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" = "$LLVM_NATIVE_ARCH"; then
450 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH,$LLVM_NATIVE_ARCH,
451 [LLVM architecture name for the native architecture, if available])
455 # Build the LLVM_TARGET and LLVM_ASM_PRINTER macro uses for
456 # Targets.def and AsmPrinters.def.
458 LLVM_ENUM_ASM_PRINTERS=""
459 for target_to_build in $TARGETS_TO_BUILD; do
460 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
461 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
462 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
465 AC_SUBST(LLVM_ENUM_TARGETS)
466 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
468 dnl Prevent the CBackend from using printf("%a") for floating point so older
469 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
470 dnl can still compile the CBE's output
471 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
472 [Enable C Backend output with hex floating point via %a (default is YES)]),,
475 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
476 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
477 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
478 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
480 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
481 [Define if CBE is enabled for printf %a output])
483 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
484 AC_ARG_WITH(llvmgccdir,
485 AS_HELP_STRING([--with-llvmgccdir],
486 [Specify location of llvm-gcc install dir (default searches PATH)]),,
489 default) WITH_LLVMGCCDIR=default ;;
490 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
491 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
494 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
496 AS_HELP_STRING([--with-llvmgcc],
497 [Specify location of llvm-gcc driver (default searches PATH)]),
498 LLVMGCC=$with_llvmgcc
501 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
503 AS_HELP_STRING([--with-llvmgxx],
504 [Specify location of llvm-g++ driver (default searches PATH)]),
505 LLVMGXX=$with_llvmgxx
508 if test -n "$LLVMGCC"; then
509 LLVMGCCCOMMAND="$LLVMGCC"
512 if test -n "$LLVMGXX"; then
513 LLVMGXXCOMMAND="$LLVMGXX"
516 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
517 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
520 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
521 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
524 dnl Specify extra build options
525 AC_ARG_WITH(extra-options,
526 AS_HELP_STRING([--with-extra-options],
527 [Specify additional options to compile LLVM with]),,
530 default) EXTRA_OPTIONS= ;;
531 *) EXTRA_OPTIONS=$withval ;;
533 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
535 dnl Allow specific bindings to be specified for building (or not)
536 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
537 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
541 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
542 all ) BINDINGS_TO_BUILD="ocaml" ;;
543 none | no) BINDINGS_TO_BUILD="" ;;
544 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
546 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
547 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
553 dnl Allow the ocaml libdir to be overridden. This could go in a configure
554 dnl script for bindings/ocaml/configure, except that its auto value depends on
555 dnl OCAMLC, which is found here to support tests.
556 AC_ARG_WITH([ocaml-libdir],
557 [AS_HELP_STRING([--with-ocaml-libdir],
558 [Specify install location for ocaml bindings (default is stdlib)])],
562 auto) with_ocaml_libdir="$withval" ;;
563 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
564 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
567 dnl Allow linking of LLVM with GPLv3 binutils code.
