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 linking tools against the shared library.
474 AC_ARG_ENABLE(shared,
475 AS_HELP_STRING([--enable-shared],
476 [Link LLVM tools shared (default is NO)]),,
479 yes) AC_SUBST(ENABLE_SHARED,[1]) ;;
480 no) AC_SUBST(ENABLE_SHARED,[0]) ;;
481 default) AC_SUBST(ENABLE_SHARED,[0]) ;;
482 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;;
485 dnl Allow specific targets to be specified for building (or not)
487 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
488 [Build specific host targets: all or target1,target2,... Valid targets are:
489 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu, pic16,
490 xcore, msp430, systemz, blackfin, cbe, msil, and cpp (default=all)]),,
492 if test "$enableval" = host-only ; then
496 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend" ;;
497 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
499 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
500 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
501 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
502 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
503 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
504 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
505 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
506 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
507 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
508 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
509 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
510 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
511 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
512 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
513 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
514 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
515 host) case "$llvm_cv_target_arch" in
516 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
517 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
518 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
519 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
520 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
521 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
522 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
523 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
524 PIC16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
525 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
526 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
527 s390x) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
528 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
529 *) AC_MSG_ERROR([Can not set target to build]) ;;
531 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
536 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
538 # Determine whether we are building LLVM support for the native architecture.
539 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
540 for a_target in $TARGETS_TO_BUILD; do
541 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
542 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
543 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
544 [LLVM architecture name for the native architecture, if available])
548 # Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual
549 # target feature def files.
551 LLVM_ENUM_ASM_PRINTERS=""
552 LLVM_ENUM_ASM_PARSERS=""
553 LLVM_ENUM_DISASSEMBLERS=""
554 for target_to_build in $TARGETS_TO_BUILD; do
555 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
556 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
557 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
559 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
560 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
562 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
563 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
566 AC_SUBST(LLVM_ENUM_TARGETS)
567 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
568 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
569 AC_SUBST(LLVM_ENUM_DISASSEMBLERS)
571 dnl Prevent the CBackend from using printf("%a") for floating point so older
572 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
573 dnl can still compile the CBE's output
574 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
575 [Enable C Backend output with hex floating point via %a (default is YES)]),,
578 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
579 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
580 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
581 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
583 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
584 [Define if CBE is enabled for printf %a output])
586 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
587 AC_ARG_WITH(llvmgccdir,
588 AS_HELP_STRING([--with-llvmgccdir],
589 [Specify location of llvm-gcc install dir (default searches PATH)]),,
592 default) WITH_LLVMGCCDIR=default ;;
593 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
594 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
597 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
599 AS_HELP_STRING([--with-llvmgcc],
600 [Specify location of llvm-gcc driver (default searches PATH)]),
601 LLVMGCC=$with_llvmgcc
604 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
606 AS_HELP_STRING([--with-llvmgxx],
607 [Specify location of llvm-g++ driver (default searches PATH)]),
608 LLVMGXX=$with_llvmgxx
611 if test -n "$LLVMGCC"; then
612 LLVMGCCCOMMAND="$LLVMGCC"
615 if test -n "$LLVMGXX"; then
616 LLVMGXXCOMMAND="$LLVMGXX"
619 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
620 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
623 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
624 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
627 dnl Override the option to use for optimized builds.
628 AC_ARG_WITH(optimize-option,
629 AS_HELP_STRING([--with-optimize-option],
630 [Select the compiler options to use for optimized builds]),,
632 AC_MSG_CHECKING([optimization flags])
635 case "$llvm_cv_os_type" in
636 MingW) optimize_option=-O3 ;;
637 *) optimize_option=-O2 ;;
639 *) optimize_option="$withval" ;;
641 AC_SUBST(OPTIMIZE_OPTION,$optimize_option)
642 AC_MSG_RESULT([$optimize_option])
644 dnl Specify extra build options
645 AC_ARG_WITH(extra-options,
646 AS_HELP_STRING([--with-extra-options],
647 [Specify additional options to compile LLVM with]),,
650 default) EXTRA_OPTIONS= ;;
651 *) EXTRA_OPTIONS=$withval ;;
653 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
655 dnl Allow specific bindings to be specified for building (or not)
656 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
657 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
661 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
662 all ) BINDINGS_TO_BUILD="ocaml" ;;
663 none | no) BINDINGS_TO_BUILD="" ;;
664 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
666 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
667 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
673 dnl Allow the ocaml libdir to be overridden. This could go in a configure
674 dnl script for bindings/ocaml/configure, except that its auto value depends on
675 dnl OCAMLC, which is found here to support tests.
