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]],[[2.7svn]],[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) 2003-2009 University of Illinois at Urbana-Champaign."])
39 AC_COPYRIGHT([Copyright (c) 2003-2009 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.
65 for i in `ls ${srcdir}/projects`
67 if test -d ${srcdir}/projects/${i} ; then
70 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;;
71 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;;
72 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;;
73 # llvm-test is the old name of the test-suite, kept here for backwards
75 llvm-test) AC_CONFIG_SUBDIRS([projects/llvm-test]) ;;
76 test-suite) AC_CONFIG_SUBDIRS([projects/test-suite]) ;;
77 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
78 llvm-gcc) AC_CONFIG_SUBDIRS([projects/llvm-gcc]) ;;
79 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
80 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
81 llvm-poolalloc) AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) ;;
82 poolalloc) AC_CONFIG_SUBDIRS([projects/poolalloc]) ;;
83 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
85 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
91 dnl===-----------------------------------------------------------------------===
93 dnl=== SECTION 2: Architecture, target, and host checks
95 dnl===-----------------------------------------------------------------------===
97 dnl Check the target for which we're compiling and the host that will do the
98 dnl compilations. This will tell us which LLVM compiler will be used for
99 dnl compiling SSA into object code. This needs to be done early because
100 dnl following tests depend on it.
103 dnl Determine the platform type and cache its value. This helps us configure
104 dnl the System library to the correct build platform.
105 AC_CACHE_CHECK([type of operating system we're going to host on],
109 llvm_cv_link_all_option="-Wl,--whole-archive"
110 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
111 llvm_cv_os_type="AIX"
112 llvm_cv_platform_type="Unix" ;;
114 llvm_cv_link_all_option="-Wl,--whole-archive"
115 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
116 llvm_cv_os_type="IRIX"
117 llvm_cv_platform_type="Unix" ;;
119 llvm_cv_link_all_option="-Wl,--whole-archive"
120 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
121 llvm_cv_os_type="Cygwin"
122 llvm_cv_platform_type="Unix" ;;
124 llvm_cv_link_all_option="-Wl,-all_load"
125 llvm_cv_no_link_all_option="-Wl,-noall_load"
126 llvm_cv_os_type="Darwin"
127 llvm_cv_platform_type="Unix" ;;
129 llvm_cv_link_all_option="-Wl,--whole-archive"
130 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
131 llvm_cv_os_type="FreeBSD"
132 llvm_cv_platform_type="Unix" ;;
134 llvm_cv_link_all_option="-Wl,--whole-archive"
135 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
136 llvm_cv_os_type="OpenBSD"
137 llvm_cv_platform_type="Unix" ;;
139 llvm_cv_link_all_option="-Wl,--whole-archive"
140 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
141 llvm_cv_os_type="NetBSD"
142 llvm_cv_platform_type="Unix" ;;
144 llvm_cv_link_all_option="-Wl,--whole-archive"
145 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
146 llvm_cv_os_type="DragonFly"
147 llvm_cv_platform_type="Unix" ;;
149 llvm_cv_link_all_option="-Wl,--whole-archive"
150 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
151 llvm_cv_os_type="HP-UX"
152 llvm_cv_platform_type="Unix" ;;
154 llvm_cv_link_all_option="-Wl,--whole-archive"
155 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
156 llvm_cv_os_type="Interix"
157 llvm_cv_platform_type="Unix" ;;
159 llvm_cv_link_all_option="-Wl,--whole-archive"
160 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
161 llvm_cv_os_type="Linux"
162 llvm_cv_platform_type="Unix" ;;
164 llvm_cv_link_all_option="-Wl,-z,allextract"
165 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
166 llvm_cv_os_type="SunOS"
167 llvm_cv_platform_type="Unix" ;;
169 llvm_cv_link_all_option="-Wl,-z,allextract"
170 llvm_cv_link_all_option="-Wl,-z,defaultextract"
171 llvm_cv_os_type="AuroraUX"
172 llvm_cv_platform_type="Unix" ;;
174 llvm_cv_link_all_option="-Wl,--whole-archive"
175 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
176 llvm_cv_os_type="Win32"
177 llvm_cv_platform_type="Win32" ;;
179 llvm_cv_link_all_option="-Wl,--whole-archive"
180 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
181 llvm_cv_os_type="MingW"
182 llvm_cv_platform_type="Win32" ;;
184 llvm_cv_link_all_option="-Wl,--whole-archive"
185 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
