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 dnl Define a substitution, ARCH, for the target architecture
238 AC_SUBST(ARCH,$llvm_cv_target_arch)
240 dnl Check for the endianness of the target
241 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
243 dnl Check for build platform executable suffix if we're crosscompiling
244 if test "$cross_compiling" = yes; then
245 AC_SUBST(LLVM_CROSS_COMPILING, [1])
247 ac_build_prefix=${build_alias}-
248 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++)
249 if test -z "$BUILD_CXX"; then
250 AC_CHECK_PROG(BUILD_CXX, g++, g++)
251 if test -z "$BUILD_CXX"; then
252 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++)
256 AC_SUBST(LLVM_CROSS_COMPILING, [0])
259 dnl Check to see if there's a "CVS" (or .svn or .git) directory indicating
260 dnl that this build is being done from a checkout. This sets up several
261 dnl defaults for the command line switches. When we build with a CVS directory,
262 dnl we get a debug with assertions turned on. Without, we assume a source
263 dnl release and we get an optimized build without assertions.
264 dnl See --enable-optimized and --enable-assertions below
265 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then
268 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
274 dnl===-----------------------------------------------------------------------===
276 dnl=== SECTION 3: Command line arguments for the configure script.
278 dnl===-----------------------------------------------------------------------===
280 dnl --enable-optimized : check whether they want to do an optimized build:
281 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
282 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
283 if test ${enableval} = "no" ; then
284 AC_SUBST(ENABLE_OPTIMIZED,[[]])
286 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
289 dnl --enable-profiling : check whether they want to do a profile build:
290 AC_ARG_ENABLE(profiling, AS_HELP_STRING(
291 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no")
292 if test ${enableval} = "no" ; then
293 AC_SUBST(ENABLE_PROFILING,[[]])
295 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]])
298 dnl --enable-assertions : check whether they want to turn on assertions or not:
299 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
300 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes")
301 if test ${enableval} = "yes" ; then
302 AC_SUBST(DISABLE_ASSERTIONS,[[]])
304 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
307 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
308 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
309 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
310 if test ${enableval} = "yes" ; then
311 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
312 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
314 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
315 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
318 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
319 AC_ARG_ENABLE(debug-runtime,
320 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no)
321 if test ${enableval} = "no" ; then
322 AC_SUBST(DEBUG_RUNTIME,[[]])
324 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
327 dnl --enable-jit: check whether they want to enable the jit
329 AS_HELP_STRING(--enable-jit,
330 [Enable Just In Time Compiling (default is YES)]),,
332 if test ${enableval} = "no"
336 case "$llvm_cv_target_arch" in
337 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
338 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
339 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
340 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
341 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
342 IA64) AC_SUBST(TARGET_HAS_JIT,0) ;;
343 ARM) AC_SUBST(TARGET_HAS_JIT,0) ;;
344 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
345 PIC16) AC_SUBST(TARGET_HAS_JIT,0) ;;
346 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
347 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
348 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
352 dnl Allow enablement of doxygen generated documentation
353 AC_ARG_ENABLE(doxygen,
354 AS_HELP_STRING([--enable-doxygen],
355 [Build doxygen documentation (default is NO)]),,
358 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
359 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
360 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
361 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
364 dnl Allow disablement of threads
365 AC_ARG_ENABLE(threads,
366 AS_HELP_STRING([--enable-threads],
367 [Use threads if available (default is YES)]),,
370 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
371 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
372 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
373 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
375 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
377 dnl Allow building without position independent code
379 AS_HELP_STRING([--enable-pic],
380 [Build LLVM with Position Independent Code (default is YES)]),,
383 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
384 no) AC_SUBST(ENABLE_PIC,[0]) ;;
385 default) AC_SUBST(ENABLE_PIC,[1]) ;;
