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]],[[2.6svn]],[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) 2003-2008 University of Illinois at Urbana-Champaign."])
39 AC_COPYRIGHT([Copyright (c) 2003-2008 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=""
180 llvm_cv_no_link_all_option=""
181 llvm_cv_os_type="Unknown"
182 llvm_cv_platform_type="Unknown" ;;
185 dnl Make sure we aren't attempting to configure for an unknown system
186 if test "$llvm_cv_os_type" = "Unknown" ; then
187 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
190 dnl Set the "OS" Makefile variable based on the platform type so the
191 dnl makefile can configure itself to specific build hosts
192 AC_SUBST(OS,$llvm_cv_os_type)
194 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
195 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
196 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
198 dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type
199 dnl This is used by lib/System to determine the basic kind of implementation
201 case $llvm_cv_platform_type in
203 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
204 AC_SUBST(LLVM_ON_UNIX,[1])
205 AC_SUBST(LLVM_ON_WIN32,[0])
208 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
209 AC_SUBST(LLVM_ON_UNIX,[0])
210 AC_SUBST(LLVM_ON_WIN32,[1])
214 dnl Determine what our target architecture is and configure accordingly.
215 dnl This will allow Makefiles to make a distinction between the hardware and
217 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
219 i?86-*) llvm_cv_target_arch="x86" ;;
220 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
221 sparc*-*) llvm_cv_target_arch="Sparc" ;;
222 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
223 alpha*-*) llvm_cv_target_arch="Alpha" ;;
224 ia64-*) llvm_cv_target_arch="IA64" ;;
225 arm*-*) llvm_cv_target_arch="ARM" ;;
226 mips-*) llvm_cv_target_arch="Mips" ;;
227 pic16-*) llvm_cv_target_arch="PIC16" ;;
228 xcore-*) llvm_cv_target_arch="XCore" ;;
229 msp430-*) llvm_cv_target_arch="MSP430" ;;
230 *) llvm_cv_target_arch="Unknown" ;;
233 if test "$llvm_cv_target_arch" = "Unknown" ; then
234 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
237 # Determine the LLVM native architecture for the target
238 case "$llvm_cv_target_arch" in
239 x86) LLVM_NATIVE_ARCH="X86" ;;
240 x86_64) LLVM_NATIVE_ARCH="X86" ;;
241 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;;
244 dnl Define a substitution, ARCH, for the target architecture
245 AC_SUBST(ARCH,$llvm_cv_target_arch)
247 dnl Check for the endianness of the target
248 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
250 dnl Check for build platform executable suffix if we're crosscompiling
251 if test "$cross_compiling" = yes; then
252 AC_SUBST(LLVM_CROSS_COMPILING, [1])
254 ac_build_prefix=${build_alias}-
255 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
256 if test -z "$BUILD_CXX"; then
257 AC_CHECK_PROG(BUILD_CXX, g++, g++)
258 if test -z "$BUILD_CXX"; then
259 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
263 AC_SUBST(LLVM_CROSS_COMPILING, [0])
266 dnl Check to see if there's a "CVS" (or .svn or .git) directory indicating
267 dnl that this build is being done from a checkout. This sets up several
268 dnl defaults for the command line switches. When we build with a CVS directory,
269 dnl we get a debug with assertions turned on. Without, we assume a source
270 dnl release and we get an optimized build without assertions.
271 dnl See --enable-optimized and --enable-assertions below
272 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
275 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
281 dnl===-----------------------------------------------------------------------===
283 dnl=== SECTION 3: Command line arguments for the configure script.
