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],[3.2svn],[http://llvm.org/bugs/]) 35AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API]) 36AC_DEFINE([LLVM_VERSION_MINOR], [2], [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) 2003-2012 University of Illinois at Urbana-Champaign."]) 41AC_COPYRIGHT([Copyright (c) 2003-2012 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/VMCore/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 We need to check for the compiler up here to avoid anything else 63dnl starting with a different one. 64AC_PROG_CC(clang llvm-gcc gcc) 65AC_PROG_CXX(clang++ llvm-g++ g++) 66AC_PROG_CPP 67 68dnl Configure all of the projects present in our source tree. While we could 69dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a 70dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated. 71dnl Instead we match on the known projects. 72 73dnl 74dnl One tricky part of doing this is that some projects depend upon other 75dnl projects. For example, several projects rely upon the LLVM test suite. 76dnl We want to configure those projects first so that their object trees are 77dnl created before running the configure scripts of projects that depend upon 78dnl them. 79dnl 80 81dnl Several projects use llvm-gcc, so configure that first 82if test -d ${srcdir}/projects/llvm-gcc ; then 83 AC_CONFIG_SUBDIRS([projects/llvm-gcc]) 84fi 85 86dnl Several projects use the LLVM test suite, so configure it next. 87if test -d ${srcdir}/projects/test-suite ; then 88 AC_CONFIG_SUBDIRS([projects/test-suite]) 89fi 90 91dnl llvm-test is the old name of the test-suite, kept here for backwards 92dnl compatibility 93if test -d ${srcdir}/projects/llvm-test ; then 94 AC_CONFIG_SUBDIRS([projects/llvm-test]) 95fi 96 97dnl Some projects use poolalloc; configure that next 98if test -d ${srcdir}/projects/poolalloc ; then 99 AC_CONFIG_SUBDIRS([projects/poolalloc]) 100fi 101 102if test -d ${srcdir}/projects/llvm-poolalloc ; then 103 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) 104fi 105 106dnl Check for all other projects 107for i in `ls ${srcdir}/projects` 108do 109 if test -d ${srcdir}/projects/${i} ; then 110 case ${i} in 111 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;; 112 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;; 113 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;; 114 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);; 115 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;; 116 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;; 117 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;; 118 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;; 119 compiler-rt) ;; 120 llvm-gcc) ;; 121 test-suite) ;; 122 llvm-test) ;; 123 poolalloc) ;; 124 llvm-poolalloc) ;; 125 *) 126 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically]) 127 ;; 128 esac 129 fi 130done 131 132dnl Disable the build of polly, even if it is checked out into tools/polly. 133AC_ARG_ENABLE(polly, 134 AS_HELP_STRING([--enable-polly], 135 [Use polly if available (default is YES)]),, 136 enableval=default) 137case "$enableval" in 138 yes) AC_SUBST(ENABLE_POLLY,[1]) ;; 139 no) AC_SUBST(ENABLE_POLLY,[0]) ;; 140 default) AC_SUBST(ENABLE_POLLY,[1]) ;; 141 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;; 142esac 143 144 145dnl Check if polly is checked out into tools/polly and configure it if 146dnl available. 147if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then 148 AC_SUBST(LLVM_HAS_POLLY,1) 149 AC_CONFIG_SUBDIRS([tools/polly]) 150fi 151 152dnl===-----------------------------------------------------------------------=== 153dnl=== 154dnl=== SECTION 2: Architecture, target, and host checks 155dnl=== 156dnl===-----------------------------------------------------------------------=== 157 158dnl Check the target for which we're compiling and the host that will do the 159dnl compilations. This will tell us which LLVM compiler will be used for 160dnl compiling SSA into object code. This needs to be done early because 161dnl following tests depend on it. 162AC_CANONICAL_TARGET 163 164dnl Determine the platform type and cache its value. This helps us configure 165dnl the System library to the correct build platform. 166AC_CACHE_CHECK([type of operating system we're going to host on], 167 [llvm_cv_os_type], 168[case $host in 169 *-*-aix*) 170 llvm_cv_link_all_option="-Wl,--whole-archive" 171 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 172 llvm_cv_os_type="AIX" 173 llvm_cv_platform_type="Unix" ;; 174 *-*-irix*) 175 llvm_cv_link_all_option="-Wl,--whole-archive" 176 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 177 llvm_cv_os_type="IRIX" 178 llvm_cv_platform_type="Unix" ;; 179 *-*-cygwin*) 180 llvm_cv_link_all_option="-Wl,--whole-archive" 181 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 182 llvm_cv_os_type="Cygwin" 183 llvm_cv_platform_type="Unix" ;; 184 *-*-darwin*) 185 llvm_cv_link_all_option="-Wl,-all_load" 186 llvm_cv_no_link_all_option="-Wl,-noall_load" 187 llvm_cv_os_type="Darwin" 188 llvm_cv_platform_type="Unix" ;; 189 *-*-minix*) 190 llvm_cv_link_all_option="-Wl,-all_load" 191 llvm_cv_no_link_all_option="-Wl,-noall_load" 192 llvm_cv_os_type="Minix" 193 llvm_cv_platform_type="Unix" ;; 194 *-*-freebsd* | *-*-kfreebsd-gnu) 195 llvm_cv_link_all_option="-Wl,--whole-archive" 196 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 197 llvm_cv_os_type="FreeBSD" 198 llvm_cv_platform_type="Unix" ;; 199 *-*-openbsd*) 200 llvm_cv_link_all_option="-Wl,--whole-archive" 201 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 202 llvm_cv_os_type="OpenBSD" 203 llvm_cv_platform_type="Unix" ;; 204 *-*-netbsd*) 205 llvm_cv_link_all_option="-Wl,--whole-archive" 206 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 207 llvm_cv_os_type="NetBSD" 208 llvm_cv_platform_type="Unix" ;; 209 *-*-dragonfly*) 210 llvm_cv_link_all_option="-Wl,--whole-archive" 211 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 212 llvm_cv_os_type="DragonFly" 213 llvm_cv_platform_type="Unix" ;; 214 *-*-hpux*) 215 llvm_cv_link_all_option="-Wl,--whole-archive" 216 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 217 llvm_cv_os_type="HP-UX" 218 llvm_cv_platform_type="Unix" ;; 219 *-*-interix*) 220 llvm_cv_link_all_option="-Wl,--whole-archive" 221 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 222 llvm_cv_os_type="Interix" 223 llvm_cv_platform_type="Unix" ;; 224 *-*-linux*) 225 llvm_cv_link_all_option="-Wl,--whole-archive" 226 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 227 llvm_cv_os_type="Linux" 228 llvm_cv_platform_type="Unix" ;; 229 *-*-gnu*) 230 llvm_cv_link_all_option="-Wl,--whole-archive" 231 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 232 llvm_cv_os_type="GNU" 233 llvm_cv_platform_type="Unix" ;; 234 *-*-solaris*) 235 llvm_cv_link_all_option="-Wl,-z,allextract" 236 llvm_cv_no_link_all_option="-Wl,-z,defaultextract" 237 llvm_cv_os_type="SunOS" 238 llvm_cv_platform_type="Unix" ;; 239 *-*-auroraux*) 240 llvm_cv_link_all_option="-Wl,-z,allextract" 241 llvm_cv_link_all_option="-Wl,-z,defaultextract" 242 llvm_cv_os_type="AuroraUX" 243 llvm_cv_platform_type="Unix" ;; 244 *-*-win32*) 245 llvm_cv_link_all_option="-Wl,--whole-archive" 246 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 247 llvm_cv_os_type="Win32" 248 llvm_cv_platform_type="Win32" ;; 249 *-*-mingw*) 250 llvm_cv_link_all_option="-Wl,--whole-archive" 251 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 252 llvm_cv_os_type="MingW" 253 llvm_cv_platform_type="Win32" ;; 254 *-*-haiku*) 255 llvm_cv_link_all_option="-Wl,--whole-archive" 256 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 257 llvm_cv_os_type="Haiku" 258 llvm_cv_platform_type="Unix" ;; 259 *-unknown-eabi*) 260 llvm_cv_link_all_option="-Wl,--whole-archive" 261 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 262 llvm_cv_os_type="Freestanding" 263 llvm_cv_platform_type="Unix" ;; 264 *-unknown-elf*) 265 llvm_cv_link_all_option="-Wl,--whole-archive" 266 