386 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
388 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
389 [Define if position independent code is enabled])
391 dnl Allow specific targets to be specified for building (or not)
393 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
394 [Build specific host targets: all,host-only,{target-name} (default=all)]),,
397 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha IA64 ARM Mips CellSPU PIC16 XCore MSP430 CBackend MSIL CppBackend" ;;
399 case "$llvm_cv_target_arch" in
400 x86) TARGETS_TO_BUILD="X86" ;;
401 x86_64) TARGETS_TO_BUILD="X86" ;;
402 Sparc) TARGETS_TO_BUILD="Sparc" ;;
403 PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
404 Alpha) TARGETS_TO_BUILD="Alpha" ;;
405 IA64) TARGETS_TO_BUILD="IA64" ;;
406 ARM) TARGETS_TO_BUILD="ARM" ;;
407 Mips) TARGETS_TO_BUILD="Mips" ;;
408 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU" ;;
409 PIC16) TARGETS_TO_BUILD="PIC16" ;;
410 XCore) TARGETS_TO_BUILD="XCore" ;;
411 MSP430) TARGETS_TO_BUILD="MSP430" ;;
412 *) AC_MSG_ERROR([Can not set target to build]) ;;
415 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
417 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
418 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
419 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
420 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
421 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
422 ia64) TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
423 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
424 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
425 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
426 pic16) TARGETS_TO_BUILD="PIC16 $TARGETS_TO_BUILD" ;;
427 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;;
428 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
429 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
430 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
431 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;;
432 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
437 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
439 dnl Prevent the CBackend from using printf("%a") for floating point so older
440 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
441 dnl can still compile the CBE's output
442 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
443 [Enable C Backend output with hex floating point via %a (default is YES)]),,
446 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
447 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
448 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
449 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
451 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
452 [Define if CBE is enabled for printf %a output])
454 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
455 AC_ARG_WITH(llvmgccdir,
456 AS_HELP_STRING([--with-llvmgccdir],
457 [Specify location of llvm-gcc install dir (default searches PATH)]),,
460 default) WITH_LLVMGCCDIR=default ;;
461 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
462 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
465 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
467 AS_HELP_STRING([--with-llvmgcc],
468 [Specify location of llvm-gcc driver (default searches PATH)]),
469 LLVMGCC=$with_llvmgcc
472 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
474 AS_HELP_STRING([--with-llvmgxx],
475 [Specify location of llvm-g++ driver (default searches PATH)]),
476 LLVMGXX=$with_llvmgxx
479 if test -n "$LLVMGCC"; then
480 LLVMGCCCOMMAND="$LLVMGCC"
483 if test -n "$LLVMGXX"; then
484 LLVMGXXCOMMAND="$LLVMGXX"
487 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
488 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
491 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
492 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
495 dnl Specify extra build options
496 AC_ARG_WITH(extra-options,
497 AS_HELP_STRING([--with-extra-options],
498 [Specify additional options to compile LLVM with]),,
501 default) EXTRA_OPTIONS= ;;
502 *) EXTRA_OPTIONS=$withval ;;
504 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
506 dnl Allow specific bindings to be specified for building (or not)
507 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
508 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
512 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
513 all ) BINDINGS_TO_BUILD="ocaml" ;;
514 none | no) BINDINGS_TO_BUILD="" ;;
515 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
517 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
518 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
524 dnl Allow the ocaml libdir to be overridden. This could go in a configure
525 dnl script for bindings/ocaml/configure, except that its auto value depends on
526 dnl OCAMLC, which is found here to support tests.
527 AC_ARG_WITH([ocaml-libdir],
528 [AS_HELP_STRING([--with-ocaml-libdir],
529 [Specify install location for ocaml bindings (default is stdlib)])],
533 auto) with_ocaml_libdir="$withval" ;;
534 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
535 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
538 dnl Allow linking of LLVM with GPLv3 binutils code.
