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]],[[2.3svn]],[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) AC_CONFIG_SUBDIRS([projects/llvm-test]) ;;
74 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);;
75 llvm-gcc) AC_CONFIG_SUBDIRS([projects/llvm-gcc]) ;;
76 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;;
77 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;;
78 llvm-poolalloc) AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) ;;
79 poolalloc) AC_CONFIG_SUBDIRS([projects/poolalloc]) ;;
80 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;;
82 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically])
88 dnl===-----------------------------------------------------------------------===
90 dnl=== SECTION 2: Architecture, target, and host checks
92 dnl===-----------------------------------------------------------------------===
94 dnl Check the target for which we're compiling and the host that will do the
95 dnl compilations. This will tell us which LLVM compiler will be used for
96 dnl compiling SSA into object code. This needs to be done early because
97 dnl following tests depend on it.
100 dnl Determine the platform type and cache its value. This helps us configure
101 dnl the System library to the correct build platform.
102 AC_CACHE_CHECK([type of operating system we're going to host on],
106 llvm_cv_link_all_option="-Wl,--whole-archive"
107 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
108 llvm_cv_os_type="AIX"
109 llvm_cv_platform_type="Unix" ;;
111 llvm_cv_link_all_option="-Wl,--whole-archive"
112 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
113 llvm_cv_os_type="IRIX"
114 llvm_cv_platform_type="Unix" ;;
116 llvm_cv_link_all_option="-Wl,--whole-archive"
117 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
118 llvm_cv_os_type="Cygwin"
119 llvm_cv_platform_type="Unix" ;;
121 llvm_cv_link_all_option="-Wl,-all_load"
122 llvm_cv_no_link_all_option="-Wl,-noall_load"
123 llvm_cv_os_type="Darwin"
124 llvm_cv_platform_type="Unix" ;;
126 llvm_cv_link_all_option="-Wl,--whole-archive"
127 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
128 llvm_cv_os_type="FreeBSD"
129 llvm_cv_platform_type="Unix" ;;
131 llvm_cv_link_all_option="-Wl,--whole-archive"
132 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
133 llvm_cv_os_type="OpenBSD"
134 llvm_cv_platform_type="Unix" ;;
136 llvm_cv_link_all_option="-Wl,--whole-archive"
137 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
138 llvm_cv_os_type="NetBSD"
139 llvm_cv_platform_type="Unix" ;;
141 llvm_cv_link_all_option="-Wl,--whole-archive"
142 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
143 llvm_cv_os_type="HP-UX"
144 llvm_cv_platform_type="Unix" ;;
146 llvm_cv_link_all_option="-Wl,--whole-archive"
147 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
148 llvm_cv_os_type="Interix"
149 llvm_cv_platform_type="Unix" ;;
151 llvm_cv_link_all_option="-Wl,--whole-archive"
152 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
153 llvm_cv_os_type="Linux"
154 llvm_cv_platform_type="Unix" ;;
156 llvm_cv_link_all_option="-Wl,-z,allextract"
157 llvm_cv_no_link_all_option="-Wl,-z,defaultextract"
158 llvm_cv_os_type="SunOS"
159 llvm_cv_platform_type="Unix" ;;
161 llvm_cv_link_all_option="-Wl,--whole-archive"
162 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
163 llvm_cv_os_type="Win32"
164 llvm_cv_platform_type="Win32" ;;
166 llvm_cv_link_all_option="-Wl,--whole-archive"
167 llvm_cv_no_link_all_option="-Wl,--no-whole-archive"
168 llvm_cv_os_type="MingW"
169 llvm_cv_platform_type="Win32" ;;
171 llvm_cv_link_all_option=""
172 llvm_cv_no_link_all_option=""
173 llvm_cv_os_type="Unknown"
174 llvm_cv_platform_type="Unknown" ;;
177 dnl Make sure we aren't attempting to configure for an unknown system
178 if test "$llvm_cv_os_type" = "Unknown" ; then
179 AC_MSG_ERROR([Operating system is unknown, configure can't continue])
182 dnl Set the "OS" Makefile variable based on the platform type so the
183 dnl makefile can configure itself to specific build hosts
184 AC_SUBST(OS,$llvm_cv_os_type)
186 dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform
187 AC_SUBST(LINKALL,$llvm_cv_link_all_option)
188 AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option)
190 dnl Set the "LLVM_ON_*" variables based on llvm_cvs_platform_type
191 dnl This is used by lib/System to determine the basic kind of implementation
193 case $llvm_cv_platform_type in
195 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform])
196 AC_SUBST(LLVM_ON_UNIX,[1])
197 AC_SUBST(LLVM_ON_WIN32,[0])
200 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform])
201 AC_SUBST(LLVM_ON_UNIX,[0])
202 AC_SUBST(LLVM_ON_WIN32,[1])
206 dnl Determine what our target architecture is and configure accordingly.
