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) 2003-2010 University of Illinois at Urbana-Champaign."])
39 AC_COPYRIGHT([Copyright (c) 2003-2010 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="Freestanding" ;;
303 llvm_cv_target_os_type="Unknown" ;;
306 dnl Make sure we aren't attempting to configure for an unknown system
307 if test "$llvm_cv_os_type" = "Unknown" ; then
308 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
311 dnl Set the "OS" Makefile variable based on the platform type so the
312 dnl makefile can configure itself to specific build hosts
313 AC_SUBST(OS,$llvm_cv_os_type)
314 AC_SUBST(HOST_OS,$llvm_cv_os_type)
315 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
317 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
318 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
319 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
321 dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type
322 dnl This is used by lib/Support to determine the basic kind of implementation
324 case $llvm_cv_platform_type in
326 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
327 AC_SUBST(LLVM_ON_UNIX,[1])
328 AC_SUBST(LLVM_ON_WIN32,[0])
331 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
332 AC_SUBST(LLVM_ON_UNIX,[0])
333 AC_SUBST(LLVM_ON_WIN32,[1])
337 dnl Determine what our target architecture is and configure accordingly.
338 dnl This will allow Makefiles to make a distinction between the hardware and
340 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
342 i?86-*) llvm_cv_target_arch="x86" ;;
343 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
344 sparc*-*) llvm_cv_target_arch="Sparc" ;;
345 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
346 alpha*-*) llvm_cv_target_arch="Alpha" ;;
347 arm*-*) llvm_cv_target_arch="ARM" ;;
348 mips-*) llvm_cv_target_arch="Mips" ;;
349 xcore-*) llvm_cv_target_arch="XCore" ;;
350 msp430-*) llvm_cv_target_arch="MSP430" ;;
351 s390x-*) llvm_cv_target_arch="SystemZ" ;;
352 bfin-*) llvm_cv_target_arch="Blackfin" ;;
353 mblaze-*) llvm_cv_target_arch="MBlaze" ;;
354 ptx-*) llvm_cv_target_arch="PTX" ;;
355 *) llvm_cv_target_arch="Unknown" ;;
358 if test "$llvm_cv_target_arch" = "Unknown" ; then
359 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
362 # Determine the LLVM native architecture for the target
363 case "$llvm_cv_target_arch" in
364 x86) LLVM_NATIVE_ARCH="X86" ;;
365 x86_64) LLVM_NATIVE_ARCH="X86" ;;
366 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
369 dnl Define a substitution, ARCH, for the target architecture
370 AC_SUBST(ARCH,$llvm_cv_target_arch)
372 dnl Check for the endianness of the target
373 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
375 dnl Check for build platform executable suffix if we're crosscompiling
376 if test "$cross_compiling" = yes; then
377 AC_SUBST(LLVM_CROSS_COMPILING, [1])
379 ac_build_prefix=${build_alias}-
380 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
381 if test -z "$BUILD_CXX"; then
382 AC_CHECK_PROG(BUILD_CXX, g++, g++)
383 if test -z "$BUILD_CXX"; then
384 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
388 AC_SUBST(LLVM_CROSS_COMPILING, [0])
391 dnl Check to see if there's a .svn or .git directory indicating that this
392 dnl build is being done from a checkout. This sets up several defaults for
393 dnl the command line switches. When we build with a checkout directory,
394 dnl we get a debug with assertions turned on. Without, we assume a source
395 dnl release and we get an optimized build without assertions.
396 dnl See --enable-optimized and --enable-assertions below
397 if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
400 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
406 dnl===-----------------------------------------------------------------------===
408 dnl=== SECTION 3: Command line arguments for the configure script.
410 dnl===-----------------------------------------------------------------------===
412 dnl --enable-optimized : check whether they want to do an optimized build:
413 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
414 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
415 if test ${enableval} = "no" ; then
416 AC_SUBST(ENABLE_OPTIMIZED,[[]])
418 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
421 dnl --enable-profiling : check whether they want to do a profile build:
422 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
423 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
424 if test ${enableval} = "no" ; then
425 AC_SUBST(ENABLE_PROFILING,[[]])
427 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
430 dnl --enable-assertions : check whether they want to turn on assertions or not:
431 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
432 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
433 if test ${enableval} = "yes" ; then
434 AC_SUBST(DISABLE_ASSERTIONS,[[]])
436 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
439 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
440 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
441 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
442 if test ${enableval} = "yes" ; then
443 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
444 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
446 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
447 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
450 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
451 AC_ARG_ENABLE(debug-runtime,
452 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
453 if test ${enableval} = "no" ; then
454 AC_SUBST(DEBUG_RUNTIME,[[]])
456 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
459 dnl --enable-debug-symbols : should even optimized compiler libraries
460 dnl have debug symbols?
