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 # Build the LLVM_TARGET and LLVM_ASM_PRINTER macro uses for
440 # Targets.def and AsmPrinters.def.
442 LLVM_ENUM_ASM_PRINTERS=""
443 for target_to_build in $TARGETS_TO_BUILD; do
444 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS"
445 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmPrinter/Makefile ; then
446 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS";
449 AC_SUBST(LLVM_ENUM_TARGETS)
450 AC_SUBST(LLVM_ENUM_ASM_PRINTERS)
452 dnl Prevent the CBackend from using printf("%a") for floating point so older
453 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
454 dnl can still compile the CBE's output
455 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
456 [Enable C Backend output with hex floating point via %a (default is YES)]),,
459 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
460 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
461 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
462 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
464 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
465 [Define if CBE is enabled for printf %a output])
467 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
468 AC_ARG_WITH(llvmgccdir,
469 AS_HELP_STRING([--with-llvmgccdir],
470 [Specify location of llvm-gcc install dir (default searches PATH)]),,
473 default) WITH_LLVMGCCDIR=default ;;
474 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
475 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
478 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
480 AS_HELP_STRING([--with-llvmgcc],
481 [Specify location of llvm-gcc driver (default searches PATH)]),
482 LLVMGCC=$with_llvmgcc
485 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
487 AS_HELP_STRING([--with-llvmgxx],
488 [Specify location of llvm-g++ driver (default searches PATH)]),
489 LLVMGXX=$with_llvmgxx
492 if test -n "$LLVMGCC"; then
493 LLVMGCCCOMMAND="$LLVMGCC"
496 if test -n "$LLVMGXX"; then
497 LLVMGXXCOMMAND="$LLVMGXX"
500 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
501 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
504 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
505 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
508 dnl Specify extra build options
509 AC_ARG_WITH(extra-options,
510 AS_HELP_STRING([--with-extra-options],
511 [Specify additional options to compile LLVM with]),,
514 default) EXTRA_OPTIONS= ;;
515 *) EXTRA_OPTIONS=$withval ;;
517 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
519 dnl Allow specific bindings to be specified for building (or not)
520 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
521 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
525 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
526 all ) BINDINGS_TO_BUILD="ocaml" ;;
527 none | no) BINDINGS_TO_BUILD="" ;;
528 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
530 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
531 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
537 dnl Allow the ocaml libdir to be overridden. This could go in a configure
538 dnl script for bindings/ocaml/configure, except that its auto value depends on
539 dnl OCAMLC, which is found here to support tests.
540 AC_ARG_WITH([ocaml-libdir],
541 [AS_HELP_STRING([--with-ocaml-libdir],
542 [Specify install location for ocaml bindings (default is stdlib)])],
546 auto) with_ocaml_libdir="$withval" ;;
547 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
548 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
551 dnl Allow linking of LLVM with GPLv3 binutils code.
552 AC_ARG_WITH(binutils-include,
553 AS_HELP_STRING([--with-binutils-include],
554 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),,
557 default) WITH_BINUTILS_INCDIR=default ;;
558 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;;
559 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;;
561 if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then
562 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR)
563 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then
564 echo "$WITH_BINUTILS_INCDIR/plugin-api.h"
565 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]);
569 dnl --enable-libffi : check whether the user wants to turn off libffi:
570 AC_ARG_ENABLE(libffi,AS_HELP_STRING(
571 --enable-libffi,[Check for the presence of libffi (default is YES)]),,
574 yes) llvm_cv_enable_libffi="yes" ;;
575 no) llvm_cv_enable_libffi="no" ;;
576 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;;
579 dnl===-----------------------------------------------------------------------===
581 dnl=== SECTION 4: Check for programs we need and that they are the right version
583 dnl===-----------------------------------------------------------------------===
585 dnl Check for compilation tools