285 dnl===-----------------------------------------------------------------------===
287 dnl --enable-optimized : check whether they want to do an optimized build:
288 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
289 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
290 if test ${enableval} = "no" ; then
291 AC_SUBST(ENABLE_OPTIMIZED,[[]])
293 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
296 dnl --enable-profiling : check whether they want to do a profile build:
297 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
298 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
299 if test ${enableval} = "no" ; then
300 AC_SUBST(ENABLE_PROFILING,[[]])
302 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
305 dnl --enable-assertions : check whether they want to turn on assertions or not:
306 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
307 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
308 if test ${enableval} = "yes" ; then
309 AC_SUBST(DISABLE_ASSERTIONS,[[]])
311 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
314 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
315 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
316 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
317 if test ${enableval} = "yes" ; then
318 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
319 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
321 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
322 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
325 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
326 AC_ARG_ENABLE(debug-runtime,
327 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
328 if test ${enableval} = "no" ; then
329 AC_SUBST(DEBUG_RUNTIME,[[]])
331 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
334 dnl --enable-jit: check whether they want to enable the jit
336 AS_HELP_STRING(--enable-jit,
337 [Enable Just In Time Compiling (default is YES)]),,
339 if test ${enableval} = "no"
343 case "$llvm_cv_target_arch" in
344 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
345 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
346 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
347 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
348 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
349 IA64) AC_SUBST(TARGET_HAS_JIT,0) ;;
350 ARM) AC_SUBST(TARGET_HAS_JIT,0) ;;
351 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
352 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
353 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
354 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
355 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
359 dnl Allow enablement of doxygen generated documentation
360 AC_ARG_ENABLE(doxygen,
361 AS_HELP_STRING([--enable-doxygen],
362 [Build doxygen documentation (default is NO)]),,
365 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
366 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
367 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
368 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
371 dnl Allow disablement of threads
372 AC_ARG_ENABLE(threads,
373 AS_HELP_STRING([--enable-threads],
374 [Use threads if available (default is YES)]),,
377 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
378 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
379 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
380 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
382 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
384 dnl Allow building without position independent code
386 AS_HELP_STRING([--enable-pic],
387 [Build LLVM with Position Independent Code (default is YES)]),,
390 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
391 no) AC_SUBST(ENABLE_PIC,[0]) ;;
392 default) AC_SUBST(ENABLE_PIC,[1]) ;;
393 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
395 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
396 [Define if position independent code is enabled])
398 dnl Allow specific targets to be specified for building (or not)
400 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
401 [Build specific host targets: all,host-only,{target-name} (default=all)]),,
404 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha IA64 ARM Mips CellSPU PIC16 XCore MSP430 CBackend MSIL CppBackend" ;;
406 case "$llvm_cv_target_arch" in
407 x86) TARGETS_TO_BUILD="X86" ;;
408 x86_64) TARGETS_TO_BUILD="X86" ;;
409 Sparc) TARGETS_TO_BUILD="Sparc" ;;
410 PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
411 Alpha) TARGETS_TO_BUILD="Alpha" ;;
412 IA64) TARGETS_TO_BUILD="IA64" ;;
413 ARM) TARGETS_TO_BUILD="ARM" ;;
414 Mips) TARGETS_TO_BUILD="Mips" ;;
415 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU" ;;
416 PIC16) TARGETS_TO_BUILD="PIC16" ;;
417 XCore) TARGETS_TO_BUILD="XCore" ;;
418 MSP430) TARGETS_TO_BUILD="MSP430" ;;
419 *) AC_MSG_ERROR([Can not set target to build]) ;;
422 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
424 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
425 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
426 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
427 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
428 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
429 ia64) TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
430 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
431 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
432 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
433 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
434 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
435 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
436 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
437 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
438 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
439 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
444 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
446 # Determine whether we are building LLVM support for the native architecture.
447 # If so, define LLVM_NATIVE_ARCH to that LLVM target.
448 for a_target in $TARGETS_TO_BUILD; do
449 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then
450 LLVM_NATIVE_ARCHTARGET="${LLVM_NATIVE_ARCH}Target"
451 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCHTARGET,
452 [LLVM architecture name for the native architecture, if available])
456 # Build the LLVM_TARGET and LLVM_ASM_PRINTER macro uses for
457 # Targets.def and AsmPrinters.def.