676 AC_ARG_WITH([ocaml-libdir],
677 [AS_HELP_STRING([--with-ocaml-libdir],
678 [Specify install location for ocaml bindings (default is stdlib)])],
682 auto) with_ocaml_libdir="$withval" ;;
683 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
684 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
687 AC_ARG_WITH(c-include-dirs,
688 AS_HELP_STRING([--with-c-include-dirs],
689 [Colon separated list of directories clang will search for headers]),,
691 AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval",
692 [Directories clang will search for headers])
694 AC_ARG_WITH(cxx-include-root,
695 AS_HELP_STRING([--with-cxx-include-root],
696 [Directory with the libstdc++ headers.]),,
698 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ROOT,"$withval",
699 [Directory with the libstdc++ headers.])
701 AC_ARG_WITH(cxx-include-arch,
702 AS_HELP_STRING([--with-cxx-include-arch],
703 [Architecture of the libstdc++ headers.]),,
705 AC_DEFINE_UNQUOTED(CXX_INCLUDE_ARCH,"$withval",
706 [Arch the libstdc++ headers.])
708 AC_ARG_WITH(cxx-include-32bit-dir,
709 AS_HELP_STRING([--with-cxx-include-32bit-dir],
710 [32 bit multilib dir.]),,
712 AC_DEFINE_UNQUOTED(CXX_INCLUDE_32BIT_DIR,"$withval",
713 [32 bit multilib directory.])
715 AC_ARG_WITH(cxx-include-64bit-dir,
716 AS_HELP_STRING([--with-cxx-include-64bit-dir],
717 [64 bit multilib directory.]),,
719 AC_DEFINE_UNQUOTED(CXX_INCLUDE_64BIT_DIR,"$withval",
720 [64 bit multilib directory.])
722 dnl Allow linking of LLVM with GPLv3 binutils code.
723 AC_ARG_WITH(binutils-include,
724 AS_HELP_STRING([--with-binutils-include],
725 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
728 default) WITH_BINUTILS_INCDIR=default ;;
729 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
730 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
732 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
733 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
734 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
735 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
736 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
740 dnl --enable-libffi : check whether the user wants to turn off libffi:
741 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
742 --enable-libffi,[Check for the presence of libffi (default is NO)]),
743 [case "$enableval" in
744 yes) llvm_cv_enable_libffi="yes" ;;
745 no) llvm_cv_enable_libffi="no" ;;
746 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
748 llvm_cv_enable_libffi=no)
750 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
751 if test "$llvm_cv_os_type" = "Win32" ; then
757 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
758 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
759 --enable-llvmc-dynamic,
760 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
761 enableval=$llvmc_dynamic)
762 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
763 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
765 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
768 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
769 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
770 --enable-llvmc-dynamic-plugins,
771 [Enable dynamic LLVMC plugins (default is YES)]),,
773 if test ${enableval} = "yes" ; then
774 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
776 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
779 dnl===-----------------------------------------------------------------------===
781 dnl=== SECTION 4: Check for programs we need and that they are the right version
783 dnl===-----------------------------------------------------------------------===
785 dnl Check for compilation tools
793 dnl Check for the tools that the makefiles require
796 AC_PATH_PROG(CMP, [cmp], [cmp])
797 AC_PATH_PROG(CP, [cp], [cp])
798 AC_PATH_PROG(DATE, [date], [date])
799 AC_PATH_PROG(FIND, [find], [find])
800 AC_PATH_PROG(GREP, [grep], [grep])
801 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
802 AC_PATH_PROG(MV, [mv], [mv])
804 AC_CHECK_TOOL(AR, ar, false)
805 AC_PATH_PROG(RM, [rm], [rm])
806 AC_PATH_PROG(SED, [sed], [sed])
807 AC_PATH_PROG(TAR, [tar], [gtar])
808 AC_PATH_PROG(BINPWD,[pwd], [pwd])
810 dnl Looking for misc. graph plotting software
811 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
812 if test "$GRAPHVIZ" != "echo Graphviz" ; then
813 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
814 dnl If we're targeting for mingw we should emit windows paths, not msys
815 if test "$llvm_cv_os_type" = "MingW" ; then
816 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
818 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
819 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
821 AC_PATH_PROG(DOT, [dot], [echo dot])
822 if test "$DOT" != "echo dot" ; then
823 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
824 dnl If we're targeting for mingw we should emit windows paths, not msys
825 if test "$llvm_cv_os_type" = "MingW" ; then
826 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
828 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
829 [Define to path to dot program if found or 'echo dot' otherwise])
831 AC_PATH_PROG(FDP, [fdp], [echo fdp])
