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 dnl Handle 32-bit linux systems running a 64-bit kernel.
288 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
290 if test "$llvm_cv_linux_mixed" = "yes"; then
291 llvm_cv_target_arch="x86"
295 # Determine the LLVM native architecture for the target
296 case "$llvm_cv_target_arch" in
297 x86) LLVM_NATIVE_ARCH="X86" ;;
298 x86_64) LLVM_NATIVE_ARCH="X86" ;;
299 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
302 dnl Define a substitution, ARCH, for the target architecture
303 AC_SUBST(ARCH,$llvm_cv_target_arch)
305 dnl Check for the endianness of the target
306 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
308 dnl Check for build platform executable suffix if we're crosscompiling
309 if test "$cross_compiling" = yes; then
310 AC_SUBST(LLVM_CROSS_COMPILING, [1])
312 ac_build_prefix=${build_alias}-
313 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
314 if test -z "$BUILD_CXX"; then
315 AC_CHECK_PROG(BUILD_CXX, g++, g++)
316 if test -z "$BUILD_CXX"; then
317 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
321 AC_SUBST(LLVM_CROSS_COMPILING, [0])
324 dnl Check to see if there's a "CVS" (or .svn or .git) directory indicating
325 dnl that this build is being done from a checkout. This sets up several
326 dnl defaults for the command line switches. When we build with a CVS directory,
327 dnl we get a debug with assertions turned on. Without, we assume a source
328 dnl release and we get an optimized build without assertions.
329 dnl See --enable-optimized and --enable-assertions below
330 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
333 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
339 dnl===-----------------------------------------------------------------------===
341 dnl=== SECTION 3: Command line arguments for the configure script.
343 dnl===-----------------------------------------------------------------------===
345 dnl --enable-optimized : check whether they want to do an optimized build:
346 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
347 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
348 if test ${enableval} = "no" ; then
349 AC_SUBST(ENABLE_OPTIMIZED,[[]])
351 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
354 dnl --enable-profiling : check whether they want to do a profile build:
355 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
356 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
357 if test ${enableval} = "no" ; then
358 AC_SUBST(ENABLE_PROFILING,[[]])
360 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
363 dnl --enable-assertions : check whether they want to turn on assertions or not:
364 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
365 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
366 if test ${enableval} = "yes" ; then
367 AC_SUBST(DISABLE_ASSERTIONS,[[]])
369 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
372 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
373 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
374 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
375 if test ${enableval} = "yes" ; then
376 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
377 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
379 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
380 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
383 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
384 AC_ARG_ENABLE(debug-runtime,
385 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
386 if test ${enableval} = "no" ; then
387 AC_SUBST(DEBUG_RUNTIME,[[]])
389 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
392 dnl --enable-debug-symbols : should even optimized compiler libraries
393 dnl have debug symbols?
394 AC_ARG_ENABLE(debug-symbols,
395 AS_HELP_STRING(--enable-debug-symbols,[Build compiler with debug symbols (default is NO if optimization is on and YES if it's off)]),,enableval=no)
396 if test ${enableval} = "no" ; then
397 AC_SUBST(DEBUG_SYMBOLS,[[]])
399 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
402 dnl --enable-jit: check whether they want to enable the jit
404 AS_HELP_STRING(--enable-jit,
405 [Enable Just In Time Compiling (default is YES)]),,
407 if test ${enableval} = "no"
411 case "$llvm_cv_target_arch" in
412 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
413 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
414 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
415 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
416 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
417 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
418 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
419 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
420 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
421 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
422 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
423 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
424 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
428 dnl Allow enablement of doxygen generated documentation
429 AC_ARG_ENABLE(doxygen,
430 AS_HELP_STRING([--enable-doxygen],
431 [Build doxygen documentation (default is NO)]),,
434 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
435 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
436 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
437 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
440 dnl Allow disablement of threads
441 AC_ARG_ENABLE(threads,
442 AS_HELP_STRING([--enable-threads],
443 [Use threads if available (default is YES)]),,
446 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
447 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
448 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
449 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
451 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
453 dnl Allow building without position independent code
455 AS_HELP_STRING([--enable-pic],
456 [Build LLVM with Position Independent Code (default is YES)]),,
459 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
460 no) AC_SUBST(ENABLE_PIC,[0]) ;;
461 default) AC_SUBST(ENABLE_PIC,[1]) ;;
462 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
464 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
465 [Define if position independent code is enabled])
467 dnl Allow specific targets to be specified for building (or not)
469 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
470 [Build specific host targets: all or target1,target2,... Valid targets are:
471 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu, pic16,
472 xcore, msp430, systemz, blackfin, cbe, msil, and cpp (default=all)]),,
474 if test "$enableval" = host-only ; then
478 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend" ;;
479 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
481 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
482 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
483 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
484 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
485 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
486 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
487 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
488 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
489 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
490 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
491 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
492 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
493 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
494 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
495 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
496 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
497 host) case "$llvm_cv_target_arch" in
498 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
499 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
500 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
501 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
502 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
503 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
504 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
505 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
506 PIC16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
507 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
508 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
509 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
510 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
511 *) AC_MSG_ERROR([Can not set target to build]) ;;
513 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
518 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
520 # Determine whether we are building LLVM support for the native architecture.
