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,host-only,{target-name} (default=all)]),,
455 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend" ;;
457 case "$llvm_cv_target_arch" in
458 x86) TARGETS_TO_BUILD="X86" ;;
459 x86_64) TARGETS_TO_BUILD="X86" ;;
460 Sparc) TARGETS_TO_BUILD="Sparc" ;;
461 PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
462 Alpha) TARGETS_TO_BUILD="Alpha" ;;
463 ARM) TARGETS_TO_BUILD="ARM" ;;
464 Mips) TARGETS_TO_BUILD="Mips" ;;
465 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU" ;;
466 PIC16) TARGETS_TO_BUILD="PIC16" ;;
467 XCore) TARGETS_TO_BUILD="XCore" ;;
468 MSP430) TARGETS_TO_BUILD="MSP430" ;;
469 SystemZ) TARGETS_TO_BUILD="SystemZ" ;;
470 Blackfin) TARGETS_TO_BUILD="Blackfin" ;;
471 *) AC_MSG_ERROR([Can not set target to build]) ;;
474 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
476 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
477 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
478 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
479 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
480 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
481 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
482 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
483 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
484 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
485 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
486 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
487 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
488 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
489 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
490 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
491 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
492 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
497 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
499 # Determine whether we are building LLVM support for the native architecture.
500 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
501 for a_target in $TARGETS_TO_BUILD; do
502 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
503 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
504 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
505 [LLVM architecture name for the native architecture, if available])
509 # Build the LLVM_TARGET and LLVM_ASM_PRINTER macro uses for
510 # Targets.def, AsmPrinters.def, and AsmParsers.def.
512 LLVM_ENUM_ASM_PRINTERS=""
513 LLVM_ENUM_ASM_PARSERS=""
514 for target_to_build in $TARGETS_TO_BUILD; do
515 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
516 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
517 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
519 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
520 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
523 AC_SUBST(LLVM_ENUM_TARGETS)
524 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
525 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
527 dnl Prevent the CBackend from using printf("%a") for floating point so older
528 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
529 dnl can still compile the CBE's output
530 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
531 [Enable C Backend output with hex floating point via %a (default is YES)]),,
534 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
535 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
536 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
537 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
539 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
540 [Define if CBE is enabled for printf %a output])
542 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
543 AC_ARG_WITH(llvmgccdir,
544 AS_HELP_STRING([--with-llvmgccdir],
545 [Specify location of llvm-gcc install dir (default searches PATH)]),,
548 default) WITH_LLVMGCCDIR=default ;;
549 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
550 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
553 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
555 AS_HELP_STRING([--with-llvmgcc],
556 [Specify location of llvm-gcc driver (default searches PATH)]),
557 LLVMGCC=$with_llvmgcc
560 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
562 AS_HELP_STRING([--with-llvmgxx],
563 [Specify location of llvm-g++ driver (default searches PATH)]),
564 LLVMGXX=$with_llvmgxx
567 if test -n "$LLVMGCC"; then
568 LLVMGCCCOMMAND="$LLVMGCC"
571 if test -n "$LLVMGXX"; then
572 LLVMGXXCOMMAND="$LLVMGXX"
575 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
576 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
579 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
580 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
583 dnl Specify extra build options
584 AC_ARG_WITH(extra-options,
585 AS_HELP_STRING([--with-extra-options],
586 [Specify additional options to compile LLVM with]),,
589 default) EXTRA_OPTIONS= ;;
590 *) EXTRA_OPTIONS=$withval ;;
592 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
594 dnl Allow specific bindings to be specified for building (or not)
595 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
596 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
600 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
601 all ) BINDINGS_TO_BUILD="ocaml" ;;
602 none | no) BINDINGS_TO_BUILD="" ;;
603 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
605 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
606 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
612 dnl Allow the ocaml libdir to be overridden. This could go in a configure
613 dnl script for bindings/ocaml/configure, except that its auto value depends on
614 dnl OCAMLC, which is found here to support tests.
