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 Configure all of the projects present in our source tree. While we could
62 dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a
63 dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated.
64 dnl Instead we match on the known projects.
67 dnl One tricky part of doing this is that some projects depend upon other
68 dnl projects. For example, several projects rely upon the LLVM test suite.
69 dnl We want to configure those projects first so that their object trees are
70 dnl created before running the configure scripts of projects that depend upon
74 dnl Several projects use llvm-gcc, so configure that first
75 if test -d ${srcdir}/projects/llvm-gcc ; then
76 AC_CONFIG_SUBDIRS([projects/llvm-gcc])
79 dnl Several projects use the LLVM test suite, so configure it next.
80 if test -d ${srcdir}/projects/test-suite ; then
81 AC_CONFIG_SUBDIRS([projects/test-suite])
84 dnl llvm-test is the old name of the test-suite, kept here for backwards
86 if test -d ${srcdir}/projects/llvm-test ; then
87 AC_CONFIG_SUBDIRS([projects/llvm-test])
90 dnl Some projects use poolalloc; configure that next
91 if test -d ${srcdir}/projects/poolalloc ; then
92 AC_CONFIG_SUBDIRS([projects/poolalloc])
95 if test -d ${srcdir}/projects/llvm-poolalloc ; then
96 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc])
99 dnl Check for all other projects
100 for i in `ls ${srcdir}/projects`
102 if test -d ${srcdir}/projects/${i} ; then
104 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
105 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
106 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
107 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
108 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
109 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
110 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;;
111 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
118 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
124 dnl Disable the build of polly, even if it is checked out into tools/polly.
126 AS_HELP_STRING([--enable-polly],
127 [Use polly if available (default is YES)]),,
130 yes) AC_SUBST(ENABLE_POLLY,[1]) ;;
131 no) AC_SUBST(ENABLE_POLLY,[0]) ;;
132 default) AC_SUBST(ENABLE_POLLY,[1]) ;;
133 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;;
137 dnl Check if polly is checked out into tools/polly and configure it if
139 if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then
140 AC_SUBST(LLVM_HAS_POLLY,1)
141 AC_CONFIG_SUBDIRS([tools/polly])
144 dnl===-----------------------------------------------------------------------===
146 dnl=== SECTION 2: Architecture, target, and host checks
148 dnl===-----------------------------------------------------------------------===
150 dnl Check the target for which we're compiling and the host that will do the
151 dnl compilations. This will tell us which LLVM compiler will be used for
152 dnl compiling SSA into object code. This needs to be done early because
153 dnl following tests depend on it.
156 dnl Determine the platform type and cache its value. This helps us configure
157 dnl the System library to the correct build platform.
158 AC_CACHE_CHECK([type of operating system we're going to host on],
162 llvm_cv_link_all_option="-Wl,--whole-archive"
163 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
164 llvm_cv_os_type="AIX"
165 llvm_cv_platform_type="Unix" ;;
167 llvm_cv_link_all_option="-Wl,--whole-archive"
168 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
169 llvm_cv_os_type="IRIX"
170 llvm_cv_platform_type="Unix" ;;
172 llvm_cv_link_all_option="-Wl,--whole-archive"
173 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
174 llvm_cv_os_type="Cygwin"
175 llvm_cv_platform_type="Unix" ;;
177 llvm_cv_link_all_option="-Wl,-all_load"
178 llvm_cv_no_link_all_option="-Wl,-noall_load"
179 llvm_cv_os_type="Darwin"
180 llvm_cv_platform_type="Unix" ;;
182 llvm_cv_link_all_option="-Wl,-all_load"
183 llvm_cv_no_link_all_option="-Wl,-noall_load"
184 llvm_cv_os_type="Minix"
185 llvm_cv_platform_type="Unix" ;;
187 llvm_cv_link_all_option="-Wl,--whole-archive"
188 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
189 llvm_cv_os_type="FreeBSD"
190 llvm_cv_platform_type="Unix" ;;
192 llvm_cv_link_all_option="-Wl,--whole-archive"
193 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
194 llvm_cv_os_type="OpenBSD"
195 llvm_cv_platform_type="Unix" ;;
197 llvm_cv_link_all_option="-Wl,--whole-archive"
198 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
199 llvm_cv_os_type="NetBSD"
200 llvm_cv_platform_type="Unix" ;;
202 llvm_cv_link_all_option="-Wl,--whole-archive"
203 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
204 llvm_cv_os_type="DragonFly"
205 llvm_cv_platform_type="Unix" ;;
207 llvm_cv_link_all_option="-Wl,--whole-archive"
208 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
209 llvm_cv_os_type="HP-UX"
210 llvm_cv_platform_type="Unix" ;;
212 llvm_cv_link_all_option="-Wl,--whole-archive"
213 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
214 llvm_cv_os_type="Interix"
215 llvm_cv_platform_type="Unix" ;;
217 llvm_cv_link_all_option="-Wl,--whole-archive"
218 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
219 llvm_cv_os_type="Linux"
220 llvm_cv_platform_type="Unix" ;;
222 llvm_cv_link_all_option="-Wl,-z,allextract"
223 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
224 llvm_cv_os_type="SunOS"
225 llvm_cv_platform_type="Unix" ;;
227 llvm_cv_link_all_option="-Wl,-z,allextract"
228 llvm_cv_link_all_option="-Wl,-z,defaultextract"
229 llvm_cv_os_type="AuroraUX"
230 llvm_cv_platform_type="Unix" ;;
232 llvm_cv_link_all_option="-Wl,--whole-archive"
233 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
234 llvm_cv_os_type="Win32"
235 llvm_cv_platform_type="Win32" ;;
237 llvm_cv_link_all_option="-Wl,--whole-archive"
238 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
239 llvm_cv_os_type="MingW"
240 llvm_cv_platform_type="Win32" ;;
242 llvm_cv_link_all_option="-Wl,--whole-archive"
243 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
244 llvm_cv_os_type="Haiku"
245 llvm_cv_platform_type="Unix" ;;
247 llvm_cv_link_all_option="-Wl,--whole-archive"
248 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
249 llvm_cv_os_type="Freestanding"
250 llvm_cv_platform_type="Unix" ;;
252 llvm_cv_link_all_option="-Wl,--whole-archive"
253 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
254 llvm_cv_os_type="Freestanding"
255 llvm_cv_platform_type="Unix" ;;