207 dnl This will allow Makefiles to make a distinction between the hardware and
209 AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch],
211 i?86-*) llvm_cv_target_arch="x86" ;;
212 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;;
213 sparc*-*) llvm_cv_target_arch="Sparc" ;;
214 powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
215 alpha*-*) llvm_cv_target_arch="Alpha" ;;
216 ia64-*) llvm_cv_target_arch="IA64" ;;
217 arm-*) llvm_cv_target_arch="ARM" ;;
218 mips-*) llvm_cv_target_arch="Mips" ;;
219 *) llvm_cv_target_arch="Unknown" ;;
222 if test "$llvm_cv_target_arch" = "Unknown" ; then
223 AC_MSG_WARN([Configuring LLVM for an unknown target archicture])
226 dnl Define a substitution, ARCH, for the target architecture
227 AC_SUBST(ARCH,$llvm_cv_target_arch)
229 dnl Check for the endianness of the target
230 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
232 dnl Check for build platform executable suffix if we're crosscompiling
233 if test "$cross_compiling" = yes; then
234 AC_SUBST(LLVM_CROSS_COMPILING, [1])
237 AC_SUBST(LLVM_CROSS_COMPILING, [0])
240 dnl Check to see if there's a "CVS" (or .svn) directory indicating that this
241 dnl build is being done from a checkout. This sets up several defaults for the
242 dnl command line switches. When we build with a CVS directory, we get a
243 dnl debug with assertions turned on. Without, we assume a source release and we
244 dnl get an optimized build without assertions. See --enable-optimized and
245 dnl --enable-assertions below
246 if test -d "CVS" -o -d "${srcdir}/CVS" -o -d ".svn" -o -d "${srcdir}/.svn"; then
249 AC_SUBST(CVSBUILD,[[CVSBUILD=1]])
255 dnl===-----------------------------------------------------------------------===
257 dnl=== SECTION 3: Command line arguments for the configure script.
259 dnl===-----------------------------------------------------------------------===
261 dnl --enable-optimized : check whether they want to do an optimized build:
262 AC_ARG_ENABLE(optimized, AS_HELP_STRING(
263 [--enable-optimized,Compile with optimizations enabled (default is NO)]),,enableval=$optimize)
264 if test ${enableval} = "no" ; then
265 AC_SUBST(ENABLE_OPTIMIZED,[[]])
267 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]])
270 dnl --enable-assertions : check whether they want to turn on assertions or not:
271 AC_ARG_ENABLE(assertions,AS_HELP_STRING(
272 [--enable-assertions,Compile with assertion checks enabled (default is YES)]),, enableval="yes")
273 if test ${enableval} = "yes" ; then
274 AC_SUBST(DISABLE_ASSERTIONS,[[]])
276 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
279 dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
280 AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
281 [--enable-expensive-checks,Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
282 if test ${enableval} = "yes" ; then
283 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
284 AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
286 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
287 AC_SUBST(EXPENSIVE_CHECKS,[[no]])
290 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
291 AC_ARG_ENABLE(debug-runtime,
292 AS_HELP_STRING([--enable-debug-runtime,Build runtime libs with debug symbols (default is NO)]),,enableval=no)
293 if test ${enableval} = "no" ; then
294 AC_SUBST(DEBUG_RUNTIME,[[]])
296 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
299 dnl --enable-jit: check whether they want to enable the jit
301 AS_HELP_STRING(--enable-jit,
302 [Enable Just In Time Compiling (default is YES)]),,
304 if test ${enableval} = "no"
308 case "$llvm_cv_target_arch" in
309 x86) AC_SUBST(TARGET_HAS_JIT,1) ;;
310 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;;
311 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
312 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
