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="$withval" ;;
667 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
670 dnl Allow linking of LLVM with GPLv3 binutils code.
671 AC_ARG_WITH(binutils-include,
672 AS_HELP_STRING([--with-binutils-include],
673 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
676 default) WITH_BINUTILS_INCDIR=default ;;
677 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
678 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
680 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
681 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
682 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
683 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
684 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
688 dnl --enable-libffi : check whether the user wants to turn off libffi:
689 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
690 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
693 yes) llvm_cv_enable_libffi="yes" ;;
694 no) llvm_cv_enable_libffi="no" ;;
695 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
698 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
699 if test "$llvm_cv_os_type" = "Win32" ; then
705 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
706 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
707 --enable-llvmc-dynamic,
708 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
709 enableval=$llvmc_dynamic)
710 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
711 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
713 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
716 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
717 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
718 --enable-llvmc-dynamic-plugins,
719 [Enable dynamic LLVMC plugins (default is YES)]),,
721 if test ${enableval} = "yes" ; then
722 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
724 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
727 dnl===-----------------------------------------------------------------------===
729 dnl=== SECTION 4: Check for programs we need and that they are the right version
731 dnl===-----------------------------------------------------------------------===
733 dnl Check for compilation tools
741 dnl Check for the tools that the makefiles require
744 AC_PATH_PROG(CMP, [cmp], [cmp])
745 AC_PATH_PROG(CP, [cp], [cp])
746 AC_PATH_PROG(DATE, [date], [date])
747 AC_PATH_PROG(FIND, [find], [find])
748 AC_PATH_PROG(GREP, [grep], [grep])
749 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
750 AC_PATH_PROG(MV, [mv], [mv])
752 AC_PATH_PROG(RM, [rm], [rm])
753 AC_PATH_PROG(SED, [sed], [sed])
754 AC_PATH_PROG(TAR, [tar], [gtar])
755 AC_PATH_PROG(BINPWD,[pwd], [pwd])
757 dnl Looking for misc. graph plotting software
758 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
759 if test "$GRAPHVIZ" != "echo Graphviz" ; then
760 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
761 dnl If we're targeting for mingw we should emit windows paths, not msys
762 if test "$llvm_cv_os_type" = "MingW" ; then
763 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
765 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
766 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
768 AC_PATH_PROG(DOT, [dot], [echo dot])
769 if test "$DOT" != "echo dot" ; then
770 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
771 dnl If we're targeting for mingw we should emit windows paths, not msys
772 if test "$llvm_cv_os_type" = "MingW" ; then
773 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
775 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
776 [Define to path to dot program if found or 'echo dot' otherwise])
778 AC_PATH_PROG(FDP, [fdp], [echo fdp])
779 if test "$FDP" != "echo fdp" ; then
780 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
781 dnl If we're targeting for mingw we should emit windows paths, not msys
782 if test "$llvm_cv_os_type" = "MingW" ; then
783 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
785 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
786 [Define to path to fdp program if found or 'echo fdp' otherwise])
788 AC_PATH_PROG(NEATO, [neato], [echo neato])
789 if test "$NEATO" != "echo neato" ; then
790 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
791 dnl If we're targeting for mingw we should emit windows paths, not msys
792 if test "$llvm_cv_os_type" = "MingW" ; then
793 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
795 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
796 [Define to path to neato program if found or 'echo neato' otherwise])
798 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
799 if test "$TWOPI" != "echo twopi" ; then
800 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
801 dnl If we're targeting for mingw we should emit windows paths, not msys
802 if test "$llvm_cv_os_type" = "MingW" ; then
803 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
805 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
806 [Define to path to twopi program if found or 'echo twopi' otherwise])
808 AC_PATH_PROG(CIRCO, [circo], [echo circo])
809 if test "$CIRCO" != "echo circo" ; then
810 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
811 dnl If we're targeting for mingw we should emit windows paths, not msys
812 if test "$llvm_cv_os_type" = "MingW" ; then
813 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
815 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
816 [Define to path to circo program if found or 'echo circo' otherwise])
818 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
819 if test "$GV" != "echo gv" ; then
820 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
821 dnl If we're targeting for mingw we should emit windows paths, not msys
822 if test "$llvm_cv_os_type" = "MingW" ; then
823 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
825 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
826 [Define to path to gv program if found or 'echo gv' otherwise])
828 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
829 if test "$DOTTY" != "echo dotty" ; then
830 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
831 dnl If we're targeting for mingw we should emit windows paths, not msys
832 if test "$llvm_cv_os_type" = "MingW" ; then
833 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
835 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
836 [Define to path to dotty program if found or 'echo dotty' otherwise])
839 dnl Look for a sufficiently recent version of Perl.
