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-debug-symbols : should even optimized compiler libraries
385 dnl have debug symbols?
386 AC_ARG_ENABLE(debug-symbols,
387 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)
388 if test ${enableval} = "no" ; then
389 AC_SUBST(DEBUG_SYMBOLS,[[]])
391 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
394 dnl --enable-jit: check whether they want to enable the jit
396 AS_HELP_STRING(--enable-jit,
397 [Enable Just In Time Compiling (default is YES)]),,
399 if test ${enableval} = "no"
403 case "$llvm_cv_target_arch" in
404 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
405 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
406 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
407 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
408 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
409 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
410 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
411 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
412 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
413 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
414 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
415 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
416 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
420 dnl Allow enablement of doxygen generated documentation
421 AC_ARG_ENABLE(doxygen,
422 AS_HELP_STRING([--enable-doxygen],
423 [Build doxygen documentation (default is NO)]),,
426 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
427 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
428 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
429 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
432 dnl Allow disablement of threads
433 AC_ARG_ENABLE(threads,
434 AS_HELP_STRING([--enable-threads],
435 [Use threads if available (default is YES)]),,
438 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
439 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
440 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
441 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
443 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
445 dnl Allow building without position independent code
447 AS_HELP_STRING([--enable-pic],
448 [Build LLVM with Position Independent Code (default is YES)]),,
451 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
452 no) AC_SUBST(ENABLE_PIC,[0]) ;;
453 default) AC_SUBST(ENABLE_PIC,[1]) ;;
454 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
456 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
457 [Define if position independent code is enabled])
459 dnl Allow specific targets to be specified for building (or not)
461 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
462 [Build specific host targets: all or target1,target2,... Valid targets are:
463 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu, pic16,
464 xcore, msp430, systemz, blackfin, cbe, msil, and cpp (default=all)]),,
466 if test "$enableval" = host-only ; then
470 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend" ;;
471 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
473 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
474 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
475 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
476 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
477 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
478 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
479 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
480 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
481 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
482 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
483 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
484 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
485 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
486 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
487 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
488 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
489 host) case "$llvm_cv_target_arch" in
490 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
491 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
492 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
493 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
494 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
495 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
496 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
497 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
498 PIC16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
499 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
500 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
501 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
502 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
503 *) AC_MSG_ERROR([Can not set target to build]) ;;
505 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
510 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
512 # Determine whether we are building LLVM support for the native architecture.
513 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
514 for a_target in $TARGETS_TO_BUILD; do
515 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
516 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
517 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
518 [LLVM architecture name for the native architecture, if available])
522 # Build the LLVM_TARGET and LLVM_ASM_PRINTER macro uses for
523 # Targets.def, AsmPrinters.def, and AsmParsers.def.
525 LLVM_ENUM_ASM_PRINTERS=""
526 LLVM_ENUM_ASM_PARSERS=""
527 for target_to_build in $TARGETS_TO_BUILD; do
528 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
529 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
530 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
532 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
533 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
536 AC_SUBST(LLVM_ENUM_TARGETS)
537 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
538 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
540 dnl Prevent the CBackend from using printf("%a") for floating point so older
541 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
542 dnl can still compile the CBE's output
543 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
544 [Enable C Backend output with hex floating point via %a (default is YES)]),,
547 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
548 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
549 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
550 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
552 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
553 [Define if CBE is enabled for printf %a output])
555 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
556 AC_ARG_WITH(llvmgccdir,
557 AS_HELP_STRING([--with-llvmgccdir],
558 [Specify location of llvm-gcc install dir (default searches PATH)]),,
561 default) WITH_LLVMGCCDIR=default ;;
562 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
563 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
566 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
568 AS_HELP_STRING([--with-llvmgcc],
569 [Specify location of llvm-gcc driver (default searches PATH)]),
570 LLVMGCC=$with_llvmgcc
573 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
575 AS_HELP_STRING([--with-llvmgxx],
576 [Specify location of llvm-g++ driver (default searches PATH)]),
577 LLVMGXX=$with_llvmgxx
580 if test -n "$LLVMGCC"; then
581 LLVMGCCCOMMAND="$LLVMGCC"
584 if test -n "$LLVMGXX"; then
585 LLVMGXXCOMMAND="$LLVMGXX"
588 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
589 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
592 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
593 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
596 dnl Specify extra build options
597 AC_ARG_WITH(extra-options,
598 AS_HELP_STRING([--with-extra-options],
599 [Specify additional options to compile LLVM with]),,
602 default) EXTRA_OPTIONS= ;;
603 *) EXTRA_OPTIONS=$withval ;;
605 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
607 dnl Allow specific bindings to be specified for building (or not)
608 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
609 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
613 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
614 all ) BINDINGS_TO_BUILD="ocaml" ;;
615 none | no) BINDINGS_TO_BUILD="" ;;
616 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
618 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
619 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
625 dnl Allow the ocaml libdir to be overridden. This could go in a configure
626 dnl script for bindings/ocaml/configure, except that its auto value depends on
627 dnl OCAMLC, which is found here to support tests.
