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,--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="-Wl,--whole-archive"
180 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
181 llvm_cv_os_type="Freestanding"
182 llvm_cv_platform_type="Unix" ;;
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="Freestanding"
187 llvm_cv_platform_type="Unix" ;;
189 llvm_cv_link_all_option=""
190 llvm_cv_no_link_all_option=""
191 llvm_cv_os_type="Unknown"
192 llvm_cv_platform_type="Unknown" ;;
195 AC_CACHE_CHECK([type of operating system we're going to target],
196 [llvm_cv_target_os_type],
199 llvm_cv_target_os_type="AIX" ;;
201 llvm_cv_target_os_type="IRIX" ;;
203 llvm_cv_target_os_type="Cygwin" ;;
205 llvm_cv_target_os_type="Darwin" ;;
207 llvm_cv_target_os_type="FreeBSD" ;;
209 llvm_cv_target_os_type="OpenBSD" ;;
211 llvm_cv_target_os_type="NetBSD" ;;
213 llvm_cv_target_os_type="DragonFly" ;;
215 llvm_cv_target_os_type="HP-UX" ;;
217 llvm_cv_target_os_type="Interix" ;;
219 llvm_cv_target_os_type="Linux" ;;
221 llvm_cv_target_os_type="SunOS" ;;
223 llvm_cv_target_os_type="Win32" ;;
225 llvm_cv_target_os_type="MingW" ;;
227 llvm_cv_target_os_type="Freestanding" ;;
229 llvm_cv_target_os_type="Unknown" ;;
232 dnl Make sure we aren't attempting to configure for an unknown system
233 if test "$llvm_cv_os_type" = "Unknown" ; then
234 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
237 dnl Set the "OS" Makefile variable based on the platform type so the
238 dnl makefile can configure itself to specific build hosts
239 AC_SUBST(OS,$llvm_cv_os_type)
240 AC_SUBST(HOST_OS,$llvm_cv_os_type)
241 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
243 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
244 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
245 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
247 dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type
248 dnl This is used by lib/System to determine the basic kind of implementation
250 case $llvm_cv_platform_type in
252 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
253 AC_SUBST(LLVM_ON_UNIX,[1])
254 AC_SUBST(LLVM_ON_WIN32,[0])
257 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
258 AC_SUBST(LLVM_ON_UNIX,[0])
259 AC_SUBST(LLVM_ON_WIN32,[1])
263 dnl Determine what our target architecture is and configure accordingly.
264 dnl This will allow Makefiles to make a distinction between the hardware and
266 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
268 i?86-*) llvm_cv_target_arch="x86" ;;
269 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
270 sparc*-*) llvm_cv_target_arch="Sparc" ;;
271 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
272 alpha*-*) llvm_cv_target_arch="Alpha" ;;
273 arm*-*) llvm_cv_target_arch="ARM" ;;
274 mips-*) llvm_cv_target_arch="Mips" ;;
275 pic16-*) llvm_cv_target_arch="PIC16" ;;
276 xcore-*) llvm_cv_target_arch="XCore" ;;
277 msp430-*) llvm_cv_target_arch="MSP430" ;;
278 s390x-*) llvm_cv_target_arch="SystemZ" ;;
279 bfin-*) llvm_cv_target_arch="Blackfin" ;;
280 *) llvm_cv_target_arch="Unknown" ;;
283 if test "$llvm_cv_target_arch" = "Unknown" ; then
284 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
287 # Determine the LLVM native architecture for the target
288 case "$llvm_cv_target_arch" in
289 x86) LLVM_NATIVE_ARCH="X86" ;;
290 x86_64) LLVM_NATIVE_ARCH="X86" ;;
291 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
294 dnl Define a substitution, ARCH, for the target architecture
295 AC_SUBST(ARCH,$llvm_cv_target_arch)
297 dnl Check for the endianness of the target
298 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
300 dnl Check for build platform executable suffix if we're crosscompiling
301 if test "$cross_compiling" = yes; then
302 AC_SUBST(LLVM_CROSS_COMPILING, [1])
304 ac_build_prefix=${build_alias}-
305 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
306 if test -z "$BUILD_CXX"; then
307 AC_CHECK_PROG(BUILD_CXX, g++, g++)
308 if test -z "$BUILD_CXX"; then
309 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
313 AC_SUBST(LLVM_CROSS_COMPILING, [0])
316 dnl Check to see if there's a "CVS" (or .svn or .git) directory indicating
317 dnl that this build is being done from a checkout. This sets up several
318 dnl defaults for the command line switches. When we build with a CVS directory,
319 dnl we get a debug with assertions turned on. Without, we assume a source
320 dnl release and we get an optimized build without assertions.