521 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
522 for a_target in $TARGETS_TO_BUILD; do
523 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
524 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
525 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
526 [LLVM architecture name for the native architecture, if available])
530 # Build the LLVM_TARGET and LLVM_ASM_PRINTER macro uses for
531 # Targets.def, AsmPrinters.def, and AsmParsers.def.
533 LLVM_ENUM_ASM_PRINTERS=""
534 LLVM_ENUM_ASM_PARSERS=""
535 for target_to_build in $TARGETS_TO_BUILD; do
536 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
537 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
538 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
540 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
541 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
544 AC_SUBST(LLVM_ENUM_TARGETS)
545 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
546 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
548 dnl Prevent the CBackend from using printf("%a") for floating point so older
549 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
550 dnl can still compile the CBE's output
551 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
552 [Enable C Backend output with hex floating point via %a (default is YES)]),,
555 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
556 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
557 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
558 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
560 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
561 [Define if CBE is enabled for printf %a output])
563 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
564 AC_ARG_WITH(llvmgccdir,
565 AS_HELP_STRING([--with-llvmgccdir],
566 [Specify location of llvm-gcc install dir (default searches PATH)]),,
569 default) WITH_LLVMGCCDIR=default ;;
570 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
571 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
574 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
576 AS_HELP_STRING([--with-llvmgcc],
577 [Specify location of llvm-gcc driver (default searches PATH)]),
578 LLVMGCC=$with_llvmgcc
581 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
583 AS_HELP_STRING([--with-llvmgxx],
584 [Specify location of llvm-g++ driver (default searches PATH)]),
585 LLVMGXX=$with_llvmgxx
588 if test -n "$LLVMGCC"; then
589 LLVMGCCCOMMAND="$LLVMGCC"
592 if test -n "$LLVMGXX"; then
593 LLVMGXXCOMMAND="$LLVMGXX"
596 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
597 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
600 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
601 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
604 dnl Specify extra build options
605 AC_ARG_WITH(extra-options,
606 AS_HELP_STRING([--with-extra-options],
607 [Specify additional options to compile LLVM with]),,
610 default) EXTRA_OPTIONS= ;;
611 *) EXTRA_OPTIONS=$withval ;;
613 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
615 dnl Allow specific bindings to be specified for building (or not)
616 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
617 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
621 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
622 all ) BINDINGS_TO_BUILD="ocaml" ;;
623 none | no) BINDINGS_TO_BUILD="" ;;
624 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
626 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
627 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
633 dnl Allow the ocaml libdir to be overridden. This could go in a configure
634 dnl script for bindings/ocaml/configure, except that its auto value depends on
635 dnl OCAMLC, which is found here to support tests.
636 AC_ARG_WITH([ocaml-libdir],
637 [AS_HELP_STRING([--with-ocaml-libdir],
638 [Specify install location for ocaml bindings (default is stdlib)])],
642 auto) with_ocaml_libdir="$withval" ;;
643 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
644 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
647 dnl Allow linking of LLVM with GPLv3 binutils code.