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 267 llvm_cv_os_type="Freestanding" 268 llvm_cv_platform_type="Unix" ;; 269 *) 270 llvm_cv_link_all_option="" 271 llvm_cv_no_link_all_option="" 272 llvm_cv_os_type="Unknown" 273 llvm_cv_platform_type="Unknown" ;; 274esac]) 275 276AC_CACHE_CHECK([type of operating system we're going to target], 277 [llvm_cv_target_os_type], 278[case $target in 279 *-*-aix*) 280 llvm_cv_target_os_type="AIX" ;; 281 *-*-irix*) 282 llvm_cv_target_os_type="IRIX" ;; 283 *-*-cygwin*) 284 llvm_cv_target_os_type="Cygwin" ;; 285 *-*-darwin*) 286 llvm_cv_target_os_type="Darwin" ;; 287 *-*-minix*) 288 llvm_cv_target_os_type="Minix" ;; 289 *-*-freebsd* | *-*-kfreebsd-gnu) 290 llvm_cv_target_os_type="FreeBSD" ;; 291 *-*-openbsd*) 292 llvm_cv_target_os_type="OpenBSD" ;; 293 *-*-netbsd*) 294 llvm_cv_target_os_type="NetBSD" ;; 295 *-*-dragonfly*) 296 llvm_cv_target_os_type="DragonFly" ;; 297 *-*-hpux*) 298 llvm_cv_target_os_type="HP-UX" ;; 299 *-*-interix*) 300 llvm_cv_target_os_type="Interix" ;; 301 *-*-linux*) 302 llvm_cv_target_os_type="Linux" ;; 303 *-*-gnu*) 304 llvm_cv_target_os_type="GNU" ;; 305 *-*-solaris*) 306 llvm_cv_target_os_type="SunOS" ;; 307 *-*-auroraux*) 308 llvm_cv_target_os_type="AuroraUX" ;; 309 *-*-win32*) 310 llvm_cv_target_os_type="Win32" ;; 311 *-*-mingw*) 312 llvm_cv_target_os_type="MingW" ;; 313 *-*-haiku*) 314 llvm_cv_target_os_type="Haiku" ;; 315 *-*-rtems*) 316 llvm_cv_target_os_type="RTEMS" ;; 317 *-*-nacl*) 318 llvm_cv_target_os_type="NativeClient" ;; 319 *-unknown-eabi*) 320 llvm_cv_target_os_type="Freestanding" ;; 321 *) 322 llvm_cv_target_os_type="Unknown" ;; 323esac]) 324 325dnl Make sure we aren't attempting to configure for an unknown system 326if test "$llvm_cv_os_type" = "Unknown" ; then 327 AC_MSG_ERROR([Operating system is unknown, configure can't continue]) 328fi 329 330dnl Set the "OS" Makefile variable based on the platform type so the 331dnl makefile can configure itself to specific build hosts 332AC_SUBST(OS,$llvm_cv_os_type) 333AC_SUBST(HOST_OS,$llvm_cv_os_type) 334AC_SUBST(TARGET_OS,$llvm_cv_target_os_type) 335 336dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform 337AC_SUBST(LINKALL,$llvm_cv_link_all_option) 338AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option) 339 340dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type 341dnl This is used by lib/Support to determine the basic kind of implementation 342dnl to use. 343case $llvm_cv_platform_type in 344 Unix) 345 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform]) 346 AC_SUBST(LLVM_ON_UNIX,[1]) 347 AC_SUBST(LLVM_ON_WIN32,[0]) 348 ;; 349 Win32) 350 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform]) 351 AC_SUBST(LLVM_ON_UNIX,[0]) 352 AC_SUBST(LLVM_ON_WIN32,[1]) 353 ;; 354esac 355 356dnl Determine what our target architecture is and configure accordingly. 357dnl This will allow Makefiles to make a distinction between the hardware and 358dnl the OS. 359AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch], 360[case $target in 361 i?86-*) llvm_cv_target_arch="x86" ;; 362 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;; 363 sparc*-*) llvm_cv_target_arch="Sparc" ;; 364 powerpc*-*) llvm_cv_target_arch="PowerPC" ;; 365 arm*-*) llvm_cv_target_arch="ARM" ;; 366 mips-*) llvm_cv_target_arch="Mips" ;; 367 mipsel-*) llvm_cv_target_arch="Mips" ;; 368 xcore-*) llvm_cv_target_arch="XCore" ;; 369 msp430-*) llvm_cv_target_arch="MSP430" ;; 370 hexagon-*) llvm_cv_target_arch="Hexagon" ;; 371 mblaze-*) llvm_cv_target_arch="MBlaze" ;; 372 nvptx-*) llvm_cv_target_arch="NVPTX" ;; 373 *) llvm_cv_target_arch="Unknown" ;; 374esac]) 375 376if test "$llvm_cv_target_arch" = "Unknown" ; then 377 AC_MSG_WARN([Configuring LLVM for an unknown target archicture]) 378fi 379 380dnl Determine the LLVM native architecture for the target 381case "$llvm_cv_target_arch" in 382 x86) LLVM_NATIVE_ARCH="X86" ;; 383 x86_64) LLVM_NATIVE_ARCH="X86" ;; 384 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;; 385esac 386 387dnl Define a substitution, ARCH, for the target architecture 388AC_SUBST(ARCH,$llvm_cv_target_arch) 389 390dnl Determine what our host architecture. 391dnl This will allow MCJIT regress tests runs only for supported 392dnl platforms. 393case $host in 394 i?86-*) host_arch="x86" ;; 395 amd64-* | x86_64-*) host_arch="x86_64" ;; 396 sparc*-*) host_arch="Sparc" ;; 397 powerpc*-*) host_arch="PowerPC" ;; 398 arm*-*) host_arch="ARM" ;; 399 mips-*) host_arch="Mips" ;; 400 mipsel-*) host_arch="Mips" ;; 401 xcore-*) host_arch="XCore" ;; 402 msp430-*) host_arch="MSP430" ;; 403 hexagon-*) host_arch="Hexagon" ;; 404 mblaze-*) host_arch="MBlaze" ;; 405 *) host_arch="Unknown" ;; 406esac 407 408if test "$host_arch" = "Unknown" ; then 409 AC_MSG_WARN([Configuring LLVM for an unknown host archicture]) 410fi 411 412AC_SUBST(HOST_ARCH,$host_arch) 413 414dnl Check for the endianness of the target 415AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little])) 416 417dnl Check for build platform executable suffix if we're cross-compiling 418if test "$cross_compiling" = yes; then 419 AC_SUBST(LLVM_CROSS_COMPILING, [1]) 420 AC_BUILD_EXEEXT 421 ac_build_prefix=${build_alias}- 422 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++) 423 if test -z "$BUILD_CXX"; then 424 AC_CHECK_PROG(BUILD_CXX, g++, g++) 425 if test -z "$BUILD_CXX"; then 426 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++) 427 fi 428 fi 429else 430 AC_SUBST(LLVM_CROSS_COMPILING, [0]) 431fi 432 433dnl Check to see if there's a .svn or .git directory indicating that this 434dnl build is being done from a checkout. This sets up several defaults for 435dnl the command line switches. When we build with a checkout directory, 436dnl we get a debug with assertions turned on. Without, we assume a source 437dnl release and we get an optimized build without assertions. 438dnl See --enable-optimized and --enable-assertions below 439if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then 440 cvsbuild="yes" 441 optimize="no" 442 AC_SUBST(CVSBUILD,[[CVSBUILD=1]]) 443else 444 cvsbuild="no" 445 optimize="yes" 446fi 447 448dnl===-----------------------------------------------------------------------=== 449dnl=== 450dnl=== SECTION 3: Command line arguments for the configure script. 451dnl=== 452dnl===-----------------------------------------------------------------------=== 453 454dnl --enable-libcpp : check whether or not to use libc++ on the command line 455AC_ARG_ENABLE(libcpp, 456 AS_HELP_STRING([--enable-libcpp], 457 [Use libc++ if available (default is NO)]),, 458 enableval=default) 459case "$enableval" in 460 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;; 461 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;; 462 default) AC_SUBST(ENABLE_LIBCPP,[0]);; 463 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;; 464esac 465 466dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line 467AC_ARG_ENABLE(cxx11, 468 AS_HELP_STRING([--enable-cxx11], 469 [Use c++11 if available (default is NO)]),, 470 enableval=default) 471case "$enableval" in 472 yes) AC_SUBST(ENABLE_CXX11,[1]) ;; 473 no) AC_SUBST(ENABLE_CXX11,[0]) ;; 474 default) AC_SUBST(ENABLE_CXX11,[0]);; 475 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;; 476esac 477 478dnl --enable-optimized : check whether they want to do an optimized build: 479AC_ARG_ENABLE(optimized, AS_HELP_STRING( 480 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize) 481if test ${enableval} = "no" ; then 482 AC_SUBST(ENABLE_OPTIMIZED,[[]]) 483else 484 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]]) 485fi 486 487dnl --enable-profiling : check whether they want to do a profile build: 488AC_ARG_ENABLE(profiling, AS_HELP_STRING( 489 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no") 490if test ${enableval} = "no" ; then 491 AC_SUBST(ENABLE_PROFILING,[[]]) 492else 493 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]]) 494fi 495 496dnl --enable-assertions : check whether they want to turn on assertions or not: 497AC_ARG_ENABLE(assertions,AS_HELP_STRING( 498 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes") 499if test ${enableval} = "yes" ; then 500 AC_SUBST(DISABLE_ASSERTIONS,[[]]) 501else 502 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]]) 503fi 504 505dnl --enable-werror : check whether we want Werror on by default 506AC_ARG_ENABLE(werror,AS_HELP_STRING( 507 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no") 508case "$enableval" in 509 yes) AC_SUBST(ENABLE_WERROR,[1]) ;; 510 no) AC_SUBST(ENABLE_WERROR,[0]) ;; 511 default) AC_SUBST(ENABLE_WERROR,[0]);; 512 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;; 513esac 514 515dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks: 516AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING( 517 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no") 518if test ${enableval} = "yes" ; then 519 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]]) 520 AC_SUBST(EXPENSIVE_CHECKS,[[yes]]) 521else 522 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]]) 523 AC_SUBST(EXPENSIVE_CHECKS,[[no]]) 524fi 525 526dnl --enable-debug-runtime : should runtime libraries have debug symbols? 