461 AC_ARG_ENABLE(debug-symbols,
462 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)
463 if test ${enableval} = "no" ; then
464 AC_SUBST(DEBUG_SYMBOLS,[[]])
466 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
469 dnl --enable-jit: check whether they want to enable the jit
471 AS_HELP_STRING(--enable-jit,
472 [Enable Just In Time Compiling (default is YES)]),,
474 if test ${enableval} = "no"
478 case "$llvm_cv_target_arch" in
479 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
480 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
481 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
482 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
483 Alpha) AC_SUBST(TARGET_HAS_JIT,0) ;;
484 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
485 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
486 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
487 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
488 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
489 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
490 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
491 PTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
492 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
496 dnl Allow enablement of building and installing docs
498 AS_HELP_STRING([--enable-docs],
499 [Build documents (default is YES)]),,
502 yes) AC_SUBST(ENABLE_DOCS,[1]) ;;
503 no) AC_SUBST(ENABLE_DOCS,[0]) ;;
504 default) AC_SUBST(ENABLE_DOCS,[1]) ;;
505 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;;
508 dnl Allow enablement of doxygen generated documentation
509 AC_ARG_ENABLE(doxygen,
510 AS_HELP_STRING([--enable-doxygen],
511 [Build doxygen documentation (default is NO)]),,
514 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
515 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
516 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
517 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
520 dnl Allow disablement of threads
521 AC_ARG_ENABLE(threads,
522 AS_HELP_STRING([--enable-threads],
523 [Use threads if available (default is YES)]),,
526 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
527 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
528 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
529 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
531 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
533 dnl Allow disablement of pthread.h
534 AC_ARG_ENABLE(pthreads,
535 AS_HELP_STRING([--enable-pthreads],
536 [Use pthreads if available (default is YES)]),,
539 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
540 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;;
541 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;;
542 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
545 dnl Allow building without position independent code
547 AS_HELP_STRING([--enable-pic],
548 [Build LLVM with Position Independent Code (default is YES)]),,
551 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
552 no) AC_SUBST(ENABLE_PIC,[0]) ;;
553 default) AC_SUBST(ENABLE_PIC,[1]) ;;
554 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
556 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
557 [Define if position independent code is enabled])
559 dnl Allow building a shared library and linking tools against it.
560 AC_ARG_ENABLE(shared,
561 AS_HELP_STRING([--enable-shared],
562 [Build a shared library and link tools against it (default is NO)]),,
565 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
566 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
567 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
568 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
571 dnl Allow libstdc++ is embedded in LLVM.dll.
572 AC_ARG_ENABLE(embed-stdcxx,
573 AS_HELP_STRING([--enable-embed-stdcxx],
574 [Build a shared library with embedded libstdc++ for Win32 DLL (default is YES)]),,
577 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
578 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;;
579 default) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;;
580 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;;
583 dnl Enable embedding timestamp information into build.
584 AC_ARG_ENABLE(timestamps,
585 AS_HELP_STRING([--enable-timestamps],
586 [Enable embedding timestamp information in build (default is YES)]),,
589 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
590 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
591 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
592 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;;
594 AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
595 [Define if timestamp information (e.g., __DATE___) is allowed])
597 dnl Allow specific targets to be specified for building (or not)
599 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
600 [Build specific host targets: all or target1,target2,... Valid targets are:
601 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu,
602 xcore, msp430, systemz, blackfin, ptx, cbe, and cpp (default=all)]),,
604 if test "$enableval" = host-only ; then
608 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Glulx Mips CellSPU XCore MSP430 SystemZ Blackfin CBackend CppBackend MBlaze PTX" ;;
609 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
611 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
612 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
613 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
614 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
615 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
616 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
617 glulx) TARGETS_TO_BUILD="Glulx $TARGETS_TO_BUILD" ;;
618 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
619 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
620 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
621 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
622 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
623 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
624 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
625 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
626 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
627 ptx) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
628 host) case "$llvm_cv_target_arch" in
629 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
630 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
631 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
632 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
633 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
634 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
635 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
636 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
637 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
638 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
639 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
640 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
641 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
642 PTX) TARGETS_TO_BUILD="PTX $TARGETS_TO_BUILD" ;;
643 *) AC_MSG_ERROR([Can not set target to build]) ;;
645 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
650 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
652 # Determine whether we are building LLVM support for the native architecture.
653 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
654 for a_target in $TARGETS_TO_BUILD; do
655 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
656 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH,
657 [LLVM architecture name for the native architecture, if available])
658 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target"
659 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo"
660 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter"
661 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
662 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser"
664 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET,
665 [LLVM name for the native Target init function, if available])
666 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO,
667 [LLVM name for the native TargetInfo init function, if available])
668 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER,
669 [LLVM name for the native AsmPrinter init function, if available])
670 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then
671 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER,
672 [LLVM name for the native AsmParser init function, if available])
677 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
678 # target feature def files.
680 LLVM_ENUM_ASM_PRINTERS=""
681 LLVM_ENUM_ASM_PARSERS=""
682 LLVM_ENUM_DISASSEMBLERS=""
683 for target_to_build in $TARGETS_TO_BUILD; do
684 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
685 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then
686 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
688 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
689 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
691 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
692 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
695 AC_SUBST(LLVM_ENUM_TARGETS)
696 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
697 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
698 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
700 dnl Prevent the CBackend from using printf("%a") for floating point so older
701 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
702 dnl can still compile the CBE's output
703 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
704 [Enable C Backend output with hex floating point via %a (default is YES)]),,
707 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
708 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
709 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
710 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
712 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
713 [Define if CBE is enabled for printf %a output])
715 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
716 AC_ARG_WITH(llvmgccdir,
717 AS_HELP_STRING([--with-llvmgccdir],
718 [Specify location of llvm-gcc install dir (default searches PATH)]),,
721 default) WITH_LLVMGCCDIR=default ;;
722 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
723 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
726 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
728 AS_HELP_STRING([--with-llvmgcc],
729 [Specify location of llvm-gcc driver (default searches PATH)]),
730 LLVMGCC=$with_llvmgcc
733 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
735 AS_HELP_STRING([--with-llvmgxx],
736 [Specify location of llvm-g++ driver (default searches PATH)]),
737 LLVMGXX=$with_llvmgxx
740 if test -n "$LLVMGCC"; then
741 LLVMGCCCOMMAND="$LLVMGCC"
744 if test -n "$LLVMGXX"; then
745 LLVMGXXCOMMAND="$LLVMGXX"
748 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
749 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
752 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
753 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
756 dnl Allow a specific Clang compiler to be used with this LLVM config.