459 LLVM_ENUM_ASM_PRINTERS=""
460 for target_to_build in $TARGETS_TO_BUILD; do
461 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
462 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
463 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
466 AC_SUBST(LLVM_ENUM_TARGETS)
467 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
469 dnl Prevent the CBackend from using printf("%a") for floating point so older
470 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
471 dnl can still compile the CBE's output
472 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
473 [Enable C Backend output with hex floating point via %a (default is YES)]),,
476 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
477 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
478 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
479 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
481 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
482 [Define if CBE is enabled for printf %a output])
484 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
485 AC_ARG_WITH(llvmgccdir,
486 AS_HELP_STRING([--with-llvmgccdir],
487 [Specify location of llvm-gcc install dir (default searches PATH)]),,
490 default) WITH_LLVMGCCDIR=default ;;
491 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
492 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
495 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
497 AS_HELP_STRING([--with-llvmgcc],
498 [Specify location of llvm-gcc driver (default searches PATH)]),
499 LLVMGCC=$with_llvmgcc
502 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
504 AS_HELP_STRING([--with-llvmgxx],
505 [Specify location of llvm-g++ driver (default searches PATH)]),
506 LLVMGXX=$with_llvmgxx
509 if test -n "$LLVMGCC"; then
510 LLVMGCCCOMMAND="$LLVMGCC"
513 if test -n "$LLVMGXX"; then
514 LLVMGXXCOMMAND="$LLVMGXX"
517 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
518 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
521 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
522 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
525 dnl Specify extra build options
526 AC_ARG_WITH(extra-options,
527 AS_HELP_STRING([--with-extra-options],
528 [Specify additional options to compile LLVM with]),,
531 default) EXTRA_OPTIONS= ;;
532 *) EXTRA_OPTIONS=$withval ;;
534 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
536 dnl Allow specific bindings to be specified for building (or not)
537 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
538 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
542 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
543 all ) BINDINGS_TO_BUILD="ocaml" ;;
544 none | no) BINDINGS_TO_BUILD="" ;;
545 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
547 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
548 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
554 dnl Allow the ocaml libdir to be overridden. This could go in a configure
555 dnl script for bindings/ocaml/configure, except that its auto value depends on
556 dnl OCAMLC, which is found here to support tests.
557 AC_ARG_WITH([ocaml-libdir],
558 [AS_HELP_STRING([--with-ocaml-libdir],
559 [Specify install location for ocaml bindings (default is stdlib)])],
563 auto) with_ocaml_libdir="$withval" ;;
564 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
565 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
568 dnl Allow linking of LLVM with GPLv3 binutils code.
569 AC_ARG_WITH(binutils-include,
570 AS_HELP_STRING([--with-binutils-include],
571 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
574 default) WITH_BINUTILS_INCDIR=default ;;
575 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
576 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
578 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
579 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
580 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
581 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
582 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
586 dnl --enable-libffi : check whether the user wants to turn off libffi:
587 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
588 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
591 yes) llvm_cv_enable_libffi="yes" ;;
592 no) llvm_cv_enable_libffi="no" ;;
593 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
596 dnl===-----------------------------------------------------------------------===
598 dnl=== SECTION 4: Check for programs we need and that they are the right version
600 dnl===-----------------------------------------------------------------------===
602 dnl Check for compilation tools
610 dnl Check for the tools that the makefiles require
613 AC_PATH_PROG(CMP, [cmp], [cmp])
614 AC_PATH_PROG(CP, [cp], [cp])
