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 email address for reporting bugs.
34 AC_INIT([[llvm]],[[3.0svn]],[llvmbugs@cs.uiuc.edu])
36 dnl Provide a copyright substitution and ensure the copyright notice is included
37 dnl in the output of --version option of the generated configure script.
38 AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2011 University of Illinois at Urbana-Champaign."])
39 AC_COPYRIGHT([Copyright (c) 2003-2011 University of Illinois at Urbana-Champaign.])
41 dnl Indicate that we require autoconf 2.59 or later. Ths is needed because we
42 dnl use some autoconf macros only available in 2.59.
45 dnl Verify that the source directory is valid. This makes sure that we are
46 dnl configuring LLVM and not some other package (it validates --srcdir argument)
47 AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp])
49 dnl Place all of the extra autoconf files into the config subdirectory. Tell
50 dnl various tools where the m4 autoconf macros are.
51 AC_CONFIG_AUX_DIR([autoconf])
53 dnl Quit if the source directory has already been configured.
54 dnl NOTE: This relies upon undocumented autoconf behavior.
55 if test ${srcdir} != "." ; then
56 if test -f ${srcdir}/include/llvm/Config/config.h ; then
57 AC_MSG_ERROR([Already configured in ${srcdir}])
61 dnl We need to check for the compiler up here to avoid anything else
62 dnl starting with a different one.
63 AC_PROG_CC(clang llvm-gcc gcc)
64 AC_PROG_CXX(clang++ llvm-g++ g++)
67 dnl Configure all of the projects present in our source tree. While we could
68 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
69 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
70 dnl Instead we match on the known projects.
73 dnl One tricky part of doing this is that some projects depend upon other
74 dnl projects. For example, several projects rely upon the LLVM test suite.
75 dnl We want to configure those projects first so that their object trees are
76 dnl created before running the configure scripts of projects that depend upon
80 dnl Several projects use llvm-gcc, so configure that first
81 if test -d ${srcdir}/projects/llvm-gcc ; then
82 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
85 dnl Several projects use the LLVM test suite, so configure it next.
86 if test -d ${srcdir}/projects/test-suite ; then
87 AC_CONFIG_SUBDIRS([projects/test-suite])
90 dnl llvm-test is the old name of the test-suite, kept here for backwards
92 if test -d ${srcdir}/projects/llvm-test ; then
93 AC_CONFIG_SUBDIRS([projects/llvm-test])
96 dnl Some projects use poolalloc; configure that next
97 if test -d ${srcdir}/projects/poolalloc ; then
98 AC_CONFIG_SUBDIRS([projects/poolalloc])
101 if test -d ${srcdir}/projects/llvm-poolalloc ; then
102 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
105 dnl Check for all other projects
106 for i in `ls ${srcdir}/projects`
108 if test -d ${srcdir}/projects/${i} ; then
110 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
111 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
112 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
113 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
114 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
115 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
116 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
117 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
124 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
130 dnl Disable the build of polly, even if it is checked out into tools/polly.
132 AS_HELP_STRING([--enable-polly],
133 [Use polly if available (default is YES)]),,
136 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
137 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
138 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
139 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
143 dnl Check if polly is checked out into tools/polly and configure it if
145 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
146 AC_SUBST(LLVM_HAS_POLLY,1)
147 AC_CONFIG_SUBDIRS([tools/polly])
150 dnl===-----------------------------------------------------------------------===
152 dnl=== SECTION 2: Architecture, target, and host checks
154 dnl===-----------------------------------------------------------------------===
156 dnl Check the target for which we're compiling and the host that will do the
157 dnl compilations. This will tell us which LLVM compiler will be used for
158 dnl compiling SSA into object code. This needs to be done early because
159 dnl following tests depend on it.
162 dnl Determine the platform type and cache its value. This helps us configure
163 dnl the System library to the correct build platform.
164 AC_CACHE_CHECK([type of operating system we're going to host on],
168 llvm_cv_link_all_option="-Wl,--whole-archive"
169 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
170 llvm_cv_os_type="AIX"
171 llvm_cv_platform_type="Unix" ;;
173 llvm_cv_link_all_option="-Wl,--whole-archive"
174 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
175 llvm_cv_os_type="IRIX"
176 llvm_cv_platform_type="Unix" ;;
178 llvm_cv_link_all_option="-Wl,--whole-archive"
179 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
180 llvm_cv_os_type="Cygwin"
181 llvm_cv_platform_type="Unix" ;;
183 llvm_cv_link_all_option="-Wl,-all_load"
184 llvm_cv_no_link_all_option="-Wl,-noall_load"
185 llvm_cv_os_type="Darwin"
186 llvm_cv_platform_type="Unix" ;;
188 llvm_cv_link_all_option="-Wl,-all_load"
189 llvm_cv_no_link_all_option="-Wl,-noall_load"
190 llvm_cv_os_type="Minix"
191 llvm_cv_platform_type="Unix" ;;
193 llvm_cv_link_all_option="-Wl,--whole-archive"
194 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
195 llvm_cv_os_type="FreeBSD"
196 llvm_cv_platform_type="Unix" ;;
198 llvm_cv_link_all_option="-Wl,--whole-archive"
199 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
200 llvm_cv_os_type="OpenBSD"
201 llvm_cv_platform_type="Unix" ;;
203 llvm_cv_link_all_option="-Wl,--whole-archive"
204 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
205 llvm_cv_os_type="NetBSD"
206 llvm_cv_platform_type="Unix" ;;
208 llvm_cv_link_all_option="-Wl,--whole-archive"
209 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
210 llvm_cv_os_type="DragonFly"
211 llvm_cv_platform_type="Unix" ;;
213 llvm_cv_link_all_option="-Wl,--whole-archive"