758 AS_HELP_STRING([--with-clang],
759 [Specify location of clang compiler (default is --with-built-clang)]),
760 [],[with_clang=default])
762 dnl Enable use of the built Clang.
763 AC_ARG_WITH(built-clang,
764 AS_HELP_STRING([--with-built-clang],
765 [Use the compiled Clang as the LLVM compiler (default=check)]),
766 [],[with_built_clang=check])
768 dnl Select the Clang compiler option.
770 dnl If --with-clang is given, always honor that; otherwise honor
771 dnl --with-built-clang, or check if we have the clang sources.
772 AC_MSG_CHECKING([clang compiler])
775 if test "$with_clang" != "default"; then
776 WITH_CLANGPATH="$with_clang"
777 if ! test -x "$WITH_CLANGPATH"; then
778 AC_MSG_ERROR([invalid --with-clang, path does not specify an executable])
780 elif test "$with_built_clang" = "yes"; then
782 elif test "$with_built_clang" = "no"; then
785 if test "$with_built_clang" != "check"; then
786 AC_MSG_ERROR([invalid value for --with-built-clang.])
789 if test -f ${srcdir}/tools/clang/README.txt; then
794 if ! test -z "$WITH_CLANGPATH"; then
795 AC_MSG_RESULT([$WITH_CLANGPATH])
796 WITH_CLANGXXPATH=`"$WITH_CLANGPATH" --print-prog-name=clang++`
797 elif test "$WITH_BUILT_CLANG" = "1"; then
798 AC_MSG_RESULT([built])
800 AC_MSG_RESULT([none])
802 AC_SUBST(CLANGPATH,$WITH_CLANGPATH)
803 AC_SUBST(CLANGXXPATH,$WITH_CLANGXXPATH)
804 AC_SUBST(ENABLE_BUILT_CLANG,$WITH_BUILT_CLANG)
806 dnl Override the option to use for optimized builds.
807 AC_ARG_WITH(optimize-option,
808 AS_HELP_STRING([--with-optimize-option],
809 [Select the compiler options to use for optimized builds]),,
811 AC_MSG_CHECKING([optimization flags])
814 case "$llvm_cv_os_type" in
815 FreeBSD) optimize_option=-O2 ;;
816 MingW) optimize_option=-O2 ;;
817 *) optimize_option=-O3 ;;
819 *) optimize_option="$withval" ;;
821 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
822 AC_MSG_RESULT([$optimize_option])
824 dnl Specify extra build options
825 AC_ARG_WITH(extra-options,
826 AS_HELP_STRING([--with-extra-options],
827 [Specify additional options to compile LLVM with]),,
830 default) EXTRA_OPTIONS= ;;
831 *) EXTRA_OPTIONS=$withval ;;
833 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
835 dnl Allow specific bindings to be specified for building (or not)
836 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
837 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
841 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
842 all ) BINDINGS_TO_BUILD="ocaml" ;;
843 none | no) BINDINGS_TO_BUILD="" ;;
844 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
846 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
847 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
853 dnl Allow the ocaml libdir to be overridden. This could go in a configure
854 dnl script for bindings/ocaml/configure, except that its auto value depends on
855 dnl OCAMLC, which is found here to support tests.
856 AC_ARG_WITH([ocaml-libdir],
857 [AS_HELP_STRING([--with-ocaml-libdir],
858 [Specify install location for ocaml bindings (default is stdlib)])],
862 auto) with_ocaml_libdir="$withval" ;;
863 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
864 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
867 AC_ARG_WITH(clang-resource-dir,
868 AS_HELP_STRING([--with-clang-resource-dir],
869 [Relative directory from the Clang binary for resource files]),,
871 AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval",
872 [Relative directory for resource files])
874 AC_ARG_WITH(c-include-dirs,
875 AS_HELP_STRING([--with-c-include-dirs],
876 [Colon separated list of directories clang will search for headers]),,
878 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
879 [Directories clang will search for headers])
881 AC_ARG_WITH(cxx-include-root,
882 AS_HELP_STRING([--with-cxx-include-root],
883 [Directory with the libstdc++ headers.]),,
885 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
886 [Directory with the libstdc++ headers.])
888 AC_ARG_WITH(cxx-include-arch,
889 AS_HELP_STRING([--with-cxx-include-arch],
890 [Architecture of the libstdc++ headers.]),,
892 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
893 [Arch the libstdc++ headers.])
895 AC_ARG_WITH(cxx-include-32bit-dir,
896 AS_HELP_STRING([--with-cxx-include-32bit-dir],
897 [32 bit multilib dir.]),,
899 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
900 [32 bit multilib directory.])