615 AC_PATH_PROG(DATE, [date], [date])
616 AC_PATH_PROG(FIND, [find], [find])
617 AC_PATH_PROG(GREP, [grep], [grep])
618 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
619 AC_PATH_PROG(MV, [mv], [mv])
621 AC_PATH_PROG(RM, [rm], [rm])
622 AC_PATH_PROG(SED, [sed], [sed])
623 AC_PATH_PROG(TAR, [tar], [gtar])
624 AC_PATH_PROG(BINPWD,[pwd], [pwd])
626 dnl Looking for misc. graph plotting software
627 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
628 if test "$GRAPHVIZ" != "echo Graphviz" ; then
629 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
630 dnl If we're targeting for mingw we should emit windows paths, not msys
631 if test "$llvm_cv_os_type" = "MingW" ; then
632 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
634 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
635 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
637 AC_PATH_PROG(DOT, [dot], [echo dot])
638 if test "$DOT" != "echo dot" ; then
639 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
640 dnl If we're targeting for mingw we should emit windows paths, not msys
641 if test "$llvm_cv_os_type" = "MingW" ; then
642 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
644 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
645 [Define to path to dot program if found or 'echo dot' otherwise])
647 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
648 if test "$GV" != "echo gv" ; then
649 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
650 dnl If we're targeting for mingw we should emit windows paths, not msys
651 if test "$llvm_cv_os_type" = "MingW" ; then
652 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
654 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
655 [Define to path to gv program if found or 'echo gv' otherwise])
657 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
658 if test "$DOTTY" != "echo dotty" ; then
659 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
660 dnl If we're targeting for mingw we should emit windows paths, not msys
661 if test "$llvm_cv_os_type" = "MingW" ; then
662 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
664 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
665 [Define to path to dotty program if found or 'echo dotty' otherwise])
668 dnl Look for a sufficiently recent version of Perl.
669 LLVM_PROG_PERL([5.006])
671 if test x"$PERL" = xnone; then
672 AC_SUBST(HAVE_PERL,0)
673 AC_MSG_ERROR([perl is required but was not found, please install it])
675 AC_SUBST(HAVE_PERL,1)
678 dnl Find the install program
681 dnl Checks for documentation and testing tools that we can do without. If these
682 dnl are not found then they are set to "true" which always succeeds but does
683 dnl nothing. This just lets the build output show that we could have done
684 dnl something if the tool was available.
685 AC_PATH_PROG(BZIP2, [bzip2])
686 AC_PATH_PROG(DOXYGEN, [doxygen])
687 AC_PATH_PROG(GROFF, [groff])
688 AC_PATH_PROG(GZIP, [gzip])
689 AC_PATH_PROG(POD2HTML, [pod2html])
690 AC_PATH_PROG(POD2MAN, [pod2man])
691 AC_PATH_PROG(RUNTEST, [runtest])
693 AC_PATH_PROG(ZIP, [zip])
694 AC_PATH_PROGS(OCAMLC, [ocamlc])
695 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
696 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
697 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
698 AC_PATH_PROGS(GAS, [gas as])
700 dnl Determine whether the linker supports the -R option.
703 dnl Determine whether the linker supports the -export-dynamic option.
704 AC_LINK_EXPORT_DYNAMIC
706 dnl Check for libtool and the library that has dlopen function (which must come
707 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
713 if test "$lt_cv_dlopen_self" = "yes" ; then
714 AC_DEFINE([CAN_DLOPEN_SELF],[1],
715 [Define if dlopen(0) will open the symbols of the program])
719 if test "$WITH_LLVMGCCDIR" = "default" ; then
720 LLVMGCC="llvm-gcc${EXEEXT}"
721 LLVMGXX="llvm-g++${EXEEXT}"
722 LLVMGCCCOMMAND="$LLVMGCC"
723 LLVMGXXCOMMAND="$LLVMGXX"
724 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
725 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
726 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
727 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
729 if test -z "$LLVMGCC"; then
730 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
731 LLVMGCCCOMMAND="$LLVMGCC"
733 if test -z "$LLVMGXX"; then
734 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
735 LLVMGXXCOMMAND="$LLVMGXX"
738 AC_SUBST(LLVMGCC,$LLVMGCC)
739 AC_SUBST(LLVMGXX,$LLVMGXX)
740 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
741 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
745 AC_MSG_CHECKING([tool compatibility])
747 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
748 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
749 dnl to support those options.