214 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
215 llvm_cv_os_type="HP-UX"
216 llvm_cv_platform_type="Unix" ;;
218 llvm_cv_link_all_option="-Wl,--whole-archive"
219 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
220 llvm_cv_os_type="Interix"
221 llvm_cv_platform_type="Unix" ;;
223 llvm_cv_link_all_option="-Wl,--whole-archive"
224 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
225 llvm_cv_os_type="Linux"
226 llvm_cv_platform_type="Unix" ;;
228 llvm_cv_link_all_option="-Wl,-z,allextract"
229 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
230 llvm_cv_os_type="SunOS"
231 llvm_cv_platform_type="Unix" ;;
233 llvm_cv_link_all_option="-Wl,-z,allextract"
234 llvm_cv_link_all_option="-Wl,-z,defaultextract"
235 llvm_cv_os_type="AuroraUX"
236 llvm_cv_platform_type="Unix" ;;
238 llvm_cv_link_all_option="-Wl,--whole-archive"
239 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
240 llvm_cv_os_type="Win32"
241 llvm_cv_platform_type="Win32" ;;
243 llvm_cv_link_all_option="-Wl,--whole-archive"
244 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
245 llvm_cv_os_type="MingW"
246 llvm_cv_platform_type="Win32" ;;
248 llvm_cv_link_all_option="-Wl,--whole-archive"
249 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
250 llvm_cv_os_type="Haiku"
251 llvm_cv_platform_type="Unix" ;;
253 llvm_cv_link_all_option="-Wl,--whole-archive"
254 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
255 llvm_cv_os_type="Freestanding"
256 llvm_cv_platform_type="Unix" ;;
258 llvm_cv_link_all_option="-Wl,--whole-archive"
259 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
260 llvm_cv_os_type="Freestanding"
261 llvm_cv_platform_type="Unix" ;;
263 llvm_cv_link_all_option=""
264 llvm_cv_no_link_all_option=""
265 llvm_cv_os_type="Unknown"
266 llvm_cv_platform_type="Unknown" ;;
269 AC_CACHE_CHECK([type of operating system we're going to target],
270 [llvm_cv_target_os_type],
273 llvm_cv_target_os_type="AIX" ;;
275 llvm_cv_target_os_type="IRIX" ;;
277 llvm_cv_target_os_type="Cygwin" ;;
279 llvm_cv_target_os_type="Darwin" ;;
281 llvm_cv_target_os_type="Minix" ;;
283 llvm_cv_target_os_type="FreeBSD" ;;
285 llvm_cv_target_os_type="OpenBSD" ;;
287 llvm_cv_target_os_type="NetBSD" ;;
289 llvm_cv_target_os_type="DragonFly" ;;
291 llvm_cv_target_os_type="HP-UX" ;;
293 llvm_cv_target_os_type="Interix" ;;
295 llvm_cv_target_os_type="Linux" ;;
297 llvm_cv_target_os_type="SunOS" ;;
299 llvm_cv_target_os_type="AuroraUX" ;;
301 llvm_cv_target_os_type="Win32" ;;
303 llvm_cv_target_os_type="MingW" ;;
305 llvm_cv_target_os_type="Haiku" ;;
307 llvm_cv_target_os_type="RTEMS" ;;
309 llvm_cv_target_os_type="NativeClient" ;;
311 llvm_cv_target_os_type="Freestanding" ;;
313 llvm_cv_target_os_type="Unknown" ;;
316 dnl Make sure we aren't attempting to configure for an unknown system
317 if test "$llvm_cv_os_type" = "Unknown" ; then
318 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
321 dnl Set the "OS" Makefile variable based on the platform type so the
322 dnl makefile can configure itself to specific build hosts
323 AC_SUBST(OS,$llvm_cv_os_type)
324 AC_SUBST(HOST_OS,$llvm_cv_os_type)
325 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
327 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
328 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
329 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
331 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
332 dnl This is used by lib/Support to determine the basic kind of implementation
334 case $llvm_cv_platform_type in
336 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
337 AC_SUBST(LLVM_ON_UNIX,[1])
338 AC_SUBST(LLVM_ON_WIN32,[0])
341 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
342 AC_SUBST(LLVM_ON_UNIX,[0])
343 AC_SUBST(LLVM_ON_WIN32,[1])
347 dnl Determine what our target architecture is and configure accordingly.
348 dnl This will allow Makefiles to make a distinction between the hardware and
350 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
352 i?86-*) llvm_cv_target_arch="x86" ;;
353 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
354 sparc*-*) llvm_cv_target_arch="Sparc" ;;
355 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
356 alpha*-*) llvm_cv_target_arch="Alpha" ;;
357 arm*-*) llvm_cv_target_arch="ARM" ;;
358 mips-*) llvm_cv_target_arch="Mips" ;;
359 xcore-*) llvm_cv_target_arch="XCore" ;;
360 msp430-*) llvm_cv_target_arch="MSP430" ;;
361 s390x-*) llvm_cv_target_arch="SystemZ" ;;
362 bfin-*) llvm_cv_target_arch="Blackfin" ;;
363 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
364 ptx-*) llvm_cv_target_arch="PTX" ;;
365 *) llvm_cv_target_arch="Unknown" ;;
368 if test "$llvm_cv_target_arch" = "Unknown" ; then
369 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
372 # Determine the LLVM native architecture for the target
373 case "$llvm_cv_target_arch" in
374 x86) LLVM_NATIVE_ARCH="X86" ;;
375 x86_64) LLVM_NATIVE_ARCH="X86" ;;
376 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
379 dnl Define a substitution, ARCH, for the target architecture
380 AC_SUBST(ARCH,$llvm_cv_target_arch)
382 dnl Check for the endianness of the target
383 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
385 dnl Check for build platform executable suffix if we're crosscompiling
386 if test "$cross_compiling" = yes; then
387 AC_SUBST(LLVM_CROSS_COMPILING, [1])
389 ac_build_prefix=${build_alias}-
390 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
391 if test -z "$BUILD_CXX"; then
392 AC_CHECK_PROG(BUILD_CXX, g++, g++)
393 if test -z "$BUILD_CXX"; then
394 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
398 AC_SUBST(LLVM_CROSS_COMPILING, [0])
401 dnl Check to see if there's a .svn or .git directory indicating that this
402 dnl build is being done from a checkout. This sets up several defaults for
403 dnl the command line switches. When we build with a checkout directory,
404 dnl we get a debug with assertions turned on. Without, we assume a source
405 dnl release and we get an optimized build without assertions.
406 dnl See --enable-optimized and --enable-assertions below
407 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
410 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
416 dnl===-----------------------------------------------------------------------===
418 dnl=== SECTION 3: Command line arguments for the configure script.