321 dnl See --enable-optimized and --enable-assertions below
322 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
325 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
331 dnl===-----------------------------------------------------------------------===
333 dnl=== SECTION 3: Command line arguments for the configure script.
335 dnl===-----------------------------------------------------------------------===
337 dnl --enable-optimized : check whether they want to do an optimized build:
338 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
339 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
340 if test ${enableval} = "no" ; then
341 AC_SUBST(ENABLE_OPTIMIZED,[[]])
343 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
346 dnl --enable-profiling : check whether they want to do a profile build:
347 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
348 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
349 if test ${enableval} = "no" ; then
350 AC_SUBST(ENABLE_PROFILING,[[]])
352 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
355 dnl --enable-assertions : check whether they want to turn on assertions or not:
356 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
357 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
358 if test ${enableval} = "yes" ; then
359 AC_SUBST(DISABLE_ASSERTIONS,[[]])
361 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
364 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
365 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
366 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
367 if test ${enableval} = "yes" ; then
368 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
369 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
371 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
372 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
375 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
376 AC_ARG_ENABLE(debug-runtime,
377 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
378 if test ${enableval} = "no" ; then
379 AC_SUBST(DEBUG_RUNTIME,[[]])
381 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
384 dnl --enable-jit: check whether they want to enable the jit
386 AS_HELP_STRING(--enable-jit,
387 [Enable Just In Time Compiling (default is YES)]),,
389 if test ${enableval} = "no"
393 case "$llvm_cv_target_arch" in
394 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
395 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
396 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
397 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
398 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
399 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
400 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
401 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
402 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
403 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
404 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
405 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
406 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
410 dnl Allow enablement of doxygen generated documentation
411 AC_ARG_ENABLE(doxygen,
412 AS_HELP_STRING([--enable-doxygen],
413 [Build doxygen documentation (default is NO)]),,
416 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
417 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
418 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
419 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
422 dnl Allow disablement of threads
423 AC_ARG_ENABLE(threads,
424 AS_HELP_STRING([--enable-threads],
425 [Use threads if available (default is YES)]),,
428 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
429 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
430 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
431 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
433 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
435 dnl Allow building without position independent code
437 AS_HELP_STRING([--enable-pic],
438 [Build LLVM with Position Independent Code (default is YES)]),,
441 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
442 no) AC_SUBST(ENABLE_PIC,[0]) ;;
443 default) AC_SUBST(ENABLE_PIC,[1]) ;;
444 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
446 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
447 [Define if position independent code is enabled])
449 dnl Allow specific targets to be specified for building (or not)
451 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
452 [Build specific host targets: all or target1,target2,... Valid targets are:
453 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu, pic16,
454 xcore, msp430, systemz, blackfin, cbe, msil, and cpp (default=all)]),,
456 if test "$enableval" = host-only ; then
460 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend" ;;
461 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
463 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
464 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
465 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
466 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
467 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
468 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
469 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
470 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
471 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
472 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
473 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
474 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
475 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
476 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
477 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
478 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
479 host) case "$llvm_cv_target_arch" in
480 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
481 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
482 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
483 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
484 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
485 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
486 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
487 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
488 PIC16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
489 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
490 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
491 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
492 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
493 *) AC_MSG_ERROR([Can not set target to build]) ;;
495 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
500 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
502 # Determine whether we are building LLVM support for the native architecture.