257 llvm_cv_link_all_option=""
258 llvm_cv_no_link_all_option=""
259 llvm_cv_os_type="Unknown"
260 llvm_cv_platform_type="Unknown" ;;
263 AC_CACHE_CHECK([type of operating system we're going to target],
264 [llvm_cv_target_os_type],
267 llvm_cv_target_os_type="AIX" ;;
269 llvm_cv_target_os_type="IRIX" ;;
271 llvm_cv_target_os_type="Cygwin" ;;
273 llvm_cv_target_os_type="Darwin" ;;
275 llvm_cv_target_os_type="Minix" ;;
277 llvm_cv_target_os_type="FreeBSD" ;;
279 llvm_cv_target_os_type="OpenBSD" ;;
281 llvm_cv_target_os_type="NetBSD" ;;
283 llvm_cv_target_os_type="DragonFly" ;;
285 llvm_cv_target_os_type="HP-UX" ;;
287 llvm_cv_target_os_type="Interix" ;;
289 llvm_cv_target_os_type="Linux" ;;
291 llvm_cv_target_os_type="SunOS" ;;
293 llvm_cv_target_os_type="AuroraUX" ;;
295 llvm_cv_target_os_type="Win32" ;;
297 llvm_cv_target_os_type="MingW" ;;
299 llvm_cv_target_os_type="Haiku" ;;
301 llvm_cv_target_os_type="RTEMS" ;;
303 llvm_cv_target_os_type="Freestanding" ;;
305 llvm_cv_target_os_type="Unknown" ;;
308 dnl Make sure we aren't attempting to configure for an unknown system
309 if test "$llvm_cv_os_type" = "Unknown" ; then
310 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
313 dnl Set the "OS" Makefile variable based on the platform type so the
314 dnl makefile can configure itself to specific build hosts
315 AC_SUBST(OS,$llvm_cv_os_type)
316 AC_SUBST(HOST_OS,$llvm_cv_os_type)
317 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
319 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
320 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
321 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
323 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
324 dnl This is used by lib/Support to determine the basic kind of implementation
326 case $llvm_cv_platform_type in
328 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
329 AC_SUBST(LLVM_ON_UNIX,[1])
330 AC_SUBST(LLVM_ON_WIN32,[0])
333 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
334 AC_SUBST(LLVM_ON_UNIX,[0])
335 AC_SUBST(LLVM_ON_WIN32,[1])
339 dnl Determine what our target architecture is and configure accordingly.
340 dnl This will allow Makefiles to make a distinction between the hardware and
342 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
344 i?86-*) llvm_cv_target_arch="x86" ;;
345 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
346 sparc*-*) llvm_cv_target_arch="Sparc" ;;
347 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
348 alpha*-*) llvm_cv_target_arch="Alpha" ;;
349 arm*-*) llvm_cv_target_arch="ARM" ;;
350 mips-*) llvm_cv_target_arch="Mips" ;;
351 xcore-*) llvm_cv_target_arch="XCore" ;;
352 msp430-*) llvm_cv_target_arch="MSP430" ;;
353 s390x-*) llvm_cv_target_arch="SystemZ" ;;
354 bfin-*) llvm_cv_target_arch="Blackfin" ;;
355 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
356 ptx-*) llvm_cv_target_arch="PTX" ;;
357 *) llvm_cv_target_arch="Unknown" ;;
360 if test "$llvm_cv_target_arch" = "Unknown" ; then
361 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
364 # Determine the LLVM native architecture for the target
365 case "$llvm_cv_target_arch" in
366 x86) LLVM_NATIVE_ARCH="X86" ;;
367 x86_64) LLVM_NATIVE_ARCH="X86" ;;
368 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
371 dnl Define a substitution, ARCH, for the target architecture
372 AC_SUBST(ARCH,$llvm_cv_target_arch)
374 dnl Check for the endianness of the target
375 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
377 dnl Check for build platform executable suffix if we're crosscompiling
378 if test "$cross_compiling" = yes; then
379 AC_SUBST(LLVM_CROSS_COMPILING, [1])
381 ac_build_prefix=${build_alias}-
382 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
383 if test -z "$BUILD_CXX"; then
384 AC_CHECK_PROG(BUILD_CXX, g++, g++)
385 if test -z "$BUILD_CXX"; then
386 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
390 AC_SUBST(LLVM_CROSS_COMPILING, [0])
393 dnl Check to see if there's a .svn or .git directory indicating that this
394 dnl build is being done from a checkout. This sets up several defaults for
395 dnl the command line switches. When we build with a checkout directory,
396 dnl we get a debug with assertions turned on. Without, we assume a source
397 dnl release and we get an optimized build without assertions.
398 dnl See --enable-optimized and --enable-assertions below
399 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
402 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
408 dnl===-----------------------------------------------------------------------===
410 dnl=== SECTION 3: Command line arguments for the configure script.
412 dnl===-----------------------------------------------------------------------===
414 dnl --enable-optimized : check whether they want to do an optimized build:
415 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
416 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
417 if test ${enableval} = "no" ; then
418 AC_SUBST(ENABLE_OPTIMIZED,[[]])
420 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
423 dnl --enable-profiling : check whether they want to do a profile build:
424 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
425 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
426 if test ${enableval} = "no" ; then
427 AC_SUBST(ENABLE_PROFILING,[[]])
429 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
432 dnl --enable-assertions : check whether they want to turn on assertions or not:
433 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
434 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
435 if test ${enableval} = "yes" ; then
436 AC_SUBST(DISABLE_ASSERTIONS,[[]])
438 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
441 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
442 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
443 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
444 if test ${enableval} = "yes" ; then
445 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
446 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
448 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
449 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
452 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
453 AC_ARG_ENABLE(debug-runtime,
454 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
455 if test ${enableval} = "no" ; then
456 AC_SUBST(DEBUG_RUNTIME,[[]])
458 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
461 dnl --enable-debug-symbols : should even optimized compiler libraries
462 dnl have debug symbols?
