1dnl === configure.ac --------------------------------------------------------=== 2dnl The LLVM Compiler Infrastructure 3dnl 4dnl This file is distributed under the University of Illinois Open Source 5dnl License. See LICENSE.TXT for details. 6dnl 7dnl===-----------------------------------------------------------------------=== 8dnl This is the LLVM configuration script. It is processed by the autoconf 9dnl program to produce a script named configure. This script contains the 10dnl configuration checks that LLVM needs in order to support multiple platforms. 11dnl This file is composed of 10 sections per the recommended organization of 12dnl autoconf input defined in the autoconf documentation. As this file evolves, 13dnl please keep the various types of checks within their sections. The sections 14dnl are as follows: 15dnl 16dnl SECTION 1: Initialization & Setup 17dnl SECTION 2: Architecture, target, and host checks 18dnl SECTION 3: Command line arguments for the configure script. 19dnl SECTION 4: Check for programs we need and that they are the right version 20dnl SECTION 5: Check for libraries 21dnl SECTION 6: Check for header files 22dnl SECTION 7: Check for types and structures 23dnl SECTION 8: Check for specific functions needed 24dnl SECTION 9: Additional checks, variables, etc. 25dnl SECTION 10: Specify the output files and generate it 26dnl 27dnl===-----------------------------------------------------------------------=== 28dnl=== 29dnl=== SECTION 1: Initialization & Setup 30dnl=== 31dnl===-----------------------------------------------------------------------=== 32dnl Initialize autoconf and define the package name, version number and 33dnl address for reporting bugs. 34AC_INIT([LLVM],[3.4svn],[http://llvm.org/bugs/]) 35AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API]) 36AC_DEFINE([LLVM_VERSION_MINOR], [4], [Minor version of the LLVM API]) 37 38dnl Provide a copyright substitution and ensure the copyright notice is included 39dnl in the output of --version option of the generated configure script. 40AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2013 University of Illinois at Urbana-Champaign."]) 41AC_COPYRIGHT([Copyright (c) 2003-2013 University of Illinois at Urbana-Champaign.]) 42 43dnl Indicate that we require autoconf 2.60 or later. 44AC_PREREQ(2.60) 45 46dnl Verify that the source directory is valid. This makes sure that we are 47dnl configuring LLVM and not some other package (it validates --srcdir argument) 48AC_CONFIG_SRCDIR([lib/IR/Module.cpp]) 49 50dnl Place all of the extra autoconf files into the config subdirectory. Tell 51dnl various tools where the m4 autoconf macros are. 52AC_CONFIG_AUX_DIR([autoconf]) 53 54dnl Quit if the source directory has already been configured. 55dnl NOTE: This relies upon undocumented autoconf behavior. 56if test ${srcdir} != "." ; then 57 if test -f ${srcdir}/include/llvm/Config/config.h ; then 58 AC_MSG_ERROR([Already configured in ${srcdir}]) 59 fi 60fi 61 62dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS, 63dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc). 64${CFLAGS=} 65${CXXFLAGS=} 66 67dnl We need to check for the compiler up here to avoid anything else 68dnl starting with a different one. 69AC_PROG_CC(clang llvm-gcc gcc) 70AC_PROG_CXX(clang++ llvm-g++ g++) 71AC_PROG_CPP 72 73dnl If CXX is Clang, check that it can find and parse C++ standard library 74dnl headers. 75if test "$CXX" = "clang++" ; then 76 AC_MSG_CHECKING([whether clang works]) 77 AC_LANG_PUSH([C++]) 78 dnl Note that space between 'include' and '(' is required. There's a broken 79 dnl regex in aclocal that otherwise will think that we call m4's include 80 dnl builtin. 81 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <limits> 82#if __has_include (<cxxabi.h>) 83#include <cxxabi.h> 84#endif 85#if __has_include (<unwind.h>) 86#include <unwind.h> 87#endif 88]])], 89[ 90 AC_MSG_RESULT([yes]) 91], 92[ 93 AC_MSG_RESULT([no]) 94 AC_MSG_ERROR([Selected compiler could not find or parse C++ standard library headers. Rerun with CC=c-compiler CXX=c++-compiler ./configure ...]) 95]) 96 AC_LANG_POP([C++]) 97fi 98 99dnl Configure all of the projects present in our source tree. While we could 100dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a 101dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated. 102dnl Instead we match on the known projects. 103 104dnl 105dnl One tricky part of doing this is that some projects depend upon other 106dnl projects. For example, several projects rely upon the LLVM test suite. 107dnl We want to configure those projects first so that their object trees are 108dnl created before running the configure scripts of projects that depend upon 109dnl them. 110dnl 111 112dnl Several projects use llvm-gcc, so configure that first 113if test -d ${srcdir}/projects/llvm-gcc ; then 114 AC_CONFIG_SUBDIRS([projects/llvm-gcc]) 115fi 116 117dnl Several projects use the LLVM test suite, so configure it next. 118if test -d ${srcdir}/projects/test-suite ; then 119 AC_CONFIG_SUBDIRS([projects/test-suite]) 120fi 121 122dnl llvm-test is the old name of the test-suite, kept here for backwards 123dnl compatibility 124if test -d ${srcdir}/projects/llvm-test ; then 125 AC_CONFIG_SUBDIRS([projects/llvm-test]) 126fi 127 128dnl Some projects use poolalloc; configure that next 129if test -d ${srcdir}/projects/poolalloc ; then 130 AC_CONFIG_SUBDIRS([projects/poolalloc]) 131fi 132 133if test -d ${srcdir}/projects/llvm-poolalloc ; then 134 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) 135fi 136 137dnl Check for all other projects 138for i in `ls ${srcdir}/projects` 139do 140 if test -d ${srcdir}/projects/${i} ; then 141 case ${i} in 142 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;; 143 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;; 144 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;; 145 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);; 146 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;; 147 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;; 148 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;; 149 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;; 150 compiler-rt) ;; 151 llvm-gcc) ;; 152 test-suite) ;; 153 llvm-test) ;; 154 poolalloc) ;; 155 llvm-poolalloc) ;; 156 *) 157 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically]) 158 ;; 159 esac 160 fi 161done 162 163dnl Disable the build of polly, even if it is checked out into tools/polly. 164AC_ARG_ENABLE(polly, 165 AS_HELP_STRING([--enable-polly], 166 [Use polly if available (default is YES)]),, 167 enableval=default) 168case "$enableval" in 169 yes) AC_SUBST(ENABLE_POLLY,[1]) ;; 170 no) AC_SUBST(ENABLE_POLLY,[0]) ;; 171 default) AC_SUBST(ENABLE_POLLY,[1]) ;; 172 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;; 173esac 174 175 176dnl Check if polly is checked out into tools/polly and configure it if 177dnl available. 178if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then 179 AC_SUBST(LLVM_HAS_POLLY,1) 180 AC_CONFIG_SUBDIRS([tools/polly]) 181fi 182 183dnl===-----------------------------------------------------------------------=== 184dnl=== 185dnl=== SECTION 2: Architecture, target, and host checks 186dnl=== 187dnl===-----------------------------------------------------------------------=== 188 189dnl Check the target for which we're compiling and the host that will do the 190dnl compilations. This will tell us which LLVM compiler will be used for 191dnl compiling SSA into object code. This needs to be done early because 192dnl following tests depend on it. 193AC_CANONICAL_TARGET 194 195dnl Determine the platform type and cache its value. This helps us configure 196dnl the System library to the correct build platform. 197AC_CACHE_CHECK([type of operating system we're going to host on], 198 [llvm_cv_os_type], 199[case $host in 200 *-*-aix*) 201 llvm_cv_link_all_option="-Wl,--whole-archive" 202 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 203 llvm_cv_os_type="AIX" 204 llvm_cv_platform_type="Unix" ;; 205 *-*-irix*) 206 llvm_cv_link_all_option="-Wl,--whole-archive" 207 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 208 llvm_cv_os_type="IRIX" 209 llvm_cv_platform_type="Unix" ;; 210 *-*-cygwin*) 211 llvm_cv_link_all_option="-Wl,--whole-archive" 212 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 213 llvm_cv_os_type="Cygwin" 214 llvm_cv_platform_type="Unix" ;; 215 *-*-darwin*) 216 llvm_cv_link_all_option="-Wl,-all_load" 217 llvm_cv_no_link_all_option="-Wl,-noall_load" 218 llvm_cv_os_type="Darwin" 219 llvm_cv_platform_type="Unix" ;; 220 *-*-minix*) 221 llvm_cv_link_all_option="-Wl,-all_load" 222 llvm_cv_no_link_all_option="-Wl,-noall_load" 223 llvm_cv_os_type="Minix" 224 llvm_cv_platform_type="Unix" ;; 225 *-*-freebsd*) 226 llvm_cv_link_all_option="-Wl,--whole-archive" 227 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 228 llvm_cv_os_type="FreeBSD" 229 llvm_cv_platform_type="Unix" ;; 230 *-*-kfreebsd-gnu) 231 llvm_cv_link_all_option="-Wl,--whole-archive" 232 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 233 llvm_cv_os_type="GNU/kFreeBSD" 234 llvm_cv_platform_type="Unix" ;; 235 *-*-openbsd*) 236 llvm_cv_link_all_option="-Wl,--whole-archive" 237 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 238 llvm_cv_os_type="OpenBSD" 239 llvm_cv_platform_type="Unix" ;; 240 *-*-netbsd*) 241 