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 SystemZ) 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_ASM_PRINTER macro uses for
537 # Targets.def, AsmPrinters.def, and AsmParsers.def.
539 LLVM_ENUM_ASM_PRINTERS=""
540 LLVM_ENUM_ASM_PARSERS=""
541 for target_to_build in $TARGETS_TO_BUILD; do
542 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
543 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
544 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
546 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
547 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
550 AC_SUBST(LLVM_ENUM_TARGETS)
551 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
552 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
554 dnl Prevent the CBackend from using printf("%a") for floating point so older
555 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
556 dnl can still compile the CBE's output
557 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
558 [Enable C Backend output with hex floating point via %a (default is YES)]),,
561 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
562 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
563 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
564 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
566 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
567 [Define if CBE is enabled for printf %a output])
569 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
570 AC_ARG_WITH(llvmgccdir,
571 AS_HELP_STRING([--with-llvmgccdir],
572 [Specify location of llvm-gcc install dir (default searches PATH)]),,
575 default) WITH_LLVMGCCDIR=default ;;
576 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
577 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
580 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
582 AS_HELP_STRING([--with-llvmgcc],
583 [Specify location of llvm-gcc driver (default searches PATH)]),
584 LLVMGCC=$with_llvmgcc
587 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
589 AS_HELP_STRING([--with-llvmgxx],
590 [Specify location of llvm-g++ driver (default searches PATH)]),
591 LLVMGXX=$with_llvmgxx
594 if test -n "$LLVMGCC"; then
595 LLVMGCCCOMMAND="$LLVMGCC"
598 if test -n "$LLVMGXX"; then
599 LLVMGXXCOMMAND="$LLVMGXX"
602 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
603 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
606 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
607 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
610 dnl Override the option to use for optimized builds.
611 AC_ARG_WITH(optimize-option,
612 AS_HELP_STRING([--with-optimize-option],
613 [Select the compiler options to use for optimized builds]),,
615 AC_MSG_CHECKING([optimization flags])
618 case "$llvm_cv_os_type" in
619 MingW) optimize_option=-O3 ;;
620 *) optimize_option=-O2 ;;
622 *) optimize_option="$withval" ;;
624 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
625 AC_MSG_RESULT([$optimize_option])
627 dnl Specify extra build options
628 AC_ARG_WITH(extra-options,
629 AS_HELP_STRING([--with-extra-options],
630 [Specify additional options to compile LLVM with]),,
633 default) EXTRA_OPTIONS= ;;
634 *) EXTRA_OPTIONS=$withval ;;
636 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
638 dnl Allow specific bindings to be specified for building (or not)
639 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
640 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
644 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
645 all ) BINDINGS_TO_BUILD="ocaml" ;;
646 none | no) BINDINGS_TO_BUILD="" ;;
647 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
649 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
650 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
656 dnl Allow the ocaml libdir to be overridden. This could go in a configure
657 dnl script for bindings/ocaml/configure, except that its auto value depends on
658 dnl OCAMLC, which is found here to support tests.
659 AC_ARG_WITH([ocaml-libdir],
660 [AS_HELP_STRING([--with-ocaml-libdir],
661 [Specify install location for ocaml bindings (default is stdlib)])],
665 auto) with_ocaml_libdir="$withval" ;;
666 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
667 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
670 AC_ARG_WITH(c-include-dir,
671 AS_HELP_STRING([--with-c-include-dirs],
672 [Colon separated list of directories clang will search for headers]),,
674 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
675 [Directories clang will search for headers])
677 dnl Allow linking of LLVM with GPLv3 binutils code.