539 AC_ARG_WITH(binutils-include,
540 AS_HELP_STRING([--with-binutils-include],
541 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
544 default) WITH_BINUTILS_INCDIR=default ;;
545 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
546 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
548 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
549 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
550 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
551 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
552 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
556 dnl --enable-libffi : check whether the user wants to turn off libffi:
557 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
558 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
561 yes) llvm_cv_enable_libffi="yes" ;;
562 no) llvm_cv_enable_libffi="no" ;;
563 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
566 dnl===-----------------------------------------------------------------------===
568 dnl=== SECTION 4: Check for programs we need and that they are the right version
570 dnl===-----------------------------------------------------------------------===
572 dnl Check for compilation tools
580 dnl Check for the tools that the makefiles require
583 AC_PATH_PROG(CMP, [cmp], [cmp])
584 AC_PATH_PROG(CP, [cp], [cp])
585 AC_PATH_PROG(DATE, [date], [date])
586 AC_PATH_PROG(FIND, [find], [find])
587 AC_PATH_PROG(GREP, [grep], [grep])
588 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
589 AC_PATH_PROG(MV, [mv], [mv])
591 AC_PATH_PROG(RM, [rm], [rm])
592 AC_PATH_PROG(SED, [sed], [sed])
593 AC_PATH_PROG(TAR, [tar], [gtar])
594 AC_PATH_PROG(BINPWD,[pwd], [pwd])
596 dnl Looking for misc. graph plotting software
597 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
598 if test "$GRAPHVIZ" != "echo Graphviz" ; then
599 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
600 dnl If we're targeting for mingw we should emit windows paths, not msys
601 if test "$llvm_cv_os_type" = "MingW" ; then
602 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
604 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
605 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
607 AC_PATH_PROG(DOT, [dot], [echo dot])
608 if test "$DOT" != "echo dot" ; then
609 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
610 dnl If we're targeting for mingw we should emit windows paths, not msys
611 if test "$llvm_cv_os_type" = "MingW" ; then
612 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
614 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
615 [Define to path to dot program if found or 'echo dot' otherwise])
617 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
618 if test "$GV" != "echo gv" ; then
619 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
620 dnl If we're targeting for mingw we should emit windows paths, not msys
621 if test "$llvm_cv_os_type" = "MingW" ; then
622 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
624 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
625 [Define to path to gv program if found or 'echo gv' otherwise])
627 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
628 if test "$DOTTY" != "echo dotty" ; then
629 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
630 dnl If we're targeting for mingw we should emit windows paths, not msys
631 if test "$llvm_cv_os_type" = "MingW" ; then
632 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
634 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
635 [Define to path to dotty program if found or 'echo dotty' otherwise])
638 dnl Look for a sufficiently recent version of Perl.
639 LLVM_PROG_PERL([5.006])
641 if test x"$PERL" = xnone; then
642 AC_SUBST(HAVE_PERL,0)
643 AC_MSG_ERROR([perl is required but was not found, please install it])
645 AC_SUBST(HAVE_PERL,1)
648 dnl Find the install program
651 dnl Checks for documentation and testing tools that we can do without. If these
652 dnl are not found then they are set to "true" which always succeeds but does
653 dnl nothing. This just lets the build output show that we could have done
654 dnl something if the tool was available.
655 AC_PATH_PROG(BZIP2, [bzip2])
656 AC_PATH_PROG(DOXYGEN, [doxygen])
657 AC_PATH_PROG(GROFF, [groff])
658 AC_PATH_PROG(GZIP, [gzip])
659 AC_PATH_PROG(POD2HTML, [pod2html])
660 AC_PATH_PROG(POD2MAN, [pod2man])
661 AC_PATH_PROG(RUNTEST, [runtest])
663 AC_PATH_PROG(ZIP, [zip])
664 AC_PATH_PROGS(OCAMLC, [ocamlc])
665 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
666 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
667 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
668 AC_PATH_PROGS(GAS, [gas as])
670 dnl Determine whether the linker supports the -R option.
673 dnl Determine whether the linker supports the -export-dynamic option.