llvm_cv_link_all_option="-Wl,--whole-archive" 242 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 243 llvm_cv_os_type="NetBSD" 244 llvm_cv_platform_type="Unix" ;; 245 *-*-dragonfly*) 246 llvm_cv_link_all_option="-Wl,--whole-archive" 247 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 248 llvm_cv_os_type="DragonFly" 249 llvm_cv_platform_type="Unix" ;; 250 *-*-hpux*) 251 llvm_cv_link_all_option="-Wl,--whole-archive" 252 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 253 llvm_cv_os_type="HP-UX" 254 llvm_cv_platform_type="Unix" ;; 255 *-*-interix*) 256 llvm_cv_link_all_option="-Wl,--whole-archive" 257 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 258 llvm_cv_os_type="Interix" 259 llvm_cv_platform_type="Unix" ;; 260 *-*-linux*) 261 llvm_cv_link_all_option="-Wl,--whole-archive" 262 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 263 llvm_cv_os_type="Linux" 264 llvm_cv_platform_type="Unix" ;; 265 *-*-gnu*) 266 llvm_cv_link_all_option="-Wl,--whole-archive" 267 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 268 llvm_cv_os_type="GNU" 269 llvm_cv_platform_type="Unix" ;; 270 *-*-solaris*) 271 llvm_cv_link_all_option="-Wl,-z,allextract" 272 llvm_cv_no_link_all_option="-Wl,-z,defaultextract" 273 llvm_cv_os_type="SunOS" 274 llvm_cv_platform_type="Unix" ;; 275 *-*-auroraux*) 276 llvm_cv_link_all_option="-Wl,-z,allextract" 277 llvm_cv_link_all_option="-Wl,-z,defaultextract" 278 llvm_cv_os_type="AuroraUX" 279 llvm_cv_platform_type="Unix" ;; 280 *-*-win32*) 281 llvm_cv_link_all_option="-Wl,--whole-archive" 282 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 283 llvm_cv_os_type="Win32" 284 llvm_cv_platform_type="Win32" ;; 285 *-*-mingw*) 286 llvm_cv_link_all_option="-Wl,--whole-archive" 287 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 288 llvm_cv_os_type="MingW" 289 llvm_cv_platform_type="Win32" ;; 290 *-*-haiku*) 291 llvm_cv_link_all_option="-Wl,--whole-archive" 292 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 293 llvm_cv_os_type="Haiku" 294 llvm_cv_platform_type="Unix" ;; 295 *-unknown-eabi*) 296 llvm_cv_link_all_option="-Wl,--whole-archive" 297 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 298 llvm_cv_os_type="Freestanding" 299 llvm_cv_platform_type="Unix" ;; 300 *-unknown-elf*) 301 llvm_cv_link_all_option="-Wl,--whole-archive" 302 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 303 llvm_cv_os_type="Freestanding" 304 llvm_cv_platform_type="Unix" ;; 305 *) 306 llvm_cv_link_all_option="" 307 llvm_cv_no_link_all_option="" 308 llvm_cv_os_type="Unknown" 309 llvm_cv_platform_type="Unknown" ;; 310esac]) 311 312AC_CACHE_CHECK([type of operating system we're going to target], 313 [llvm_cv_target_os_type], 314[case $target in 315 *-*-aix*) 316 llvm_cv_target_os_type="AIX" ;; 317 *-*-irix*) 318 llvm_cv_target_os_type="IRIX" ;; 319 *-*-cygwin*) 320 llvm_cv_target_os_type="Cygwin" ;; 321 *-*-darwin*) 322 llvm_cv_target_os_type="Darwin" ;; 323 *-*-minix*) 324 llvm_cv_target_os_type="Minix" ;; 325 *-*-freebsd*) 326 llvm_cv_target_os_type="FreeBSD" ;; 327 *-*-kfreebsd-gnu) 328 llvm_cv_target_os_type="GNU/kFreeBSD" ;; 329 *-*-openbsd*) 330 llvm_cv_target_os_type="OpenBSD" ;; 331 *-*-netbsd*) 332 llvm_cv_target_os_type="NetBSD" ;; 333 *-*-dragonfly*) 334 llvm_cv_target_os_type="DragonFly" ;; 335 *-*-hpux*) 336 llvm_cv_target_os_type="HP-UX" ;; 337 *-*-interix*) 338 llvm_cv_target_os_type="Interix" ;; 339 *-*-linux*) 340 llvm_cv_target_os_type="Linux" ;; 341 *-*-gnu*) 342 llvm_cv_target_os_type="GNU" ;; 343 *-*-solaris*) 344 llvm_cv_target_os_type="SunOS" ;; 345 *-*-auroraux*) 346 llvm_cv_target_os_type="AuroraUX" ;; 347 *-*-win32*) 348 llvm_cv_target_os_type="Win32" ;; 349 *-*-mingw*) 350 llvm_cv_target_os_type="MingW" ;; 351 *-*-haiku*) 352 llvm_cv_target_os_type="Haiku" ;; 353 *-*-rtems*) 354 llvm_cv_target_os_type="RTEMS" ;; 355 *-*-nacl*) 356 llvm_cv_target_os_type="NativeClient" ;; 357 *-unknown-eabi*) 358 llvm_cv_target_os_type="Freestanding" ;; 359 *) 360 llvm_cv_target_os_type="Unknown" ;; 361esac]) 362 363dnl Make sure we aren't attempting to configure for an unknown system 364if test "$llvm_cv_os_type" = "Unknown" ; then 365 AC_MSG_ERROR([Operating system is unknown, configure can't continue]) 366fi 367 368dnl Set the "OS" Makefile variable based on the platform type so the 369dnl makefile can configure itself to specific build hosts 370AC_SUBST(OS,$llvm_cv_os_type) 371AC_SUBST(HOST_OS,$llvm_cv_os_type) 372AC_SUBST(TARGET_OS,$llvm_cv_target_os_type) 373 374dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform 375AC_SUBST(LINKALL,$llvm_cv_link_all_option) 376AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option) 377 378dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type 379dnl This is used by lib/Support to determine the basic kind of implementation 380dnl to use. 381case $llvm_cv_platform_type in 382 Unix) 383 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform]) 384 AC_SUBST(LLVM_ON_UNIX,[1]) 385 AC_SUBST(LLVM_ON_WIN32,[0]) 386 ;; 387 Win32) 388 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform]) 389 AC_SUBST(LLVM_ON_UNIX,[0]) 390 AC_SUBST(LLVM_ON_WIN32,[1]) 391 ;; 392esac 393 394dnl Determine what our target architecture is and configure accordingly. 395dnl This will allow Makefiles to make a distinction between the hardware and 396dnl the OS. 397AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch], 398[case $target in 399 i?86-*) llvm_cv_target_arch="x86" ;; 400 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;; 401 sparc*-*) llvm_cv_target_arch="Sparc" ;; 402 powerpc*-*) llvm_cv_target_arch="PowerPC" ;; 403 arm*-*) llvm_cv_target_arch="ARM" ;; 404 aarch64*-*) llvm_cv_target_arch="AArch64" ;; 405 mips-* | mips64-*) llvm_cv_target_arch="Mips" ;; 406 mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;; 407 xcore-*) llvm_cv_target_arch="XCore" ;; 408 msp430-*) llvm_cv_target_arch="MSP430" ;; 409 hexagon-*) llvm_cv_target_arch="Hexagon" ;; 410 nvptx-*) llvm_cv_target_arch="NVPTX" ;; 411 s390x-*) llvm_cv_target_arch="SystemZ" ;; 412 *) llvm_cv_target_arch="Unknown" ;; 413esac]) 414 415if test "$llvm_cv_target_arch" = "Unknown" ; then 416 AC_MSG_WARN([Configuring LLVM for an unknown target archicture]) 417fi 418 419dnl Determine the LLVM native architecture for the target 420case "$llvm_cv_target_arch" in 421 x86) LLVM_NATIVE_ARCH="X86" ;; 422 x86_64) LLVM_NATIVE_ARCH="X86" ;; 423 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;; 424esac 425 426dnl Define a substitution, ARCH, for the target architecture 427AC_SUBST(ARCH,$llvm_cv_target_arch) 428 429dnl Determine what our host architecture. 430dnl This will allow MCJIT regress tests runs only for supported 431dnl platforms. 432case $host in 433 i?86-*) host_arch="x86" ;; 434 amd64-* | x86_64-*) host_arch="x86_64" ;; 435 sparc*-*) host_arch="Sparc" ;; 436 powerpc*-*) host_arch="PowerPC" ;; 437 arm*-*) host_arch="ARM" ;; 438 aarch64*-*) host_arch="AArch64" ;; 439 mips-* | mips64-*) host_arch="Mips" ;; 440 mipsel-* | mips64el-*) host_arch="Mips" ;; 441 xcore-*) host_arch="XCore" ;; 442 msp430-*) host_arch="MSP430" ;; 443 hexagon-*) host_arch="Hexagon" ;; 444 s390x-*) host_arch="SystemZ" ;; 445 *) host_arch="Unknown" ;; 446esac 447 448if test "$host_arch" = "Unknown" ; then 449 AC_MSG_WARN([Configuring LLVM for an unknown host archicture]) 450fi 451 452AC_SUBST(HOST_ARCH,$host_arch) 453 454dnl Check for the endianness of the target 455AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little])) 456 457dnl Check for build platform executable suffix if we're cross-compiling 458if test "$cross_compiling" = yes; then 459 AC_SUBST(LLVM_CROSS_COMPILING, [1]) 460 AC_BUILD_EXEEXT 461 ac_build_prefix=${build_alias}- 462 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++) 463 if test -z "$BUILD_CXX"; then 464 AC_CHECK_PROG(BUILD_CXX, g++, g++) 465 if test -z "$BUILD_CXX"; then 466 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++) 467 fi 468 fi 469else 470 AC_SUBST(LLVM_CROSS_COMPILING, [0]) 471fi 472 473dnl Check to see if there's a .svn or .git directory indicating that this 474dnl build is being done from a checkout. This sets up several defaults for 475dnl the command line switches. When we build with a checkout directory, 476dnl we get a debug with assertions turned on. Without, we assume a source 477dnl release and we get an optimized build without assertions. 478dnl See --enable-optimized and --enable-assertions below 479if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then 480 cvsbuild="yes" 481 optimize="no" 482 AC_SUBST(CVSBUILD,[[CVSBUILD=1]]) 483else 484 cvsbuild="no" 485 optimize="yes" 486fi 487 488dnl===-----------------------------------------------------------------------=== 489dnl=== 490dnl=== SECTION 3: Command line arguments for the configure script. 