678 AC_ARG_WITH(binutils-include,
679 AS_HELP_STRING([--with-binutils-include],
680 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
683 default) WITH_BINUTILS_INCDIR=default ;;
684 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
685 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
687 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
688 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
689 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
690 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
691 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
695 dnl --enable-libffi : check whether the user wants to turn off libffi:
696 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
697 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
700 yes) llvm_cv_enable_libffi="yes" ;;
701 no) llvm_cv_enable_libffi="no" ;;
702 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
705 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
706 if test "$llvm_cv_os_type" = "Win32" ; then
712 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
713 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
714 --enable-llvmc-dynamic,
715 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
716 enableval=$llvmc_dynamic)
717 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
718 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
720 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
723 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
724 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
725 --enable-llvmc-dynamic-plugins,
726 [Enable dynamic LLVMC plugins (default is YES)]),,
728 if test ${enableval} = "yes" ; then
729 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
731 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
734 dnl===-----------------------------------------------------------------------===
736 dnl=== SECTION 4: Check for programs we need and that they are the right version
738 dnl===-----------------------------------------------------------------------===
740 dnl Check for compilation tools
748 dnl Check for the tools that the makefiles require
751 AC_PATH_PROG(CMP, [cmp], [cmp])
752 AC_PATH_PROG(CP, [cp], [cp])
753 AC_PATH_PROG(DATE, [date], [date])
754 AC_PATH_PROG(FIND, [find], [find])
755 AC_PATH_PROG(GREP, [grep], [grep])
756 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
757 AC_PATH_PROG(MV, [mv], [mv])
759 AC_PATH_PROG(RM, [rm], [rm])
760 AC_PATH_PROG(SED, [sed], [sed])
761 AC_PATH_PROG(TAR, [tar], [gtar])
762 AC_PATH_PROG(BINPWD,[pwd], [pwd])
764 dnl Looking for misc. graph plotting software
765 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
766 if test "$GRAPHVIZ" != "echo Graphviz" ; then
767 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
768 dnl If we're targeting for mingw we should emit windows paths, not msys
769 if test "$llvm_cv_os_type" = "MingW" ; then
770 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
772 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
773 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
775 AC_PATH_PROG(DOT, [dot], [echo dot])
776 if test "$DOT" != "echo dot" ; then
777 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
778 dnl If we're targeting for mingw we should emit windows paths, not msys
779 if test "$llvm_cv_os_type" = "MingW" ; then
780 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
782 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
783 [Define to path to dot program if found or 'echo dot' otherwise])
785 AC_PATH_PROG(FDP, [fdp], [echo fdp])
786 if test "$FDP" != "echo fdp" ; then
787 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
788 dnl If we're targeting for mingw we should emit windows paths, not msys
789 if test "$llvm_cv_os_type" = "MingW" ; then
790 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
792 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
793 [Define to path to fdp program if found or 'echo fdp' otherwise])
795 AC_PATH_PROG(NEATO, [neato], [echo neato])
796 if test "$NEATO" != "echo neato" ; then
797 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
798 dnl If we're targeting for mingw we should emit windows paths, not msys
799 if test "$llvm_cv_os_type" = "MingW" ; then
800 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
802 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
803 [Define to path to neato program if found or 'echo neato' otherwise])
805 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
806 if test "$TWOPI" != "echo twopi" ; then
807 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
808 dnl If we're targeting for mingw we should emit windows paths, not msys
809 if test "$llvm_cv_os_type" = "MingW" ; then
810 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
812 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
813 [Define to path to twopi program if found or 'echo twopi' otherwise])
815 AC_PATH_PROG(CIRCO, [circo], [echo circo])
816 if test "$CIRCO" != "echo circo" ; then
817 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
818 dnl If we're targeting for mingw we should emit windows paths, not msys
819 if test "$llvm_cv_os_type" = "MingW" ; then
820 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
822 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
823 [Define to path to circo program if found or 'echo circo' otherwise])
825 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
826 if test "$GV" != "echo gv" ; then
827 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
828 dnl If we're targeting for mingw we should emit windows paths, not msys
829 if test "$llvm_cv_os_type" = "MingW" ; then
830 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
832 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
833 [Define to path to gv program if found or 'echo gv' otherwise])
835 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
836 if test "$DOTTY" != "echo dotty" ; then
837 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
838 dnl If we're targeting for mingw we should emit windows paths, not msys
839 if test "$llvm_cv_os_type" = "MingW" ; then
840 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
842 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
843 [Define to path to dotty program if found or 'echo dotty' otherwise])
846 dnl Look for a sufficiently recent version of Perl.