648 AC_ARG_WITH(binutils-include,
649 AS_HELP_STRING([--with-binutils-include],
650 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
653 default) WITH_BINUTILS_INCDIR=default ;;
654 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
655 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
657 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
658 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
659 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
660 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
661 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
665 dnl --enable-libffi : check whether the user wants to turn off libffi:
666 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
667 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
670 yes) llvm_cv_enable_libffi="yes" ;;
671 no) llvm_cv_enable_libffi="no" ;;
672 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
675 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
676 if test "$llvm_cv_os_type" = "Win32" ; then
682 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
683 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
684 --enable-llvmc-dynamic,
685 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
686 enableval=$llvmc_dynamic)
687 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
688 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
690 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
693 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
694 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
695 --enable-llvmc-dynamic-plugins,
696 [Enable dynamic LLVMC plugins (default is YES)]),,
698 if test ${enableval} = "yes" ; then
699 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
701 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
704 dnl===-----------------------------------------------------------------------===
706 dnl=== SECTION 4: Check for programs we need and that they are the right version
708 dnl===-----------------------------------------------------------------------===
710 dnl Check for compilation tools
718 dnl Check for the tools that the makefiles require
721 AC_PATH_PROG(CMP, [cmp], [cmp])
722 AC_PATH_PROG(CP, [cp], [cp])
723 AC_PATH_PROG(DATE, [date], [date])
724 AC_PATH_PROG(FIND, [find], [find])
725 AC_PATH_PROG(GREP, [grep], [grep])
726 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
727 AC_PATH_PROG(MV, [mv], [mv])
729 AC_PATH_PROG(RM, [rm], [rm])
730 AC_PATH_PROG(SED, [sed], [sed])
731 AC_PATH_PROG(TAR, [tar], [gtar])
732 AC_PATH_PROG(BINPWD,[pwd], [pwd])
734 dnl Looking for misc. graph plotting software
735 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
736 if test "$GRAPHVIZ" != "echo Graphviz" ; then
737 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
738 dnl If we're targeting for mingw we should emit windows paths, not msys
739 if test "$llvm_cv_os_type" = "MingW" ; then
740 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
742 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
743 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
745 AC_PATH_PROG(DOT, [dot], [echo dot])
746 if test "$DOT" != "echo dot" ; then
747 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
748 dnl If we're targeting for mingw we should emit windows paths, not msys
749 if test "$llvm_cv_os_type" = "MingW" ; then
750 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
752 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
753 [Define to path to dot program if found or 'echo dot' otherwise])
755 AC_PATH_PROG(FDP, [fdp], [echo fdp])
756 if test "$FDP" != "echo fdp" ; then
757 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
758 dnl If we're targeting for mingw we should emit windows paths, not msys
759 if test "$llvm_cv_os_type" = "MingW" ; then
760 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
762 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
763 [Define to path to fdp program if found or 'echo fdp' otherwise])
765 AC_PATH_PROG(NEATO, [neato], [echo neato])
766 if test "$NEATO" != "echo neato" ; then
767 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
768 dnl If we're targeting for mingw we should emit windows paths, not msys
769 if test "$llvm_cv_os_type" = "MingW" ; then
770 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
772 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
773 [Define to path to neato program if found or 'echo neato' otherwise])
775 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
776 if test "$TWOPI" != "echo twopi" ; then
777 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
778 dnl If we're targeting for mingw we should emit windows paths, not msys
779 if test "$llvm_cv_os_type" = "MingW" ; then
780 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
782 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
783 [Define to path to twopi program if found or 'echo twopi' otherwise])
785 AC_PATH_PROG(CIRCO, [circo], [echo circo])
786 if test "$CIRCO" != "echo circo" ; then
787 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
788 dnl If we're targeting for mingw we should emit windows paths, not msys
789 if test "$llvm_cv_os_type" = "MingW" ; then
790 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
792 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
793 [Define to path to circo program if found or 'echo circo' otherwise])
795 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
796 if test "$GV" != "echo gv" ; then
797 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
798 dnl If we're targeting for mingw we should emit windows paths, not msys
799 if test "$llvm_cv_os_type" = "MingW" ; then
800 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
802 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
803 [Define to path to gv program if found or 'echo gv' otherwise])
805 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
806 if test "$DOTTY" != "echo dotty" ; then
807 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
808 dnl If we're targeting for mingw we should emit windows paths, not msys
809 if test "$llvm_cv_os_type" = "MingW" ; then
810 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
812 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
813 [Define to path to dotty program if found or 'echo dotty' otherwise])
816 dnl Look for a sufficiently recent version of Perl.