491dnl=== 492dnl===-----------------------------------------------------------------------=== 493 494dnl --enable-libcpp : check whether or not to use libc++ on the command line 495AC_ARG_ENABLE(libcpp, 496 AS_HELP_STRING([--enable-libcpp], 497 [Use libc++ if available (default is NO)]),, 498 enableval=default) 499case "$enableval" in 500 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;; 501 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;; 502 default) AC_SUBST(ENABLE_LIBCPP,[0]);; 503 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;; 504esac 505 506dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line 507AC_ARG_ENABLE(cxx11, 508 AS_HELP_STRING([--enable-cxx11], 509 [Use c++11 if available (default is NO)]),, 510 enableval=default) 511case "$enableval" in 512 yes) AC_SUBST(ENABLE_CXX11,[1]) ;; 513 no) AC_SUBST(ENABLE_CXX11,[0]) ;; 514 default) AC_SUBST(ENABLE_CXX11,[0]);; 515 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;; 516esac 517 518dnl --enable-fission : check whether or not to use -gsplit-dwarf on the command 519dnl line 520AC_ARG_ENABLE(split-dwarf, 521 AS_HELP_STRING([--enable-split-dwarf], 522 [Use split-dwarf if available (default is NO)]),, 523 enableval=default) 524case "$enableval" in 525 yes) AC_SUBST(ENABLE_SPLIT_DWARF,[1]) ;; 526 no) AC_SUBST(ENABLE_SPLIT_DWARF,[0]) ;; 527 default) AC_SUBST(ENABLE_SPLIT_DWARF,[0]);; 528 *) AC_MSG_ERROR([Invalid setting for --enable-split-dwarf. Use "yes" or "no"]) ;; 529esac 530 531dnl --enable-clang-arcmt: check whether to enable clang arcmt 532clang_arcmt="yes" 533AC_ARG_ENABLE(clang-arcmt, 534 AS_HELP_STRING([--enable-clang-arcmt], 535 [Enable building of clang ARCMT (default is YES)]), 536 clang_arcmt="$enableval", 537 enableval="yes") 538case "$enableval" in 539 yes) AC_SUBST(ENABLE_CLANG_ARCMT,[1]) ;; 540 no) AC_SUBST(ENABLE_CLANG_ARCMT,[0]) ;; 541 default) AC_SUBST(ENABLE_CLANG_ARCMT,[1]);; 542 *) AC_MSG_ERROR([Invalid setting for --enable-clang-arcmt. Use "yes" or "no"]) ;; 543esac 544 545dnl --enable-clang-static-analyzer: check whether to enable static-analyzer 546clang_static_analyzer="yes" 547AC_ARG_ENABLE(clang-static-analyzer, 548 AS_HELP_STRING([--enable-clang-static-analyzer], 549 [Enable building of clang Static Analyzer (default is YES)]), 550 clang_static_analyzer="$enableval", 551 enableval="yes") 552case "$enableval" in 553 yes) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]) ;; 554 no) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[0]) ;; 555 default) AC_SUBST(ENABLE_CLANG_STATIC_ANALYZER,[1]);; 556 *) AC_MSG_ERROR([Invalid setting for --enable-clang-static-analyzer. Use "yes" or "no"]) ;; 557esac 558 559dnl --enable-clang-rewriter: check whether to enable clang rewriter 560AC_ARG_ENABLE(clang-rewriter, 561 AS_HELP_STRING([--enable-clang-rewriter], 562 [Enable building of clang rewriter (default is YES)]),, 563 enableval="yes") 564case "$enableval" in 565 yes) AC_SUBST(ENABLE_CLANG_REWRITER,[1]) ;; 566 no) 567 if test ${clang_arcmt} != "no" ; then 568 AC_MSG_ERROR([Cannot enable clang ARC Migration Tool while disabling rewriter.]) 569 fi 570 if test ${clang_static_analyzer} != "no" ; then 571 AC_MSG_ERROR([Cannot enable clang static analyzer while disabling rewriter.]) 572 fi 573 AC_SUBST(ENABLE_CLANG_REWRITER,[0]) 574 ;; 575 default) AC_SUBST(ENABLE_CLANG_REWRITER,[1]);; 576 *) AC_MSG_ERROR([Invalid setting for --enable-clang-rewriter. Use "yes" or "no"]) ;; 577esac 578 579dnl --enable-optimized : check whether they want to do an optimized build: 580AC_ARG_ENABLE(optimized, AS_HELP_STRING( 581 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize) 582if test ${enableval} = "no" ; then 583 AC_SUBST(ENABLE_OPTIMIZED,[[]]) 584else 585 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]]) 586fi 587 588dnl --enable-profiling : check whether they want to do a profile build: 589AC_ARG_ENABLE(profiling, AS_HELP_STRING( 590 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no") 591if test ${enableval} = "no" ; then 592 AC_SUBST(ENABLE_PROFILING,[[]]) 593else 594 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]]) 595fi 596 597dnl --enable-assertions : check whether they want to turn on assertions or not: 598AC_ARG_ENABLE(assertions,AS_HELP_STRING( 599 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes") 600if test ${enableval} = "yes" ; then 601 AC_SUBST(DISABLE_ASSERTIONS,[[]]) 602else 603 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]]) 604fi 605 606dnl --enable-werror : check whether we want Werror on by default 607AC_ARG_ENABLE(werror,AS_HELP_STRING( 608 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no") 609case "$enableval" in 610 yes) AC_SUBST(ENABLE_WERROR,[1]) ;; 611 no) AC_SUBST(ENABLE_WERROR,[0]) ;; 612 default) AC_SUBST(ENABLE_WERROR,[0]);; 613 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;; 614esac 615 616dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks: 617AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING( 618 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no") 619if test ${enableval} = "yes" ; then 620 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]]) 621 AC_SUBST(EXPENSIVE_CHECKS,[[yes]]) 622else 623 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]]) 624 AC_SUBST(EXPENSIVE_CHECKS,[[no]]) 625fi 626 627dnl --enable-debug-runtime : should runtime libraries have debug symbols? 628AC_ARG_ENABLE(debug-runtime, 629 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no) 630if test ${enableval} = "no" ; then 631 AC_SUBST(DEBUG_RUNTIME,[[]]) 632else 633 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]]) 634fi 635 636dnl --enable-debug-symbols : should even optimized compiler libraries 637dnl have debug symbols? 638AC_ARG_ENABLE(debug-symbols, 639 AS_HELP_STRING(--enable-debug-symbols,[Build compiler with debug symbols (default is NO if optimization is on and YES if it's off)]),,enableval=no) 640if test ${enableval} = "no" ; then 641 AC_SUBST(DEBUG_SYMBOLS,[[]]) 642else 643 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]]) 644fi 645 646dnl --enable-keep-symbols : do not strip installed executables 647AC_ARG_ENABLE(keep-symbols, 648 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no) 649if test ${enableval} = "no" ; then 650 AC_SUBST(KEEP_SYMBOLS,[[]]) 651else 652 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]]) 653fi 654 655dnl --enable-jit: check whether they want to enable the jit 656AC_ARG_ENABLE(jit, 657 AS_HELP_STRING(--enable-jit, 658 [Enable Just In Time Compiling (default is YES)]),, 659 enableval=default) 660if test ${enableval} = "no" 661then 662 AC_SUBST(JIT,[[]]) 663else 664 case "$llvm_cv_target_arch" in 665 x86) AC_SUBST(TARGET_HAS_JIT,1) ;; 666 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;; 667 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;; 668 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;; 669 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;; 670 AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;; 671 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;; 672 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;; 673 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;; 674 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;; 675 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;; 676 SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;; 677 *) AC_SUBST(TARGET_HAS_JIT,0) ;; 678 esac 679fi 680 681dnl Allow enablement of building and installing docs 682AC_ARG_ENABLE(docs, 683 AS_HELP_STRING([--enable-docs], 684 [Build documents (default is YES)]),, 685 enableval=default) 686case "$enableval" in 687 yes) AC_SUBST(ENABLE_DOCS,[1]) ;; 688 no) AC_SUBST(ENABLE_DOCS,[0]) ;; 689 default) AC_SUBST(ENABLE_DOCS,[1]) ;; 690 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;; 691esac 692 693dnl Allow enablement of doxygen generated documentation 694AC_ARG_ENABLE(doxygen, 695 AS_HELP_STRING([--enable-doxygen], 696 [Build doxygen documentation (default is NO)]),, 697 enableval=default) 698case "$enableval" in 699 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;; 700 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 701 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 702 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;; 703esac 704 705dnl Allow disablement of threads 706AC_ARG_ENABLE(threads, 707 AS_HELP_STRING([--enable-threads], 708 [Use threads if available (default is YES)]),, 709 enableval=default) 710case "$enableval" in 711 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; 712 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;; 713 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; 714 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;; 715esac 716AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS, 717 [Define if threads enabled]) 718 719dnl Allow disablement of pthread.h 720AC_ARG_ENABLE(pthreads, 721 AS_HELP_STRING([--enable-pthreads], 722 [Use pthreads if available (default is YES)]),, 723 enableval=default) 724case "$enableval" in 725 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 726 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;; 727 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 728 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;; 729esac 730 731dnl Allow disablement of zlib 732AC_ARG_ENABLE(zlib, 733 AS_HELP_STRING([--enable-zlib], 734 [Use zlib for compression/decompression if 735 available (default is YES)]),, 736 enableval=default) 737case "$enableval" in 738 yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;; 739 no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;; 740 default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;; 741 *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;; 742esac 743AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB, 744 [Define if zlib is enabled]) 745 746dnl Allow building without position independent code 747AC_ARG_ENABLE(pic, 748 AS_HELP_STRING([--enable-pic], 749 [Build LLVM with Position Independent Code (default is YES)]),, 750 enableval=default) 751case "$enableval" in 752 yes) AC_SUBST(ENABLE_PIC,[1]) ;; 753 no) AC_SUBST(ENABLE_PIC,[0]) ;; 754 default) AC_SUBST(ENABLE_PIC,[1]) ;; 755 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;; 756esac 757AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC, 758 [Define if position independent code is enabled]) 759 760dnl Allow building a shared library and linking tools against it. 761AC_ARG_ENABLE(shared, 762 AS_HELP_STRING([--enable-shared], 763 [Build a shared library and link tools against it (default is NO)]),, 764 enableval=default) 765case "$enableval" in 766 yes) AC_SUBST(ENABLE_SHARED,[1]) ;; 767 no) AC_SUBST(ENABLE_SHARED,[0]) ;; 768 default) AC_SUBST(ENABLE_SHARED,[0]) ;; 769 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;; 770esac 771 772dnl Allow libstdc++ is embedded in LLVM.dll. 773AC_ARG_ENABLE(embed-stdcxx, 774 AS_HELP_STRING([--enable-embed-stdcxx], 775 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),, 776 enableval=default) 777case "$enableval" in 778 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;; 779 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 780 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 781 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;; 782esac 783 784dnl Enable embedding timestamp information into build. 