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="Haiku"
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="-Wl,--whole-archive"
190 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
191 llvm_cv_os_type="Freestanding"
192 llvm_cv_platform_type="Unix" ;;
194 llvm_cv_link_all_option=""
195 llvm_cv_no_link_all_option=""
196 llvm_cv_os_type="Unknown"
197 llvm_cv_platform_type="Unknown" ;;
200 AC_CACHE_CHECK([type of operating system we're going to target],
201 [llvm_cv_target_os_type],
204 llvm_cv_target_os_type="AIX" ;;
206 llvm_cv_target_os_type="IRIX" ;;
208 llvm_cv_target_os_type="Cygwin" ;;
210 llvm_cv_target_os_type="Darwin" ;;
212 llvm_cv_target_os_type="FreeBSD" ;;
214 llvm_cv_target_os_type="OpenBSD" ;;
216 llvm_cv_target_os_type="NetBSD" ;;
218 llvm_cv_target_os_type="DragonFly" ;;
220 llvm_cv_target_os_type="HP-UX" ;;
222 llvm_cv_target_os_type="Interix" ;;
224 llvm_cv_target_os_type="Linux" ;;
226 llvm_cv_target_os_type="SunOS" ;;
228 llvm_cv_target_os_type="Win32" ;;
230 llvm_cv_target_os_type="MingW" ;;
232 llvm_cv_target_os_type="Haiku" ;;
234 llvm_cv_target_os_type="Freestanding" ;;
236 llvm_cv_target_os_type="Unknown" ;;
239 dnl Make sure we aren't attempting to configure for an unknown system
240 if test "$llvm_cv_os_type" = "Unknown" ; then
241 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
244 dnl Set the "OS" Makefile variable based on the platform type so the
245 dnl makefile can configure itself to specific build hosts
246 AC_SUBST(OS,$llvm_cv_os_type)
247 AC_SUBST(HOST_OS,$llvm_cv_os_type)
248 AC_SUBST(TARGET_OS,$llvm_cv_target_os_type)
250 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
251 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
252 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
254 dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type
255 dnl This is used by lib/System to determine the basic kind of implementation
257 case $llvm_cv_platform_type in
259 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
260 AC_SUBST(LLVM_ON_UNIX,[1])
261 AC_SUBST(LLVM_ON_WIN32,[0])
264 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
265 AC_SUBST(LLVM_ON_UNIX,[0])
266 AC_SUBST(LLVM_ON_WIN32,[1])
270 dnl Determine what our target architecture is and configure accordingly.
271 dnl This will allow Makefiles to make a distinction between the hardware and
273 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
275 i?86-*) llvm_cv_target_arch="x86" ;;
276 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
277 sparc*-*) llvm_cv_target_arch="Sparc" ;;
278 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
279 alpha*-*) llvm_cv_target_arch="Alpha" ;;
280 arm*-*) llvm_cv_target_arch="ARM" ;;
281 mips-*) llvm_cv_target_arch="Mips" ;;
282 pic16-*) llvm_cv_target_arch="PIC16" ;;
283 xcore-*) llvm_cv_target_arch="XCore" ;;
284 msp430-*) llvm_cv_target_arch="MSP430" ;;
285 s390x-*) llvm_cv_target_arch="SystemZ" ;;
286 bfin-*) llvm_cv_target_arch="Blackfin" ;;
287 *) llvm_cv_target_arch="Unknown" ;;
290 if test "$llvm_cv_target_arch" = "Unknown" ; then
291 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
294 # Determine the LLVM native architecture for the target
295 case "$llvm_cv_target_arch" in
296 x86) LLVM_NATIVE_ARCH="X86" ;;
297 x86_64) LLVM_NATIVE_ARCH="X86" ;;
298 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
301 dnl Define a substitution, ARCH, for the target architecture
302 AC_SUBST(ARCH,$llvm_cv_target_arch)
304 dnl Check for the endianness of the target
305 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
307 dnl Check for build platform executable suffix if we're crosscompiling
308 if test "$cross_compiling" = yes; then
309 AC_SUBST(LLVM_CROSS_COMPILING, [1])
311 ac_build_prefix=${build_alias}-
312 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
313 if test -z "$BUILD_CXX"; then
314 AC_CHECK_PROG(BUILD_CXX, g++, g++)
315 if test -z "$BUILD_CXX"; then
316 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
320 AC_SUBST(LLVM_CROSS_COMPILING, [0])
323 dnl Check to see if there's a "CVS" (or .svn or .git) directory indicating
324 dnl that this build is being done from a checkout. This sets up several
325 dnl defaults for the command line switches. When we build with a CVS directory,
326 dnl we get a debug with assertions turned on. Without, we assume a source
327 dnl release and we get an optimized build without assertions.
