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],[3.1svn],[http://llvm.org/bugs/]) 35AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API]) 36AC_DEFINE([LLVM_VERSION_MINOR], [1], [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 $target in 361 i?86-*) llvm_cv_target_arch="x86" ;; 362 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;; 363 sparc*-*) llvm_cv_target_arch="Sparc" ;; 364 powerpc*-*) llvm_cv_target_arch="PowerPC" ;; 365 arm*-*) llvm_cv_target_arch="ARM" ;; 366 mips-*) llvm_cv_target_arch="Mips" ;; 367 mipsel-*) llvm_cv_target_arch="Mips" ;; 368 xcore-*) llvm_cv_target_arch="XCore" ;; 369 msp430-*) llvm_cv_target_arch="MSP430" ;; 370 hexagon-*) llvm_cv_target_arch="Hexagon" ;; 371 mblaze-*) llvm_cv_target_arch="MBlaze" ;; 372 ptx-*) llvm_cv_target_arch="PTX" ;; 373 *) llvm_cv_target_arch="Unknown" ;; 374esac]) 375 376if test "$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,$llvm_cv_target_arch) 389 390dnl Check for the endianness of the target 391AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little])) 392 393dnl Check for build platform executable suffix if we're cross-compiling 394if test "$cross_compiling" = yes; then 395 AC_SUBST(LLVM_CROSS_COMPILING, [1]) 396 AC_BUILD_EXEEXT 397 ac_build_prefix=${build_alias}- 398 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++) 399 if test -z "$BUILD_CXX"; then 400 AC_CHECK_PROG(BUILD_CXX, g++, g++) 401 if test -z "$BUILD_CXX"; then 402 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++) 403 fi 404 fi 405else 406 AC_SUBST(LLVM_CROSS_COMPILING, [0]) 407fi 408 409dnl Check to see if there's a .svn or .git directory indicating that this 410dnl build is being done from a checkout. This sets up several defaults for 411dnl the command line switches. When we build with a checkout directory, 412dnl we get a debug with assertions turned on. Without, we assume a source 413dnl release and we get an optimized build without assertions. 414dnl See --enable-optimized and --enable-assertions below 415if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then 416 cvsbuild="yes" 417 optimize="no" 418 AC_SUBST(CVSBUILD,[[CVSBUILD=1]]) 419else 420 cvsbuild="no" 421 optimize="yes" 422fi 423 424dnl===-----------------------------------------------------------------------=== 425dnl=== 426dnl=== SECTION 3: Command line arguments for the configure script. 427dnl=== 428dnl===-----------------------------------------------------------------------=== 429 430dnl --enable-libcpp : check whether or not to use libc++ on the command line 431AC_ARG_ENABLE(libcpp, 432 AS_HELP_STRING([--enable-libcpp], 433 [Use libc++ if available (default is NO)]),, 434 enableval=default) 435case "$enableval" in 436 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;; 437 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;; 438 default) AC_SUBST(ENABLE_LIBCPP,[0]);; 439 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;; 440esac 441 442dnl --enable-optimized : check whether they want to do an optimized build: 443AC_ARG_ENABLE(optimized, AS_HELP_STRING( 444 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize) 445if test ${enableval} = "no" ; then 446 AC_SUBST(ENABLE_OPTIMIZED,[[]]) 447else 448 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]]) 449fi 450 451dnl --enable-profiling : check whether they want to do a profile build: 452AC_ARG_ENABLE(profiling, AS_HELP_STRING( 453 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no") 454if test ${enableval} = "no" ; then 455 AC_SUBST(ENABLE_PROFILING,[[]]) 456else 457 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]]) 458fi 459 460dnl --enable-assertions : check whether they want to turn on assertions or not: 461AC_ARG_ENABLE(assertions,AS_HELP_STRING( 462 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes") 463if test ${enableval} = "yes" ; then 464 AC_SUBST(DISABLE_ASSERTIONS,[[]]) 465else 466 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]]) 467fi 468 469dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks: 470AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING( 471 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no") 472if test ${enableval} = "yes" ; then 473 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]]) 474 AC_SUBST(EXPENSIVE_CHECKS,[[yes]]) 475else 476 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]]) 477 AC_SUBST(EXPENSIVE_CHECKS,[[no]]) 478fi 479 480dnl --enable-debug-runtime : should runtime libraries have debug symbols? 481AC_ARG_ENABLE(debug-runtime, 482 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no) 483if test ${enableval} = "no" ; then 484 AC_SUBST(DEBUG_RUNTIME,[[]]) 485else 486 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]]) 487fi 488 489dnl --enable-debug-symbols : should even optimized compiler libraries 490dnl have debug symbols? 491AC_ARG_ENABLE(debug-symbols, 492 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) 493if test ${enableval} = "no" ; then 494 AC_SUBST(DEBUG_SYMBOLS,[[]]) 495else 496 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]]) 497fi 498 499dnl --enable-jit: check whether they want to enable the jit 500AC_ARG_ENABLE(jit, 501 AS_HELP_STRING(--enable-jit, 502 [Enable Just In Time Compiling (default is YES)]),, 503 enableval=default) 504if test ${enableval} = "no" 505then 506 AC_SUBST(JIT,[[]]) 507else 508 case "$llvm_cv_target_arch" in 509 x86) AC_SUBST(TARGET_HAS_JIT,1) ;; 510 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;; 511 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;; 512 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;; 513 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;; 514 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;; 515 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;; 516 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;; 517 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;; 518 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;; 519 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;; 520 *) AC_SUBST(TARGET_HAS_JIT,0) ;; 521 esac 522fi 523 524dnl Allow enablement of building and installing docs 525AC_ARG_ENABLE(docs, 526 AS_HELP_STRING([--enable-docs], 527 [Build documents (default is YES)]),, 528 enableval=default) 529case "$enableval" in 530 yes) AC_SUBST(ENABLE_DOCS,[1]) ;; 