1 dnl === configure.ac --------------------------------------------------------===
2 dnl The LLVM Compiler Infrastructure
4 dnl This file is distributed under the University of Illinois Open Source
5 dnl License. See LICENSE.TXT for details.
7 dnl===-----------------------------------------------------------------------===
8 dnl This is the LLVM configuration script. It is processed by the autoconf
9 dnl program to produce a script named configure. This script contains the
10 dnl configuration checks that LLVM needs in order to support multiple platforms.
11 dnl This file is composed of 10 sections per the recommended organization of
12 dnl autoconf input defined in the autoconf documentation. As this file evolves,
13 dnl please keep the various types of checks within their sections. The sections
16 dnl SECTION 1: Initialization & Setup
17 dnl SECTION 2: Architecture, target, and host checks
18 dnl SECTION 3: Command line arguments for the configure script.
19 dnl SECTION 4: Check for programs we need and that they are the right version
20 dnl SECTION 5: Check for libraries
21 dnl SECTION 6: Check for header files
22 dnl SECTION 7: Check for types and structures
23 dnl SECTION 8: Check for specific functions needed
24 dnl SECTION 9: Additional checks, variables, etc.
25 dnl SECTION 10: Specify the output files and generate it
27 dnl===-----------------------------------------------------------------------===
29 dnl=== SECTION 1: Initialization & Setup
31 dnl===-----------------------------------------------------------------------===
32 dnl Initialize autoconf and define the package name, version number and
33 dnl address for reporting bugs.
34 AC_INIT([LLVM],[3.2svn],[http://llvm.org/bugs/])
35 AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API])
36 AC_DEFINE([LLVM_VERSION_MINOR], [2], [Minor version of the LLVM API])
38 dnl Provide a copyright substitution and ensure the copyright notice is included
39 dnl in the output of --version option of the generated configure script.
40 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2012 University of Illinois at Urbana-Champaign."])
41 AC_COPYRIGHT([Copyright (c) 2003-2012 University of Illinois at Urbana-Champaign.])
43 dnl Indicate that we require autoconf 2.60 or later.
46 dnl Verify that the source directory is valid. This makes sure that we are
47 dnl configuring LLVM and not some other package (it validates --srcdir argument)
48 AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
50 dnl Place all of the extra autoconf files into the config subdirectory. Tell
51 dnl various tools where the m4 autoconf macros are.
52 AC_CONFIG_AUX_DIR([autoconf])
54 dnl Quit if the source directory has already been configured.
55 dnl NOTE: This relies upon undocumented autoconf behavior.
56 if test ${srcdir} != "." ; then
57 if test -f ${srcdir}/include/llvm/Config/config.h ; then
58 AC_MSG_ERROR([Already configured in ${srcdir}])
62 dnl We need to check for the compiler up here to avoid anything else
63 dnl starting with a different one.
64 AC_PROG_CC(clang llvm-gcc gcc)
65 AC_PROG_CXX(clang++ llvm-g++ g++)
68 dnl Configure all of the projects present in our source tree. While we could
69 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
70 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
71 dnl Instead we match on the known projects.
74 dnl One tricky part of doing this is that some projects depend upon other
75 dnl projects. For example, several projects rely upon the LLVM test suite.
76 dnl We want to configure those projects first so that their object trees are
77 dnl created before running the configure scripts of projects that depend upon
81 dnl Several projects use llvm-gcc, so configure that first
82 if test -d ${srcdir}/projects/llvm-gcc ; then
83 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
86 dnl Several projects use the LLVM test suite, so configure it next.
87 if test -d ${srcdir}/projects/test-suite ; then
88 AC_CONFIG_SUBDIRS([projects/test-suite])
91 dnl llvm-test is the old name of the test-suite, kept here for backwards
93 if test -d ${srcdir}/projects/llvm-test ; then
94 AC_CONFIG_SUBDIRS([projects/llvm-test])
97 dnl Some projects use poolalloc; configure that next
98 if test -d ${srcdir}/projects/poolalloc ; then
99 AC_CONFIG_SUBDIRS([projects/poolalloc])
102 if test -d ${srcdir}/projects/llvm-poolalloc ; then
103 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
106 dnl Check for all other projects
107 for i in `ls ${srcdir}/projects`
109 if test -d ${srcdir}/projects/${i} ; then
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]) ;;
126 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
132 dnl Disable the build of polly, even if it is checked out into tools/polly.
134 AS_HELP_STRING([--enable-polly],
135 [Use polly if available (default is YES)]),,
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"]) ;;
145 dnl Check if polly is checked out into tools/polly and configure it if
147 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
148 AC_SUBST(LLVM_HAS_POLLY,1)
149 AC_CONFIG_SUBDIRS([tools/polly])
152 dnl===-----------------------------------------------------------------------===
154 dnl=== SECTION 2: Architecture, target, and host checks
156 dnl===-----------------------------------------------------------------------===
158 dnl Check the target for which we're compiling and the host that will do the
159 dnl compilations. This will tell us which LLVM compiler will be used for
160 dnl compiling SSA into object code. This needs to be done early because
161 dnl following tests depend on it.
164 dnl Determine the platform type and cache its value. This helps us configure
165 dnl the System library to the correct build platform.