785AC_ARG_ENABLE(timestamps, 786 AS_HELP_STRING([--enable-timestamps], 787 [Enable embedding timestamp information in build (default is YES)]),, 788 enableval=default) 789case "$enableval" in 790 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 791 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;; 792 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 793 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;; 794esac 795AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS, 796 [Define if timestamp information (e.g., __DATE__) is allowed]) 797 798dnl Enable embedding timestamp information into build. 799 800AC_ARG_ENABLE(backtraces, 801 AS_HELP_STRING([--enable-backtraces], 802 [Enable embedding backtraces on crash (default is YES)]),, 803 enableval=default) 804case "$enableval" in 805 yes) AC_SUBST(ENABLE_BACKTRACES,[1]) ;; 806 no) AC_SUBST(ENABLE_BACKTRACES,[0]) ;; 807 default) AC_SUBST(ENABLE_BACKTRACES,[1]) ;; 808 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;; 809esac 810AC_DEFINE_UNQUOTED([ENABLE_BACKTRACES],$ENABLE_BACKTRACES, 811 [Define if you want backtraces on crash]) 812 813dnl Allow specific targets to be specified for building (or not) 814TARGETS_TO_BUILD="" 815AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets], 816 [Build specific host targets: all or target1,target2,... Valid targets are: 817 host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon, 818 xcore, msp430, nvptx, systemz, r600, and cpp (default=all)]),, 819 enableval=all) 820if test "$enableval" = host-only ; then 821 enableval=host 822fi 823case "$enableval" in 824 all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend NVPTX Hexagon SystemZ R600" ;; 825 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do 826 case "$a_target" in 827 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 828 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 829 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 830 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 831 aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;; 832 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 833 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 834 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 835 mips64) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 836 mips64el) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 837 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 838 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 839 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;; 840 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; 841 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;; 842 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;; 843 r600) TARGETS_TO_BUILD="R600 $TARGETS_TO_BUILD" ;; 844 host) case "$llvm_cv_target_arch" in 845 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 846 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 847 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 848 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 849 AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;; 850 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 851 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 852 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 853 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 854 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; 855 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;; 856 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;; 857 *) AC_MSG_ERROR([Can not set target to build]) ;; 858 esac ;; 859 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;; 860 esac 861 done 862 ;; 863esac 864 865AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets], 866 [Build experimental host targets: disable or target1,target2,... 867 (default=disable)]),, 868 enableval=disable) 869 870if test ${enableval} != "disable" 871then 872 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD" 873fi 874 875AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD) 876 877dnl Determine whether we are building LLVM support for the native architecture. 878dnl If so, define LLVM_NATIVE_ARCH to that LLVM target. 879for a_target in $TARGETS_TO_BUILD; do 880 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then 881 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH, 882 [LLVM architecture name for the native architecture, if available]) 883 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target" 884 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo" 885 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC" 886 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter" 887 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 888 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser" 889 fi 890 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then 891 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler" 892 fi 893 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET, 894 [LLVM name for the native Target init function, if available]) 895 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO, 896 [LLVM name for the native TargetInfo init function, if available]) 897 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC, 898 [LLVM name for the native target MC init function, if available]) 899 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER, 900 [LLVM name for the native AsmPrinter init function, if available]) 901 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 902 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER, 903 [LLVM name for the native AsmParser init function, if available]) 904 fi 905 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then 906 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER, 907 [LLVM name for the native Disassembler init function, if available]) 908 fi 909 fi 910done 911 912dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual 913dnl target feature def files. 914LLVM_ENUM_TARGETS="" 915LLVM_ENUM_ASM_PRINTERS="" 916LLVM_ENUM_ASM_PARSERS="" 917LLVM_ENUM_DISASSEMBLERS="" 918for target_to_build in $TARGETS_TO_BUILD; do 919 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS" 920 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then 921 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS"; 922 fi 923 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then 924 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS"; 925 fi 926 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then 927 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS"; 928 fi 929done 930AC_SUBST(LLVM_ENUM_TARGETS) 931AC_SUBST(LLVM_ENUM_ASM_PRINTERS) 932AC_SUBST(LLVM_ENUM_ASM_PARSERS) 933AC_SUBST(LLVM_ENUM_DISASSEMBLERS) 934 935dnl Override the option to use for optimized builds. 936AC_ARG_WITH(optimize-option, 937 AS_HELP_STRING([--with-optimize-option], 938 [Select the compiler options to use for optimized builds]),, 939 withval=default) 940AC_MSG_CHECKING([optimization flags]) 941case "$withval" in 942 default) 943 case "$llvm_cv_os_type" in 944 FreeBSD) optimize_option=-O2 ;; 945 MingW) optimize_option=-O2 ;; 946 *) optimize_option=-O3 ;; 947 esac ;; 948 *) optimize_option="$withval" ;; 949esac 950AC_SUBST(OPTIMIZE_OPTION,$optimize_option) 951AC_MSG_RESULT([$optimize_option]) 952 953dnl Specify extra build options 954AC_ARG_WITH(extra-options, 955 AS_HELP_STRING([--with-extra-options], 956 [Specify additional options to compile LLVM with]),, 957 withval=default) 958case "$withval" in 959 default) EXTRA_OPTIONS= ;; 960 *) EXTRA_OPTIONS=$withval ;; 961esac 962AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS) 963 964dnl Specify extra linker build options 965AC_ARG_WITH(extra-ld-options, 966 AS_HELP_STRING([--with-extra-ld-options], 967 [Specify additional options to link LLVM with]),, 968 withval=default) 969case "$withval" in 970 default) EXTRA_LD_OPTIONS= ;; 971 *) EXTRA_LD_OPTIONS=$withval ;; 972esac 973AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS) 974 975dnl Allow specific bindings to be specified for building (or not) 976AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings], 977 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),, 978 enableval=default) 979BINDINGS_TO_BUILD="" 980case "$enableval" in 981 yes | default | auto) BINDINGS_TO_BUILD="auto" ;; 982 all ) BINDINGS_TO_BUILD="ocaml" ;; 983 none | no) BINDINGS_TO_BUILD="" ;; 984 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do 985 case "$a_binding" in 986 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;; 987 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;; 988 esac 989 done 990 ;; 991esac 992 993dnl Allow the ocaml libdir to be overridden. This could go in a configure 994dnl script for bindings/ocaml/configure, except that its auto value depends on 995dnl OCAMLC, which is found here to support tests. 