568 AC_ARG_WITH(binutils-include,
569 AS_HELP_STRING([--with-binutils-include],
570 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
573 default) WITH_BINUTILS_INCDIR=default ;;
574 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
575 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
577 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
578 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
579 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
580 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
581 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
585 dnl --enable-libffi : check whether the user wants to turn off libffi:
586 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
587 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
590 yes) llvm_cv_enable_libffi="yes" ;;
591 no) llvm_cv_enable_libffi="no" ;;
592 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
595 dnl===-----------------------------------------------------------------------===
597 dnl=== SECTION 4: Check for programs we need and that they are the right version
599 dnl===-----------------------------------------------------------------------===
601 dnl Check for compilation tools
609 dnl Check for the tools that the makefiles require
612 AC_PATH_PROG(CMP, [cmp], [cmp])
613 AC_PATH_PROG(CP, [cp], [cp])
614 AC_PATH_PROG(DATE, [date], [date])
615 AC_PATH_PROG(FIND, [find], [find])
616 AC_PATH_PROG(GREP, [grep], [grep])
617 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
618 AC_PATH_PROG(MV, [mv], [mv])
620 AC_PATH_PROG(RM, [rm], [rm])
621 AC_PATH_PROG(SED, [sed], [sed])
622 AC_PATH_PROG(TAR, [tar], [gtar])
623 AC_PATH_PROG(BINPWD,[pwd], [pwd])
625 dnl Looking for misc. graph plotting software
626 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
627 if test "$GRAPHVIZ" != "echo Graphviz" ; then
628 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
629 dnl If we're targeting for mingw we should emit windows paths, not msys
630 if test "$llvm_cv_os_type" = "MingW" ; then
631 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
633 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
634 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
636 AC_PATH_PROG(DOT, [dot], [echo dot])
637 if test "$DOT" != "echo dot" ; then
638 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
639 dnl If we're targeting for mingw we should emit windows paths, not msys
640 if test "$llvm_cv_os_type" = "MingW" ; then
641 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
643 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
644 [Define to path to dot program if found or 'echo dot' otherwise])
646 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
647 if test "$GV" != "echo gv" ; then
648 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
649 dnl If we're targeting for mingw we should emit windows paths, not msys
650 if test "$llvm_cv_os_type" = "MingW" ; then
651 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
653 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
654 [Define to path to gv program if found or 'echo gv' otherwise])
656 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
657 if test "$DOTTY" != "echo dotty" ; then
658 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
659 dnl If we're targeting for mingw we should emit windows paths, not msys
660 if test "$llvm_cv_os_type" = "MingW" ; then
661 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
663 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
664 [Define to path to dotty program if found or 'echo dotty' otherwise])
667 dnl Look for a sufficiently recent version of Perl.
668 LLVM_PROG_PERL([5.006])
670 if test x"$PERL" = xnone; then
671 AC_SUBST(HAVE_PERL,0)
672 AC_MSG_ERROR([perl is required but was not found, please install it])
674 AC_SUBST(HAVE_PERL,1)
677 dnl Find the install program
680 dnl Checks for documentation and testing tools that we can do without. If these
681 dnl are not found then they are set to "true" which always succeeds but does
682 dnl nothing. This just lets the build output show that we could have done
683 dnl something if the tool was available.
684 AC_PATH_PROG(BZIP2, [bzip2])
685 AC_PATH_PROG(DOXYGEN, [doxygen])
686 AC_PATH_PROG(GROFF, [groff])
687 AC_PATH_PROG(GZIP, [gzip])
688 AC_PATH_PROG(POD2HTML, [pod2html])
689 AC_PATH_PROG(POD2MAN, [pod2man])
690 AC_PATH_PROG(RUNTEST, [runtest])
692 AC_PATH_PROG(ZIP, [zip])
693 AC_PATH_PROGS(OCAMLC, [ocamlc])
694 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
695 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
696 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
697 AC_PATH_PROGS(GAS, [gas as])
699 dnl Determine whether the linker supports the -R option.
702 dnl Determine whether the linker supports the -export-dynamic option.
703 AC_LINK_EXPORT_DYNAMIC
705 dnl Check for libtool and the library that has dlopen function (which must come
706 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
712 if test "$lt_cv_dlopen_self" = "yes" ; then
713 AC_DEFINE([CAN_DLOPEN_SELF],[1],
714 [Define if dlopen(0) will open the symbols of the program])
718 if test "$WITH_LLVMGCCDIR" = "default" ; then
719 LLVMGCC="llvm-gcc${EXEEXT}"
720 LLVMGXX="llvm-g++${EXEEXT}"
721 LLVMGCCCOMMAND="$LLVMGCC"
722 LLVMGXXCOMMAND="$LLVMGXX"
723 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
724 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
725 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
726 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
728 if test -z "$LLVMGCC"; then
729 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
730 LLVMGCCCOMMAND="$LLVMGCC"
732 if test -z "$LLVMGXX"; then
733 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
734 LLVMGXXCOMMAND="$LLVMGXX"
737 AC_SUBST(LLVMGCC,$LLVMGCC)
738 AC_SUBST(LLVMGXX,$LLVMGXX)
739 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
740 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
744 AC_MSG_CHECKING([tool compatibility])
746 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
747 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
748 dnl to support those options.