847 LLVM_PROG_PERL([5.006])
849 if test x"$PERL" = xnone; then
850 AC_SUBST(HAVE_PERL,0)
851 AC_MSG_ERROR([perl is required but was not found, please install it])
853 AC_SUBST(HAVE_PERL,1)
856 dnl Find the install program
859 dnl Checks for documentation and testing tools that we can do without. If these
860 dnl are not found then they are set to "true" which always succeeds but does
861 dnl nothing. This just lets the build output show that we could have done
862 dnl something if the tool was available.
863 AC_PATH_PROG(BZIP2, [bzip2])
864 AC_PATH_PROG(DOXYGEN, [doxygen])
865 AC_PATH_PROG(GROFF, [groff])
866 AC_PATH_PROG(GZIP, [gzip])
867 AC_PATH_PROG(POD2HTML, [pod2html])
868 AC_PATH_PROG(POD2MAN, [pod2man])
869 AC_PATH_PROG(RUNTEST, [runtest])
871 AC_PATH_PROG(ZIP, [zip])
872 AC_PATH_PROGS(OCAMLC, [ocamlc])
873 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
874 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
875 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
876 AC_PATH_PROGS(GAS, [gas as])
878 dnl Determine whether the linker supports the -R option.
881 dnl Determine whether the linker supports the -export-dynamic option.
882 AC_LINK_EXPORT_DYNAMIC
884 dnl Check for libtool and the library that has dlopen function (which must come
885 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
891 if test "$lt_cv_dlopen_self" = "yes" ; then
892 AC_DEFINE([CAN_DLOPEN_SELF],[1],
893 [Define if dlopen(0) will open the symbols of the program])
897 if test "$WITH_LLVMGCCDIR" = "default" ; then
898 LLVMGCC="llvm-gcc${EXEEXT}"
899 LLVMGXX="llvm-g++${EXEEXT}"
900 LLVMGCCCOMMAND="$LLVMGCC"
901 LLVMGXXCOMMAND="$LLVMGXX"
902 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
903 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
904 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
905 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
907 if test -z "$LLVMGCC"; then
908 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
909 LLVMGCCCOMMAND="$LLVMGCC"
911 if test -z "$LLVMGXX"; then
912 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
913 LLVMGXXCOMMAND="$LLVMGXX"
916 AC_SUBST(LLVMGCC,$LLVMGCC)
917 AC_SUBST(LLVMGXX,$LLVMGXX)
918 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
919 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
923 AC_MSG_CHECKING([tool compatibility])
925 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
926 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
927 dnl to support those options.
928 dnl "icc" emits gcc signatures
929 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
941 if test "$GCC" != "yes" && test "$ICC" != "yes"
943 AC_MSG_ERROR([gcc|icc required but not found])
946 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
947 if test "$GXX" != "yes" && test "$IXX" != "yes"
949 AC_MSG_ERROR([g++|icc required but not found])
952 dnl Verify that GCC is version 3.0 or higher
953 if test "$GCC" = "yes"
955 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
956 #error Unsupported GCC version
958 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
961 dnl Check for GNU Make. We use its extensions, so don't build without it
962 if test -z "$llvm_cv_gnu_make_command"
964 AC_MSG_ERROR([GNU Make required but not found])
967 dnl Tool compatibility is okay if we make it here.
970 dnl Check optional compiler flags.
971 AC_MSG_CHECKING([optional compiler flags])
972 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
973 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
974 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
976 dnl===-----------------------------------------------------------------------===
978 dnl=== SECTION 5: Check for libraries
980 dnl===-----------------------------------------------------------------------===
983 if test "$llvm_cv_os_type" = "MingW" ; then
984 AC_CHECK_LIB(imagehlp, main)
985 AC_CHECK_LIB(psapi, main)
988 dnl dlopen() is required for plugin support.