593 dnl Check for the tools that the makefiles require
596 AC_PATH_PROG(CMP, [cmp], [cmp])
597 AC_PATH_PROG(CP, [cp], [cp])
598 AC_PATH_PROG(DATE, [date], [date])
599 AC_PATH_PROG(FIND, [find], [find])
600 AC_PATH_PROG(GREP, [grep], [grep])
601 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
602 AC_PATH_PROG(MV, [mv], [mv])
604 AC_PATH_PROG(RM, [rm], [rm])
605 AC_PATH_PROG(SED, [sed], [sed])
606 AC_PATH_PROG(TAR, [tar], [gtar])
607 AC_PATH_PROG(BINPWD,[pwd], [pwd])
609 dnl Looking for misc. graph plotting software
610 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
611 if test "$GRAPHVIZ" != "echo Graphviz" ; then
612 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
613 dnl If we're targeting for mingw we should emit windows paths, not msys
614 if test "$llvm_cv_os_type" = "MingW" ; then
615 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
617 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
618 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
620 AC_PATH_PROG(DOT, [dot], [echo dot])
621 if test "$DOT" != "echo dot" ; then
622 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
623 dnl If we're targeting for mingw we should emit windows paths, not msys
624 if test "$llvm_cv_os_type" = "MingW" ; then
625 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
627 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
628 [Define to path to dot program if found or 'echo dot' otherwise])
630 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
631 if test "$GV" != "echo gv" ; then
632 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
633 dnl If we're targeting for mingw we should emit windows paths, not msys
634 if test "$llvm_cv_os_type" = "MingW" ; then
635 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
637 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
638 [Define to path to gv program if found or 'echo gv' otherwise])
640 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
641 if test "$DOTTY" != "echo dotty" ; then
642 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
643 dnl If we're targeting for mingw we should emit windows paths, not msys
644 if test "$llvm_cv_os_type" = "MingW" ; then
645 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
647 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
648 [Define to path to dotty program if found or 'echo dotty' otherwise])
651 dnl Look for a sufficiently recent version of Perl.
652 LLVM_PROG_PERL([5.006])
654 if test x"$PERL" = xnone; then
655 AC_SUBST(HAVE_PERL,0)
656 AC_MSG_ERROR([perl is required but was not found, please install it])
658 AC_SUBST(HAVE_PERL,1)
661 dnl Find the install program
664 dnl Checks for documentation and testing tools that we can do without. If these
665 dnl are not found then they are set to "true" which always succeeds but does
666 dnl nothing. This just lets the build output show that we could have done
667 dnl something if the tool was available.
668 AC_PATH_PROG(BZIP2, [bzip2])
669 AC_PATH_PROG(DOXYGEN, [doxygen])
670 AC_PATH_PROG(GROFF, [groff])
671 AC_PATH_PROG(GZIP, [gzip])
672 AC_PATH_PROG(POD2HTML, [pod2html])
673 AC_PATH_PROG(POD2MAN, [pod2man])
674 AC_PATH_PROG(RUNTEST, [runtest])
676 AC_PATH_PROG(ZIP, [zip])
677 AC_PATH_PROGS(OCAMLC, [ocamlc])
678 AC_PATH_PROGS(OCAMLOPT, [ocamlopt])
679 AC_PATH_PROGS(OCAMLDEP, [ocamldep])
680 AC_PATH_PROGS(OCAMLDOC, [ocamldoc])
681 AC_PATH_PROGS(GAS, [gas as])
683 dnl Determine whether the linker supports the -R option.
686 dnl Determine whether the linker supports the -export-dynamic option.
687 AC_LINK_EXPORT_DYNAMIC
689 dnl Check for libtool and the library that has dlopen function (which must come
690 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
696 if test "$lt_cv_dlopen_self" = "yes" ; then
697 AC_DEFINE([CAN_DLOPEN_SELF],[1],
698 [Define if dlopen(0) will open the symbols of the program])
702 if test "$WITH_LLVMGCCDIR" = "default" ; then
703 LLVMGCC="llvm-gcc${EXEEXT}"
704 LLVMGXX="llvm-g++${EXEEXT}"
705 LLVMGCCCOMMAND="$LLVMGCC"
706 LLVMGXXCOMMAND="$LLVMGXX"
707 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
708 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
709 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
710 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
712 if test -z "$LLVMGCC"; then
713 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
714 LLVMGCCCOMMAND="$LLVMGCC"
716 if test -z "$LLVMGXX"; then
717 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
718 LLVMGXXCOMMAND="$LLVMGXX"
721 AC_SUBST(LLVMGCC,$LLVMGCC)
722 AC_SUBST(LLVMGXX,$LLVMGXX)
723 AC_SUBST(LLVMGCCCOMMAND,$LLVMGCCCOMMAND)
724 AC_SUBST(LLVMGXXCOMMAND,$LLVMGXXCOMMAND)
728 AC_MSG_CHECKING([tool compatibility])
730 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
731 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
732 dnl to support those options.