420 dnl===-----------------------------------------------------------------------===
422 dnl --enable-optimized : check whether they want to do an optimized build:
423 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
424 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
425 if test ${enableval} = "no" ; then
426 AC_SUBST(ENABLE_OPTIMIZED,[[]])
428 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
431 dnl --enable-profiling : check whether they want to do a profile build:
432 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
433 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
434 if test ${enableval} = "no" ; then
435 AC_SUBST(ENABLE_PROFILING,[[]])
437 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
440 dnl --enable-assertions : check whether they want to turn on assertions or not:
441 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
442 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
443 if test ${enableval} = "yes" ; then
444 AC_SUBST(DISABLE_ASSERTIONS,[[]])
446 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
449 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
450 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
451 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
452 if test ${enableval} = "yes" ; then
453 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
454 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
456 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
457 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
460 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
461 AC_ARG_ENABLE(debug-runtime,
462 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
463 if test ${enableval} = "no" ; then
464 AC_SUBST(DEBUG_RUNTIME,[[]])
466 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
469 dnl --enable-debug-symbols : should even optimized compiler libraries
470 dnl have debug symbols?
471 AC_ARG_ENABLE(debug-symbols,
472 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)
473 if test ${enableval} = "no" ; then
474 AC_SUBST(DEBUG_SYMBOLS,[[]])
476 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
479 dnl --enable-jit: check whether they want to enable the jit
481 AS_HELP_STRING(--enable-jit,
482 [Enable Just In Time Compiling (default is YES)]),,
484 if test ${enableval} = "no"
488 case "$llvm_cv_target_arch" in
489 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
490 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
491 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
492 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
493 Alpha) AC_SUBST(TARGET_HAS_JIT,0) ;;
494 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
495 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
496 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
497 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
498 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
499 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
500 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
501 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
502 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
506 dnl Allow enablement of building and installing docs
508 AS_HELP_STRING([--enable-docs],
509 [Build documents (default is YES)]),,
512 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
513 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
514 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
515 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
518 dnl Allow enablement of doxygen generated documentation
519 AC_ARG_ENABLE(doxygen,
520 AS_HELP_STRING([--enable-doxygen],
521 [Build doxygen documentation (default is NO)]),,
524 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
525 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
526 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
527 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
530 dnl Allow disablement of threads
531 AC_ARG_ENABLE(threads,
532 AS_HELP_STRING([--enable-threads],
533 [Use threads if available (default is YES)]),,
536 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
537 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
538 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
539 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
541 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
543 dnl Allow disablement of pthread.h
544 AC_ARG_ENABLE(pthreads,
545 AS_HELP_STRING([--enable-pthreads],
546 [Use pthreads if available (default is YES)]),,
549 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
550 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
551 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
552 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
555 dnl Allow building without position independent code
557 AS_HELP_STRING([--enable-pic],
558 [Build LLVM with Position Independent Code (default is YES)]),,
561 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
562 no) AC_SUBST(ENABLE_PIC,[0]) ;;
563 default) AC_SUBST(ENABLE_PIC,[1]) ;;
564 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
566 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
567 [Define if position independent code is enabled])
569 dnl Allow building a shared library and linking tools against it.
570 AC_ARG_ENABLE(shared,
571 AS_HELP_STRING([--enable-shared],
572 [Build a shared library and link tools against it (default is NO)]),,
575 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
576 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
577 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
578 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
581 dnl Allow libstdc++ is embedded in LLVM.dll.
582 AC_ARG_ENABLE(embed-stdcxx,
583 AS_HELP_STRING([--enable-embed-stdcxx],
584 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
587 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
588 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
589 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
590 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
593 dnl Enable embedding timestamp information into build.
594 AC_ARG_ENABLE(timestamps,
595 AS_HELP_STRING([--enable-timestamps],
596 [Enable embedding timestamp information in build (default is YES)]),,
599 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
600 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
601 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
602 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
604 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
605 [Define if timestamp information (e.g., __DATE___) is allowed])
607 dnl Allow specific targets to be specified for building (or not)
609 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
610 [Build specific host targets: all or target1,target2,... Valid targets are:
611 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu,
612 xcore, msp430, systemz, blackfin, ptx, cbe, and cpp (default=all)]),,
614 if test "$enableval" = host-only ; then
618 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU XCore MSP430 SystemZ Blackfin CBackend CppBackend MBlaze PTX" ;;
619 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
621 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
622 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
623 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
624 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
625 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
626 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
627 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
628 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
629 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
630 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
631 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
632 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
633 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
634 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
635 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
636 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
637 host) case "$llvm_cv_target_arch" in
638 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
639 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
640 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
641 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
642 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
643 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
644 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
645 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
646 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
647 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
648 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
649 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
650 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
651 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
652 *) AC_MSG_ERROR([Can not set target to build]) ;;
654 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
659 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
661 # Determine whether we are building LLVM support for the native architecture.
662 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
663 for a_target in $TARGETS_TO_BUILD; do
664 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
665 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
666 [LLVM architecture name for the native architecture, if available])
667 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
668 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
669 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC"
670 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
671 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
672 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
674 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
675 [LLVM name for the native Target init function, if available])
676 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
677 [LLVM name for the native TargetInfo init function, if available])
678 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC,
679 [LLVM name for the native target MC init function, if available])
680 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
681 [LLVM name for the native AsmPrinter init function, if available])
682 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
683 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
684 [LLVM name for the native AsmParser init function, if available])
689 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
690 # target feature def files.