186 llvm_cv_os_type="Haiku"
187 llvm_cv_platform_type="Unix" ;;
189 llvm_cv_link_all_option="-Wl,--whole-archive"
190 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
191 llvm_cv_os_type="Freestanding"
192 llvm_cv_platform_type="Unix" ;;
194 llvm_cv_link_all_option="-Wl,--whole-archive"
195 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
196 llvm_cv_os_type="Freestanding"
197 llvm_cv_platform_type="Unix" ;;
199 llvm_cv_link_all_option=""
200 llvm_cv_no_link_all_option=""
201 llvm_cv_os_type="Unknown"
202 llvm_cv_platform_type="Unknown" ;;
205 AC_CACHE_CHECK([type of operating system we're going to target],
206 [llvm_cv_target_os_type],
209 llvm_cv_target_os_type="AIX" ;;
211 llvm_cv_target_os_type="IRIX" ;;
213 llvm_cv_target_os_type="Cygwin" ;;
215 llvm_cv_target_os_type="Darwin" ;;
217 llvm_cv_target_os_type="FreeBSD" ;;
219 llvm_cv_target_os_type="OpenBSD" ;;
221 llvm_cv_target_os_type="NetBSD" ;;
223 llvm_cv_target_os_type="DragonFly" ;;
225 llvm_cv_target_os_type="HP-UX" ;;
227 llvm_cv_target_os_type="Interix" ;;
229 llvm_cv_target_os_type="Linux" ;;
231 llvm_cv_target_os_type="SunOS" ;;
233 llvm_cv_target_os_type="AuroraUX" ;;
235 llvm_cv_target_os_type="Win32" ;;
237 llvm_cv_target_os_type="MingW" ;;
239 llvm_cv_target_os_type="Haiku" ;;
241 llvm_cv_target_os_type="Freestanding" ;;
243 llvm_cv_target_os_type="Unknown" ;;
246 dnl Make sure we aren't attempting to configure for an unknown system
247 if test "$llvm_cv_os_type" = "Unknown" ; then
248 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
251 dnl Set the "OS" Makefile variable based on the platform type so the
252 dnl makefile can configure itself to specific build hosts
253 AC_SUBST(OS,$llvm_cv_os_type)
254 AC_SUBST(HOST_OS,$llvm_cv_os_type)
255 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
257 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
258 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
259 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
261 dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type
262 dnl This is used by lib/System to determine the basic kind of implementation
264 case $llvm_cv_platform_type in
266 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
267 AC_SUBST(LLVM_ON_UNIX,[1])
268 AC_SUBST(LLVM_ON_WIN32,[0])
271 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
272 AC_SUBST(LLVM_ON_UNIX,[0])
273 AC_SUBST(LLVM_ON_WIN32,[1])
277 dnl Determine what our target architecture is and configure accordingly.
278 dnl This will allow Makefiles to make a distinction between the hardware and
280 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
282 i?86-*) llvm_cv_target_arch="x86" ;;
283 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
284 sparc*-*) llvm_cv_target_arch="Sparc" ;;
285 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
286 alpha*-*) llvm_cv_target_arch="Alpha" ;;
287 arm*-*) llvm_cv_target_arch="ARM" ;;
288 mips-*) llvm_cv_target_arch="Mips" ;;
289 pic16-*) llvm_cv_target_arch="PIC16" ;;
290 xcore-*) llvm_cv_target_arch="XCore" ;;
291 msp430-*) llvm_cv_target_arch="MSP430" ;;
292 s390x-*) llvm_cv_target_arch="SystemZ" ;;
293 bfin-*) llvm_cv_target_arch="Blackfin" ;;
294 *) llvm_cv_target_arch="Unknown" ;;
297 if test "$llvm_cv_target_arch" = "Unknown" ; then
298 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
301 # Determine the LLVM native architecture for the target
302 case "$llvm_cv_target_arch" in
303 x86) LLVM_NATIVE_ARCH="X86" ;;
304 x86_64) LLVM_NATIVE_ARCH="X86" ;;
305 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
308 dnl Define a substitution, ARCH, for the target architecture
309 AC_SUBST(ARCH,$llvm_cv_target_arch)
311 dnl Check for the endianness of the target
312 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
314 dnl Check for build platform executable suffix if we're crosscompiling
315 if test "$cross_compiling" = yes; then
316 AC_SUBST(LLVM_CROSS_COMPILING, [1])
318 ac_build_prefix=${build_alias}-
319 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
320 if test -z "$BUILD_CXX"; then
321 AC_CHECK_PROG(BUILD_CXX, g++, g++)
322 if test -z "$BUILD_CXX"; then
323 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
327 AC_SUBST(LLVM_CROSS_COMPILING, [0])
330 dnl Check to see if there's a "CVS" (or .svn or .git) directory indicating
331 dnl that this build is being done from a checkout. This sets up several
332 dnl defaults for the command line switches. When we build with a CVS directory,
333 dnl we get a debug with assertions turned on. Without, we assume a source
334 dnl release and we get an optimized build without assertions.