674 AC_LINK_EXPORT_DYNAMIC
676 dnl Check for libtool and the library that has dlopen function (which must come
677 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
683 if test "$lt_cv_dlopen_self" = "yes" ; then
684 AC_DEFINE([CAN_DLOPEN_SELF],[1],
685 [Define if dlopen(0) will open the symbols of the program])
689 if test "$WITH_LLVMGCCDIR" = "default" ; then
690 LLVMGCC="llvm-gcc${EXEEXT}"
691 LLVMGXX="llvm-g++${EXEEXT}"
692 LLVMGCCCOMMAND="$LLVMGCC"
693 LLVMGXXCOMMAND="$LLVMGXX"
694 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
695 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
696 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
697 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
699 if test -z "$LLVMGCC"; then
700 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
701 LLVMGCCCOMMAND="$LLVMGCC"
703 if test -z "$LLVMGXX"; then
704 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
705 LLVMGXXCOMMAND="$LLVMGXX"
708 AC_SUBST(LLVMGCC,$LLVMGCC)
709 AC_SUBST(LLVMGXX,$LLVMGXX)
710 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
711 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
715 AC_MSG_CHECKING([tool compatibility])
717 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
718 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
719 dnl to support those options.
720 dnl "icc" emits gcc signatures
721 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
733 if test "$GCC" != "yes" && test "$ICC" != "yes"
735 AC_MSG_ERROR([gcc|icc required but not found])
738 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
739 if test "$GXX" != "yes" && test "$IXX" != "yes"
741 AC_MSG_ERROR([g++|icc required but not found])
744 dnl Verify that GCC is version 3.0 or higher
745 if test "$GCC" = "yes"
747 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
748 #error Unsupported GCC version
750 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
753 dnl Check for GNU Make. We use its extensions, so don't build without it
754 if test -z "$llvm_cv_gnu_make_command"
756 AC_MSG_ERROR([GNU Make required but not found])
759 dnl Tool compatibility is okay if we make it here.
762 dnl===-----------------------------------------------------------------------===
764 dnl=== SECTION 5: Check for libraries
766 dnl===-----------------------------------------------------------------------===
768 dnl libelf is for sparc only; we can ignore it if we don't have it
769 AC_CHECK_LIB(elf, elf_begin)
771 if test "$llvm_cv_os_type" = "MingW" ; then
772 AC_CHECK_LIB(imagehlp, main)
773 AC_CHECK_LIB(psapi, main)
776 dnl dlopen() is required for plugin support.
777 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
778 [Define if dlopen() is available on this platform.]),
779 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
781 dnl libffi is optional; used to call external functions from the interpreter
782 if test "$llvm_cv_enable_libffi" = "yes" ; then
783 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
784 [Define if libffi is available on this platform.]),
785 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
788 dnl mallinfo is optional; the code can compile (minus features) without it
789 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
790 [Define if mallinfo() is available on this platform.]))
792 dnl pthread locking functions are optional - but llvm will not be thread-safe
794 if test "$ENABLE_THREADS" -eq 1 ; then
795 AC_CHECK_LIB(pthread,pthread_mutex_init)
796 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
797 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
798 [Have pthread_mutex_lock]))
799 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
800 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
801 [Have pthread_rwlock_init]))
804 dnl Allow extra x86-disassembler library
806 AS_HELP_STRING([--with-udis86=<path>],
807 [Use udis86 external x86 disassembler library]),
809 AC_SUBST(USE_UDIS86, [1])
812 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
814 AC_CHECK_LIB(udis86, ud_init, [], [
815 echo "Error! You need to have libudis86 around."
819 AC_SUBST(USE_UDIS86, [0]))
820 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
821 [Define if use udis86 library])
823 dnl===-----------------------------------------------------------------------===
825 dnl=== SECTION 6: Check for header files
827 dnl===-----------------------------------------------------------------------===
829 dnl First, use autoconf provided macros for specific headers that we need
830 dnl We don't check for ancient stuff or things that are guaranteed to be there
831 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
832 dnl Generally we're looking for POSIX headers.
834 AC_HEADER_MMAP_ANONYMOUS
840 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
841 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
842 AC_CHECK_HEADERS([utime.h windows.h])
843 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
844 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
845 if test "$ENABLE_THREADS" -eq 1 ; then
846 AC_CHECK_HEADERS(pthread.h,
847 AC_SUBST(HAVE_PTHREAD, 1),
848 AC_SUBST(HAVE_PTHREAD, 0))
850 AC_SUBST(HAVE_PTHREAD, 0)
853 dnl Try to find ffi.h.