166 AC_CACHE_CHECK([type of operating system we're going to host on],
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
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" ;;
276 AC_CACHE_CHECK([type of operating system we're going to target],
277 [llvm_cv_target_os_type],
280 llvm_cv_target_os_type="AIX" ;;
282 llvm_cv_target_os_type="IRIX" ;;
284 llvm_cv_target_os_type="Cygwin" ;;
286 llvm_cv_target_os_type="Darwin" ;;
288 llvm_cv_target_os_type="Minix" ;;
289 *-*-freebsd* | *-*-kfreebsd-gnu)
290 llvm_cv_target_os_type="FreeBSD" ;;
292 llvm_cv_target_os_type="OpenBSD" ;;
294 llvm_cv_target_os_type="NetBSD" ;;
296 llvm_cv_target_os_type="DragonFly" ;;
298 llvm_cv_target_os_type="HP-UX" ;;
300 llvm_cv_target_os_type="Interix" ;;
302 llvm_cv_target_os_type="Linux" ;;
304 llvm_cv_target_os_type="GNU" ;;
306 llvm_cv_target_os_type="SunOS" ;;
308 llvm_cv_target_os_type="AuroraUX" ;;
310 llvm_cv_target_os_type="Win32" ;;
312 llvm_cv_target_os_type="MingW" ;;
314 llvm_cv_target_os_type="Haiku" ;;
316 llvm_cv_target_os_type="RTEMS" ;;
318 llvm_cv_target_os_type="NativeClient" ;;
320 llvm_cv_target_os_type="Freestanding" ;;
322 llvm_cv_target_os_type="Unknown" ;;
325 dnl Make sure we aren't attempting to configure for an unknown system
326 if test "$llvm_cv_os_type" = "Unknown" ; then
327 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
330 dnl Set the "OS" Makefile variable based on the platform type so the
331 dnl makefile can configure itself to specific build hosts
332 AC_SUBST(OS,$llvm_cv_os_type)
333 AC_SUBST(HOST_OS,$llvm_cv_os_type)
334 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
336 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
337 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
338 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
340 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
341 dnl This is used by lib/Support to determine the basic kind of implementation
343 case $llvm_cv_platform_type in
345 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
346 AC_SUBST(LLVM_ON_UNIX,[1])
347 AC_SUBST(LLVM_ON_WIN32,[0])
350 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
351 AC_SUBST(LLVM_ON_UNIX,[0])
352 AC_SUBST(LLVM_ON_WIN32,[1])
356 dnl Determine what our target architecture is and configure accordingly.
357 dnl This will allow Makefiles to make a distinction between the hardware and
359 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
361 i?86-*) llvm_cv_target_arch="x86" ;;
362 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
363 sparc*-*) llvm_cv_target_arch="Sparc" ;;
364 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
365 arm*-*) llvm_cv_target_arch="ARM" ;;
366 mips-*) llvm_cv_target_arch="Mips" ;;
367 mipsel-*) llvm_cv_target_arch="Mips" ;;
368 xcore-*) llvm_cv_target_arch="XCore" ;;
369 msp430-*) llvm_cv_target_arch="MSP430" ;;
370 hexagon-*) llvm_cv_target_arch="Hexagon" ;;
371 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
372 ptx-*) llvm_cv_target_arch="PTX" ;;
373 nvptx-*) llvm_cv_target_arch="NVPTX" ;;
374 *) llvm_cv_target_arch="Unknown" ;;
377 if test "$llvm_cv_target_arch" = "Unknown" ; then
378 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
381 dnl Determine the LLVM native architecture for the target
382 case "$llvm_cv_target_arch" in
383 x86) LLVM_NATIVE_ARCH="X86" ;;
384 x86_64) LLVM_NATIVE_ARCH="X86" ;;
385 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
388 dnl Define a substitution, ARCH, for the target architecture
389 AC_SUBST(ARCH,$llvm_cv_target_arch)
391 dnl Determine what our host architecture.
392 dnl This will allow MCJIT regress tests runs only for supported
395 i?86-*) host_arch="x86" ;;
396 amd64-* | x86_64-*) host_arch="x86_64" ;;
397 sparc*-*) host_arch="Sparc" ;;
398 powerpc*-*) host_arch="PowerPC" ;;
399 arm*-*) host_arch="ARM" ;;
400 mips-*) host_arch="Mips" ;;
401 mipsel-*) host_arch="Mips" ;;
402 xcore-*) host_arch="XCore" ;;
403 msp430-*) host_arch="MSP430" ;;
404 hexagon-*) host_arch="Hexagon" ;;
405 mblaze-*) host_arch="MBlaze" ;;
406 ptx-*) host_arch="PTX" ;;
407 *) host_arch="Unknown" ;;
410 if test "$host_arch" = "Unknown" ; then
411 AC_MSG_WARN([Configuring LLVM for an unknown host archicture])
414 AC_SUBST(HOST_ARCH,$host_arch)
416 dnl Check for the endianness of the target
417 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
419 dnl Check for build platform executable suffix if we're cross-compiling
420 if test "$cross_compiling" = yes; then
421 AC_SUBST(LLVM_CROSS_COMPILING, [1])
423 ac_build_prefix=${build_alias}-
424 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
425 if test -z "$BUILD_CXX"; then
426 AC_CHECK_PROG(BUILD_CXX, g++, g++)
427 if test -z "$BUILD_CXX"; then
428 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
432 AC_SUBST(LLVM_CROSS_COMPILING, [0])
435 dnl Check to see if there's a .svn or .git directory indicating that this
436 dnl build is being done from a checkout. This sets up several defaults for
437 dnl the command line switches. When we build with a checkout directory,
438 dnl we get a debug with assertions turned on. Without, we assume a source
439 dnl release and we get an optimized build without assertions.
440 dnl See --enable-optimized and --enable-assertions below
441 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
444 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
450 dnl===-----------------------------------------------------------------------===
452 dnl=== SECTION 3: Command line arguments for the configure script.