628 AC_ARG_WITH([ocaml-libdir],
629 [AS_HELP_STRING([--with-ocaml-libdir],
630 [Specify install location for ocaml bindings (default is stdlib)])],
634 auto) with_ocaml_libdir="$withval" ;;
635 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
636 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
639 dnl Allow linking of LLVM with GPLv3 binutils code.
640 AC_ARG_WITH(binutils-include,
641 AS_HELP_STRING([--with-binutils-include],
642 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
645 default) WITH_BINUTILS_INCDIR=default ;;
646 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
647 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
649 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
650 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
651 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
652 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
653 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
657 dnl --enable-libffi : check whether the user wants to turn off libffi:
658 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
659 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
662 yes) llvm_cv_enable_libffi="yes" ;;
663 no) llvm_cv_enable_libffi="no" ;;
664 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
667 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
668 if test "$llvm_cv_os_type" = "Win32" ; then
674 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
675 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
676 --enable-llvmc-dynamic,
677 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
678 enableval=$llvmc_dynamic)
679 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
680 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
682 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
685 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
686 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
687 --enable-llvmc-dynamic-plugins,
688 [Enable dynamic LLVMC plugins (default is YES)]),,
690 if test ${enableval} = "yes" ; then
691 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
693 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
696 dnl===-----------------------------------------------------------------------===
698 dnl=== SECTION 4: Check for programs we need and that they are the right version
700 dnl===-----------------------------------------------------------------------===
702 dnl Check for compilation tools
710 dnl Check for the tools that the makefiles require
713 AC_PATH_PROG(CMP, [cmp], [cmp])
714 AC_PATH_PROG(CP, [cp], [cp])
715 AC_PATH_PROG(DATE, [date], [date])
716 AC_PATH_PROG(FIND, [find], [find])
717 AC_PATH_PROG(GREP, [grep], [grep])
718 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
719 AC_PATH_PROG(MV, [mv], [mv])
721 AC_PATH_PROG(RM, [rm], [rm])
722 AC_PATH_PROG(SED, [sed], [sed])
723 AC_PATH_PROG(TAR, [tar], [gtar])
724 AC_PATH_PROG(BINPWD,[pwd], [pwd])
726 dnl Looking for misc. graph plotting software
727 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
728 if test "$GRAPHVIZ" != "echo Graphviz" ; then
729 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
730 dnl If we're targeting for mingw we should emit windows paths, not msys
731 if test "$llvm_cv_os_type" = "MingW" ; then
732 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
734 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
735 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
737 AC_PATH_PROG(DOT, [dot], [echo dot])
738 if test "$DOT" != "echo dot" ; then
739 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
740 dnl If we're targeting for mingw we should emit windows paths, not msys
741 if test "$llvm_cv_os_type" = "MingW" ; then
742 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
744 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
745 [Define to path to dot program if found or 'echo dot' otherwise])
747 AC_PATH_PROG(FDP, [fdp], [echo fdp])
748 if test "$FDP" != "echo fdp" ; then
749 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
750 dnl If we're targeting for mingw we should emit windows paths, not msys
751 if test "$llvm_cv_os_type" = "MingW" ; then
752 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
754 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
755 [Define to path to fdp program if found or 'echo fdp' otherwise])
757 AC_PATH_PROG(NEATO, [neato], [echo neato])
758 if test "$NEATO" != "echo neato" ; then
759 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
760 dnl If we're targeting for mingw we should emit windows paths, not msys
761 if test "$llvm_cv_os_type" = "MingW" ; then
762 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
764 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
765 [Define to path to neato program if found or 'echo neato' otherwise])
767 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
768 if test "$TWOPI" != "echo twopi" ; then
769 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
770 dnl If we're targeting for mingw we should emit windows paths, not msys