692 LLVM_ENUM_ASM_PRINTERS=""
693 LLVM_ENUM_ASM_PARSERS=""
694 LLVM_ENUM_DISASSEMBLERS=""
695 for target_to_build in $TARGETS_TO_BUILD; do
696 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
697 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
698 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
700 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
701 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
703 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
704 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
707 AC_SUBST(LLVM_ENUM_TARGETS)
708 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
709 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
710 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
712 dnl Prevent the CBackend from using printf("%a") for floating point so older
713 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
714 dnl can still compile the CBE's output
715 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
716 [Enable C Backend output with hex floating point via %a (default is YES)]),,
719 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
720 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
721 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
722 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
724 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
725 [Define if CBE is enabled for printf %a output])
727 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
728 AC_ARG_WITH(llvmgccdir,
729 AS_HELP_STRING([--with-llvmgccdir],
730 [Specify location of llvm-gcc install dir (default searches PATH)]),,
733 default) WITH_LLVMGCCDIR=default ;;
734 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
735 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
738 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
740 AS_HELP_STRING([--with-llvmgcc],
741 [Specify location of llvm-gcc driver (default searches PATH)]),
742 LLVMGCC=$with_llvmgcc
745 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
747 AS_HELP_STRING([--with-llvmgxx],
748 [Specify location of llvm-g++ driver (default searches PATH)]),
749 LLVMGXX=$with_llvmgxx
752 if test -n "$LLVMGCC"; then
753 LLVMGCCCOMMAND="$LLVMGCC"
756 if test -n "$LLVMGXX"; then
757 LLVMGXXCOMMAND="$LLVMGXX"
760 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
761 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
764 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
765 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
768 dnl Allow a specific Clang compiler to be used with this LLVM config.
770 AS_HELP_STRING([--with-clang],
771 [Specify location of clang compiler (default is --with-built-clang)]),
772 [],[with_clang=default])
774 dnl Enable use of the built Clang.
775 AC_ARG_WITH(built-clang,
776 AS_HELP_STRING([--with-built-clang],
777 [Use the compiled Clang as the LLVM compiler (default=check)]),
778 [],[with_built_clang=check])
780 dnl Select the Clang compiler option.
782 dnl If --with-clang is given, always honor that; otherwise honor
783 dnl --with-built-clang, or check if we have the clang sources.
784 AC_MSG_CHECKING([clang compiler])
787 if test "$with_clang" != "default"; then
788 WITH_CLANGPATH="$with_clang"
789 if ! test -x "$WITH_CLANGPATH"; then
790 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
792 elif test "$with_built_clang" = "yes"; then
794 elif test "$with_built_clang" = "no"; then
797 if test "$with_built_clang" != "check"; then
798 AC_MSG_ERROR([invalid value for --with-built-clang.])
801 if test -f ${srcdir}/tools/clang/README.txt; then
806 if ! test -z "$WITH_CLANGPATH"; then
807 AC_MSG_RESULT([$WITH_CLANGPATH])
808 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
809 elif test "$WITH_BUILT_CLANG" = "1"; then
810 AC_MSG_RESULT([built])
812 AC_MSG_RESULT([none])
814 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
815 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
816 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
818 dnl Override the option to use for optimized builds.
819 AC_ARG_WITH(optimize-option,
820 AS_HELP_STRING([--with-optimize-option],
821 [Select the compiler options to use for optimized builds]),,
823 AC_MSG_CHECKING([optimization flags])
826 case "$llvm_cv_os_type" in
827 FreeBSD) optimize_option=-O2 ;;
828 MingW) optimize_option=-O2 ;;
829 *) optimize_option=-O3 ;;
831 *) optimize_option="$withval" ;;
833 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
834 AC_MSG_RESULT([$optimize_option])
836 dnl Specify extra build options
837 AC_ARG_WITH(extra-options,
838 AS_HELP_STRING([--with-extra-options],
839 [Specify additional options to compile LLVM with]),,
842 default) EXTRA_OPTIONS= ;;
843 *) EXTRA_OPTIONS=$withval ;;
845 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
847 dnl Specify extra linker build options
848 AC_ARG_WITH(extra-ld-options,
849 AS_HELP_STRING([--with-extra-ld-options],
850 [Specify additional options to link LLVM with]),,
853 default) EXTRA_LD_OPTIONS= ;;
854 *) EXTRA_LD_OPTIONS=$withval ;;
856 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
858 dnl Allow specific bindings to be specified for building (or not)
859 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
860 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
864 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
865 all ) BINDINGS_TO_BUILD="ocaml" ;;
866 none | no) BINDINGS_TO_BUILD="" ;;
867 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
869 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
870 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
876 dnl Allow the ocaml libdir to be overridden. This could go in a configure
877 dnl script for bindings/ocaml/configure, except that its auto value depends on
878 dnl OCAMLC, which is found here to support tests.
879 AC_ARG_WITH([ocaml-libdir],
880 [AS_HELP_STRING([--with-ocaml-libdir],
881 [Specify install location for ocaml bindings (default is stdlib)])],
885 auto) with_ocaml_libdir="$withval" ;;
886 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
887 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
890 AC_ARG_WITH(clang-resource-dir,
891 AS_HELP_STRING([--with-clang-resource-dir],
892 [Relative directory from the Clang binary for resource files]),,
894 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
895 [Relative directory for resource files])
897 AC_ARG_WITH(c-include-dirs,
898 AS_HELP_STRING([--with-c-include-dirs],
899 [Colon separated list of directories clang will search for headers]),,
901 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
902 [Directories clang will search for headers])
904 AC_ARG_WITH(cxx-include-root,
905 AS_HELP_STRING([--with-cxx-include-root],
906 [Directory with the libstdc++ headers.]),,
908 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
909 [Directory with the libstdc++ headers.])
911 AC_ARG_WITH(cxx-include-arch,
912 AS_HELP_STRING([--with-cxx-include-arch],
913 [Architecture of the libstdc++ headers.]),,
915 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
916 [Arch the libstdc++ headers.])
918 AC_ARG_WITH(cxx-include-32bit-dir,
919 AS_HELP_STRING([--with-cxx-include-32bit-dir],
920 [32 bit multilib dir.]),,
922 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
923 [32 bit multilib directory.])
925 AC_ARG_WITH(cxx-include-64bit-dir,
926 AS_HELP_STRING([--with-cxx-include-64bit-dir],
927 [64 bit multilib directory.]),,
929 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
930 [64 bit multilib directory.])
932 dnl Allow linking of LLVM with GPLv3 binutils code.
933 AC_ARG_WITH(binutils-include,
934 AS_HELP_STRING([--with-binutils-include],
935 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
938 default) WITH_BINUTILS_INCDIR=default ;;
939 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
940 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
942 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
943 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
944 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
945 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
946 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
950 dnl Specify the URL where bug reports should be submitted.