463 AC_ARG_ENABLE(debug-symbols,
464 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)
465 if test ${enableval} = "no" ; then
466 AC_SUBST(DEBUG_SYMBOLS,[[]])
468 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
471 dnl --enable-jit: check whether they want to enable the jit
473 AS_HELP_STRING(--enable-jit,
474 [Enable Just In Time Compiling (default is YES)]),,
476 if test ${enableval} = "no"
480 case "$llvm_cv_target_arch" in
481 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
482 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
483 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
484 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
485 Alpha) AC_SUBST(TARGET_HAS_JIT,0) ;;
486 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
487 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
488 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
489 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
490 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
491 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
492 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
493 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
494 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
498 dnl Allow enablement of building and installing docs
500 AS_HELP_STRING([--enable-docs],
501 [Build documents (default is YES)]),,
504 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
505 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
506 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
507 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
510 dnl Allow enablement of doxygen generated documentation
511 AC_ARG_ENABLE(doxygen,
512 AS_HELP_STRING([--enable-doxygen],
513 [Build doxygen documentation (default is NO)]),,
516 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
517 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
518 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
519 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
522 dnl Allow disablement of threads
523 AC_ARG_ENABLE(threads,
524 AS_HELP_STRING([--enable-threads],
525 [Use threads if available (default is YES)]),,
528 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
529 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
530 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
531 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
533 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
535 dnl Allow disablement of pthread.h
536 AC_ARG_ENABLE(pthreads,
537 AS_HELP_STRING([--enable-pthreads],
538 [Use pthreads if available (default is YES)]),,
541 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
542 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
543 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
544 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
547 dnl Allow building without position independent code
549 AS_HELP_STRING([--enable-pic],
550 [Build LLVM with Position Independent Code (default is YES)]),,
553 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
554 no) AC_SUBST(ENABLE_PIC,[0]) ;;
555 default) AC_SUBST(ENABLE_PIC,[1]) ;;
556 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
558 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
559 [Define if position independent code is enabled])
561 dnl Allow building a shared library and linking tools against it.
562 AC_ARG_ENABLE(shared,
563 AS_HELP_STRING([--enable-shared],
564 [Build a shared library and link tools against it (default is NO)]),,
567 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
568 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
569 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
570 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
573 dnl Allow libstdc++ is embedded in LLVM.dll.
574 AC_ARG_ENABLE(embed-stdcxx,
575 AS_HELP_STRING([--enable-embed-stdcxx],
576 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
579 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
580 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
581 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
582 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
585 dnl Enable embedding timestamp information into build.
586 AC_ARG_ENABLE(timestamps,
587 AS_HELP_STRING([--enable-timestamps],
588 [Enable embedding timestamp information in build (default is YES)]),,
591 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
592 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
593 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
594 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
596 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
597 [Define if timestamp information (e.g., __DATE___) is allowed])
599 dnl Allow specific targets to be specified for building (or not)
601 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
602 [Build specific host targets: all or target1,target2,... Valid targets are:
603 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu,
604 xcore, msp430, systemz, blackfin, ptx, cbe, and cpp (default=all)]),,
606 if test "$enableval" = host-only ; then
610 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU XCore MSP430 SystemZ Blackfin CBackend CppBackend MBlaze PTX" ;;
611 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
613 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
614 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
615 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
616 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
617 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
618 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
619 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
620 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
621 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
622 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
623 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
624 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
625 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
626 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
627 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
628 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
629 host) case "$llvm_cv_target_arch" in
630 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
631 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
632 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
633 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
634 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
635 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
636 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
637 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
638 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
639 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
640 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
641 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
642 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
643 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
644 *) AC_MSG_ERROR([Can not set target to build]) ;;
646 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
651 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
653 # Determine whether we are building LLVM support for the native architecture.
654 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
655 for a_target in $TARGETS_TO_BUILD; do
656 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
657 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
658 [LLVM architecture name for the native architecture, if available])
659 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
660 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
661 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
662 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
663 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
665 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
666 [LLVM name for the native Target init function, if available])
667 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
668 [LLVM name for the native TargetInfo init function, if available])
669 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
670 [LLVM name for the native AsmPrinter init function, if available])
671 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
672 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
673 [LLVM name for the native AsmParser init function, if available])
678 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
679 # target feature def files.
681 LLVM_ENUM_ASM_PRINTERS=""
682 LLVM_ENUM_ASM_PARSERS=""
683 LLVM_ENUM_DISASSEMBLERS=""
684 for target_to_build in $TARGETS_TO_BUILD; do
685 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
686 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
687 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
689 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
690 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
692 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
693 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
696 AC_SUBST(LLVM_ENUM_TARGETS)
697 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
698 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
699 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
701 dnl Prevent the CBackend from using printf("%a") for floating point so older
702 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
703 dnl can still compile the CBE's output
704 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
705 [Enable C Backend output with hex floating point via %a (default is YES)]),,
708 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
709 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
710 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
711 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
713 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
714 [Define if CBE is enabled for printf %a output])
716 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
717 AC_ARG_WITH(llvmgccdir,
718 AS_HELP_STRING([--with-llvmgccdir],
719 [Specify location of llvm-gcc install dir (default searches PATH)]),,
722 default) WITH_LLVMGCCDIR=default ;;
723 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
724 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
727 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
729 AS_HELP_STRING([--with-llvmgcc],
730 [Specify location of llvm-gcc driver (default searches PATH)]),
731 LLVMGCC=$with_llvmgcc
734 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
736 AS_HELP_STRING([--with-llvmgxx],
737 [Specify location of llvm-g++ driver (default searches PATH)]),
738 LLVMGXX=$with_llvmgxx
741 if test -n "$LLVMGCC"; then
742 LLVMGCCCOMMAND="$LLVMGCC"
745 if test -n "$LLVMGXX"; then
746 LLVMGXXCOMMAND="$LLVMGXX"
749 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
750 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
753 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
754 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
757 dnl Allow a specific Clang compiler to be used with this LLVM config.