335 dnl See --enable-optimized and --enable-assertions below
336 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
339 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
345 dnl===-----------------------------------------------------------------------===
347 dnl=== SECTION 3: Command line arguments for the configure script.
349 dnl===-----------------------------------------------------------------------===
351 dnl --enable-optimized : check whether they want to do an optimized build:
352 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
353 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
354 if test ${enableval} = "no" ; then
355 AC_SUBST(ENABLE_OPTIMIZED,[[]])
357 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
360 dnl --enable-profiling : check whether they want to do a profile build:
361 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
362 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
363 if test ${enableval} = "no" ; then
364 AC_SUBST(ENABLE_PROFILING,[[]])
366 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
369 dnl --enable-assertions : check whether they want to turn on assertions or not:
370 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
371 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
372 if test ${enableval} = "yes" ; then
373 AC_SUBST(DISABLE_ASSERTIONS,[[]])
375 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
378 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
379 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
380 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
381 if test ${enableval} = "yes" ; then
382 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
383 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
385 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
386 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
389 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
390 AC_ARG_ENABLE(debug-runtime,
391 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
392 if test ${enableval} = "no" ; then
393 AC_SUBST(DEBUG_RUNTIME,[[]])
395 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
398 dnl --enable-debug-symbols : should even optimized compiler libraries
399 dnl have debug symbols?
400 AC_ARG_ENABLE(debug-symbols,
401 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)
402 if test ${enableval} = "no" ; then
403 AC_SUBST(DEBUG_SYMBOLS,[[]])
405 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
408 dnl --enable-jit: check whether they want to enable the jit
410 AS_HELP_STRING(--enable-jit,
411 [Enable Just In Time Compiling (default is YES)]),,
413 if test ${enableval} = "no"
417 case "$llvm_cv_target_arch" in
418 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
419 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
420 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
421 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
422 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
423 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
424 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
425 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
426 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
427 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
428 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
429 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
430 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
434 dnl Allow enablement of doxygen generated documentation
435 AC_ARG_ENABLE(doxygen,
436 AS_HELP_STRING([--enable-doxygen],
437 [Build doxygen documentation (default is NO)]),,
440 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
441 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
442 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
443 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
446 dnl Allow disablement of threads
447 AC_ARG_ENABLE(threads,
448 AS_HELP_STRING([--enable-threads],
449 [Use threads if available (default is YES)]),,
452 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
453 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
454 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
455 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
457 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
459 dnl Allow building without position independent code
461 AS_HELP_STRING([--enable-pic],
462 [Build LLVM with Position Independent Code (default is YES)]),,
465 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
466 no) AC_SUBST(ENABLE_PIC,[0]) ;;
467 default) AC_SUBST(ENABLE_PIC,[1]) ;;
468 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
470 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
471 [Define if position independent code is enabled])
473 dnl Allow specific targets to be specified for building (or not)
475 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
476 [Build specific host targets: all or target1,target2,... Valid targets are:
477 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu, pic16,
478 xcore, msp430, systemz, blackfin, cbe, msil, and cpp (default=all)]),,
480 if test "$enableval" = host-only ; then
484 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend" ;;
485 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
487 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
488 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
489 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
490 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
491 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
492 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
493 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
494 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
495 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
496 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
497 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
498 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
499 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
500 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
501 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
502 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
503 host) case "$llvm_cv_target_arch" in
504 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
505 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
506 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
507 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
508 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
509 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
510 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
511 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
512 PIC16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
513 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
514 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
515 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
516 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
517 *) AC_MSG_ERROR([Can not set target to build]) ;;
519 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
524 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
526 # Determine whether we are building LLVM support for the native architecture.
527 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
528 for a_target in $TARGETS_TO_BUILD; do
529 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
530 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
531 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
532 [LLVM architecture name for the native architecture, if available])
536 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
537 # target feature def files.
539 LLVM_ENUM_ASM_PRINTERS=""
540 LLVM_ENUM_ASM_PARSERS=""
541 LLVM_ENUM_DISASSEMBLERS=""
542 for target_to_build in $TARGETS_TO_BUILD; do
543 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
544 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
545 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
547 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
548 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
550 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
551 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
554 AC_SUBST(LLVM_ENUM_TARGETS)
555 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
556 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
557 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
559 dnl Prevent the CBackend from using printf("%a") for floating point so older
560 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
561 dnl can still compile the CBE's output
562 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
563 [Enable C Backend output with hex floating point via %a (default is YES)]),,
566 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
567 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
568 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
569 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
571 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
572 [Define if CBE is enabled for printf %a output])
574 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
575 AC_ARG_WITH(llvmgccdir,
576 AS_HELP_STRING([--with-llvmgccdir],
577 [Specify location of llvm-gcc install dir (default searches PATH)]),,
580 default) WITH_LLVMGCCDIR=default ;;
581 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
582 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
585 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
587 AS_HELP_STRING([--with-llvmgcc],
588 [Specify location of llvm-gcc driver (default searches PATH)]),
589 LLVMGCC=$with_llvmgcc
592 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
594 AS_HELP_STRING([--with-llvmgxx],
595 [Specify location of llvm-g++ driver (default searches PATH)]),
596 LLVMGXX=$with_llvmgxx
599 if test -n "$LLVMGCC"; then
600 LLVMGCCCOMMAND="$LLVMGCC"
603 if test -n "$LLVMGXX"; then
604 LLVMGXXCOMMAND="$LLVMGXX"
607 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
608 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
611 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
612 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
615 dnl Override the option to use for optimized builds.