951 AC_ARG_WITH(bug-report-url,
952 AS_HELP_STRING([--with-bug-report-url],
953 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),,
954 withval="http://llvm.org/bugs/")
955 AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval",
958 dnl --enable-libffi : check whether the user wants to turn off libffi:
959 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
960 --enable-libffi,[Check for the presence of libffi (default is NO)]),
961 [case "$enableval" in
962 yes) llvm_cv_enable_libffi="yes" ;;
963 no) llvm_cv_enable_libffi="no" ;;
964 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
966 llvm_cv_enable_libffi=no)
968 dnl===-----------------------------------------------------------------------===
970 dnl=== SECTION 4: Check for programs we need and that they are the right version
972 dnl===-----------------------------------------------------------------------===
977 dnl Check for the tools that the makefiles require
980 AC_PATH_PROG(CMP, [cmp], [cmp])
981 AC_PATH_PROG(CP, [cp], [cp])
982 AC_PATH_PROG(DATE, [date], [date])
983 AC_PATH_PROG(FIND, [find], [find])
984 AC_PATH_PROG(GREP, [grep], [grep])
985 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
986 AC_PATH_PROG(MV, [mv], [mv])
988 AC_CHECK_TOOL(AR, ar, false)
989 AC_PATH_PROG(RM, [rm], [rm])
990 AC_PATH_PROG(SED, [sed], [sed])
991 AC_PATH_PROG(TAR, [tar], [gtar])
992 AC_PATH_PROG(BINPWD,[pwd], [pwd])
994 dnl Looking for misc. graph plotting software
995 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
996 if test "$GRAPHVIZ" != "echo Graphviz" ; then
997 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
998 dnl If we're targeting for mingw we should emit windows paths, not msys
999 if test "$llvm_cv_os_type" = "MingW" ; then
1000 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1002 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
1003 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
1005 AC_PATH_PROG(DOT, [dot], [echo dot])
1006 if test "$DOT" != "echo dot" ; then
1007 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
1008 dnl If we're targeting for mingw we should emit windows paths, not msys
1009 if test "$llvm_cv_os_type" = "MingW" ; then
1010 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1012 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
1013 [Define to path to dot program if found or 'echo dot' otherwise])
1015 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1016 if test "$FDP" != "echo fdp" ; then
1017 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1018 dnl If we're targeting for mingw we should emit windows paths, not msys
1019 if test "$llvm_cv_os_type" = "MingW" ; then
1020 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1022 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1023 [Define to path to fdp program if found or 'echo fdp' otherwise])
1025 AC_PATH_PROG(NEATO, [neato], [echo neato])
1026 if test "$NEATO" != "echo neato" ; then
1027 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1028 dnl If we're targeting for mingw we should emit windows paths, not msys
1029 if test "$llvm_cv_os_type" = "MingW" ; then
1030 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1032 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1033 [Define to path to neato program if found or 'echo neato' otherwise])
1035 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1036 if test "$TWOPI" != "echo twopi" ; then
1037 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1038 dnl If we're targeting for mingw we should emit windows paths, not msys
1039 if test "$llvm_cv_os_type" = "MingW" ; then
1040 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1042 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1043 [Define to path to twopi program if found or 'echo twopi' otherwise])
1045 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1046 if test "$CIRCO" != "echo circo" ; then
1047 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1048 dnl If we're targeting for mingw we should emit windows paths, not msys
1049 if test "$llvm_cv_os_type" = "MingW" ; then
1050 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1052 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1053 [Define to path to circo program if found or 'echo circo' otherwise])
1055 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1056 if test "$GV" != "echo gv" ; then
1057 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1058 dnl If we're targeting for mingw we should emit windows paths, not msys
1059 if test "$llvm_cv_os_type" = "MingW" ; then
1060 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1062 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1063 [Define to path to gv program if found or 'echo gv' otherwise])
1065 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1066 if test "$DOTTY" != "echo dotty" ; then
1067 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1068 dnl If we're targeting for mingw we should emit windows paths, not msys
1069 if test "$llvm_cv_os_type" = "MingW" ; then
1070 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1072 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1073 [Define to path to dotty program if found or 'echo dotty' otherwise])
1075 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1076 if test "$XDOT_PY" != "echo xdot.py" ; then
1077 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1078 dnl If we're targeting for mingw we should emit windows paths, not msys
1079 if test "$llvm_cv_os_type" = "MingW" ; then
1080 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1082 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1083 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1086 dnl Look for a sufficiently recent version of Perl.
1087 LLVM_PROG_PERL([5.006])
1089 if test x"$PERL" = xnone; then
1090 AC_SUBST(HAVE_PERL,0)
1091 AC_MSG_ERROR([perl is required but was not found, please install it])
1093 AC_SUBST(HAVE_PERL,1)
1096 dnl Find the install program
1098 dnl Prepend src dir to install path dir if it's a relative path
1099 dnl This is a hack for installs that take place in something other
1100 dnl than the top level.
1102 [[\\/$]]* | ?:[[\\/]]* ) ;;
1103 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1106 dnl Checks for documentation and testing tools that we can do without. If these
1107 dnl are not found then they are set to "true" which always succeeds but does
1108 dnl nothing. This just lets the build output show that we could have done
1109 dnl something if the tool was available.
1110 AC_PATH_PROG(BZIP2, [bzip2])
1111 AC_PATH_PROG(CAT, [cat])
1112 AC_PATH_PROG(DOXYGEN, [doxygen])
1113 AC_PATH_PROG(GROFF, [groff])
1114 AC_PATH_PROG(GZIPBIN, [gzip])
1115 AC_PATH_PROG(POD2HTML, [pod2html])
1116 AC_PATH_PROG(POD2MAN, [pod2man])
1117 AC_PATH_PROG(PDFROFF, [pdfroff])
1118 AC_PATH_PROG(RUNTEST, [runtest])
1120 AC_PATH_PROG(ZIP, [zip])
1121 AC_PATH_PROGS(OCAMLC, [ocamlc])
1122 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1123 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1124 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1125 AC_PATH_PROGS(GAS, [gas as])
1127 dnl Get the version of the linker in use.
1130 dnl Determine whether the linker supports the -R option.