527AC_ARG_ENABLE(debug-runtime, 528 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no) 529if test ${enableval} = "no" ; then 530 AC_SUBST(DEBUG_RUNTIME,[[]]) 531else 532 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]]) 533fi 534 535dnl --enable-debug-symbols : should even optimized compiler libraries 536dnl have debug symbols? 537AC_ARG_ENABLE(debug-symbols, 538 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) 539if test ${enableval} = "no" ; then 540 AC_SUBST(DEBUG_SYMBOLS,[[]]) 541else 542 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]]) 543fi 544 545dnl --enable-keep-symbols : do not strip installed executables 546AC_ARG_ENABLE(keep-symbols, 547 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no) 548if test ${enableval} = "no" ; then 549 AC_SUBST(KEEP_SYMBOLS,[[]]) 550else 551 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]]) 552fi 553 554dnl --enable-jit: check whether they want to enable the jit 555AC_ARG_ENABLE(jit, 556 AS_HELP_STRING(--enable-jit, 557 [Enable Just In Time Compiling (default is YES)]),, 558 enableval=default) 559if test ${enableval} = "no" 560then 561 AC_SUBST(JIT,[[]]) 562else 563 case "$llvm_cv_target_arch" in 564 x86) AC_SUBST(TARGET_HAS_JIT,1) ;; 565 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;; 566 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;; 567 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;; 568 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;; 569 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;; 570 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;; 571 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;; 572 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;; 573 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;; 574 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;; 575 *) AC_SUBST(TARGET_HAS_JIT,0) ;; 576 esac 577fi 578 579dnl Allow enablement of building and installing docs 580AC_ARG_ENABLE(docs, 581 AS_HELP_STRING([--enable-docs], 582 [Build documents (default is YES)]),, 583 enableval=default) 584case "$enableval" in 585 yes) AC_SUBST(ENABLE_DOCS,[1]) ;; 586 no) AC_SUBST(ENABLE_DOCS,[0]) ;; 587 default) AC_SUBST(ENABLE_DOCS,[1]) ;; 588 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;; 589esac 590 591dnl Allow enablement of doxygen generated documentation 592AC_ARG_ENABLE(doxygen, 593 AS_HELP_STRING([--enable-doxygen], 594 [Build doxygen documentation (default is NO)]),, 595 enableval=default) 596case "$enableval" in 597 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;; 598 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 599 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 600 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;; 601esac 602 603dnl Allow disablement of threads 604AC_ARG_ENABLE(threads, 605 AS_HELP_STRING([--enable-threads], 606 [Use threads if available (default is YES)]),, 607 enableval=default) 608case "$enableval" in 609 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; 610 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;; 611 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; 612 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;; 613esac 614AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS, 615 [Define if threads enabled]) 616 617dnl Allow disablement of pthread.h 618AC_ARG_ENABLE(pthreads, 619 AS_HELP_STRING([--enable-pthreads], 620 [Use pthreads if available (default is YES)]),, 621 enableval=default) 622case "$enableval" in 623 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 624 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;; 625 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 626 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;; 627esac 628 629dnl Allow building without position independent code 630AC_ARG_ENABLE(pic, 631 AS_HELP_STRING([--enable-pic], 632 [Build LLVM with Position Independent Code (default is YES)]),, 633 enableval=default) 634case "$enableval" in 635 yes) AC_SUBST(ENABLE_PIC,[1]) ;; 636 no) AC_SUBST(ENABLE_PIC,[0]) ;; 637 default) AC_SUBST(ENABLE_PIC,[1]) ;; 638 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;; 639esac 640AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC, 641 [Define if position independent code is enabled]) 642 643dnl Allow building a shared library and linking tools against it. 644AC_ARG_ENABLE(shared, 645 AS_HELP_STRING([--enable-shared], 646 [Build a shared library and link tools against it (default is NO)]),, 647 enableval=default) 648case "$enableval" in 649 yes) AC_SUBST(ENABLE_SHARED,[1]) ;; 650 no) AC_SUBST(ENABLE_SHARED,[0]) ;; 651 default) AC_SUBST(ENABLE_SHARED,[0]) ;; 652 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;; 653esac 654 655dnl Allow libstdc++ is embedded in LLVM.dll. 656AC_ARG_ENABLE(embed-stdcxx, 657 AS_HELP_STRING([--enable-embed-stdcxx], 658 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),, 659 enableval=default) 660case "$enableval" in 661 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;; 662 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 663 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 664 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;; 665esac 666 667dnl Enable embedding timestamp information into build. 668AC_ARG_ENABLE(timestamps, 669 AS_HELP_STRING([--enable-timestamps], 670 [Enable embedding timestamp information in build (default is YES)]),, 671 enableval=default) 672case "$enableval" in 673 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 674 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;; 675 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 676 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;; 677esac 678AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS, 679 [Define if timestamp information (e.g., __DATE__) is allowed]) 680 681dnl Allow specific targets to be specified for building (or not) 682TARGETS_TO_BUILD="" 683AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets], 684 [Build specific host targets: all or target1,target2,... Valid targets are: 685 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon, 686 xcore, msp430, nvptx, and cpp (default=all)]),, 687 enableval=all) 688if test "$enableval" = host-only ; then 689 enableval=host 690fi 691case "$enableval" in 692 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;; 693 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do 694 case "$a_target" in 695 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 696 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 697 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 698 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 699 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 700 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 701 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 702 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;; 