840 LLVM_PROG_PERL([5.006])
842 if test x"$PERL" = xnone; then
843 AC_SUBST(HAVE_PERL,0)
844 AC_MSG_ERROR([perl is required but was not found, please install it])
846 AC_SUBST(HAVE_PERL,1)
849 dnl Find the install program
852 dnl Checks for documentation and testing tools that we can do without. If these
853 dnl are not found then they are set to "true" which always succeeds but does
854 dnl nothing. This just lets the build output show that we could have done
855 dnl something if the tool was available.
856 AC_PATH_PROG(BZIP2, [bzip2])
857 AC_PATH_PROG(DOXYGEN, [doxygen])
858 AC_PATH_PROG(GROFF, [groff])
859 AC_PATH_PROG(GZIP, [gzip])
860 AC_PATH_PROG(POD2HTML, [pod2html])
861 AC_PATH_PROG(POD2MAN, [pod2man])
862 AC_PATH_PROG(RUNTEST, [runtest])
864 AC_PATH_PROG(ZIP, [zip])
865 AC_PATH_PROGS(OCAMLC, [ocamlc])
866 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
867 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
868 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
869 AC_PATH_PROGS(GAS, [gas as])
871 dnl Determine whether the linker supports the -R option.
874 dnl Determine whether the linker supports the -export-dynamic option.
875 AC_LINK_EXPORT_DYNAMIC
877 dnl Check for libtool and the library that has dlopen function (which must come
878 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
884 if test "$lt_cv_dlopen_self" = "yes" ; then
885 AC_DEFINE([CAN_DLOPEN_SELF],[1],
886 [Define if dlopen(0) will open the symbols of the program])
890 if test "$WITH_LLVMGCCDIR" = "default" ; then
891 LLVMGCC="llvm-gcc${EXEEXT}"
892 LLVMGXX="llvm-g++${EXEEXT}"
893 LLVMGCCCOMMAND="$LLVMGCC"
894 LLVMGXXCOMMAND="$LLVMGXX"
895 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
896 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
897 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
898 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
900 if test -z "$LLVMGCC"; then
901 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
902 LLVMGCCCOMMAND="$LLVMGCC"
904 if test -z "$LLVMGXX"; then
905 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
906 LLVMGXXCOMMAND="$LLVMGXX"
909 AC_SUBST(LLVMGCC,$LLVMGCC)
910 AC_SUBST(LLVMGXX,$LLVMGXX)
911 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
912 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
916 AC_MSG_CHECKING([tool compatibility])
918 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
919 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
920 dnl to support those options.
921 dnl "icc" emits gcc signatures
922 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
934 if test "$GCC" != "yes" && test "$ICC" != "yes"
936 AC_MSG_ERROR([gcc|icc required but not found])
939 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
940 if test "$GXX" != "yes" && test "$IXX" != "yes"
942 AC_MSG_ERROR([g++|icc required but not found])
945 dnl Verify that GCC is version 3.0 or higher
946 if test "$GCC" = "yes"
948 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
949 #error Unsupported GCC version
951 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
954 dnl Check for GNU Make. We use its extensions, so don't build without it
955 if test -z "$llvm_cv_gnu_make_command"
957 AC_MSG_ERROR([GNU Make required but not found])
960 dnl Tool compatibility is okay if we make it here.
963 dnl Check optional compiler flags.