1133 dnl Determine whether the linker supports the -export-dynamic option.
1134 AC_LINK_EXPORT_DYNAMIC
1136 dnl Determine whether the linker supports the --version-script option.
1137 AC_LINK_VERSION_SCRIPT
1139 dnl Check for libtool and the library that has dlopen function (which must come
1140 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1145 if test "$WITH_LLVMGCCDIR" = "default" ; then
1146 LLVMGCC="llvm-gcc${EXEEXT}"
1147 LLVMGXX="llvm-g++${EXEEXT}"
1148 LLVMGCCCOMMAND="$LLVMGCC"
1149 LLVMGXXCOMMAND="$LLVMGXX"
1150 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1151 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1152 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
1153 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
1155 if test -z "$LLVMGCC"; then
1156 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1157 LLVMGCCCOMMAND="$LLVMGCC"
1159 if test -z "$LLVMGXX"; then
1160 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1161 LLVMGXXCOMMAND="$LLVMGXX"
1164 AC_SUBST(LLVMGCC,$LLVMGCC)
1165 AC_SUBST(LLVMGXX,$LLVMGXX)
1166 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1167 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1170 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1171 dnl found, otherwise clang if available.
1173 AS_HELP_STRING([--with-llvmcc=<name>],
1174 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1175 [],[with_llvmcc=check])
1176 AC_MSG_CHECKING([LLVM capable compiler])
1177 if test "$with_llvmcc" != "check"; then
1178 if (test "$with_llvmcc" != "llvm-gcc" &&
1179 test "$with_llvmcc" != "clang" &&
1180 test "$with_llvmcc" != "none"); then
1181 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1183 WITH_LLVMCC="$with_llvmcc"
1184 elif test -n "$LLVMGCC"; then
1185 WITH_LLVMCC=llvm-gcc
1186 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1191 AC_MSG_RESULT([$WITH_LLVMCC])
1192 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1194 AC_MSG_CHECKING([tool compatibility])
1196 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1197 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1198 dnl to support those options.
1199 dnl "icc" emits gcc signatures
1200 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1212 if test "$GCC" != "yes" && test "$ICC" != "yes"
1214 AC_MSG_ERROR([gcc|icc required but not found])
1217 dnl Ensure that compilation tools are compatible with GCC extensions
1218 if test "$GXX" != "yes" && test "$IXX" != "yes"
1220 AC_MSG_ERROR([g++|clang++|icc required but not found])
1223 dnl Verify that GCC is version 3.0 or higher
1224 if test "$GCC" = "yes"
1226 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1227 #error Unsupported GCC version
1229 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1232 dnl Check for GNU Make. We use its extensions, so don't build without it
1233 if test -z "$llvm_cv_gnu_make_command"
1235 AC_MSG_ERROR([GNU Make required but not found])
1238 dnl Tool compatibility is okay if we make it here.
1241 dnl Check optional compiler flags.
1242 AC_MSG_CHECKING([optional compiler flags])
1243 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1244 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1245 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1247 dnl===-----------------------------------------------------------------------===
1249 dnl=== SECTION 5: Check for libraries
1251 dnl===-----------------------------------------------------------------------===
1254 if test "$llvm_cv_os_type" = "MingW" ; then
1255 AC_CHECK_LIB(imagehlp, main)
1256 AC_CHECK_LIB(psapi, main)
1259 dnl dlopen() is required for plugin support.
1260 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1261 [Define if dlopen() is available on this platform.]),
1262 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1264 dnl libffi is optional; used to call external functions from the interpreter
1265 if test "$llvm_cv_enable_libffi" = "yes" ; then
1266 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1267 [Define if libffi is available on this platform.]),
1268 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1271 dnl mallinfo is optional; the code can compile (minus features) without it
1272 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1273 [Define if mallinfo() is available on this platform.]))
1275 dnl pthread locking functions are optional - but llvm will not be thread-safe
1277 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1278 AC_CHECK_LIB(pthread, pthread_mutex_init)
1279 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1280 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1281 [Have pthread_mutex_lock]))
1282 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1283 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1284 [Have pthread_rwlock_init]))
1285 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1286 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1287 [Have pthread_getspecific]))
1290 dnl Allow extra x86-disassembler library
1292 AS_HELP_STRING([--with-udis86=<path>],
1293 [Use udis86 external x86 disassembler library]),
1295 AC_SUBST(USE_UDIS86, [1])
1298 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1300 AC_CHECK_LIB(udis86, ud_init, [], [
1301 echo "Error! You need to have libudis86 around."
1305 AC_SUBST(USE_UDIS86, [0]))
1306 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1307 [Define if use udis86 library])
1309 dnl Allow OProfile support for JIT output.
1310 AC_ARG_WITH(oprofile,
1311 AS_HELP_STRING([--with-oprofile=<prefix>],
1312 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1314 AC_SUBST(USE_OPROFILE, [1])
1316 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1318 AC_SUBST(USE_OPROFILE, [0]) ;;
1319 *) llvm_cv_oppath="${withval}/lib/oprofile"
1320 CPPFLAGS="-I${withval}/include";;
1322 if test -n "$llvm_cv_oppath" ; then
1323 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1324 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1325 dnl libbfd is not included properly in libopagent in some Debian
1326 dnl versions. If libbfd isn't found at all, we assume opagent works
1328 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1329 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1330 echo "Error! You need to have libopagent around."
1333 AC_CHECK_HEADER([opagent.h], [], [
1334 echo "Error! You need to have opagent.h around."
1340 AC_SUBST(USE_OPROFILE, [0])
1342 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1343 [Define if we have the oprofile JIT-support library])
1345 dnl===-----------------------------------------------------------------------===
1347 dnl=== SECTION 6: Check for header files
1349 dnl===-----------------------------------------------------------------------===
1351 dnl First, use autoconf provided macros for specific headers that we need
1352 dnl We don't check for ancient stuff or things that are guaranteed to be there
1353 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1354 dnl Generally we're looking for POSIX headers.