902 AC_ARG_WITH(cxx-include-64bit-dir,
903 AS_HELP_STRING([--with-cxx-include-64bit-dir],
904 [64 bit multilib directory.]),,
906 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
907 [64 bit multilib directory.])
909 dnl Allow linking of LLVM with GPLv3 binutils code.
910 AC_ARG_WITH(binutils-include,
911 AS_HELP_STRING([--with-binutils-include],
912 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
915 default) WITH_BINUTILS_INCDIR=default ;;
916 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
917 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
919 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
920 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
921 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
922 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
923 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
927 dnl --enable-libffi : check whether the user wants to turn off libffi:
928 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
929 --enable-libffi,[Check for the presence of libffi (default is NO)]),
930 [case "$enableval" in
931 yes) llvm_cv_enable_libffi="yes" ;;
932 no) llvm_cv_enable_libffi="no" ;;
933 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
935 llvm_cv_enable_libffi=no)
937 dnl===-----------------------------------------------------------------------===
939 dnl=== SECTION 4: Check for programs we need and that they are the right version
941 dnl===-----------------------------------------------------------------------===
943 dnl Check for compilation tools
951 dnl Check for the tools that the makefiles require
954 AC_PATH_PROG(CMP, [cmp], [cmp])
955 AC_PATH_PROG(CP, [cp], [cp])
956 AC_PATH_PROG(DATE, [date], [date])
957 AC_PATH_PROG(FIND, [find], [find])
958 AC_PATH_PROG(GREP, [grep], [grep])
959 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
960 AC_PATH_PROG(MV, [mv], [mv])
962 AC_CHECK_TOOL(AR, ar, false)
963 AC_PATH_PROG(RM, [rm], [rm])
964 AC_PATH_PROG(SED, [sed], [sed])
965 AC_PATH_PROG(TAR, [tar], [gtar])
966 AC_PATH_PROG(BINPWD,[pwd], [pwd])
968 dnl Looking for misc. graph plotting software
969 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
970 if test "$GRAPHVIZ" != "echo Graphviz" ; then
971 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
972 dnl If we're targeting for mingw we should emit windows paths, not msys
973 if test "$llvm_cv_os_type" = "MingW" ; then
974 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
976 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
977 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
979 AC_PATH_PROG(DOT, [dot], [echo dot])
980 if test "$DOT" != "echo dot" ; then
981 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
982 dnl If we're targeting for mingw we should emit windows paths, not msys
983 if test "$llvm_cv_os_type" = "MingW" ; then
984 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
986 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
987 [Define to path to dot program if found or 'echo dot' otherwise])
989 AC_PATH_PROG(FDP, [fdp], [echo fdp])
990 if test "$FDP" != "echo fdp" ; then
991 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
992 dnl If we're targeting for mingw we should emit windows paths, not msys
993 if test "$llvm_cv_os_type" = "MingW" ; then
994 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
996 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
997 [Define to path to fdp program if found or 'echo fdp' otherwise])
999 AC_PATH_PROG(NEATO, [neato], [echo neato])
1000 if test "$NEATO" != "echo neato" ; then
1001 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
1002 dnl If we're targeting for mingw we should emit windows paths, not msys
1003 if test "$llvm_cv_os_type" = "MingW" ; then
1004 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1006 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
1007 [Define to path to neato program if found or 'echo neato' otherwise])
1009 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
1010 if test "$TWOPI" != "echo twopi" ; then
1011 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
1012 dnl If we're targeting for mingw we should emit windows paths, not msys
1013 if test "$llvm_cv_os_type" = "MingW" ; then
1014 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1016 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
1017 [Define to path to twopi program if found or 'echo twopi' otherwise])
1019 AC_PATH_PROG(CIRCO, [circo], [echo circo])
1020 if test "$CIRCO" != "echo circo" ; then
1021 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
1022 dnl If we're targeting for mingw we should emit windows paths, not msys
1023 if test "$llvm_cv_os_type" = "MingW" ; then
1024 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1026 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
1027 [Define to path to circo program if found or 'echo circo' otherwise])
1029 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
1030 if test "$GV" != "echo gv" ; then
1031 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
1032 dnl If we're targeting for mingw we should emit windows paths, not msys
1033 if test "$llvm_cv_os_type" = "MingW" ; then
1034 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1036 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
1037 [Define to path to gv program if found or 'echo gv' otherwise])
1039 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
1040 if test "$DOTTY" != "echo dotty" ; then
1041 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
1042 dnl If we're targeting for mingw we should emit windows paths, not msys
1043 if test "$llvm_cv_os_type" = "MingW" ; then
1044 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1046 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
1047 [Define to path to dotty program if found or 'echo dotty' otherwise])
1049 AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py])
1050 if test "$XDOT_PY" != "echo xdot.py" ; then
1051 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available])
1052 dnl If we're targeting for mingw we should emit windows paths, not msys
1053 if test "$llvm_cv_os_type" = "MingW" ; then
1054 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
1056 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}",
1057 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise])
1060 dnl Look for a sufficiently recent version of Perl.