531 no) AC_SUBST(ENABLE_DOCS,[0]) ;; 532 default) AC_SUBST(ENABLE_DOCS,[1]) ;; 533 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;; 534esac 535 536dnl Allow enablement of doxygen generated documentation 537AC_ARG_ENABLE(doxygen, 538 AS_HELP_STRING([--enable-doxygen], 539 [Build doxygen documentation (default is NO)]),, 540 enableval=default) 541case "$enableval" in 542 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;; 543 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 544 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 545 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;; 546esac 547 548dnl Allow disablement of threads 549AC_ARG_ENABLE(threads, 550 AS_HELP_STRING([--enable-threads], 551 [Use threads if available (default is YES)]),, 552 enableval=default) 553case "$enableval" in 554 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; 555 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;; 556 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; 557 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;; 558esac 559AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS, 560 [Define if threads enabled]) 561 562dnl Allow disablement of pthread.h 563AC_ARG_ENABLE(pthreads, 564 AS_HELP_STRING([--enable-pthreads], 565 [Use pthreads if available (default is YES)]),, 566 enableval=default) 567case "$enableval" in 568 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 569 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;; 570 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 571 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;; 572esac 573 574dnl Allow building without position independent code 575AC_ARG_ENABLE(pic, 576 AS_HELP_STRING([--enable-pic], 577 [Build LLVM with Position Independent Code (default is YES)]),, 578 enableval=default) 579case "$enableval" in 580 yes) AC_SUBST(ENABLE_PIC,[1]) ;; 581 no) AC_SUBST(ENABLE_PIC,[0]) ;; 582 default) AC_SUBST(ENABLE_PIC,[1]) ;; 583 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;; 584esac 585AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC, 586 [Define if position independent code is enabled]) 587 588dnl Allow building a shared library and linking tools against it. 589AC_ARG_ENABLE(shared, 590 AS_HELP_STRING([--enable-shared], 591 [Build a shared library and link tools against it (default is NO)]),, 592 enableval=default) 593case "$enableval" in 594 yes) AC_SUBST(ENABLE_SHARED,[1]) ;; 595 no) AC_SUBST(ENABLE_SHARED,[0]) ;; 596 default) AC_SUBST(ENABLE_SHARED,[0]) ;; 597 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;; 598esac 599 600dnl Allow libstdc++ is embedded in LLVM.dll. 601AC_ARG_ENABLE(embed-stdcxx, 602 AS_HELP_STRING([--enable-embed-stdcxx], 603 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),, 604 enableval=default) 605case "$enableval" in 606 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;; 607 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 608 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 609 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;; 610esac 611 612dnl Enable embedding timestamp information into build. 613AC_ARG_ENABLE(timestamps, 614 AS_HELP_STRING([--enable-timestamps], 615 [Enable embedding timestamp information in build (default is YES)]),, 616 enableval=default) 617case "$enableval" in 618 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 619 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;; 620 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 621 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;; 622esac 623AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS, 624 [Define if timestamp information (e.g., __DATE___) is allowed]) 625 626dnl Allow specific targets to be specified for building (or not) 627TARGETS_TO_BUILD="" 628AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets], 629 [Build specific host targets: all or target1,target2,... Valid targets are: 630 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon, 631 xcore, msp430, ptx, and cpp (default=all)]),, 632 enableval=all) 633if test "$enableval" = host-only ; then 634 enableval=host 635fi 636case "$enableval" in 637 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CppBackend MBlaze PTX Hexagon" ;; 638 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do 639 case "$a_target" in 640 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 641 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 642 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 643 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 644 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 645 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 646 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 647 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;; 648 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 649 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 650 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;; 651 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; 652 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;; 653 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;; 654 host) case "$llvm_cv_target_arch" in 655 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 656 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 657 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 658 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 659 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 660 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 661 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;; 662 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;; 663 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 664 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 665 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; 666 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;; 667 *) AC_MSG_ERROR([Can not set target to build]) ;; 668 esac ;; 669 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;; 670 esac 671 done 672 ;; 673esac 674AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD) 675 676dnl Determine whether we are building LLVM support for the native architecture. 677dnl If so, define LLVM_NATIVE_ARCH to that LLVM target. 