1356 AC_HEADER_MMAP_ANONYMOUS
1362 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1363 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1364 AC_CHECK_HEADERS([utime.h windows.h])
1365 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1366 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1367 AC_CHECK_HEADERS([valgrind/valgrind.h])
1368 AC_CHECK_HEADERS([fenv.h])
1369 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1370 AC_CHECK_HEADERS(pthread.h,
1371 AC_SUBST(HAVE_PTHREAD, 1),
1372 AC_SUBST(HAVE_PTHREAD, 0))
1374 AC_SUBST(HAVE_PTHREAD, 0)
1377 dnl Try to find ffi.h.
1378 if test "$llvm_cv_enable_libffi" = "yes" ; then
1379 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1382 dnl Try to find Darwin specific crash reporting libraries.
1383 AC_CHECK_HEADERS([CrashReporterClient.h])
1385 dnl Try to find Darwin specific crash reporting global.
1386 AC_MSG_CHECKING([__crashreporter_info__])
1389 [[extern const char *__crashreporter_info__;
1391 __crashreporter_info__ = "test";
1396 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1398 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1399 Define if __crashreporter_info__ exists.))
1401 dnl===-----------------------------------------------------------------------===
1403 dnl=== SECTION 7: Check for types and structures
1405 dnl===-----------------------------------------------------------------------===
1410 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1412 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1413 AC_CHECK_TYPES([uint64_t],,
1414 AC_CHECK_TYPES([u_int64_t],,
1415 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1417 dnl===-----------------------------------------------------------------------===
1419 dnl=== SECTION 8: Check for specific functions needed
1421 dnl===-----------------------------------------------------------------------===
1423 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1424 AC_CHECK_FUNCS([powf fmodf strtof round ])
1425 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1426 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1427 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1428 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1429 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1430 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1434 dnl Check the declaration "Secure API" on Windows environments.
1435 AC_CHECK_DECLS([strerror_s])
1437 dnl Check symbols in libgcc.a for JIT on Mingw.
1438 if test "$llvm_cv_os_type" = "MingW" ; then
1439 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1440 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1441 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1442 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1444 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1445 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1446 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1447 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1448 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1449 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1450 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1451 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1452 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1453 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1455 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1456 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1459 dnl Check Win32 API EnumerateLoadedModules.
1460 if test "$llvm_cv_os_type" = "MingW" ; then
1461 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1462 AC_COMPILE_IFELSE([[#include <windows.h>
1463 #include <imagehlp.h>
1464 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1465 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1467 AC_MSG_RESULT([yes])
1468 llvm_cv_win32_elmcb_pcstr="PCSTR"
1472 llvm_cv_win32_elmcb_pcstr="PSTR"
1474 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1477 dnl Check for variations in the Standard C++ library and STL. These macros are
1478 dnl provided by LLVM in the autoconf/m4 directory.
1482 dnl Check for mmap support.We also need to know if /dev/zero is required to
1483 dnl be opened for allocating RWX memory.
1484 dnl Make sure we aren't attempting to configure for an unknown system
1485 if test "$llvm_cv_platform_type" = "Unix" ; then
1488 AC_NEED_DEV_ZERO_FOR_MMAP
1490 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1492 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1494 if test "$ac_cv_func_mmap_file" = "no"
1496 AC_MSG_WARN([mmap() of files required but not found])
1500 dnl atomic builtins are required for threading support.
1501 AC_MSG_CHECKING(for GCC atomic builtins)
1502 dnl Since we'll be using these atomic builtins in C++ files we should test
1503 dnl the C++ compiler.
1508 volatile unsigned long val = 1;
1509 __sync_synchronize();
1510 __sync_val_compare_and_swap(&val, 1, 0);
1511 __sync_add_and_fetch(&val, 1);
1512 __sync_sub_and_fetch(&val, 1);
1518 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1520 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1521 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1523 dnl===-----------------------------------------------------------------------===
1525 dnl=== SECTION 9: Additional checks, variables, etc.
1527 dnl===-----------------------------------------------------------------------===
1529 dnl Handle 32-bit linux systems running a 64-bit kernel.
1530 dnl This has to come after section 4 because it invokes the compiler.
1531 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1533 if test "$llvm_cv_linux_mixed" = "yes"; then
1534 llvm_cv_target_arch="x86"
1539 dnl Check, whether __dso_handle is present
1540 AC_CHECK_FUNCS([__dso_handle])
1542 dnl Check wether llvm-gcc is based on dragonegg
1543 AC_CACHE_CHECK([whether llvm-gcc is dragonegg],[llvm_cv_llvmgcc_dragonegg],
1544 [llvm_cv_llvmgcc_dragonegg="no"
1545 if test -n "$LLVMGCC" ; then
1546 cp /dev/null conftest.c
1547 $LLVMGCC -fplugin-arg-dragonegg-emit-ir -S -o - conftest.c > /dev/null 2>&1
1548 if test $? -eq 0 ; then
1549 llvm_cv_llvmgcc_dragonegg="yes"
1554 dnl Set the flags needed to emit LLVM IR and to disable optimizations
1556 if test "$llvm_cv_llvmgcc_dragonegg" = "yes" ; then
1557 LLVMCC_EMITIR_FLAG="-fplugin-arg-dragonegg-emit-ir"
1558 LLVMCC_DISABLEOPT_FLAGS="-fplugin-arg-dragonegg-llvm-ir-optimize=0"
1560 LLVMCC_EMITIR_FLAG="-emit-llvm"
1561 LLVMCC_DISABLEOPT_FLAGS="-mllvm -disable-llvm-optzns"
1564 AC_SUBST(LLVMCC_EMITIR_FLAG)
1566 dnl See if the llvm-gcc executable can compile to LLVM assembly
1567 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1568 [llvm_cv_llvmgcc_sanity="no"
1569 if test -n "$LLVMGCC" ; then
1570 cp /dev/null conftest.c
1571 $LLVMGCC "$LLVMCC_EMITIR_FLAG" -S -o - conftest.c | \
1572 grep 'target datalayout =' > /dev/null 2>&1
1573 if test $? -eq 0 ; then
1574 llvm_cv_llvmgcc_sanity="yes"
1579 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1580 dnl Furthermore, add some information about the tools
1581 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1582 AC_MSG_CHECKING([llvm-gcc component support])
1583 llvmcc1path=`$LLVMGCC --print-prog-name=cc1`