328 dnl See --enable-optimized and --enable-assertions below
329 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
332 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
338 dnl===-----------------------------------------------------------------------===
340 dnl=== SECTION 3: Command line arguments for the configure script.
342 dnl===-----------------------------------------------------------------------===
344 dnl --enable-optimized : check whether they want to do an optimized build:
345 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
346 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
347 if test ${enableval} = "no" ; then
348 AC_SUBST(ENABLE_OPTIMIZED,[[]])
350 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
353 dnl --enable-profiling : check whether they want to do a profile build:
354 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
355 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
356 if test ${enableval} = "no" ; then
357 AC_SUBST(ENABLE_PROFILING,[[]])
359 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
362 dnl --enable-assertions : check whether they want to turn on assertions or not:
363 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
364 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
365 if test ${enableval} = "yes" ; then
366 AC_SUBST(DISABLE_ASSERTIONS,[[]])
368 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
371 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
372 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
373 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
374 if test ${enableval} = "yes" ; then
375 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
376 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
378 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
379 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
382 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
383 AC_ARG_ENABLE(debug-runtime,
384 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
385 if test ${enableval} = "no" ; then
386 AC_SUBST(DEBUG_RUNTIME,[[]])
388 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
391 dnl --enable-debug-symbols : should even optimized compiler libraries
392 dnl have debug symbols?
393 AC_ARG_ENABLE(debug-symbols,
394 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)
395 if test ${enableval} = "no" ; then
396 AC_SUBST(DEBUG_SYMBOLS,[[]])
398 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]])
401 dnl --enable-jit: check whether they want to enable the jit
403 AS_HELP_STRING(--enable-jit,
404 [Enable Just In Time Compiling (default is YES)]),,
406 if test ${enableval} = "no"
410 case "$llvm_cv_target_arch" in
411 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
412 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
413 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
414 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
415 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
416 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
417 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
418 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
419 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
420 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
421 SystemZ) AC_SUBST(TARGET_HAS_JIT,0) ;;
422 Blackfin) AC_SUBST(TARGET_HAS_JIT,0) ;;
423 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
427 dnl Allow enablement of doxygen generated documentation
428 AC_ARG_ENABLE(doxygen,
429 AS_HELP_STRING([--enable-doxygen],
430 [Build doxygen documentation (default is NO)]),,
433 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
434 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
435 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
436 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
439 dnl Allow disablement of threads
440 AC_ARG_ENABLE(threads,
441 AS_HELP_STRING([--enable-threads],
442 [Use threads if available (default is YES)]),,
445 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
446 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
447 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
448 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
450 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
452 dnl Allow building without position independent code
454 AS_HELP_STRING([--enable-pic],
455 [Build LLVM with Position Independent Code (default is YES)]),,
458 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
459 no) AC_SUBST(ENABLE_PIC,[0]) ;;
460 default) AC_SUBST(ENABLE_PIC,[1]) ;;
461 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
463 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
464 [Define if position independent code is enabled])
466 dnl Allow specific targets to be specified for building (or not)
468 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
469 [Build specific host targets: all or target1,target2,... Valid targets are:
470 host, x86, x86_64, sparc, powerpc, alpha, arm, mips, spu, pic16,
471 xcore, msp430, systemz, blackfin, cbe, msil, and cpp (default=all)]),,
473 if test "$enableval" = host-only ; then
477 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha ARM Mips CellSPU PIC16 XCore MSP430 SystemZ Blackfin CBackend MSIL CppBackend" ;;
478 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
480 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
481 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
482 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
483 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
484 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
485 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
486 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
487 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
488 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
489 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
490 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
491 systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
492 blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
493 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
494 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
495 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
496 host) case "$llvm_cv_target_arch" in
497 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
498 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
499 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
500 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
501 Alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
502 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
503 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
504 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
505 PIC16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
506 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
507 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
508 SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
509 Blackfin) TARGETS_TO_BUILD="Blackfin $TARGETS_TO_BUILD" ;;
510 *) AC_MSG_ERROR([Can not set target to build]) ;;
512 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
517 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
519 # Determine whether we are building LLVM support for the native architecture.