313 Alpha) AC_SUBST(TARGET_HAS_JIT,1) ;;
314 IA64) AC_SUBST(TARGET_HAS_JIT,0) ;;
315 ARM) AC_SUBST(TARGET_HAS_JIT,0) ;;
316 Mips) AC_SUBST(TARGET_HAS_JIT,0) ;;
317 *) AC_SUBST(TARGET_HAS_JIT,0) ;;
321 dnl Allow enablement of doxygen generated documentation
322 AC_ARG_ENABLE(doxygen,
323 AS_HELP_STRING([--enable-doxygen],
324 [Build doxygen documentation (default is NO)]),,
327 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;;
328 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
329 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;;
330 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;;
333 dnl Allow disablement of threads
334 AC_ARG_ENABLE(threads,
335 AS_HELP_STRING([--enable-threads],
336 [Use threads if available (default is YES)]),,
339 yes) AC_SUBST(ENABLE_THREADS,[1]) ;;
340 no) AC_SUBST(ENABLE_THREADS,[0]) ;;
341 default) AC_SUBST(ENABLE_THREADS,[1]) ;;
342 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;;
344 AC_DEFINE_UNQUOTED([ENABLE_THREADS],$ENABLE_THREADS,[Define if threads enabled])
346 dnl Allow building with position independent code
348 AS_HELP_STRING([--enable-pic],
349 [Build LLVM with Position Independent Code (default is NO)]),,
352 yes) AC_SUBST(ENABLE_PIC,[1]) ;;
353 no) AC_SUBST(ENABLE_PIC,[0]) ;;
354 default) AC_SUBST(ENABLE_PIC,[0]) ;;
355 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;;
357 AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC,
358 [Define if position independent code is enabled])
360 dnl Allow specific targets to be specified for building (or not)
362 AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
363 [Build specific host targets: all,host-only,{target-name} (default=all)]),,
366 all) TARGETS_TO_BUILD="X86 Sparc PowerPC Alpha IA64 ARM Mips CellSPU CBackend MSIL" ;;
368 case "$llvm_cv_target_arch" in
369 x86) TARGETS_TO_BUILD="X86" ;;
370 x86_64) TARGETS_TO_BUILD="X86" ;;
371 Sparc) TARGETS_TO_BUILD="Sparc" ;;
372 PowerPC) TARGETS_TO_BUILD="PowerPC" ;;
373 Alpha) TARGETS_TO_BUILD="Alpha" ;;
374 IA64) TARGETS_TO_BUILD="IA64" ;;
375 ARM) TARGETS_TO_BUILD="ARM" ;;
376 Mips) TARGETS_TO_BUILD="Mips" ;;
377 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU" ;;
378 *) AC_MSG_ERROR([Can not set target to build]) ;;
381 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
383 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
384 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
385 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
386 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
387 alpha) TARGETS_TO_BUILD="Alpha $TARGETS_TO_BUILD" ;;
388 ia64) TARGETS_TO_BUILD="IA64 $TARGETS_TO_BUILD" ;;
389 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
390 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
391 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;;
392 cbe) TARGETS_TO_BUILD="CBackend $TARGETS_TO_BUILD" ;;
393 msil) TARGETS_TO_BUILD="MSIL $TARGETS_TO_BUILD" ;;
394 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
399 AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD)
401 dnl Prevent the CBackend from using printf("%a") for floating point so older
402 dnl C compilers that cannot deal with the 0x0p+0 hex floating point format
403 dnl can still compile the CBE's output
404 AC_ARG_ENABLE([cbe-printf-a],AS_HELP_STRING([--enable-cbe-printf-a],
405 [Enable C Backend output with hex floating point via %a (default is YES)]),,
408 yes) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
409 no) AC_SUBST(ENABLE_CBE_PRINTF_A,[0]) ;;
410 default) AC_SUBST(ENABLE_CBE_PRINTF_A,[1]) ;;
411 *) AC_MSG_ERROR([Invalid setting for --enable-cbe-printf-a. Use "yes" or "no"]) ;;
413 AC_DEFINE_UNQUOTED([ENABLE_CBE_PRINTF_A],$ENABLE_CBE_PRINTF_A,
414 [Define if CBE is enabled for printf %a output])
416 dnl Allow a specific llvm-gcc/llvm-g++ pair to be used with this LLVM config.
