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]],[[2.6svn]],[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) 2003-2008 University of Illinois at Urbana-Champaign."])
39 AC_COPYRIGHT([Copyright (c) 2003-2008 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,--whole-archive"
170 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
171 llvm_cv_os_type="Win32"
172 llvm_cv_platform_type="Win32" ;;
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="MingW"
177 llvm_cv_platform_type="Win32" ;;
179 llvm_cv_link_all_option=""
180 llvm_cv_no_link_all_option=""
181 llvm_cv_os_type="Unknown"
182 llvm_cv_platform_type="Unknown" ;;
185 dnl Make sure we aren't attempting to configure for an unknown system
186 if test "$llvm_cv_os_type" = "Unknown" ; then
187 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
190 dnl Set the "OS" Makefile variable based on the platform type so the
191 dnl makefile can configure itself to specific build hosts
192 AC_SUBST(OS,$llvm_cv_os_type)
194 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
195 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
196 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
198 dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type
199 dnl This is used by lib/System to determine the basic kind of implementation
201 case $llvm_cv_platform_type in
203 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
204 AC_SUBST(LLVM_ON_UNIX,[1])
205 AC_SUBST(LLVM_ON_WIN32,[0])
208 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
209 AC_SUBST(LLVM_ON_UNIX,[0])
210 AC_SUBST(LLVM_ON_WIN32,[1])
214 dnl Determine what our target architecture is and configure accordingly.
215 dnl This will allow Makefiles to make a distinction between the hardware and
217 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
219 i?86-*) llvm_cv_target_arch="x86" ;;
220 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
221 sparc*-*) llvm_cv_target_arch="Sparc" ;;
222 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
223 alpha*-*) llvm_cv_target_arch="Alpha" ;;
224 arm*-*) llvm_cv_target_arch="ARM" ;;
225 mips-*) llvm_cv_target_arch="Mips" ;;
226 pic16-*) llvm_cv_target_arch="PIC16" ;;
227 xcore-*) llvm_cv_target_arch="XCore" ;;
228 msp430-*) llvm_cv_target_arch="MSP430" ;;
229 s390x-*) llvm_cv_target_arch="SystemZ" ;;
230 bfin-*) llvm_cv_target_arch="Blackfin" ;;
231 *) llvm_cv_target_arch="Unknown" ;;
234 if test "$llvm_cv_target_arch" = "Unknown" ; then
235 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
238 # Determine the LLVM native architecture for the target
239 case "$llvm_cv_target_arch" in
240 x86) LLVM_NATIVE_ARCH="X86" ;;
241 x86_64) LLVM_NATIVE_ARCH="X86" ;;
242 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
245 dnl Define a substitution, ARCH, for the target architecture
246 AC_SUBST(ARCH,$llvm_cv_target_arch)
248 dnl Check for the endianness of the target
249 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
251 dnl Check for build platform executable suffix if we're crosscompiling
252 if test "$cross_compiling" = yes; then
253 AC_SUBST(LLVM_CROSS_COMPILING, [1])
255 ac_build_prefix=${build_alias}-
256 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
257 if test -z "$BUILD_CXX"; then
258 AC_CHECK_PROG(BUILD_CXX, g++, g++)
259 if test -z "$BUILD_CXX"; then
260 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
264 AC_SUBST(LLVM_CROSS_COMPILING, [0])
267 dnl Check to see if there's a "CVS" (or .svn or .git) directory indicating
268 dnl that this build is being done from a checkout. This sets up several
269 dnl defaults for the command line switches. When we build with a CVS directory,
270 dnl we get a debug with assertions turned on. Without, we assume a source
271 dnl release and we get an optimized build without assertions.
272 dnl See --enable-optimized and --enable-assertions below
273 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
276 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
282 dnl===-----------------------------------------------------------------------===
284 dnl=== SECTION 3: Command line arguments for the configure script.