520 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
521 for a_target in $TARGETS_TO_BUILD; do
522 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
523 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
524 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
525 [LLVM architecture name for the native architecture, if available])
529 # Build the LLVM_TARGET and LLVM_ASM_PRINTER macro uses for
530 # Targets.def, AsmPrinters.def, and AsmParsers.def.
532 LLVM_ENUM_ASM_PRINTERS=""
533 LLVM_ENUM_ASM_PARSERS=""
534 for target_to_build in $TARGETS_TO_BUILD; do
535 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
536 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
537 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
539 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then
540 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS";
543 AC_SUBST(LLVM_ENUM_TARGETS)
544 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
545 AC_SUBST(LLVM_ENUM_ASM_PARSERS)
547 dnl Prevent the CBackend from using printf("%a") for floating point so older
548 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
549 dnl can still compile the CBE's output
550 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
551 [Enable C Backend output with hex floating point via %a (default is YES)]),,
554 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
555 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
556 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
557 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
559 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
560 [Define if CBE is enabled for printf %a output])
562 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
563 AC_ARG_WITH(llvmgccdir,
564 AS_HELP_STRING([--with-llvmgccdir],
565 [Specify location of llvm-gcc install dir (default searches PATH)]),,
568 default) WITH_LLVMGCCDIR=default ;;
569 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
570 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
573 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
575 AS_HELP_STRING([--with-llvmgcc],
576 [Specify location of llvm-gcc driver (default searches PATH)]),
577 LLVMGCC=$with_llvmgcc
580 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
582 AS_HELP_STRING([--with-llvmgxx],
583 [Specify location of llvm-g++ driver (default searches PATH)]),
584 LLVMGXX=$with_llvmgxx
587 if test -n "$LLVMGCC"; then
588 LLVMGCCCOMMAND="$LLVMGCC"
591 if test -n "$LLVMGXX"; then
592 LLVMGXXCOMMAND="$LLVMGXX"
595 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
596 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
599 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
600 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
603 dnl Specify extra build options
604 AC_ARG_WITH(extra-options,
605 AS_HELP_STRING([--with-extra-options],
606 [Specify additional options to compile LLVM with]),,
609 default) EXTRA_OPTIONS= ;;
610 *) EXTRA_OPTIONS=$withval ;;
612 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
614 dnl Allow specific bindings to be specified for building (or not)
615 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
616 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
620 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
621 all ) BINDINGS_TO_BUILD="ocaml" ;;
622 none | no) BINDINGS_TO_BUILD="" ;;
623 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
625 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
626 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
632 dnl Allow the ocaml libdir to be overridden. This could go in a configure
633 dnl script for bindings/ocaml/configure, except that its auto value depends on
634 dnl OCAMLC, which is found here to support tests.