454 dnl===-----------------------------------------------------------------------===
456 dnl --enable-libcpp : check whether or not to use libc++ on the command line
457 AC_ARG_ENABLE(libcpp,
458 AS_HELP_STRING([--enable-libcpp],
459 [Use libc++ if available (default is NO)]),,
462 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;;
463 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;;
464 default) AC_SUBST(ENABLE_LIBCPP,[0]);;
465 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;;
468 dnl --enable-optimized : check whether they want to do an optimized build:
469 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
470 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
471 if test ${enableval} = "no" ; then
472 AC_SUBST(ENABLE_OPTIMIZED,[[]])
474 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
477 dnl --enable-profiling : check whether they want to do a profile build:
478 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
479 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
480 if test ${enableval} = "no" ; then
481 AC_SUBST(ENABLE_PROFILING,[[]])
483 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
486 dnl --enable-assertions : check whether they want to turn on assertions or not:
487 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
488 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
489 if test ${enableval} = "yes" ; then
490 AC_SUBST(DISABLE_ASSERTIONS,[[]])
492 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
495 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
496 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
497 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
498 if test ${enableval} = "yes" ; then
499 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
500 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
502 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
503 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
506 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
507 AC_ARG_ENABLE(debug-runtime,
508 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
509 if test ${enableval} = "no" ; then
510 AC_SUBST(DEBUG_RUNTIME,[[]])
512 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
515 dnl --enable-debug-symbols : should even optimized compiler libraries
516 dnl have debug symbols?
517 AC_ARG_ENABLE(debug-symbols,
518 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)
519 if test ${enableval} = "no" ; then
520 AC_SUBST(DEBUG_SYMBOLS,[[]])
522 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
525 dnl --enable-jit: check whether they want to enable the jit
527 AS_HELP_STRING(--enable-jit,
528 [Enable Just In Time Compiling (default is YES)]),,
530 if test ${enableval} = "no"
534 case "$llvm_cv_target_arch" in
535 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
536 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
537 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
538 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
539 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
540 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
541 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
542 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
543 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
544 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
545 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
546 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
547 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
551 dnl Allow enablement of building and installing docs
553 AS_HELP_STRING([--enable-docs],
554 [Build documents (default is YES)]),,
557 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
558 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
559 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
560 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
563 dnl Allow enablement of doxygen generated documentation
564 AC_ARG_ENABLE(doxygen,
565 AS_HELP_STRING([--enable-doxygen],
566 [Build doxygen documentation (default is NO)]),,
569 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
570 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
571 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
572 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
575 dnl Allow disablement of threads
576 AC_ARG_ENABLE(threads,
577 AS_HELP_STRING([--enable-threads],
578 [Use threads if available (default is YES)]),,
581 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
582 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;;
583 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;;
584 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
586 AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS,
587 [Define if threads enabled])
589 dnl Allow disablement of pthread.h
590 AC_ARG_ENABLE(pthreads,
591 AS_HELP_STRING([--enable-pthreads],
592 [Use pthreads if available (default is YES)]),,
595 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
596 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
597 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
598 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
601 dnl Allow building without position independent code
603 AS_HELP_STRING([--enable-pic],
604 [Build LLVM with Position Independent Code (default is YES)]),,
607 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
608 no) AC_SUBST(ENABLE_PIC,[0]) ;;
609 default) AC_SUBST(ENABLE_PIC,[1]) ;;
610 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
612 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
613 [Define if position independent code is enabled])
615 dnl Allow building a shared library and linking tools against it.
616 AC_ARG_ENABLE(shared,
617 AS_HELP_STRING([--enable-shared],
618 [Build a shared library and link tools against it (default is NO)]),,
621 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
622 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
623 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
624 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
627 dnl Allow libstdc++ is embedded in LLVM.dll.
628 AC_ARG_ENABLE(embed-stdcxx,
629 AS_HELP_STRING([--enable-embed-stdcxx],
630 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),,
633 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
634 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
635 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
636 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
639 dnl Enable embedding timestamp information into build.
640 AC_ARG_ENABLE(timestamps,
641 AS_HELP_STRING([--enable-timestamps],
642 [Enable embedding timestamp information in build (default is YES)]),,
645 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
646 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
647 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
648 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
650 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
651 [Define if timestamp information (e.g., __DATE___) is allowed])
653 dnl Allow specific targets to be specified for building (or not)
655 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
656 [Build specific host targets: all or target1,target2,... Valid targets are:
657 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon,
658 xcore, msp430, ptx, nvptx, and cpp (default=all)]),,
660 if test "$enableval" = host-only ; then
664 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CppBackend MBlaze PTX NVPTX Hexagon" ;;
665 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
667 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
668 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
669 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
670 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
671 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
672 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
673 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
674 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
675 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
676 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
677 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
678 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
679 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
680 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
681 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
682 host) case "$llvm_cv_target_arch" in
683 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
684 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
685 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
686 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
687 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
688 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
689 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
690 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
691 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
692 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
693 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
694 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
695 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
696 *) AC_MSG_ERROR([Can not set target to build]) ;;
698 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
703 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
705 dnl Determine whether we are building LLVM support for the native architecture.
706 dnl If so, define LLVM_NATIVE_ARCH to that LLVM target.
707 for a_target in $TARGETS_TO_BUILD; do
708 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
709 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
710 [LLVM architecture name for the native architecture, if available])
711 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
712 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
713 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
714 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
715 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
716 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
718 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
719 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler"
721 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
722 [LLVM name for the native Target init function, if available])
723 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
724 [LLVM name for the native TargetInfo init function, if available])
725 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
726 [LLVM name for the native target MC init function, if available])
727 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
728 [LLVM name for the native AsmPrinter init function, if available])
729 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
730 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
731 [LLVM name for the native AsmParser init function, if available])
733 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then
734 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER,
735 [LLVM name for the native Disassembler init function, if available])
740 dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
741 dnl target feature def files.