817 LLVM_PROG_PERL([5.006])
819 if test x"$PERL" = xnone; then
820 AC_SUBST(HAVE_PERL,0)
821 AC_MSG_ERROR([perl is required but was not found, please install it])
823 AC_SUBST(HAVE_PERL,1)
826 dnl Find the install program
829 dnl Checks for documentation and testing tools that we can do without. If these
830 dnl are not found then they are set to "true" which always succeeds but does
831 dnl nothing. This just lets the build output show that we could have done
832 dnl something if the tool was available.
833 AC_PATH_PROG(BZIP2, [bzip2])
834 AC_PATH_PROG(DOXYGEN, [doxygen])
835 AC_PATH_PROG(GROFF, [groff])
836 AC_PATH_PROG(GZIP, [gzip])
837 AC_PATH_PROG(POD2HTML, [pod2html])
838 AC_PATH_PROG(POD2MAN, [pod2man])
839 AC_PATH_PROG(RUNTEST, [runtest])
841 AC_PATH_PROG(ZIP, [zip])
842 AC_PATH_PROGS(OCAMLC, [ocamlc])
843 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
844 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
845 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
846 AC_PATH_PROGS(GAS, [gas as])
848 dnl Determine whether the linker supports the -R option.
851 dnl Determine whether the linker supports the -export-dynamic option.
852 AC_LINK_EXPORT_DYNAMIC
854 dnl Check for libtool and the library that has dlopen function (which must come
855 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
861 if test "$lt_cv_dlopen_self" = "yes" ; then
862 AC_DEFINE([CAN_DLOPEN_SELF],[1],
863 [Define if dlopen(0) will open the symbols of the program])
867 if test "$WITH_LLVMGCCDIR" = "default" ; then
868 LLVMGCC="llvm-gcc${EXEEXT}"
869 LLVMGXX="llvm-g++${EXEEXT}"
870 LLVMGCCCOMMAND="$LLVMGCC"
871 LLVMGXXCOMMAND="$LLVMGXX"
872 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
873 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
874 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
875 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
877 if test -z "$LLVMGCC"; then
878 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
879 LLVMGCCCOMMAND="$LLVMGCC"
881 if test -z "$LLVMGXX"; then
882 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
883 LLVMGXXCOMMAND="$LLVMGXX"
886 AC_SUBST(LLVMGCC,$LLVMGCC)
887 AC_SUBST(LLVMGXX,$LLVMGXX)
888 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
889 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
893 AC_MSG_CHECKING([tool compatibility])
895 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
896 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
897 dnl to support those options.
898 dnl "icc" emits gcc signatures
899 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
911 if test "$GCC" != "yes" && test "$ICC" != "yes"
913 AC_MSG_ERROR([gcc|icc required but not found])
916 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
917 if test "$GXX" != "yes" && test "$IXX" != "yes"
919 AC_MSG_ERROR([g++|icc required but not found])
922 dnl Verify that GCC is version 3.0 or higher
923 if test "$GCC" = "yes"
925 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
926 #error Unsupported GCC version
928 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
931 dnl Check for GNU Make. We use its extensions, so don't build without it
932 if test -z "$llvm_cv_gnu_make_command"
934 AC_MSG_ERROR([GNU Make required but not found])
937 dnl Tool compatibility is okay if we make it here.