635 AC_ARG_WITH([ocaml-libdir],
636 [AS_HELP_STRING([--with-ocaml-libdir],
637 [Specify install location for ocaml bindings (default is stdlib)])],
641 auto) with_ocaml_libdir="$withval" ;;
642 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
643 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
646 dnl Allow linking of LLVM with GPLv3 binutils code.
647 AC_ARG_WITH(binutils-include,
648 AS_HELP_STRING([--with-binutils-include],
649 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
652 default) WITH_BINUTILS_INCDIR=default ;;
653 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
654 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
656 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
657 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
658 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
659 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
660 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
664 dnl --enable-libffi : check whether the user wants to turn off libffi:
665 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
666 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
669 yes) llvm_cv_enable_libffi="yes" ;;
670 no) llvm_cv_enable_libffi="no" ;;
671 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
674 dnl Only Windows needs dynamic libCompilerDriver to support plugins.
675 if test "$llvm_cv_os_type" = "Win32" ; then
681 dnl --enable-llvmc-dynamic : should LLVMC link libCompilerDriver dynamically?
682 AC_ARG_ENABLE(llvmc-dynamic,AS_HELP_STRING(
683 --enable-llvmc-dynamic,
684 [Link LLVMC dynamically (default is NO, unless on Win32)]),,
685 enableval=$llvmc_dynamic)
686 if test ${enableval} = "yes" && test "$ENABLE_PIC" -eq 1 ; then
687 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[ENABLE_LLVMC_DYNAMIC=1]])
689 AC_SUBST(ENABLE_LLVMC_DYNAMIC,[[]])
692 dnl --enable-llvmc-dynamic-plugins : should LLVMC support dynamic plugins?
693 AC_ARG_ENABLE(llvmc-dynamic-plugins,AS_HELP_STRING(
694 --enable-llvmc-dynamic-plugins,
695 [Enable dynamic LLVMC plugins (default is YES)]),,
697 if test ${enableval} = "yes" ; then
698 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[ENABLE_LLVMC_DYNAMIC_PLUGINS=1]])
700 AC_SUBST(ENABLE_LLVMC_DYNAMIC_PLUGINS,[[]])
703 dnl===-----------------------------------------------------------------------===
705 dnl=== SECTION 4: Check for programs we need and that they are the right version
707 dnl===-----------------------------------------------------------------------===
709 dnl Check for compilation tools
717 dnl Check for the tools that the makefiles require
720 AC_PATH_PROG(CMP, [cmp], [cmp])
721 AC_PATH_PROG(CP, [cp], [cp])
722 AC_PATH_PROG(DATE, [date], [date])
723 AC_PATH_PROG(FIND, [find], [find])
724 AC_PATH_PROG(GREP, [grep], [grep])
725 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
726 AC_PATH_PROG(MV, [mv], [mv])
728 AC_PATH_PROG(RM, [rm], [rm])
729 AC_PATH_PROG(SED, [sed], [sed])
730 AC_PATH_PROG(TAR, [tar], [gtar])
731 AC_PATH_PROG(BINPWD,[pwd], [pwd])
733 dnl Looking for misc. graph plotting software
734 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
735 if test "$GRAPHVIZ" != "echo Graphviz" ; then
736 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
737 dnl If we're targeting for mingw we should emit windows paths, not msys
738 if test "$llvm_cv_os_type" = "MingW" ; then
739 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
741 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
742 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
744 AC_PATH_PROG(DOT, [dot], [echo dot])
745 if test "$DOT" != "echo dot" ; then
746 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
747 dnl If we're targeting for mingw we should emit windows paths, not msys
748 if test "$llvm_cv_os_type" = "MingW" ; then
749 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
751 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
752 [Define to path to dot program if found or 'echo dot' otherwise])
754 AC_PATH_PROG(FDP, [fdp], [echo fdp])
755 if test "$FDP" != "echo fdp" ; then
756 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available])
757 dnl If we're targeting for mingw we should emit windows paths, not msys
758 if test "$llvm_cv_os_type" = "MingW" ; then
759 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
761 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}",
762 [Define to path to fdp program if found or 'echo fdp' otherwise])
764 AC_PATH_PROG(NEATO, [neato], [echo neato])
765 if test "$NEATO" != "echo neato" ; then
766 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available])
767 dnl If we're targeting for mingw we should emit windows paths, not msys