750 dnl "icc" emits gcc signatures
751 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
763 if test "$GCC" != "yes" && test "$ICC" != "yes"
765 AC_MSG_ERROR([gcc|icc required but not found])
768 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
769 if test "$GXX" != "yes" && test "$IXX" != "yes"
771 AC_MSG_ERROR([g++|icc required but not found])
774 dnl Verify that GCC is version 3.0 or higher
775 if test "$GCC" = "yes"
777 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
778 #error Unsupported GCC version
780 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
783 dnl Check for GNU Make. We use its extensions, so don't build without it
784 if test -z "$llvm_cv_gnu_make_command"
786 AC_MSG_ERROR([GNU Make required but not found])
789 dnl Tool compatibility is okay if we make it here.
792 dnl===-----------------------------------------------------------------------===
794 dnl=== SECTION 5: Check for libraries
796 dnl===-----------------------------------------------------------------------===
798 dnl libelf is for sparc only; we can ignore it if we don't have it
799 AC_CHECK_LIB(elf, elf_begin)
801 if test "$llvm_cv_os_type" = "MingW" ; then
802 AC_CHECK_LIB(imagehlp, main)
803 AC_CHECK_LIB(psapi, main)
806 dnl dlopen() is required for plugin support.
807 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
808 [Define if dlopen() is available on this platform.]),
809 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
811 dnl libffi is optional; used to call external functions from the interpreter
812 if test "$llvm_cv_enable_libffi" = "yes" ; then
813 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
814 [Define if libffi is available on this platform.]),
815 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
818 dnl mallinfo is optional; the code can compile (minus features) without it
819 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
820 [Define if mallinfo() is available on this platform.]))
822 dnl pthread locking functions are optional - but llvm will not be thread-safe
824 if test "$ENABLE_THREADS" -eq 1 ; then
825 AC_CHECK_LIB(pthread,pthread_mutex_init)
826 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
827 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
828 [Have pthread_mutex_lock]))
829 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
830 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
831 [Have pthread_rwlock_init]))
834 dnl Allow extra x86-disassembler library
836 AS_HELP_STRING([--with-udis86=<path>],
837 [Use udis86 external x86 disassembler library]),
839 AC_SUBST(USE_UDIS86, [1])
842 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
844 AC_CHECK_LIB(udis86, ud_init, [], [
845 echo "Error! You need to have libudis86 around."
849 AC_SUBST(USE_UDIS86, [0]))
850 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
851 [Define if use udis86 library])
853 dnl===-----------------------------------------------------------------------===
855 dnl=== SECTION 6: Check for header files
857 dnl===-----------------------------------------------------------------------===
859 dnl First, use autoconf provided macros for specific headers that we need
860 dnl We don't check for ancient stuff or things that are guaranteed to be there
861 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
862 dnl Generally we're looking for POSIX headers.
864 AC_HEADER_MMAP_ANONYMOUS
870 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
871 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
872 AC_CHECK_HEADERS([utime.h windows.h])
873 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
874 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
875 if test "$ENABLE_THREADS" -eq 1 ; then
876 AC_CHECK_HEADERS(pthread.h,
877 AC_SUBST(HAVE_PTHREAD, 1),
878 AC_SUBST(HAVE_PTHREAD, 0))
880 AC_SUBST(HAVE_PTHREAD, 0)
883 dnl Try to find ffi.h.
884 if test "$llvm_cv_enable_libffi" = "yes" ; then
885 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
888 dnl===-----------------------------------------------------------------------===
890 dnl=== SECTION 7: Check for types and structures
892 dnl===-----------------------------------------------------------------------===
899 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
900 AC_CHECK_TYPES([uint64_t],,
901 AC_CHECK_TYPES([u_int64_t],,
902 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
904 dnl===-----------------------------------------------------------------------===
906 dnl=== SECTION 8: Check for specific functions needed
908 dnl===-----------------------------------------------------------------------===
910 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
911 AC_CHECK_FUNCS([powf fmodf strtof round ])
912 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
913 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
914 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup strerror strerror_r ])
915 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
916 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
921 dnl Check for variations in the Standard C++ library and STL. These macros are
922 dnl provided by LLVM in the autoconf/m4 directory.