832 if test "$FDP" != "echo fdp" ; then
833 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
834 dnl If we're targeting for mingw we should emit windows paths, not msys
835 if test "$llvm_cv_os_type" = "MingW" ; then
836 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
838 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
839 [Define to path to fdp program if found or 'echo fdp' otherwise])
841 AC_PATH_PROG(NEATO, [neato], [echo neato])
842 if test "$NEATO" != "echo neato" ; then
843 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
844 dnl If we're targeting for mingw we should emit windows paths, not msys
845 if test "$llvm_cv_os_type" = "MingW" ; then
846 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
848 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
849 [Define to path to neato program if found or 'echo neato' otherwise])
851 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
852 if test "$TWOPI" != "echo twopi" ; then
853 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
854 dnl If we're targeting for mingw we should emit windows paths, not msys
855 if test "$llvm_cv_os_type" = "MingW" ; then
856 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
858 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
859 [Define to path to twopi program if found or 'echo twopi' otherwise])
861 AC_PATH_PROG(CIRCO, [circo], [echo circo])
862 if test "$CIRCO" != "echo circo" ; then
863 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
864 dnl If we're targeting for mingw we should emit windows paths, not msys
865 if test "$llvm_cv_os_type" = "MingW" ; then
866 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
868 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
869 [Define to path to circo program if found or 'echo circo' otherwise])
871 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
872 if test "$GV" != "echo gv" ; then
873 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
874 dnl If we're targeting for mingw we should emit windows paths, not msys
875 if test "$llvm_cv_os_type" = "MingW" ; then
876 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
878 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
879 [Define to path to gv program if found or 'echo gv' otherwise])
881 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
882 if test "$DOTTY" != "echo dotty" ; then
883 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
884 dnl If we're targeting for mingw we should emit windows paths, not msys
885 if test "$llvm_cv_os_type" = "MingW" ; then
886 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
888 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
889 [Define to path to dotty program if found or 'echo dotty' otherwise])
892 dnl Look for a sufficiently recent version of Perl.
893 LLVM_PROG_PERL([5.006])
895 if test x"$PERL" = xnone; then
896 AC_SUBST(HAVE_PERL,0)
897 AC_MSG_ERROR([perl is required but was not found, please install it])
899 AC_SUBST(HAVE_PERL,1)
902 dnl Find the install program
905 dnl Checks for documentation and testing tools that we can do without. If these
906 dnl are not found then they are set to "true" which always succeeds but does
907 dnl nothing. This just lets the build output show that we could have done
908 dnl something if the tool was available.
909 AC_PATH_PROG(BZIP2, [bzip2])
910 AC_PATH_PROG(DOXYGEN, [doxygen])
911 AC_PATH_PROG(GROFF, [groff])
912 AC_PATH_PROG(GZIP, [gzip])
913 AC_PATH_PROG(POD2HTML, [pod2html])
914 AC_PATH_PROG(POD2MAN, [pod2man])
915 AC_PATH_PROG(RUNTEST, [runtest])
917 AC_PATH_PROG(ZIP, [zip])
918 AC_PATH_PROGS(OCAMLC, [ocamlc])
919 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
920 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
921 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
922 AC_PATH_PROGS(GAS, [gas as])
924 dnl Determine whether the linker supports the -R option.
927 dnl Determine whether the linker supports the -export-dynamic option.
928 AC_LINK_EXPORT_DYNAMIC
930 dnl Check for libtool and the library that has dlopen function (which must come
931 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
936 if test "$WITH_LLVMGCCDIR" = "default" ; then
937 LLVMGCC="llvm-gcc${EXEEXT}"
938 LLVMGXX="llvm-g++${EXEEXT}"
939 LLVMGCCCOMMAND="$LLVMGCC"
940 LLVMGXXCOMMAND="$LLVMGXX"
941 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
942 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
943 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
944 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
946 if test -z "$LLVMGCC"; then
947 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
948 LLVMGCCCOMMAND="$LLVMGCC"
950 if test -z "$LLVMGXX"; then
951 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
952 LLVMGXXCOMMAND="$LLVMGXX"
955 AC_SUBST(LLVMGCC,$LLVMGCC)
956 AC_SUBST(LLVMGXX,$LLVMGXX)
957 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
958 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
962 AC_MSG_CHECKING([tool compatibility])
964 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
965 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
966 dnl to support those options.