503 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
504 for a_target in $TARGETS_TO_BUILD; do
505 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
506 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
507 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
508 [LLVM architecture name for the native architecture, if available])
512 # Build the LLVM_TARGET and LLVM_ASM_PRINTER macro uses for
513 # Targets.def, AsmPrinters.def, and AsmParsers.def.
515 LLVM_ENUM_ASM_PRINTERS=""
516 LLVM_ENUM_ASM_PARSERS=""
517 for target_to_build in $TARGETS_TO_BUILD; do
518 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
519 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
520 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
522 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
523 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
526 AC_SUBST(LLVM_ENUM_TARGETS)
527 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
528 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
530 dnl Prevent the CBackend from using printf("%a") for floating point so older
531 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
532 dnl can still compile the CBE's output
533 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
534 [Enable C Backend output with hex floating point via %a (default is YES)]),,
537 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
538 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
539 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
540 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
542 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
543 [Define if CBE is enabled for printf %a output])
545 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
546 AC_ARG_WITH(llvmgccdir,
547 AS_HELP_STRING([--with-llvmgccdir],
548 [Specify location of llvm-gcc install dir (default searches PATH)]),,
551 default) WITH_LLVMGCCDIR=default ;;
552 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
553 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
556 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
558 AS_HELP_STRING([--with-llvmgcc],
559 [Specify location of llvm-gcc driver (default searches PATH)]),
560 LLVMGCC=$with_llvmgcc
563 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
565 AS_HELP_STRING([--with-llvmgxx],
566 [Specify location of llvm-g++ driver (default searches PATH)]),
567 LLVMGXX=$with_llvmgxx
570 if test -n "$LLVMGCC"; then
571 LLVMGCCCOMMAND="$LLVMGCC"
574 if test -n "$LLVMGXX"; then
575 LLVMGXXCOMMAND="$LLVMGXX"
578 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
579 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
582 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
583 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
586 dnl Specify extra build options
587 AC_ARG_WITH(extra-options,
588 AS_HELP_STRING([--with-extra-options],
589 [Specify additional options to compile LLVM with]),,
592 default) EXTRA_OPTIONS= ;;
593 *) EXTRA_OPTIONS=$withval ;;
595 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
597 dnl Allow specific bindings to be specified for building (or not)
598 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
599 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
603 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
604 all ) BINDINGS_TO_BUILD="ocaml" ;;
605 none | no) BINDINGS_TO_BUILD="" ;;
606 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
608 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
609 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
615 dnl Allow the ocaml libdir to be overridden. This could go in a configure
616 dnl script for bindings/ocaml/configure, except that its auto value depends on
617 dnl OCAMLC, which is found here to support tests.
618 AC_ARG_WITH([ocaml-libdir],
619 [AS_HELP_STRING([--with-ocaml-libdir],
620 [Specify install location for ocaml bindings (default is stdlib)])],
624 auto) with_ocaml_libdir="$withval" ;;
625 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
626 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
629 dnl Allow linking of LLVM with GPLv3 binutils code.