743 LLVM_ENUM_ASM_PRINTERS=""
744 LLVM_ENUM_ASM_PARSERS=""
745 LLVM_ENUM_DISASSEMBLERS=""
746 for target_to_build in $TARGETS_TO_BUILD; do
747 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
748 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
749 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
751 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
752 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
754 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
755 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
758 AC_SUBST(LLVM_ENUM_TARGETS)
759 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
760 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
761 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
763 dnl Override the option to use for optimized builds.
764 AC_ARG_WITH(optimize-option,
765 AS_HELP_STRING([--with-optimize-option],
766 [Select the compiler options to use for optimized builds]),,
768 AC_MSG_CHECKING([optimization flags])
771 case "$llvm_cv_os_type" in
772 FreeBSD) optimize_option=-O2 ;;
773 MingW) optimize_option=-O2 ;;
774 *) optimize_option=-O3 ;;
776 *) optimize_option="$withval" ;;
778 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
779 AC_MSG_RESULT([$optimize_option])
781 dnl Specify extra build options
782 AC_ARG_WITH(extra-options,
783 AS_HELP_STRING([--with-extra-options],
784 [Specify additional options to compile LLVM with]),,
787 default) EXTRA_OPTIONS= ;;
788 *) EXTRA_OPTIONS=$withval ;;
790 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
792 dnl Specify extra linker build options
793 AC_ARG_WITH(extra-ld-options,
794 AS_HELP_STRING([--with-extra-ld-options],
795 [Specify additional options to link LLVM with]),,
798 default) EXTRA_LD_OPTIONS= ;;
799 *) EXTRA_LD_OPTIONS=$withval ;;
801 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
803 dnl Allow specific bindings to be specified for building (or not)
804 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
805 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
809 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
810 all ) BINDINGS_TO_BUILD="ocaml" ;;
811 none | no) BINDINGS_TO_BUILD="" ;;
812 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
814 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
815 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
821 dnl Allow the ocaml libdir to be overridden. This could go in a configure
822 dnl script for bindings/ocaml/configure, except that its auto value depends on
823 dnl OCAMLC, which is found here to support tests.
824 AC_ARG_WITH([ocaml-libdir],
825 [AS_HELP_STRING([--with-ocaml-libdir],
826 [Specify install location for ocaml bindings (default is stdlib)])],
830 auto) with_ocaml_libdir="$withval" ;;
831 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
832 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
835 AC_ARG_WITH(clang-srcdir,
836 AS_HELP_STRING([--with-clang-srcdir],
837 [Directory to the out-of-tree Clang source]),,
840 -) clang_src_root="" ;;
841 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;;
842 *) clang_src_root="$ac_pwd/$withval" ;;
844 AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root])
846 AC_ARG_WITH(clang-resource-dir,
847 AS_HELP_STRING([--with-clang-resource-dir],
848 [Relative directory from the Clang binary for resource files]),,
850 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
851 [Relative directory for resource files])
853 AC_ARG_WITH(c-include-dirs,
854 AS_HELP_STRING([--with-c-include-dirs],
855 [Colon separated list of directories clang will search for headers]),,
857 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
858 [Directories clang will search for headers])
860 # Clang normally uses the system c++ headers and libraries. With this option,
861 # clang will use the ones provided by a gcc installation instead. This option should
862 # be passed the same value that was used with --prefix when configuring gcc.
863 AC_ARG_WITH(gcc-toolchain,
864 AS_HELP_STRING([--with-gcc-toolchain],
865 [Directory where gcc is installed.]),,
867 AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval",
868 [Directory where gcc is installed.])
870 AC_ARG_WITH(default-sysroot,
871 AS_HELP_STRING([--with-default-sysroot],
872 [Add --sysroot=<path> to all compiler invocations.]),,
874 AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval",
875 [Default <path> to all compiler invocations for --sysroot=<path>.])
877 dnl Allow linking of LLVM with GPLv3 binutils code.
878 AC_ARG_WITH(binutils-include,
879 AS_HELP_STRING([--with-binutils-include],
880 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
883 default) WITH_BINUTILS_INCDIR=default ;;
884 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
885 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
887 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
888 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
889 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
890 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
891 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
895 dnl Specify the URL where bug reports should be submitted.