1061 LLVM_PROG_PERL([5.006])
1063 if test x"$PERL" = xnone; then
1064 AC_SUBST(HAVE_PERL,0)
1065 AC_MSG_ERROR([perl is required but was not found, please install it])
1067 AC_SUBST(HAVE_PERL,1)
1070 dnl Find the install program
1072 dnl Prepend src dir to install path dir if it's a relative path
1073 dnl This is a hack for installs that take place in something other
1074 dnl than the top level.
1076 [[\\/$]]* | ?:[[\\/]]* ) ;;
1077 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;;
1080 dnl Checks for documentation and testing tools that we can do without. If these
1081 dnl are not found then they are set to "true" which always succeeds but does
1082 dnl nothing. This just lets the build output show that we could have done
1083 dnl something if the tool was available.
1084 AC_PATH_PROG(BZIP2, [bzip2])
1085 AC_PATH_PROG(CAT, [cat])
1086 AC_PATH_PROG(DOXYGEN, [doxygen])
1087 AC_PATH_PROG(GROFF, [groff])
1088 AC_PATH_PROG(GZIPBIN, [gzip])
1089 AC_PATH_PROG(POD2HTML, [pod2html])
1090 AC_PATH_PROG(POD2MAN, [pod2man])
1091 AC_PATH_PROG(PDFROFF, [pdfroff])
1092 AC_PATH_PROG(RUNTEST, [runtest])
1094 AC_PATH_PROG(ZIP, [zip])
1095 AC_PATH_PROGS(OCAMLC, [ocamlc])
1096 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
1097 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
1098 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
1099 AC_PATH_PROGS(GAS, [gas as])
1101 dnl Get the version of the linker in use.
1104 dnl Determine whether the linker supports the -R option.
1107 dnl Determine whether the linker supports the -export-dynamic option.
1108 AC_LINK_EXPORT_DYNAMIC
1110 dnl Determine whether the linker supports the --version-script option.
1111 AC_LINK_VERSION_SCRIPT
1113 dnl Check for libtool and the library that has dlopen function (which must come
1114 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
1119 if test "$WITH_LLVMGCCDIR" = "default" ; then
1120 LLVMGCC="llvm-gcc${EXEEXT}"
1121 LLVMGXX="llvm-g++${EXEEXT}"
1122 LLVMGCCCOMMAND="$LLVMGCC"
1123 LLVMGXXCOMMAND="$LLVMGXX"
1124 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1125 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1126 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
1127 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
1129 if test -z "$LLVMGCC"; then
1130 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
1131 LLVMGCCCOMMAND="$LLVMGCC"
1133 if test -z "$LLVMGXX"; then
1134 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
1135 LLVMGXXCOMMAND="$LLVMGXX"
1138 AC_SUBST(LLVMGCC,$LLVMGCC)
1139 AC_SUBST(LLVMGXX,$LLVMGXX)
1140 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
1141 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
1144 dnl Select the LLVM capable compiler to use, we default to using llvm-gcc if
1145 dnl found, otherwise clang if available.
1147 AS_HELP_STRING([--with-llvmcc=<name>],
1148 [Choose the LLVM capable compiler to use (llvm-gcc, clang, or none; default=check)]),
1149 [],[with_llvmcc=check])
1150 AC_MSG_CHECKING([LLVM capable compiler])
1151 if test "$with_llvmcc" != "check"; then
1152 if (test "$with_llvmcc" != "llvm-gcc" &&
1153 test "$with_llvmcc" != "clang" &&
1154 test "$with_llvmcc" != "none"); then
1155 AC_MSG_ERROR([invalid value for --with-llvmcc, expected 'llvm-gcc', 'clang', or 'none'.])
1157 WITH_LLVMCC="$with_llvmcc"
1158 elif test -n "$LLVMGCC"; then
1159 WITH_LLVMCC=llvm-gcc
1160 elif test -n "$WITH_CLANGPATH" || test "$WITH_BUILT_CLANG" -ne "0"; then
1165 AC_MSG_RESULT([$WITH_LLVMCC])
1166 AC_SUBST(LLVMCC_OPTION,$WITH_LLVMCC)
1168 AC_MSG_CHECKING([tool compatibility])
1170 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
1171 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
1172 dnl to support those options.
1173 dnl "icc" emits gcc signatures
1174 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
1186 if test "$GCC" != "yes" && test "$ICC" != "yes"
1188 AC_MSG_ERROR([gcc|icc required but not found])
1191 dnl Ensure that compilation tools are compatible with GCC extensions
1192 if test "$GXX" != "yes" && test "$IXX" != "yes"
1194 AC_MSG_ERROR([g++|clang++|icc required but not found])
1197 dnl Verify that GCC is version 3.0 or higher
1198 if test "$GCC" = "yes"
1200 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
1201 #error Unsupported GCC version
1203 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1206 dnl Check for GNU Make. We use its extensions, so don't build without it
1207 if test -z "$llvm_cv_gnu_make_command"
1209 AC_MSG_ERROR([GNU Make required but not found])
1212 dnl Tool compatibility is okay if we make it here.
1215 dnl Check optional compiler flags.
1216 AC_MSG_CHECKING([optional compiler flags])
1217 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1218 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1219 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1221 dnl===-----------------------------------------------------------------------===
1223 dnl=== SECTION 5: Check for libraries
1225 dnl===-----------------------------------------------------------------------===
1228 if test "$llvm_cv_os_type" = "MingW" ; then
1229 AC_CHECK_LIB(imagehlp, main)
1230 AC_CHECK_LIB(psapi, main)
1233 dnl dlopen() is required for plugin support.