630 AC_ARG_WITH(binutils-include,
631 AS_HELP_STRING([--with-binutils-include],
632 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
635 default) WITH_BINUTILS_INCDIR=default ;;
636 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
637 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
639 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
640 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
641 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
642 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
643 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
647 dnl --enable-libffi : check whether the user wants to turn off libffi:
648 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
649 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
652 yes) llvm_cv_enable_libffi="yes" ;;
653 no) llvm_cv_enable_libffi="no" ;;
654 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
657 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
658 if test "$llvm_cv_os_type" = "Win32" ; then
664 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
665 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
666 --enable-llvmc-dynamic,
667 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
668 enableval=$llvmc_dynamic)
669 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
670 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
672 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
675 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
676 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
677 --enable-llvmc-dynamic-plugins,
678 [Enable dynamic LLVMC plugins (default is YES)]),,
680 if test ${enableval} = "yes" ; then
681 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
683 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
686 dnl===-----------------------------------------------------------------------===
688 dnl=== SECTION 4: Check for programs we need and that they are the right version
690 dnl===-----------------------------------------------------------------------===
692 dnl Check for compilation tools
700 dnl Check for the tools that the makefiles require
703 AC_PATH_PROG(CMP, [cmp], [cmp])
704 AC_PATH_PROG(CP, [cp], [cp])
705 AC_PATH_PROG(DATE, [date], [date])
706 AC_PATH_PROG(FIND, [find], [find])
707 AC_PATH_PROG(GREP, [grep], [grep])
708 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
709 AC_PATH_PROG(MV, [mv], [mv])
711 AC_PATH_PROG(RM, [rm], [rm])
712 AC_PATH_PROG(SED, [sed], [sed])
713 AC_PATH_PROG(TAR, [tar], [gtar])
714 AC_PATH_PROG(BINPWD,[pwd], [pwd])
716 dnl Looking for misc. graph plotting software
717 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
718 if test "$GRAPHVIZ" != "echo Graphviz" ; then
719 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
720 dnl If we're targeting for mingw we should emit windows paths, not msys
721 if test "$llvm_cv_os_type" = "MingW" ; then
722 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
724 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
725 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
727 AC_PATH_PROG(DOT, [dot], [echo dot])
728 if test "$DOT" != "echo dot" ; then
729 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
730 dnl If we're targeting for mingw we should emit windows paths, not msys
731 if test "$llvm_cv_os_type" = "MingW" ; then
732 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
734 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
735 [Define to path to dot program if found or 'echo dot' otherwise])
737 AC_PATH_PROG(FDP, [fdp], [echo fdp])
738 if test "$FDP" != "echo fdp" ; then
739 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
740 dnl If we're targeting for mingw we should emit windows paths, not msys
741 if test "$llvm_cv_os_type" = "MingW" ; then
742 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
744 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
745 [Define to path to fdp program if found or 'echo fdp' otherwise])
747 AC_PATH_PROG(NEATO, [neato], [echo neato])
748 if test "$NEATO" != "echo neato" ; then
749 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
750 dnl If we're targeting for mingw we should emit windows paths, not msys
751 if test "$llvm_cv_os_type" = "MingW" ; then
752 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
754 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
755 [Define to path to neato program if found or 'echo neato' otherwise])
757 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
758 if test "$TWOPI" != "echo twopi" ; then
759 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
760 dnl If we're targeting for mingw we should emit windows paths, not msys
761 if test "$llvm_cv_os_type" = "MingW" ; then
762 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
764 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
765 [Define to path to twopi program if found or 'echo twopi' otherwise])
767 AC_PATH_PROG(CIRCO, [circo], [echo circo])
768 if test "$CIRCO" != "echo circo" ; then
769 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
770 dnl If we're targeting for mingw we should emit windows paths, not msys
771 if test "$llvm_cv_os_type" = "MingW" ; then
772 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
774 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
775 [Define to path to circo program if found or 'echo circo' otherwise])
777 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
778 if test "$GV" != "echo gv" ; then
779 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
780 dnl If we're targeting for mingw we should emit windows paths, not msys
781 if test "$llvm_cv_os_type" = "MingW" ; then
782 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
784 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
785 [Define to path to gv program if found or 'echo gv' otherwise])
787 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
788 if test "$DOTTY" != "echo dotty" ; then
789 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
790 dnl If we're targeting for mingw we should emit windows paths, not msys
791 if test "$llvm_cv_os_type" = "MingW" ; then
792 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
794 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
795 [Define to path to dotty program if found or 'echo dotty' otherwise])
798 dnl Look for a sufficiently recent version of Perl.