616 AC_ARG_WITH(optimize-option,
617 AS_HELP_STRING([--with-optimize-option],
618 [Select the compiler options to use for optimized builds]),,
620 AC_MSG_CHECKING([optimization flags])
623 case "$llvm_cv_os_type" in
624 MingW) optimize_option=-O3 ;;
625 *) optimize_option=-O2 ;;
627 *) optimize_option="$withval" ;;
629 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
630 AC_MSG_RESULT([$optimize_option])
632 dnl Specify extra build options
633 AC_ARG_WITH(extra-options,
634 AS_HELP_STRING([--with-extra-options],
635 [Specify additional options to compile LLVM with]),,
638 default) EXTRA_OPTIONS= ;;
639 *) EXTRA_OPTIONS=$withval ;;
641 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
643 dnl Allow specific bindings to be specified for building (or not)
644 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
645 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
649 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
650 all ) BINDINGS_TO_BUILD="ocaml" ;;
651 none | no) BINDINGS_TO_BUILD="" ;;
652 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
654 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
655 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
661 dnl Allow the ocaml libdir to be overridden. This could go in a configure
662 dnl script for bindings/ocaml/configure, except that its auto value depends on
663 dnl OCAMLC, which is found here to support tests.
664 AC_ARG_WITH([ocaml-libdir],
665 [AS_HELP_STRING([--with-ocaml-libdir],
666 [Specify install location for ocaml bindings (default is stdlib)])],
670 auto) with_ocaml_libdir="$withval" ;;
671 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
672 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
675 AC_ARG_WITH(c-include-dirs,
676 AS_HELP_STRING([--with-c-include-dirs],
677 [Colon separated list of directories clang will search for headers]),,
679 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
680 [Directories clang will search for headers])
682 AC_ARG_WITH(cxx-include-root,
683 AS_HELP_STRING([--with-cxx-include-root],
684 [Directory with the libstdc++ headers.]),,
686 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
687 [Directory with the libstdc++ headers.])
689 AC_ARG_WITH(cxx-include-arch,
690 AS_HELP_STRING([--with-cxx-include-arch],
691 [Architecture of the libstdc++ headers.]),,
693 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
694 [Arch the libstdc++ headers.])
696 AC_ARG_WITH(cxx-include-32bit-dir,
697 AS_HELP_STRING([--with-cxx-include-32bit-dir],
698 [32 bit multilib dir.]),,
700 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
701 [32 bit multilib directory.])
703 AC_ARG_WITH(cxx-include-64bit-dir,
704 AS_HELP_STRING([--with-cxx-include-64bit-dir],
705 [64 bit multilib directory.]),,
707 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
708 [64 bit multilib directory.])
710 dnl Allow linking of LLVM with GPLv3 binutils code.