286 dnl===-----------------------------------------------------------------------===
288 dnl --enable-optimized : check whether they want to do an optimized build:
289 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
290 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
291 if test ${enableval} = "no" ; then
292 AC_SUBST(ENABLE_OPTIMIZED,[[]])
294 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
297 dnl --enable-profiling : check whether they want to do a profile build:
298 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
299 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
300 if test ${enableval} = "no" ; then
301 AC_SUBST(ENABLE_PROFILING,[[]])
303 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
306 dnl --enable-assertions : check whether they want to turn on assertions or not:
307 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
308 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
309 if test ${enableval} = "yes" ; then
310 AC_SUBST(DISABLE_ASSERTIONS,[[]])
312 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
315 dnl LLVM_COMPACT_SENTINELS : can be used to shrink ilist's end iterators and disable certain checks on them:
316 if test ${ENABLE_OPTIMIZED},${DISABLE_ASSERTIONS} = "ENABLE_OPTIMIZED=1,DISABLE_ASSERTIONS=1" ; then
317 AC_SUBST(LLVM_COMPACT_SENTINELS,[1])
319 AC_SUBST(LLVM_COMPACT_SENTINELS,[0])
322 AC_DEFINE_UNQUOTED([LLVM_COMPACT_SENTINELS],$LLVM_COMPACT_SENTINELS,
323 [Define to 1 for ilist sentinel compaction])
326 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
327 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
328 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
329 if test ${enableval} = "yes" ; then
330 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
331 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
333 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
334 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
337 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
338 AC_ARG_ENABLE(debug-runtime,
339 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
340 if test ${enableval} = "no" ; then
341 AC_SUBST(DEBUG_RUNTIME,[[]])
343 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
346 dnl --enable-jit: check whether they want to enable the jit
348 AS_HELP_STRING(--enable-jit,
349 [Enable Just In Time Compiling (default is YES)]),,
351 if test ${enableval} = "no"
355 case "$llvm_cv_target_arch" in
356 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
357 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
358 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
359 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
360 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
361 ARM) AC_SUBST(TARGET_HAS_JIT,0) ;;
362 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
363 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
364 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
365 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
366 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
367 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
368 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
372 dnl Allow enablement of doxygen generated documentation
373 AC_ARG_ENABLE(doxygen,
374 AS_HELP_STRING([--enable-doxygen],
375 [Build doxygen documentation (default is NO)]),,
378 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
379 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
380 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
381 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
384 dnl Allow disablement of threads
385 AC_ARG_ENABLE(threads,
386 AS_HELP_STRING([--enable-threads],
387 [Use threads if available (default is YES)]),,
390 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
391 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
392 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
393 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
395 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
397 dnl Allow building without position independent code
399 AS_HELP_STRING([--enable-pic],
400 [Build LLVM with Position Independent Code (default is YES)]),,
403 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
404 no) AC_SUBST(ENABLE_PIC,[0]) ;;
405 default) AC_SUBST(ENABLE_PIC,[1]) ;;
406 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
408 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
409 [Define if position independent code is enabled])
411 dnl Allow specific targets to be specified for building (or not)
413 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
414 [Build specific host targets: all,host-only,{target-name} (default=all)]),,
417 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend" ;;
419 case "$llvm_cv_target_arch" in
420 x86) TARGETS_TO_BUILD="X86" ;;
421 x86_64) TARGETS_TO_BUILD="X86" ;;
422 Sparc) TARGETS_TO_BUILD="Sparc" ;;
423 PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
424 Alpha) TARGETS_TO_BUILD="Alpha" ;;
425 ARM) TARGETS_TO_BUILD="ARM" ;;
426 Mips) TARGETS_TO_BUILD="Mips" ;;
427 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU" ;;
428 PIC16) TARGETS_TO_BUILD="PIC16" ;;
429 XCore) TARGETS_TO_BUILD="XCore" ;;
430 MSP430) TARGETS_TO_BUILD="MSP430" ;;
431 SystemZ) TARGETS_TO_BUILD="SystemZ" ;;
432 Blackfin) TARGETS_TO_BUILD="Blackfin" ;;
433 *) AC_MSG_ERROR([Can not set target to build]) ;;
436 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
438 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
439 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
440 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
441 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
442 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
443 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
444 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
445 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
446 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
447 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
448 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
449 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
450 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
451 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
452 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
453 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
454 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
459 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
461 # Determine whether we are building LLVM support for the native architecture.