799 LLVM_PROG_PERL([5.006])
801 if test x"$PERL" = xnone; then
802 AC_SUBST(HAVE_PERL,0)
803 AC_MSG_ERROR([perl is required but was not found, please install it])
805 AC_SUBST(HAVE_PERL,1)
808 dnl Find the install program
811 dnl Checks for documentation and testing tools that we can do without. If these
812 dnl are not found then they are set to "true" which always succeeds but does
813 dnl nothing. This just lets the build output show that we could have done
814 dnl something if the tool was available.
815 AC_PATH_PROG(BZIP2, [bzip2])
816 AC_PATH_PROG(DOXYGEN, [doxygen])
817 AC_PATH_PROG(GROFF, [groff])
818 AC_PATH_PROG(GZIP, [gzip])
819 AC_PATH_PROG(POD2HTML, [pod2html])
820 AC_PATH_PROG(POD2MAN, [pod2man])
821 AC_PATH_PROG(RUNTEST, [runtest])
823 AC_PATH_PROG(ZIP, [zip])
824 AC_PATH_PROGS(OCAMLC, [ocamlc])
825 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
826 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
827 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
828 AC_PATH_PROGS(GAS, [gas as])
830 dnl Determine whether the linker supports the -R option.
833 dnl Determine whether the linker supports the -export-dynamic option.
834 AC_LINK_EXPORT_DYNAMIC
836 dnl Check for libtool and the library that has dlopen function (which must come
837 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
843 if test "$lt_cv_dlopen_self" = "yes" ; then
844 AC_DEFINE([CAN_DLOPEN_SELF],[1],
845 [Define if dlopen(0) will open the symbols of the program])
849 if test "$WITH_LLVMGCCDIR" = "default" ; then
850 LLVMGCC="llvm-gcc${EXEEXT}"
851 LLVMGXX="llvm-g++${EXEEXT}"
852 LLVMGCCCOMMAND="$LLVMGCC"
853 LLVMGXXCOMMAND="$LLVMGXX"
854 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
855 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
856 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
857 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
859 if test -z "$LLVMGCC"; then
860 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
861 LLVMGCCCOMMAND="$LLVMGCC"
863 if test -z "$LLVMGXX"; then
864 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
865 LLVMGXXCOMMAND="$LLVMGXX"
868 AC_SUBST(LLVMGCC,$LLVMGCC)
869 AC_SUBST(LLVMGXX,$LLVMGXX)
870 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
871 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
875 AC_MSG_CHECKING([tool compatibility])
877 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
878 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
879 dnl to support those options.
880 dnl "icc" emits gcc signatures
881 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
893 if test "$GCC" != "yes" && test "$ICC" != "yes"
895 AC_MSG_ERROR([gcc|icc required but not found])
898 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
899 if test "$GXX" != "yes" && test "$IXX" != "yes"
901 AC_MSG_ERROR([g++|icc required but not found])
904 dnl Verify that GCC is version 3.0 or higher
905 if test "$GCC" = "yes"
907 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
908 #error Unsupported GCC version
910 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
913 dnl Check for GNU Make. We use its extensions, so don't build without it
914 if test -z "$llvm_cv_gnu_make_command"
916 AC_MSG_ERROR([GNU Make required but not found])
919 dnl Tool compatibility is okay if we make it here.
922 dnl===-----------------------------------------------------------------------===
924 dnl=== SECTION 5: Check for libraries
926 dnl===-----------------------------------------------------------------------===
929 if test "$llvm_cv_os_type" = "MingW" ; then
930 AC_CHECK_LIB(imagehlp, main)
931 AC_CHECK_LIB(psapi, main)
934 dnl dlopen() is required for plugin support.
935 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
936 [Define if dlopen() is available on this platform.]),
937 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
939 dnl libffi is optional; used to call external functions from the interpreter
940 if test "$llvm_cv_enable_libffi" = "yes" ; then
941 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
942 [Define if libffi is available on this platform.]),
943 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
946 dnl mallinfo is optional; the code can compile (minus features) without it
947 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
948 [Define if mallinfo() is available on this platform.]))