711 AC_ARG_WITH(binutils-include,
712 AS_HELP_STRING([--with-binutils-include],
713 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
716 default) WITH_BINUTILS_INCDIR=default ;;
717 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
718 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
720 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
721 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
722 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
723 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
724 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
728 dnl --enable-libffi : check whether the user wants to turn off libffi:
729 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
730 --enable-libffi,[Check for the presence of libffi (default is NO)]),
731 [case "$enableval" in
732 yes) llvm_cv_enable_libffi="yes" ;;
733 no) llvm_cv_enable_libffi="no" ;;
734 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
736 llvm_cv_enable_libffi=no)
738 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
739 if test "$llvm_cv_os_type" = "Win32" ; then
745 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
746 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
747 --enable-llvmc-dynamic,
748 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
749 enableval=$llvmc_dynamic)
750 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
751 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
753 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
756 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
757 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
758 --enable-llvmc-dynamic-plugins,
759 [Enable dynamic LLVMC plugins (default is YES)]),,
761 if test ${enableval} = "yes" ; then
762 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
764 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
767 dnl===-----------------------------------------------------------------------===
769 dnl=== SECTION 4: Check for programs we need and that they are the right version
771 dnl===-----------------------------------------------------------------------===
773 dnl Check for compilation tools
781 dnl Check for the tools that the makefiles require
784 AC_PATH_PROG(CMP, [cmp], [cmp])
785 AC_PATH_PROG(CP, [cp], [cp])
786 AC_PATH_PROG(DATE, [date], [date])
787 AC_PATH_PROG(FIND, [find], [find])
788 AC_PATH_PROG(GREP, [grep], [grep])
789 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
790 AC_PATH_PROG(MV, [mv], [mv])
792 AC_CHECK_TOOL(AR, ar, false)
793 AC_PATH_PROG(RM, [rm], [rm])
794 AC_PATH_PROG(SED, [sed], [sed])
795 AC_PATH_PROG(TAR, [tar], [gtar])
796 AC_PATH_PROG(BINPWD,[pwd], [pwd])
798 dnl Looking for misc. graph plotting software
799 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
800 if test "$GRAPHVIZ" != "echo Graphviz" ; then
801 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
802 dnl If we're targeting for mingw we should emit windows paths, not msys
803 if test "$llvm_cv_os_type" = "MingW" ; then
804 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
806 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
807 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
809 AC_PATH_PROG(DOT, [dot], [echo dot])
810 if test "$DOT" != "echo dot" ; then
811 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
812 dnl If we're targeting for mingw we should emit windows paths, not msys
813 if test "$llvm_cv_os_type" = "MingW" ; then
814 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
816 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
817 [Define to path to dot program if found or 'echo dot' otherwise])
819 AC_PATH_PROG(FDP, [fdp], [echo fdp])
820 if test "$FDP" != "echo fdp" ; then
821 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
822 dnl If we're targeting for mingw we should emit windows paths, not msys
823 if test "$llvm_cv_os_type" = "MingW" ; then
824 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
826 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
827 [Define to path to fdp program if found or 'echo fdp' otherwise])
829 AC_PATH_PROG(NEATO, [neato], [echo neato])
830 if test "$NEATO" != "echo neato" ; then
831 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
832 dnl If we're targeting for mingw we should emit windows paths, not msys
833 if test "$llvm_cv_os_type" = "MingW" ; then
834 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
836 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
837 [Define to path to neato program if found or 'echo neato' otherwise])
839 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
840 if test "$TWOPI" != "echo twopi" ; then
841 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
842 dnl If we're targeting for mingw we should emit windows paths, not msys
843 if test "$llvm_cv_os_type" = "MingW" ; then
844 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
846 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
847 [Define to path to twopi program if found or 'echo twopi' otherwise])
849 AC_PATH_PROG(CIRCO, [circo], [echo circo])
850 if test "$CIRCO" != "echo circo" ; then
851 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
852 dnl If we're targeting for mingw we should emit windows paths, not msys
853 if test "$llvm_cv_os_type" = "MingW" ; then
854 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
856 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
857 [Define to path to circo program if found or 'echo circo' otherwise])
859 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
860 if test "$GV" != "echo gv" ; then
861 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
862 dnl If we're targeting for mingw we should emit windows paths, not msys
863 if test "$llvm_cv_os_type" = "MingW" ; then
864 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
866 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
867 [Define to path to gv program if found or 'echo gv' otherwise])
869 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
870 if test "$DOTTY" != "echo dotty" ; then
871 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
872 dnl If we're targeting for mingw we should emit windows paths, not msys
873 if test "$llvm_cv_os_type" = "MingW" ; then
874 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
876 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
877 [Define to path to dotty program if found or 'echo dotty' otherwise])
880 dnl Look for a sufficiently recent version of Perl.
881 LLVM_PROG_PERL([5.006])
883 if test x"$PERL" = xnone; then
884 AC_SUBST(HAVE_PERL,0)
885 AC_MSG_ERROR([perl is required but was not found, please install it])
887 AC_SUBST(HAVE_PERL,1)
890 dnl Find the install program
893 dnl Checks for documentation and testing tools that we can do without. If these
894 dnl are not found then they are set to "true" which always succeeds but does
895 dnl nothing. This just lets the build output show that we could have done
896 dnl something if the tool was available.
897 AC_PATH_PROG(BZIP2, [bzip2])
898 AC_PATH_PROG(DOXYGEN, [doxygen])
899 AC_PATH_PROG(GROFF, [groff])
900 AC_PATH_PROG(GZIP, [gzip])
901 AC_PATH_PROG(POD2HTML, [pod2html])
902 AC_PATH_PROG(POD2MAN, [pod2man])
903 AC_PATH_PROG(RUNTEST, [runtest])
905 AC_PATH_PROG(ZIP, [zip])
906 AC_PATH_PROGS(OCAMLC, [ocamlc])
907 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
908 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
909 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
910 AC_PATH_PROGS(GAS, [gas as])
912 dnl Determine whether the linker supports the -R option.