749 dnl "icc" emits gcc signatures
750 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
762 if test "$GCC" != "yes" && test "$ICC" != "yes"
764 AC_MSG_ERROR([gcc|icc required but not found])
767 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
768 if test "$GXX" != "yes" && test "$IXX" != "yes"
770 AC_MSG_ERROR([g++|icc required but not found])
773 dnl Verify that GCC is version 3.0 or higher
774 if test "$GCC" = "yes"
776 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
777 #error Unsupported GCC version
779 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
782 dnl Check for GNU Make. We use its extensions, so don't build without it
783 if test -z "$llvm_cv_gnu_make_command"
785 AC_MSG_ERROR([GNU Make required but not found])
788 dnl Tool compatibility is okay if we make it here.
791 dnl===-----------------------------------------------------------------------===
793 dnl=== SECTION 5: Check for libraries
795 dnl===-----------------------------------------------------------------------===
797 dnl libelf is for sparc only; we can ignore it if we don't have it
798 AC_CHECK_LIB(elf, elf_begin)
800 if test "$llvm_cv_os_type" = "MingW" ; then
801 AC_CHECK_LIB(imagehlp, main)
802 AC_CHECK_LIB(psapi, main)
805 dnl dlopen() is required for plugin support.
806 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
807 [Define if dlopen() is available on this platform.]),
808 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
810 dnl libffi is optional; used to call external functions from the interpreter
811 if test "$llvm_cv_enable_libffi" = "yes" ; then
812 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
813 [Define if libffi is available on this platform.]),
814 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
817 dnl mallinfo is optional; the code can compile (minus features) without it
818 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
819 [Define if mallinfo() is available on this platform.]))
821 dnl pthread locking functions are optional - but llvm will not be thread-safe
823 if test "$ENABLE_THREADS" -eq 1 ; then
824 AC_CHECK_LIB(pthread,pthread_mutex_init)
825 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
826 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
827 [Have pthread_mutex_lock]))
828 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
829 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
830 [Have pthread_rwlock_init]))
833 dnl Allow extra x86-disassembler library
835 AS_HELP_STRING([--with-udis86=<path>],
836 [Use udis86 external x86 disassembler library]),
838 AC_SUBST(USE_UDIS86, [1])
841 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
843 AC_CHECK_LIB(udis86, ud_init, [], [
844 echo "Error! You need to have libudis86 around."
848 AC_SUBST(USE_UDIS86, [0]))
849 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
850 [Define if use udis86 library])
852 dnl===-----------------------------------------------------------------------===
854 dnl=== SECTION 6: Check for header files
856 dnl===-----------------------------------------------------------------------===
858 dnl First, use autoconf provided macros for specific headers that we need
859 dnl We don't check for ancient stuff or things that are guaranteed to be there
860 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
861 dnl Generally we're looking for POSIX headers.
863 AC_HEADER_MMAP_ANONYMOUS
869 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
870 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
871 AC_CHECK_HEADERS([utime.h windows.h])
872 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
873 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
874 if test "$ENABLE_THREADS" -eq 1 ; then
875 AC_CHECK_HEADERS(pthread.h,
876 AC_SUBST(HAVE_PTHREAD, 1),
877 AC_SUBST(HAVE_PTHREAD, 0))
879 AC_SUBST(HAVE_PTHREAD, 0)
882 dnl Try to find ffi.h.
883 if test "$llvm_cv_enable_libffi" = "yes" ; then
884 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
887 dnl===-----------------------------------------------------------------------===
889 dnl=== SECTION 7: Check for types and structures
891 dnl===-----------------------------------------------------------------------===
898 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
899 AC_CHECK_TYPES([uint64_t],,
900 AC_CHECK_TYPES([u_int64_t],,
901 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
903 dnl===-----------------------------------------------------------------------===
905 dnl=== SECTION 8: Check for specific functions needed
907 dnl===-----------------------------------------------------------------------===
909 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
910 AC_CHECK_FUNCS([powf fmodf strtof round ])
911 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
912 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
913 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup strerror strerror_r ])
914 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
915 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
920 dnl Check for variations in the Standard C++ library and STL. These macros are
921 dnl provided by LLVM in the autoconf/m4 directory.