615 AC_ARG_WITH([ocaml-libdir],
616 [AS_HELP_STRING([--with-ocaml-libdir],
617 [Specify install location for ocaml bindings (default is stdlib)])],
621 auto) with_ocaml_libdir="$withval" ;;
622 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
623 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
626 dnl Allow linking of LLVM with GPLv3 binutils code.
627 AC_ARG_WITH(binutils-include,
628 AS_HELP_STRING([--with-binutils-include],
629 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
632 default) WITH_BINUTILS_INCDIR=default ;;
633 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
634 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
636 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
637 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
638 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
639 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
640 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
644 dnl --enable-libffi : check whether the user wants to turn off libffi:
645 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
646 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
649 yes) llvm_cv_enable_libffi="yes" ;;
650 no) llvm_cv_enable_libffi="no" ;;
651 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
654 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
655 if test "$llvm_cv_os_type" = "Win32" ; then
661 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
662 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
663 --enable-llvmc-dynamic,
664 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
665 enableval=$llvmc_dynamic)
666 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
667 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
669 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
672 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
673 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
674 --enable-llvmc-dynamic-plugins,
675 [Enable dynamic LLVMC plugins (default is YES)]),,
677 if test ${enableval} = "yes" ; then
678 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
680 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
683 dnl===-----------------------------------------------------------------------===
685 dnl=== SECTION 4: Check for programs we need and that they are the right version
687 dnl===-----------------------------------------------------------------------===
689 dnl Check for compilation tools
697 dnl Check for the tools that the makefiles require
700 AC_PATH_PROG(CMP, [cmp], [cmp])
701 AC_PATH_PROG(CP, [cp], [cp])
702 AC_PATH_PROG(DATE, [date], [date])
703 AC_PATH_PROG(FIND, [find], [find])
704 AC_PATH_PROG(GREP, [grep], [grep])
705 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
706 AC_PATH_PROG(MV, [mv], [mv])
708 AC_PATH_PROG(RM, [rm], [rm])
709 AC_PATH_PROG(SED, [sed], [sed])
710 AC_PATH_PROG(TAR, [tar], [gtar])
711 AC_PATH_PROG(BINPWD,[pwd], [pwd])
713 dnl Looking for misc. graph plotting software
714 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
715 if test "$GRAPHVIZ" != "echo Graphviz" ; then
716 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
717 dnl If we're targeting for mingw we should emit windows paths, not msys
718 if test "$llvm_cv_os_type" = "MingW" ; then
719 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
721 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
722 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
724 AC_PATH_PROG(DOT, [dot], [echo dot])
725 if test "$DOT" != "echo dot" ; then
726 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
727 dnl If we're targeting for mingw we should emit windows paths, not msys
728 if test "$llvm_cv_os_type" = "MingW" ; then
729 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
731 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
732 [Define to path to dot program if found or 'echo dot' otherwise])
734 AC_PATH_PROG(FDP, [fdp], [echo fdp])
735 if test "$FDP" != "echo fdp" ; then
736 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
737 dnl If we're targeting for mingw we should emit windows paths, not msys
738 if test "$llvm_cv_os_type" = "MingW" ; then
739 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
741 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
742 [Define to path to fdp program if found or 'echo fdp' otherwise])
744 AC_PATH_PROG(NEATO, [neato], [echo neato])
745 if test "$NEATO" != "echo neato" ; then
746 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
747 dnl If we're targeting for mingw we should emit windows paths, not msys
748 if test "$llvm_cv_os_type" = "MingW" ; then
749 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
751 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
752 [Define to path to neato program if found or 'echo neato' otherwise])
754 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
755 if test "$TWOPI" != "echo twopi" ; then
756 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
757 dnl If we're targeting for mingw we should emit windows paths, not msys
758 if test "$llvm_cv_os_type" = "MingW" ; then
759 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
761 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
762 [Define to path to twopi program if found or 'echo twopi' otherwise])
764 AC_PATH_PROG(CIRCO, [circo], [echo circo])
765 if test "$CIRCO" != "echo circo" ; then
766 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
767 dnl If we're targeting for mingw we should emit windows paths, not msys
768 if test "$llvm_cv_os_type" = "MingW" ; then
769 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
771 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
772 [Define to path to circo program if found or 'echo circo' otherwise])
774 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
775 if test "$GV" != "echo gv" ; then
776 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
777 dnl If we're targeting for mingw we should emit windows paths, not msys
778 if test "$llvm_cv_os_type" = "MingW" ; then
779 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
781 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
782 [Define to path to gv program if found or 'echo gv' otherwise])
784 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
785 if test "$DOTTY" != "echo dotty" ; then
786 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
787 dnl If we're targeting for mingw we should emit windows paths, not msys
788 if test "$llvm_cv_os_type" = "MingW" ; then
789 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
791 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
792 [Define to path to dotty program if found or 'echo dotty' otherwise])
795 dnl Look for a sufficiently recent version of Perl.