678for a_target in $TARGETS_TO_BUILD; do 679 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then 680 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH, 681 [LLVM architecture name for the native architecture, if available]) 682 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target" 683 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo" 684 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC" 685 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter" 686 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 687 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser" 688 fi 689 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then 690 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler" 691 fi 692 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET, 693 [LLVM name for the native Target init function, if available]) 694 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO, 695 [LLVM name for the native TargetInfo init function, if available]) 696 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC, 697 [LLVM name for the native target MC init function, if available]) 698 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER, 699 [LLVM name for the native AsmPrinter init function, if available]) 700 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 701 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER, 702 [LLVM name for the native AsmParser init function, if available]) 703 fi 704 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then 705 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER, 706 [LLVM name for the native Disassembler init function, if available]) 707 fi 708 fi 709done 710 711dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual 712dnl target feature def files. 713LLVM_ENUM_TARGETS="" 714LLVM_ENUM_ASM_PRINTERS="" 715LLVM_ENUM_ASM_PARSERS="" 716LLVM_ENUM_DISASSEMBLERS="" 717for target_to_build in $TARGETS_TO_BUILD; do 718 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS" 719 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then 720 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS"; 721 fi 722 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then 723 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS"; 724 fi 725 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then 726 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS"; 727 fi 728done 729AC_SUBST(LLVM_ENUM_TARGETS) 730AC_SUBST(LLVM_ENUM_ASM_PRINTERS) 731AC_SUBST(LLVM_ENUM_ASM_PARSERS) 732AC_SUBST(LLVM_ENUM_DISASSEMBLERS) 733 734dnl Override the option to use for optimized builds. 735AC_ARG_WITH(optimize-option, 736 AS_HELP_STRING([--with-optimize-option], 737 [Select the compiler options to use for optimized builds]),, 738 withval=default) 739AC_MSG_CHECKING([optimization flags]) 740case "$withval" in 741 default) 742 case "$llvm_cv_os_type" in 743 FreeBSD) optimize_option=-O2 ;; 744 MingW) optimize_option=-O2 ;; 745 *) optimize_option=-O3 ;; 746 esac ;; 747 *) optimize_option="$withval" ;; 748esac 749AC_SUBST(OPTIMIZE_OPTION,$optimize_option) 750AC_MSG_RESULT([$optimize_option]) 751 752dnl Specify extra build options 753AC_ARG_WITH(extra-options, 754 AS_HELP_STRING([--with-extra-options], 755 [Specify additional options to compile LLVM with]),, 756 withval=default) 757case "$withval" in 758 default) EXTRA_OPTIONS= ;; 759 *) EXTRA_OPTIONS=$withval ;; 760esac 761AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS) 762 763dnl Specify extra linker build options 764AC_ARG_WITH(extra-ld-options, 765 AS_HELP_STRING([--with-extra-ld-options], 766 [Specify additional options to link LLVM with]),, 767 withval=default) 768case "$withval" in 769 default) EXTRA_LD_OPTIONS= ;; 770 *) EXTRA_LD_OPTIONS=$withval ;; 771esac 772AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS) 773 774dnl Allow specific bindings to be specified for building (or not) 775AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings], 776 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),, 777 enableval=default) 778BINDINGS_TO_BUILD="" 779case "$enableval" in 780 yes | default | auto) BINDINGS_TO_BUILD="auto" ;; 781 all ) BINDINGS_TO_BUILD="ocaml" ;; 782 none | no) BINDINGS_TO_BUILD="" ;; 783 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do 784 case "$a_binding" in 785 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;; 786 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;; 787 esac 788 done 789 ;; 790esac 791 792dnl Allow the ocaml libdir to be overridden. This could go in a configure 793dnl script for bindings/ocaml/configure, except that its auto value depends on 794dnl OCAMLC, which is found here to support tests. 795AC_ARG_WITH([ocaml-libdir], 796 [AS_HELP_STRING([--with-ocaml-libdir], 797 [Specify install location for ocaml bindings (default is stdlib)])], 798 [], 799 [withval=auto]) 800case "$withval" in 801 auto) with_ocaml_libdir="$withval" ;; 802 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;; 803 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;; 804esac 805 806AC_ARG_WITH(clang-srcdir, 807 AS_HELP_STRING([--with-clang-srcdir], 808 [Directory to the out-of-tree Clang source]),, 809 withval="-") 810case "$withval" in 811 -) clang_src_root="" ;; 812 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;; 813 *) clang_src_root="$ac_pwd/$withval" ;; 814esac 815AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root]) 816 817AC_ARG_WITH(clang-resource-dir, 818 AS_HELP_STRING([--with-clang-resource-dir], 819 [Relative directory from the Clang binary for resource files]),, 820 withval="") 821AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval", 822 [Relative directory for resource files]) 823 824AC_ARG_WITH(c-include-dirs, 825 AS_HELP_STRING([--with-c-include-dirs], 826 [Colon separated list of directories clang will search for headers]),, 827 withval="") 828AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval", 829 [Directories clang will search for headers]) 830 831# Clang normally uses the system c++ headers and libraries. With this option, 832# clang will use the ones provided by a gcc installation instead. This option should 833# be passed the same value that was used with --prefix when configuring gcc. 834AC_ARG_WITH(gcc-toolchain, 835 AS_HELP_STRING([--with-gcc-toolchain], 836 [Directory where gcc is installed.]),, 837 withval="") 838AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval", 839 [Directory where gcc is installed.]) 