771 if test "$llvm_cv_os_type" = "MingW" ; then
772 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
774 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
775 [Define to path to twopi program if found or 'echo twopi' otherwise])
777 AC_PATH_PROG(CIRCO, [circo], [echo circo])
778 if test "$CIRCO" != "echo circo" ; then
779 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
780 dnl If we're targeting for mingw we should emit windows paths, not msys
781 if test "$llvm_cv_os_type" = "MingW" ; then
782 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
784 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
785 [Define to path to circo program if found or 'echo circo' otherwise])
787 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
788 if test "$GV" != "echo gv" ; then
789 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
790 dnl If we're targeting for mingw we should emit windows paths, not msys
791 if test "$llvm_cv_os_type" = "MingW" ; then
792 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
794 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
795 [Define to path to gv program if found or 'echo gv' otherwise])
797 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
798 if test "$DOTTY" != "echo dotty" ; then
799 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
800 dnl If we're targeting for mingw we should emit windows paths, not msys
801 if test "$llvm_cv_os_type" = "MingW" ; then
802 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
804 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
805 [Define to path to dotty program if found or 'echo dotty' otherwise])
808 dnl Look for a sufficiently recent version of Perl.
809 LLVM_PROG_PERL([5.006])
811 if test x"$PERL" = xnone; then
812 AC_SUBST(HAVE_PERL,0)
813 AC_MSG_ERROR([perl is required but was not found, please install it])
815 AC_SUBST(HAVE_PERL,1)
818 dnl Find the install program
821 dnl Checks for documentation and testing tools that we can do without. If these
822 dnl are not found then they are set to "true" which always succeeds but does
823 dnl nothing. This just lets the build output show that we could have done
824 dnl something if the tool was available.
825 AC_PATH_PROG(BZIP2, [bzip2])
826 AC_PATH_PROG(DOXYGEN, [doxygen])
827 AC_PATH_PROG(GROFF, [groff])
828 AC_PATH_PROG(GZIP, [gzip])
829 AC_PATH_PROG(POD2HTML, [pod2html])
830 AC_PATH_PROG(POD2MAN, [pod2man])
831 AC_PATH_PROG(RUNTEST, [runtest])
833 AC_PATH_PROG(ZIP, [zip])
834 AC_PATH_PROGS(OCAMLC, [ocamlc])
835 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
836 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
837 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
838 AC_PATH_PROGS(GAS, [gas as])
840 dnl Determine whether the linker supports the -R option.
843 dnl Determine whether the linker supports the -export-dynamic option.
844 AC_LINK_EXPORT_DYNAMIC
846 dnl Check for libtool and the library that has dlopen function (which must come
847 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
853 if test "$lt_cv_dlopen_self" = "yes" ; then
854 AC_DEFINE([CAN_DLOPEN_SELF],[1],
855 [Define if dlopen(0) will open the symbols of the program])
859 if test "$WITH_LLVMGCCDIR" = "default" ; then
860 LLVMGCC="llvm-gcc${EXEEXT}"
861 LLVMGXX="llvm-g++${EXEEXT}"
862 LLVMGCCCOMMAND="$LLVMGCC"
863 LLVMGXXCOMMAND="$LLVMGXX"
864 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
865 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
866 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
867 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
869 if test -z "$LLVMGCC"; then
870 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
871 LLVMGCCCOMMAND="$LLVMGCC"
873 if test -z "$LLVMGXX"; then
874 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
875 LLVMGXXCOMMAND="$LLVMGXX"
878 AC_SUBST(LLVMGCC,$LLVMGCC)
879 AC_SUBST(LLVMGXX,$LLVMGXX)
880 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
881 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
885 AC_MSG_CHECKING([tool compatibility])
887 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
888 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
889 dnl to support those options.
890 dnl "icc" emits gcc signatures
891 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
903 if test "$GCC" != "yes" && test "$ICC" != "yes"
905 AC_MSG_ERROR([gcc|icc required but not found])
908 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
909 if test "$GXX" != "yes" && test "$IXX" != "yes"
911 AC_MSG_ERROR([g++|icc required but not found])
914 dnl Verify that GCC is version 3.0 or higher
915 if test "$GCC" = "yes"
917 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
918 #error Unsupported GCC version
920 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
923 dnl Check for GNU Make. We use its extensions, so don't build without it
924 if test -z "$llvm_cv_gnu_make_command"
926 AC_MSG_ERROR([GNU Make required but not found])
929 dnl Tool compatibility is okay if we make it here.