462 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
463 for a_target in $TARGETS_TO_BUILD; do
464 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
465 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
466 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
467 [LLVM architecture name for the native architecture, if available])
471 # Build the LLVM_TARGET and LLVM_ASM_PRINTER macro uses for
472 # Targets.def, AsmPrinters.def, and AsmParsers.def.
474 LLVM_ENUM_ASM_PRINTERS=""
475 LLVM_ENUM_ASM_PARSERS=""
476 for target_to_build in $TARGETS_TO_BUILD; do
477 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
478 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
479 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
481 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
482 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
485 AC_SUBST(LLVM_ENUM_TARGETS)
486 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
487 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
489 dnl Prevent the CBackend from using printf("%a") for floating point so older
490 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
491 dnl can still compile the CBE's output
492 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
493 [Enable C Backend output with hex floating point via %a (default is YES)]),,
496 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
497 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
498 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
499 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
501 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
502 [Define if CBE is enabled for printf %a output])
504 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
505 AC_ARG_WITH(llvmgccdir,
506 AS_HELP_STRING([--with-llvmgccdir],
507 [Specify location of llvm-gcc install dir (default searches PATH)]),,
510 default) WITH_LLVMGCCDIR=default ;;
511 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
512 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
515 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
517 AS_HELP_STRING([--with-llvmgcc],
518 [Specify location of llvm-gcc driver (default searches PATH)]),
519 LLVMGCC=$with_llvmgcc
522 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
524 AS_HELP_STRING([--with-llvmgxx],
525 [Specify location of llvm-g++ driver (default searches PATH)]),
526 LLVMGXX=$with_llvmgxx
529 if test -n "$LLVMGCC"; then
530 LLVMGCCCOMMAND="$LLVMGCC"
533 if test -n "$LLVMGXX"; then
534 LLVMGXXCOMMAND="$LLVMGXX"
537 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
538 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
541 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
542 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
545 dnl Specify extra build options
546 AC_ARG_WITH(extra-options,
547 AS_HELP_STRING([--with-extra-options],
548 [Specify additional options to compile LLVM with]),,
551 default) EXTRA_OPTIONS= ;;
552 *) EXTRA_OPTIONS=$withval ;;
554 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
556 dnl Allow specific bindings to be specified for building (or not)
557 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
558 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
562 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
563 all ) BINDINGS_TO_BUILD="ocaml" ;;
564 none | no) BINDINGS_TO_BUILD="" ;;
565 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
567 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
568 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
574 dnl Allow the ocaml libdir to be overridden. This could go in a configure
575 dnl script for bindings/ocaml/configure, except that its auto value depends on
576 dnl OCAMLC, which is found here to support tests.
577 AC_ARG_WITH([ocaml-libdir],
578 [AS_HELP_STRING([--with-ocaml-libdir],
579 [Specify install location for ocaml bindings (default is stdlib)])],
583 auto) with_ocaml_libdir="$withval" ;;
584 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
585 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
588 dnl Allow linking of LLVM with GPLv3 binutils code.