417 AC_ARG_WITH(llvmgccdir,
418 AS_HELP_STRING([--with-llvmgccdir],
419 [Specify location of llvm-gcc install dir (default searches PATH)]),,
422 default) WITH_LLVMGCCDIR=default ;;
423 /* | [[A-Za-z]]:[[\\/]]*) WITH_LLVMGCCDIR=$withval ;;
424 *) AC_MSG_ERROR([Invalid path for --with-llvmgccdir. Provide full path]) ;;
427 dnl Allow a specific llvm-gcc compiler to be used with this LLVM config.
429 AS_HELP_STRING([--with-llvmgcc],
430 [Specify location of llvm-gcc driver (default searches PATH)]),
431 LLVMGCC=$with_llvmgcc
434 dnl Allow a specific llvm-g++ compiler to be used with this LLVM config.
436 AS_HELP_STRING([--with-llvmgxx],
437 [Specify location of llvm-g++ driver (default searches PATH)]),
438 LLVMGXX=$with_llvmgxx
441 if test -n "$LLVMGCC" && test -z "$LLVMGXX"; then
442 AC_MSG_ERROR([Invalid llvm-g++. Use --with-llvmgxx when --with-llvmgcc is used]);
445 if test -n "$LLVMGXX" && test -z "$LLVMGCC"; then
446 AC_MSG_ERROR([Invalid llvm-gcc. Use --with-llvmgcc when --with-llvmgxx is used]);
449 dnl Specify extra build options
450 AC_ARG_WITH(extra-options,
451 AS_HELP_STRING([--with-extra-options],
452 [Specify addtional options to compile LLVM with]),,
455 default) EXTRA_OPTIONS= ;;
456 *) EXTRA_OPTIONS=$withval ;;
458 AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS)
460 dnl Allow specific bindings to be specified for building (or not)
461 AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings],
462 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),,
466 yes | default | auto) BINDINGS_TO_BUILD="auto" ;;
467 all ) BINDINGS_TO_BUILD="ocaml" ;;
468 none | no) BINDINGS_TO_BUILD="" ;;
469 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do
471 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;;
472 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;;
478 dnl Allow the ocaml libdir to be overridden. This could go in a configure
479 dnl script for bindings/ocaml/configure, except that its auto value depends on
480 dnl OCAMLC, which is found here to support tests.
481 AC_ARG_WITH([ocaml-libdir],
482 [AS_HELP_STRING([--with-ocaml-libdir],
483 [Specify install location for ocaml bindings (default is stdlib)])],
487 auto) with_ocaml_libdir="$withval" ;;
488 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;;
489 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;;
492 dnl===-----------------------------------------------------------------------===
494 dnl=== SECTION 4: Check for programs we need and that they are the right version
496 dnl===-----------------------------------------------------------------------===
498 dnl Check for compilation tools
508 dnl Check for the tools that the makefiles require
511 AC_PATH_PROG(CMP, [cmp], [cmp])
512 AC_PATH_PROG(CP, [cp], [cp])
513 AC_PATH_PROG(DATE, [date], [date])
514 AC_PATH_PROG(FIND, [find], [find])
515 AC_PATH_PROG(GREP, [grep], [grep])
516 AC_PATH_PROG(MKDIR,[mkdir],[mkdir])
517 AC_PATH_PROG(MV, [mv], [mv])
519 AC_PATH_PROG(RM, [rm], [rm])
520 AC_PATH_PROG(SED, [sed], [sed])
521 AC_PATH_PROG(TAR, [tar], [gtar])
522 AC_PATH_PROG(BINPWD,[pwd], [pwd])
524 dnl Looking for misc. graph plotting software
525 AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz])
526 if test "$GRAPHVIZ" != "echo Graphviz" ; then
527 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available])
528 dnl If we're targeting for mingw we should emit windows paths, not msys
529 if test "$llvm_cv_os_type" = "MingW" ; then
530 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
532 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}",
533 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise])
535 AC_PATH_PROG(DOT, [dot], [echo dot])
536 if test "$DOT" != "echo dot" ; then
537 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available])
538 dnl If we're targeting for mingw we should emit windows paths, not msys
539 if test "$llvm_cv_os_type" = "MingW" ; then
540 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
542 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}",
543 [Define to path to dot program if found or 'echo dot' otherwise])
545 AC_PATH_PROGS(GV, [gv gsview32], [echo gv])
546 if test "$GV" != "echo gv" ; then
547 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available])
548 dnl If we're targeting for mingw we should emit windows paths, not msys
549 if test "$llvm_cv_os_type" = "MingW" ; then
550 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
552 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}",
553 [Define to path to gv program if found or 'echo gv' otherwise])
555 AC_PATH_PROG(DOTTY, [dotty], [echo dotty])
556 if test "$DOTTY" != "echo dotty" ; then
557 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available])
558 dnl If we're targeting for mingw we should emit windows paths, not msys
559 if test "$llvm_cv_os_type" = "MingW" ; then
560 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' `
562 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}",
563 [Define to path to dotty program if found or 'echo dotty' otherwise])
566 dnl Look for a sufficiently recent version of Perl.