840 841AC_ARG_WITH(sysroot, 842 AS_HELP_STRING([--with-default-sysroot], 843 [Add --sysroot=<path> to all compiler invocations.]),, 844 withval="") 845AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval", 846 [Default <path> to all compiler invocations for --sysroot=<path>.]) 847 848dnl Allow linking of LLVM with GPLv3 binutils code. 849AC_ARG_WITH(binutils-include, 850 AS_HELP_STRING([--with-binutils-include], 851 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),, 852 withval=default) 853case "$withval" in 854 default) WITH_BINUTILS_INCDIR=default ;; 855 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;; 856 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;; 857esac 858if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then 859 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR) 860 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then 861 echo "$WITH_BINUTILS_INCDIR/plugin-api.h" 862 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]); 863 fi 864fi 865 866dnl Specify the URL where bug reports should be submitted. 867AC_ARG_WITH(bug-report-url, 868 AS_HELP_STRING([--with-bug-report-url], 869 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),, 870 withval="http://llvm.org/bugs/") 871AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval", 872 [Bug report URL.]) 873 874dnl --enable-libffi : check whether the user wants to turn off libffi: 875AC_ARG_ENABLE(libffi,AS_HELP_STRING( 876 --enable-libffi,[Check for the presence of libffi (default is NO)]), 877 [case "$enableval" in 878 yes) llvm_cv_enable_libffi="yes" ;; 879 no) llvm_cv_enable_libffi="no" ;; 880 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;; 881 esac], 882 llvm_cv_enable_libffi=no) 883 884AC_ARG_WITH(internal-prefix, 885 AS_HELP_STRING([--with-internal-prefix], 886 [Installation directory for internal files]),, 887 withval="") 888AC_SUBST(INTERNAL_PREFIX,[$withval]) 889 890dnl===-----------------------------------------------------------------------=== 891dnl=== 892dnl=== SECTION 4: Check for programs we need and that they are the right version 893dnl=== 894dnl===-----------------------------------------------------------------------=== 895 896AC_PROG_NM 897AC_SUBST(NM) 898 899dnl Check for the tools that the makefiles require 900AC_CHECK_GNU_MAKE 901AC_PROG_LN_S 902AC_PATH_PROG(CMP, [cmp], [cmp]) 903AC_PATH_PROG(CP, [cp], [cp]) 904AC_PATH_PROG(DATE, [date], [date]) 905AC_PATH_PROG(FIND, [find], [find]) 906AC_PATH_PROG(GREP, [grep], [grep]) 907AC_PATH_PROG(MKDIR,[mkdir],[mkdir]) 908AC_PATH_PROG(MV, [mv], [mv]) 909AC_PROG_RANLIB 910AC_CHECK_TOOL(AR, ar, false) 911AC_PATH_PROG(RM, [rm], [rm]) 912AC_PATH_PROG(SED, [sed], [sed]) 913AC_PATH_PROG(TAR, [tar], [gtar]) 914AC_PATH_PROG(BINPWD,[pwd], [pwd]) 915 916dnl Looking for misc. graph plotting software 917AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz]) 918if test "$GRAPHVIZ" != "echo Graphviz" ; then 919 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available]) 920 dnl If we're targeting for mingw we should emit windows paths, not msys 921 if test "$llvm_cv_os_type" = "MingW" ; then 922 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 923 fi 924 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}", 925 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise]) 926fi 927AC_PATH_PROG(DOT, [dot], [echo dot]) 928if test "$DOT" != "echo dot" ; then 929 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available]) 930 dnl If we're targeting for mingw we should emit windows paths, not msys 931 if test "$llvm_cv_os_type" = "MingW" ; then 932 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 933 fi 934 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}", 935 [Define to path to dot program if found or 'echo dot' otherwise]) 936fi 937AC_PATH_PROG(FDP, [fdp], [echo fdp]) 938if test "$FDP" != "echo fdp" ; then 939 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available]) 940 dnl If we're targeting for mingw we should emit windows paths, not msys 941 if test "$llvm_cv_os_type" = "MingW" ; then 942 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 943 fi 944 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}", 945 [Define to path to fdp program if found or 'echo fdp' otherwise]) 946fi 947AC_PATH_PROG(NEATO, [neato], [echo neato]) 948if test "$NEATO" != "echo neato" ; then 949 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available]) 950 dnl If we're targeting for mingw we should emit windows paths, not msys 951 if test "$llvm_cv_os_type" = "MingW" ; then 952 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 953 fi 954 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}", 955 [Define to path to neato program if found or 'echo neato' otherwise]) 956fi 957AC_PATH_PROG(TWOPI, [twopi], [echo twopi]) 958if test "$TWOPI" != "echo twopi" ; then 959 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available]) 960 dnl If we're targeting for mingw we should emit windows paths, not msys 961 if test "$llvm_cv_os_type" = "MingW" ; then 962 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 963 fi 964 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}", 965 [Define to path to twopi program if found or 'echo twopi' otherwise]) 966fi 967AC_PATH_PROG(CIRCO, [circo], [echo circo]) 968if test "$CIRCO" != "echo circo" ; then 969 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available]) 970 dnl If we're targeting for mingw we should emit windows paths, not msys 971 if test "$llvm_cv_os_type" = "MingW" ; then 972 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 973 fi 974 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}", 975 [Define to path to circo program if found or 'echo circo' otherwise]) 976fi 977AC_PATH_PROGS(GV, [gv gsview32], [echo gv]) 978if test "$GV" != "echo gv" ; then 979 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available]) 980 dnl If we're targeting for mingw we should emit windows paths, not msys 981 if test "$llvm_cv_os_type" = "MingW" ; then 982 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 983 fi 984 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}", 985 [Define