932 dnl===-----------------------------------------------------------------------===
934 dnl=== SECTION 5: Check for libraries
936 dnl===-----------------------------------------------------------------------===
939 if test "$llvm_cv_os_type" = "MingW" ; then
940 AC_CHECK_LIB(imagehlp, main)
941 AC_CHECK_LIB(psapi, main)
944 dnl dlopen() is required for plugin support.
945 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
946 [Define if dlopen() is available on this platform.]),
947 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
949 dnl libffi is optional; used to call external functions from the interpreter
950 if test "$llvm_cv_enable_libffi" = "yes" ; then
951 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
952 [Define if libffi is available on this platform.]),
953 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
956 dnl mallinfo is optional; the code can compile (minus features) without it
957 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
958 [Define if mallinfo() is available on this platform.]))
960 dnl pthread locking functions are optional - but llvm will not be thread-safe
962 if test "$ENABLE_THREADS" -eq 1 ; then
963 AC_CHECK_LIB(pthread,pthread_mutex_init)
964 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
965 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
966 [Have pthread_mutex_lock]))
967 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
968 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
969 [Have pthread_rwlock_init]))
970 AC_SEARCH_LIBS(pthread_getspecific,pthread,
971 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
972 [Have pthread_getspecific]))
975 dnl Allow extra x86-disassembler library
977 AS_HELP_STRING([--with-udis86=<path>],
978 [Use udis86 external x86 disassembler library]),
980 AC_SUBST(USE_UDIS86, [1])
983 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
985 AC_CHECK_LIB(udis86, ud_init, [], [
986 echo "Error! You need to have libudis86 around."
990 AC_SUBST(USE_UDIS86, [0]))
991 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
992 [Define if use udis86 library])
994 dnl Allow OProfile support for JIT output.
995 AC_ARG_WITH(oprofile,
996 AS_HELP_STRING([--with-oprofile=<prefix>],
997 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
999 AC_SUBST(USE_OPROFILE, [1])
1001 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1002 *) llvm_cv_oppath="${withval}/lib/oprofile"
1003 CPPFLAGS="-I${withval}/include";;
1005 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1006 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1007 echo "Error! You need to have libopagent around."
1010 AC_CHECK_HEADER([opagent.h], [], [
1011 echo "Error! You need to have opagent.h around."
1016 llvm_cv_old_LIBS="$LIBS"
1017 LIBS="$LIBS -L/usr/lib/oprofile -Wl,-rpath,/usr/lib/oprofile"
1018 dnl If either the library or header aren't present, omit oprofile support.
1019 AC_SEARCH_LIBS(op_open_agent, opagent,
1020 [AC_SUBST(USE_OPROFILE, [1])],
1021 [LIBS="$llvm_cv_old_LIBS"
1022 AC_SUBST(USE_OPROFILE, [0])])
1023 AC_CHECK_HEADER([opagent.h], [], [
1024 LIBS="$llvm_cv_old_LIBS"
1025 AC_SUBST(USE_OPROFILE, [0])
1028 AC_DEFINE_UNQUOTED([USE_OPROFILE],$USE_OPROFILE,
1029 [Define if we have the oprofile JIT-support library])
1031 dnl===-----------------------------------------------------------------------===
1033 dnl=== SECTION 6: Check for header files
1035 dnl===-----------------------------------------------------------------------===
1037 dnl First, use autoconf provided macros for specific headers that we need
1038 dnl We don't check for ancient stuff or things that are guaranteed to be there
1039 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
1040 dnl Generally we're looking for POSIX headers.
1042 AC_HEADER_MMAP_ANONYMOUS
1048 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
1049 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
1050 AC_CHECK_HEADERS([utime.h windows.h])
1051 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
1052 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
1053 if test "$ENABLE_THREADS" -eq 1 ; then
1054 AC_CHECK_HEADERS(pthread.h,
1055 AC_SUBST(HAVE_PTHREAD, 1),
1056 AC_SUBST(HAVE_PTHREAD, 0))
1058 AC_SUBST(HAVE_PTHREAD, 0)
1061 dnl Try to find ffi.h.