759 AS_HELP_STRING([--with-clang],
760 [Specify location of clang compiler (default is --with-built-clang)]),
761 [],[with_clang=default])
763 dnl Enable use of the built Clang.
764 AC_ARG_WITH(built-clang,
765 AS_HELP_STRING([--with-built-clang],
766 [Use the compiled Clang as the LLVM compiler (default=check)]),
767 [],[with_built_clang=check])
769 dnl Select the Clang compiler option.
771 dnl If --with-clang is given, always honor that; otherwise honor
772 dnl --with-built-clang, or check if we have the clang sources.
773 AC_MSG_CHECKING([clang compiler])
776 if test "$with_clang" != "default"; then
777 WITH_CLANGPATH="$with_clang"
778 if ! test -x "$WITH_CLANGPATH"; then
779 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
781 elif test "$with_built_clang" = "yes"; then
783 elif test "$with_built_clang" = "no"; then
786 if test "$with_built_clang" != "check"; then
787 AC_MSG_ERROR([invalid value for --with-built-clang.])
790 if test -f ${srcdir}/tools/clang/README.txt; then
795 if ! test -z "$WITH_CLANGPATH"; then
796 AC_MSG_RESULT([$WITH_CLANGPATH])
797 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
798 elif test "$WITH_BUILT_CLANG" = "1"; then
799 AC_MSG_RESULT([built])
801 AC_MSG_RESULT([none])
803 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
804 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
805 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
807 dnl Override the option to use for optimized builds.
808 AC_ARG_WITH(optimize-option,
809 AS_HELP_STRING([--with-optimize-option],
810 [Select the compiler options to use for optimized builds]),,
812 AC_MSG_CHECKING([optimization flags])
815 case "$llvm_cv_os_type" in
816 FreeBSD) optimize_option=-O2 ;;
817 MingW) optimize_option=-O2 ;;
818 *) optimize_option=-O3 ;;
820 *) optimize_option="$withval" ;;
822 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
823 AC_MSG_RESULT([$optimize_option])
825 dnl Specify extra build options
826 AC_ARG_WITH(extra-options,
827 AS_HELP_STRING([--with-extra-options],
828 [Specify additional options to compile LLVM with]),,
831 default) EXTRA_OPTIONS= ;;
832 *) EXTRA_OPTIONS=$withval ;;
834 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
836 dnl Specify extra linker build options
837 AC_ARG_WITH(extra-ld-options,
838 AS_HELP_STRING([--with-extra-ld-options],
839 [Specify additional options to link LLVM with]),,
842 default) EXTRA_LD_OPTIONS= ;;
843 *) EXTRA_LD_OPTIONS=$withval ;;
845 AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS)
847 dnl Allow specific bindings to be specified for building (or not)
848 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
849 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
853 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
854 all ) BINDINGS_TO_BUILD="ocaml" ;;
855 none | no) BINDINGS_TO_BUILD="" ;;
856 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
858 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
859 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
865 dnl Allow the ocaml libdir to be overridden. This could go in a configure
866 dnl script for bindings/ocaml/configure, except that its auto value depends on
867 dnl OCAMLC, which is found here to support tests.
868 AC_ARG_WITH([ocaml-libdir],
869 [AS_HELP_STRING([--with-ocaml-libdir],
870 [Specify install location for ocaml bindings (default is stdlib)])],
874 auto) with_ocaml_libdir="$withval" ;;
875 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
876 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
879 AC_ARG_WITH(clang-resource-dir,
880 AS_HELP_STRING([--with-clang-resource-dir],
881 [Relative directory from the Clang binary for resource files]),,
883 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
884 [Relative directory for resource files])
886 AC_ARG_WITH(c-include-dirs,
887 AS_HELP_STRING([--with-c-include-dirs],
888 [Colon separated list of directories clang will search for headers]),,
890 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
891 [Directories clang will search for headers])
893 AC_ARG_WITH(cxx-include-root,
894 AS_HELP_STRING([--with-cxx-include-root],
895 [Directory with the libstdc++ headers.]),,
897 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
898 [Directory with the libstdc++ headers.])
900 AC_ARG_WITH(cxx-include-arch,
901 AS_HELP_STRING([--with-cxx-include-arch],
902 [Architecture of the libstdc++ headers.]),,
904 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
905 [Arch the libstdc++ headers.])
907 AC_ARG_WITH(cxx-include-32bit-dir,
908 AS_HELP_STRING([--with-cxx-include-32bit-dir],
909 [32 bit multilib dir.]),,
911 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
912 [32 bit multilib directory.])
914 AC_ARG_WITH(cxx-include-64bit-dir,
915 AS_HELP_STRING([--with-cxx-include-64bit-dir],
916 [64 bit multilib directory.]),,
918 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
919 [64 bit multilib directory.])
921 dnl Allow linking of LLVM with GPLv3 binutils code.