733 dnl "icc" emits gcc signatures
734 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
746 if test "$GCC" != "yes" && test "$ICC" != "yes"
748 AC_MSG_ERROR([gcc|icc required but not found])
751 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
752 if test "$GXX" != "yes" && test "$IXX" != "yes"
754 AC_MSG_ERROR([g++|icc required but not found])
757 dnl Verify that GCC is version 3.0 or higher
758 if test "$GCC" = "yes"
760 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
761 #error Unsupported GCC version
763 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
766 dnl Check for GNU Make. We use its extensions, so don't build without it
767 if test -z "$llvm_cv_gnu_make_command"
769 AC_MSG_ERROR([GNU Make required but not found])
772 dnl Tool compatibility is okay if we make it here.
775 dnl===-----------------------------------------------------------------------===
777 dnl=== SECTION 5: Check for libraries
779 dnl===-----------------------------------------------------------------------===
781 dnl libelf is for sparc only; we can ignore it if we don't have it
782 AC_CHECK_LIB(elf, elf_begin)
784 if test "$llvm_cv_os_type" = "MingW" ; then
785 AC_CHECK_LIB(imagehlp, main)
786 AC_CHECK_LIB(psapi, main)
789 dnl dlopen() is required for plugin support.
790 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
791 [Define if dlopen() is available on this platform.]),
792 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
794 dnl libffi is optional; used to call external functions from the interpreter
795 if test "$llvm_cv_enable_libffi" = "yes" ; then
796 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1],
797 [Define if libffi is available on this platform.]),
798 AC_MSG_WARN([libffi not found - disabling external calls from interpreter]))
801 dnl mallinfo is optional; the code can compile (minus features) without it
802 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
803 [Define if mallinfo() is available on this platform.]))
805 dnl pthread locking functions are optional - but llvm will not be thread-safe
807 if test "$ENABLE_THREADS" -eq 1 ; then
808 AC_CHECK_LIB(pthread,pthread_mutex_init)
809 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
810 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
811 [Have pthread_mutex_lock]))
812 AC_SEARCH_LIBS(pthread_rwlock_init,pthread,
813 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1],
814 [Have pthread_rwlock_init]))
817 dnl Allow extra x86-disassembler library
819 AS_HELP_STRING([--with-udis86=<path>],
820 [Use udis86 external x86 disassembler library]),
822 AC_SUBST(USE_UDIS86, [1])
825 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
827 AC_CHECK_LIB(udis86, ud_init, [], [
828 echo "Error! You need to have libudis86 around."
832 AC_SUBST(USE_UDIS86, [0]))
833 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
834 [Define if use udis86 library])
836 dnl===-----------------------------------------------------------------------===
838 dnl=== SECTION 6: Check for header files
840 dnl===-----------------------------------------------------------------------===
842 dnl First, use autoconf provided macros for specific headers that we need
843 dnl We don't check for ancient stuff or things that are guaranteed to be there
844 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
845 dnl Generally we're looking for POSIX headers.
847 AC_HEADER_MMAP_ANONYMOUS
853 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
854 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
855 AC_CHECK_HEADERS([utime.h windows.h])
856 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
857 AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
858 if test "$ENABLE_THREADS" -eq 1 ; then
859 AC_CHECK_HEADERS(pthread.h,
860 AC_SUBST(HAVE_PTHREAD, 1),
861 AC_SUBST(HAVE_PTHREAD, 0))
863 AC_SUBST(HAVE_PTHREAD, 0)
866 dnl Try to find ffi.h.
867 if test "$llvm_cv_enable_libffi" = "yes" ; then
868 AC_CHECK_HEADERS([ffi.h ffi/ffi.h])
871 dnl===-----------------------------------------------------------------------===
873 dnl=== SECTION 7: Check for types and structures
875 dnl===-----------------------------------------------------------------------===
882 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
883 AC_CHECK_TYPES([uint64_t],,
884 AC_CHECK_TYPES([u_int64_t],,
885 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
887 dnl===-----------------------------------------------------------------------===
889 dnl=== SECTION 8: Check for specific functions needed
891 dnl===-----------------------------------------------------------------------===
893 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
894 AC_CHECK_FUNCS([powf fmodf strtof round ])
895 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
896 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
897 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup strerror strerror_r ])
898 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
899 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
904 dnl Check for variations in the Standard C++ library and STL. These macros are
905 dnl provided by LLVM in the autoconf/m4 directory.