567 LLVM_PROG_PERL([5.006])
569 if test x"$PERL" = xnone; then
570 AC_SUBST(HAVE_PERL,0)
571 AC_MSG_ERROR([perl is required but was not found, please install it])
573 AC_SUBST(HAVE_PERL,1)
576 dnl Find the install program
579 dnl Checks for documentation and testing tools that we can do without. If these
580 dnl are not found then they are set to "true" which always succeeds but does
581 dnl nothing. This just lets the build output show that we could have done
582 dnl something if the tool was available.
583 AC_PATH_PROG(BZIP2,[bzip2],[echo "Skipped: bzip2 not found"])
584 AC_PATH_PROG(DOXYGEN,[doxygen],[echo "Skipped: doxygen not found"])
585 AC_PATH_PROG(GROFF,[groff],[echo "Skipped: groff not found"])
586 AC_PATH_PROG(GZIP,[gzip],[echo "Skipped: gzip not found"])
587 AC_PATH_PROG(POD2HTML,[pod2html],[echo "Skipped: pod2html not found"])
588 AC_PATH_PROG(POD2MAN,[pod2man],[echo "Skipped: pod2man not found"])
589 AC_PATH_PROG(RUNTEST,[runtest],[echo "Skipped: runtest not found"])
591 AC_PATH_PROG(ZIP,[zip],[echo "Skipped: zip not found"])
592 AC_PATH_PROG(OCAMLC,[ocamlc],[echo "Skipped: ocamlc not found"])
593 AC_PATH_PROG(OCAMLOPT,[ocamlopt],[echo "Skipped: ocamlopt not found"])
594 AC_PATH_PROG(OCAMLDEP,[ocamldep],[echo "Skipped: ocamldep not found"])
596 dnl Determine if the linker supports the -R option.
599 dnl Check for libtool and the library that has dlopen function (which must come
600 dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with
606 if test "$lt_cv_dlopen_self" = "yes" ; then
607 AC_DEFINE([CAN_DLOPEN_SELF],[1],
608 [Define if dlopen(0) will open the symbols of the program])
611 if test "$WITH_LLVMGCCDIR" = "default" ; then
612 LLVMGCC="llvm-gcc${EXEEXT}"
613 LLVMGXX="llvm-g++${EXEEXT}"
614 AC_PATH_PROG(LLVMGCC, $LLVMGCC, [])
615 AC_PATH_PROG(LLVMGXX, $LLVMGXX, [])
617 if test -z "$LLVMGCC"; then
618 LLVMGCC="$WITH_LLVMGCCDIR/bin/llvm-gcc${EXEEXT}"
620 if test -z "$LLVMGXX"; then
621 LLVMGXX="$WITH_LLVMGCCDIR/bin/llvm-g++${EXEEXT}"
623 AC_SUBST(LLVMGCC,$LLVMGCC)
624 AC_SUBST(LLVMGXX,$LLVMGXX)
627 AC_MSG_CHECKING([tool compatibility])
629 dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as
630 dnl ICC; we use GCC specific options in the makefiles so the compiler needs
631 dnl to support those options.