940 dnl===-----------------------------------------------------------------------===
942 dnl=== SECTION 5: Check for libraries
944 dnl===-----------------------------------------------------------------------===
947 if test "$llvm_cv_os_type" = "MingW" ; then
948 AC_CHECK_LIB(imagehlp, main)
949 AC_CHECK_LIB(psapi, main)
952 dnl dlopen() is required for plugin support.
953 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
954 [Define if dlopen() is available on this platform.]),
955 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
957 dnl libffi is optional; used to call external functions from the interpreter
958 if test "$llvm_cv_enable_libffi" = "yes" ; then
959 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
960 [Define if libffi is available on this platform.]),
961 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
964 dnl mallinfo is optional; the code can compile (minus features) without it
965 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
966 [Define if mallinfo() is available on this platform.]))
968 dnl pthread locking functions are optional - but llvm will not be thread-safe
970 if test "$ENABLE_THREADS" -eq 1 ; then
971 AC_CHECK_LIB(pthread,pthread_mutex_init)
972 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
973 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
974 [Have pthread_mutex_lock]))
975 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
976 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
977 [Have pthread_rwlock_init]))
978 AC_SEARCH_LIBS(pthread_getspecific,pthread,
979 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
980 [Have pthread_getspecific]))
983 dnl Allow extra x86-disassembler library
985 AS_HELP_STRING([--with-udis86=<path>],
986 [Use udis86 external x86 disassembler library]),
988 AC_SUBST(USE_UDIS86, [1])
991 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
993 AC_CHECK_LIB(udis86, ud_init, [], [
994 echo "Error! You need to have libudis86 around."
998 AC_SUBST(USE_UDIS86, [0]))
999 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1000 [Define if use udis86 library])
1002 dnl Allow OProfile support for JIT output.
1003 AC_ARG_WITH(oprofile,
1004 AS_HELP_STRING([--with-oprofile=<prefix>],
1005 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1007 AC_SUBST(USE_OPROFILE, [1])
1009 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1010 *) llvm_cv_oppath="${withval}/lib/oprofile"
1011 CPPFLAGS="-I${withval}/include";;
1013 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1014 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1015 echo "Error! You need to have libopagent around."
1018 AC_CHECK_HEADER([opagent.h], [], [
1019 echo "Error! You need to have opagent.h around."
1024 llvm_cv_old_LIBS="$LIBS"
1025 LIBS="$LIBS -L/usr/lib/oprofile -Wl,-rpath,/usr/lib/oprofile"
1026 dnl If either the library or header aren't present, omit oprofile support.
1027 AC_SEARCH_LIBS(op_open_agent, opagent,
1028 [AC_SUBST(USE_OPROFILE, [1])],
1029 [LIBS="$llvm_cv_old_LIBS"
1030 AC_SUBST(USE_OPROFILE, [0])])
1031 AC_CHECK_HEADER([opagent.h], [], [
1032 LIBS="$llvm_cv_old_LIBS"
1033 AC_SUBST(USE_OPROFILE, [0])
1036 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1037 [Define if we have the oprofile JIT-support library])
1039 dnl===-----------------------------------------------------------------------===
1041 dnl=== SECTION 6: Check for header files
1043 dnl===-----------------------------------------------------------------------===
1045 dnl First, use autoconf provided macros for specific headers that we need
1046 dnl We don't check for ancient stuff or things that are guaranteed to be there
1047 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1048 dnl Generally we're looking for POSIX headers.
1050 AC_HEADER_MMAP_ANONYMOUS
1056 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1057 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1058 AC_CHECK_HEADERS([utime.h windows.h])
1059 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1060 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1061 if test "$ENABLE_THREADS" -eq 1 ; then
1062 AC_CHECK_HEADERS(pthread.h,
1063 AC_SUBST(HAVE_PTHREAD, 1),
1064 AC_SUBST(HAVE_PTHREAD, 0))
1066 AC_SUBST(HAVE_PTHREAD, 0)
1069 dnl Try to find ffi.h.