1062 if test "$llvm_cv_enable_libffi" = "yes" ; then
1063 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
1066 dnl===-----------------------------------------------------------------------===
1068 dnl=== SECTION 7: Check for types and structures
1070 dnl===-----------------------------------------------------------------------===
1077 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
1078 AC_CHECK_TYPES([uint64_t],,
1079 AC_CHECK_TYPES([u_int64_t],,
1080 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
1082 dnl===-----------------------------------------------------------------------===
1084 dnl=== SECTION 8: Check for specific functions needed
1086 dnl===-----------------------------------------------------------------------===
1088 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
1089 AC_CHECK_FUNCS([powf fmodf strtof round ])
1090 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
1091 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
1092 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup ])
1093 AC_CHECK_FUNCS([strerror strerror_r strerror_s setenv ])
1094 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
1095 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
1097 dnl FIXME: This is no longer used, please remove (but test)!!!
1101 dnl Check for variations in the Standard C++ library and STL. These macros are
1102 dnl provided by LLVM in the autoconf/m4 directory.
1103 AC_CXX_HAVE_STD_ITERATOR
1104 AC_CXX_HAVE_BI_ITERATOR
1105 AC_CXX_HAVE_FWD_ITERATOR
1109 dnl Check for mmap support.We also need to know if /dev/zero is required to
1110 dnl be opened for allocating RWX memory.
1111 dnl Make sure we aren't attempting to configure for an unknown system
1112 if test "$llvm_cv_platform_type" = "Unix" ; then
1115 AC_NEED_DEV_ZERO_FOR_MMAP
1117 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
1119 AC_MSG_WARN([mmap() of a fixed address required but not supported])
1121 if test "$ac_cv_func_mmap_file" = "no"
1123 AC_MSG_WARN([mmap() of files required but not found])
1127 dnl atomic builtins are required for threading support.
1128 AC_MSG_CHECKING(for GCC atomic builtins)
1132 volatile unsigned long val = 1;
1133 __sync_synchronize();
1134 __sync_val_compare_and_swap(&val, 1, 0);
1135 __sync_add_and_fetch(&val, 1);
1136 __sync_sub_and_fetch(&val, 1);
1141 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1143 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1144 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1147 dnl===-----------------------------------------------------------------------===
1149 dnl=== SECTION 9: Additional checks, variables, etc.
1151 dnl===-----------------------------------------------------------------------===
1153 dnl Check, whether __dso_handle is present
1154 AC_CHECK_FUNCS([__dso_handle])
1156 dnl See if the llvm-gcc executable can compile to LLVM assembly
1157 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1158 [llvm_cv_llvmgcc_sanity="no"
1159 if test -x "$LLVMGCC" ; then
1160 cp /dev/null conftest.c
1161 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1162 grep 'target datalayout =' > /dev/null 2>&1
1163 if test $? -eq 0 ; then
1164 llvm_cv_llvmgcc_sanity="yes"
1169 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1170 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1171 AC_MSG_CHECKING([llvm-gcc component support])
1172 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1173 AC_SUBST(LLVMCC1,$llvmcc1path)
1174 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1175 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1176 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1177 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1178 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
1179 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1180 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1181 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1182 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1183 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1184 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1185 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1189 dnl Propagate the shared library extension that the libltdl checks did to
1190 dnl the Makefiles so we can use it there too
1191 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1193 # Translate the various configuration directories and other basic
1194 # information into substitutions that will end up in Makefile.config.in
1195 # that these configured values can be used by the makefiles
1196 if test "${prefix}" = "NONE" ; then
1199 eval LLVM_PREFIX="${prefix}";
1200 eval LLVM_BINDIR="${prefix}/bin";
1201 eval LLVM_LIBDIR="${prefix}/lib";
1202 eval LLVM_DATADIR="${prefix}/share/llvm";
1203 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1204 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1205 eval LLVM_INCLUDEDIR="${prefix}/include";
1206 eval LLVM_INFODIR="${prefix}/info";
1207 eval LLVM_MANDIR="${prefix}/man";
1208 LLVM_CONFIGTIME=`date`
1209 AC_SUBST(LLVM_PREFIX)
1210 AC_SUBST(LLVM_BINDIR)
1211 AC_SUBST(LLVM_LIBDIR)
1212 AC_SUBST(LLVM_DATADIR)
1213 AC_SUBST(LLVM_DOCSDIR)
1214 AC_SUBST(LLVM_ETCDIR)
1215 AC_SUBST(LLVM_INCLUDEDIR)
1216 AC_SUBST(LLVM_INFODIR)
1217 AC_SUBST(LLVM_MANDIR)
1218 AC_SUBST(LLVM_CONFIGTIME)
1220 # Place the various directores into the config.h file as #defines so that we
1221 # can know about the installation paths within LLVM.