854 if test "$llvm_cv_enable_libffi" = "yes" ; then
855 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
858 dnl===-----------------------------------------------------------------------===
860 dnl=== SECTION 7: Check for types and structures
862 dnl===-----------------------------------------------------------------------===
869 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
870 AC_CHECK_TYPES([uint64_t],,
871 AC_CHECK_TYPES([u_int64_t],,
872 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
874 dnl===-----------------------------------------------------------------------===
876 dnl=== SECTION 8: Check for specific functions needed
878 dnl===-----------------------------------------------------------------------===
880 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
881 AC_CHECK_FUNCS([powf fmodf strtof round ])
882 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
883 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
884 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup strerror strerror_r ])
885 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
886 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
891 dnl Check for variations in the Standard C++ library and STL. These macros are
892 dnl provided by LLVM in the autoconf/m4 directory.
893 AC_CXX_HAVE_STD_ITERATOR
894 AC_CXX_HAVE_BI_ITERATOR
895 AC_CXX_HAVE_FWD_ITERATOR
899 dnl Check for mmap support.We also need to know if /dev/zero is required to
900 dnl be opened for allocating RWX memory.
901 dnl Make sure we aren't attempting to configure for an unknown system
902 if test "$llvm_cv_platform_type" = "Unix" ; then
905 AC_NEED_DEV_ZERO_FOR_MMAP
907 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
909 AC_MSG_WARN([mmap() of a fixed address required but not supported])
911 if test "$ac_cv_func_mmap_file" = "no"
913 AC_MSG_WARN([mmap() of files required but not found])
917 dnl atomic builtins are required for threading support.
918 AC_MSG_CHECKING(for GCC atomic builtins)
922 volatile unsigned long val = 1;
923 __sync_synchronize();
924 __sync_val_compare_and_swap(&val, 1, 0);
929 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
931 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
932 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
935 dnl===-----------------------------------------------------------------------===
937 dnl=== SECTION 9: Additional checks, variables, etc.
939 dnl===-----------------------------------------------------------------------===
941 dnl Check, whether __dso_handle is present
942 AC_CHECK_FUNCS([__dso_handle])
944 dnl See if the llvm-gcc executable can compile to LLVM assembly
945 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
946 [llvm_cv_llvmgcc_sanity="no"
947 if test -x "$LLVMGCC" ; then
948 cp /dev/null conftest.c
949 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
950 grep 'target datalayout =' > /dev/null 2>&1
951 if test $? -eq 0 ; then
952 llvm_cv_llvmgcc_sanity="yes"
957 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
958 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
959 AC_MSG_CHECKING([llvm-gcc component support])
960 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
961 AC_SUBST(LLVMCC1,$llvmcc1path)
962 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
963 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
964 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
965 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
966 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
967 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
968 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
969 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
970 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
971 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
972 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
973 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
977 dnl Propagate the shared library extension that the libltdl checks did to
978 dnl the Makefiles so we can use it there too
979 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
981 # Translate the various configuration directories and other basic
982 # information into substitutions that will end up in Makefile.config.in
983 # that these configured values can be used by the makefiles
984 if test "${prefix}" = "NONE" ; then
987 eval LLVM_PREFIX="${prefix}";
988 eval LLVM_BINDIR="${prefix}/bin";
989 eval LLVM_LIBDIR="${prefix}/lib";
990 eval LLVM_DATADIR="${prefix}/share/llvm";
991 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
992 eval LLVM_ETCDIR="${prefix}/etc/llvm";
993 eval LLVM_INCLUDEDIR="${prefix}/include";
994 eval LLVM_INFODIR="${prefix}/info";
995 eval LLVM_MANDIR="${prefix}/man";
996 LLVM_CONFIGTIME=`date`
997 AC_SUBST(LLVM_PREFIX)
998 AC_SUBST(LLVM_BINDIR)
999 AC_SUBST(LLVM_LIBDIR)
1000 AC_SUBST(LLVM_DATADIR)
1001 AC_SUBST(LLVM_DOCSDIR)
1002 AC_SUBST(LLVM_ETCDIR)
1003 AC_SUBST(LLVM_INCLUDEDIR)
1004 AC_SUBST(LLVM_INFODIR)
1005 AC_SUBST(LLVM_MANDIR)
1006 AC_SUBST(LLVM_CONFIGTIME)
1008 # Place the various directores into the config.h file as #defines so that we
1009 # can know about the installation paths within LLVM.