923 AC_CXX_HAVE_STD_ITERATOR
924 AC_CXX_HAVE_BI_ITERATOR
925 AC_CXX_HAVE_FWD_ITERATOR
929 dnl Check for mmap support.We also need to know if /dev/zero is required to
930 dnl be opened for allocating RWX memory.
931 dnl Make sure we aren't attempting to configure for an unknown system
932 if test "$llvm_cv_platform_type" = "Unix" ; then
935 AC_NEED_DEV_ZERO_FOR_MMAP
937 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
939 AC_MSG_WARN([mmap() of a fixed address required but not supported])
941 if test "$ac_cv_func_mmap_file" = "no"
943 AC_MSG_WARN([mmap() of files required but not found])
947 dnl atomic builtins are required for threading support.
948 AC_MSG_CHECKING(for GCC atomic builtins)
952 volatile unsigned long val = 1;
953 __sync_synchronize();
954 __sync_val_compare_and_swap(&val, 1, 0);
955 __sync_add_and_fetch(&val, 1);
956 __sync_sub_and_fetch(&val, 1);
961 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
963 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
964 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
967 dnl===-----------------------------------------------------------------------===
969 dnl=== SECTION 9: Additional checks, variables, etc.
971 dnl===-----------------------------------------------------------------------===
973 dnl Check, whether __dso_handle is present
974 AC_CHECK_FUNCS([__dso_handle])
976 dnl See if the llvm-gcc executable can compile to LLVM assembly
977 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
978 [llvm_cv_llvmgcc_sanity="no"
979 if test -x "$LLVMGCC" ; then
980 cp /dev/null conftest.c
981 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
982 grep 'target datalayout =' > /dev/null 2>&1
983 if test $? -eq 0 ; then
984 llvm_cv_llvmgcc_sanity="yes"
989 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
990 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
991 AC_MSG_CHECKING([llvm-gcc component support])
992 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
993 AC_SUBST(LLVMCC1,$llvmcc1path)
994 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
995 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
996 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
997 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
998 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
999 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
1000 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1001 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1002 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1003 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1004 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1005 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1009 dnl Propagate the shared library extension that the libltdl checks did to
1010 dnl the Makefiles so we can use it there too
1011 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1013 # Translate the various configuration directories and other basic
1014 # information into substitutions that will end up in Makefile.config.in
1015 # that these configured values can be used by the makefiles
1016 if test "${prefix}" = "NONE" ; then
1019 eval LLVM_PREFIX="${prefix}";
1020 eval LLVM_BINDIR="${prefix}/bin";
1021 eval LLVM_LIBDIR="${prefix}/lib";
1022 eval LLVM_DATADIR="${prefix}/share/llvm";
1023 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1024 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1025 eval LLVM_INCLUDEDIR="${prefix}/include";
1026 eval LLVM_INFODIR="${prefix}/info";
1027 eval LLVM_MANDIR="${prefix}/man";
1028 LLVM_CONFIGTIME=`date`
1029 AC_SUBST(LLVM_PREFIX)
1030 AC_SUBST(LLVM_BINDIR)
1031 AC_SUBST(LLVM_LIBDIR)
1032 AC_SUBST(LLVM_DATADIR)
1033 AC_SUBST(LLVM_DOCSDIR)
1034 AC_SUBST(LLVM_ETCDIR)
1035 AC_SUBST(LLVM_INCLUDEDIR)
1036 AC_SUBST(LLVM_INFODIR)
1037 AC_SUBST(LLVM_MANDIR)
1038 AC_SUBST(LLVM_CONFIGTIME)
1040 # Place the various directores into the config.h file as #defines so that we
1041 # can know about the installation paths within LLVM.