922 AC_ARG_WITH(binutils-include,
923 AS_HELP_STRING([--with-binutils-include],
924 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
927 default) WITH_BINUTILS_INCDIR=default ;;
928 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
929 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
931 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
932 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
933 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
934 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
935 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
939 dnl --enable-libffi : check whether the user wants to turn off libffi:
940 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
941 --enable-libffi,[Check for the presence of libffi (default is NO)]),
942 [case "$enableval" in
943 yes) llvm_cv_enable_libffi="yes" ;;
944 no) llvm_cv_enable_libffi="no" ;;
945 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
947 llvm_cv_enable_libffi=no)
949 dnl===-----------------------------------------------------------------------===
951 dnl=== SECTION 4: Check for programs we need and that they are the right version
953 dnl===-----------------------------------------------------------------------===
955 dnl Check for compilation tools
963 dnl Check for the tools that the makefiles require
966 AC_PATH_PROG(CMP, [cmp], [cmp])
967 AC_PATH_PROG(CP, [cp], [cp])
968 AC_PATH_PROG(DATE, [date], [date])
969 AC_PATH_PROG(FIND, [find], [find])
970 AC_PATH_PROG(GREP, [grep], [grep])
971 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
972 AC_PATH_PROG(MV, [mv], [mv])
974 AC_CHECK_TOOL(AR, ar, false)
975 AC_PATH_PROG(RM, [rm], [rm])
976 AC_PATH_PROG(SED, [sed], [sed])
977 AC_PATH_PROG(TAR, [tar], [gtar])
978 AC_PATH_PROG(BINPWD,[pwd], [pwd])
980 dnl Looking for misc. graph plotting software
981 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
982 if test "$GRAPHVIZ" != "echo Graphviz" ; then
983 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
984 dnl If we're targeting for mingw we should emit windows paths, not msys
985 if test "$llvm_cv_os_type" = "MingW" ; then
986 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
988 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
989 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
991 AC_PATH_PROG(DOT, [dot], [echo dot])
992 if test "$DOT" != "echo dot" ; then
993 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
994 dnl If we're targeting for mingw we should emit windows paths, not msys
995 if test "$llvm_cv_os_type" = "MingW" ; then
996 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
998 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
999 [Define to path to dot program if found or 'echo dot' otherwise])
1001 AC_PATH_PROG(FDP, [fdp], [echo fdp])
1002 if test "$FDP" != "echo fdp" ; then
1003 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
1004 dnl If we're targeting for mingw we should emit windows paths, not msys
1005 if test "$llvm_cv_os_type" = "MingW" ; then
1006 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1008 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
1009 [Define to path to fdp program if found or 'echo fdp' otherwise])
1011 AC_PATH_PROG(NEATO, [neato], [echo neato])
1012 if test "$NEATO" != "echo neato" ; then
1013 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1014 dnl If we're targeting for mingw we should emit windows paths, not msys
1015 if test "$llvm_cv_os_type" = "MingW" ; then
1016 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1018 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1019 [Define to path to neato program if found or 'echo neato' otherwise])
1021 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1022 if test "$TWOPI" != "echo twopi" ; then
1023 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1024 dnl If we're targeting for mingw we should emit windows paths, not msys
1025 if test "$llvm_cv_os_type" = "MingW" ; then
1026 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1028 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1029 [Define to path to twopi program if found or 'echo twopi' otherwise])
1031 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1032 if test "$CIRCO" != "echo circo" ; then
1033 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1034 dnl If we're targeting for mingw we should emit windows paths, not msys
1035 if test "$llvm_cv_os_type" = "MingW" ; then
1036 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1038 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1039 [Define to path to circo program if found or 'echo circo' otherwise])
1041 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1042 if test "$GV" != "echo gv" ; then
1043 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1044 dnl If we're targeting for mingw we should emit windows paths, not msys
1045 if test "$llvm_cv_os_type" = "MingW" ; then
1046 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1048 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1049 [Define to path to gv program if found or 'echo gv' otherwise])
1051 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1052 if test "$DOTTY" != "echo dotty" ; then
1053 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1054 dnl If we're targeting for mingw we should emit windows paths, not msys
1055 if test "$llvm_cv_os_type" = "MingW" ; then
1056 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1058 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1059 [Define to path to dotty program if found or 'echo dotty' otherwise])
1061 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1062 if test "$XDOT_PY" != "echo xdot.py" ; then
1063 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1064 dnl If we're targeting for mingw we should emit windows paths, not msys
1065 if test "$llvm_cv_os_type" = "MingW" ; then
1066 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1068 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1069 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1072 dnl Look for a sufficiently recent version of Perl.
1073 LLVM_PROG_PERL([5.006])
1075 if test x"$PERL" = xnone; then
1076 AC_SUBST(HAVE_PERL,0)
1077 AC_MSG_ERROR([perl is required but was not found, please install it])
1079 AC_SUBST(HAVE_PERL,1)
1082 dnl Find the install program
1084 dnl Prepend src dir to install path dir if it's a relative path
1085 dnl This is a hack for installs that take place in something other
1086 dnl than the top level.
1088 [[\\/$]]* | ?:[[\\/]]* ) ;;
1089 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1092 dnl Checks for documentation and testing tools that we can do without. If these
1093 dnl are not found then they are set to "true" which always succeeds but does
1094 dnl nothing. This just lets the build output show that we could have done
1095 dnl something if the tool was available.
1096 AC_PATH_PROG(BZIP2, [bzip2])
1097 AC_PATH_PROG(CAT, [cat])
1098 AC_PATH_PROG(DOXYGEN, [doxygen])
1099 AC_PATH_PROG(GROFF, [groff])
1100 AC_PATH_PROG(GZIPBIN, [gzip])
1101 AC_PATH_PROG(POD2HTML, [pod2html])
1102 AC_PATH_PROG(POD2MAN, [pod2man])
1103 AC_PATH_PROG(PDFROFF, [pdfroff])
1104 AC_PATH_PROG(RUNTEST, [runtest])
1106 AC_PATH_PROG(ZIP, [zip])
1107 AC_PATH_PROGS(OCAMLC, [ocamlc])
1108 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1109 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1110 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1111 AC_PATH_PROGS(GAS, [gas as])
1113 dnl Get the version of the linker in use.
1116 dnl Determine whether the linker supports the -R option.
1119 dnl Determine whether the linker supports the -export-dynamic option.
1120 AC_LINK_EXPORT_DYNAMIC
1122 dnl Determine whether the linker supports the --version-script option.