1010 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1011 [Installation prefix directory])
1012 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1013 [Installation directory for binary executables])
1014 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1015 [Installation directory for libraries])
1016 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1017 [Installation directory for data files])
1018 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1019 [Installation directory for documentation])
1020 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1021 [Installation directory for config files])
1022 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1023 [Installation directory for include files])
1024 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1025 [Installation directory for .info files])
1026 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1027 [Installation directory for man pages])
1028 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1029 [Time at which LLVM was configured])
1030 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1031 [Host triple we were built on])
1033 # Determine which bindings to build.
1034 if test "$BINDINGS_TO_BUILD" = auto ; then
1035 BINDINGS_TO_BUILD=""
1036 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1037 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1040 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1042 # This isn't really configurey, but it avoids having to repeat the list in
1044 AC_SUBST(ALL_BINDINGS,ocaml)
1046 # Do any work necessary to ensure that bindings have what they need.
1047 binding_prereqs_failed=0
1048 for a_binding in $BINDINGS_TO_BUILD ; do
1049 case "$a_binding" in
1051 if test "x$OCAMLC" = x ; then
1052 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1053 binding_prereqs_failed=1
1055 if test "x$OCAMLDEP" = x ; then
1056 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1057 binding_prereqs_failed=1
1059 if test "x$OCAMLOPT" = x ; then
1060 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1061 dnl ocamlopt is optional!
1063 if test "x$with_ocaml_libdir" != xauto ; then
1064 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1066 ocaml_stdlib="`"$OCAMLC" -where`"
1067 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1069 # ocaml stdlib is beneath our prefix; use stdlib
1070 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1072 # ocaml stdlib is outside our prefix; use libdir/ocaml
1073 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1079 if test "$binding_prereqs_failed" = 1 ; then
1080 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1083 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1084 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1086 dnl Determine linker rpath flag
1087 if test "$llvm_cv_link_use_r" = "yes" ; then
1094 dnl Determine linker rdynamic flag
1095 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1096 RDYNAMIC="-Wl,-export-dynamic"
1102 dnl===-----------------------------------------------------------------------===
1104 dnl=== SECTION 10: Specify the output files and generate it
1106 dnl===-----------------------------------------------------------------------===
1108 dnl Configure header files
1109 dnl WARNING: dnl If you add or remove any of the following config headers, then
1110 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1111 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1112 dnl files can be updated automatically when their *.in sources change.
1113 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1114 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1115 AC_CONFIG_HEADERS([include/llvm/ADT/iterator.h])
1117 dnl Configure the makefile's configuration data
1118 AC_CONFIG_FILES([Makefile.config])
1120 dnl Configure the RPM spec file for LLVM
1121 AC_CONFIG_FILES([llvm.spec])
1123 dnl Configure doxygen's configuration file
1124 AC_CONFIG_FILES([docs/doxygen.cfg])
1126 dnl Configure llvmc's Base plugin
1127 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1129 dnl Do the first stage of configuration for llvm-config.in.
1130 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1132 dnl Do special configuration of Makefiles
1133 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1134 AC_CONFIG_MAKEFILE(Makefile)
1135 AC_CONFIG_MAKEFILE(Makefile.common)
1136 AC_CONFIG_MAKEFILE(examples/Makefile)
1137 AC_CONFIG_MAKEFILE(lib/Makefile)
1138 AC_CONFIG_MAKEFILE(runtime/Makefile)
1139 AC_CONFIG_MAKEFILE(test/Makefile)
1140 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1141 AC_CONFIG_MAKEFILE(unittests/Makefile)
1142 AC_CONFIG_MAKEFILE(tools/Makefile)
1143 AC_CONFIG_MAKEFILE(utils/Makefile)
1144 AC_CONFIG_MAKEFILE(projects/Makefile)
1145 AC_CONFIG_MAKEFILE(bindings/Makefile)
1146 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1148 dnl Finally, crank out the output