1584 AC_SUBST(LLVMCC1,$llvmcc1path)
1585 llvmcc1pluspath=`$LLVMGCC --print-prog-name=cc1plus`
1586 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1587 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1588 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1589 llvmgcclangs=[`$LLVMGCC -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1590 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1591 AC_SUBST(LLVMGCC_DRAGONEGG,$llvm_cv_llvmgcc_dragonegg)
1592 AC_SUBST(LLVMCC_DISABLEOPT_FLAGS)
1596 dnl Propagate the shared library extension that the libltdl checks did to
1597 dnl the Makefiles so we can use it there too
1598 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1600 dnl Propagate the run-time library path variable that the libltdl
1601 dnl checks found to the Makefiles so we can use it there too
1602 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1604 # Translate the various configuration directories and other basic
1605 # information into substitutions that will end up in Makefile.config.in
1606 # that these configured values can be used by the makefiles
1607 if test "${prefix}" = "NONE" ; then
1610 eval LLVM_PREFIX="${prefix}";
1611 eval LLVM_BINDIR="${prefix}/bin";
1612 eval LLVM_LIBDIR="${prefix}/lib";
1613 eval LLVM_DATADIR="${prefix}/share/llvm";
1614 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1615 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1616 eval LLVM_INCLUDEDIR="${prefix}/include";
1617 eval LLVM_INFODIR="${prefix}/info";
1618 eval LLVM_MANDIR="${prefix}/man";
1619 LLVM_CONFIGTIME=`date`
1620 AC_SUBST(LLVM_PREFIX)
1621 AC_SUBST(LLVM_BINDIR)
1622 AC_SUBST(LLVM_LIBDIR)
1623 AC_SUBST(LLVM_DATADIR)
1624 AC_SUBST(LLVM_DOCSDIR)
1625 AC_SUBST(LLVM_ETCDIR)
1626 AC_SUBST(LLVM_INCLUDEDIR)
1627 AC_SUBST(LLVM_INFODIR)
1628 AC_SUBST(LLVM_MANDIR)
1629 AC_SUBST(LLVM_CONFIGTIME)
1631 # Place the various directores into the config.h file as #defines so that we
1632 # can know about the installation paths within LLVM.
1633 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1634 [Installation prefix directory])
1635 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1636 [Installation directory for binary executables])
1637 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1638 [Installation directory for libraries])
1639 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1640 [Installation directory for data files])
1641 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1642 [Installation directory for documentation])
1643 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1644 [Installation directory for config files])
1645 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1646 [Installation directory for include files])
1647 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1648 [Installation directory for .info files])
1649 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1650 [Installation directory for man pages])
1651 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1652 [Time at which LLVM was configured])
1653 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1654 [Host triple we were built on])
1656 # Determine which bindings to build.
1657 if test "$BINDINGS_TO_BUILD" = auto ; then
1658 BINDINGS_TO_BUILD=""
1659 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1660 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1663 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1665 # This isn't really configurey, but it avoids having to repeat the list in
1667 AC_SUBST(ALL_BINDINGS,ocaml)
1669 # Do any work necessary to ensure that bindings have what they need.
1670 binding_prereqs_failed=0
1671 for a_binding in $BINDINGS_TO_BUILD ; do
1672 case "$a_binding" in
1674 if test "x$OCAMLC" = x ; then
1675 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1676 binding_prereqs_failed=1
1678 if test "x$OCAMLDEP" = x ; then
1679 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1680 binding_prereqs_failed=1
1682 if test "x$OCAMLOPT" = x ; then
1683 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1684 dnl ocamlopt is optional!
1686 if test "x$with_ocaml_libdir" != xauto ; then
1687 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1689 ocaml_stdlib="`"$OCAMLC" -where`"
1690 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1692 # ocaml stdlib is beneath our prefix; use stdlib
1693 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1695 # ocaml stdlib is outside our prefix; use libdir/ocaml
1696 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1702 if test "$binding_prereqs_failed" = 1 ; then
1703 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1706 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1707 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1709 dnl Determine linker rpath flag
1710 if test "$llvm_cv_link_use_r" = "yes" ; then
1717 dnl Determine linker rdynamic flag
1718 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1719 RDYNAMIC="-Wl,-export-dynamic"
1725 dnl===-----------------------------------------------------------------------===
1727 dnl=== SECTION 10: Specify the output files and generate it
1729 dnl===-----------------------------------------------------------------------===
1731 dnl Configure header files
1732 dnl WARNING: dnl If you add or remove any of the following config headers, then
1733 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1734 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1735 dnl files can be updated automatically when their *.in sources change.
1736 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1737 AH_TOP([#ifndef CONFIG_H
1741 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1742 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1743 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1744 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1745 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1747 dnl Configure the makefile's configuration data
1748 AC_CONFIG_FILES([Makefile.config])
1750 dnl Configure the RPM spec file for LLVM
1751 AC_CONFIG_FILES([llvm.spec])
1753 dnl Configure doxygen's configuration file
1754 AC_CONFIG_FILES([docs/doxygen.cfg])
1755 if test -f ${srcdir}/tools/clang/README.txt; then
1756 AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg])
1759 dnl Configure llvmc's Base plugin
1760 AC_CONFIG_FILES([tools/llvmc/src/Base.td])
1762 dnl Do the first stage of configuration for llvm-config.in.
1763 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1765 dnl Do special configuration of Makefiles
1766 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1767 AC_CONFIG_MAKEFILE(Makefile)
1768 AC_CONFIG_MAKEFILE(Makefile.common)
1769 AC_CONFIG_MAKEFILE(examples/Makefile)
1770 AC_CONFIG_MAKEFILE(lib/Makefile)
1771 AC_CONFIG_MAKEFILE(runtime/Makefile)
1772 AC_CONFIG_MAKEFILE(test/Makefile)
1773 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1774 AC_CONFIG_MAKEFILE(unittests/Makefile)
1775 AC_CONFIG_MAKEFILE(tools/Makefile)
1776 AC_CONFIG_MAKEFILE(utils/Makefile)
1777 AC_CONFIG_MAKEFILE(projects/Makefile)
1778 AC_CONFIG_MAKEFILE(bindings/Makefile)
1779 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1781 dnl Finally, crank out the output