1123 AC_LINK_VERSION_SCRIPT
1125 dnl Check for libtool and the library that has dlopen function (which must come
1126 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1131 if test "$WITH_LLVMGCCDIR" = "default" ; then
1132 LLVMGCC="llvm-gcc${EXEEXT}"
1133 LLVMGXX="llvm-g++${EXEEXT}"
1134 LLVMGCCCOMMAND="$LLVMGCC"
1135 LLVMGXXCOMMAND="$LLVMGXX"
1136 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1137 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1138 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
1139 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
1141 if test -z "$LLVMGCC"; then
1142 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1143 LLVMGCCCOMMAND="$LLVMGCC"
1145 if test -z "$LLVMGXX"; then
1146 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1147 LLVMGXXCOMMAND="$LLVMGXX"
1150 AC_SUBST(LLVMGCC,$LLVMGCC)
1151 AC_SUBST(LLVMGXX,$LLVMGXX)
1152 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1153 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1156 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1157 dnl found, otherwise clang if available.
1159 AS_HELP_STRING([--with-llvmcc=<name>],
1160 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1161 [],[with_llvmcc=check])
1162 AC_MSG_CHECKING([LLVM capable compiler])
1163 if test "$with_llvmcc" != "check"; then
1164 if (test "$with_llvmcc" != "llvm-gcc" &&
1165 test "$with_llvmcc" != "clang" &&
1166 test "$with_llvmcc" != "none"); then
1167 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1169 WITH_LLVMCC="$with_llvmcc"
1170 elif test -n "$LLVMGCC"; then
1171 WITH_LLVMCC=llvm-gcc
1172 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1177 AC_MSG_RESULT([$WITH_LLVMCC])
1178 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1180 AC_MSG_CHECKING([tool compatibility])
1182 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1183 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1184 dnl to support those options.
1185 dnl "icc" emits gcc signatures
1186 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1198 if test "$GCC" != "yes" && test "$ICC" != "yes"
1200 AC_MSG_ERROR([gcc|icc required but not found])
1203 dnl Ensure that compilation tools are compatible with GCC extensions
1204 if test "$GXX" != "yes" && test "$IXX" != "yes"
1206 AC_MSG_ERROR([g++|clang++|icc required but not found])
1209 dnl Verify that GCC is version 3.0 or higher
1210 if test "$GCC" = "yes"
1212 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1213 #error Unsupported GCC version
1215 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1218 dnl Check for GNU Make. We use its extensions, so don't build without it
1219 if test -z "$llvm_cv_gnu_make_command"
1221 AC_MSG_ERROR([GNU Make required but not found])
1224 dnl Tool compatibility is okay if we make it here.
1227 dnl Check optional compiler flags.
1228 AC_MSG_CHECKING([optional compiler flags])
1229 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1230 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1231 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1233 dnl===-----------------------------------------------------------------------===
1235 dnl=== SECTION 5: Check for libraries
1237 dnl===-----------------------------------------------------------------------===
1240 if test "$llvm_cv_os_type" = "MingW" ; then
1241 AC_CHECK_LIB(imagehlp, main)
1242 AC_CHECK_LIB(psapi, main)
1245 dnl dlopen() is required for plugin support.
1246 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1247 [Define if dlopen() is available on this platform.]),
1248 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1250 dnl libffi is optional; used to call external functions from the interpreter
1251 if test "$llvm_cv_enable_libffi" = "yes" ; then
1252 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1253 [Define if libffi is available on this platform.]),
1254 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1257 dnl mallinfo is optional; the code can compile (minus features) without it
1258 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1259 [Define if mallinfo() is available on this platform.]))
1261 dnl pthread locking functions are optional - but llvm will not be thread-safe
1263 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1264 AC_CHECK_LIB(pthread, pthread_mutex_init)
1265 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1266 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1267 [Have pthread_mutex_lock]))
1268 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1269 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1270 [Have pthread_rwlock_init]))
1271 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1272 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1273 [Have pthread_getspecific]))
1276 dnl Allow extra x86-disassembler library
1278 AS_HELP_STRING([--with-udis86=<path>],
1279 [Use udis86 external x86 disassembler library]),
1281 AC_SUBST(USE_UDIS86, [1])
1284 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1286 AC_CHECK_LIB(udis86, ud_init, [], [
1287 echo "Error! You need to have libudis86 around."
1291 AC_SUBST(USE_UDIS86, [0]))
1292 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1293 [Define if use udis86 library])
1295 dnl Allow OProfile support for JIT output.
1296 AC_ARG_WITH(oprofile,
1297 AS_HELP_STRING([--with-oprofile=<prefix>],
1298 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1300 AC_SUBST(USE_OPROFILE, [1])
1302 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1304 AC_SUBST(USE_OPROFILE, [0]) ;;
1305 *) llvm_cv_oppath="${withval}/lib/oprofile"
1306 CPPFLAGS="-I${withval}/include";;
1308 if test -n "$llvm_cv_oppath" ; then
1309 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1310 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1311 dnl libbfd is not included properly in libopagent in some Debian
1312 dnl versions. If libbfd isn't found at all, we assume opagent works
1314 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1315 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1316 echo "Error! You need to have libopagent around."
1319 AC_CHECK_HEADER([opagent.h], [], [
1320 echo "Error! You need to have opagent.h around."
1326 AC_SUBST(USE_OPROFILE, [0])
1328 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1329 [Define if we have the oprofile JIT-support library])
1331 dnl===-----------------------------------------------------------------------===
1333 dnl=== SECTION 6: Check for header files
1335 dnl===-----------------------------------------------------------------------===
1337 dnl First, use autoconf provided macros for specific headers that we need
1338 dnl We don't check for ancient stuff or things that are guaranteed to be there
1339 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1340 dnl Generally we're looking for POSIX headers.
1342 AC_HEADER_MMAP_ANONYMOUS
1348 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1349 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1350 AC_CHECK_HEADERS([utime.h windows.h])
1351 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1352 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1353 AC_CHECK_HEADERS([valgrind/valgrind.h])
1354 AC_CHECK_HEADERS([fenv.h])
1355 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1356 AC_CHECK_HEADERS(pthread.h,
1357 AC_SUBST(HAVE_PTHREAD, 1),
1358 AC_SUBST(HAVE_PTHREAD, 0))
1360 AC_SUBST(HAVE_PTHREAD, 0)
1363 dnl Try to find ffi.h.