796 LLVM_PROG_PERL([5.006])
798 if test x"$PERL" = xnone; then
799 AC_SUBST(HAVE_PERL,0)
800 AC_MSG_ERROR([perl is required but was not found, please install it])
802 AC_SUBST(HAVE_PERL,1)
805 dnl Find the install program
808 dnl Checks for documentation and testing tools that we can do without. If these
809 dnl are not found then they are set to "true" which always succeeds but does
810 dnl nothing. This just lets the build output show that we could have done
811 dnl something if the tool was available.
812 AC_PATH_PROG(BZIP2, [bzip2])
813 AC_PATH_PROG(DOXYGEN, [doxygen])
814 AC_PATH_PROG(GROFF, [groff])
815 AC_PATH_PROG(GZIP, [gzip])
816 AC_PATH_PROG(POD2HTML, [pod2html])
817 AC_PATH_PROG(POD2MAN, [pod2man])
818 AC_PATH_PROG(RUNTEST, [runtest])
820 AC_PATH_PROG(ZIP, [zip])
821 AC_PATH_PROGS(OCAMLC, [ocamlc])
822 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
823 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
824 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
825 AC_PATH_PROGS(GAS, [gas as])
827 dnl Determine whether the linker supports the -R option.
830 dnl Determine whether the linker supports the -export-dynamic option.
831 AC_LINK_EXPORT_DYNAMIC
833 dnl Check for libtool and the library that has dlopen function (which must come
834 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
840 if test "$lt_cv_dlopen_self" = "yes" ; then
841 AC_DEFINE([CAN_DLOPEN_SELF],[1],
842 [Define if dlopen(0) will open the symbols of the program])
846 if test "$WITH_LLVMGCCDIR" = "default" ; then
847 LLVMGCC="llvm-gcc${EXEEXT}"
848 LLVMGXX="llvm-g++${EXEEXT}"
849 LLVMGCCCOMMAND="$LLVMGCC"
850 LLVMGXXCOMMAND="$LLVMGXX"
851 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
852 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
853 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
854 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
856 if test -z "$LLVMGCC"; then
857 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
858 LLVMGCCCOMMAND="$LLVMGCC"
860 if test -z "$LLVMGXX"; then
861 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
862 LLVMGXXCOMMAND="$LLVMGXX"
865 AC_SUBST(LLVMGCC,$LLVMGCC)
866 AC_SUBST(LLVMGXX,$LLVMGXX)
867 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
868 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
872 AC_MSG_CHECKING([tool compatibility])
874 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
875 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
876 dnl to support those options.
877 dnl "icc" emits gcc signatures
878 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
890 if test "$GCC" != "yes" && test "$ICC" != "yes"
892 AC_MSG_ERROR([gcc|icc required but not found])
895 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
896 if test "$GXX" != "yes" && test "$IXX" != "yes"
898 AC_MSG_ERROR([g++|icc required but not found])
901 dnl Verify that GCC is version 3.0 or higher
902 if test "$GCC" = "yes"
904 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
905 #error Unsupported GCC version
907 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
910 dnl Check for GNU Make. We use its extensions, so don't build without it
911 if test -z "$llvm_cv_gnu_make_command"
913 AC_MSG_ERROR([GNU Make required but not found])
916 dnl Tool compatibility is okay if we make it here.