996AC_ARG_WITH([ocaml-libdir], 997 [AS_HELP_STRING([--with-ocaml-libdir], 998 [Specify install location for ocaml bindings (default is stdlib)])], 999 [], 1000 [withval=auto]) 1001case "$withval" in 1002 auto) with_ocaml_libdir="$withval" ;; 1003 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;; 1004 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;; 1005esac 1006 1007AC_ARG_WITH(clang-srcdir, 1008 AS_HELP_STRING([--with-clang-srcdir], 1009 [Directory to the out-of-tree Clang source]),, 1010 withval="-") 1011case "$withval" in 1012 -) clang_src_root="" ;; 1013 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;; 1014 *) clang_src_root="$ac_pwd/$withval" ;; 1015esac 1016AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root]) 1017 1018AC_ARG_WITH(clang-resource-dir, 1019 AS_HELP_STRING([--with-clang-resource-dir], 1020 [Relative directory from the Clang binary for resource files]),, 1021 withval="") 1022AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval", 1023 [Relative directory for resource files]) 1024 1025AC_ARG_WITH(c-include-dirs, 1026 AS_HELP_STRING([--with-c-include-dirs], 1027 [Colon separated list of directories clang will search for headers]),, 1028 withval="") 1029AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval", 1030 [Directories clang will search for headers]) 1031 1032# Clang normally uses the system c++ headers and libraries. With this option, 1033# clang will use the ones provided by a gcc installation instead. This option should 1034# be passed the same value that was used with --prefix when configuring gcc. 1035AC_ARG_WITH(gcc-toolchain, 1036 AS_HELP_STRING([--with-gcc-toolchain], 1037 [Directory where gcc is installed.]),, 1038 withval="") 1039AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval", 1040 [Directory where gcc is installed.]) 1041 1042AC_ARG_WITH(default-sysroot, 1043 AS_HELP_STRING([--with-default-sysroot], 1044 [Add --sysroot=<path> to all compiler invocations.]),, 1045 withval="") 1046AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval", 1047 [Default <path> to all compiler invocations for --sysroot=<path>.]) 1048 1049dnl Allow linking of LLVM with GPLv3 binutils code. 1050AC_ARG_WITH(binutils-include, 1051 AS_HELP_STRING([--with-binutils-include], 1052 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),, 1053 withval=default) 1054case "$withval" in 1055 default) WITH_BINUTILS_INCDIR=default ;; 1056 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;; 1057 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;; 1058esac 1059if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then 1060 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR) 1061 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then 1062 echo "$WITH_BINUTILS_INCDIR/plugin-api.h" 1063 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]); 1064 fi 1065fi 1066 1067dnl Specify the URL where bug reports should be submitted. 1068AC_ARG_WITH(bug-report-url, 1069 AS_HELP_STRING([--with-bug-report-url], 1070 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),, 1071 withval="http://llvm.org/bugs/") 1072AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval", 1073 [Bug report URL.]) 1074 1075dnl --enable-curses: check whether the user wants to control use of curses: 1076AC_ARG_ENABLE(curses,AS_HELP_STRING( 1077 [--enable-curses], 1078 [Use curses for querying terminal infomation if available (default is YES)]), 1079 [case "$enableval" in 1080 yes) llvm_cv_enable_curses="yes" ;; 1081 no) llvm_cv_enable_curses="no" ;; 1082 *) AC_MSG_ERROR([Invalid setting for --enable-curses. Use "yes" or "no"]) ;; 1083 esac], 1084 llvm_cv_enable_curses="yes") 1085 1086dnl --enable-libffi : check whether the user wants to turn off libffi: 1087AC_ARG_ENABLE(libffi,AS_HELP_STRING( 1088 --enable-libffi,[Check for the presence of libffi (default is NO)]), 1089 [case "$enableval" in 1090 yes) llvm_cv_enable_libffi="yes" ;; 1091 no) llvm_cv_enable_libffi="no" ;; 1092 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;; 1093 esac], 1094 llvm_cv_enable_libffi=no) 1095 1096AC_ARG_WITH(internal-prefix, 1097 AS_HELP_STRING([--with-internal-prefix], 1098 [Installation directory for internal files]),, 1099 withval="") 1100AC_SUBST(INTERNAL_PREFIX,[$withval]) 1101 1102dnl===-----------------------------------------------------------------------=== 1103dnl=== 1104dnl=== SECTION 4: Check for programs we need and that they are the right version 1105dnl=== 1106dnl===-----------------------------------------------------------------------=== 1107 1108AC_PROG_NM 1109AC_SUBST(NM) 1110 1111dnl Check for the tools that the makefiles require 1112AC_CHECK_GNU_MAKE 1113AC_PROG_LN_S 1114AC_PATH_PROG(CMP, [cmp], [cmp]) 1115AC_PATH_PROG(CP, [cp], [cp]) 1116AC_PATH_PROG(DATE, [date], [date]) 1117AC_PATH_PROG(FIND, [find], [find]) 1118AC_PATH_PROG(GREP, [grep], [grep]) 1119AC_PATH_PROG(MKDIR,[mkdir],[mkdir]) 1120AC_PATH_PROG(MV, [mv], [mv]) 1121AC_PROG_RANLIB 1122AC_CHECK_TOOL(AR, ar, false) 1123AC_PATH_PROG(RM, [rm], [rm]) 1124AC_PATH_PROG(SED, [sed], [sed]) 1125AC_PATH_PROG(TAR, [tar], [gtar]) 1126AC_PATH_PROG(BINPWD,[pwd], [pwd]) 1127 1128dnl Looking for misc. graph plotting software 1129AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz]) 1130if test "$GRAPHVIZ" != "echo Graphviz" ; then 1131 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available]) 1132 dnl If we're targeting for mingw we should emit windows paths, not msys 1133 if test "$llvm_cv_os_type" = "MingW" ; then 1134 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1135 fi 1136 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}", 1137 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise]) 1138fi 1139AC_PATH_PROG(DOT, [dot], [echo dot]) 1140if test "$DOT" != "echo dot" ; then 1141 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available]) 1142 dnl If we're targeting for mingw we should emit windows paths, not msys 1143 if test "$llvm_cv_os_type" = "MingW" ; then 1144 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1145 fi 1146 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}", 1147 [Define to path to dot program if found or 'echo dot' otherwise]) 1148fi 1149AC_PATH_PROG(FDP, [fdp], [echo fdp]) 1150if test "$FDP" != "echo fdp" ; then 1151 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available]) 1152 dnl If we're targeting for mingw we should emit windows paths, not msys 1153 if test "$llvm_cv_os_type" = "MingW" ; then 1154 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1155 fi 1156 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}", 1157 [Define to path to fdp program if found or 'echo fdp' otherwise]) 1158fi 1159AC_PATH_PROG(NEATO, [neato], [echo neato]) 1160if test "$NEATO" != "echo neato" ; then 1161 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available]) 1162 dnl If we're targeting for mingw we should emit windows paths, not msys 1163 if test "$llvm_cv_os_type" = "MingW" ; then 1164 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1165 fi 1166 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}", 1167 [Define to path to neato program if found or 'echo neato' otherwise]) 1168fi 1169AC_PATH_PROG(TWOPI, [twopi], [echo twopi]) 1170if test "$TWOPI" != "echo twopi" ; then 1171 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available]) 1172 dnl If we're targeting for mingw we should emit windows paths, not msys 1173 if test "$llvm_cv_os_type" = "MingW" ; then 1174 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1175 fi 1176 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}", 1177 [Define to path to twopi program if found or 'echo twopi' otherwise]) 1178fi 1179AC_PATH_PROG(CIRCO, [circo], [echo circo]) 1180if test "$CIRCO" != "echo circo" ; then 1181 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available]) 1182 dnl If we're targeting for mingw we should emit windows paths, not msys 1183 if test "$llvm_cv_os_type" = "MingW" ; then 1184 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1185 fi 1186 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}", 1187 [Define to path to circo program if found or 'echo circo' otherwise]) 1188fi 1189AC_PATH_PROGS(GV, [gv gsview32], [echo gv]) 1190if test "$GV" != "echo gv" ; then 1191 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available]) 1192 dnl If we're targeting for mingw we should emit windows paths, not msys 1193 if test "$llvm_cv_os_type" = "MingW" ; then 1194 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1195 fi 1196 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}", 1197 [Define to path to gv program if found or 'echo gv' otherwise]) 1198fi 1199AC_PATH_PROG(DOTTY, [dotty], [echo dotty]) 1200if test "$DOTTY" != "echo dotty" ; then 1201 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available]) 1202 dnl If we're targeting for mingw we should emit windows paths, not msys 1203 if test "$llvm_cv_os_type" = "MingW" ; then 1204 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1205 fi 1206 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}", 1207 [Define to path to dotty program if found or 'echo dotty' otherwise]) 1208fi 1209AC_PATH_PROGS(XDOT, [xdot xdot.py], [echo xdot]) 1210if test "$XDOT" != "echo xdot" ; then 1211 AC_DEFINE([HAVE_XDOT],[1],[Define if the xdot program is available]) 1212 dnl If we're targeting for mingw we should emit windows paths, not msys 1213 if test "$llvm_cv_os_type" = "MingW" ; then 1214 XDOT=`echo $XDOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1215 fi 1216 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT],"$XDOT${EXEEXT}", 1217 [Define to path to xdot program if found or 'echo xdot' otherwise]) 1218fi 1219 1220dnl Find the install program 1221AC_PROG_INSTALL 1222dnl Prepend src dir to install path dir if it's a relative path 1223dnl This is a hack for installs that take place in something other 1224dnl than the top level. 