896 AC_ARG_WITH(bug-report-url,
897 AS_HELP_STRING([--with-bug-report-url],
898 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
899 withval="http://llvm.org/bugs/")
900 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
903 dnl --enable-libffi : check whether the user wants to turn off libffi:
904 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
905 --enable-libffi,[Check for the presence of libffi (default is NO)]),
906 [case "$enableval" in
907 yes) llvm_cv_enable_libffi="yes" ;;
908 no) llvm_cv_enable_libffi="no" ;;
909 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
911 llvm_cv_enable_libffi=no)
913 AC_ARG_WITH(internal-prefix,
914 AS_HELP_STRING([--with-internal-prefix],
915 [Installation directory for internal files]),,
917 AC_SUBST(INTERNAL_PREFIX,[$withval])
919 dnl===-----------------------------------------------------------------------===
921 dnl=== SECTION 4: Check for programs we need and that they are the right version
923 dnl===-----------------------------------------------------------------------===
928 dnl Check for the tools that the makefiles require
931 AC_PATH_PROG(CMP, [cmp], [cmp])
932 AC_PATH_PROG(CP, [cp], [cp])
933 AC_PATH_PROG(DATE, [date], [date])
934 AC_PATH_PROG(FIND, [find], [find])
935 AC_PATH_PROG(GREP, [grep], [grep])
936 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
937 AC_PATH_PROG(MV, [mv], [mv])
939 AC_CHECK_TOOL(AR, ar, false)
940 AC_PATH_PROG(RM, [rm], [rm])
941 AC_PATH_PROG(SED, [sed], [sed])
942 AC_PATH_PROG(TAR, [tar], [gtar])
943 AC_PATH_PROG(BINPWD,[pwd], [pwd])
945 dnl Looking for misc. graph plotting software
946 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
947 if test "$GRAPHVIZ" != "echo Graphviz" ; then
948 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
949 dnl If we're targeting for mingw we should emit windows paths, not msys
950 if test "$llvm_cv_os_type" = "MingW" ; then
951 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
953 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
954 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
956 AC_PATH_PROG(DOT, [dot], [echo dot])
957 if test "$DOT" != "echo dot" ; then
958 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
959 dnl If we're targeting for mingw we should emit windows paths, not msys
960 if test "$llvm_cv_os_type" = "MingW" ; then
961 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
963 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
964 [Define to path to dot program if found or 'echo dot' otherwise])
966 AC_PATH_PROG(FDP, [fdp], [echo fdp])
967 if test "$FDP" != "echo fdp" ; then
968 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
969 dnl If we're targeting for mingw we should emit windows paths, not msys
970 if test "$llvm_cv_os_type" = "MingW" ; then
971 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
973 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
974 [Define to path to fdp program if found or 'echo fdp' otherwise])
976 AC_PATH_PROG(NEATO, [neato], [echo neato])
977 if test "$NEATO" != "echo neato" ; then
978 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
979 dnl If we're targeting for mingw we should emit windows paths, not msys
980 if test "$llvm_cv_os_type" = "MingW" ; then
981 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
983 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
984 [Define to path to neato program if found or 'echo neato' otherwise])
986 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
987 if test "$TWOPI" != "echo twopi" ; then
988 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
989 dnl If we're targeting for mingw we should emit windows paths, not msys
990 if test "$llvm_cv_os_type" = "MingW" ; then
991 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
993 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
994 [Define to path to twopi program if found or 'echo twopi' otherwise])
996 AC_PATH_PROG(CIRCO, [circo], [echo circo])
997 if test "$CIRCO" != "echo circo" ; then
998 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
999 dnl If we're targeting for mingw we should emit windows paths, not msys
1000 if test "$llvm_cv_os_type" = "MingW" ; then
1001 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1003 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1004 [Define to path to circo program if found or 'echo circo' otherwise])
1006 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1007 if test "$GV" != "echo gv" ; then
1008 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1009 dnl If we're targeting for mingw we should emit windows paths, not msys
1010 if test "$llvm_cv_os_type" = "MingW" ; then
1011 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1013 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1014 [Define to path to gv program if found or 'echo gv' otherwise])
1016 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1017 if test "$DOTTY" != "echo dotty" ; then
1018 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1019 dnl If we're targeting for mingw we should emit windows paths, not msys
1020 if test "$llvm_cv_os_type" = "MingW" ; then
1021 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1023 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1024 [Define to path to dotty program if found or 'echo dotty' otherwise])
1026 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1027 if test "$XDOT_PY" != "echo xdot.py" ; then
1028 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1029 dnl If we're targeting for mingw we should emit windows paths, not msys
1030 if test "$llvm_cv_os_type" = "MingW" ; then
1031 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1033 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1034 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1037 dnl Find the install program
1039 dnl Prepend src dir to install path dir if it's a relative path
1040 dnl This is a hack for installs that take place in something other
1041 dnl than the top level.
1043 [[\\/$]]* | ?:[[\\/]]* ) ;;
1044 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1047 dnl Checks for documentation and testing tools that we can do without. If these
1048 dnl are not found then they are set to "true" which always succeeds but does
1049 dnl nothing. This just lets the build output show that we could have done
1050 dnl something if the tool was available.
1051 AC_PATH_PROG(BZIP2, [bzip2])
1052 AC_PATH_PROG(CAT, [cat])
1053 AC_PATH_PROG(DOXYGEN, [doxygen])
1054 AC_PATH_PROG(GROFF, [groff])
1055 AC_PATH_PROG(GZIPBIN, [gzip])
1056 AC_PATH_PROG(PDFROFF, [pdfroff])
1057 AC_PATH_PROG(RUNTEST, [runtest])
1059 AC_PATH_PROG(ZIP, [zip])
1060 AC_PATH_PROGS(OCAMLC, [ocamlc])
1061 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1062 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1063 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1064 AC_PATH_PROGS(GAS, [gas as])
1066 dnl Get the version of the linker in use.
1069 dnl Determine whether the linker supports the -R option.
1072 dnl Determine whether the linker supports the -export-dynamic option.
1073 AC_LINK_EXPORT_DYNAMIC
1075 dnl Determine whether the linker supports the --version-script option.
1076 AC_LINK_VERSION_SCRIPT
1078 dnl Check for libtool and the library that has dlopen function (which must come
1079 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1084 AC_MSG_CHECKING([tool compatibility])
1086 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1087 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1088 dnl to support those options.