589 AC_ARG_WITH(binutils-include,
590 AS_HELP_STRING([--with-binutils-include],
591 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
594 default) WITH_BINUTILS_INCDIR=default ;;
595 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
596 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
598 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
599 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
600 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
601 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
602 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
606 dnl --enable-libffi : check whether the user wants to turn off libffi:
607 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
608 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
611 yes) llvm_cv_enable_libffi="yes" ;;
612 no) llvm_cv_enable_libffi="no" ;;
613 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
616 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
617 if test "$llvm_cv_os_type" = "Win32" ; then
623 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
624 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
625 --enable-llvmc-dynamic,
626 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
627 enableval=$llvmc_dynamic)
628 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
629 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
631 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
634 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
635 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
636 --enable-llvmc-dynamic-plugins,
637 [Enable dynamic LLVMC plugins (default is YES)]),,
639 if test ${enableval} = "yes" ; then
640 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
642 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
645 dnl===-----------------------------------------------------------------------===
647 dnl=== SECTION 4: Check for programs we need and that they are the right version
649 dnl===-----------------------------------------------------------------------===
651 dnl Check for compilation tools
659 dnl Check for the tools that the makefiles require
662 AC_PATH_PROG(CMP, [cmp], [cmp])
663 AC_PATH_PROG(CP, [cp], [cp])
664 AC_PATH_PROG(DATE, [date], [date])
665 AC_PATH_PROG(FIND, [find], [find])
666 AC_PATH_PROG(GREP, [grep], [grep])
667 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
668 AC_PATH_PROG(MV, [mv], [mv])
670 AC_PATH_PROG(RM, [rm], [rm])
671 AC_PATH_PROG(SED, [sed], [sed])
672 AC_PATH_PROG(TAR, [tar], [gtar])
673 AC_PATH_PROG(BINPWD,[pwd], [pwd])
675 dnl Looking for misc. graph plotting software
676 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
677 if test "$GRAPHVIZ" != "echo Graphviz" ; then
678 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
679 dnl If we're targeting for mingw we should emit windows paths, not msys
680 if test "$llvm_cv_os_type" = "MingW" ; then
681 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
683 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
684 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
686 AC_PATH_PROG(DOT, [dot], [echo dot])
687 if test "$DOT" != "echo dot" ; then
688 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
689 dnl If we're targeting for mingw we should emit windows paths, not msys
690 if test "$llvm_cv_os_type" = "MingW" ; then
691 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
693 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
694 [Define to path to dot program if found or 'echo dot' otherwise])
696 AC_PATH_PROG(FDP, [fdp], [echo fdp])
697 if test "$FDP" != "echo fdp" ; then
698 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
699 dnl If we're targeting for mingw we should emit windows paths, not msys
700 if test "$llvm_cv_os_type" = "MingW" ; then
701 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
703 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
704 [Define to path to fdp program if found or 'echo fdp' otherwise])
706 AC_PATH_PROG(NEATO, [neato], [echo neato])
707 if test "$NEATO" != "echo neato" ; then
708 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
709 dnl If we're targeting for mingw we should emit windows paths, not msys
710 if test "$llvm_cv_os_type" = "MingW" ; then
711 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
713 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
714 [Define to path to neato program if found or 'echo neato' otherwise])
716 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
717 if test "$TWOPI" != "echo twopi" ; then
718 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
719 dnl If we're targeting for mingw we should emit windows paths, not msys
720 if test "$llvm_cv_os_type" = "MingW" ; then
721 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
723 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
724 [Define to path to twopi program if found or 'echo twopi' otherwise])
726 AC_PATH_PROG(CIRCO, [circo], [echo circo])
727 if test "$CIRCO" != "echo circo" ; then
728 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
729 dnl If we're targeting for mingw we should emit windows paths, not msys
730 if test "$llvm_cv_os_type" = "MingW" ; then
731 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
733 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
734 [Define to path to circo program if found or 'echo circo' otherwise])
736 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
737 if test "$GV" != "echo gv" ; then
738 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
739 dnl If we're targeting for mingw we should emit windows paths, not msys
740 if test "$llvm_cv_os_type" = "MingW" ; then
741 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
743 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
744 [Define to path to gv program if found or 'echo gv' otherwise])
746 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
747 if test "$DOTTY" != "echo dotty" ; then
748 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
749 dnl If we're targeting for mingw we should emit windows paths, not msys
750 if test "$llvm_cv_os_type" = "MingW" ; then
751 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
753 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
754 [Define to path to dotty program if found or 'echo dotty' otherwise])
757 dnl Look for a sufficiently recent version of Perl.