1070 if test "$llvm_cv_enable_libffi" = "yes" ; then
1071 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1074 dnl===-----------------------------------------------------------------------===
1076 dnl=== SECTION 7: Check for types and structures
1078 dnl===-----------------------------------------------------------------------===
1085 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1086 AC_CHECK_TYPES([uint64_t],,
1087 AC_CHECK_TYPES([u_int64_t],,
1088 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1090 dnl===-----------------------------------------------------------------------===
1092 dnl=== SECTION 8: Check for specific functions needed
1094 dnl===-----------------------------------------------------------------------===
1096 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1097 AC_CHECK_FUNCS([powf fmodf strtof round ])
1098 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1099 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1100 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1101 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1102 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1103 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1105 dnl FIXME: This is no longer used, please remove (but test)!!!
1109 dnl Check for variations in the Standard C++ library and STL. These macros are
1110 dnl provided by LLVM in the autoconf/m4 directory.
1111 AC_CXX_HAVE_STD_ITERATOR
1112 AC_CXX_HAVE_BI_ITERATOR
1113 AC_CXX_HAVE_FWD_ITERATOR
1117 dnl Check for mmap support.We also need to know if /dev/zero is required to
1118 dnl be opened for allocating RWX memory.
1119 dnl Make sure we aren't attempting to configure for an unknown system
1120 if test "$llvm_cv_platform_type" = "Unix" ; then
1123 AC_NEED_DEV_ZERO_FOR_MMAP
1125 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1127 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1129 if test "$ac_cv_func_mmap_file" = "no"
1131 AC_MSG_WARN([mmap() of files required but not found])
1135 dnl atomic builtins are required for threading support.
1136 AC_MSG_CHECKING(for GCC atomic builtins)
1140 volatile unsigned long val = 1;
1141 __sync_synchronize();
1142 __sync_val_compare_and_swap(&val, 1, 0);
1143 __sync_add_and_fetch(&val, 1);
1144 __sync_sub_and_fetch(&val, 1);
1149 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1151 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1152 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1155 dnl===-----------------------------------------------------------------------===
1157 dnl=== SECTION 9: Additional checks, variables, etc.
1159 dnl===-----------------------------------------------------------------------===
1161 dnl Check, whether __dso_handle is present
1162 AC_CHECK_FUNCS([__dso_handle])
1164 dnl See if the llvm-gcc executable can compile to LLVM assembly
1165 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1166 [llvm_cv_llvmgcc_sanity="no"
1167 if test -x "$LLVMGCC" ; then
1168 cp /dev/null conftest.c
1169 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1170 grep 'target datalayout =' > /dev/null 2>&1
1171 if test $? -eq 0 ; then
1172 llvm_cv_llvmgcc_sanity="yes"
1177 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1178 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1179 AC_MSG_CHECKING([llvm-gcc component support])
1180 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1181 AC_SUBST(LLVMCC1,$llvmcc1path)
1182 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1183 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1184 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1185 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1186 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
1187 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1188 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1189 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1190 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1191 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1192 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1193 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1197 dnl Propagate the shared library extension that the libltdl checks did to
1198 dnl the Makefiles so we can use it there too
1199 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1201 # Translate the various configuration directories and other basic
1202 # information into substitutions that will end up in Makefile.config.in
1203 # that these configured values can be used by the makefiles
1204 if test "${prefix}" = "NONE" ; then
1207 eval LLVM_PREFIX="${prefix}";
1208 eval LLVM_BINDIR="${prefix}/bin";
1209 eval LLVM_LIBDIR="${prefix}/lib";
1210 eval LLVM_DATADIR="${prefix}/share/llvm";
1211 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1212 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1213 eval LLVM_INCLUDEDIR="${prefix}/include";
1214 eval LLVM_INFODIR="${prefix}/info";
1215 eval LLVM_MANDIR="${prefix}/man";
1216 LLVM_CONFIGTIME=`date`
1217 AC_SUBST(LLVM_PREFIX)
1218 AC_SUBST(LLVM_BINDIR)
1219 AC_SUBST(LLVM_LIBDIR)
1220 AC_SUBST(LLVM_DATADIR)
1221 AC_SUBST(LLVM_DOCSDIR)
1222 AC_SUBST(LLVM_ETCDIR)
1223 AC_SUBST(LLVM_INCLUDEDIR)
1224 AC_SUBST(LLVM_INFODIR)
1225 AC_SUBST(LLVM_MANDIR)
1226 AC_SUBST(LLVM_CONFIGTIME)
1228 # Place the various directores into the config.h file as #defines so that we
1229 # can know about the installation paths within LLVM.