768 if test "$llvm_cv_os_type" = "MingW" ; then
769 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
771 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}",
772 [Define to path to neato program if found or 'echo neato' otherwise])
774 AC_PATH_PROG(TWOPI, [twopi], [echo twopi])
775 if test "$TWOPI" != "echo twopi" ; then
776 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available])
777 dnl If we're targeting for mingw we should emit windows paths, not msys
778 if test "$llvm_cv_os_type" = "MingW" ; then
779 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
781 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}",
782 [Define to path to twopi program if found or 'echo twopi' otherwise])
784 AC_PATH_PROG(CIRCO, [circo], [echo circo])
785 if test "$CIRCO" != "echo circo" ; then
786 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available])
787 dnl If we're targeting for mingw we should emit windows paths, not msys
788 if test "$llvm_cv_os_type" = "MingW" ; then
789 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
791 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}",
792 [Define to path to circo program if found or 'echo circo' otherwise])
794 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
795 if test "$GV" != "echo gv" ; then
796 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
797 dnl If we're targeting for mingw we should emit windows paths, not msys
798 if test "$llvm_cv_os_type" = "MingW" ; then
799 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
801 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
802 [Define to path to gv program if found or 'echo gv' otherwise])
804 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
805 if test "$DOTTY" != "echo dotty" ; then
806 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
807 dnl If we're targeting for mingw we should emit windows paths, not msys
808 if test "$llvm_cv_os_type" = "MingW" ; then
809 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
811 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
812 [Define to path to dotty program if found or 'echo dotty' otherwise])
815 dnl Look for a sufficiently recent version of Perl.
816 LLVM_PROG_PERL([5.006])
818 if test x"$PERL" = xnone; then
819 AC_SUBST(HAVE_PERL,0)
820 AC_MSG_ERROR([perl is required but was not found, please install it])
822 AC_SUBST(HAVE_PERL,1)
825 dnl Find the install program
828 dnl Checks for documentation and testing tools that we can do without. If these
829 dnl are not found then they are set to "true" which always succeeds but does
830 dnl nothing. This just lets the build output show that we could have done
831 dnl something if the tool was available.
832 AC_PATH_PROG(BZIP2, [bzip2])
833 AC_PATH_PROG(DOXYGEN, [doxygen])
834 AC_PATH_PROG(GROFF, [groff])
835 AC_PATH_PROG(GZIP, [gzip])
836 AC_PATH_PROG(POD2HTML, [pod2html])
837 AC_PATH_PROG(POD2MAN, [pod2man])
838 AC_PATH_PROG(RUNTEST, [runtest])
840 AC_PATH_PROG(ZIP, [zip])
841 AC_PATH_PROGS(OCAMLC, [ocamlc])
842 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
843 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
844 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
845 AC_PATH_PROGS(GAS, [gas as])
847 dnl Determine whether the linker supports the -R option.
850 dnl Determine whether the linker supports the -export-dynamic option.
851 AC_LINK_EXPORT_DYNAMIC
853 dnl Check for libtool and the library that has dlopen function (which must come
854 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
860 if test "$lt_cv_dlopen_self" = "yes" ; then
861 AC_DEFINE([CAN_DLOPEN_SELF],[1],
862 [Define if dlopen(0) will open the symbols of the program])
866 if test "$WITH_LLVMGCCDIR" = "default" ; then
867 LLVMGCC="llvm-gcc${EXEEXT}"
868 LLVMGXX="llvm-g++${EXEEXT}"
869 LLVMGCCCOMMAND="$LLVMGCC"
870 LLVMGXXCOMMAND="$LLVMGXX"
871 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
872 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
873 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
874 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
876 if test -z "$LLVMGCC"; then
877 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
878 LLVMGCCCOMMAND="$LLVMGCC"
880 if test -z "$LLVMGXX"; then
881 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
882 LLVMGXXCOMMAND="$LLVMGXX"
885 AC_SUBST(LLVMGCC,$LLVMGCC)
886 AC_SUBST(LLVMGXX,$LLVMGXX)
887 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
888 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
892 AC_MSG_CHECKING([tool compatibility])
894 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
895 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
896 dnl to support those options.