632 dnl "icc" emits gcc signatures
633 dnl "icc -no-gcc" emits no gcc signature BUT is still compatible
645 if test "$GCC" != "yes" && test "$ICC" != "yes"
647 AC_MSG_ERROR([gcc|icc required but not found])
650 dnl Ensure that compilation tools are GCC; we use GCC specific extensions
651 if test "$GXX" != "yes" && test "$IXX" != "yes"
653 AC_MSG_ERROR([g++|icc required but not found])
656 dnl Verify that GCC is version 3.0 or higher
657 if test "$GCC" = "yes"
659 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3
660 #error Unsupported GCC version
662 ]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])])
665 dnl Check for GNU Make. We use its extensions, so don't build without it
666 if test -z "$llvm_cv_gnu_make_command"
668 AC_MSG_ERROR([GNU Make required but not found])
671 dnl Tool compatibility is okay if we make it here.
674 dnl===-----------------------------------------------------------------------===
676 dnl=== SECTION 5: Check for libraries
678 dnl===-----------------------------------------------------------------------===
680 dnl libelf is for sparc only; we can ignore it if we don't have it
681 AC_CHECK_LIB(elf, elf_begin)
683 if test "$llvm_cv_os_type" = "MingW" ; then
684 AC_CHECK_LIB(imagehlp, main)
685 AC_CHECK_LIB(psapi, main)
688 dnl dlopen() is required for plugin support.
689 AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
690 [Define if dlopen() is available on this platform.]),
691 AC_MSG_WARN([dlopen() not found - disabling plugin support]))
693 dnl mallinfo is optional; the code can compile (minus features) without it
694 AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],
695 [Define if mallinfo() is available on this platform.]))
697 dnl pthread locking functions are optional - but llvm will not be thread-safe
699 if test "$ENABLE_THREADS" -eq 1 ; then
700 AC_CHECK_LIB(pthread,pthread_mutex_init)
701 AC_SEARCH_LIBS(pthread_mutex_lock,pthread,
702 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1],
703 [Have pthread_mutex_lock]))
706 dnl Allow extra x86-disassembler library
708 AS_HELP_STRING([--with-udis86=<path>],
709 [Use udis86 external x86 disassembler library]),
711 AC_SUBST(USE_UDIS86, [1])
714 *) LDFLAGS="$LDFLAGS -L${withval}" ;;
716 AC_CHECK_LIB(udis86, ud_init, [], [
717 echo "Error! You need to have libudis86 around."
721 AC_SUBST(USE_UDIS86, [0]))
722 AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86,
723 [Define if use udis86 library])
725 dnl===-----------------------------------------------------------------------===
727 dnl=== SECTION 6: Check for header files
729 dnl===-----------------------------------------------------------------------===
731 dnl First, use autoconf provided macros for specific headers that we need
732 dnl We don't check for ancient stuff or things that are guaranteed to be there
733 dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers.
734 dnl Generally we're looking for POSIX headers.
736 AC_HEADER_MMAP_ANONYMOUS
742 AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
743 AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h unistd.h utime.h])
744 AC_CHECK_HEADERS([windows.h])
745 AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h])
746 AC_CHECK_HEADERS([sys/types.h malloc/malloc.h mach/mach.h])
747 if test "$ENABLE_THREADS" -eq 1 ; then
748 AC_CHECK_HEADERS(pthread.h,
749 AC_SUBST(HAVE_PTHREAD, 1),
750 AC_SUBST(HAVE_PTHREAD, 0))
752 AC_SUBST(HAVE_PTHREAD, 0)
755 dnl===-----------------------------------------------------------------------===
757 dnl=== SECTION 7: Check for types and structures
759 dnl===-----------------------------------------------------------------------===
766 AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found]))
767 AC_CHECK_TYPES([uint64_t],,
768 AC_CHECK_TYPES([u_int64_t],,
769 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found])))
771 dnl===-----------------------------------------------------------------------===
773 dnl=== SECTION 8: Check for specific functions needed
775 dnl===-----------------------------------------------------------------------===
777 AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
778 AC_CHECK_FUNCS([powf fmodf strtof round ])
779 AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
780 AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
781 AC_CHECK_FUNCS([mktemp realpath sbrk setrlimit strdup strerror strerror_r ])
782 AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ])
783 AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp])
788 dnl Check for variations in the Standard C++ library and STL. These macros are
789 dnl provided by LLVM in the autoconf/m4 directory.
792 AC_CXX_HAVE_STD_ITERATOR
793 AC_CXX_HAVE_BI_ITERATOR
794 AC_CXX_HAVE_FWD_ITERATOR
798 dnl Check for mmap support.We also need to know if /dev/zero is required to
799 dnl be opened for allocating RWX memory.