1089 dnl "icc" emits gcc signatures
1090 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1102 if test "$GCC" != "yes" && test "$ICC" != "yes"
1104 AC_MSG_ERROR([gcc|icc required but not found])
1107 dnl Ensure that compilation tools are compatible with GCC extensions
1108 if test "$GXX" != "yes" && test "$IXX" != "yes"
1110 AC_MSG_ERROR([g++|clang++|icc required but not found])
1113 dnl Verify that GCC is version 3.0 or higher
1114 if test "$GCC" = "yes"
1116 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1117 #error Unsupported GCC version
1119 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1122 dnl Check for GNU Make. We use its extensions, so don't build without it
1123 if test -z "$llvm_cv_gnu_make_command"
1125 AC_MSG_ERROR([GNU Make required but not found])
1128 dnl Tool compatibility is okay if we make it here.
1131 dnl Check optional compiler flags.
1132 AC_MSG_CHECKING([optional compiler flags])
1133 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1134 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1135 CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
1136 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT])
1138 dnl===-----------------------------------------------------------------------===
1140 dnl=== SECTION 5: Check for libraries
1142 dnl===-----------------------------------------------------------------------===
1145 if test "$llvm_cv_os_type" = "MingW" ; then
1146 AC_CHECK_LIB(imagehlp, main)
1147 AC_CHECK_LIB(psapi, main)
1150 dnl dlopen() is required for plugin support.
1151 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1152 [Define if dlopen() is available on this platform.]),
1153 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1155 dnl libffi is optional; used to call external functions from the interpreter
1156 if test "$llvm_cv_enable_libffi" = "yes" ; then
1157 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1158 [Define if libffi is available on this platform.]),
1159 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1162 dnl mallinfo is optional; the code can compile (minus features) without it
1163 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1164 [Define if mallinfo() is available on this platform.]))
1166 dnl pthread locking functions are optional - but llvm will not be thread-safe
1168 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1169 AC_CHECK_LIB(pthread, pthread_mutex_init)
1170 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1171 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1172 [Have pthread_mutex_lock]))
1173 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1174 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1175 [Have pthread_rwlock_init]))
1176 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1177 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1178 [Have pthread_getspecific]))
1181 dnl Allow extra x86-disassembler library
1183 AS_HELP_STRING([--with-udis86=<path>],
1184 [Use udis86 external x86 disassembler library]),
1186 AC_SUBST(USE_UDIS86, [1])
1189 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1191 AC_CHECK_LIB(udis86, ud_init, [], [
1192 echo "Error! You need to have libudis86 around."
1196 AC_SUBST(USE_UDIS86, [0]))
1197 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1198 [Define if use udis86 library])
1200 dnl Allow OProfile support for JIT output.
1201 AC_ARG_WITH(oprofile,
1202 AS_HELP_STRING([--with-oprofile=<prefix>],
1203 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1205 AC_SUBST(USE_OPROFILE, [1])
1207 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1209 AC_SUBST(USE_OPROFILE, [0]) ;;
1210 *) llvm_cv_oppath="${withval}/lib/oprofile"
1211 CPPFLAGS="-I${withval}/include";;
1213 case $llvm_cv_os_type in
1215 if test -n "$llvm_cv_oppath" ; then
1216 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1217 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1218 dnl libbfd is not included properly in libopagent in some Debian
1219 dnl versions. If libbfd isn't found at all, we assume opagent works
1221 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1222 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1223 echo "Error! You need to have libopagent around."
1226 AC_CHECK_HEADER([opagent.h], [], [
1227 echo "Error! You need to have opagent.h around."
1232 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;;
1236 AC_SUBST(USE_OPROFILE, [0])
1238 AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE,
1239 [Define if we have the oprofile JIT-support library])
1241 dnl Enable support for Intel JIT Events API.
1242 AC_ARG_WITH(intel-jitevents,
1243 AS_HELP_STRING([--with-intel-jitevents=<vtune-amplifier-dir>],
1244 [Specify location of run-time support library for Intel JIT API (default=/opt/intel/vtune_amplifier_xe_2011)]),
1246 case $llvm_cv_os_type in
1247 Linux|Win32|Cygwin|MingW) ;;
1250 Intel JIT API support is available on Linux and Windows only."]) ;;
1253 AC_SUBST(USE_INTEL_JITEVENTS, [1])
1254 case "$llvm_cv_target_arch" in
1255 x86) llvm_intel_jitevents_archdir="lib32";;
1256 x86_64) llvm_intel_jitevents_archdir="lib64";;
1257 *) echo "Target architecture $llvm_cv_target_arch does not support Intel JIT Events API"
1260 INTEL_JITEVENTS_INCDIR="/opt/intel/vtune_amplifier_xe_2011/include"
1261 INTEL_JITEVENTS_LIBDIR="/opt/intel/vtune_amplifier_xe_2011/$llvm_intel_jitevents_archdir"
1263 /* | [[A-Za-z]]:[[\\/]]*) INTEL_JITEVENTS_INCDIR=$withval/include
1264 INTEL_JITEVENTS_LIBDIR=$withval/$llvm_intel_jitevents_archdir ;;
1268 AC_SUBST(INTEL_JITEVENTS_INCDIR)
1269 AC_SUBST(INTEL_JITEVENTS_LIBDIR)
1271 LIBS="$LIBS -L${INTEL_JITEVENTS_LIBDIR}"
1272 CPPFLAGS="$CPPFLAGS -I$INTEL_JITEVENTS_INCDIR"
1274 AC_SEARCH_LIBS(iJIT_IsProfilingActive, jitprofiling, [], [
1275 echo "Error! Cannot find libjitprofiling.a. Please check path specified in flag --with-intel-jitevents"
1278 AC_CHECK_HEADER([jitprofiling.h], [], [
1279 echo "Error! Cannot find jitprofiling.h. Please check path specified in flag --with-intel-jitevents"
1285 AC_SUBST(USE_INTEL_JITEVENTS, [0])
1287 AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS,
1288 [Define if we have the Intel JIT API runtime support library])
1290 dnl===-----------------------------------------------------------------------===
1292 dnl=== SECTION 6: Check for header files
1294 dnl===-----------------------------------------------------------------------===
1296 dnl First, use autoconf provided macros for specific headers that we need
1297 dnl We don't check for ancient stuff or things that are guaranteed to be there
1298 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1299 dnl Generally we're looking for POSIX headers.