1234 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1235 [Define if dlopen() is available on this platform.]),
1236 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1238 dnl libffi is optional; used to call external functions from the interpreter
1239 if test "$llvm_cv_enable_libffi" = "yes" ; then
1240 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1241 [Define if libffi is available on this platform.]),
1242 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1245 dnl mallinfo is optional; the code can compile (minus features) without it
1246 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1247 [Define if mallinfo() is available on this platform.]))
1249 dnl pthread locking functions are optional - but llvm will not be thread-safe
1251 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1252 AC_CHECK_LIB(pthread, pthread_mutex_init)
1253 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1254 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1255 [Have pthread_mutex_lock]))
1256 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1257 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1258 [Have pthread_rwlock_init]))
1259 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1260 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1261 [Have pthread_getspecific]))
1264 dnl Allow extra x86-disassembler library
1266 AS_HELP_STRING([--with-udis86=<path>],
1267 [Use udis86 external x86 disassembler library]),
1269 AC_SUBST(USE_UDIS86, [1])
1272 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1274 AC_CHECK_LIB(udis86, ud_init, [], [
1275 echo "Error! You need to have libudis86 around."
1279 AC_SUBST(USE_UDIS86, [0]))
1280 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1281 [Define if use udis86 library])
1283 dnl Allow OProfile support for JIT output.
1284 AC_ARG_WITH(oprofile,
1285 AS_HELP_STRING([--with-oprofile=<prefix>],
1286 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1288 AC_SUBST(USE_OPROFILE, [1])
1290 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1292 AC_SUBST(USE_OPROFILE, [0]) ;;
1293 *) llvm_cv_oppath="${withval}/lib/oprofile"
1294 CPPFLAGS="-I${withval}/include";;
1296 if test -n "$llvm_cv_oppath" ; then
1297 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1298 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1299 dnl libbfd is not included properly in libopagent in some Debian
1300 dnl versions. If libbfd isn't found at all, we assume opagent works
1302 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1303 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1304 echo "Error! You need to have libopagent around."
1307 AC_CHECK_HEADER([opagent.h], [], [
1308 echo "Error! You need to have opagent.h around."
1314 AC_SUBST(USE_OPROFILE, [0])
1316 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1317 [Define if we have the oprofile JIT-support library])
1319 dnl===-----------------------------------------------------------------------===
1321 dnl=== SECTION 6: Check for header files
1323 dnl===-----------------------------------------------------------------------===
1325 dnl First, use autoconf provided macros for specific headers that we need
1326 dnl We don't check for ancient stuff or things that are guaranteed to be there
1327 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1328 dnl Generally we're looking for POSIX headers.
1330 AC_HEADER_MMAP_ANONYMOUS
1336 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1337 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1338 AC_CHECK_HEADERS([utime.h windows.h])
1339 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h])
1340 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1341 AC_CHECK_HEADERS([valgrind/valgrind.h])
1342 AC_CHECK_HEADERS([fenv.h])
1343 if test "$ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
1344 AC_CHECK_HEADERS(pthread.h,
1345 AC_SUBST(HAVE_PTHREAD, 1),
1346 AC_SUBST(HAVE_PTHREAD, 0))
1348 AC_SUBST(HAVE_PTHREAD, 0)
1351 dnl Try to find ffi.h.
1352 if test "$llvm_cv_enable_libffi" = "yes" ; then
1353 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1356 dnl Try to find Darwin specific crash reporting libraries.
1357 AC_CHECK_HEADERS([CrashReporterClient.h])
1359 dnl Try to find Darwin specific crash reporting global.
1360 AC_MSG_CHECKING([__crashreporter_info__])
1363 [[extern const char *__crashreporter_info__;
1365 __crashreporter_info__ = "test";
1370 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__),
1372 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0,
1373 Define if __crashreporter_info__ exists.))
1375 dnl===-----------------------------------------------------------------------===
1377 dnl=== SECTION 7: Check for types and structures
1379 dnl===-----------------------------------------------------------------------===
1384 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1386 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1387 AC_CHECK_TYPES([uint64_t],,
1388 AC_CHECK_TYPES([u_int64_t],,
1389 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1391 dnl===-----------------------------------------------------------------------===
1393 dnl=== SECTION 8: Check for specific functions needed
1395 dnl===-----------------------------------------------------------------------===
1397 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1398 AC_CHECK_FUNCS([powf fmodf strtof round ])
1399 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1400 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1401 AC_CHECK_FUNCS([mktemp posix_spawn realpath sbrk setrlimit strdup ])
1402 AC_CHECK_FUNCS([strerror strerror_r setenv ])
1403 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1404 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev])
1408 dnl Check the declaration "Secure API" on Windows environments.
1409 AC_CHECK_DECLS([strerror_s])
1411 dnl Check symbols in libgcc.a for JIT on Mingw.
1412 if test "$llvm_cv_os_type" = "MingW" ; then
1413 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca]))
1414 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca]))
1415 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk]))
1416 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk]))
1418 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3]))
1419 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3]))
1420 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3]))
1421 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi]))
1422 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi]))
1423 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf]))
1424 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3]))
1425 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3]))
1426 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3]))
1427 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3]))
1429 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main]))
1430 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2]))
1433 dnl Check Win32 API EnumerateLoadedModules.