1042 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1043 [Installation prefix directory])
1044 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1045 [Installation directory for binary executables])
1046 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1047 [Installation directory for libraries])
1048 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1049 [Installation directory for data files])
1050 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1051 [Installation directory for documentation])
1052 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1053 [Installation directory for config files])
1054 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1055 [Installation directory for include files])
1056 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1057 [Installation directory for .info files])
1058 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1059 [Installation directory for man pages])
1060 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1061 [Time at which LLVM was configured])
1062 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1063 [Host triple we were built on])
1065 # Determine which bindings to build.
1066 if test "$BINDINGS_TO_BUILD" = auto ; then
1067 BINDINGS_TO_BUILD=""
1068 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1069 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1072 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1074 # This isn't really configurey, but it avoids having to repeat the list in
1076 AC_SUBST(ALL_BINDINGS,ocaml)
1078 # Do any work necessary to ensure that bindings have what they need.
1079 binding_prereqs_failed=0
1080 for a_binding in $BINDINGS_TO_BUILD ; do
1081 case "$a_binding" in
1083 if test "x$OCAMLC" = x ; then
1084 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1085 binding_prereqs_failed=1
1087 if test "x$OCAMLDEP" = x ; then
1088 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1089 binding_prereqs_failed=1
1091 if test "x$OCAMLOPT" = x ; then
1092 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1093 dnl ocamlopt is optional!
1095 if test "x$with_ocaml_libdir" != xauto ; then
1096 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1098 ocaml_stdlib="`"$OCAMLC" -where`"
1099 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1101 # ocaml stdlib is beneath our prefix; use stdlib
1102 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1104 # ocaml stdlib is outside our prefix; use libdir/ocaml
1105 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1111 if test "$binding_prereqs_failed" = 1 ; then
1112 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1115 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1116 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1118 dnl Determine linker rpath flag
1119 if test "$llvm_cv_link_use_r" = "yes" ; then
1126 dnl Determine linker rdynamic flag
1127 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1128 RDYNAMIC="-Wl,-export-dynamic"
1134 dnl===-----------------------------------------------------------------------===
1136 dnl=== SECTION 10: Specify the output files and generate it
1138 dnl===-----------------------------------------------------------------------===
1140 dnl Configure header files
1141 dnl WARNING: dnl If you add or remove any of the following config headers, then
1142 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1143 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1144 dnl files can be updated automatically when their *.in sources change.
1145 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1146 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1147 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1148 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1149 AC_CONFIG_HEADERS([include/llvm/ADT/iterator.h])
1151 dnl Configure the makefile's configuration data
1152 AC_CONFIG_FILES([Makefile.config])
1154 dnl Configure the RPM spec file for LLVM
1155 AC_CONFIG_FILES([llvm.spec])
1157 dnl Configure doxygen's configuration file
1158 AC_CONFIG_FILES([docs/doxygen.cfg])
1160 dnl Configure llvmc's Base plugin
1161 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1163 dnl Do the first stage of configuration for llvm-config.in.
1164 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1166 dnl Do special configuration of Makefiles
1167 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1168 AC_CONFIG_MAKEFILE(Makefile)
1169 AC_CONFIG_MAKEFILE(Makefile.common)
1170 AC_CONFIG_MAKEFILE(examples/Makefile)
1171 AC_CONFIG_MAKEFILE(lib/Makefile)
1172 AC_CONFIG_MAKEFILE(runtime/Makefile)
1173 AC_CONFIG_MAKEFILE(test/Makefile)
1174 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1175 AC_CONFIG_MAKEFILE(unittests/Makefile)
1176 AC_CONFIG_MAKEFILE(tools/Makefile)
1177 AC_CONFIG_MAKEFILE(utils/Makefile)
1178 AC_CONFIG_MAKEFILE(projects/Makefile)
1179 AC_CONFIG_MAKEFILE(bindings/Makefile)
1180 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1182 dnl Finally, crank out the output