989 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
990 [Define if dlopen() is available on this platform.]),
991 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
993 dnl libffi is optional; used to call external functions from the interpreter
994 if test "$llvm_cv_enable_libffi" = "yes" ; then
995 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
996 [Define if libffi is available on this platform.]),
997 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
1000 dnl mallinfo is optional; the code can compile (minus features) without it
1001 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1002 [Define if mallinfo() is available on this platform.]))
1004 dnl pthread locking functions are optional - but llvm will not be thread-safe
1006 if test "$ENABLE_THREADS" -eq 1 ; then
1007 AC_CHECK_LIB(pthread, pthread_mutex_init)
1008 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1009 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1010 [Have pthread_mutex_lock]))
1011 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1012 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1013 [Have pthread_rwlock_init]))
1014 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1015 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1016 [Have pthread_getspecific]))
1019 dnl Allow extra x86-disassembler library
1021 AS_HELP_STRING([--with-udis86=<path>],
1022 [Use udis86 external x86 disassembler library]),
1024 AC_SUBST(USE_UDIS86, [1])
1027 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1029 AC_CHECK_LIB(udis86, ud_init, [], [
1030 echo "Error! You need to have libudis86 around."
1034 AC_SUBST(USE_UDIS86, [0]))
1035 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1036 [Define if use udis86 library])
1038 dnl Allow OProfile support for JIT output.
1039 AC_ARG_WITH(oprofile,
1040 AS_HELP_STRING([--with-oprofile=<prefix>],
1041 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1043 AC_SUBST(USE_OPROFILE, [1])
1045 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1047 AC_SUBST(USE_OPROFILE, [0]) ;;
1048 *) llvm_cv_oppath="${withval}/lib/oprofile"
1049 CPPFLAGS="-I${withval}/include";;
1051 if test -n "$llvm_cv_oppath" ; then
1052 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1053 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1054 dnl libbfd is not included properly in libopagent in some Debian
1055 dnl versions. If libbfd isn't found at all, we assume opagent works
1057 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1058 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1059 echo "Error! You need to have libopagent around."
1062 AC_CHECK_HEADER([opagent.h], [], [
1063 echo "Error! You need to have opagent.h around."
1069 AC_SUBST(USE_OPROFILE, [0])
1071 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1072 [Define if we have the oprofile JIT-support library])
1074 dnl===-----------------------------------------------------------------------===
1076 dnl=== SECTION 6: Check for header files
1078 dnl===-----------------------------------------------------------------------===
1080 dnl First, use autoconf provided macros for specific headers that we need
1081 dnl We don't check for ancient stuff or things that are guaranteed to be there
1082 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1083 dnl Generally we're looking for POSIX headers.
1085 AC_HEADER_MMAP_ANONYMOUS
1091 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1092 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1093 AC_CHECK_HEADERS([utime.h windows.h])
1094 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1095 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1096 if test "$ENABLE_THREADS" -eq 1 ; then
1097 AC_CHECK_HEADERS(pthread.h,
1098 AC_SUBST(HAVE_PTHREAD, 1),
1099 AC_SUBST(HAVE_PTHREAD, 0))
1101 AC_SUBST(HAVE_PTHREAD, 0)
1104 dnl Try to find ffi.h.
1105 if test "$llvm_cv_enable_libffi" = "yes" ; then
1106 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1109 dnl===-----------------------------------------------------------------------===
1111 dnl=== SECTION 7: Check for types and structures
1113 dnl===-----------------------------------------------------------------------===
1120 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1121 AC_CHECK_TYPES([uint64_t],,
1122 AC_CHECK_TYPES([u_int64_t],,
1123 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1125 dnl===-----------------------------------------------------------------------===
1127 dnl=== SECTION 8: Check for specific functions needed
1129 dnl===-----------------------------------------------------------------------===
1131 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1132 AC_CHECK_FUNCS([powf fmodf strtof round ])
1133 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1134 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1135 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1136 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1137 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1138 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1140 dnl FIXME: This is no longer used, please remove (but test)!!!