897 dnl "icc" emits gcc signatures
898 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
910 if test "$GCC" != "yes" && test "$ICC" != "yes"
912 AC_MSG_ERROR([gcc|icc required but not found])
915 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
916 if test "$GXX" != "yes" && test "$IXX" != "yes"
918 AC_MSG_ERROR([g++|icc required but not found])
921 dnl Verify that GCC is version 3.0 or higher
922 if test "$GCC" = "yes"
924 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
925 #error Unsupported GCC version
927 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
930 dnl Check for GNU Make. We use its extensions, so don't build without it
931 if test -z "$llvm_cv_gnu_make_command"
933 AC_MSG_ERROR([GNU Make required but not found])
936 dnl Tool compatibility is okay if we make it here.
939 dnl===-----------------------------------------------------------------------===
941 dnl=== SECTION 5: Check for libraries
943 dnl===-----------------------------------------------------------------------===
946 if test "$llvm_cv_os_type" = "MingW" ; then
947 AC_CHECK_LIB(imagehlp, main)
948 AC_CHECK_LIB(psapi, main)
951 dnl dlopen() is required for plugin support.
952 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
953 [Define if dlopen() is available on this platform.]),
954 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
956 dnl libffi is optional; used to call external functions from the interpreter
957 if test "$llvm_cv_enable_libffi" = "yes" ; then
958 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
959 [Define if libffi is available on this platform.]),
960 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
963 dnl mallinfo is optional; the code can compile (minus features) without it
964 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
965 [Define if mallinfo() is available on this platform.]))
967 dnl pthread locking functions are optional - but llvm will not be thread-safe
969 if test "$ENABLE_THREADS" -eq 1 ; then
970 AC_SEARCH_LIBS(pthread_mutex_init,pthread,
971 AC_DEFINE([HAVE_PTHREAD],[1],
973 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
974 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
975 [Have pthread_mutex_lock]))
976 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
977 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
978 [Have pthread_rwlock_init]))
979 AC_SEARCH_LIBS(pthread_getspecific,pthread,
980 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1],
981 [Have pthread_getspecific]))
984 dnl Allow extra x86-disassembler library
986 AS_HELP_STRING([--with-udis86=<path>],
987 [Use udis86 external x86 disassembler library]),
989 AC_SUBST(USE_UDIS86, [1])
992 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
994 AC_CHECK_LIB(udis86, ud_init, [], [
995 echo "Error! You need to have libudis86 around."
999 AC_SUBST(USE_UDIS86, [0]))
1000 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
1001 [Define if use udis86 library])
1003 dnl Allow OProfile support for JIT output.
1004 AC_ARG_WITH(oprofile,
1005 AS_HELP_STRING([--with-oprofile=<prefix>],
1006 [Tell OProfile >= 0.9.4 how to symbolize JIT output]),
1008 AC_SUBST(USE_OPROFILE, [1])
1010 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;;
1012 AC_SUBST(USE_OPROFILE, [0]) ;;
1013 *) llvm_cv_oppath="${withval}/lib/oprofile"
1014 CPPFLAGS="-I${withval}/include";;
1016 if test -n "$llvm_cv_oppath" ; then
1017 LIBS="$LIBS -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}"
1018 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744:
1019 dnl libbfd is not included properly in libopagent in some Debian
1020 dnl versions. If libbfd isn't found at all, we assume opagent works
1022 AC_SEARCH_LIBS(bfd_init, bfd, [], [])
1023 AC_SEARCH_LIBS(op_open_agent, opagent, [], [
1024 echo "Error! You need to have libopagent around."