1225case "$INSTALL" in 1226 [[\\/$]]* | ?:[[\\/]]* ) ;; 1227 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;; 1228esac 1229 1230dnl Checks for documentation and testing tools that we can do without. If these 1231dnl are not found then they are set to "true" which always succeeds but does 1232dnl nothing. This just lets the build output show that we could have done 1233dnl something if the tool was available. 1234AC_PATH_PROG(BZIP2, [bzip2]) 1235AC_PATH_PROG(CAT, [cat]) 1236AC_PATH_PROG(DOXYGEN, [doxygen]) 1237AC_PATH_PROG(GROFF, [groff]) 1238AC_PATH_PROG(GZIPBIN, [gzip]) 1239AC_PATH_PROG(PDFROFF, [pdfroff]) 1240AC_PATH_PROG(ZIP, [zip]) 1241AC_PATH_PROGS(OCAMLC, [ocamlc]) 1242AC_PATH_PROGS(OCAMLOPT, [ocamlopt]) 1243AC_PATH_PROGS(OCAMLDEP, [ocamldep]) 1244AC_PATH_PROGS(OCAMLDOC, [ocamldoc]) 1245AC_PATH_PROGS(GAS, [gas as]) 1246 1247dnl Get the version of the linker in use. 1248AC_LINK_GET_VERSION 1249 1250dnl Determine whether the linker supports the -R option. 1251AC_LINK_USE_R 1252 1253dnl Determine whether the compiler supports the -rdynamic option. 1254AC_LINK_EXPORT_DYNAMIC 1255 1256dnl Determine whether the linker supports the --version-script option. 1257AC_LINK_VERSION_SCRIPT 1258 1259dnl Check for libtool and the library that has dlopen function (which must come 1260dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with 1261dnl libtool). 1262AC_LIBTOOL_DLOPEN 1263AC_LIB_LTDL 1264 1265AC_MSG_CHECKING([tool compatibility]) 1266 1267dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as 1268dnl ICC; we use GCC specific options in the makefiles so the compiler needs 1269dnl to support those options. 1270dnl "icc" emits gcc signatures 1271dnl "icc -no-gcc" emits no gcc signature BUT is still compatible 1272ICC=no 1273IXX=no 1274case $CC in 1275 icc*|icpc*) 1276 ICC=yes 1277 IXX=yes 1278 ;; 1279 *) 1280 ;; 1281esac 1282 1283if test "$GCC" != "yes" && test "$ICC" != "yes" 1284then 1285 AC_MSG_ERROR([gcc|icc required but not found]) 1286fi 1287 1288dnl Ensure that compilation tools are compatible with GCC extensions 1289if test "$GXX" != "yes" && test "$IXX" != "yes" 1290then 1291 AC_MSG_ERROR([g++|clang++|icc required but not found]) 1292fi 1293 1294dnl Verify that GCC is version 3.0 or higher 1295if test "$GCC" = "yes" 1296then 1297 AC_COMPILE_IFELSE( 1298[ 1299 AC_LANG_SOURCE([[ 1300 #if !defined(__GNUC__) || __GNUC__ < 3 1301 #error Unsupported GCC version 1302 #endif 1303 ]]) 1304], 1305[], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])]) 1306fi 1307 1308dnl Check for GNU Make. We use its extensions, so don't build without it 1309if test -z "$llvm_cv_gnu_make_command" 1310then 1311 AC_MSG_ERROR([GNU Make required but not found]) 1312fi 1313 1314dnl Tool compatibility is okay if we make it here. 1315AC_MSG_RESULT([ok]) 1316 1317dnl Check optional compiler flags. 1318AC_MSG_CHECKING([optional compiler flags]) 1319CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros]) 1320CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers]) 1321CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default]) 1322 1323dnl GCC's potential uninitialized use analysis is weak and presents lots of 1324dnl false positives, so disable it. 1325NO_UNINITIALIZED= 1326NO_MAYBE_UNINITIALIZED= 1327if test "$GXX" = "yes" 1328then 1329 CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized]) 1330 dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are 1331 dnl known to be uninitialized from cases which might be uninitialized. We 1332 dnl still want to catch the first kind of errors. 1333 if test -z "$NO_MAYBE_UNINITIALIZED" 1334 then 1335 CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized]) 1336 fi 1337fi 1338AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED]) 1339 1340AC_ARG_WITH([python], 1341 [AS_HELP_STRING([--with-python], [path to python])], 1342 [PYTHON="$withval"]) 1343 1344if test -n "$PYTHON" && test -x "$PYTHON" ; then 1345 AC_MSG_CHECKING([for python]) 1346 AC_MSG_RESULT([user defined: $with_python]) 1347else 1348 if test -n "$PYTHON" ; then 1349 AC_MSG_WARN([specified python ($PYTHON) is not usable, searching path]) 1350 fi 1351 1352 AC_PATH_PROG([PYTHON], [python python2 python26], 1353 [AC_MSG_RESULT([not found]) 1354 AC_MSG_ERROR([could not find python 2.5 or higher])]) 1355fi 1356 1357AC_MSG_CHECKING([for python >= 2.5]) 1358ac_python_version=`$PYTHON -c 'import sys; print sys.version.split()[[0]]'` 1359ac_python_version_major=`echo $ac_python_version | cut -d'.' -f1` 1360ac_python_version_minor=`echo $ac_python_version | cut -d'.' -f2` 1361ac_python_version_patch=`echo $ac_python_version | cut -d'.' -f3` 1362if test "$ac_python_version_major" -eq "2" \ 1363 && test "$ac_python_version_minor" -ge "5" ; then 1364 AC_MSG_RESULT([$PYTHON ($ac_python_version)]) 1365else 1366 AC_MSG_RESULT([not found]) 1367 AC_MSG_FAILURE([found python $ac_python_version ($PYTHON); required >= 2.5]) 1368fi 1369 1370dnl===-----------------------------------------------------------------------=== 1371dnl=== 1372dnl=== SECTION 5: Check for libraries 1373dnl=== 1374dnl===-----------------------------------------------------------------------=== 1375 1376AC_CHECK_LIB(m,sin) 1377if test "$llvm_cv_os_type" = "MingW" ; then 1378 AC_CHECK_LIB(imagehlp, main) 1379 AC_CHECK_LIB(psapi, main) 1380fi 1381 1382dnl dlopen() is required for plugin support. 1383AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1], 1384 [Define if dlopen() is available on this platform.]), 1385 AC_MSG_WARN([dlopen() not found - disabling plugin support])) 1386 1387dnl Search for the clock_gettime() function. Note that we rely on the POSIX 1388dnl macros to detect whether clock_gettime is available, this just finds the 1389dnl right libraries to link with. 1390AC_SEARCH_LIBS(clock_gettime,rt) 1391 1392dnl The curses library is optional; used for querying terminal info 1393if test "$llvm_cv_enable_curses" = "yes" ; then 1394 dnl We need the has_color functionality in curses for it to be useful. 1395 AC_SEARCH_LIBS(has_colors,curses ncurses ncursesw, 1396 AC_DEFINE([HAVE_CURSES],[1], 1397 [Define if curses provides the has_color() function on this platform.])) 1398fi 1399 1400dnl libffi is optional; used to call external functions from the interpreter 1401if test "$llvm_cv_enable_libffi" = "yes" ; then 1402 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1], 1403 [Define if libffi is available on this platform.]), 1404 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it])) 1405fi 1406 1407dnl mallinfo is optional; the code can compile (minus features) without it 1408AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1], 1409 [Define if mallinfo() is available on this platform.])) 1410 1411dnl pthread locking functions are optional - but llvm will not be thread-safe 1412dnl without locks. 1413if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1414 AC_CHECK_LIB(pthread, pthread_mutex_init) 1415 AC_SEARCH_LIBS(pthread_mutex_lock,pthread, 1416 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1], 1417 [Have pthread_mutex_lock])) 1418 AC_SEARCH_LIBS(pthread_rwlock_init,pthread, 1419 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1], 1420 [Have pthread_rwlock_init])) 1421 AC_SEARCH_LIBS(pthread_getspecific,pthread, 1422 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1], 1423 [Have pthread_getspecific])) 1424fi 1425 1426dnl zlib is optional; used for compression/uncompression 1427if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then 1428 AC_CHECK_LIB(z, compress2) 1429fi 1430 1431dnl Allow extra x86-disassembler library 1432AC_ARG_WITH(udis86, 1433 AS_HELP_STRING([--with-udis86=<path>], 1434 [Use udis86 external x86 disassembler library]), 1435 [ 1436 AC_SUBST(USE_UDIS86, [1]) 1437 case "$withval" in 1438 /usr/lib|yes) ;; 1439 *) LDFLAGS="$LDFLAGS -L${withval}" ;; 1440 esac 1441 AC_CHECK_LIB(udis86, ud_init, [], [ 1442 echo "Error! You need to have libudis86 around." 