964 AC_MSG_CHECKING([optional compiler flags])
965 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
966 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
967 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
969 dnl===-----------------------------------------------------------------------===
971 dnl=== SECTION 5: Check for libraries
973 dnl===-----------------------------------------------------------------------===
976 if test "$llvm_cv_os_type" = "MingW" ; then
977 AC_CHECK_LIB(imagehlp, main)
978 AC_CHECK_LIB(psapi, main)
981 dnl dlopen() is required for plugin support.
982 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
983 [Define if dlopen() is available on this platform.]),
984 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
986 dnl libffi is optional; used to call external functions from the interpreter
987 if test "$llvm_cv_enable_libffi" = "yes" ; then
988 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
989 [Define if libffi is available on this platform.]),
990 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
993 dnl mallinfo is optional; the code can compile (minus features) without it
994 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
995 [Define if mallinfo() is available on this platform.]))
997 dnl pthread locking functions are optional - but llvm will not be thread-safe
999 if test "$ENABLE_THREADS" -eq 1 ; then
1000 AC_CHECK_LIB(pthread, pthread_mutex_init)
1001 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1002 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1003 [Have pthread_mutex_lock]))
1004 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1005 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1006 [Have pthread_rwlock_init]))
1007 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1008 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1009 [Have pthread_getspecific]))
1012 dnl Allow extra x86-disassembler library
1014 AS_HELP_STRING([--with-udis86=<path>],
1015 [Use udis86 external x86 disassembler library]),
1017 AC_SUBST(USE_UDIS86, [1])
1020 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1022 AC_CHECK_LIB(udis86, ud_init, [], [
1023 echo "Error! You need to have libudis86 around."
1027 AC_SUBST(USE_UDIS86, [0]))
1028 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1029 [Define if use udis86 library])
1031 dnl Allow OProfile support for JIT output.
1032 AC_ARG_WITH(oprofile,
1033 AS_HELP_STRING([--with-oprofile=<prefix>],
1034 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1036 AC_SUBST(USE_OPROFILE, [1])
1038 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1040 AC_SUBST(USE_OPROFILE, [0]) ;;
1041 *) llvm_cv_oppath="${withval}/lib/oprofile"
1042 CPPFLAGS="-I${withval}/include";;
1044 if test -n "$llvm_cv_oppath" ; then
1045 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1046 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1047 dnl libbfd is not included properly in libopagent in some Debian
1048 dnl versions. If libbfd isn't found at all, we assume opagent works
1050 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1051 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1052 echo "Error! You need to have libopagent around."
1055 AC_CHECK_HEADER([opagent.h], [], [
1056 echo "Error! You need to have opagent.h around."
1062 AC_SUBST(USE_OPROFILE, [0])
1064 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1065 [Define if we have the oprofile JIT-support library])
1067 dnl===-----------------------------------------------------------------------===
1069 dnl=== SECTION 6: Check for header files
1071 dnl===-----------------------------------------------------------------------===
1073 dnl First, use autoconf provided macros for specific headers that we need
1074 dnl We don't check for ancient stuff or things that are guaranteed to be there
1075 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1076 dnl Generally we're looking for POSIX headers.
1078 AC_HEADER_MMAP_ANONYMOUS
1084 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1085 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1086 AC_CHECK_HEADERS([utime.h windows.h])
1087 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1088 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1089 if test "$ENABLE_THREADS" -eq 1 ; then
1090 AC_CHECK_HEADERS(pthread.h,
1091 AC_SUBST(HAVE_PTHREAD, 1),
1092 AC_SUBST(HAVE_PTHREAD, 0))
1094 AC_SUBST(HAVE_PTHREAD, 0)
1097 dnl Try to find ffi.h.
1098 if test "$llvm_cv_enable_libffi" = "yes" ; then
1099 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1102 dnl===-----------------------------------------------------------------------===
1104 dnl=== SECTION 7: Check for types and structures
1106 dnl===-----------------------------------------------------------------------===
1113 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1114 AC_CHECK_TYPES([uint64_t],,
1115 AC_CHECK_TYPES([u_int64_t],,
1116 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1118 dnl===-----------------------------------------------------------------------===
1120 dnl=== SECTION 8: Check for specific functions needed
1122 dnl===-----------------------------------------------------------------------===
1124 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1125 AC_CHECK_FUNCS([powf fmodf strtof round ])
1126 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1127 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1128 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1129 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1130 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1131 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1133 dnl FIXME: This is no longer used, please remove (but test)!!!