915 dnl Determine whether the linker supports the -export-dynamic option.
916 AC_LINK_EXPORT_DYNAMIC
918 dnl Check for libtool and the library that has dlopen function (which must come
919 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
924 if test "$WITH_LLVMGCCDIR" = "default" ; then
925 LLVMGCC="llvm-gcc${EXEEXT}"
926 LLVMGXX="llvm-g++${EXEEXT}"
927 LLVMGCCCOMMAND="$LLVMGCC"
928 LLVMGXXCOMMAND="$LLVMGXX"
929 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
930 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
931 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
932 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
934 if test -z "$LLVMGCC"; then
935 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
936 LLVMGCCCOMMAND="$LLVMGCC"
938 if test -z "$LLVMGXX"; then
939 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
940 LLVMGXXCOMMAND="$LLVMGXX"
943 AC_SUBST(LLVMGCC,$LLVMGCC)
944 AC_SUBST(LLVMGXX,$LLVMGXX)
945 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
946 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
950 AC_MSG_CHECKING([tool compatibility])
952 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
953 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
954 dnl to support those options.
955 dnl "icc" emits gcc signatures
956 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
968 if test "$GCC" != "yes" && test "$ICC" != "yes"
970 AC_MSG_ERROR([gcc|icc required but not found])
973 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
974 if test "$GXX" != "yes" && test "$IXX" != "yes"
976 AC_MSG_ERROR([g++|icc required but not found])
979 dnl Verify that GCC is version 3.0 or higher
980 if test "$GCC" = "yes"
982 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
983 #error Unsupported GCC version
985 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
988 dnl Check for GNU Make. We use its extensions, so don't build without it
989 if test -z "$llvm_cv_gnu_make_command"
991 AC_MSG_ERROR([GNU Make required but not found])
994 dnl Tool compatibility is okay if we make it here.
997 dnl Check optional compiler flags.
998 AC_MSG_CHECKING([optional compiler flags])
999 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1000 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1001 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1003 dnl===-----------------------------------------------------------------------===
1005 dnl=== SECTION 5: Check for libraries
1007 dnl===-----------------------------------------------------------------------===
1010 if test "$llvm_cv_os_type" = "MingW" ; then
1011 AC_CHECK_LIB(imagehlp, main)
1012 AC_CHECK_LIB(psapi, main)
1015 dnl dlopen() is required for plugin support.
1016 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1017 [Define if dlopen() is available on this platform.]),
1018 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1020 dnl libffi is optional; used to call external functions from the interpreter
1021 if test "$llvm_cv_enable_libffi" = "yes" ; then
1022 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1023 [Define if libffi is available on this platform.]),
1024 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1027 dnl mallinfo is optional; the code can compile (minus features) without it
1028 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1029 [Define if mallinfo() is available on this platform.]))
1031 dnl pthread locking functions are optional - but llvm will not be thread-safe
1033 if test "$ENABLE_THREADS" -eq 1 ; then
1034 AC_CHECK_LIB(pthread, pthread_mutex_init)
1035 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1036 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1037 [Have pthread_mutex_lock]))
1038 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1039 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1040 [Have pthread_rwlock_init]))
1041 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1042 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1043 [Have pthread_getspecific]))
1046 dnl Allow extra x86-disassembler library
1048 AS_HELP_STRING([--with-udis86=<path>],
1049 [Use udis86 external x86 disassembler library]),
1051 AC_SUBST(USE_UDIS86, [1])
1054 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1056 AC_CHECK_LIB(udis86, ud_init, [], [
1057 echo "Error! You need to have libudis86 around."
1061 AC_SUBST(USE_UDIS86, [0]))
1062 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1063 [Define if use udis86 library])
1065 dnl Allow OProfile support for JIT output.
1066 AC_ARG_WITH(oprofile,
1067 AS_HELP_STRING([--with-oprofile=<prefix>],
1068 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1070 AC_SUBST(USE_OPROFILE, [1])
1072 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1074 AC_SUBST(USE_OPROFILE, [0]) ;;
1075 *) llvm_cv_oppath="${withval}/lib/oprofile"
1076 CPPFLAGS="-I${withval}/include";;
1078 if test -n "$llvm_cv_oppath" ; then
1079 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1080 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1081 dnl libbfd is not included properly in libopagent in some Debian
1082 dnl versions. If libbfd isn't found at all, we assume opagent works
1084 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1085 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1086 echo "Error! You need to have libopagent around."
1089 AC_CHECK_HEADER([opagent.h], [], [
1090 echo "Error! You need to have opagent.h around."