758 LLVM_PROG_PERL([5.006])
760 if test x"$PERL" = xnone; then
761 AC_SUBST(HAVE_PERL,0)
762 AC_MSG_ERROR([perl is required but was not found, please install it])
764 AC_SUBST(HAVE_PERL,1)
767 dnl Find the install program
770 dnl Checks for documentation and testing tools that we can do without. If these
771 dnl are not found then they are set to "true" which always succeeds but does
772 dnl nothing. This just lets the build output show that we could have done
773 dnl something if the tool was available.
774 AC_PATH_PROG(BZIP2, [bzip2])
775 AC_PATH_PROG(DOXYGEN, [doxygen])
776 AC_PATH_PROG(GROFF, [groff])
777 AC_PATH_PROG(GZIP, [gzip])
778 AC_PATH_PROG(POD2HTML, [pod2html])
779 AC_PATH_PROG(POD2MAN, [pod2man])
780 AC_PATH_PROG(RUNTEST, [runtest])
782 AC_PATH_PROG(ZIP, [zip])
783 AC_PATH_PROGS(OCAMLC, [ocamlc])
784 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
785 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
786 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
787 AC_PATH_PROGS(GAS, [gas as])
789 dnl Determine whether the linker supports the -R option.
792 dnl Determine whether the linker supports the -export-dynamic option.
793 AC_LINK_EXPORT_DYNAMIC
795 dnl Check for libtool and the library that has dlopen function (which must come
796 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
802 if test "$lt_cv_dlopen_self" = "yes" ; then
803 AC_DEFINE([CAN_DLOPEN_SELF],[1],
804 [Define if dlopen(0) will open the symbols of the program])
808 if test "$WITH_LLVMGCCDIR" = "default" ; then
809 LLVMGCC="llvm-gcc${EXEEXT}"
810 LLVMGXX="llvm-g++${EXEEXT}"
811 LLVMGCCCOMMAND="$LLVMGCC"
812 LLVMGXXCOMMAND="$LLVMGXX"
813 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
814 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
815 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
816 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
818 if test -z "$LLVMGCC"; then
819 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
820 LLVMGCCCOMMAND="$LLVMGCC"
822 if test -z "$LLVMGXX"; then
823 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
824 LLVMGXXCOMMAND="$LLVMGXX"
827 AC_SUBST(LLVMGCC,$LLVMGCC)
828 AC_SUBST(LLVMGXX,$LLVMGXX)
829 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
830 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
834 AC_MSG_CHECKING([tool compatibility])
836 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
837 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
838 dnl to support those options.
839 dnl "icc" emits gcc signatures
840 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
852 if test "$GCC" != "yes" && test "$ICC" != "yes"
854 AC_MSG_ERROR([gcc|icc required but not found])
857 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
858 if test "$GXX" != "yes" && test "$IXX" != "yes"
860 AC_MSG_ERROR([g++|icc required but not found])
863 dnl Verify that GCC is version 3.0 or higher
864 if test "$GCC" = "yes"
866 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
867 #error Unsupported GCC version
869 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
872 dnl Check for GNU Make. We use its extensions, so don't build without it
873 if test -z "$llvm_cv_gnu_make_command"
875 AC_MSG_ERROR([GNU Make required but not found])
878 dnl Tool compatibility is okay if we make it here.
881 dnl===-----------------------------------------------------------------------===
883 dnl=== SECTION 5: Check for libraries
885 dnl===-----------------------------------------------------------------------===
888 if test "$llvm_cv_os_type" = "MingW" ; then
889 AC_CHECK_LIB(imagehlp, main)
890 AC_CHECK_LIB(psapi, main)
893 dnl dlopen() is required for plugin support.
894 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
895 [Define if dlopen() is available on this platform.]),
896 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
898 dnl libffi is optional; used to call external functions from the interpreter
899 if test "$llvm_cv_enable_libffi" = "yes" ; then
900 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
901 [Define if libffi is available on this platform.]),
902 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
905 dnl mallinfo is optional; the code can compile (minus features) without it
906 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
907 [Define if mallinfo() is available on this platform.]))