1144 dnl Check for variations in the Standard C++ library and STL. These macros are
1145 dnl provided by LLVM in the autoconf/m4 directory.
1146 AC_CXX_HAVE_STD_ITERATOR
1147 AC_CXX_HAVE_BI_ITERATOR
1148 AC_CXX_HAVE_FWD_ITERATOR
1152 dnl Check for mmap support.We also need to know if /dev/zero is required to
1153 dnl be opened for allocating RWX memory.
1154 dnl Make sure we aren't attempting to configure for an unknown system
1155 if test "$llvm_cv_platform_type" = "Unix" ; then
1158 AC_NEED_DEV_ZERO_FOR_MMAP
1160 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1162 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1164 if test "$ac_cv_func_mmap_file" = "no"
1166 AC_MSG_WARN([mmap() of files required but not found])
1170 dnl atomic builtins are required for threading support.
1171 AC_MSG_CHECKING(for GCC atomic builtins)
1175 volatile unsigned long val = 1;
1176 __sync_synchronize();
1177 __sync_val_compare_and_swap(&val, 1, 0);
1178 __sync_add_and_fetch(&val, 1);
1179 __sync_sub_and_fetch(&val, 1);
1184 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1186 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1187 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1190 dnl===-----------------------------------------------------------------------===
1192 dnl=== SECTION 9: Additional checks, variables, etc.
1194 dnl===-----------------------------------------------------------------------===
1196 dnl Handle 32-bit linux systems running a 64-bit kernel.
1197 dnl This has to come after section 4 because it invokes the compiler.
1198 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1200 if test "$llvm_cv_linux_mixed" = "yes"; then
1201 llvm_cv_target_arch="x86"
1206 dnl Check, whether __dso_handle is present
1207 AC_CHECK_FUNCS([__dso_handle])
1209 dnl See if the llvm-gcc executable can compile to LLVM assembly
1210 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1211 [llvm_cv_llvmgcc_sanity="no"
1212 if test -x "$LLVMGCC" ; then
1213 cp /dev/null conftest.c
1214 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1215 grep 'target datalayout =' > /dev/null 2>&1
1216 if test $? -eq 0 ; then
1217 llvm_cv_llvmgcc_sanity="yes"
1222 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1223 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1224 AC_MSG_CHECKING([llvm-gcc component support])
1225 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1226 AC_SUBST(LLVMCC1,$llvmcc1path)
1227 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1228 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1229 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1230 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1231 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
1232 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1233 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1234 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1235 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1236 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1237 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1238 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1242 dnl Propagate the shared library extension that the libltdl checks did to
1243 dnl the Makefiles so we can use it there too
1244 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1246 # Translate the various configuration directories and other basic
1247 # information into substitutions that will end up in Makefile.config.in
1248 # that these configured values can be used by the makefiles
1249 if test "${prefix}" = "NONE" ; then
1252 eval LLVM_PREFIX="${prefix}";
1253 eval LLVM_BINDIR="${prefix}/bin";
1254 eval LLVM_LIBDIR="${prefix}/lib";
1255 eval LLVM_DATADIR="${prefix}/share/llvm";
1256 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1257 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1258 eval LLVM_INCLUDEDIR="${prefix}/include";
1259 eval LLVM_INFODIR="${prefix}/info";
1260 eval LLVM_MANDIR="${prefix}/man";
1261 LLVM_CONFIGTIME=`date`
1262 AC_SUBST(LLVM_PREFIX)
1263 AC_SUBST(LLVM_BINDIR)
1264 AC_SUBST(LLVM_LIBDIR)
1265 AC_SUBST(LLVM_DATADIR)
1266 AC_SUBST(LLVM_DOCSDIR)
1267 AC_SUBST(LLVM_ETCDIR)
1268 AC_SUBST(LLVM_INCLUDEDIR)
1269 AC_SUBST(LLVM_INFODIR)
1270 AC_SUBST(LLVM_MANDIR)
1271 AC_SUBST(LLVM_CONFIGTIME)
1273 # Place the various directores into the config.h file as #defines so that we
1274 # can know about the installation paths within LLVM.