950 dnl pthread locking functions are optional - but llvm will not be thread-safe
952 if test "$ENABLE_THREADS" -eq 1 ; then
953 AC_CHECK_LIB(pthread,pthread_mutex_init)
954 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
955 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
956 [Have pthread_mutex_lock]))
957 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
958 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
959 [Have pthread_rwlock_init]))
960 AC_SEARCH_LIBS(pthread_getspecific,pthread,
961 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
962 [Have pthread_getspecific]))
965 dnl Allow extra x86-disassembler library
967 AS_HELP_STRING([--with-udis86=<path>],
968 [Use udis86 external x86 disassembler library]),
970 AC_SUBST(USE_UDIS86, [1])
973 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
975 AC_CHECK_LIB(udis86, ud_init, [], [
976 echo "Error! You need to have libudis86 around."
980 AC_SUBST(USE_UDIS86, [0]))
981 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
982 [Define if use udis86 library])
984 dnl Allow OProfile support for JIT output.
985 AC_ARG_WITH(oprofile,
986 AS_HELP_STRING([--with-oprofile=<prefix>],
987 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
989 AC_SUBST(USE_OPROFILE, [1])
991 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
992 *) llvm_cv_oppath="${withval}/lib/oprofile"
993 CPPFLAGS="-I${withval}/include";;
995 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
996 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
997 echo "Error! You need to have libopagent around."
1000 AC_CHECK_HEADER([opagent.h], [], [
1001 echo "Error! You need to have opagent.h around."
1006 llvm_cv_old_LIBS="$LIBS"
1007 LIBS="$LIBS -L/usr/lib/oprofile -Wl,-rpath,/usr/lib/oprofile"
1008 dnl If either the library or header aren't present, omit oprofile support.
1009 AC_SEARCH_LIBS(op_open_agent, opagent,
1010 [AC_SUBST(USE_OPROFILE, [1])],
1011 [LIBS="$llvm_cv_old_LIBS"
1012 AC_SUBST(USE_OPROFILE, [0])])
1013 AC_CHECK_HEADER([opagent.h], [], [
1014 LIBS="$llvm_cv_old_LIBS"
1015 AC_SUBST(USE_OPROFILE, [0])
1018 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1019 [Define if we have the oprofile JIT-support library])
1021 dnl===-----------------------------------------------------------------------===
1023 dnl=== SECTION 6: Check for header files
1025 dnl===-----------------------------------------------------------------------===
1027 dnl First, use autoconf provided macros for specific headers that we need
1028 dnl We don't check for ancient stuff or things that are guaranteed to be there
1029 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1030 dnl Generally we're looking for POSIX headers.
1032 AC_HEADER_MMAP_ANONYMOUS
1038 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1039 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1040 AC_CHECK_HEADERS([utime.h windows.h])
1041 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1042 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1043 if test "$ENABLE_THREADS" -eq 1 ; then
1044 AC_CHECK_HEADERS(pthread.h,
1045 AC_SUBST(HAVE_PTHREAD, 1),
1046 AC_SUBST(HAVE_PTHREAD, 0))
1048 AC_SUBST(HAVE_PTHREAD, 0)
1051 dnl Try to find ffi.h.
1052 if test "$llvm_cv_enable_libffi" = "yes" ; then
1053 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1056 dnl===-----------------------------------------------------------------------===
1058 dnl=== SECTION 7: Check for types and structures
1060 dnl===-----------------------------------------------------------------------===
1067 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1068 AC_CHECK_TYPES([uint64_t],,
1069 AC_CHECK_TYPES([u_int64_t],,
1070 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1072 dnl===-----------------------------------------------------------------------===
1074 dnl=== SECTION 8: Check for specific functions needed
1076 dnl===-----------------------------------------------------------------------===
1078 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1079 AC_CHECK_FUNCS([powf fmodf strtof round ])
1080 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1081 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1082 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1083 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1084 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1085 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1087 dnl FIXME: This is no longer used, please remove (but test)!!!