967 dnl "icc" emits gcc signatures
968 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
980 if test "$GCC" != "yes" && test "$ICC" != "yes"
982 AC_MSG_ERROR([gcc|icc required but not found])
985 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
986 if test "$GXX" != "yes" && test "$IXX" != "yes"
988 AC_MSG_ERROR([g++|icc required but not found])
991 dnl Verify that GCC is version 3.0 or higher
992 if test "$GCC" = "yes"
994 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
995 #error Unsupported GCC version
997 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
1000 dnl Check for GNU Make. We use its extensions, so don't build without it
1001 if test -z "$llvm_cv_gnu_make_command"
1003 AC_MSG_ERROR([GNU Make required but not found])
1006 dnl Tool compatibility is okay if we make it here.
1009 dnl Check optional compiler flags.
1010 AC_MSG_CHECKING([optional compiler flags])
1011 CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
1012 CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
1013 AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS])
1015 dnl===-----------------------------------------------------------------------===
1017 dnl=== SECTION 5: Check for libraries
1019 dnl===-----------------------------------------------------------------------===
1022 if test "$llvm_cv_os_type" = "MingW" ; then
1023 AC_CHECK_LIB(imagehlp, main)
1024 AC_CHECK_LIB(psapi, main)
1027 dnl dlopen() is required for plugin support.
1028 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
1029 [Define if dlopen() is available on this platform.]),
1030 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
1032 dnl libffi is optional; used to call external functions from the interpreter
1033 if test "$llvm_cv_enable_libffi" = "yes" ; then
1034 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
1035 [Define if libffi is available on this platform.]),
1036 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it]))
1039 dnl mallinfo is optional; the code can compile (minus features) without it
1040 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
1041 [Define if mallinfo() is available on this platform.]))
1043 dnl pthread locking functions are optional - but llvm will not be thread-safe
1045 if test "$ENABLE_THREADS" -eq 1 ; then
1046 AC_CHECK_LIB(pthread, pthread_mutex_init)
1047 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
1048 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
1049 [Have pthread_mutex_lock]))
1050 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
1051 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
1052 [Have pthread_rwlock_init]))
1053 AC_SEARCH_LIBS(pthread_getspecific,pthread,
1054 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
1055 [Have pthread_getspecific]))
1058 dnl Allow extra x86-disassembler library
1060 AS_HELP_STRING([--with-udis86=<path>],
1061 [Use udis86 external x86 disassembler library]),
1063 AC_SUBST(USE_UDIS86, [1])
1066 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
1068 AC_CHECK_LIB(udis86, ud_init, [], [
1069 echo "Error! You need to have libudis86 around."
1073 AC_SUBST(USE_UDIS86, [0]))
1074 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1075 [Define if use udis86 library])
1077 dnl Allow OProfile support for JIT output.
1078 AC_ARG_WITH(oprofile,
1079 AS_HELP_STRING([--with-oprofile=<prefix>],
1080 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1082 AC_SUBST(USE_OPROFILE, [1])
1084 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1086 AC_SUBST(USE_OPROFILE, [0]) ;;
1087 *) llvm_cv_oppath="${withval}/lib/oprofile"
1088 CPPFLAGS="-I${withval}/include";;
1090 if test -n "$llvm_cv_oppath" ; then
1091 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1092 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1093 dnl libbfd is not included properly in libopagent in some Debian
1094 dnl versions. If libbfd isn't found at all, we assume opagent works
1096 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1097 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1098 echo "Error! You need to have libopagent around."
1101 AC_CHECK_HEADER([opagent.h], [], [
1102 echo "Error! You need to have opagent.h around."
1108 AC_SUBST(USE_OPROFILE, [0])
1110 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1111 [Define if we have the oprofile JIT-support library])
1113 dnl===-----------------------------------------------------------------------===
1115 dnl=== SECTION 6: Check for header files
1117 dnl===-----------------------------------------------------------------------===
1119 dnl First, use autoconf provided macros for specific headers that we need
1120 dnl We don't check for ancient stuff or things that are guaranteed to be there
1121 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1122 dnl Generally we're looking for POSIX headers.
1124 AC_HEADER_MMAP_ANONYMOUS
1130 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1131 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1132 AC_CHECK_HEADERS([utime.h windows.h])
1133 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1134 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1135 if test "$ENABLE_THREADS" -eq 1 ; then
1136 AC_CHECK_HEADERS(pthread.h,
1137 AC_SUBST(HAVE_PTHREAD, 1),
1138 AC_SUBST(HAVE_PTHREAD, 0))
1140 AC_SUBST(HAVE_PTHREAD, 0)
1143 dnl Try to find ffi.h.