1027 AC_CHECK_HEADER([opagent.h], [], [
1028 echo "Error! You need to have opagent.h around."
1034 AC_SUBST(USE_OPROFILE, [0])
1036 AC_DEFINE_UNQUOTED([USE_OPROFILE],$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 "$ac_cv_func_mmap_file" = "no"
1131 AC_MSG_WARN([mmap() of files required but not found])
1135 dnl atomic builtins are required for threading support.
1136 AC_MSG_CHECKING(for GCC atomic builtins)
1140 volatile unsigned long val = 1;
1141 __sync_synchronize();
1142 __sync_val_compare_and_swap(&val, 1, 0);
1143 __sync_add_and_fetch(&val, 1);
1144 __sync_sub_and_fetch(&val, 1);
1149 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
1151 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
1152 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
1155 dnl===-----------------------------------------------------------------------===
1157 dnl=== SECTION 9: Additional checks, variables, etc.
1159 dnl===-----------------------------------------------------------------------===
1161 dnl Handle 32-bit linux systems running a 64-bit kernel.
1162 dnl This has to come after section 4 because it invokes the compiler.
1163 if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then
1165 if test "$llvm_cv_linux_mixed" = "yes"; then
1166 llvm_cv_target_arch="x86"
1171 dnl Check, whether __dso_handle is present
1172 AC_CHECK_FUNCS([__dso_handle])
1174 dnl See if the llvm-gcc executable can compile to LLVM assembly
1175 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
1176 [llvm_cv_llvmgcc_sanity="no"
1177 if test -x "$LLVMGCC" ; then
1178 cp /dev/null conftest.c
1179 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
1180 grep 'target datalayout =' > /dev/null 2>&1
1181 if test $? -eq 0 ; then
1182 llvm_cv_llvmgcc_sanity="yes"
1187 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
1188 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
1189 AC_MSG_CHECKING([llvm-gcc component support])
1190 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
1191 AC_SUBST(LLVMCC1,$llvmcc1path)
1192 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
1193 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
1194 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
1195 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
1196 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
1197 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1198 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1199 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1200 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1201 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1202 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1203 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1207 dnl Propagate the shared library extension that the libltdl checks did to
1208 dnl the Makefiles so we can use it there too
1209 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1211 # Translate the various configuration directories and other basic
1212 # information into substitutions that will end up in Makefile.config.in
1213 # that these configured values can be used by the makefiles
1214 if test "${prefix}" = "NONE" ; then
1217 eval LLVM_PREFIX="${prefix}";
1218 eval LLVM_BINDIR="${prefix}/bin";
1219 eval LLVM_LIBDIR="${prefix}/lib";
1220 eval LLVM_DATADIR="${prefix}/share/llvm";
1221 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1222 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1223 eval LLVM_INCLUDEDIR="${prefix}/include";
1224 eval LLVM_INFODIR="${prefix}/info";
1225 eval LLVM_MANDIR="${prefix}/man";
1226 LLVM_CONFIGTIME=`date`
1227 AC_SUBST(LLVM_PREFIX)
1228 AC_SUBST(LLVM_BINDIR)
1229 AC_SUBST(LLVM_LIBDIR)
1230 AC_SUBST(LLVM_DATADIR)
1231 AC_SUBST(LLVM_DOCSDIR)
1232 AC_SUBST(LLVM_ETCDIR)
1233 AC_SUBST(LLVM_INCLUDEDIR)
1234 AC_SUBST(LLVM_INFODIR)
1235 AC_SUBST(LLVM_MANDIR)
1236 AC_SUBST(LLVM_CONFIGTIME)
1238 # Place the various directores into the config.h file as #defines so that we
1239 # can know about the installation paths within LLVM.