1434 if test "$llvm_cv_os_type" = "MingW" ; then
1435 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl])
1436 AC_COMPILE_IFELSE([[#include <windows.h>
1437 #include <imagehlp.h>
1438 extern void foo(PENUMLOADED_MODULES_CALLBACK);
1439 extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]],
1441 AC_MSG_RESULT([yes])
1442 llvm_cv_win32_elmcb_pcstr="PCSTR"
1446 llvm_cv_win32_elmcb_pcstr="PSTR"
1448 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback])
1451 dnl Check for variations in the Standard C++ library and STL. These macros are
1452 dnl provided by LLVM in the autoconf/m4 directory.
1456 dnl Check for mmap support.We also need to know if /dev/zero is required to
1457 dnl be opened for allocating RWX memory.
1458 dnl Make sure we aren't attempting to configure for an unknown system
1459 if test "$llvm_cv_platform_type" = "Unix" ; then
1462 AC_NEED_DEV_ZERO_FOR_MMAP
1464 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1466 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1468 if test "$ac_cv_func_mmap_file" = "no"
1470 AC_MSG_WARN([mmap() of files required but not found])
1474 dnl atomic builtins are required for threading support.
1475 AC_MSG_CHECKING(for GCC atomic builtins)
1476 dnl Since we'll be using these atomic builtins in C++ files we should test
1477 dnl the C++ compiler.
1482 volatile unsigned long val = 1;
1483 __sync_synchronize();
1484 __sync_val_compare_and_swap(&val, 1, 0);
1485 __sync_add_and_fetch(&val, 1);
1486 __sync_sub_and_fetch(&val, 1);
1492 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1494 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1495 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1497 dnl===-----------------------------------------------------------------------===
1499 dnl=== SECTION 9: Additional checks, variables, etc.
1501 dnl===-----------------------------------------------------------------------===
1503 dnl Handle 32-bit linux systems running a 64-bit kernel.
1504 dnl This has to come after section 4 because it invokes the compiler.
1505 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1507 if test "$llvm_cv_linux_mixed" = "yes"; then
1508 llvm_cv_target_arch="x86"
1513 dnl Check, whether __dso_handle is present
1514 AC_CHECK_FUNCS([__dso_handle])
1516 dnl Check wether llvm-gcc is based on dragonegg
1517 AC_CACHE_CHECK([whether llvm-gcc is dragonegg],[llvm_cv_llvmgcc_dragonegg],
1518 [llvm_cv_llvmgcc_dragonegg="no"
1519 if test -n "$LLVMGCC" ; then
1520 cp /dev/null conftest.c
1521 $LLVMGCC -fplugin-arg-dragonegg-emit-ir -S -o - conftest.c > /dev/null 2>&1
1522 if test $? -eq 0 ; then
1523 llvm_cv_llvmgcc_dragonegg="yes"
1528 dnl Set the flags needed to emit LLVM IR and to disable optimizations
1530 if test "$llvm_cv_llvmgcc_dragonegg" = "yes" ; then
1531 LLVMCC_EMITIR_FLAG="-fplugin-arg-dragonegg-emit-ir"
1532 LLVMCC_DISABLEOPT_FLAGS="-fplugin-arg-dragonegg-llvm-ir-optimize=0"
1534 LLVMCC_EMITIR_FLAG="-emit-llvm"
1535 LLVMCC_DISABLEOPT_FLAGS="-mllvm -disable-llvm-optzns"
1538 AC_SUBST(LLVMCC_EMITIR_FLAG)
1540 dnl See if the llvm-gcc executable can compile to LLVM assembly
1541 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1542 [llvm_cv_llvmgcc_sanity="no"
1543 if test -n "$LLVMGCC" ; then
1544 cp /dev/null conftest.c
1545 $LLVMGCC "$LLVMCC_EMITIR_FLAG" -S -o - conftest.c | \
1546 grep 'target datalayout =' > /dev/null 2>&1
1547 if test $? -eq 0 ; then
1548 llvm_cv_llvmgcc_sanity="yes"
1553 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1554 dnl Furthermore, add some information about the tools
1555 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1556 AC_MSG_CHECKING([llvm-gcc component support])
1557 llvmcc1path=`$LLVMGCC --print-prog-name=cc1`
1558 AC_SUBST(LLVMCC1,$llvmcc1path)
1559 llvmcc1pluspath=`$LLVMGCC --print-prog-name=cc1plus`
1560 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1561 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1562 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1563 llvmgcclangs=[`$LLVMGCC -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1564 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1565 AC_SUBST(LLVMGCC_DRAGONEGG,$llvm_cv_llvmgcc_dragonegg)
1566 AC_SUBST(LLVMCC_DISABLEOPT_FLAGS)
1570 dnl Propagate the shared library extension that the libltdl checks did to
1571 dnl the Makefiles so we can use it there too
1572 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1574 dnl Propagate the run-time library path variable that the libltdl
1575 dnl checks found to the Makefiles so we can use it there too
1576 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1578 # Translate the various configuration directories and other basic
1579 # information into substitutions that will end up in Makefile.config.in
1580 # that these configured values can be used by the makefiles
1581 if test "${prefix}" = "NONE" ; then
1584 eval LLVM_PREFIX="${prefix}";
1585 eval LLVM_BINDIR="${prefix}/bin";
1586 eval LLVM_LIBDIR="${prefix}/lib";
1587 eval LLVM_DATADIR="${prefix}/share/llvm";
1588 eval LLVM_DOCSDIR="${prefix}/share/doc/llvm";
1589 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1590 eval LLVM_INCLUDEDIR="${prefix}/include";
1591 eval LLVM_INFODIR="${prefix}/info";
1592 eval LLVM_MANDIR="${prefix}/man";
1593 LLVM_CONFIGTIME=`date`
1594 AC_SUBST(LLVM_PREFIX)
1595 AC_SUBST(LLVM_BINDIR)
1596 AC_SUBST(LLVM_LIBDIR)
1597 AC_SUBST(LLVM_DATADIR)
1598 AC_SUBST(LLVM_DOCSDIR)
1599 AC_SUBST(LLVM_ETCDIR)
1600 AC_SUBST(LLVM_INCLUDEDIR)
1601 AC_SUBST(LLVM_INFODIR)
1602 AC_SUBST(LLVM_MANDIR)
1603 AC_SUBST(LLVM_CONFIGTIME)
1605 # Place the various directores into the config.h file as #defines so that we
1606 # can know about the installation paths within LLVM.