703 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 704 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 705 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;; 706 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; 707 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;; 708 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;; 709 host) case "$llvm_cv_target_arch" in 710 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 711 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 712 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 713 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 714 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 715 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 716 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;; 717 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;; 718 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 719 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 720 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; 721 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;; 722 *) AC_MSG_ERROR([Can not set target to build]) ;; 723 esac ;; 724 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;; 725 esac 726 done 727 ;; 728esac 729 730AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets], 731 [Build experimental host targets: disable or target1,target2,... 732 (default=disable)]),, 733 enableval=disable) 734 735if test ${enableval} != "disable" 736then 737 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD" 738fi 739 740AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD) 741 742dnl Determine whether we are building LLVM support for the native architecture. 743dnl If so, define LLVM_NATIVE_ARCH to that LLVM target. 744for a_target in $TARGETS_TO_BUILD; do 745 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then 746 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH, 747 [LLVM architecture name for the native architecture, if available]) 748 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target" 749 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo" 750 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC" 751 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter" 752 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 753 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser" 754 fi 755 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then 756 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler" 757 fi 758 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET, 759 [LLVM name for the native Target init function, if available]) 760 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO, 761 [LLVM name for the native TargetInfo init function, if available]) 762 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC, 763 [LLVM name for the native target MC init function, if available]) 764 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER, 765 [LLVM name for the native AsmPrinter init function, if available]) 766 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 767 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER, 768 [LLVM name for the native AsmParser init function, if available]) 769 fi 770 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then 771 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER, 772 [LLVM name for the native Disassembler init function, if available]) 773 fi 774 fi 775done 776 777dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual 778dnl target feature def files. 779LLVM_ENUM_TARGETS="" 780LLVM_ENUM_ASM_PRINTERS="" 781LLVM_ENUM_ASM_PARSERS="" 782LLVM_ENUM_DISASSEMBLERS="" 783for target_to_build in $TARGETS_TO_BUILD; do 784 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS" 785 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then 786 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS"; 787 fi 788 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then 789 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS"; 790 fi 791 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then 792 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS"; 793 fi 794done 795AC_SUBST(LLVM_ENUM_TARGETS) 796AC_SUBST(LLVM_ENUM_ASM_PRINTERS) 797AC_SUBST(LLVM_ENUM_ASM_PARSERS) 798AC_SUBST(LLVM_ENUM_DISASSEMBLERS) 799 800dnl Override the option to use for optimized builds. 801AC_ARG_WITH(optimize-option, 802 AS_HELP_STRING([--with-optimize-option], 803 [Select the compiler options to use for optimized builds]),, 804 withval=default) 805AC_MSG_CHECKING([optimization flags]) 806case "$withval" in 807 default) 808 case "$llvm_cv_os_type" in 809 FreeBSD) optimize_option=-O2 ;; 810 MingW) optimize_option=-O2 ;; 811 *) optimize_option=-O3 ;; 812 esac ;; 813 *) optimize_option="$withval" ;; 814esac 815AC_SUBST(OPTIMIZE_OPTION,$optimize_option) 816AC_MSG_RESULT([$optimize_option]) 817 818dnl Specify extra build options 819AC_ARG_WITH(extra-options, 820 AS_HELP_STRING([--with-extra-options], 821 [Specify additional options to compile LLVM with]),, 822 withval=default) 823case "$withval" in 824 default) EXTRA_OPTIONS= ;; 825 *) EXTRA_OPTIONS=$withval ;; 826esac 827AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS) 828 829dnl Specify extra linker build options 830AC_ARG_WITH(extra-ld-options, 831 AS_HELP_STRING([--with-extra-ld-options], 832 [Specify additional options to link LLVM with]),, 833 withval=default) 834case "$withval" in 835 default) EXTRA_LD_OPTIONS= ;; 836 *) EXTRA_LD_OPTIONS=$withval ;; 837esac 838AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS) 839 840dnl Allow specific bindings to be specified for building (or not) 841AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings], 842 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),, 843 enableval=default) 844BINDINGS_TO_BUILD="" 845case "$enableval" in 846 yes | default | auto) BINDINGS_TO_BUILD="auto" ;; 847 all ) BINDINGS_TO_BUILD="ocaml" ;; 848 none | no) BINDINGS_TO_BUILD="" ;; 849 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do 850 case "$a_binding" in 851 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;; 852 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;; 853 esac 854 done 855 ;; 856esac 857 858dnl Allow the ocaml libdir to be overridden. This could go in a configure 859dnl script for bindings/ocaml/configure, except that its auto value depends on 860dnl OCAMLC, which is found here to support tests. 861AC_ARG_WITH([ocaml-libdir], 862 [AS_HELP_STRING([--with-ocaml-libdir], 863 [Specify install location for ocaml bindings (default is stdlib)])], 864 [], 865 [withval=auto]) 866case "$withval" in 867 auto) with_ocaml_libdir="$withval" ;; 868 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;; 869 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;; 870esac 871 872AC_ARG_WITH(clang-srcdir, 873 AS_HELP_STRING([--with-clang-srcdir], 874 [Directory to the out-of-tree Clang source]),, 875 withval="-") 876case "$withval" in 877 -) clang_src_root="" ;; 878 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;; 879 *) clang_src_root="$ac_pwd/$withval" ;; 880esac 881AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root]) 882 883AC_ARG_WITH(clang-resource-dir, 884 AS_HELP_STRING([--with-clang-resource-dir], 885 [Relative directory from the Clang binary for resource files]),, 886 withval="") 887AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval", 888 [Relative directory for resource files]) 889 890AC_ARG_WITH(c-include-dirs, 891 AS_HELP_STRING([--with-c-include-dirs], 892 [Colon separated list of directories clang will search for headers]),, 893 withval="") 894AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval", 895 [Directories clang will search for headers]) 896 897# Clang normally uses the system c++ headers and libraries. With this option, 898# clang will use the ones provided by a gcc installation instead. This option should 899# be passed the same value that was used with --prefix when configuring gcc. 900AC_ARG_WITH(gcc-toolchain, 901 AS_HELP_STRING([--with-gcc-toolchain], 902 [Directory where gcc is installed.]),, 903 withval="") 904AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval", 905 [Directory where gcc is installed.]) 