to path to gv program if found or 'echo gv' otherwise]) 986fi 987AC_PATH_PROG(DOTTY, [dotty], [echo dotty]) 988if test "$DOTTY" != "echo dotty" ; then 989 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available]) 990 dnl If we're targeting for mingw we should emit windows paths, not msys 991 if test "$llvm_cv_os_type" = "MingW" ; then 992 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 993 fi 994 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}", 995 [Define to path to dotty program if found or 'echo dotty' otherwise]) 996fi 997AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py]) 998if test "$XDOT_PY" != "echo xdot.py" ; then 999 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available]) 1000 dnl If we're targeting for mingw we should emit windows paths, not msys 1001 if test "$llvm_cv_os_type" = "MingW" ; then 1002 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1003 fi 1004 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}", 1005 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise]) 1006fi 1007 1008dnl Find the install program 1009AC_PROG_INSTALL 1010dnl Prepend src dir to install path dir if it's a relative path 1011dnl This is a hack for installs that take place in something other 1012dnl than the top level. 1013case "$INSTALL" in 1014 [[\\/$]]* | ?:[[\\/]]* ) ;; 1015 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;; 1016esac 1017 1018dnl Checks for documentation and testing tools that we can do without. If these 1019dnl are not found then they are set to "true" which always succeeds but does 1020dnl nothing. This just lets the build output show that we could have done 1021dnl something if the tool was available. 1022AC_PATH_PROG(BZIP2, [bzip2]) 1023AC_PATH_PROG(CAT, [cat]) 1024AC_PATH_PROG(DOXYGEN, [doxygen]) 1025AC_PATH_PROG(GROFF, [groff]) 1026AC_PATH_PROG(GZIPBIN, [gzip]) 1027AC_PATH_PROG(POD2HTML, [pod2html]) 1028AC_PATH_PROG(POD2MAN, [pod2man]) 1029AC_PATH_PROG(PDFROFF, [pdfroff]) 1030AC_PATH_PROG(RUNTEST, [runtest]) 1031DJ_AC_PATH_TCLSH 1032AC_PATH_PROG(ZIP, [zip]) 1033AC_PATH_PROGS(OCAMLC, [ocamlc]) 1034AC_PATH_PROGS(OCAMLOPT, [ocamlopt]) 1035AC_PATH_PROGS(OCAMLDEP, [ocamldep]) 1036AC_PATH_PROGS(OCAMLDOC, [ocamldoc]) 1037AC_PATH_PROGS(GAS, [gas as]) 1038 1039dnl Get the version of the linker in use. 1040AC_LINK_GET_VERSION 1041 1042dnl Determine whether the linker supports the -R option. 1043AC_LINK_USE_R 1044 1045dnl Determine whether the linker supports the -export-dynamic option. 1046AC_LINK_EXPORT_DYNAMIC 1047 1048dnl Determine whether the linker supports the --version-script option. 1049AC_LINK_VERSION_SCRIPT 1050 1051dnl Check for libtool and the library that has dlopen function (which must come 1052dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with 1053dnl libtool). 1054AC_LIBTOOL_DLOPEN 1055AC_LIB_LTDL 1056 1057AC_MSG_CHECKING([tool compatibility]) 1058 1059dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as 1060dnl ICC; we use GCC specific options in the makefiles so the compiler needs 1061dnl to support those options. 1062dnl "icc" emits gcc signatures 1063dnl "icc -no-gcc" emits no gcc signature BUT is still compatible 1064ICC=no 1065IXX=no 1066case $CC in 1067 icc*|icpc*) 1068 ICC=yes 1069 IXX=yes 1070 ;; 1071 *) 1072 ;; 1073esac 1074 1075if test "$GCC" != "yes" && test "$ICC" != "yes" 1076then 1077 AC_MSG_ERROR([gcc|icc required but not found]) 1078fi 1079 1080dnl Ensure that compilation tools are compatible with GCC extensions 1081if test "$GXX" != "yes" && test "$IXX" != "yes" 1082then 1083 AC_MSG_ERROR([g++|clang++|icc required but not found]) 1084fi 1085 1086dnl Verify that GCC is version 3.0 or higher 1087if test "$GCC" = "yes" 1088then 1089 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3 1090#error Unsupported GCC version 1091#endif 1092]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])]) 1093fi 1094 1095dnl Check for GNU Make. We use its extensions, so don't build without it 1096if test -z "$llvm_cv_gnu_make_command" 1097then 1098 AC_MSG_ERROR([GNU Make required but not found]) 1099fi 1100 1101dnl Tool compatibility is okay if we make it here. 1102AC_MSG_RESULT([ok]) 1103 1104dnl Check optional compiler flags. 1105AC_MSG_CHECKING([optional compiler flags]) 1106CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros]) 1107CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers]) 1108CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default]) 1109AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT]) 1110 1111dnl===-----------------------------------------------------------------------=== 1112dnl=== 1113dnl=== SECTION 5: Check for libraries 1114dnl=== 1115dnl===-----------------------------------------------------------------------=== 1116 1117AC_CHECK_LIB(m,sin) 1118if test "$llvm_cv_os_type" = "MingW" ; then 1119 AC_CHECK_LIB(imagehlp, main) 1120 AC_CHECK_LIB(psapi, main) 1121fi 1122 1123dnl dlopen() is required for plugin support. 1124AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1], 1125 [Define if dlopen() is available on this platform.]), 1126 AC_MSG_WARN([dlopen() not found - disabling plugin support])) 1127 1128dnl libffi is optional; used to call external functions from the interpreter 1129if test "$llvm_cv_enable_libffi" = "yes" ; then 1130 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1], 1131 [Define if libffi is available on this platform.]), 1132 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it])) 1133fi 1134 1135dnl mallinfo is optional; the code can compile (minus features) without it 1136AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1], 1137 [Define if mallinfo() is available on this platform.])) 1138 1139dnl pthread locking functions are optional - but llvm will not be thread-safe 1140dnl without locks. 1141if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1142 AC_CHECK_LIB(pthread, pthread_mutex_init) 1143 AC_SEARCH_LIBS(pthread_mutex_lock,pthread, 1144 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1], 1145 [Have pthread_mutex_lock])) 1146 AC_SEARCH_LIBS(pthread_rwlock_init,pthread, 1147 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1], 1148 [Have pthread_rwlock_init])) 1149 AC_SEARCH_LIBS(pthread_getspecific,pthread, 1150 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1], 1151 [Have pthread_getspecific])) 1152fi 1153 1154dnl Allow extra x86-disassembler library 1155AC_ARG_WITH(udis86, 1156 AS_HELP_STRING([--with-udis86=<path>], 1157 [Use udis86 external x86 disassembler library]), 1158 [ 1159 AC_SUBST(USE_UDIS86, [1]) 1160 case "$withval" in 1161 /usr/lib|yes) ;; 1162 *) LDFLAGS="$LDFLAGS -L${withval}" ;; 1163 esac 1164 AC_CHECK_LIB(udis86, ud_init, [], [ 1165 echo "Error! You need to have libudis86 around." 