1275 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1276 [Installation prefix directory])
1277 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1278 [Installation directory for binary executables])
1279 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1280 [Installation directory for libraries])
1281 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1282 [Installation directory for data files])
1283 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1284 [Installation directory for documentation])
1285 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1286 [Installation directory for config files])
1287 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1288 [Installation directory for include files])
1289 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1290 [Installation directory for .info files])
1291 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1292 [Installation directory for man pages])
1293 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1294 [Time at which LLVM was configured])
1295 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1296 [Host triple we were built on])
1298 # Determine which bindings to build.
1299 if test "$BINDINGS_TO_BUILD" = auto ; then
1300 BINDINGS_TO_BUILD=""
1301 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1302 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1305 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1307 # This isn't really configurey, but it avoids having to repeat the list in
1309 AC_SUBST(ALL_BINDINGS,ocaml)
1311 # Do any work necessary to ensure that bindings have what they need.
1312 binding_prereqs_failed=0
1313 for a_binding in $BINDINGS_TO_BUILD ; do
1314 case "$a_binding" in
1316 if test "x$OCAMLC" = x ; then
1317 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1318 binding_prereqs_failed=1
1320 if test "x$OCAMLDEP" = x ; then
1321 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1322 binding_prereqs_failed=1
1324 if test "x$OCAMLOPT" = x ; then
1325 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1326 dnl ocamlopt is optional!
1328 if test "x$with_ocaml_libdir" != xauto ; then
1329 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1331 ocaml_stdlib="`"$OCAMLC" -where`"
1332 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1334 # ocaml stdlib is beneath our prefix; use stdlib
1335 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1337 # ocaml stdlib is outside our prefix; use libdir/ocaml
1338 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1344 if test "$binding_prereqs_failed" = 1 ; then
1345 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1348 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1349 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1351 dnl Determine linker rpath flag
1352 if test "$llvm_cv_link_use_r" = "yes" ; then
1359 dnl Determine linker rdynamic flag
1360 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1361 RDYNAMIC="-Wl,-export-dynamic"
1367 dnl===-----------------------------------------------------------------------===
1369 dnl=== SECTION 10: Specify the output files and generate it
1371 dnl===-----------------------------------------------------------------------===
1373 dnl Configure header files
1374 dnl WARNING: dnl If you add or remove any of the following config headers, then
1375 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1376 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1377 dnl files can be updated automatically when their *.in sources change.
1378 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1379 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1380 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1381 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1382 AC_CONFIG_HEADERS([include/llvm/System/DataTypes.h])
1384 dnl Configure the makefile's configuration data
1385 AC_CONFIG_FILES([Makefile.config])
1387 dnl Configure the RPM spec file for LLVM
1388 AC_CONFIG_FILES([llvm.spec])
1390 dnl Configure doxygen's configuration file
1391 AC_CONFIG_FILES([docs/doxygen.cfg])
1393 dnl Configure llvmc's Base plugin
1394 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1396 dnl Do the first stage of configuration for llvm-config.in.
1397 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1399 dnl Do special configuration of Makefiles
1400 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1401 AC_CONFIG_MAKEFILE(Makefile)
1402 AC_CONFIG_MAKEFILE(Makefile.common)
1403 AC_CONFIG_MAKEFILE(examples/Makefile)
1404 AC_CONFIG_MAKEFILE(lib/Makefile)
1405 AC_CONFIG_MAKEFILE(runtime/Makefile)
1406 AC_CONFIG_MAKEFILE(test/Makefile)
1407 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1408 AC_CONFIG_MAKEFILE(unittests/Makefile)
1409 AC_CONFIG_MAKEFILE(tools/Makefile)
1410 AC_CONFIG_MAKEFILE(utils/Makefile)
1411 AC_CONFIG_MAKEFILE(projects/Makefile)
1412 AC_CONFIG_MAKEFILE(bindings/Makefile)
1413 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1415 dnl Finally, crank out the output