922 AC_CXX_HAVE_STD_ITERATOR
923 AC_CXX_HAVE_BI_ITERATOR
924 AC_CXX_HAVE_FWD_ITERATOR
928 dnl Check for mmap support.We also need to know if /dev/zero is required to
929 dnl be opened for allocating RWX memory.
930 dnl Make sure we aren't attempting to configure for an unknown system
931 if test "$llvm_cv_platform_type" = "Unix" ; then
934 AC_NEED_DEV_ZERO_FOR_MMAP
936 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
938 AC_MSG_WARN([mmap() of a fixed address required but not supported])
940 if test "$ac_cv_func_mmap_file" = "no"
942 AC_MSG_WARN([mmap() of files required but not found])
946 dnl atomic builtins are required for threading support.
947 AC_MSG_CHECKING(for GCC atomic builtins)
951 volatile unsigned long val = 1;
952 __sync_synchronize();
953 __sync_val_compare_and_swap(&val, 1, 0);
954 __sync_add_and_fetch(&val, 1);
955 __sync_sub_and_fetch(&val, 1);
960 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
962 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
963 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
966 dnl===-----------------------------------------------------------------------===
968 dnl=== SECTION 9: Additional checks, variables, etc.
970 dnl===-----------------------------------------------------------------------===
972 dnl Check, whether __dso_handle is present
973 AC_CHECK_FUNCS([__dso_handle])
975 dnl See if the llvm-gcc executable can compile to LLVM assembly
976 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
977 [llvm_cv_llvmgcc_sanity="no"
978 if test -x "$LLVMGCC" ; then
979 cp /dev/null conftest.c
980 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
981 grep 'target datalayout =' > /dev/null 2>&1
982 if test $? -eq 0 ; then
983 llvm_cv_llvmgcc_sanity="yes"
988 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
989 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
990 AC_MSG_CHECKING([llvm-gcc component support])
991 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
992 AC_SUBST(LLVMCC1,$llvmcc1path)
993 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
994 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
995 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
996 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
997 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
998 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
999 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
1000 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
1001 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
1002 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
1003 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
1004 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
1008 dnl Propagate the shared library extension that the libltdl checks did to
1009 dnl the Makefiles so we can use it there too
1010 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
1012 # Translate the various configuration directories and other basic
1013 # information into substitutions that will end up in Makefile.config.in
1014 # that these configured values can be used by the makefiles
1015 if test "${prefix}" = "NONE" ; then
1018 eval LLVM_PREFIX="${prefix}";
1019 eval LLVM_BINDIR="${prefix}/bin";
1020 eval LLVM_LIBDIR="${prefix}/lib";
1021 eval LLVM_DATADIR="${prefix}/share/llvm";
1022 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1023 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1024 eval LLVM_INCLUDEDIR="${prefix}/include";
1025 eval LLVM_INFODIR="${prefix}/info";
1026 eval LLVM_MANDIR="${prefix}/man";
1027 LLVM_CONFIGTIME=`date`
1028 AC_SUBST(LLVM_PREFIX)
1029 AC_SUBST(LLVM_BINDIR)
1030 AC_SUBST(LLVM_LIBDIR)
1031 AC_SUBST(LLVM_DATADIR)
1032 AC_SUBST(LLVM_DOCSDIR)
1033 AC_SUBST(LLVM_ETCDIR)
1034 AC_SUBST(LLVM_INCLUDEDIR)
1035 AC_SUBST(LLVM_INFODIR)
1036 AC_SUBST(LLVM_MANDIR)
1037 AC_SUBST(LLVM_CONFIGTIME)
1039 # Place the various directores into the config.h file as #defines so that we
1040 # can know about the installation paths within LLVM.