919 dnl===-----------------------------------------------------------------------===
921 dnl=== SECTION 5: Check for libraries
923 dnl===-----------------------------------------------------------------------===
926 if test "$llvm_cv_os_type" = "MingW" ; then
927 AC_CHECK_LIB(imagehlp, main)
928 AC_CHECK_LIB(psapi, main)
931 dnl dlopen() is required for plugin support.
932 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
933 [Define if dlopen() is available on this platform.]),
934 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
936 dnl libffi is optional; used to call external functions from the interpreter
937 if test "$llvm_cv_enable_libffi" = "yes" ; then
938 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
939 [Define if libffi is available on this platform.]),
940 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
943 dnl mallinfo is optional; the code can compile (minus features) without it
944 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
945 [Define if mallinfo() is available on this platform.]))
947 dnl pthread locking functions are optional - but llvm will not be thread-safe
949 if test "$ENABLE_THREADS" -eq 1 ; then
950 AC_CHECK_LIB(pthread,pthread_mutex_init)
951 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
952 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
953 [Have pthread_mutex_lock]))
954 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
955 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
956 [Have pthread_rwlock_init]))
957 AC_SEARCH_LIBS(pthread_getspecific,pthread,
958 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
959 [Have pthread_getspecific]))
962 dnl Allow extra x86-disassembler library
964 AS_HELP_STRING([--with-udis86=<path>],
965 [Use udis86 external x86 disassembler library]),
967 AC_SUBST(USE_UDIS86, [1])
970 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
972 AC_CHECK_LIB(udis86, ud_init, [], [
973 echo "Error! You need to have libudis86 around."
977 AC_SUBST(USE_UDIS86, [0]))
978 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
979 [Define if use udis86 library])
981 dnl Allow OProfile support for JIT output.
982 AC_ARG_WITH(oprofile,
983 AS_HELP_STRING([--with-oprofile=<prefix>],
984 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
986 AC_SUBST(USE_OPROFILE, [1])
988 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
989 *) llvm_cv_oppath="${withval}/lib/oprofile"
990 CPPFLAGS="-I${withval}/include";;
992 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
993 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
994 echo "Error! You need to have libopagent around."
997 AC_CHECK_HEADER([opagent.h], [], [
998 echo "Error! You need to have opagent.h around."
1003 llvm_cv_old_LIBS="$LIBS"
1004 LIBS="$LIBS -L/usr/lib/oprofile -Wl,-rpath,/usr/lib/oprofile"
1005 dnl If either the library or header aren't present, omit oprofile support.
1006 AC_SEARCH_LIBS(op_open_agent, opagent,
1007 [AC_SUBST(USE_OPROFILE, [1])],
1008 [LIBS="$llvm_cv_old_LIBS"
1009 AC_SUBST(USE_OPROFILE, [0])])
1010 AC_CHECK_HEADER([opagent.h], [], [
1011 LIBS="$llvm_cv_old_LIBS"
1012 AC_SUBST(USE_OPROFILE, [0])
1015 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1016 [Define if we have the oprofile JIT-support library])
1018 dnl===-----------------------------------------------------------------------===
1020 dnl=== SECTION 6: Check for header files
1022 dnl===-----------------------------------------------------------------------===
1024 dnl First, use autoconf provided macros for specific headers that we need
1025 dnl We don't check for ancient stuff or things that are guaranteed to be there
1026 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1027 dnl Generally we're looking for POSIX headers.
1029 AC_HEADER_MMAP_ANONYMOUS
1035 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1036 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1037 AC_CHECK_HEADERS([utime.h windows.h])
1038 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1039 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1040 if test "$ENABLE_THREADS" -eq 1 ; then
1041 AC_CHECK_HEADERS(pthread.h,
1042 AC_SUBST(HAVE_PTHREAD, 1),
1043 AC_SUBST(HAVE_PTHREAD, 0))
1045 AC_SUBST(HAVE_PTHREAD, 0)
1048 dnl Try to find ffi.h.