906 907AC_ARG_WITH(default-sysroot, 908 AS_HELP_STRING([--with-default-sysroot], 909 [Add --sysroot=<path> to all compiler invocations.]),, 910 withval="") 911AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval", 912 [Default <path> to all compiler invocations for --sysroot=<path>.]) 913 914dnl Allow linking of LLVM with GPLv3 binutils code. 915AC_ARG_WITH(binutils-include, 916 AS_HELP_STRING([--with-binutils-include], 917 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),, 918 withval=default) 919case "$withval" in 920 default) WITH_BINUTILS_INCDIR=default ;; 921 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;; 922 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;; 923esac 924if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then 925 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR) 926 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then 927 echo "$WITH_BINUTILS_INCDIR/plugin-api.h" 928 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]); 929 fi 930fi 931 932dnl Specify the URL where bug reports should be submitted. 933AC_ARG_WITH(bug-report-url, 934 AS_HELP_STRING([--with-bug-report-url], 935 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),, 936 withval="http://llvm.org/bugs/") 937AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval", 938 [Bug report URL.]) 939 940dnl --enable-libffi : check whether the user wants to turn off libffi: 941AC_ARG_ENABLE(libffi,AS_HELP_STRING( 942 --enable-libffi,[Check for the presence of libffi (default is NO)]), 943 [case "$enableval" in 944 yes) llvm_cv_enable_libffi="yes" ;; 945 no) llvm_cv_enable_libffi="no" ;; 946 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;; 947 esac], 948 llvm_cv_enable_libffi=no) 949 950AC_ARG_WITH(internal-prefix, 951 AS_HELP_STRING([--with-internal-prefix], 952 [Installation directory for internal files]),, 953 withval="") 954AC_SUBST(INTERNAL_PREFIX,[$withval]) 955 956dnl===-----------------------------------------------------------------------=== 957dnl=== 958dnl=== SECTION 4: Check for programs we need and that they are the right version 959dnl=== 960dnl===-----------------------------------------------------------------------=== 961 962AC_PROG_NM 963AC_SUBST(NM) 964 965dnl Check for the tools that the makefiles require 966AC_CHECK_GNU_MAKE 967AC_PROG_LN_S 968AC_PATH_PROG(CMP, [cmp], [cmp]) 969AC_PATH_PROG(CP, [cp], [cp]) 970AC_PATH_PROG(DATE, [date], [date]) 971AC_PATH_PROG(FIND, [find], [find]) 972AC_PATH_PROG(GREP, [grep], [grep]) 973AC_PATH_PROG(MKDIR,[mkdir],[mkdir]) 974AC_PATH_PROG(MV, [mv], [mv]) 975AC_PROG_RANLIB 976AC_CHECK_TOOL(AR, ar, false) 977AC_PATH_PROG(RM, [rm], [rm]) 978AC_PATH_PROG(SED, [sed], [sed]) 979AC_PATH_PROG(TAR, [tar], [gtar]) 980AC_PATH_PROG(BINPWD,[pwd], [pwd]) 981 982dnl Looking for misc. graph plotting software 983AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz]) 984if test "$GRAPHVIZ" != "echo Graphviz" ; then 985 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available]) 986 dnl If we're targeting for mingw we should emit windows paths, not msys 987 if test "$llvm_cv_os_type" = "MingW" ; then 988 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 989 fi 990 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}", 991 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise]) 992fi 993AC_PATH_PROG(DOT, [dot], [echo dot]) 994if test "$DOT" != "echo dot" ; then 995 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available]) 996 dnl If we're targeting for mingw we should emit windows paths, not msys 997 if test "$llvm_cv_os_type" = "MingW" ; then 998 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 999 fi 1000 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}", 1001 [Define to path to dot program if found or 'echo dot' otherwise]) 1002fi 1003AC_PATH_PROG(FDP, [fdp], [echo fdp]) 1004if test "$FDP" != "echo fdp" ; then 1005 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available]) 1006 dnl If we're targeting for mingw we should emit windows paths, not msys 1007 if test "$llvm_cv_os_type" = "MingW" ; then 1008 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1009 fi 1010 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}", 1011 [Define to path to fdp program if found or 'echo fdp' otherwise]) 1012fi 1013AC_PATH_PROG(NEATO, [neato], [echo neato]) 1014if test "$NEATO" != "echo neato" ; then 1015 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available]) 1016 dnl If we're targeting for mingw we should emit windows paths, not msys 1017 if test "$llvm_cv_os_type" = "MingW" ; then 1018 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1019 fi 1020 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}", 1021 [Define to path to neato program if found or 'echo neato' otherwise]) 1022fi 1023AC_PATH_PROG(TWOPI, [twopi], [echo twopi]) 1024if test "$TWOPI" != "echo twopi" ; then 1025 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available]) 1026 dnl If we're targeting for mingw we should emit windows paths, not msys 1027 if test "$llvm_cv_os_type" = "MingW" ; then 1028 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1029 fi 1030 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}", 1031 [Define to path to twopi program if found or 'echo twopi' otherwise]) 1032fi 1033AC_PATH_PROG(CIRCO, [circo], [echo circo]) 1034if test "$CIRCO" != "echo circo" ; then 1035 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available]) 1036 dnl If we're targeting for mingw we should emit windows paths, not msys 1037 if test "$llvm_cv_os_type" = "MingW" ; then 1038 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1039 fi 1040 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}", 1041 [Define to path to circo program if found or 'echo circo' otherwise]) 1042fi 1043AC_PATH_PROGS(GV, [gv gsview32], [echo gv]) 1044if test "$GV" != "echo gv" ; then 1045 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available]) 1046 dnl If we're targeting for mingw we should emit windows paths, not msys 1047 if test "$llvm_cv_os_type" = "MingW" ; then 1048 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1049 fi 1050 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}", 1051 [Define to path to gv program if found or 'echo gv' otherwise]) 1052fi 1053AC_PATH_PROG(DOTTY, [dotty], [echo dotty]) 1054if test "$DOTTY" != "echo dotty" ; then 1055 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available]) 1056 dnl If we're targeting for mingw we should emit windows paths, not msys 1057 if test "$llvm_cv_os_type" = "MingW" ; then 1058 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1059 fi 1060 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}", 1061 [Define to path to dotty program if found or 'echo dotty' otherwise]) 1062fi 1063AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py]) 1064if test "$XDOT_PY" != "echo xdot.py" ; then 1065 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available]) 1066 dnl If we're targeting for mingw we should emit windows paths, not msys 1067 if test "$llvm_cv_os_type" = "MingW" ; then 1068 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1069 fi 1070 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}", 1071 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise]) 1072fi 1073 1074dnl Find the install program 1075AC_PROG_INSTALL 1076dnl Prepend src dir to install path dir if it's a relative path 1077dnl This is a hack for installs that take place in something other 1078dnl than the top level. 1079case "$INSTALL" in 1080 [[\\/$]]* | ?:[[\\/]]* ) ;; 1081 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;; 1082esac 1083 1084dnl Checks for documentation and testing tools that we can do without. If these 1085dnl are not found then they are set to "true" which always succeeds but does 1086dnl nothing. This just lets the build output show that we could have done 1087dnl something if the tool was available. 