1096 AC_SUBST(USE_OPROFILE, [0])
1098 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1099 [Define if we have the oprofile JIT-support library])
1101 dnl===-----------------------------------------------------------------------===
1103 dnl=== SECTION 6: Check for header files
1105 dnl===-----------------------------------------------------------------------===
1107 dnl First, use autoconf provided macros for specific headers that we need
1108 dnl We don't check for ancient stuff or things that are guaranteed to be there
1109 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1110 dnl Generally we're looking for POSIX headers.
1112 AC_HEADER_MMAP_ANONYMOUS
1118 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1119 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1120 AC_CHECK_HEADERS([utime.h windows.h])
1121 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1122 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1123 if test "$ENABLE_THREADS" -eq 1 ; then
1124 AC_CHECK_HEADERS(pthread.h,
1125 AC_SUBST(HAVE_PTHREAD, 1),
1126 AC_SUBST(HAVE_PTHREAD, 0))
1128 AC_SUBST(HAVE_PTHREAD, 0)
1131 dnl Try to find ffi.h.
1132 if test "$llvm_cv_enable_libffi" = "yes" ; then
1133 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1136 dnl===-----------------------------------------------------------------------===
1138 dnl=== SECTION 7: Check for types and structures
1140 dnl===-----------------------------------------------------------------------===
1145 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1147 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1148 AC_CHECK_TYPES([uint64_t],,
1149 AC_CHECK_TYPES([u_int64_t],,
1150 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1152 dnl===-----------------------------------------------------------------------===
1154 dnl=== SECTION 8: Check for specific functions needed
1156 dnl===-----------------------------------------------------------------------===
1158 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1159 AC_CHECK_FUNCS([powf fmodf strtof round ])
1160 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1161 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1162 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1163 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1164 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1165 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1169 dnl Check for variations in the Standard C++ library and STL. These macros are
1170 dnl provided by LLVM in the autoconf/m4 directory.
1174 dnl Check for mmap support.We also need to know if /dev/zero is required to
1175 dnl be opened for allocating RWX memory.
1176 dnl Make sure we aren't attempting to configure for an unknown system
1177 if test "$llvm_cv_platform_type" = "Unix" ; then
1180 AC_NEED_DEV_ZERO_FOR_MMAP
1182 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1184 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1186 if test "$ac_cv_func_mmap_file" = "no"
1188 AC_MSG_WARN([mmap() of files required but not found])
1192 dnl atomic builtins are required for threading support.
1193 AC_MSG_CHECKING(for GCC atomic builtins)
1197 volatile unsigned long val = 1;
1198 __sync_synchronize();
1199 __sync_val_compare_and_swap(&val, 1, 0);
1200 __sync_add_and_fetch(&val, 1);
1201 __sync_sub_and_fetch(&val, 1);
1206 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1208 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1209 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1212 dnl===-----------------------------------------------------------------------===
1214 dnl=== SECTION 9: Additional checks, variables, etc.
1216 dnl===-----------------------------------------------------------------------===
1218 dnl Handle 32-bit linux systems running a 64-bit kernel.
1219 dnl This has to come after section 4 because it invokes the compiler.
1220 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1222 if test "$llvm_cv_linux_mixed" = "yes"; then
1223 llvm_cv_target_arch="x86"
1228 dnl Check, whether __dso_handle is present
1229 AC_CHECK_FUNCS([__dso_handle])
1231 dnl See if the llvm-gcc executable can compile to LLVM assembly
1232 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1233 [llvm_cv_llvmgcc_sanity="no"
1234 if test -x "$LLVMGCC" ; then
1235 cp /dev/null conftest.c
1236 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1237 grep 'target datalayout =' > /dev/null 2>&1
1238 if test $? -eq 0 ; then
1239 llvm_cv_llvmgcc_sanity="yes"
1244 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1245 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1246 AC_MSG_CHECKING([llvm-gcc component support])
1247 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1248 AC_SUBST(LLVMCC1,$llvmcc1path)
1249 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1250 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1251 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1252 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1253 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
1254 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1255 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1256 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1257 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1258 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1259 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1260 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1264 dnl Propagate the shared library extension that the libltdl checks did to
1265 dnl the Makefiles so we can use it there too
1266 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1268 # Translate the various configuration directories and other basic
1269 # information into substitutions that will end up in Makefile.config.in
1270 # that these configured values can be used by the makefiles
1271 if test "${prefix}" = "NONE" ; then
1274 eval LLVM_PREFIX="${prefix}";
1275 eval LLVM_BINDIR="${prefix}/bin";
1276 eval LLVM_LIBDIR="${prefix}/lib";
1277 eval LLVM_DATADIR="${prefix}/share/llvm";
1278 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1279 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1280 eval LLVM_INCLUDEDIR="${prefix}/include";
1281 eval LLVM_INFODIR="${prefix}/info";
1282 eval LLVM_MANDIR="${prefix}/man";
1283 LLVM_CONFIGTIME=`date`
1284 AC_SUBST(LLVM_PREFIX)
1285 AC_SUBST(LLVM_BINDIR)
1286 AC_SUBST(LLVM_LIBDIR)
1287 AC_SUBST(LLVM_DATADIR)
1288 AC_SUBST(LLVM_DOCSDIR)
1289 AC_SUBST(LLVM_ETCDIR)
1290 AC_SUBST(LLVM_INCLUDEDIR)
1291 AC_SUBST(LLVM_INFODIR)
1292 AC_SUBST(LLVM_MANDIR)
1293 AC_SUBST(LLVM_CONFIGTIME)
1295 # Place the various directores into the config.h file as #defines so that we
1296 # can know about the installation paths within LLVM.