1049 if test "$llvm_cv_enable_libffi" = "yes" ; then
1050 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1053 dnl===-----------------------------------------------------------------------===
1055 dnl=== SECTION 7: Check for types and structures
1057 dnl===-----------------------------------------------------------------------===
1064 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1065 AC_CHECK_TYPES([uint64_t],,
1066 AC_CHECK_TYPES([u_int64_t],,
1067 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1069 dnl===-----------------------------------------------------------------------===
1071 dnl=== SECTION 8: Check for specific functions needed
1073 dnl===-----------------------------------------------------------------------===
1075 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1076 AC_CHECK_FUNCS([powf fmodf strtof round ])
1077 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1078 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1079 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1080 AC_CHECK_FUNCS([strerror strerror_r strerror_s ])
1081 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1082 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1084 dnl FIXME: This is no longer used, please remove (but test)!!!
1088 dnl Check for variations in the Standard C++ library and STL. These macros are
1089 dnl provided by LLVM in the autoconf/m4 directory.
1090 AC_CXX_HAVE_STD_ITERATOR
1091 AC_CXX_HAVE_BI_ITERATOR
1092 AC_CXX_HAVE_FWD_ITERATOR
1096 dnl Check for mmap support.We also need to know if /dev/zero is required to
1097 dnl be opened for allocating RWX memory.
1098 dnl Make sure we aren't attempting to configure for an unknown system
1099 if test "$llvm_cv_platform_type" = "Unix" ; then
1102 AC_NEED_DEV_ZERO_FOR_MMAP
1104 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1106 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1108 if test "$ac_cv_func_mmap_file" = "no"
1110 AC_MSG_WARN([mmap() of files required but not found])
1114 dnl atomic builtins are required for threading support.
1115 AC_MSG_CHECKING(for GCC atomic builtins)
1119 volatile unsigned long val = 1;
1120 __sync_synchronize();
1121 __sync_val_compare_and_swap(&val, 1, 0);
1122 __sync_add_and_fetch(&val, 1);
1123 __sync_sub_and_fetch(&val, 1);
1128 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1130 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1131 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1134 dnl===-----------------------------------------------------------------------===
1136 dnl=== SECTION 9: Additional checks, variables, etc.
1138 dnl===-----------------------------------------------------------------------===
1140 dnl Check, whether __dso_handle is present
1141 AC_CHECK_FUNCS([__dso_handle])
1143 dnl See if the llvm-gcc executable can compile to LLVM assembly
1144 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1145 [llvm_cv_llvmgcc_sanity="no"
1146 if test -x "$LLVMGCC" ; then
1147 cp /dev/null conftest.c
1148 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1149 grep 'target datalayout =' > /dev/null 2>&1
1150 if test $? -eq 0 ; then
1151 llvm_cv_llvmgcc_sanity="yes"
1156 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1157 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1158 AC_MSG_CHECKING([llvm-gcc component support])
1159 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1160 AC_SUBST(LLVMCC1,$llvmcc1path)
1161 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1162 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1163 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1164 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1165 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
1166 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1167 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1168 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1169 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1170 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1171 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1172 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1176 dnl Propagate the shared library extension that the libltdl checks did to
1177 dnl the Makefiles so we can use it there too
1178 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1180 # Translate the various configuration directories and other basic
1181 # information into substitutions that will end up in Makefile.config.in
1182 # that these configured values can be used by the makefiles
1183 if test "${prefix}" = "NONE" ; then
1186 eval LLVM_PREFIX="${prefix}";
1187 eval LLVM_BINDIR="${prefix}/bin";
1188 eval LLVM_LIBDIR="${prefix}/lib";
1189 eval LLVM_DATADIR="${prefix}/share/llvm";
1190 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1191 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1192 eval LLVM_INCLUDEDIR="${prefix}/include";
1193 eval LLVM_INFODIR="${prefix}/info";
1194 eval LLVM_MANDIR="${prefix}/man";
1195 LLVM_CONFIGTIME=`date`
1196 AC_SUBST(LLVM_PREFIX)
1197 AC_SUBST(LLVM_BINDIR)
1198 AC_SUBST(LLVM_LIBDIR)
1199 AC_SUBST(LLVM_DATADIR)
1200 AC_SUBST(LLVM_DOCSDIR)
1201 AC_SUBST(LLVM_ETCDIR)
1202 AC_SUBST(LLVM_INCLUDEDIR)
1203 AC_SUBST(LLVM_INFODIR)
1204 AC_SUBST(LLVM_MANDIR)
1205 AC_SUBST(LLVM_CONFIGTIME)
1207 # Place the various directores into the config.h file as #defines so that we
1208 # can know about the installation paths within LLVM.