1088AC_PATH_PROG(BZIP2, [bzip2]) 1089AC_PATH_PROG(CAT, [cat]) 1090AC_PATH_PROG(DOXYGEN, [doxygen]) 1091AC_PATH_PROG(GROFF, [groff]) 1092AC_PATH_PROG(GZIPBIN, [gzip]) 1093AC_PATH_PROG(PDFROFF, [pdfroff]) 1094AC_PATH_PROG(ZIP, [zip]) 1095AC_PATH_PROGS(OCAMLC, [ocamlc]) 1096AC_PATH_PROGS(OCAMLOPT, [ocamlopt]) 1097AC_PATH_PROGS(OCAMLDEP, [ocamldep]) 1098AC_PATH_PROGS(OCAMLDOC, [ocamldoc]) 1099AC_PATH_PROGS(GAS, [gas as]) 1100 1101dnl Get the version of the linker in use. 1102AC_LINK_GET_VERSION 1103 1104dnl Determine whether the linker supports the -R option. 1105AC_LINK_USE_R 1106 1107dnl Determine whether the linker supports the -export-dynamic option. 1108AC_LINK_EXPORT_DYNAMIC 1109 1110dnl Determine whether the linker supports the --version-script option. 1111AC_LINK_VERSION_SCRIPT 1112 1113dnl Check for libtool and the library that has dlopen function (which must come 1114dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with 1115dnl libtool). 1116AC_LIBTOOL_DLOPEN 1117AC_LIB_LTDL 1118 1119AC_MSG_CHECKING([tool compatibility]) 1120 1121dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as 1122dnl ICC; we use GCC specific options in the makefiles so the compiler needs 1123dnl to support those options. 1124dnl "icc" emits gcc signatures 1125dnl "icc -no-gcc" emits no gcc signature BUT is still compatible 1126ICC=no 1127IXX=no 1128case $CC in 1129 icc*|icpc*) 1130 ICC=yes 1131 IXX=yes 1132 ;; 1133 *) 1134 ;; 1135esac 1136 1137if test "$GCC" != "yes" && test "$ICC" != "yes" 1138then 1139 AC_MSG_ERROR([gcc|icc required but not found]) 1140fi 1141 1142dnl Ensure that compilation tools are compatible with GCC extensions 1143if test "$GXX" != "yes" && test "$IXX" != "yes" 1144then 1145 AC_MSG_ERROR([g++|clang++|icc required but not found]) 1146fi 1147 1148dnl Verify that GCC is version 3.0 or higher 1149if test "$GCC" = "yes" 1150then 1151 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3 1152#error Unsupported GCC version 1153#endif 1154]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])]) 1155fi 1156 1157dnl Check for GNU Make. We use its extensions, so don't build without it 1158if test -z "$llvm_cv_gnu_make_command" 1159then 1160 AC_MSG_ERROR([GNU Make required but not found]) 1161fi 1162 1163dnl Tool compatibility is okay if we make it here. 1164AC_MSG_RESULT([ok]) 1165 1166dnl Check optional compiler flags. 1167AC_MSG_CHECKING([optional compiler flags]) 1168CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros]) 1169CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers]) 1170CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default]) 1171AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT]) 1172 1173dnl===-----------------------------------------------------------------------=== 1174dnl=== 1175dnl=== SECTION 5: Check for libraries 1176dnl=== 1177dnl===-----------------------------------------------------------------------=== 1178 1179AC_CHECK_LIB(m,sin) 1180if test "$llvm_cv_os_type" = "MingW" ; then 1181 AC_CHECK_LIB(imagehlp, main) 1182 AC_CHECK_LIB(psapi, main) 1183fi 1184 1185dnl dlopen() is required for plugin support. 1186AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1], 1187 [Define if dlopen() is available on this platform.]), 1188 AC_MSG_WARN([dlopen() not found - disabling plugin support])) 1189 1190dnl libffi is optional; used to call external functions from the interpreter 1191if test "$llvm_cv_enable_libffi" = "yes" ; then 1192 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1], 1193 [Define if libffi is available on this platform.]), 1194 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it])) 1195fi 1196 1197dnl mallinfo is optional; the code can compile (minus features) without it 1198AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1], 1199 [Define if mallinfo() is available on this platform.])) 1200 1201dnl pthread locking functions are optional - but llvm will not be thread-safe 1202dnl without locks. 1203if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1204 AC_CHECK_LIB(pthread, pthread_mutex_init) 1205 AC_SEARCH_LIBS(pthread_mutex_lock,pthread, 1206 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1], 1207 [Have pthread_mutex_lock])) 1208 AC_SEARCH_LIBS(pthread_rwlock_init,pthread, 1209 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1], 1210 [Have pthread_rwlock_init])) 1211 AC_SEARCH_LIBS(pthread_getspecific,pthread, 1212 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1], 1213 [Have pthread_getspecific])) 1214fi 1215 1216dnl Allow extra x86-disassembler library 1217AC_ARG_WITH(udis86, 1218 AS_HELP_STRING([--with-udis86=<path>], 1219 [Use udis86 external x86 disassembler library]), 1220 [ 1221 AC_SUBST(USE_UDIS86, [1]) 1222 case "$withval" in 1223 /usr/lib|yes) ;; 1224 *) LDFLAGS="$LDFLAGS -L${withval}" ;; 1225 esac 1226 AC_CHECK_LIB(udis86, ud_init, [], [ 1227 echo "Error! You need to have libudis86 around." 1228 exit -1 1229 ]) 1230 ], 1231 AC_SUBST(USE_UDIS86, [0])) 1232AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86, 1233 [Define if use udis86 library]) 1234 1235dnl Allow OProfile support for JIT output. 1236AC_ARG_WITH(oprofile, 1237 AS_HELP_STRING([--with-oprofile=<prefix>], 1238 [Tell OProfile >= 0.9.4 how to symbolize JIT output]), 1239 [ 1240 AC_SUBST(USE_OPROFILE, [1]) 1241 case "$withval" in 1242 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;; 1243 no) llvm_cv_oppath= 1244 AC_SUBST(USE_OPROFILE, [0]) ;; 1245 *) llvm_cv_oppath="${withval}/lib/oprofile" 1246 CPPFLAGS="-I${withval}/include";; 1247 esac 1248 case $llvm_cv_os_type in 1249 Linux) 1250 if test -n "$llvm_cv_oppath" ; then 1251 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}" 1252 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744: 1253 dnl libbfd is not included properly in libopagent in some Debian 1254 dnl versions. If libbfd isn't found at all, we assume opagent works 1255 dnl anyway. 1256 AC_SEARCH_LIBS(bfd_init, bfd, [], []) 1257 AC_SEARCH_LIBS(op_open_agent, opagent, [], [ 1258 echo "Error! You need to have libopagent around." 1259 exit -1 1260 ]) 1261 AC_CHECK_HEADER([opagent.h], [], [ 1262 echo "Error! You need to have opagent.h around." 1263 exit -1 1264 ]) 1265 fi ;; 1266 *) 1267 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;; 1268 esac 1269 ], 1270 [ 1271 AC_SUBST(USE_OPROFILE, [0]) 1272 ]) 1273AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE, 1274 [Define if we have the oprofile JIT-support library]) 1275 1276dnl Enable support for Intel JIT Events API. 1277AC_ARG_WITH(intel-jitevents, 1278 AS_HELP_STRING([--with-intel-jitevents=<vtune-amplifier-dir>], 1279 [Specify location of run-time support library for Intel JIT API (default=/opt/intel/vtune_amplifier_xe_2011)]), 1280 [ 1281 case $llvm_cv_os_type in 1282 Linux|Win32|Cygwin|MingW) ;; 1283 *) 1284 AC_MSG_ERROR([ 1285 Intel JIT API support is available on Linux and Windows only."]) ;; 1286 esac 1287 1288 AC_SUBST(USE_INTEL_JITEVENTS, [1]) 1289 case "$llvm_cv_target_arch" in 1290 x86) llvm_intel_jitevents_archdir="lib32";; 1291 x86_64) llvm_intel_jitevents_archdir="lib64";; 1292 *) echo "Target architecture $llvm_cv_target_arch does not support Intel JIT Events API" 1293 exit -1;; 1294 esac 1295 INTEL_JITEVENTS_INCDIR="/opt/intel/vtune_amplifier_xe_2011/include" 1296 INTEL_JITEVENTS_LIBDIR="/opt/intel/vtune_amplifier_xe_2011/$llvm_intel_jitevents_archdir" 1297 case "$withval" in 1298 /* | [[A-Za-z]]:[[\\/]]*) INTEL_JITEVENTS_INCDIR=$withval/include 1299 INTEL_JITEVENTS_LIBDIR=$withval/$llvm_intel_jitevents_archdir ;; 1300 *) ;; 1301 esac 1302 1303 AC_SUBST(INTEL_JITEVENTS_INCDIR) 1304 AC_SUBST(INTEL_JITEVENTS_LIBDIR) 1305 1306 LIBS="$LIBS -L${INTEL_JITEVENTS_LIBDIR}" 1307 CPPFLAGS="$CPPFLAGS -I$INTEL_JITEVENTS_INCDIR" 1308 1309 AC_SEARCH_LIBS(iJIT_IsProfilingActive, jitprofiling, [], [ 1310 echo "Error! Cannot find libjitprofiling.a. Please check path specified in flag --with-intel-jitevents" 1311 exit -1 1312 ]) 1313 