909 dnl pthread locking functions are optional - but llvm will not be thread-safe
911 if test "$ENABLE_THREADS" -eq 1 ; then
912 AC_CHECK_LIB(pthread,pthread_mutex_init)
913 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
914 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
915 [Have pthread_mutex_lock]))
916 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
917 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
918 [Have pthread_rwlock_init]))
919 AC_SEARCH_LIBS(pthread_getspecific,pthread,
920 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
921 [Have pthread_getspecific]))
924 dnl Allow extra x86-disassembler library
926 AS_HELP_STRING([--with-udis86=<path>],
927 [Use udis86 external x86 disassembler library]),
929 AC_SUBST(USE_UDIS86, [1])
932 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
934 AC_CHECK_LIB(udis86, ud_init, [], [
935 echo "Error! You need to have libudis86 around."
939 AC_SUBST(USE_UDIS86, [0]))
940 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
941 [Define if use udis86 library])
943 dnl Allow OProfile support for JIT output.
944 AC_ARG_WITH(oprofile,
945 AS_HELP_STRING([--with-oprofile=<prefix>],
946 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
948 AC_SUBST(USE_OPROFILE, [1])
950 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
951 *) llvm_cv_oppath="${withval}/lib/oprofile"
952 CPPFLAGS="-I${withval}/include";;
954 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
955 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
956 echo "Error! You need to have libopagent around."
959 AC_CHECK_HEADER([opagent.h], [], [
960 echo "Error! You need to have opagent.h around."
965 llvm_cv_old_LIBS="$LIBS"
966 LIBS="$LIBS -L/usr/lib/oprofile -Wl,-rpath,/usr/lib/oprofile"
967 dnl If either the library or header aren't present, omit oprofile support.
968 AC_SEARCH_LIBS(op_open_agent, opagent,
969 [AC_SUBST(USE_OPROFILE, [1])],
970 [LIBS="$llvm_cv_old_LIBS"
971 AC_SUBST(USE_OPROFILE, [0])])
972 AC_CHECK_HEADER([opagent.h], [], [
973 LIBS="$llvm_cv_old_LIBS"
974 AC_SUBST(USE_OPROFILE, [0])
977 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
978 [Define if we have the oprofile JIT-support library])
980 dnl===-----------------------------------------------------------------------===
982 dnl=== SECTION 6: Check for header files
984 dnl===-----------------------------------------------------------------------===
986 dnl First, use autoconf provided macros for specific headers that we need
987 dnl We don't check for ancient stuff or things that are guaranteed to be there
988 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
989 dnl Generally we're looking for POSIX headers.
991 AC_HEADER_MMAP_ANONYMOUS
997 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
998 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
999 AC_CHECK_HEADERS([utime.h windows.h])
1000 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1001 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1002 if test "$ENABLE_THREADS" -eq 1 ; then
1003 AC_CHECK_HEADERS(pthread.h,
1004 AC_SUBST(HAVE_PTHREAD, 1),
1005 AC_SUBST(HAVE_PTHREAD, 0))
1007 AC_SUBST(HAVE_PTHREAD, 0)
1010 dnl Try to find ffi.h.
1011 if test "$llvm_cv_enable_libffi" = "yes" ; then
1012 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1015 dnl===-----------------------------------------------------------------------===
1017 dnl=== SECTION 7: Check for types and structures
1019 dnl===-----------------------------------------------------------------------===
1026 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1027 AC_CHECK_TYPES([uint64_t],,
1028 AC_CHECK_TYPES([u_int64_t],,
1029 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1031 dnl===-----------------------------------------------------------------------===
1033 dnl=== SECTION 8: Check for specific functions needed
1035 dnl===-----------------------------------------------------------------------===
1037 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1038 AC_CHECK_FUNCS([powf fmodf strtof round ])
1039 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1040 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1041 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1042 AC_CHECK_FUNCS([strerror strerror_r strerror_s ])
1043 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1044 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1049 dnl Check for variations in the Standard C++ library and STL. These macros are
1050 dnl provided by LLVM in the autoconf/m4 directory.