906 AC_CXX_HAVE_STD_ITERATOR
907 AC_CXX_HAVE_BI_ITERATOR
908 AC_CXX_HAVE_FWD_ITERATOR
912 dnl Check for mmap support.We also need to know if /dev/zero is required to
913 dnl be opened for allocating RWX memory.
914 dnl Make sure we aren't attempting to configure for an unknown system
915 if test "$llvm_cv_platform_type" = "Unix" ; then
918 AC_NEED_DEV_ZERO_FOR_MMAP
920 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
922 AC_MSG_WARN([mmap() of a fixed address required but not supported])
924 if test "$ac_cv_func_mmap_file" = "no"
926 AC_MSG_WARN([mmap() of files required but not found])
930 dnl atomic builtins are required for threading support.
931 AC_MSG_CHECKING(for GCC atomic builtins)
935 volatile unsigned long val = 1;
936 __sync_synchronize();
937 __sync_val_compare_and_swap(&val, 1, 0);
942 AC_DEFINE(LLVM_MULTITHREADED, 1, Build multithreading support into LLVM),
944 AC_DEFINE(LLVM_MULTITHREADED, 0, Build multithreading support into LLVM)
945 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing]))
948 dnl===-----------------------------------------------------------------------===
950 dnl=== SECTION 9: Additional checks, variables, etc.
952 dnl===-----------------------------------------------------------------------===
954 dnl Check, whether __dso_handle is present
955 AC_CHECK_FUNCS([__dso_handle])
957 dnl See if the llvm-gcc executable can compile to LLVM assembly
958 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
959 [llvm_cv_llvmgcc_sanity="no"
960 if test -x "$LLVMGCC" ; then
961 cp /dev/null conftest.c
962 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
963 grep 'target datalayout =' > /dev/null 2>&1
964 if test $? -eq 0 ; then
965 llvm_cv_llvmgcc_sanity="yes"
970 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
971 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
972 AC_MSG_CHECKING([llvm-gcc component support])
973 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
974 AC_SUBST(LLVMCC1,$llvmcc1path)
975 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
976 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
977 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
978 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
979 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
980 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
981 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
982 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
983 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
984 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
985 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`]
986 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
990 dnl Propagate the shared library extension that the libltdl checks did to
991 dnl the Makefiles so we can use it there too
992 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
994 # Translate the various configuration directories and other basic
995 # information into substitutions that will end up in Makefile.config.in
996 # that these configured values can be used by the makefiles
997 if test "${prefix}" = "NONE" ; then
1000 eval LLVM_PREFIX="${prefix}";
1001 eval LLVM_BINDIR="${prefix}/bin";
1002 eval LLVM_LIBDIR="${prefix}/lib";
1003 eval LLVM_DATADIR="${prefix}/share/llvm";
1004 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
1005 eval LLVM_ETCDIR="${prefix}/etc/llvm";
1006 eval LLVM_INCLUDEDIR="${prefix}/include";
1007 eval LLVM_INFODIR="${prefix}/info";
1008 eval LLVM_MANDIR="${prefix}/man";
1009 LLVM_CONFIGTIME=`date`
1010 AC_SUBST(LLVM_PREFIX)
1011 AC_SUBST(LLVM_BINDIR)
1012 AC_SUBST(LLVM_LIBDIR)
1013 AC_SUBST(LLVM_DATADIR)
1014 AC_SUBST(LLVM_DOCSDIR)
1015 AC_SUBST(LLVM_ETCDIR)
1016 AC_SUBST(LLVM_INCLUDEDIR)
1017 AC_SUBST(LLVM_INFODIR)
1018 AC_SUBST(LLVM_MANDIR)
1019 AC_SUBST(LLVM_CONFIGTIME)
1021 # Place the various directores into the config.h file as #defines so that we
1022 # can know about the installation paths within LLVM.