AC_CHECK_HEADER([jitprofiling.h], [], [ 1314 echo "Error! Cannot find jitprofiling.h. Please check path specified in flag --with-intel-jitevents" 1315 exit -1 1316 ]) 1317 1318 ], 1319 [ 1320 AC_SUBST(USE_INTEL_JITEVENTS, [0]) 1321 ]) 1322AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS, 1323 [Define if we have the Intel JIT API runtime support library]) 1324 1325dnl Check for libxml2 1326dnl Right now we're just checking for the existence, we could also check for a 1327dnl particular version via --version on xml2-config 1328AC_CHECK_PROGS(XML2CONFIG, xml2-config) 1329 1330AC_MSG_CHECKING(for libxml2 includes) 1331if test "x$XML2CONFIG" = "x"; then 1332 AC_MSG_RESULT(xml2-config not found) 1333else 1334 LIBXML2_INC=`$XML2CONFIG --cflags` 1335 AC_MSG_RESULT($LIBXML2_INC) 1336 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2]) 1337 LIBXML2_LIBS="-lxml2"]) 1338fi 1339AC_SUBST(LIBXML2_LIBS) 1340AC_SUBST(LIBXML2_INC) 1341 1342dnl===-----------------------------------------------------------------------=== 1343dnl=== 1344dnl=== SECTION 6: Check for header files 1345dnl=== 1346dnl===-----------------------------------------------------------------------=== 1347 1348dnl First, use autoconf provided macros for specific headers that we need 1349dnl We don't check for ancient stuff or things that are guaranteed to be there 1350dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers. 1351dnl Generally we're looking for POSIX headers. 1352AC_HEADER_DIRENT 1353AC_HEADER_MMAP_ANONYMOUS 1354AC_HEADER_STAT 1355AC_HEADER_SYS_WAIT 1356AC_HEADER_TIME 1357 1358AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h]) 1359AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h]) 1360AC_CHECK_HEADERS([utime.h windows.h]) 1361AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h]) 1362AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h]) 1363AC_CHECK_HEADERS([valgrind/valgrind.h]) 1364AC_CHECK_HEADERS([fenv.h]) 1365if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1366 AC_CHECK_HEADERS(pthread.h, 1367 AC_SUBST(HAVE_PTHREAD, 1), 1368 AC_SUBST(HAVE_PTHREAD, 0)) 1369else 1370 AC_SUBST(HAVE_PTHREAD, 0) 1371fi 1372 1373dnl Try to find ffi.h. 1374if test "$llvm_cv_enable_libffi" = "yes" ; then 1375 AC_CHECK_HEADERS([ffi.h ffi/ffi.h]) 1376fi 1377 1378dnl Try to find Darwin specific crash reporting libraries. 1379AC_CHECK_HEADERS([CrashReporterClient.h]) 1380 1381dnl Try to find Darwin specific crash reporting global. 1382AC_MSG_CHECKING([__crashreporter_info__]) 1383AC_LINK_IFELSE( 1384 AC_LANG_SOURCE( 1385 [[extern const char *__crashreporter_info__; 1386 int main() { 1387 __crashreporter_info__ = "test"; 1388 return 0; 1389 } 1390 ]]), 1391 AC_MSG_RESULT(yes) 1392 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__), 1393 AC_MSG_RESULT(no) 1394 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0, 1395 Define if __crashreporter_info__ exists.)) 1396 1397dnl===-----------------------------------------------------------------------=== 1398dnl=== 1399dnl=== SECTION 7: Check for types and structures 1400dnl=== 1401dnl===-----------------------------------------------------------------------=== 1402 1403AC_HUGE_VAL_CHECK 1404AC_TYPE_PID_T 1405AC_TYPE_SIZE_T 1406AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').]) 1407AC_STRUCT_TM 1408AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found])) 1409AC_CHECK_TYPES([uint64_t],, 1410 AC_CHECK_TYPES([u_int64_t],, 1411 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found]))) 1412 1413dnl===-----------------------------------------------------------------------=== 1414dnl=== 1415dnl=== SECTION 8: Check for specific functions needed 1416dnl=== 1417dnl===-----------------------------------------------------------------------=== 1418 1419AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ]) 1420AC_CHECK_FUNCS([powf fmodf strtof round ]) 1421AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ]) 1422AC_CHECK_FUNCS([isatty mkdtemp mkstemp ]) 1423AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ]) 1424AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ]) 1425AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ]) 1426AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev]) 1427AC_C_PRINTF_A 1428AC_FUNC_RAND48 1429 1430dnl Check the declaration "Secure API" on Windows environments. 1431AC_CHECK_DECLS([strerror_s]) 1432 1433dnl Check symbols in libgcc.a for JIT on Mingw. 1434if test "$llvm_cv_os_type" = "MingW" ; then 1435 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca])) 1436 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca])) 1437 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk])) 1438 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk])) 1439 1440 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3])) 1441 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3])) 1442 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3])) 1443 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi])) 1444 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi])) 1445 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf])) 1446 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3])) 1447 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3])) 1448 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3])) 1449 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3])) 1450 1451 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main])) 1452 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2])) 1453fi 1454 1455dnl Check Win32 API EnumerateLoadedModules. 1456if test "$llvm_cv_os_type" = "MingW" ; then 1457 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl]) 1458 AC_COMPILE_IFELSE([[#include <windows.h> 1459#include <imagehlp.h> 1460extern void foo(PENUMLOADED_MODULES_CALLBACK); 1461extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]], 1462[ 1463 AC_MSG_RESULT([yes]) 1464 llvm_cv_win32_elmcb_pcstr="PCSTR" 1465], 1466[ 1467 AC_MSG_RESULT([no]) 1468 llvm_cv_win32_elmcb_pcstr="PSTR" 1469]) 1470 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback]) 1471fi 1472 1473dnl Check for variations in the Standard C++ library and STL. These macros are 1474dnl provided by LLVM in the autoconf/m4 directory. 1475AC_FUNC_ISNAN 1476AC_FUNC_ISINF 1477 1478dnl Check for mmap support.We also need to know if /dev/zero is required to 1479dnl be opened for allocating RWX memory. 1480dnl Make sure we aren't attempting to configure for an unknown system 1481if test "$llvm_cv_platform_type" = "Unix" ; then 1482 AC_FUNC_MMAP 1483 AC_FUNC_MMAP_FILE 1484 AC_NEED_DEV_ZERO_FOR_MMAP 1485 1486 if test "$ac_cv_func_mmap_fixed_mapped" = "no" 1487 then 1488 AC_MSG_WARN([mmap() of a fixed address required but not supported]) 1489 fi 1490 if test "$ac_cv_func_mmap_file" = "no" 1491 then 1492 AC_MSG_WARN([mmap() of files required but not found]) 1493 fi 1494fi 1495 1496dnl atomic builtins are required for threading support. 1497AC_MSG_CHECKING(for GCC atomic builtins) 1498dnl Since we'll be using these atomic builtins in C++ files we should test 1499dnl the C++ compiler. 1500AC_LANG_PUSH([C++]) 1501AC_LINK_IFELSE( 1502 AC_LANG_SOURCE( 1503 [[int main() { 1504 volatile unsigned long val = 1; 1505 __sync_synchronize(); 1506 __sync_val_compare_and_swap(&val, 1, 0); 1507 __sync_add_and_fetch(&val, 1); 1508 __sync_sub_and_fetch(&val, 1); 1509 return 0; 1510 } 1511 ]]), 1512 AC_LANG_POP([C++]) 1513 AC_MSG_RESULT(yes) 1514 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics), 1515 AC_MSG_RESULT(no) 1516 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics) 1517 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])) 1518 1519dnl===-----------------------------------------------------------------------=== 1520dnl=== 1521dnl=== SECTION 9: Additional checks, variables, etc. 1522dnl=== 1523dnl===-----------------------------------------------------------------------=== 1524 1525dnl Handle 32-bit linux systems running a 64-bit kernel. 1526dnl This has to come after section 4 because it invokes the compiler. 