1051 AC_CXX_HAVE_STD_ITERATOR
1052 AC_CXX_HAVE_BI_ITERATOR
1053 AC_CXX_HAVE_FWD_ITERATOR
1057 dnl Check for mmap support.We also need to know if /dev/zero is required to
1058 dnl be opened for allocating RWX memory.
1059 dnl Make sure we aren't attempting to configure for an unknown system
1060 if test "$llvm_cv_platform_type" = "Unix" ; then
1063 AC_NEED_DEV_ZERO_FOR_MMAP
1065 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1067 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1069 if test "$ac_cv_func_mmap_file" = "no"
1071 AC_MSG_WARN([mmap() of files required but not found])
1075 dnl atomic builtins are required for threading support.
1076 AC_MSG_CHECKING(for GCC atomic builtins)
1080 volatile unsigned long val = 1;
1081 __sync_synchronize();
1082 __sync_val_compare_and_swap(&val, 1, 0);
1083 __sync_add_and_fetch(&val, 1);
1084 __sync_sub_and_fetch(&val, 1);
1089 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1091 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1092 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1095 dnl===-----------------------------------------------------------------------===
1097 dnl=== SECTION 9: Additional checks, variables, etc.
1099 dnl===-----------------------------------------------------------------------===
1101 dnl Check, whether __dso_handle is present
1102 AC_CHECK_FUNCS([__dso_handle])
1104 dnl See if the llvm-gcc executable can compile to LLVM assembly
1105 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1106 [llvm_cv_llvmgcc_sanity="no"
1107 if test -x "$LLVMGCC" ; then
1108 cp /dev/null conftest.c
1109 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1110 grep 'target datalayout =' > /dev/null 2>&1
1111 if test $? -eq 0 ; then
1112 llvm_cv_llvmgcc_sanity="yes"
1117 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1118 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1119 AC_MSG_CHECKING([llvm-gcc component support])
1120 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1121 AC_SUBST(LLVMCC1,$llvmcc1path)
1122 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1123 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1124 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1125 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1126 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
1127 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1128 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1129 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1130 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1131 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1132 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1133 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1137 dnl Propagate the shared library extension that the libltdl checks did to
1138 dnl the Makefiles so we can use it there too
1139 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1141 # Translate the various configuration directories and other basic
1142 # information into substitutions that will end up in Makefile.config.in
1143 # that these configured values can be used by the makefiles
1144 if test "${prefix}" = "NONE" ; then
1147 eval LLVM_PREFIX="${prefix}";
1148 eval LLVM_BINDIR="${prefix}/bin";
1149 eval LLVM_LIBDIR="${prefix}/lib";
1150 eval LLVM_DATADIR="${prefix}/share/llvm";
1151 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1152 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1153 eval LLVM_INCLUDEDIR="${prefix}/include";
1154 eval LLVM_INFODIR="${prefix}/info";
1155 eval LLVM_MANDIR="${prefix}/man";
1156 LLVM_CONFIGTIME=`date`
1157 AC_SUBST(LLVM_PREFIX)
1158 AC_SUBST(LLVM_BINDIR)
1159 AC_SUBST(LLVM_LIBDIR)
1160 AC_SUBST(LLVM_DATADIR)
1161 AC_SUBST(LLVM_DOCSDIR)
1162 AC_SUBST(LLVM_ETCDIR)
1163 AC_SUBST(LLVM_INCLUDEDIR)
1164 AC_SUBST(LLVM_INFODIR)
1165 AC_SUBST(LLVM_MANDIR)
1166 AC_SUBST(LLVM_CONFIGTIME)
1168 # Place the various directores into the config.h file as #defines so that we
1169 # can know about the installation paths within LLVM.