1041 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1042 [Installation prefix directory])
1043 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1044 [Installation directory for binary executables])
1045 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1046 [Installation directory for libraries])
1047 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1048 [Installation directory for data files])
1049 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1050 [Installation directory for documentation])
1051 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1052 [Installation directory for config files])
1053 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1054 [Installation directory for include files])
1055 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1056 [Installation directory for .info files])
1057 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1058 [Installation directory for man pages])
1059 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1060 [Time at which LLVM was configured])
1061 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1062 [Host triple we were built on])
1064 # Determine which bindings to build.
1065 if test "$BINDINGS_TO_BUILD" = auto ; then
1066 BINDINGS_TO_BUILD=""
1067 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1068 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1071 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1073 # This isn't really configurey, but it avoids having to repeat the list in
1075 AC_SUBST(ALL_BINDINGS,ocaml)
1077 # Do any work necessary to ensure that bindings have what they need.
1078 binding_prereqs_failed=0
1079 for a_binding in $BINDINGS_TO_BUILD ; do
1080 case "$a_binding" in
1082 if test "x$OCAMLC" = x ; then
1083 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1084 binding_prereqs_failed=1
1086 if test "x$OCAMLDEP" = x ; then
1087 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1088 binding_prereqs_failed=1
1090 if test "x$OCAMLOPT" = x ; then
1091 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1092 dnl ocamlopt is optional!
1094 if test "x$with_ocaml_libdir" != xauto ; then
1095 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1097 ocaml_stdlib="`"$OCAMLC" -where`"
1098 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1100 # ocaml stdlib is beneath our prefix; use stdlib
1101 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1103 # ocaml stdlib is outside our prefix; use libdir/ocaml
1104 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1110 if test "$binding_prereqs_failed" = 1 ; then
1111 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1114 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1115 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1117 dnl Determine linker rpath flag
1118 if test "$llvm_cv_link_use_r" = "yes" ; then
1125 dnl Determine linker rdynamic flag
1126 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1127 RDYNAMIC="-Wl,-export-dynamic"
1133 dnl===-----------------------------------------------------------------------===
1135 dnl=== SECTION 10: Specify the output files and generate it
1137 dnl===-----------------------------------------------------------------------===
1139 dnl Configure header files
1140 dnl WARNING: dnl If you add or remove any of the following config headers, then
1141 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1142 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1143 dnl files can be updated automatically when their *.in sources change.
1144 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1145 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1146 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1147 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1148 AC_CONFIG_HEADERS([include/llvm/ADT/iterator.h])
1150 dnl Configure the makefile's configuration data
1151 AC_CONFIG_FILES([Makefile.config])
1153 dnl Configure the RPM spec file for LLVM
1154 AC_CONFIG_FILES([llvm.spec])
1156 dnl Configure doxygen's configuration file
1157 AC_CONFIG_FILES([docs/doxygen.cfg])
1159 dnl Configure llvmc's Base plugin
1160 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1162 dnl Do the first stage of configuration for llvm-config.in.
1163 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1165 dnl Do special configuration of Makefiles
1166 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1167 AC_CONFIG_MAKEFILE(Makefile)
1168 AC_CONFIG_MAKEFILE(Makefile.common)
1169 AC_CONFIG_MAKEFILE(examples/Makefile)
1170 AC_CONFIG_MAKEFILE(lib/Makefile)
1171 AC_CONFIG_MAKEFILE(runtime/Makefile)
1172 AC_CONFIG_MAKEFILE(test/Makefile)
1173 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1174 AC_CONFIG_MAKEFILE(unittests/Makefile)
1175 AC_CONFIG_MAKEFILE(tools/Makefile)
1176 AC_CONFIG_MAKEFILE(utils/Makefile)
1177 AC_CONFIG_MAKEFILE(projects/Makefile)
1178 AC_CONFIG_MAKEFILE(bindings/Makefile)
1179 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1181 dnl Finally, crank out the output