1144 if test "$llvm_cv_enable_libffi" = "yes" ; then
1145 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1148 dnl===-----------------------------------------------------------------------===
1150 dnl=== SECTION 7: Check for types and structures
1152 dnl===-----------------------------------------------------------------------===
1157 AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').])
1159 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1160 AC_CHECK_TYPES([uint64_t],,
1161 AC_CHECK_TYPES([u_int64_t],,
1162 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1164 dnl===-----------------------------------------------------------------------===
1166 dnl=== SECTION 8: Check for specific functions needed
1168 dnl===-----------------------------------------------------------------------===
1170 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1171 AC_CHECK_FUNCS([powf fmodf strtof round ])
1172 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1173 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1174 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1175 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1176 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1177 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1181 dnl Check for variations in the Standard C++ library and STL. These macros are
1182 dnl provided by LLVM in the autoconf/m4 directory.
1186 dnl Check for mmap support.We also need to know if /dev/zero is required to
1187 dnl be opened for allocating RWX memory.
1188 dnl Make sure we aren't attempting to configure for an unknown system
1189 if test "$llvm_cv_platform_type" = "Unix" ; then
1192 AC_NEED_DEV_ZERO_FOR_MMAP
1194 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1196 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1198 if test "$ac_cv_func_mmap_file" = "no"
1200 AC_MSG_WARN([mmap() of files required but not found])
1204 dnl atomic builtins are required for threading support.
1205 AC_MSG_CHECKING(for GCC atomic builtins)
1209 volatile unsigned long val = 1;
1210 __sync_synchronize();
1211 __sync_val_compare_and_swap(&val, 1, 0);
1212 __sync_add_and_fetch(&val, 1);
1213 __sync_sub_and_fetch(&val, 1);
1218 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1220 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1221 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1224 dnl===-----------------------------------------------------------------------===
1226 dnl=== SECTION 9: Additional checks, variables, etc.
1228 dnl===-----------------------------------------------------------------------===
1230 dnl Handle 32-bit linux systems running a 64-bit kernel.
1231 dnl This has to come after section 4 because it invokes the compiler.
1232 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1234 if test "$llvm_cv_linux_mixed" = "yes"; then
1235 llvm_cv_target_arch="x86"
1240 dnl Check, whether __dso_handle is present
1241 AC_CHECK_FUNCS([__dso_handle])
1243 dnl See if the llvm-gcc executable can compile to LLVM assembly
1244 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1245 [llvm_cv_llvmgcc_sanity="no"
1246 if test -x "$LLVMGCC" ; then
1247 cp /dev/null conftest.c
1248 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1249 grep 'target datalayout =' > /dev/null 2>&1
1250 if test $? -eq 0 ; then
1251 llvm_cv_llvmgcc_sanity="yes"
1256 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1257 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1258 AC_MSG_CHECKING([llvm-gcc component support])
1259 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1260 AC_SUBST(LLVMCC1,$llvmcc1path)
1261 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1262 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1263 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1264 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1265 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
1266 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1267 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1268 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1269 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1270 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1271 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1272 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1276 dnl Propagate the shared library extension that the libltdl checks did to
1277 dnl the Makefiles so we can use it there too
1278 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1280 dnl Propagate the run-time library path variable that the libltdl
1281 dnl checks found to the Makefiles so we can use it there too
1282 AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var)
1284 # Translate the various configuration directories and other basic
1285 # information into substitutions that will end up in Makefile.config.in
1286 # that these configured values can be used by the makefiles
1287 if test "${prefix}" = "NONE" ; then
1290 eval LLVM_PREFIX="${prefix}";
1291 eval LLVM_BINDIR="${prefix}/bin";
1292 eval LLVM_LIBDIR="${prefix}/lib";
1293 eval LLVM_DATADIR="${prefix}/share/llvm";
1294 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1295 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1296 eval LLVM_INCLUDEDIR="${prefix}/include";
1297 eval LLVM_INFODIR="${prefix}/info";
1298 eval LLVM_MANDIR="${prefix}/man";
1299 LLVM_CONFIGTIME=`date`
1300 AC_SUBST(LLVM_PREFIX)
1301 AC_SUBST(LLVM_BINDIR)
1302 AC_SUBST(LLVM_LIBDIR)
1303 AC_SUBST(LLVM_DATADIR)
1304 AC_SUBST(LLVM_DOCSDIR)
1305 AC_SUBST(LLVM_ETCDIR)
1306 AC_SUBST(LLVM_INCLUDEDIR)
1307 AC_SUBST(LLVM_INFODIR)
1308 AC_SUBST(LLVM_MANDIR)
1309 AC_SUBST(LLVM_CONFIGTIME)
1311 # Place the various directores into the config.h file as #defines so that we
1312 # can know about the installation paths within LLVM.