1170 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1171 [Installation prefix directory])
1172 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1173 [Installation directory for binary executables])
1174 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1175 [Installation directory for libraries])
1176 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1177 [Installation directory for data files])
1178 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1179 [Installation directory for documentation])
1180 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1181 [Installation directory for config files])
1182 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1183 [Installation directory for include files])
1184 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1185 [Installation directory for .info files])
1186 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1187 [Installation directory for man pages])
1188 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1189 [Time at which LLVM was configured])
1190 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1191 [Host triple we were built on])
1193 # Determine which bindings to build.
1194 if test "$BINDINGS_TO_BUILD" = auto ; then
1195 BINDINGS_TO_BUILD=""
1196 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1197 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1200 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1202 # This isn't really configurey, but it avoids having to repeat the list in
1204 AC_SUBST(ALL_BINDINGS,ocaml)
1206 # Do any work necessary to ensure that bindings have what they need.
1207 binding_prereqs_failed=0
1208 for a_binding in $BINDINGS_TO_BUILD ; do
1209 case "$a_binding" in
1211 if test "x$OCAMLC" = x ; then
1212 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1213 binding_prereqs_failed=1
1215 if test "x$OCAMLDEP" = x ; then
1216 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1217 binding_prereqs_failed=1
1219 if test "x$OCAMLOPT" = x ; then
1220 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1221 dnl ocamlopt is optional!
1223 if test "x$with_ocaml_libdir" != xauto ; then
1224 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1226 ocaml_stdlib="`"$OCAMLC" -where`"
1227 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1229 # ocaml stdlib is beneath our prefix; use stdlib
1230 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1232 # ocaml stdlib is outside our prefix; use libdir/ocaml
1233 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1239 if test "$binding_prereqs_failed" = 1 ; then
1240 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1243 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1244 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1246 dnl Determine linker rpath flag
1247 if test "$llvm_cv_link_use_r" = "yes" ; then
1254 dnl Determine linker rdynamic flag
1255 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1256 RDYNAMIC="-Wl,-export-dynamic"
1262 dnl===-----------------------------------------------------------------------===
1264 dnl=== SECTION 10: Specify the output files and generate it
1266 dnl===-----------------------------------------------------------------------===
1268 dnl Configure header files
1269 dnl WARNING: dnl If you add or remove any of the following config headers, then
1270 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1271 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1272 dnl files can be updated automatically when their *.in sources change.
1273 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1274 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1275 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1276 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1277 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1278 AC_CONFIG_HEADERS([include/llvm/ADT/iterator.h])
1280 dnl Configure the makefile's configuration data
1281 AC_CONFIG_FILES([Makefile.config])
1283 dnl Configure the RPM spec file for LLVM
1284 AC_CONFIG_FILES([llvm.spec])
1286 dnl Configure doxygen's configuration file
1287 AC_CONFIG_FILES([docs/doxygen.cfg])
1289 dnl Configure llvmc's Base plugin
1290 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1292 dnl Do the first stage of configuration for llvm-config.in.
1293 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1295 dnl Do special configuration of Makefiles
1296 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1297 AC_CONFIG_MAKEFILE(Makefile)
1298 AC_CONFIG_MAKEFILE(Makefile.common)
1299 AC_CONFIG_MAKEFILE(examples/Makefile)
1300 AC_CONFIG_MAKEFILE(lib/Makefile)
1301 AC_CONFIG_MAKEFILE(runtime/Makefile)
1302 AC_CONFIG_MAKEFILE(test/Makefile)
1303 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1304 AC_CONFIG_MAKEFILE(unittests/Makefile)
1305 AC_CONFIG_MAKEFILE(tools/Makefile)
1306 AC_CONFIG_MAKEFILE(utils/Makefile)
1307 AC_CONFIG_MAKEFILE(projects/Makefile)
1308 AC_CONFIG_MAKEFILE(bindings/Makefile)
1309 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1311 dnl Finally, crank out the output