1230 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1231 [Installation prefix directory])
1232 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1233 [Installation directory for binary executables])
1234 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1235 [Installation directory for libraries])
1236 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1237 [Installation directory for data files])
1238 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1239 [Installation directory for documentation])
1240 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1241 [Installation directory for config files])
1242 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1243 [Installation directory for include files])
1244 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1245 [Installation directory for .info files])
1246 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1247 [Installation directory for man pages])
1248 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1249 [Time at which LLVM was configured])
1250 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1251 [Host triple we were built on])
1253 # Determine which bindings to build.
1254 if test "$BINDINGS_TO_BUILD" = auto ; then
1255 BINDINGS_TO_BUILD=""
1256 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1257 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1260 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1262 # This isn't really configurey, but it avoids having to repeat the list in
1264 AC_SUBST(ALL_BINDINGS,ocaml)
1266 # Do any work necessary to ensure that bindings have what they need.
1267 binding_prereqs_failed=0
1268 for a_binding in $BINDINGS_TO_BUILD ; do
1269 case "$a_binding" in
1271 if test "x$OCAMLC" = x ; then
1272 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1273 binding_prereqs_failed=1
1275 if test "x$OCAMLDEP" = x ; then
1276 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1277 binding_prereqs_failed=1
1279 if test "x$OCAMLOPT" = x ; then
1280 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1281 dnl ocamlopt is optional!
1283 if test "x$with_ocaml_libdir" != xauto ; then
1284 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1286 ocaml_stdlib="`"$OCAMLC" -where`"
1287 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1289 # ocaml stdlib is beneath our prefix; use stdlib
1290 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1292 # ocaml stdlib is outside our prefix; use libdir/ocaml
1293 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1299 if test "$binding_prereqs_failed" = 1 ; then
1300 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1303 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1304 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1306 dnl Determine linker rpath flag
1307 if test "$llvm_cv_link_use_r" = "yes" ; then
1314 dnl Determine linker rdynamic flag
1315 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1316 RDYNAMIC="-Wl,-export-dynamic"
1322 dnl===-----------------------------------------------------------------------===
1324 dnl=== SECTION 10: Specify the output files and generate it
1326 dnl===-----------------------------------------------------------------------===
1328 dnl Configure header files
1329 dnl WARNING: dnl If you add or remove any of the following config headers, then
1330 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1331 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1332 dnl files can be updated automatically when their *.in sources change.
1333 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1334 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1335 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1336 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1337 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1339 dnl Configure the makefile's configuration data
1340 AC_CONFIG_FILES([Makefile.config])
1342 dnl Configure the RPM spec file for LLVM
1343 AC_CONFIG_FILES([llvm.spec])
1345 dnl Configure doxygen's configuration file
1346 AC_CONFIG_FILES([docs/doxygen.cfg])
1348 dnl Configure llvmc's Base plugin
1349 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1351 dnl Do the first stage of configuration for llvm-config.in.
1352 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1354 dnl Do special configuration of Makefiles
1355 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1356 AC_CONFIG_MAKEFILE(Makefile)
1357 AC_CONFIG_MAKEFILE(Makefile.common)
1358 AC_CONFIG_MAKEFILE(examples/Makefile)
1359 AC_CONFIG_MAKEFILE(lib/Makefile)
1360 AC_CONFIG_MAKEFILE(runtime/Makefile)
1361 AC_CONFIG_MAKEFILE(test/Makefile)
1362 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1363 AC_CONFIG_MAKEFILE(unittests/Makefile)
1364 AC_CONFIG_MAKEFILE(tools/Makefile)
1365 AC_CONFIG_MAKEFILE(utils/Makefile)
1366 AC_CONFIG_MAKEFILE(projects/Makefile)
1367 AC_CONFIG_MAKEFILE(bindings/Makefile)
1368 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1370 dnl Finally, crank out the output