1137 dnl Check for variations in the Standard C++ library and STL. These macros are
1138 dnl provided by LLVM in the autoconf/m4 directory.
1139 AC_CXX_HAVE_STD_ITERATOR
1140 AC_CXX_HAVE_BI_ITERATOR
1141 AC_CXX_HAVE_FWD_ITERATOR
1145 dnl Check for mmap support.We also need to know if /dev/zero is required to
1146 dnl be opened for allocating RWX memory.
1147 dnl Make sure we aren't attempting to configure for an unknown system
1148 if test "$llvm_cv_platform_type" = "Unix" ; then
1151 AC_NEED_DEV_ZERO_FOR_MMAP
1153 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1155 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1157 if test "$ac_cv_func_mmap_file" = "no"
1159 AC_MSG_WARN([mmap() of files required but not found])
1163 dnl atomic builtins are required for threading support.
1164 AC_MSG_CHECKING(for GCC atomic builtins)
1168 volatile unsigned long val = 1;
1169 __sync_synchronize();
1170 __sync_val_compare_and_swap(&val, 1, 0);
1171 __sync_add_and_fetch(&val, 1);
1172 __sync_sub_and_fetch(&val, 1);
1177 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1179 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1180 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1183 dnl===-----------------------------------------------------------------------===
1185 dnl=== SECTION 9: Additional checks, variables, etc.
1187 dnl===-----------------------------------------------------------------------===
1189 dnl Handle 32-bit linux systems running a 64-bit kernel.
1190 dnl This has to come after section 4 because it invokes the compiler.
1191 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1193 if test "$llvm_cv_linux_mixed" = "yes"; then
1194 llvm_cv_target_arch="x86"
1199 dnl Check, whether __dso_handle is present
1200 AC_CHECK_FUNCS([__dso_handle])
1202 dnl See if the llvm-gcc executable can compile to LLVM assembly
1203 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1204 [llvm_cv_llvmgcc_sanity="no"
1205 if test -x "$LLVMGCC" ; then
1206 cp /dev/null conftest.c
1207 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1208 grep 'target datalayout =' > /dev/null 2>&1
1209 if test $? -eq 0 ; then
1210 llvm_cv_llvmgcc_sanity="yes"
1215 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1216 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1217 AC_MSG_CHECKING([llvm-gcc component support])
1218 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1219 AC_SUBST(LLVMCC1,$llvmcc1path)
1220 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1221 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1222 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1223 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1224 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
1225 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1226 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1227 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1228 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1229 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1230 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1231 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1235 dnl Propagate the shared library extension that the libltdl checks did to
1236 dnl the Makefiles so we can use it there too
1237 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1239 # Translate the various configuration directories and other basic
1240 # information into substitutions that will end up in Makefile.config.in
1241 # that these configured values can be used by the makefiles
1242 if test "${prefix}" = "NONE" ; then
1245 eval LLVM_PREFIX="${prefix}";
1246 eval LLVM_BINDIR="${prefix}/bin";
1247 eval LLVM_LIBDIR="${prefix}/lib";
1248 eval LLVM_DATADIR="${prefix}/share/llvm";
1249 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1250 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1251 eval LLVM_INCLUDEDIR="${prefix}/include";
1252 eval LLVM_INFODIR="${prefix}/info";
1253 eval LLVM_MANDIR="${prefix}/man";
1254 LLVM_CONFIGTIME=`date`
1255 AC_SUBST(LLVM_PREFIX)
1256 AC_SUBST(LLVM_BINDIR)
1257 AC_SUBST(LLVM_LIBDIR)
1258 AC_SUBST(LLVM_DATADIR)
1259 AC_SUBST(LLVM_DOCSDIR)
1260 AC_SUBST(LLVM_ETCDIR)
1261 AC_SUBST(LLVM_INCLUDEDIR)
1262 AC_SUBST(LLVM_INFODIR)
1263 AC_SUBST(LLVM_MANDIR)
1264 AC_SUBST(LLVM_CONFIGTIME)
1266 # Place the various directores into the config.h file as #defines so that we
1267 # can know about the installation paths within LLVM.