1297 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1298 [Installation prefix directory])
1299 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1300 [Installation directory for binary executables])
1301 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1302 [Installation directory for libraries])
1303 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1304 [Installation directory for data files])
1305 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1306 [Installation directory for documentation])
1307 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1308 [Installation directory for config files])
1309 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1310 [Installation directory for include files])
1311 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1312 [Installation directory for .info files])
1313 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1314 [Installation directory for man pages])
1315 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1316 [Time at which LLVM was configured])
1317 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1318 [Host triple we were built on])
1320 # Determine which bindings to build.
1321 if test "$BINDINGS_TO_BUILD" = auto ; then
1322 BINDINGS_TO_BUILD=""
1323 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1324 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1327 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1329 # This isn't really configurey, but it avoids having to repeat the list in
1331 AC_SUBST(ALL_BINDINGS,ocaml)
1333 # Do any work necessary to ensure that bindings have what they need.
1334 binding_prereqs_failed=0
1335 for a_binding in $BINDINGS_TO_BUILD ; do
1336 case "$a_binding" in
1338 if test "x$OCAMLC" = x ; then
1339 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1340 binding_prereqs_failed=1
1342 if test "x$OCAMLDEP" = x ; then
1343 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1344 binding_prereqs_failed=1
1346 if test "x$OCAMLOPT" = x ; then
1347 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1348 dnl ocamlopt is optional!
1350 if test "x$with_ocaml_libdir" != xauto ; then
1351 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1353 ocaml_stdlib="`"$OCAMLC" -where`"
1354 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1356 # ocaml stdlib is beneath our prefix; use stdlib
1357 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1359 # ocaml stdlib is outside our prefix; use libdir/ocaml
1360 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1366 if test "$binding_prereqs_failed" = 1 ; then
1367 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1370 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1371 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1373 dnl Determine linker rpath flag
1374 if test "$llvm_cv_link_use_r" = "yes" ; then
1381 dnl Determine linker rdynamic flag
1382 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1383 RDYNAMIC="-Wl,-export-dynamic"
1389 dnl===-----------------------------------------------------------------------===
1391 dnl=== SECTION 10: Specify the output files and generate it
1393 dnl===-----------------------------------------------------------------------===
1395 dnl Configure header files
1396 dnl WARNING: dnl If you add or remove any of the following config headers, then
1397 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1398 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1399 dnl files can be updated automatically when their *.in sources change.
1400 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1401 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1402 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1403 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1404 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1405 AC_CONFIG_HEADERS([include/llvm/System/DataTypes.h])
1407 dnl Configure the makefile's configuration data
1408 AC_CONFIG_FILES([Makefile.config])
1410 dnl Configure the RPM spec file for LLVM
1411 AC_CONFIG_FILES([llvm.spec])
1413 dnl Configure doxygen's configuration file
1414 AC_CONFIG_FILES([docs/doxygen.cfg])
1416 dnl Configure llvmc's Base plugin
1417 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1419 dnl Do the first stage of configuration for llvm-config.in.
1420 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1422 dnl Do special configuration of Makefiles
1423 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1424 AC_CONFIG_MAKEFILE(Makefile)
1425 AC_CONFIG_MAKEFILE(Makefile.common)
1426 AC_CONFIG_MAKEFILE(examples/Makefile)
1427 AC_CONFIG_MAKEFILE(lib/Makefile)
1428 AC_CONFIG_MAKEFILE(runtime/Makefile)
1429 AC_CONFIG_MAKEFILE(test/Makefile)
1430 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1431 AC_CONFIG_MAKEFILE(unittests/Makefile)
1432 AC_CONFIG_MAKEFILE(tools/Makefile)
1433 AC_CONFIG_MAKEFILE(utils/Makefile)
1434 AC_CONFIG_MAKEFILE(projects/Makefile)
1435 AC_CONFIG_MAKEFILE(bindings/Makefile)
1436 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1438 dnl Finally, crank out the output