1091 dnl Check for variations in the Standard C++ library and STL. These macros are
1092 dnl provided by LLVM in the autoconf/m4 directory.
1093 AC_CXX_HAVE_STD_ITERATOR
1094 AC_CXX_HAVE_BI_ITERATOR
1095 AC_CXX_HAVE_FWD_ITERATOR
1099 dnl Check for mmap support.We also need to know if /dev/zero is required to
1100 dnl be opened for allocating RWX memory.
1101 dnl Make sure we aren't attempting to configure for an unknown system
1102 if test "$llvm_cv_platform_type" = "Unix" ; then
1105 AC_NEED_DEV_ZERO_FOR_MMAP
1107 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1109 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1111 if test "$ac_cv_func_mmap_file" = "no"
1113 AC_MSG_WARN([mmap() of files required but not found])
1117 dnl atomic builtins are required for threading support.
1118 AC_MSG_CHECKING(for GCC atomic builtins)
1122 volatile unsigned long val = 1;
1123 __sync_synchronize();
1124 __sync_val_compare_and_swap(&val, 1, 0);
1125 __sync_add_and_fetch(&val, 1);
1126 __sync_sub_and_fetch(&val, 1);
1131 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1133 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1134 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1137 dnl===-----------------------------------------------------------------------===
1139 dnl=== SECTION 9: Additional checks, variables, etc.
1141 dnl===-----------------------------------------------------------------------===
1143 dnl Check, whether __dso_handle is present
1144 AC_CHECK_FUNCS([__dso_handle])
1146 dnl See if the llvm-gcc executable can compile to LLVM assembly
1147 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1148 [llvm_cv_llvmgcc_sanity="no"
1149 if test -x "$LLVMGCC" ; then
1150 cp /dev/null conftest.c
1151 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1152 grep 'target datalayout =' > /dev/null 2>&1
1153 if test $? -eq 0 ; then
1154 llvm_cv_llvmgcc_sanity="yes"
1159 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1160 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1161 AC_MSG_CHECKING([llvm-gcc component support])
1162 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1163 AC_SUBST(LLVMCC1,$llvmcc1path)
1164 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1165 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1166 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1167 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1168 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
1169 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1170 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1171 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1172 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1173 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1174 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1175 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1179 dnl Propagate the shared library extension that the libltdl checks did to
1180 dnl the Makefiles so we can use it there too
1181 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1183 # Translate the various configuration directories and other basic
1184 # information into substitutions that will end up in Makefile.config.in
1185 # that these configured values can be used by the makefiles
1186 if test "${prefix}" = "NONE" ; then
1189 eval LLVM_PREFIX="${prefix}";
1190 eval LLVM_BINDIR="${prefix}/bin";
1191 eval LLVM_LIBDIR="${prefix}/lib";
1192 eval LLVM_DATADIR="${prefix}/share/llvm";
1193 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1194 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1195 eval LLVM_INCLUDEDIR="${prefix}/include";
1196 eval LLVM_INFODIR="${prefix}/info";
1197 eval LLVM_MANDIR="${prefix}/man";
1198 LLVM_CONFIGTIME=`date`
1199 AC_SUBST(LLVM_PREFIX)
1200 AC_SUBST(LLVM_BINDIR)
1201 AC_SUBST(LLVM_LIBDIR)
1202 AC_SUBST(LLVM_DATADIR)
1203 AC_SUBST(LLVM_DOCSDIR)
1204 AC_SUBST(LLVM_ETCDIR)
1205 AC_SUBST(LLVM_INCLUDEDIR)
1206 AC_SUBST(LLVM_INFODIR)
1207 AC_SUBST(LLVM_MANDIR)
1208 AC_SUBST(LLVM_CONFIGTIME)
1210 # Place the various directores into the config.h file as #defines so that we
1211 # can know about the installation paths within LLVM.