1443 exit -1 1444 ]) 1445 ], 1446 AC_SUBST(USE_UDIS86, [0])) 1447AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86, 1448 [Define if use udis86 library]) 1449 1450dnl Allow OProfile support for JIT output. 1451AC_ARG_WITH(oprofile, 1452 AS_HELP_STRING([--with-oprofile=<prefix>], 1453 [Tell OProfile >= 0.9.4 how to symbolize JIT output]), 1454 [ 1455 AC_SUBST(USE_OPROFILE, [1]) 1456 case "$withval" in 1457 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;; 1458 no) llvm_cv_oppath= 1459 AC_SUBST(USE_OPROFILE, [0]) ;; 1460 *) llvm_cv_oppath="${withval}/lib/oprofile" 1461 CPPFLAGS="-I${withval}/include";; 1462 esac 1463 case $llvm_cv_os_type in 1464 Linux) 1465 if test -n "$llvm_cv_oppath" ; then 1466 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}" 1467 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744: 1468 dnl libbfd is not included properly in libopagent in some Debian 1469 dnl versions. If libbfd isn't found at all, we assume opagent works 1470 dnl anyway. 1471 AC_SEARCH_LIBS(bfd_init, bfd, [], []) 1472 AC_SEARCH_LIBS(op_open_agent, opagent, [], [ 1473 echo "Error! You need to have libopagent around." 1474 exit -1 1475 ]) 1476 AC_CHECK_HEADER([opagent.h], [], [ 1477 echo "Error! You need to have opagent.h around." 1478 exit -1 1479 ]) 1480 fi ;; 1481 *) 1482 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;; 1483 esac 1484 ], 1485 [ 1486 AC_SUBST(USE_OPROFILE, [0]) 1487 ]) 1488AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE, 1489 [Define if we have the oprofile JIT-support library]) 1490 1491dnl Enable support for Intel JIT Events API. 1492AC_ARG_WITH(intel-jitevents, 1493 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]), 1494 [ 1495 case "$withval" in 1496 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);; 1497 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);; 1498 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);; 1499 esac 1500 1501 case $llvm_cv_os_type in 1502 Linux|Win32|Cygwin|MingW) ;; 1503 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);; 1504 esac 1505 1506 case "$llvm_cv_target_arch" in 1507 x86|x86_64) ;; 1508 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);; 1509 esac 1510 ], 1511 [ 1512 AC_SUBST(USE_INTEL_JITEVENTS, [0]) 1513 ]) 1514AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS, 1515 [Define if we have the Intel JIT API runtime support library]) 1516 1517dnl Check for libxml2 1518dnl Right now we're just checking for the existence, we could also check for a 1519dnl particular version via --version on xml2-config 1520AC_CHECK_PROGS(XML2CONFIG, xml2-config) 1521 1522AC_MSG_CHECKING(for libxml2 includes) 1523if test "x$XML2CONFIG" = "x"; then 1524 AC_MSG_RESULT(xml2-config not found) 1525else 1526 LIBXML2_INC=`$XML2CONFIG --cflags` 1527 AC_MSG_RESULT($LIBXML2_INC) 1528 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2]) 1529 LIBXML2_LIBS="-lxml2"]) 1530fi 1531AC_SUBST(LIBXML2_LIBS) 1532AC_SUBST(LIBXML2_INC) 1533 1534dnl===-----------------------------------------------------------------------=== 1535dnl=== 1536dnl=== SECTION 6: Check for header files 1537dnl=== 1538dnl===-----------------------------------------------------------------------=== 1539 1540dnl First, use autoconf provided macros for specific headers that we need 1541dnl We don't check for ancient stuff or things that are guaranteed to be there 1542dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers. 1543dnl Generally we're looking for POSIX headers. 1544AC_HEADER_DIRENT 1545AC_HEADER_MMAP_ANONYMOUS 1546AC_HEADER_STAT 1547AC_HEADER_SYS_WAIT 1548AC_HEADER_TIME 1549 1550AC_LANG_PUSH([C++]) 1551AC_CHECK_HEADERS([cxxabi.h]) 1552AC_LANG_POP([C++]) 1553AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h link.h]) 1554AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h]) 1555AC_CHECK_HEADERS([utime.h]) 1556AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h]) 1557AC_CHECK_HEADERS([sys/ioctl.h malloc/malloc.h mach/mach.h]) 1558AC_CHECK_HEADERS([valgrind/valgrind.h]) 1559AC_CHECK_HEADERS([fenv.h]) 1560AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]]) 1561if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1562 AC_CHECK_HEADERS(pthread.h, 1563 AC_SUBST(HAVE_PTHREAD, 1), 1564 AC_SUBST(HAVE_PTHREAD, 0)) 1565else 1566 AC_SUBST(HAVE_PTHREAD, 0) 1567fi 1568if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then 1569 AC_CHECK_HEADERS(zlib.h, 1570 AC_SUBST(HAVE_LIBZ, 1), 1571 AC_SUBST(HAVE_LIBZ, 0)) 1572else 1573 AC_SUBST(HAVE_LIBZ, 0) 1574fi 1575 1576dnl Try to find a suitable curses header. 1577if test "$llvm_cv_enable_curses" = "yes" ; then 1578 AC_CHECK_HEADERS([curses.h ncurses.h ncursesw.h ncurses/curses.h ncursesw/curses.h]) 1579fi 1580 1581dnl Try to find ffi.h. 1582if test "$llvm_cv_enable_libffi" = "yes" ; then 1583 AC_CHECK_HEADERS([ffi.h ffi/ffi.h]) 1584fi 1585 1586dnl Try to find Darwin specific crash reporting libraries. 1587AC_CHECK_HEADERS([CrashReporterClient.h]) 1588 1589dnl Try to find Darwin specific crash reporting global. 1590AC_MSG_CHECKING([__crashreporter_info__]) 1591AC_LINK_IFELSE( 1592[ 1593 AC_LANG_SOURCE([[ 1594 extern const char *__crashreporter_info__; 1595 int main() { 1596 __crashreporter_info__ = "test"; 1597 return 0; 1598 } 1599 ]]) 1600], 1601[ 1602 AC_MSG_RESULT([yes]) 1603 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [1], [can use __crashreporter_info__]) 1604], 1605[ 1606 AC_MSG_RESULT([no]) 1607 AC_DEFINE([HAVE_CRASHREPORTER_INFO], [0], [can use __crashreporter_info__]) 1608]) 1609 1610dnl===-----------------------------------------------------------------------=== 1611dnl=== 1612dnl=== SECTION 7: Check for types and structures 1613dnl=== 1614dnl===-----------------------------------------------------------------------=== 1615 1616AC_HUGE_VAL_CHECK 1617AC_TYPE_PID_T 1618AC_TYPE_SIZE_T 1619AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').]) 1620AC_STRUCT_TM 1621AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found])) 1622AC_CHECK_TYPES([uint64_t],, 1623 AC_CHECK_TYPES([u_int64_t],, 1624 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found]))) 1625 1626dnl===-----------------------------------------------------------------------=== 1627dnl=== 1628dnl=== SECTION 8: Check for specific functions needed 1629dnl=== 1630dnl===-----------------------------------------------------------------------=== 1631 1632AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ]) 1633AC_CHECK_FUNCS([powf fmodf strtof round ]) 1634AC_CHECK_FUNCS([log log2 log10 exp exp2]) 1635AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ]) 1636AC_CHECK_FUNCS([isatty mkdtemp mkstemp ]) 1637AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit ]) 1638AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ]) 1639AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ]) 1640AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev]) 1641AC_CHECK_FUNCS([futimes futimens]) 1642AC_C_PRINTF_A 1643AC_FUNC_RAND48 1644 1645dnl Check the declaration "Secure API" on Windows environments. 1646AC_CHECK_DECLS([strerror_s]) 1647 1648dnl Check symbols in libgcc.a for JIT on Mingw. 1649if test "$llvm_cv_os_type" = "MingW" ; then 1650 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca])) 1651 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca])) 1652 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk])) 1653 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk])) 1654 1655 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3])) 1656 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3])) 1657 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3])) 1658 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi])) 1659 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi])) 1660 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf])) 1661 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3])) 1662 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3])) 1663 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3])) 1664 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3])) 1665 1666 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main])) 1667 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2])) 1668fi 1669 1670dnl Check Win32 API EnumerateLoadedModules. 1671if test "$llvm_cv_os_type" = "MingW" ; then 1672 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl]) 1673 AC_COMPILE_IFELSE( 1674[ 1675 AC_LANG_SOURCE([[ 1676 #include <windows.h> 1677 #include <imagehlp.h> 1678 extern void foo(PENUMLOADED_MODULES_CALLBACK); 1679 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID)); 1680 ]]) 1681], 1682[ 1683 AC_MSG_RESULT([yes]) 1684 llvm_cv_win32_elmcb_pcstr="PCSTR" 1685], 1686[ 1687 AC_MSG_RESULT([no]) 1688 llvm_cv_win32_elmcb_pcstr="PSTR" 1689]) 1690 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback]) 1691fi 1692 1693dnl Check for variations in the Standard C++ library and STL. These macros are 1694dnl provided by LLVM in the autoconf/m4 directory. 1695AC_FUNC_ISNAN 1696AC_FUNC_ISINF 1697 1698dnl Check for mmap support.We also need to know if /dev/zero is required to 1699dnl be opened for allocating RWX memory. 1700dnl Make sure we aren't attempting to configure for an unknown system 1701if test "$llvm_cv_platform_type" = "Unix" ; then 1702 AC_FUNC_MMAP 1703 AC_FUNC_MMAP_FILE 1704 AC_NEED_DEV_ZERO_FOR_MMAP 1705 1706 if test "$ac_cv_func_mmap_fixed_mapped" = "no" 1707 then 1708 AC_MSG_WARN([mmap() of a fixed address required but not supported]) 1709 fi 1710 if test "$ac_cv_func_mmap_file" = "no" 1711 then 1712 AC_MSG_WARN([mmap() of files required but not found]) 1713 fi 1714fi 1715 1716dnl atomic builtins are required for threading support. 