1166 exit -1 1167 ]) 1168 ], 1169 AC_SUBST(USE_UDIS86, [0])) 1170AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86, 1171 [Define if use udis86 library]) 1172 1173dnl Allow OProfile support for JIT output. 1174AC_ARG_WITH(oprofile, 1175 AS_HELP_STRING([--with-oprofile=<prefix>], 1176 [Tell OProfile >= 0.9.4 how to symbolize JIT output]), 1177 [ 1178 AC_SUBST(USE_OPROFILE, [1]) 1179 case "$withval" in 1180 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;; 1181 no) llvm_cv_oppath= 1182 AC_SUBST(USE_OPROFILE, [0]) ;; 1183 *) llvm_cv_oppath="${withval}/lib/oprofile" 1184 CPPFLAGS="-I${withval}/include";; 1185 esac 1186 case $llvm_cv_os_type in 1187 Linux) 1188 if test -n "$llvm_cv_oppath" ; then 1189 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}" 1190 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744: 1191 dnl libbfd is not included properly in libopagent in some Debian 1192 dnl versions. If libbfd isn't found at all, we assume opagent works 1193 dnl anyway. 1194 AC_SEARCH_LIBS(bfd_init, bfd, [], []) 1195 AC_SEARCH_LIBS(op_open_agent, opagent, [], [ 1196 echo "Error! You need to have libopagent around." 1197 exit -1 1198 ]) 1199 AC_CHECK_HEADER([opagent.h], [], [ 1200 echo "Error! You need to have opagent.h around." 1201 exit -1 1202 ]) 1203 fi ;; 1204 *) 1205 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;; 1206 esac 1207 ], 1208 [ 1209 AC_SUBST(USE_OPROFILE, [0]) 1210 ]) 1211AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE, 1212 [Define if we have the oprofile JIT-support library]) 1213 1214dnl Enable support for Intel JIT Events API. 1215AC_ARG_WITH(intel-jitevents, 1216 AS_HELP_STRING([--with-intel-jitevents=<vtune-amplifier-dir>], 1217 [Specify location of run-time support library for Intel JIT API (default=/opt/intel/vtune_amplifier_xe_2011)]), 1218 [ 1219 case $llvm_cv_os_type in 1220 Linux|Win32|Cygwin|MingW) ;; 1221 *) 1222 AC_MSG_ERROR([ 1223 Intel JIT API support is available on Linux and Windows only."]) ;; 1224 esac 1225 1226 AC_SUBST(USE_INTEL_JITEVENTS, [1]) 1227 case "$llvm_cv_target_arch" in 1228 x86) llvm_intel_jitevents_archdir="lib32";; 1229 x86_64) llvm_intel_jitevents_archdir="lib64";; 1230 *) echo "Target architecture $llvm_cv_target_arch does not support Intel JIT Events API" 1231 exit -1;; 1232 esac 1233 INTEL_JITEVENTS_INCDIR="/opt/intel/vtune_amplifier_xe_2011/include" 1234 INTEL_JITEVENTS_LIBDIR="/opt/intel/vtune_amplifier_xe_2011/$llvm_intel_jitevents_archdir" 1235 case "$withval" in 1236 /* | [[A-Za-z]]:[[\\/]]*) INTEL_JITEVENTS_INCDIR=$withval/include 1237 INTEL_JITEVENTS_LIBDIR=$withval/$llvm_intel_jitevents_archdir ;; 1238 *) ;; 1239 esac 1240 1241 AC_SUBST(INTEL_JITEVENTS_INCDIR) 1242 AC_SUBST(INTEL_JITEVENTS_LIBDIR) 1243 1244 LIBS="$LIBS -L${INTEL_JITEVENTS_LIBDIR}" 1245 CPPFLAGS="$CPPFLAGS -I$INTEL_JITEVENTS_INCDIR" 1246 1247 AC_SEARCH_LIBS(iJIT_IsProfilingActive, jitprofiling, [], [ 1248 echo "Error! Cannot find libjitprofiling.a. Please check path specified in flag --with-intel-jitevents" 1249 exit -1 1250 ]) 1251 AC_CHECK_HEADER([jitprofiling.h], [], [ 1252 echo "Error! Cannot find jitprofiling.h. Please check path specified in flag --with-intel-jitevents" 1253 exit -1 1254 ]) 1255 1256 ], 1257 [ 1258 AC_SUBST(USE_INTEL_JITEVENTS, [0]) 1259 ]) 1260AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS, 1261 [Define if we have the Intel JIT API runtime support library]) 1262 1263dnl===-----------------------------------------------------------------------=== 1264dnl=== 1265dnl=== SECTION 6: Check for header files 1266dnl=== 1267dnl===-----------------------------------------------------------------------=== 1268 1269dnl First, use autoconf provided macros for specific headers that we need 1270dnl We don't check for ancient stuff or things that are guaranteed to be there 1271dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers. 1272dnl Generally we're looking for POSIX headers. 1273AC_HEADER_DIRENT 1274AC_HEADER_MMAP_ANONYMOUS 1275AC_HEADER_STAT 1276AC_HEADER_SYS_WAIT 1277AC_HEADER_TIME 1278 1279AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h]) 1280AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h]) 1281AC_CHECK_HEADERS([utime.h windows.h]) 1282AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h]) 1283AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h]) 1284AC_CHECK_HEADERS([valgrind/valgrind.h]) 1285AC_CHECK_HEADERS([fenv.h]) 1286if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1287 AC_CHECK_HEADERS(pthread.h, 1288 AC_SUBST(HAVE_PTHREAD, 1), 1289 AC_SUBST(HAVE_PTHREAD, 0)) 1290else 1291 AC_SUBST(HAVE_PTHREAD, 0) 1292fi 1293 1294dnl Try to find ffi.h. 1295if test "$llvm_cv_enable_libffi" = "yes" ; then 1296 AC_CHECK_HEADERS([ffi.h ffi/ffi.h]) 1297fi 1298 1299dnl Try to find Darwin specific crash reporting libraries. 1300AC_CHECK_HEADERS([CrashReporterClient.h]) 1301 1302dnl Try to find Darwin specific crash reporting global. 1303AC_MSG_CHECKING([__crashreporter_info__]) 1304AC_LINK_IFELSE( 1305 AC_LANG_SOURCE( 1306 [[extern const char *__crashreporter_info__; 1307 int main() { 1308 __crashreporter_info__ = "test"; 1309 return 0; 1310 } 1311 ]]), 1312 AC_MSG_RESULT(yes) 1313 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__), 1314 AC_MSG_RESULT(no) 1315 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0, 1316 Define if __crashreporter_info__ exists.)) 1317 1318dnl===-----------------------------------------------------------------------=== 1319dnl=== 1320dnl=== SECTION 7: Check for types and structures 1321dnl=== 1322dnl===-----------------------------------------------------------------------=== 1323 1324AC_HUGE_VAL_CHECK 1325AC_TYPE_PID_T 1326AC_TYPE_SIZE_T 1327AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').]) 