1364 if test "$llvm_cv_enable_libffi" = "yes" ; then
1365 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1368 dnl Try to find Darwin specific crash reporting libraries.
1369 AC_CHECK_HEADERS([CrashReporterClient.h])
1371 dnl Try to find Darwin specific crash reporting global.
1372 AC_MSG_CHECKING([__crashreporter_info__])
1375 [[extern const char *__crashreporter_info__;
1377 __crashreporter_info__ = "test";
1382 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1384 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1385 Define if __crashreporter_info__ exists.))
1387 dnl===-----------------------------------------------------------------------===
1389 dnl=== SECTION 7: Check for types and structures
1391 dnl===-----------------------------------------------------------------------===
1396 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1398 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1399 AC_CHECK_TYPES([uint64_t],,
1400 AC_CHECK_TYPES([u_int64_t],,
1401 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1403 dnl===-----------------------------------------------------------------------===
1405 dnl=== SECTION 8: Check for specific functions needed
1407 dnl===-----------------------------------------------------------------------===
1409 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1410 AC_CHECK_FUNCS([powf fmodf strtof round ])
1411 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1412 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1413 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1414 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1415 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1416 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1420 dnl Check the declaration "Secure API" on Windows environments.
1421 AC_CHECK_DECLS([strerror_s])
1423 dnl Check symbols in libgcc.a for JIT on Mingw.
1424 if test "$llvm_cv_os_type" = "MingW" ; then
1425 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1426 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1427 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1428 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1430 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1431 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1432 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1433 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1434 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1435 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1436 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1437 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1438 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1439 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1441 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1442 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1445 dnl Check Win32 API EnumerateLoadedModules.
1446 if test "$llvm_cv_os_type" = "MingW" ; then
1447 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1448 AC_COMPILE_IFELSE([[#include <windows.h>
1449 #include <imagehlp.h>
1450 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1451 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1453 AC_MSG_RESULT([yes])
1454 llvm_cv_win32_elmcb_pcstr="PCSTR"
1458 llvm_cv_win32_elmcb_pcstr="PSTR"
1460 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1463 dnl Check for variations in the Standard C++ library and STL. These macros are
1464 dnl provided by LLVM in the autoconf/m4 directory.
1468 dnl Check for mmap support.We also need to know if /dev/zero is required to
1469 dnl be opened for allocating RWX memory.
1470 dnl Make sure we aren't attempting to configure for an unknown system
1471 if test "$llvm_cv_platform_type" = "Unix" ; then
1474 AC_NEED_DEV_ZERO_FOR_MMAP
1476 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1478 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1480 if test "$ac_cv_func_mmap_file" = "no"
1482 AC_MSG_WARN([mmap() of files required but not found])
1486 dnl atomic builtins are required for threading support.
1487 AC_MSG_CHECKING(for GCC atomic builtins)
1488 dnl Since we'll be using these atomic builtins in C++ files we should test
1489 dnl the C++ compiler.
1494 volatile unsigned long val = 1;
1495 __sync_synchronize();
1496 __sync_val_compare_and_swap(&val, 1, 0);
1497 __sync_add_and_fetch(&val, 1);
1498 __sync_sub_and_fetch(&val, 1);
1504 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1506 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1507 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1509 dnl===-----------------------------------------------------------------------===
1511 dnl=== SECTION 9: Additional checks, variables, etc.
1513 dnl===-----------------------------------------------------------------------===
1515 dnl Handle 32-bit linux systems running a 64-bit kernel.
1516 dnl This has to come after section 4 because it invokes the compiler.
1517 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1519 if test "$llvm_cv_linux_mixed" = "yes"; then
1520 llvm_cv_target_arch="x86"
1525 dnl Check, whether __dso_handle is present
1526 AC_CHECK_FUNCS([__dso_handle])
1528 dnl Check wether llvm-gcc is based on dragonegg
1529 AC_CACHE_CHECK([whether llvm-gcc is dragonegg],[llvm_cv_llvmgcc_dragonegg],
1530 [llvm_cv_llvmgcc_dragonegg="no"
1531 if test -n "$LLVMGCC" ; then
1532 cp /dev/null conftest.c
1533 $LLVMGCC -fplugin-arg-dragonegg-emit-ir -S -o - conftest.c > /dev/null 2>&1
1534 if test $? -eq 0 ; then
1535 llvm_cv_llvmgcc_dragonegg="yes"
1540 dnl Set the flags needed to emit LLVM IR and to disable optimizations
1542 if test "$llvm_cv_llvmgcc_dragonegg" = "yes" ; then
1543 LLVMCC_EMITIR_FLAG="-fplugin-arg-dragonegg-emit-ir"
1544 LLVMCC_DISABLEOPT_FLAGS="-fplugin-arg-dragonegg-llvm-ir-optimize=0"
1546 LLVMCC_EMITIR_FLAG="-emit-llvm"
1547 LLVMCC_DISABLEOPT_FLAGS="-mllvm -disable-llvm-optzns"
1550 AC_SUBST(LLVMCC_EMITIR_FLAG)
1552 dnl See if the llvm-gcc executable can compile to LLVM assembly
1553 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1554 [llvm_cv_llvmgcc_sanity="no"
1555 if test -n "$LLVMGCC" ; then
1556 cp /dev/null conftest.c
1557 $LLVMGCC "$LLVMCC_EMITIR_FLAG" -S -o - conftest.c | \
1558 grep 'target datalayout =' > /dev/null 2>&1
1559 if test $? -eq 0 ; then
1560 llvm_cv_llvmgcc_sanity="yes"
1565 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1566 dnl Furthermore, add some information about the tools
1567 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1568 AC_MSG_CHECKING([llvm-gcc component support])
1569 llvmcc1path=`$LLVMGCC --print-prog-name=cc1`
1570 AC_SUBST(LLVMCC1,$llvmcc1path)
1571 llvmcc1pluspath=`$LLVMGCC --print-prog-name=cc1plus`
1572 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1573 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1574 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1575 llvmgcclangs=[`$LLVMGCC -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1576 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1577 AC_SUBST(LLVMGCC_DRAGONEGG,$llvm_cv_llvmgcc_dragonegg)