1268 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1269 [Installation prefix directory])
1270 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1271 [Installation directory for binary executables])
1272 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1273 [Installation directory for libraries])
1274 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1275 [Installation directory for data files])
1276 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1277 [Installation directory for documentation])
1278 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1279 [Installation directory for config files])
1280 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1281 [Installation directory for include files])
1282 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1283 [Installation directory for .info files])
1284 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1285 [Installation directory for man pages])
1286 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1287 [Time at which LLVM was configured])
1288 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1289 [Host triple we were built on])
1291 # Determine which bindings to build.
1292 if test "$BINDINGS_TO_BUILD" = auto ; then
1293 BINDINGS_TO_BUILD=""
1294 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1295 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1298 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1300 # This isn't really configurey, but it avoids having to repeat the list in
1302 AC_SUBST(ALL_BINDINGS,ocaml)
1304 # Do any work necessary to ensure that bindings have what they need.
1305 binding_prereqs_failed=0
1306 for a_binding in $BINDINGS_TO_BUILD ; do
1307 case "$a_binding" in
1309 if test "x$OCAMLC" = x ; then
1310 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1311 binding_prereqs_failed=1
1313 if test "x$OCAMLDEP" = x ; then
1314 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1315 binding_prereqs_failed=1
1317 if test "x$OCAMLOPT" = x ; then
1318 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1319 dnl ocamlopt is optional!
1321 if test "x$with_ocaml_libdir" != xauto ; then
1322 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1324 ocaml_stdlib="`"$OCAMLC" -where`"
1325 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1327 # ocaml stdlib is beneath our prefix; use stdlib
1328 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1330 # ocaml stdlib is outside our prefix; use libdir/ocaml
1331 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1337 if test "$binding_prereqs_failed" = 1 ; then
1338 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1341 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1342 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1344 dnl Determine linker rpath flag
1345 if test "$llvm_cv_link_use_r" = "yes" ; then
1352 dnl Determine linker rdynamic flag
1353 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1354 RDYNAMIC="-Wl,-export-dynamic"
1360 dnl===-----------------------------------------------------------------------===
1362 dnl=== SECTION 10: Specify the output files and generate it
1364 dnl===-----------------------------------------------------------------------===
1366 dnl Configure header files
1367 dnl WARNING: dnl If you add or remove any of the following config headers, then
1368 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1369 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1370 dnl files can be updated automatically when their *.in sources change.
1371 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1372 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1373 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1374 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1375 AC_CONFIG_HEADERS([include/llvm/System/DataTypes.h])
1377 dnl Configure the makefile's configuration data
1378 AC_CONFIG_FILES([Makefile.config])
1380 dnl Configure the RPM spec file for LLVM
1381 AC_CONFIG_FILES([llvm.spec])
1383 dnl Configure doxygen's configuration file
1384 AC_CONFIG_FILES([docs/doxygen.cfg])
1386 dnl Configure llvmc's Base plugin
1387 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1389 dnl Do the first stage of configuration for llvm-config.in.
1390 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1392 dnl Do special configuration of Makefiles
1393 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1394 AC_CONFIG_MAKEFILE(Makefile)
1395 AC_CONFIG_MAKEFILE(Makefile.common)
1396 AC_CONFIG_MAKEFILE(examples/Makefile)
1397 AC_CONFIG_MAKEFILE(lib/Makefile)
1398 AC_CONFIG_MAKEFILE(runtime/Makefile)
1399 AC_CONFIG_MAKEFILE(test/Makefile)
1400 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1401 AC_CONFIG_MAKEFILE(unittests/Makefile)
1402 AC_CONFIG_MAKEFILE(tools/Makefile)
1403 AC_CONFIG_MAKEFILE(utils/Makefile)
1404 AC_CONFIG_MAKEFILE(projects/Makefile)
1405 AC_CONFIG_MAKEFILE(bindings/Makefile)
1406 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1408 dnl Finally, crank out the output