1607 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1608 [Installation prefix directory])
1609 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1610 [Installation directory for binary executables])
1611 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1612 [Installation directory for libraries])
1613 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1614 [Installation directory for data files])
1615 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1616 [Installation directory for documentation])
1617 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1618 [Installation directory for config files])
1619 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1620 [Installation directory for include files])
1621 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1622 [Installation directory for .info files])
1623 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1624 [Installation directory for man pages])
1625 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1626 [Time at which LLVM was configured])
1627 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1628 [Host triple we were built on])
1630 # Determine which bindings to build.
1631 if test "$BINDINGS_TO_BUILD" = auto ; then
1632 BINDINGS_TO_BUILD=""
1633 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1634 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1637 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1639 # This isn't really configurey, but it avoids having to repeat the list in
1641 AC_SUBST(ALL_BINDINGS,ocaml)
1643 # Do any work necessary to ensure that bindings have what they need.
1644 binding_prereqs_failed=0
1645 for a_binding in $BINDINGS_TO_BUILD ; do
1646 case "$a_binding" in
1648 if test "x$OCAMLC" = x ; then
1649 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1650 binding_prereqs_failed=1
1652 if test "x$OCAMLDEP" = x ; then
1653 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1654 binding_prereqs_failed=1
1656 if test "x$OCAMLOPT" = x ; then
1657 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1658 dnl ocamlopt is optional!
1660 if test "x$with_ocaml_libdir" != xauto ; then
1661 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1663 ocaml_stdlib="`"$OCAMLC" -where`"
1664 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1666 # ocaml stdlib is beneath our prefix; use stdlib
1667 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1669 # ocaml stdlib is outside our prefix; use libdir/ocaml
1670 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1676 if test "$binding_prereqs_failed" = 1 ; then
1677 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1680 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1681 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1683 dnl Determine linker rpath flag
1684 if test "$llvm_cv_link_use_r" = "yes" ; then
1691 dnl Determine linker rdynamic flag
1692 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1693 RDYNAMIC="-Wl,-export-dynamic"
1699 dnl===-----------------------------------------------------------------------===
1701 dnl=== SECTION 10: Specify the output files and generate it
1703 dnl===-----------------------------------------------------------------------===
1705 dnl Configure header files
1706 dnl WARNING: dnl If you add or remove any of the following config headers, then
1707 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1708 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1709 dnl files can be updated automatically when their *.in sources change.
1710 AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h])
1711 AH_TOP([#ifndef CONFIG_H
1715 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1716 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1717 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1718 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1719 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1721 dnl Configure the makefile's configuration data
1722 AC_CONFIG_FILES([Makefile.config])
1724 dnl Configure the RPM spec file for LLVM
1725 AC_CONFIG_FILES([llvm.spec])
1727 dnl Configure doxygen's configuration file
1728 AC_CONFIG_FILES([docs/doxygen.cfg])
1729 if test -f ${srcdir}/tools/clang/README.txt; then
1730 AC_CONFIG_FILES([tools/clang/docs/doxygen.cfg])
1733 dnl Configure llvmc's Base plugin
1734 AC_CONFIG_FILES([tools/llvmc/src/Base.td])
1736 dnl Do the first stage of configuration for llvm-config.in.
1737 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1739 dnl Do special configuration of Makefiles
1740 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1741 AC_CONFIG_MAKEFILE(Makefile)
1742 AC_CONFIG_MAKEFILE(Makefile.common)
1743 AC_CONFIG_MAKEFILE(examples/Makefile)
1744 AC_CONFIG_MAKEFILE(lib/Makefile)
1745 AC_CONFIG_MAKEFILE(runtime/Makefile)
1746 AC_CONFIG_MAKEFILE(test/Makefile)
1747 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1748 AC_CONFIG_MAKEFILE(unittests/Makefile)
1749 AC_CONFIG_MAKEFILE(tools/Makefile)
1750 AC_CONFIG_MAKEFILE(utils/Makefile)
1751 AC_CONFIG_MAKEFILE(projects/Makefile)
1752 AC_CONFIG_MAKEFILE(bindings/Makefile)
1753 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1755 dnl Finally, crank out the output