1328AC_STRUCT_TM 1329AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found])) 1330AC_CHECK_TYPES([uint64_t],, 1331 AC_CHECK_TYPES([u_int64_t],, 1332 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found]))) 1333 1334dnl===-----------------------------------------------------------------------=== 1335dnl=== 1336dnl=== SECTION 8: Check for specific functions needed 1337dnl=== 1338dnl===-----------------------------------------------------------------------=== 1339 1340AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ]) 1341AC_CHECK_FUNCS([powf fmodf strtof round ]) 1342AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ]) 1343AC_CHECK_FUNCS([isatty mkdtemp mkstemp ]) 1344AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ]) 1345AC_CHECK_FUNCS([strerror strerror_r setenv ]) 1346AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ]) 1347AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev]) 1348AC_C_PRINTF_A 1349AC_FUNC_RAND48 1350 1351dnl Check the declaration "Secure API" on Windows environments. 1352AC_CHECK_DECLS([strerror_s]) 1353 1354dnl Check symbols in libgcc.a for JIT on Mingw. 1355if test "$llvm_cv_os_type" = "MingW" ; then 1356 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca])) 1357 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca])) 1358 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk])) 1359 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk])) 1360 1361 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3])) 1362 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3])) 1363 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3])) 1364 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi])) 1365 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi])) 1366 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf])) 1367 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3])) 1368 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3])) 1369 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3])) 1370 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3])) 1371 1372 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main])) 1373 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2])) 1374fi 1375 1376dnl Check Win32 API EnumerateLoadedModules. 1377if test "$llvm_cv_os_type" = "MingW" ; then 1378 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl]) 1379 AC_COMPILE_IFELSE([[#include <windows.h> 1380#include <imagehlp.h> 1381extern void foo(PENUMLOADED_MODULES_CALLBACK); 1382extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]], 1383[ 1384 AC_MSG_RESULT([yes]) 1385 llvm_cv_win32_elmcb_pcstr="PCSTR" 1386], 1387[ 1388 AC_MSG_RESULT([no]) 1389 llvm_cv_win32_elmcb_pcstr="PSTR" 1390]) 1391 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback]) 1392fi 1393 1394dnl Check for variations in the Standard C++ library and STL. These macros are 1395dnl provided by LLVM in the autoconf/m4 directory. 1396AC_FUNC_ISNAN 1397AC_FUNC_ISINF 1398 1399dnl Check for mmap support.We also need to know if /dev/zero is required to 1400dnl be opened for allocating RWX memory. 1401dnl Make sure we aren't attempting to configure for an unknown system 1402if test "$llvm_cv_platform_type" = "Unix" ; then 1403 AC_FUNC_MMAP 1404 AC_FUNC_MMAP_FILE 1405 AC_NEED_DEV_ZERO_FOR_MMAP 1406 1407 if test "$ac_cv_func_mmap_fixed_mapped" = "no" 1408 then 1409 AC_MSG_WARN([mmap() of a fixed address required but not supported]) 1410 fi 1411 if test "$ac_cv_func_mmap_file" = "no" 1412 then 1413 AC_MSG_WARN([mmap() of files required but not found]) 1414 fi 1415fi 1416 1417dnl atomic builtins are required for threading support. 1418AC_MSG_CHECKING(for GCC atomic builtins) 1419dnl Since we'll be using these atomic builtins in C++ files we should test 1420dnl the C++ compiler. 1421AC_LANG_PUSH([C++]) 1422AC_LINK_IFELSE( 1423 AC_LANG_SOURCE( 1424 [[int main() { 1425 volatile unsigned long val = 1; 1426 __sync_synchronize(); 1427 __sync_val_compare_and_swap(&val, 1, 0); 1428 __sync_add_and_fetch(&val, 1); 1429 __sync_sub_and_fetch(&val, 1); 1430 return 0; 1431 } 1432 ]]), 1433 AC_LANG_POP([C++]) 1434 AC_MSG_RESULT(yes) 1435 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics), 1436 AC_MSG_RESULT(no) 1437 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics) 1438 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])) 1439 1440dnl===-----------------------------------------------------------------------=== 1441dnl=== 1442dnl=== SECTION 9: Additional checks, variables, etc. 1443dnl=== 1444dnl===-----------------------------------------------------------------------=== 1445 1446dnl Handle 32-bit linux systems running a 64-bit kernel. 1447dnl This has to come after section 4 because it invokes the compiler. 1448if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then 1449 AC_IS_LINUX_MIXED 1450 if test "$llvm_cv_linux_mixed" = "yes"; then 1451 llvm_cv_target_arch="x86" 1452 ARCH="x86" 1453 fi 1454fi 1455 1456dnl Check whether __dso_handle is present 1457AC_CHECK_FUNCS([__dso_handle]) 1458 1459dnl Propagate the shared library extension that the libltdl checks did to 1460dnl the Makefiles so we can use it there too 1461AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext) 1462 1463dnl Propagate the run-time library path variable that the libltdl 1464dnl checks found to the Makefiles so we can use it there too 1465AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var) 1466 1467dnl Translate the various configuration directories and other basic 1468dnl information into substitutions that will end up in Makefile.config.in 1469dnl that these configured values can be used by the makefiles 1470if test "${prefix}" = "NONE" ; then 1471 prefix="/usr/local" 1472fi 1473eval LLVM_PREFIX="${prefix}"; 1474eval LLVM_BINDIR="${prefix}/bin"; 1475eval LLVM_LIBDIR="${prefix}/lib"; 1476eval LLVM_DATADIR="${prefix}/share/llvm"; 1477eval LLVM_DOCSDIR="${prefix}/share/doc/llvm"; 1478eval LLVM_ETCDIR="${prefix}/etc/llvm"; 1479eval LLVM_INCLUDEDIR="${prefix}/include"; 1480eval LLVM_INFODIR="${prefix}/info"; 1481eval LLVM_MANDIR="${prefix}/man"; 1482LLVM_CONFIGTIME=`date` 1483AC_SUBST(LLVM_PREFIX) 1484AC_SUBST(LLVM_BINDIR) 1485AC_SUBST(LLVM_LIBDIR) 1486AC_SUBST(LLVM_DATADIR) 1487AC_SUBST(LLVM_DOCSDIR) 1488AC_SUBST(LLVM_ETCDIR) 1489AC_SUBST(LLVM_INCLUDEDIR) 1490AC_SUBST(LLVM_INFODIR) 1491AC_SUBST(LLVM_MANDIR) 1492AC_SUBST(LLVM_CONFIGTIME) 