1023 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
1024 [Installation prefix directory])
1025 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
1026 [Installation directory for binary executables])
1027 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
1028 [Installation directory for libraries])
1029 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
1030 [Installation directory for data files])
1031 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
1032 [Installation directory for documentation])
1033 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
1034 [Installation directory for config files])
1035 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
1036 [Installation directory for include files])
1037 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
1038 [Installation directory for .info files])
1039 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
1040 [Installation directory for man pages])
1041 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
1042 [Time at which LLVM was configured])
1043 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
1044 [Host triple we were built on])
1046 # Determine which bindings to build.
1047 if test "$BINDINGS_TO_BUILD" = auto ; then
1048 BINDINGS_TO_BUILD=""
1049 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
1050 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
1053 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
1055 # This isn't really configurey, but it avoids having to repeat the list in
1057 AC_SUBST(ALL_BINDINGS,ocaml)
1059 # Do any work necessary to ensure that bindings have what they need.
1060 binding_prereqs_failed=0
1061 for a_binding in $BINDINGS_TO_BUILD ; do
1062 case "$a_binding" in
1064 if test "x$OCAMLC" = x ; then
1065 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
1066 binding_prereqs_failed=1
1068 if test "x$OCAMLDEP" = x ; then
1069 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
1070 binding_prereqs_failed=1
1072 if test "x$OCAMLOPT" = x ; then
1073 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
1074 dnl ocamlopt is optional!
1076 if test "x$with_ocaml_libdir" != xauto ; then
1077 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
1079 ocaml_stdlib="`"$OCAMLC" -where`"
1080 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
1082 # ocaml stdlib is beneath our prefix; use stdlib
1083 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
1085 # ocaml stdlib is outside our prefix; use libdir/ocaml
1086 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
1092 if test "$binding_prereqs_failed" = 1 ; then
1093 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
1096 dnl Determine whether the compiler supports -fvisibility-inlines-hidden.
1097 AC_CXX_USE_VISIBILITY_INLINES_HIDDEN
1099 dnl Determine linker rpath flag
1100 if test "$llvm_cv_link_use_r" = "yes" ; then
1107 dnl Determine linker rdynamic flag
1108 if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then
1109 RDYNAMIC="-Wl,-export-dynamic"
1115 dnl===-----------------------------------------------------------------------===
1117 dnl=== SECTION 10: Specify the output files and generate it
1119 dnl===-----------------------------------------------------------------------===
1121 dnl Configure header files
1122 dnl WARNING: dnl If you add or remove any of the following config headers, then
1123 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
1124 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
1125 dnl files can be updated automatically when their *.in sources change.
1126 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
1127 AC_CONFIG_FILES([include/llvm/Config/Targets.def])
1128 AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def])
1129 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
1130 AC_CONFIG_HEADERS([include/llvm/ADT/iterator.h])
1132 dnl Configure the makefile's configuration data
1133 AC_CONFIG_FILES([Makefile.config])
1135 dnl Configure the RPM spec file for LLVM
1136 AC_CONFIG_FILES([llvm.spec])
1138 dnl Configure doxygen's configuration file
1139 AC_CONFIG_FILES([docs/doxygen.cfg])
1141 dnl Configure llvmc's Base plugin
1142 AC_CONFIG_FILES([tools/llvmc/plugins/Base/Base.td])
1144 dnl Do the first stage of configuration for llvm-config.in.
1145 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
1147 dnl Do special configuration of Makefiles
1148 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
1149 AC_CONFIG_MAKEFILE(Makefile)
1150 AC_CONFIG_MAKEFILE(Makefile.common)
1151 AC_CONFIG_MAKEFILE(examples/Makefile)
1152 AC_CONFIG_MAKEFILE(lib/Makefile)
1153 AC_CONFIG_MAKEFILE(runtime/Makefile)
1154 AC_CONFIG_MAKEFILE(test/Makefile)
1155 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1156 AC_CONFIG_MAKEFILE(unittests/Makefile)
1157 AC_CONFIG_MAKEFILE(tools/Makefile)
1158 AC_CONFIG_MAKEFILE(utils/Makefile)
1159 AC_CONFIG_MAKEFILE(projects/Makefile)
1160 AC_CONFIG_MAKEFILE(bindings/Makefile)
1161 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1163 dnl Finally, crank out the output