1578 AC_SUBST(LLVMCC_DISABLEOPT_FLAGS)
1582 dnl Propagate the shared library extension that the libltdl checks did to
1583 dnl the Makefiles so we can use it there too
1584 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1586 dnl Propagate the run-time library path variable that the libltdl
1587 dnl checks found to the Makefiles so we can use it there too
1588 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1590 # Translate the various configuration directories and other basic
1591 # information into substitutions that will end up in Makefile.config.in
1592 # that these configured values can be used by the makefiles
1593 if test "${prefix}" = "NONE" ; then
1596 eval LLVM_PREFIX="${prefix}";
1597 eval LLVM_BINDIR="${prefix}/bin";
1598 eval LLVM_LIBDIR="${prefix}/lib";
1599 eval LLVM_DATADIR="${prefix}/share/llvm";
1600 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1601 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1602 eval LLVM_INCLUDEDIR="${prefix}/include";
1603 eval LLVM_INFODIR="${prefix}/info";
1604 eval LLVM_MANDIR="${prefix}/man";
1605 LLVM_CONFIGTIME=`date`
1606 AC_SUBST(LLVM_PREFIX)
1607 AC_SUBST(LLVM_BINDIR)
1608 AC_SUBST(LLVM_LIBDIR)
1609 AC_SUBST(LLVM_DATADIR)
1610 AC_SUBST(LLVM_DOCSDIR)
1611 AC_SUBST(LLVM_ETCDIR)
1612 AC_SUBST(LLVM_INCLUDEDIR)
1613 AC_SUBST(LLVM_INFODIR)
1614 AC_SUBST(LLVM_MANDIR)
1615 AC_SUBST(LLVM_CONFIGTIME)
1617 # Place the various directores into the config.h file as #defines so that we
1618 # can know about the installation paths within LLVM.
1619 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1620 [Installation prefix directory])
1621 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1622 [Installation directory for binary executables])
1623 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1624 [Installation directory for libraries])
1625 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1626 [Installation directory for data files])
1627 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1628 [Installation directory for documentation])
1629 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1630 [Installation directory for config files])
1631 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1632 [Installation directory for include files])
1633 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1634 [Installation directory for .info files])
1635 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1636 [Installation directory for man pages])
1637 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1638 [Time at which LLVM was configured])
1639 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1640 [Host triple we were built on])
1642 # Determine which bindings to build.
1643 if test "$BINDINGS_TO_BUILD" = auto ; then
1644 BINDINGS_TO_BUILD=""
1645 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1646 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1649 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1651 # This isn't really configurey, but it avoids having to repeat the list in
1653 AC_SUBST(ALL_BINDINGS,ocaml)
1655 # Do any work necessary to ensure that bindings have what they need.
1656 binding_prereqs_failed=0
1657 for a_binding in $BINDINGS_TO_BUILD ; do
1658 case "$a_binding" in
1660 if test "x$OCAMLC" = x ; then
1661 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1662 binding_prereqs_failed=1
1664 if test "x$OCAMLDEP" = x ; then
1665 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1666 binding_prereqs_failed=1
1668 if test "x$OCAMLOPT" = x ; then
1669 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1670 dnl ocamlopt is optional!
1672 if test "x$with_ocaml_libdir" != xauto ; then
1673 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1675 ocaml_stdlib="`"$OCAMLC" -where`"
1676 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1678 # ocaml stdlib is beneath our prefix; use stdlib
1679 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1681 # ocaml stdlib is outside our prefix; use libdir/ocaml
1682 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1688 if test "$binding_prereqs_failed" = 1 ; then
1689 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1692 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1693 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1695 dnl Determine linker rpath flag
1696 if test "$llvm_cv_link_use_r" = "yes" ; then
1703 dnl Determine linker rdynamic flag
1704 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1705 RDYNAMIC="-Wl,-export-dynamic"
1711 dnl===-----------------------------------------------------------------------===
1713 dnl=== SECTION 10: Specify the output files and generate it
1715 dnl===-----------------------------------------------------------------------===
1717 dnl Configure header files
1718 dnl WARNING: dnl If you add or remove any of the following config headers, then
1719 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1720 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1721 dnl files can be updated automatically when their *.in sources change.
1722 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1723 AH_TOP([#ifndef CONFIG_H
1727 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1728 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1729 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1730 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1731 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1733 dnl Configure the makefile's configuration data
1734 AC_CONFIG_FILES([Makefile.config])
1736 dnl Configure the RPM spec file for LLVM
1737 AC_CONFIG_FILES([llvm.spec])
1739 dnl Configure doxygen's configuration file
1740 AC_CONFIG_FILES([docs/doxygen.cfg])
1741 if test -f ${srcdir}/tools/clang/README.txt; then
1742 AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg])
1745 dnl Configure llvmc's Base plugin
1746 AC_CONFIG_FILES([tools/llvmc/src/Base.td])
1748 dnl Do the first stage of configuration for llvm-config.in.
1749 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1751 dnl Do special configuration of Makefiles
1752 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1753 AC_CONFIG_MAKEFILE(Makefile)
1754 AC_CONFIG_MAKEFILE(Makefile.common)
1755 AC_CONFIG_MAKEFILE(examples/Makefile)
1756 AC_CONFIG_MAKEFILE(lib/Makefile)
1757 AC_CONFIG_MAKEFILE(runtime/Makefile)
1758 AC_CONFIG_MAKEFILE(test/Makefile)
1759 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1760 AC_CONFIG_MAKEFILE(unittests/Makefile)
1761 AC_CONFIG_MAKEFILE(tools/Makefile)
1762 AC_CONFIG_MAKEFILE(utils/Makefile)
1763 AC_CONFIG_MAKEFILE(projects/Makefile)
1764 AC_CONFIG_MAKEFILE(bindings/Makefile)
1765 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1767 dnl Finally, crank out the output