1209 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1210 [Installation prefix directory])
1211 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1212 [Installation directory for binary executables])
1213 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1214 [Installation directory for libraries])
1215 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1216 [Installation directory for data files])
1217 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1218 [Installation directory for documentation])
1219 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1220 [Installation directory for config files])
1221 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1222 [Installation directory for include files])
1223 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1224 [Installation directory for .info files])
1225 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1226 [Installation directory for man pages])
1227 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1228 [Time at which LLVM was configured])
1229 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1230 [Host triple we were built on])
1232 # Determine which bindings to build.
1233 if test "$BINDINGS_TO_BUILD" = auto ; then
1234 BINDINGS_TO_BUILD=""
1235 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1236 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1239 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1241 # This isn't really configurey, but it avoids having to repeat the list in
1243 AC_SUBST(ALL_BINDINGS,ocaml)
1245 # Do any work necessary to ensure that bindings have what they need.
1246 binding_prereqs_failed=0
1247 for a_binding in $BINDINGS_TO_BUILD ; do
1248 case "$a_binding" in
1250 if test "x$OCAMLC" = x ; then
1251 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1252 binding_prereqs_failed=1
1254 if test "x$OCAMLDEP" = x ; then
1255 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1256 binding_prereqs_failed=1
1258 if test "x$OCAMLOPT" = x ; then
1259 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1260 dnl ocamlopt is optional!
1262 if test "x$with_ocaml_libdir" != xauto ; then
1263 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1265 ocaml_stdlib="`"$OCAMLC" -where`"
1266 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1268 # ocaml stdlib is beneath our prefix; use stdlib
1269 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1271 # ocaml stdlib is outside our prefix; use libdir/ocaml
1272 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1278 if test "$binding_prereqs_failed" = 1 ; then
1279 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1282 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1283 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1285 dnl Determine linker rpath flag
1286 if test "$llvm_cv_link_use_r" = "yes" ; then
1293 dnl Determine linker rdynamic flag
1294 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1295 RDYNAMIC="-Wl,-export-dynamic"
1301 dnl===-----------------------------------------------------------------------===
1303 dnl=== SECTION 10: Specify the output files and generate it
1305 dnl===-----------------------------------------------------------------------===
1307 dnl Configure header files
1308 dnl WARNING: dnl If you add or remove any of the following config headers, then
1309 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1310 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1311 dnl files can be updated automatically when their *.in sources change.
1312 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1313 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1314 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1315 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1316 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1318 dnl Configure the makefile's configuration data
1319 AC_CONFIG_FILES([Makefile.config])
1321 dnl Configure the RPM spec file for LLVM
1322 AC_CONFIG_FILES([llvm.spec])
1324 dnl Configure doxygen's configuration file
1325 AC_CONFIG_FILES([docs/doxygen.cfg])
1327 dnl Configure llvmc's Base plugin
1328 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1330 dnl Do the first stage of configuration for llvm-config.in.
1331 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1333 dnl Do special configuration of Makefiles
1334 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1335 AC_CONFIG_MAKEFILE(Makefile)
1336 AC_CONFIG_MAKEFILE(Makefile.common)
1337 AC_CONFIG_MAKEFILE(examples/Makefile)
1338 AC_CONFIG_MAKEFILE(lib/Makefile)
1339 AC_CONFIG_MAKEFILE(runtime/Makefile)
1340 AC_CONFIG_MAKEFILE(test/Makefile)
1341 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1342 AC_CONFIG_MAKEFILE(unittests/Makefile)
1343 AC_CONFIG_MAKEFILE(tools/Makefile)
1344 AC_CONFIG_MAKEFILE(utils/Makefile)
1345 AC_CONFIG_MAKEFILE(projects/Makefile)
1346 AC_CONFIG_MAKEFILE(bindings/Makefile)
1347 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1349 dnl Finally, crank out the output