1301 AC_HEADER_MMAP_ANONYMOUS
1306 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1307 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1308 AC_CHECK_HEADERS([utime.h windows.h])
1309 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1310 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1311 AC_CHECK_HEADERS([valgrind/valgrind.h])
1312 AC_CHECK_HEADERS([fenv.h])
1313 if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1314 AC_CHECK_HEADERS(pthread.h,
1315 AC_SUBST(HAVE_PTHREAD, 1),
1316 AC_SUBST(HAVE_PTHREAD, 0))
1318 AC_SUBST(HAVE_PTHREAD, 0)
1321 dnl Try to find ffi.h.
1322 if test "$llvm_cv_enable_libffi" = "yes" ; then
1323 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1326 dnl Try to find Darwin specific crash reporting libraries.
1327 AC_CHECK_HEADERS([CrashReporterClient.h])
1329 dnl Try to find Darwin specific crash reporting global.
1330 AC_MSG_CHECKING([__crashreporter_info__])
1333 [[extern const char *__crashreporter_info__;
1335 __crashreporter_info__ = "test";
1340 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1342 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1343 Define if __crashreporter_info__ exists.))
1345 dnl===-----------------------------------------------------------------------===
1347 dnl=== SECTION 7: Check for types and structures
1349 dnl===-----------------------------------------------------------------------===
1354 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1356 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1357 AC_CHECK_TYPES([uint64_t],,
1358 AC_CHECK_TYPES([u_int64_t],,
1359 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1361 dnl===-----------------------------------------------------------------------===
1363 dnl=== SECTION 8: Check for specific functions needed
1365 dnl===-----------------------------------------------------------------------===
1367 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1368 AC_CHECK_FUNCS([powf fmodf strtof round ])
1369 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1370 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1371 AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
1372 AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ])
1373 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1374 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1378 dnl Check the declaration "Secure API" on Windows environments.
1379 AC_CHECK_DECLS([strerror_s])
1381 dnl Check symbols in libgcc.a for JIT on Mingw.
1382 if test "$llvm_cv_os_type" = "MingW" ; then
1383 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1384 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1385 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1386 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1388 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1389 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1390 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1391 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1392 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1393 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1394 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1395 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1396 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1397 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1399 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1400 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1403 dnl Check Win32 API EnumerateLoadedModules.
1404 if test "$llvm_cv_os_type" = "MingW" ; then
1405 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1406 AC_COMPILE_IFELSE([[#include <windows.h>
1407 #include <imagehlp.h>
1408 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1409 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1411 AC_MSG_RESULT([yes])
1412 llvm_cv_win32_elmcb_pcstr="PCSTR"
1416 llvm_cv_win32_elmcb_pcstr="PSTR"
1418 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1421 dnl Check for variations in the Standard C++ library and STL. These macros are
1422 dnl provided by LLVM in the autoconf/m4 directory.
1426 dnl Check for mmap support.We also need to know if /dev/zero is required to
1427 dnl be opened for allocating RWX memory.
1428 dnl Make sure we aren't attempting to configure for an unknown system
1429 if test "$llvm_cv_platform_type" = "Unix" ; then
1432 AC_NEED_DEV_ZERO_FOR_MMAP
1434 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1436 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1438 if test "$ac_cv_func_mmap_file" = "no"
1440 AC_MSG_WARN([mmap() of files required but not found])
1444 dnl atomic builtins are required for threading support.
1445 AC_MSG_CHECKING(for GCC atomic builtins)
1446 dnl Since we'll be using these atomic builtins in C++ files we should test
1447 dnl the C++ compiler.
1452 volatile unsigned long val = 1;
1453 __sync_synchronize();
1454 __sync_val_compare_and_swap(&val, 1, 0);
1455 __sync_add_and_fetch(&val, 1);
1456 __sync_sub_and_fetch(&val, 1);
1462 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics),
1464 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics)
1465 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1467 dnl===-----------------------------------------------------------------------===
1469 dnl=== SECTION 9: Additional checks, variables, etc.
1471 dnl===-----------------------------------------------------------------------===
1473 dnl Handle 32-bit linux systems running a 64-bit kernel.
1474 dnl This has to come after section 4 because it invokes the compiler.