1212 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1213 [Installation prefix directory])
1214 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1215 [Installation directory for binary executables])
1216 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1217 [Installation directory for libraries])
1218 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1219 [Installation directory for data files])
1220 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1221 [Installation directory for documentation])
1222 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1223 [Installation directory for config files])
1224 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1225 [Installation directory for include files])
1226 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1227 [Installation directory for .info files])
1228 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1229 [Installation directory for man pages])
1230 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1231 [Time at which LLVM was configured])
1232 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1233 [Host triple we were built on])
1235 # Determine which bindings to build.
1236 if test "$BINDINGS_TO_BUILD" = auto ; then
1237 BINDINGS_TO_BUILD=""
1238 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1239 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1242 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1244 # This isn't really configurey, but it avoids having to repeat the list in
1246 AC_SUBST(ALL_BINDINGS,ocaml)
1248 # Do any work necessary to ensure that bindings have what they need.
1249 binding_prereqs_failed=0
1250 for a_binding in $BINDINGS_TO_BUILD ; do
1251 case "$a_binding" in
1253 if test "x$OCAMLC" = x ; then
1254 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1255 binding_prereqs_failed=1
1257 if test "x$OCAMLDEP" = x ; then
1258 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1259 binding_prereqs_failed=1
1261 if test "x$OCAMLOPT" = x ; then
1262 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1263 dnl ocamlopt is optional!
1265 if test "x$with_ocaml_libdir" != xauto ; then
1266 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1268 ocaml_stdlib="`"$OCAMLC" -where`"
1269 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1271 # ocaml stdlib is beneath our prefix; use stdlib
1272 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1274 # ocaml stdlib is outside our prefix; use libdir/ocaml
1275 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1281 if test "$binding_prereqs_failed" = 1 ; then
1282 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1285 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1286 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1288 dnl Determine linker rpath flag
1289 if test "$llvm_cv_link_use_r" = "yes" ; then
1296 dnl Determine linker rdynamic flag
1297 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1298 RDYNAMIC="-Wl,-export-dynamic"
1304 dnl===-----------------------------------------------------------------------===
1306 dnl=== SECTION 10: Specify the output files and generate it
1308 dnl===-----------------------------------------------------------------------===
1310 dnl Configure header files
1311 dnl WARNING: dnl If you add or remove any of the following config headers, then
1312 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1313 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1314 dnl files can be updated automatically when their *.in sources change.
1315 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1316 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1317 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1318 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1319 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1321 dnl Configure the makefile's configuration data
1322 AC_CONFIG_FILES([Makefile.config])
1324 dnl Configure the RPM spec file for LLVM
1325 AC_CONFIG_FILES([llvm.spec])
1327 dnl Configure doxygen's configuration file
1328 AC_CONFIG_FILES([docs/doxygen.cfg])
1330 dnl Configure llvmc's Base plugin
1331 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1333 dnl Do the first stage of configuration for llvm-config.in.
1334 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1336 dnl Do special configuration of Makefiles
1337 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1338 AC_CONFIG_MAKEFILE(Makefile)
1339 AC_CONFIG_MAKEFILE(Makefile.common)
1340 AC_CONFIG_MAKEFILE(examples/Makefile)
1341 AC_CONFIG_MAKEFILE(lib/Makefile)
1342 AC_CONFIG_MAKEFILE(runtime/Makefile)
1343 AC_CONFIG_MAKEFILE(test/Makefile)
1344 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1345 AC_CONFIG_MAKEFILE(unittests/Makefile)
1346 AC_CONFIG_MAKEFILE(tools/Makefile)
1347 AC_CONFIG_MAKEFILE(utils/Makefile)
1348 AC_CONFIG_MAKEFILE(projects/Makefile)
1349 AC_CONFIG_MAKEFILE(bindings/Makefile)
1350 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1352 dnl Finally, crank out the output