1240 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1241 [Installation prefix directory])
1242 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1243 [Installation directory for binary executables])
1244 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1245 [Installation directory for libraries])
1246 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1247 [Installation directory for data files])
1248 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1249 [Installation directory for documentation])
1250 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1251 [Installation directory for config files])
1252 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1253 [Installation directory for include files])
1254 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1255 [Installation directory for .info files])
1256 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1257 [Installation directory for man pages])
1258 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1259 [Time at which LLVM was configured])
1260 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1261 [Host triple we were built on])
1263 # Determine which bindings to build.
1264 if test "$BINDINGS_TO_BUILD" = auto ; then
1265 BINDINGS_TO_BUILD=""
1266 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1267 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1270 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1272 # This isn't really configurey, but it avoids having to repeat the list in
1274 AC_SUBST(ALL_BINDINGS,ocaml)
1276 # Do any work necessary to ensure that bindings have what they need.
1277 binding_prereqs_failed=0
1278 for a_binding in $BINDINGS_TO_BUILD ; do
1279 case "$a_binding" in
1281 if test "x$OCAMLC" = x ; then
1282 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1283 binding_prereqs_failed=1
1285 if test "x$OCAMLDEP" = x ; then
1286 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1287 binding_prereqs_failed=1
1289 if test "x$OCAMLOPT" = x ; then
1290 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1291 dnl ocamlopt is optional!
1293 if test "x$with_ocaml_libdir" != xauto ; then
1294 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1296 ocaml_stdlib="`"$OCAMLC" -where`"
1297 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1299 # ocaml stdlib is beneath our prefix; use stdlib
1300 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1302 # ocaml stdlib is outside our prefix; use libdir/ocaml
1303 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1309 if test "$binding_prereqs_failed" = 1 ; then
1310 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1313 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1314 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1316 dnl Determine linker rpath flag
1317 if test "$llvm_cv_link_use_r" = "yes" ; then
1324 dnl Determine linker rdynamic flag
1325 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1326 RDYNAMIC="-Wl,-export-dynamic"
1332 dnl===-----------------------------------------------------------------------===
1334 dnl=== SECTION 10: Specify the output files and generate it
1336 dnl===-----------------------------------------------------------------------===
1338 dnl Configure header files
1339 dnl WARNING: dnl If you add or remove any of the following config headers, then
1340 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1341 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1342 dnl files can be updated automatically when their *.in sources change.
1343 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1344 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1345 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1346 AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def])
1347 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1349 dnl Configure the makefile's configuration data
1350 AC_CONFIG_FILES([Makefile.config])
1352 dnl Configure the RPM spec file for LLVM
1353 AC_CONFIG_FILES([llvm.spec])
1355 dnl Configure doxygen's configuration file
1356 AC_CONFIG_FILES([docs/doxygen.cfg])
1358 dnl Configure llvmc's Base plugin
1359 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1361 dnl Do the first stage of configuration for llvm-config.in.
1362 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1364 dnl Do special configuration of Makefiles
1365 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1366 AC_CONFIG_MAKEFILE(Makefile)
1367 AC_CONFIG_MAKEFILE(Makefile.common)
1368 AC_CONFIG_MAKEFILE(examples/Makefile)
1369 AC_CONFIG_MAKEFILE(lib/Makefile)
1370 AC_CONFIG_MAKEFILE(runtime/Makefile)
1371 AC_CONFIG_MAKEFILE(test/Makefile)
1372 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1373 AC_CONFIG_MAKEFILE(unittests/Makefile)
1374 AC_CONFIG_MAKEFILE(tools/Makefile)
1375 AC_CONFIG_MAKEFILE(utils/Makefile)
1376 AC_CONFIG_MAKEFILE(projects/Makefile)
1377 AC_CONFIG_MAKEFILE(bindings/Makefile)
1378 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1380 dnl Finally, crank out the output