1717AC_MSG_CHECKING(for GCC atomic builtins) 1718dnl Since we'll be using these atomic builtins in C++ files we should test 1719dnl the C++ compiler. 1720AC_LANG_PUSH([C++]) 1721AC_LINK_IFELSE( 1722[ 1723 AC_LANG_SOURCE([[ 1724 int main() { 1725 volatile unsigned long val = 1; 1726 __sync_synchronize(); 1727 __sync_val_compare_and_swap(&val, 1, 0); 1728 __sync_add_and_fetch(&val, 1); 1729 __sync_sub_and_fetch(&val, 1); 1730 return 0; 1731 } 1732 ]]) 1733], 1734[ 1735 AC_MSG_RESULT([yes]) 1736 AC_DEFINE([LLVM_HAS_ATOMICS], [1], [Has gcc/MSVC atomic intrinsics]) 1737], 1738[ 1739 AC_MSG_RESULT([no]) 1740 AC_DEFINE([LLVM_HAS_ATOMICS], [0], [Has gcc/MSVC atomic intrinsics]) 1741 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]) 1742]) 1743AC_LANG_POP([C++]) 1744 1745dnl===-----------------------------------------------------------------------=== 1746dnl=== 1747dnl=== SECTION 9: Additional checks, variables, etc. 1748dnl=== 1749dnl===-----------------------------------------------------------------------=== 1750 1751dnl Handle 32-bit linux systems running a 64-bit kernel. 1752dnl This has to come after section 4 because it invokes the compiler. 1753if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then 1754 AC_IS_LINUX_MIXED 1755 if test "$llvm_cv_linux_mixed" = "yes"; then 1756 llvm_cv_target_arch="x86" 1757 ARCH="x86" 1758 fi 1759fi 1760 1761dnl Check whether __dso_handle is present 1762AC_CHECK_FUNCS([__dso_handle]) 1763 1764dnl Propagate the shared library extension that the libltdl checks did to 1765dnl the Makefiles so we can use it there too 1766AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext) 1767 1768dnl Propagate the run-time library path variable that the libltdl 1769dnl checks found to the Makefiles so we can use it there too 1770AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var) 1771 1772dnl Translate the various configuration directories and other basic 1773dnl information into substitutions that will end up in Makefile.config.in 1774dnl that these configured values can be used by the makefiles 1775if test "${prefix}" = "NONE" ; then 1776 prefix="/usr/local" 1777fi 1778eval LLVM_PREFIX="${prefix}"; 1779eval LLVM_BINDIR="${prefix}/bin"; 1780eval LLVM_DATADIR="${prefix}/share/llvm"; 1781eval LLVM_DOCSDIR="${prefix}/share/doc/llvm"; 1782eval LLVM_ETCDIR="${prefix}/etc/llvm"; 1783eval LLVM_INCLUDEDIR="${prefix}/include"; 1784eval LLVM_INFODIR="${prefix}/info"; 1785eval LLVM_MANDIR="${prefix}/man"; 1786LLVM_CONFIGTIME=`date` 1787AC_SUBST(LLVM_PREFIX) 1788AC_SUBST(LLVM_BINDIR) 1789AC_SUBST(LLVM_DATADIR) 1790AC_SUBST(LLVM_DOCSDIR) 1791AC_SUBST(LLVM_ETCDIR) 1792AC_SUBST(LLVM_INCLUDEDIR) 1793AC_SUBST(LLVM_INFODIR) 1794AC_SUBST(LLVM_MANDIR) 1795AC_SUBST(LLVM_CONFIGTIME) 1796 1797dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS. 1798if test "${ENABLE_TIMESTAMPS}" = "0"; then 1799 LLVM_CONFIGTIME="(timestamp not enabled)" 1800fi 1801 1802dnl Place the various directories into the config.h file as #defines so that we 1803dnl can know about the installation paths within LLVM. 1804AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", 1805 [Installation prefix directory]) 1806AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", 1807 [Installation directory for binary executables]) 1808AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", 1809 [Installation directory for data files]) 1810AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR", 1811 [Installation directory for documentation]) 1812AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", 1813 [Installation directory for config files]) 1814AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", 1815 [Installation directory for include files]) 1816AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", 1817 [Installation directory for .info files]) 1818AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", 1819 [Installation directory for man pages]) 1820AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", 1821 [Time at which LLVM was configured]) 1822AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host", 1823 [Host triple LLVM will be executed on]) 1824AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target", 1825 [Target triple LLVM will generate code for by default]) 1826 1827dnl Determine which bindings to build. 1828if test "$BINDINGS_TO_BUILD" = auto ; then 1829 BINDINGS_TO_BUILD="" 1830 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then 1831 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" 1832 fi 1833fi 1834AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD) 1835 1836dnl This isn't really configurey, but it avoids having to repeat the list in 1837dnl other files. 1838AC_SUBST(ALL_BINDINGS,ocaml) 1839 1840dnl Do any work necessary to ensure that bindings have what they need. 1841binding_prereqs_failed=0 1842for a_binding in $BINDINGS_TO_BUILD ; do 1843 case "$a_binding" in 1844 ocaml) 1845 if test "x$OCAMLC" = x ; then 1846 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc]) 1847 binding_prereqs_failed=1 1848 fi 1849 if test "x$OCAMLDEP" = x ; then 1850 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep]) 1851 binding_prereqs_failed=1 1852 fi 1853 if test "x$OCAMLOPT" = x ; then 1854 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt]) 1855 dnl ocamlopt is optional! 1856 fi 1857 if test "x$with_ocaml_libdir" != xauto ; then 1858 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir) 1859 else 1860 ocaml_stdlib="`"$OCAMLC" -where`" 1861 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~" 1862 then 1863 # ocaml stdlib is beneath our prefix; use stdlib 1864 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib) 1865 else 1866 # ocaml stdlib is outside our prefix; use libdir/ocaml 1867 AC_SUBST(OCAML_LIBDIR,${prefix}/lib/ocaml) 1868 fi 1869 fi 1870 ;; 1871 esac 1872done 1873if test "$binding_prereqs_failed" = 1 ; then 1874 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.]) 1875fi 1876 1877dnl Determine whether the compiler supports -fvisibility-inlines-hidden. 1878AC_CXX_USE_VISIBILITY_INLINES_HIDDEN 1879 1880dnl Determine linker rpath flag 1881if test "$llvm_cv_link_use_r" = "yes" ; then 1882 RPATH="-Wl,-R" 1883else 1884 RPATH="-Wl,-rpath" 1885fi 1886AC_SUBST(RPATH) 1887 1888dnl Determine linker rdynamic flag 1889if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then 1890 RDYNAMIC="-rdynamic" 1891else 1892 RDYNAMIC="" 1893fi 1894AC_SUBST(RDYNAMIC) 1895 1896dnl===-----------------------------------------------------------------------=== 1897dnl=== 1898dnl=== SECTION 10: Specify the output files and generate it 1899dnl=== 1900dnl===-----------------------------------------------------------------------=== 1901 1902dnl Configure header files 1903dnl WARNING: dnl If you add or remove any of the following config headers, then 1904dnl you MUST also update Makefile so that the variable FilesToConfig 1905dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the 1906dnl files can be updated automatically when their *.in sources change. 1907AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h]) 1908AH_TOP([#ifndef CONFIG_H 1909#define CONFIG_H]) 1910AH_BOTTOM([#endif]) 1911 1912AC_CONFIG_FILES([include/llvm/Config/Targets.def]) 1913AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def]) 1914AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def]) 1915AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def]) 1916AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h]) 1917 1918dnl Configure the makefile's configuration data 1919AC_CONFIG_FILES([Makefile.config]) 1920 1921dnl Configure the RPM spec file for LLVM 1922AC_CONFIG_FILES([llvm.spec]) 1923 1924dnl Configure doxygen's configuration file 1925AC_CONFIG_FILES([docs/doxygen.cfg]) 1926 1927dnl Configure clang, if present 1928if test "${clang_src_root}" = ""; then 1929 clang_src_root="$srcdir/tools/clang" 1930fi 1931if test -f ${clang_src_root}/README.txt; then 1932 dnl Use variables to stay under 80 columns. 1933 configh="include/clang/Config/config.h" 1934 doxy="docs/doxygen.cfg" 1935 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in]) 1936 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in]) 1937fi 1938 1939dnl OCaml findlib META file 1940AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm]) 1941 1942dnl Add --program-prefix value to Makefile.rules. Already an ARG variable. 1943test "x$program_prefix" = "xNONE" && program_prefix="" 1944AC_SUBST([program_prefix]) 1945 1946 1947dnl Do special configuration of Makefiles 1948AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"]) 1949AC_CONFIG_MAKEFILE(Makefile) 1950AC_CONFIG_MAKEFILE(Makefile.common) 1951AC_CONFIG_MAKEFILE(examples/Makefile) 1952AC_CONFIG_MAKEFILE(lib/Makefile) 1953AC_CONFIG_MAKEFILE(runtime/Makefile) 1954AC_CONFIG_MAKEFILE(test/Makefile) 1955AC_CONFIG_MAKEFILE(test/Makefile.tests) 1956AC_CONFIG_MAKEFILE(unittests/Makefile) 1957AC_CONFIG_MAKEFILE(tools/Makefile) 1958AC_CONFIG_MAKEFILE(utils/Makefile) 1959AC_CONFIG_MAKEFILE(projects/Makefile) 1960AC_CONFIG_MAKEFILE(bindings/Makefile) 1961AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml) 1962 1963dnl Finally, crank out the output 1964AC_OUTPUT 1965