1222 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1223 [Installation prefix directory])
1224 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1225 [Installation directory for binary executables])
1226 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1227 [Installation directory for libraries])
1228 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1229 [Installation directory for data files])
1230 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1231 [Installation directory for documentation])
1232 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1233 [Installation directory for config files])
1234 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1235 [Installation directory for include files])
1236 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1237 [Installation directory for .info files])
1238 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1239 [Installation directory for man pages])
1240 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1241 [Time at which LLVM was configured])
1242 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1243 [Host triple we were built on])
1245 # Determine which bindings to build.
1246 if test "$BINDINGS_TO_BUILD" = auto ; then
1247 BINDINGS_TO_BUILD=""
1248 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1249 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1252 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1254 # This isn't really configurey, but it avoids having to repeat the list in
1256 AC_SUBST(ALL_BINDINGS,ocaml)
1258 # Do any work necessary to ensure that bindings have what they need.
1259 binding_prereqs_failed=0
1260 for a_binding in $BINDINGS_TO_BUILD ; do
1261 case "$a_binding" in
1263 if test "x$OCAMLC" = x ; then
1264 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1265 binding_prereqs_failed=1
1267 if test "x$OCAMLDEP" = x ; then
1268 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1269 binding_prereqs_failed=1
1271 if test "x$OCAMLOPT" = x ; then
1272 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1273 dnl ocamlopt is optional!
1275 if test "x$with_ocaml_libdir" != xauto ; then
1276 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1278 ocaml_stdlib="`"$OCAMLC" -where`"
1279 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1281 # ocaml stdlib is beneath our prefix; use stdlib
1282 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1284 # ocaml stdlib is outside our prefix; use libdir/ocaml
1285 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1291 if test "$binding_prereqs_failed" = 1 ; then
1292 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1295 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1296 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1298 dnl Determine linker rpath flag
1299 if test "$llvm_cv_link_use_r" = "yes" ; then
1306 dnl Determine linker rdynamic flag
1307 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1308 RDYNAMIC="-Wl,-export-dynamic"
1314 dnl===-----------------------------------------------------------------------===
1316 dnl=== SECTION 10: Specify the output files and generate it
1318 dnl===-----------------------------------------------------------------------===
1320 dnl Configure header files
1321 dnl WARNING: dnl If you add or remove any of the following config headers, then
1322 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1323 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1324 dnl files can be updated automatically when their *.in sources change.
1325 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1326 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1327 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1328 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1329 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1331 dnl Configure the makefile's configuration data
1332 AC_CONFIG_FILES([Makefile.config])
1334 dnl Configure the RPM spec file for LLVM
1335 AC_CONFIG_FILES([llvm.spec])
1337 dnl Configure doxygen's configuration file
1338 AC_CONFIG_FILES([docs/doxygen.cfg])
1340 dnl Configure llvmc's Base plugin
1341 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1343 dnl Do the first stage of configuration for llvm-config.in.
1344 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1346 dnl Do special configuration of Makefiles
1347 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1348 AC_CONFIG_MAKEFILE(Makefile)
1349 AC_CONFIG_MAKEFILE(Makefile.common)
1350 AC_CONFIG_MAKEFILE(examples/Makefile)
1351 AC_CONFIG_MAKEFILE(lib/Makefile)
1352 AC_CONFIG_MAKEFILE(runtime/Makefile)
1353 AC_CONFIG_MAKEFILE(test/Makefile)
1354 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1355 AC_CONFIG_MAKEFILE(unittests/Makefile)
1356 AC_CONFIG_MAKEFILE(tools/Makefile)
1357 AC_CONFIG_MAKEFILE(utils/Makefile)
1358 AC_CONFIG_MAKEFILE(projects/Makefile)
1359 AC_CONFIG_MAKEFILE(bindings/Makefile)
1360 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1362 dnl Finally, crank out the output