1527if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then 1528 AC_IS_LINUX_MIXED 1529 if test "$llvm_cv_linux_mixed" = "yes"; then 1530 llvm_cv_target_arch="x86" 1531 ARCH="x86" 1532 fi 1533fi 1534 1535dnl Check whether __dso_handle is present 1536AC_CHECK_FUNCS([__dso_handle]) 1537 1538dnl Propagate the shared library extension that the libltdl checks did to 1539dnl the Makefiles so we can use it there too 1540AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext) 1541 1542dnl Propagate the run-time library path variable that the libltdl 1543dnl checks found to the Makefiles so we can use it there too 1544AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var) 1545 1546dnl Translate the various configuration directories and other basic 1547dnl information into substitutions that will end up in Makefile.config.in 1548dnl that these configured values can be used by the makefiles 1549if test "${prefix}" = "NONE" ; then 1550 prefix="/usr/local" 1551fi 1552eval LLVM_PREFIX="${prefix}"; 1553eval LLVM_BINDIR="${prefix}/bin"; 1554eval LLVM_LIBDIR="${prefix}/lib"; 1555eval LLVM_DATADIR="${prefix}/share/llvm"; 1556eval LLVM_DOCSDIR="${prefix}/share/doc/llvm"; 1557eval LLVM_ETCDIR="${prefix}/etc/llvm"; 1558eval LLVM_INCLUDEDIR="${prefix}/include"; 1559eval LLVM_INFODIR="${prefix}/info"; 1560eval LLVM_MANDIR="${prefix}/man"; 1561LLVM_CONFIGTIME=`date` 1562AC_SUBST(LLVM_PREFIX) 1563AC_SUBST(LLVM_BINDIR) 1564AC_SUBST(LLVM_LIBDIR) 1565AC_SUBST(LLVM_DATADIR) 1566AC_SUBST(LLVM_DOCSDIR) 1567AC_SUBST(LLVM_ETCDIR) 1568AC_SUBST(LLVM_INCLUDEDIR) 1569AC_SUBST(LLVM_INFODIR) 1570AC_SUBST(LLVM_MANDIR) 1571AC_SUBST(LLVM_CONFIGTIME) 1572 1573dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS. 1574if test "${ENABLE_TIMESTAMPS}" = "0"; then 1575 LLVM_CONFIGTIME="(timestamp not enabled)" 1576fi 1577 1578dnl Place the various directories into the config.h file as #defines so that we 1579dnl can know about the installation paths within LLVM. 1580AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", 1581 [Installation prefix directory]) 1582AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", 1583 [Installation directory for binary executables]) 1584AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", 1585 [Installation directory for libraries]) 1586AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", 1587 [Installation directory for data files]) 1588AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR", 1589 [Installation directory for documentation]) 1590AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", 1591 [Installation directory for config files]) 1592AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", 1593 [Installation directory for include files]) 1594AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", 1595 [Installation directory for .info files]) 1596AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", 1597 [Installation directory for man pages]) 1598AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", 1599 [Time at which LLVM was configured]) 1600AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host", 1601 [Host triple LLVM will be executed on]) 1602AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target", 1603 [Target triple LLVM will generate code for by default]) 1604 1605dnl Determine which bindings to build. 1606if test "$BINDINGS_TO_BUILD" = auto ; then 1607 BINDINGS_TO_BUILD="" 1608 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then 1609 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" 1610 fi 1611fi 1612AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD) 1613 1614dnl This isn't really configurey, but it avoids having to repeat the list in 1615dnl other files. 1616AC_SUBST(ALL_BINDINGS,ocaml) 1617 1618dnl Do any work necessary to ensure that bindings have what they need. 1619binding_prereqs_failed=0 1620for a_binding in $BINDINGS_TO_BUILD ; do 1621 case "$a_binding" in 1622 ocaml) 1623 if test "x$OCAMLC" = x ; then 1624 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc]) 1625 binding_prereqs_failed=1 1626 fi 1627 if test "x$OCAMLDEP" = x ; then 1628 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep]) 1629 binding_prereqs_failed=1 1630 fi 1631 if test "x$OCAMLOPT" = x ; then 1632 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt]) 1633 dnl ocamlopt is optional! 1634 fi 1635 if test "x$with_ocaml_libdir" != xauto ; then 1636 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir) 1637 else 1638 ocaml_stdlib="`"$OCAMLC" -where`" 1639 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~" 1640 then 1641 # ocaml stdlib is beneath our prefix; use stdlib 1642 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib) 1643 else 1644 # ocaml stdlib is outside our prefix; use libdir/ocaml 1645 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml) 1646 fi 1647 fi 1648 ;; 1649 esac 1650done 1651if test "$binding_prereqs_failed" = 1 ; then 1652 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.]) 1653fi 1654 1655dnl Determine whether the compiler supports -fvisibility-inlines-hidden. 1656AC_CXX_USE_VISIBILITY_INLINES_HIDDEN 1657 1658dnl Determine linker rpath flag 1659if test "$llvm_cv_link_use_r" = "yes" ; then 1660 RPATH="-Wl,-R" 1661else 1662 RPATH="-Wl,-rpath" 1663fi 1664AC_SUBST(RPATH) 1665 1666dnl Determine linker rdynamic flag 1667if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then 1668 RDYNAMIC="-Wl,-export-dynamic" 1669else 1670 RDYNAMIC="" 1671fi 1672AC_SUBST(RDYNAMIC) 1673 1674dnl===-----------------------------------------------------------------------=== 1675dnl=== 1676dnl=== SECTION 10: Specify the output files and generate it 1677dnl=== 1678dnl===-----------------------------------------------------------------------=== 1679 1680dnl Configure header files 1681dnl WARNING: dnl If you add or remove any of the following config headers, then 1682dnl you MUST also update Makefile so that the variable FilesToConfig 1683dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the 1684dnl files can be updated automatically when their *.in sources change. 1685AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h]) 1686AH_TOP([#ifndef CONFIG_H 1687#define CONFIG_H]) 1688AH_BOTTOM([#endif]) 1689 1690AC_CONFIG_FILES([include/llvm/Config/Targets.def]) 1691AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def]) 1692AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def]) 1693AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def]) 1694AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h]) 1695 1696dnl Configure the makefile's configuration data 1697AC_CONFIG_FILES([Makefile.config]) 1698 1699dnl Configure the RPM spec file for LLVM 1700AC_CONFIG_FILES([llvm.spec]) 1701 1702dnl Configure doxygen's configuration file 1703AC_CONFIG_FILES([docs/doxygen.cfg]) 1704 1705dnl Configure clang, if present 1706if test "${clang_src_root}" = ""; then 1707 clang_src_root="$srcdir/tools/clang" 1708fi 1709if test -f ${clang_src_root}/README.txt; then 1710 dnl Use variables to stay under 80 columns. 1711 configh="include/clang/Config/config.h" 1712 doxy="docs/doxygen.cfg" 1713 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in]) 1714 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in]) 1715fi 1716 1717dnl OCaml findlib META file 1718AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm]) 1719 1720dnl Do special configuration of Makefiles 1721AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"]) 1722AC_CONFIG_MAKEFILE(Makefile) 1723AC_CONFIG_MAKEFILE(Makefile.common) 1724AC_CONFIG_MAKEFILE(examples/Makefile) 1725AC_CONFIG_MAKEFILE(lib/Makefile) 1726AC_CONFIG_MAKEFILE(runtime/Makefile) 1727AC_CONFIG_MAKEFILE(test/Makefile) 1728AC_CONFIG_MAKEFILE(test/Makefile.tests) 1729AC_CONFIG_MAKEFILE(unittests/Makefile) 1730AC_CONFIG_MAKEFILE(tools/Makefile) 1731AC_CONFIG_MAKEFILE(utils/Makefile) 1732AC_CONFIG_MAKEFILE(projects/Makefile) 1733AC_CONFIG_MAKEFILE(bindings/Makefile) 1734AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml) 1735 1736dnl Finally, crank out the output 1737AC_OUTPUT 1738