1493 1494dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS. 1495if test "${ENABLE_TIMESTAMPS}" = "0"; then 1496 LLVM_CONFIGTIME="(timestamp not enabled)" 1497fi 1498 1499dnl Place the various directories into the config.h file as #defines so that we 1500dnl can know about the installation paths within LLVM. 1501AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", 1502 [Installation prefix directory]) 1503AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", 1504 [Installation directory for binary executables]) 1505AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", 1506 [Installation directory for libraries]) 1507AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", 1508 [Installation directory for data files]) 1509AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR", 1510 [Installation directory for documentation]) 1511AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", 1512 [Installation directory for config files]) 1513AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", 1514 [Installation directory for include files]) 1515AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", 1516 [Installation directory for .info files]) 1517AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", 1518 [Installation directory for man pages]) 1519AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", 1520 [Time at which LLVM was configured]) 1521AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target", 1522 [Target triple LLVM will generate code for by default]) 1523 1524dnl Determine which bindings to build. 1525if test "$BINDINGS_TO_BUILD" = auto ; then 1526 BINDINGS_TO_BUILD="" 1527 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then 1528 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" 1529 fi 1530fi 1531AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD) 1532 1533dnl This isn't really configurey, but it avoids having to repeat the list in 1534dnl other files. 1535AC_SUBST(ALL_BINDINGS,ocaml) 1536 1537dnl Do any work necessary to ensure that bindings have what they need. 1538binding_prereqs_failed=0 1539for a_binding in $BINDINGS_TO_BUILD ; do 1540 case "$a_binding" in 1541 ocaml) 1542 if test "x$OCAMLC" = x ; then 1543 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc]) 1544 binding_prereqs_failed=1 1545 fi 1546 if test "x$OCAMLDEP" = x ; then 1547 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep]) 1548 binding_prereqs_failed=1 1549 fi 1550 if test "x$OCAMLOPT" = x ; then 1551 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt]) 1552 dnl ocamlopt is optional! 1553 fi 1554 if test "x$with_ocaml_libdir" != xauto ; then 1555 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir) 1556 else 1557 ocaml_stdlib="`"$OCAMLC" -where`" 1558 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~" 1559 then 1560 # ocaml stdlib is beneath our prefix; use stdlib 1561 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib) 1562 else 1563 # ocaml stdlib is outside our prefix; use libdir/ocaml 1564 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml) 1565 fi 1566 fi 1567 ;; 1568 esac 1569done 1570if test "$binding_prereqs_failed" = 1 ; then 1571 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.]) 1572fi 1573 1574dnl Determine whether the compiler supports -fvisibility-inlines-hidden. 1575AC_CXX_USE_VISIBILITY_INLINES_HIDDEN 1576 1577dnl Determine linker rpath flag 1578if test "$llvm_cv_link_use_r" = "yes" ; then 1579 RPATH="-Wl,-R" 1580else 1581 RPATH="-Wl,-rpath" 1582fi 1583AC_SUBST(RPATH) 1584 1585dnl Determine linker rdynamic flag 1586if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then 1587 RDYNAMIC="-Wl,-export-dynamic" 1588else 1589 RDYNAMIC="" 1590fi 1591AC_SUBST(RDYNAMIC) 1592 1593dnl===-----------------------------------------------------------------------=== 1594dnl=== 1595dnl=== SECTION 10: Specify the output files and generate it 1596dnl=== 1597dnl===-----------------------------------------------------------------------=== 1598 1599dnl Configure header files 1600dnl WARNING: dnl If you add or remove any of the following config headers, then 1601dnl you MUST also update Makefile so that the variable FilesToConfig 1602dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the 1603dnl files can be updated automatically when their *.in sources change. 1604AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h]) 1605AH_TOP([#ifndef CONFIG_H 1606#define CONFIG_H]) 1607AH_BOTTOM([#endif]) 1608 1609AC_CONFIG_FILES([include/llvm/Config/Targets.def]) 1610AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def]) 1611AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def]) 1612AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def]) 1613AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h]) 1614 1615dnl Configure the makefile's configuration data 1616AC_CONFIG_FILES([Makefile.config]) 1617 1618dnl Configure the RPM spec file for LLVM 1619AC_CONFIG_FILES([llvm.spec]) 1620 1621dnl Configure doxygen's configuration file 1622AC_CONFIG_FILES([docs/doxygen.cfg]) 1623 1624dnl Configure clang, if present 1625if test "${clang_src_root}" = ""; then 1626 clang_src_root="$srcdir/tools/clang" 1627fi 1628if test -f ${clang_src_root}/README.txt; then 1629 dnl Use variables to stay under 80 columns. 1630 configh="include/clang/Config/config.h" 1631 doxy="docs/doxygen.cfg" 1632 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in]) 1633 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in]) 1634fi 1635 1636dnl OCaml findlib META file 1637AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm]) 1638 1639dnl Do special configuration of Makefiles 1640AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"]) 1641AC_CONFIG_MAKEFILE(Makefile) 1642AC_CONFIG_MAKEFILE(Makefile.common) 1643AC_CONFIG_MAKEFILE(examples/Makefile) 1644AC_CONFIG_MAKEFILE(lib/Makefile) 1645AC_CONFIG_MAKEFILE(runtime/Makefile) 1646AC_CONFIG_MAKEFILE(test/Makefile) 1647AC_CONFIG_MAKEFILE(test/Makefile.tests) 1648AC_CONFIG_MAKEFILE(unittests/Makefile) 1649AC_CONFIG_MAKEFILE(tools/Makefile) 1650AC_CONFIG_MAKEFILE(utils/Makefile) 1651AC_CONFIG_MAKEFILE(projects/Makefile) 1652AC_CONFIG_MAKEFILE(bindings/Makefile) 1653AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml) 1654 1655dnl Finally, crank out the output 1656AC_OUTPUT 1657