1313 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1314 [Installation prefix directory])
1315 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1316 [Installation directory for binary executables])
1317 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1318 [Installation directory for libraries])
1319 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1320 [Installation directory for data files])
1321 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1322 [Installation directory for documentation])
1323 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1324 [Installation directory for config files])
1325 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1326 [Installation directory for include files])
1327 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1328 [Installation directory for .info files])
1329 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1330 [Installation directory for man pages])
1331 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1332 [Time at which LLVM was configured])
1333 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1334 [Host triple we were built on])
1336 # Determine which bindings to build.
1337 if test "$BINDINGS_TO_BUILD" = auto ; then
1338 BINDINGS_TO_BUILD=""
1339 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1340 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1343 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1345 # This isn't really configurey, but it avoids having to repeat the list in
1347 AC_SUBST(ALL_BINDINGS,ocaml)
1349 # Do any work necessary to ensure that bindings have what they need.
1350 binding_prereqs_failed=0
1351 for a_binding in $BINDINGS_TO_BUILD ; do
1352 case "$a_binding" in
1354 if test "x$OCAMLC" = x ; then
1355 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1356 binding_prereqs_failed=1
1358 if test "x$OCAMLDEP" = x ; then
1359 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1360 binding_prereqs_failed=1
1362 if test "x$OCAMLOPT" = x ; then
1363 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1364 dnl ocamlopt is optional!
1366 if test "x$with_ocaml_libdir" != xauto ; then
1367 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1369 ocaml_stdlib="`"$OCAMLC" -where`"
1370 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1372 # ocaml stdlib is beneath our prefix; use stdlib
1373 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1375 # ocaml stdlib is outside our prefix; use libdir/ocaml
1376 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1382 if test "$binding_prereqs_failed" = 1 ; then
1383 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1386 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1387 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1389 dnl Determine linker rpath flag
1390 if test "$llvm_cv_link_use_r" = "yes" ; then
1397 dnl Determine linker rdynamic flag
1398 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1399 RDYNAMIC="-Wl,-export-dynamic"
1405 dnl===-----------------------------------------------------------------------===
1407 dnl=== SECTION 10: Specify the output files and generate it
1409 dnl===-----------------------------------------------------------------------===
1411 dnl Configure header files
1412 dnl WARNING: dnl If you add or remove any of the following config headers, then
1413 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1414 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1415 dnl files can be updated automatically when their *.in sources change.
1416 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1417 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1418 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1419 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1420 AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def])
1421 AC_CONFIG_HEADERS([include/llvm/System/DataTypes.h])
1423 dnl Configure the makefile's configuration data
1424 AC_CONFIG_FILES([Makefile.config])
1426 dnl Configure the RPM spec file for LLVM
1427 AC_CONFIG_FILES([llvm.spec])
1429 dnl Configure doxygen's configuration file
1430 AC_CONFIG_FILES([docs/doxygen.cfg])
1432 dnl Configure llvmc's Base plugin
1433 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1435 dnl Do the first stage of configuration for llvm-config.in.
1436 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1438 dnl Do special configuration of Makefiles
1439 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1440 AC_CONFIG_MAKEFILE(Makefile)
1441 AC_CONFIG_MAKEFILE(Makefile.common)
1442 AC_CONFIG_MAKEFILE(examples/Makefile)
1443 AC_CONFIG_MAKEFILE(lib/Makefile)
1444 AC_CONFIG_MAKEFILE(runtime/Makefile)
1445 AC_CONFIG_MAKEFILE(test/Makefile)
1446 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1447 AC_CONFIG_MAKEFILE(unittests/Makefile)
1448 AC_CONFIG_MAKEFILE(tools/Makefile)
1449 AC_CONFIG_MAKEFILE(utils/Makefile)
1450 AC_CONFIG_MAKEFILE(projects/Makefile)
1451 AC_CONFIG_MAKEFILE(bindings/Makefile)
1452 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1454 dnl Finally, crank out the output