1475 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1477 if test "$llvm_cv_linux_mixed" = "yes"; then
1478 llvm_cv_target_arch="x86"
1483 dnl Check whether __dso_handle is present
1484 AC_CHECK_FUNCS([__dso_handle])
1486 dnl Propagate the shared library extension that the libltdl checks did to
1487 dnl the Makefiles so we can use it there too
1488 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1490 dnl Propagate the run-time library path variable that the libltdl
1491 dnl checks found to the Makefiles so we can use it there too
1492 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1494 dnl Translate the various configuration directories and other basic
1495 dnl information into substitutions that will end up in Makefile.config.in
1496 dnl that these configured values can be used by the makefiles
1497 if test "${prefix}" = "NONE" ; then
1500 eval LLVM_PREFIX="${prefix}";
1501 eval LLVM_BINDIR="${prefix}/bin";
1502 eval LLVM_LIBDIR="${prefix}/lib";
1503 eval LLVM_DATADIR="${prefix}/share/llvm";
1504 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1505 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1506 eval LLVM_INCLUDEDIR="${prefix}/include";
1507 eval LLVM_INFODIR="${prefix}/info";
1508 eval LLVM_MANDIR="${prefix}/man";
1509 LLVM_CONFIGTIME=`date`
1510 AC_SUBST(LLVM_PREFIX)
1511 AC_SUBST(LLVM_BINDIR)
1512 AC_SUBST(LLVM_LIBDIR)
1513 AC_SUBST(LLVM_DATADIR)
1514 AC_SUBST(LLVM_DOCSDIR)
1515 AC_SUBST(LLVM_ETCDIR)
1516 AC_SUBST(LLVM_INCLUDEDIR)
1517 AC_SUBST(LLVM_INFODIR)
1518 AC_SUBST(LLVM_MANDIR)
1519 AC_SUBST(LLVM_CONFIGTIME)
1521 dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS.
1522 if test "${ENABLE_TIMESTAMPS}" = "0"; then
1523 LLVM_CONFIGTIME="(timestamp not enabled)"
1526 dnl Place the various directories into the config.h file as #defines so that we
1527 dnl can know about the installation paths within LLVM.
1528 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1529 [Installation prefix directory])
1530 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1531 [Installation directory for binary executables])
1532 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1533 [Installation directory for libraries])
1534 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1535 [Installation directory for data files])
1536 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1537 [Installation directory for documentation])
1538 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1539 [Installation directory for config files])
1540 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1541 [Installation directory for include files])
1542 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1543 [Installation directory for .info files])
1544 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1545 [Installation directory for man pages])
1546 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1547 [Time at which LLVM was configured])
1548 AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
1549 [Target triple LLVM will generate code for by default])
1551 dnl Determine which bindings to build.
1552 if test "$BINDINGS_TO_BUILD" = auto ; then
1553 BINDINGS_TO_BUILD=""
1554 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1555 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1558 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1560 dnl This isn't really configurey, but it avoids having to repeat the list in
1562 AC_SUBST(ALL_BINDINGS,ocaml)
1564 dnl Do any work necessary to ensure that bindings have what they need.
1565 binding_prereqs_failed=0
1566 for a_binding in $BINDINGS_TO_BUILD ; do
1567 case "$a_binding" in
1569 if test "x$OCAMLC" = x ; then
1570 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1571 binding_prereqs_failed=1
1573 if test "x$OCAMLDEP" = x ; then
1574 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1575 binding_prereqs_failed=1
1577 if test "x$OCAMLOPT" = x ; then
1578 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1579 dnl ocamlopt is optional!
1581 if test "x$with_ocaml_libdir" != xauto ; then
1582 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1584 ocaml_stdlib="`"$OCAMLC" -where`"
1585 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1587 # ocaml stdlib is beneath our prefix; use stdlib
1588 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1590 # ocaml stdlib is outside our prefix; use libdir/ocaml
1591 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1597 if test "$binding_prereqs_failed" = 1 ; then
1598 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1601 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1602 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1604 dnl Determine linker rpath flag
1605 if test "$llvm_cv_link_use_r" = "yes" ; then
1612 dnl Determine linker rdynamic flag
1613 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1614 RDYNAMIC="-Wl,-export-dynamic"
1620 dnl===-----------------------------------------------------------------------===
1622 dnl=== SECTION 10: Specify the output files and generate it
1624 dnl===-----------------------------------------------------------------------===
1626 dnl Configure header files
1627 dnl WARNING: dnl If you add or remove any of the following config headers, then
1628 dnl you MUST also update Makefile so that the variable FilesToConfig
1629 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1630 dnl files can be updated automatically when their *.in sources change.
1631 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1632 AH_TOP([#ifndef CONFIG_H
1636 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1637 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1638 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1639 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1640 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1642 dnl Configure the makefile's configuration data
1643 AC_CONFIG_FILES([Makefile.config])
1645 dnl Configure the RPM spec file for LLVM
1646 AC_CONFIG_FILES([llvm.spec])
1648 dnl Configure doxygen's configuration file
1649 AC_CONFIG_FILES([docs/doxygen.cfg])
1651 dnl Configure clang, if present
1652 if test "${clang_src_root}" = ""; then
1653 clang_src_root="$srcdir/tools/clang"
1655 if test -f ${clang_src_root}/README.txt; then
1656 dnl Use variables to stay under 80 columns.
1657 configh="include/clang/Config/config.h"
1658 doxy="docs/doxygen.cfg"
1659 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in])
1660 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in])
1663 dnl OCaml findlib META file
1664 AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm])
1666 dnl Do special configuration of Makefiles
1667 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1668 AC_CONFIG_MAKEFILE(Makefile)
1669 AC_CONFIG_MAKEFILE(Makefile.common)
1670 AC_CONFIG_MAKEFILE(examples/Makefile)
1671 AC_CONFIG_MAKEFILE(lib/Makefile)
1672 AC_CONFIG_MAKEFILE(runtime/Makefile)
1673 AC_CONFIG_MAKEFILE(test/Makefile)
1674 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1675 AC_CONFIG_MAKEFILE(unittests/Makefile)
1676 AC_CONFIG_MAKEFILE(tools/Makefile)
1677 AC_CONFIG_MAKEFILE(utils/Makefile)
1678 AC_CONFIG_MAKEFILE(projects/Makefile)
1679 AC_CONFIG_MAKEFILE(bindings/Makefile)
1680 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1682 dnl Finally, crank out the output