800 dnl Make sure we aren't attempting to configure for an unknown system
801 if test "$llvm_cv_platform_type" = "Unix" ; then
804 AC_NEED_DEV_ZERO_FOR_MMAP
806 if test "$ac_cv_func_mmap_fixed_mapped" = "no"
808 AC_MSG_WARN([mmap() of a fixed address required but not supported])
810 if test "$ac_cv_func_mmap_file" = "no"
812 AC_MSG_WARN([mmap() of files required but not found])
816 dnl===-----------------------------------------------------------------------===
818 dnl=== SECTION 9: Additional checks, variables, etc.
820 dnl===-----------------------------------------------------------------------===
822 dnl Check, whether __dso_handle is present
823 AC_CHECK_FUNCS([__dso_handle])
825 dnl See if the llvm-gcc executable can compile to LLVM assembly
826 AC_CACHE_CHECK([whether llvm-gcc is sane],[llvm_cv_llvmgcc_sanity],
827 [llvm_cv_llvmgcc_sanity="no"
828 if test -x "$LLVMGCC" ; then
829 cp /dev/null conftest.c
830 "$LLVMGCC" -emit-llvm -S -o - conftest.c | \
831 grep 'target datalayout =' > /dev/null 2>&1
832 if test $? -eq 0 ; then
833 llvm_cv_llvmgcc_sanity="yes"
838 dnl Since we have a sane llvm-gcc, identify it and its sub-tools
839 if test "$llvm_cv_llvmgcc_sanity" = "yes" ; then
840 AC_MSG_CHECKING([llvm-gcc component support])
841 llvmcc1path=`"$LLVMGCC" --print-prog-name=cc1`
842 AC_SUBST(LLVMCC1,$llvmcc1path)
843 llvmcc1pluspath=`"$LLVMGCC" --print-prog-name=cc1plus`
844 AC_SUBST(LLVMCC1PLUS,$llvmcc1pluspath)
845 llvmgccdir=`echo "$llvmcc1path" | sed 's,/libexec/.*,,'`
846 AC_SUBST(LLVMGCCDIR,$llvmgccdir)
847 llvmgcclibexec=`echo "$llvmcc1path" | sed 's,/cc1,,'`
848 AC_SUBST(LLVMGCCLIBEXEC,$llvmgcclibexec)
849 llvmgccversion=[`"$LLVMGCC" -dumpversion 2>&1 | sed 's/^\([0-9.]*\).*/\1/'`]
850 llvmgccmajvers=[`echo $llvmgccversion | sed 's/^\([0-9]\).*/\1/'`]
851 AC_SUBST(LLVMGCC_VERSION,$llvmgccversion)
852 AC_SUBST(LLVMGCC_MAJVERS,$llvmgccmajvers)
853 llvmgcclangs=[`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ -]*\).*/\1/'`]
854 AC_SUBST(LLVMGCC_LANGS,$llvmgcclangs)
858 dnl Propagate the shared library extension that the libltdl checks did to
859 dnl the Makefiles so we can use it there too
860 AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext)
862 # Translate the various configuration directories and other basic
863 # information into substitutions that will end up in Makefile.config.in
864 # that these configured values can be used by the makefiles
865 if test "${prefix}" = "NONE" ; then
868 eval LLVM_PREFIX="${prefix}";
869 eval LLVM_BINDIR="${prefix}/bin";
870 eval LLVM_LIBDIR="${prefix}/lib";
871 eval LLVM_DATADIR="${prefix}/share/llvm";
872 eval LLVM_DOCSDIR="${prefix}/docs/llvm";
873 eval LLVM_ETCDIR="${prefix}/etc/llvm";
874 eval LLVM_INCLUDEDIR="${prefix}/include";
875 eval LLVM_INFODIR="${prefix}/info";
876 eval LLVM_MANDIR="${prefix}/man";
877 LLVM_CONFIGTIME=`date`
878 AC_SUBST(LLVM_PREFIX)
879 AC_SUBST(LLVM_BINDIR)
880 AC_SUBST(LLVM_LIBDIR)
881 AC_SUBST(LLVM_DATADIR)
882 AC_SUBST(LLVM_DOCSDIR)
883 AC_SUBST(LLVM_ETCDIR)
884 AC_SUBST(LLVM_INCLUDEDIR)
885 AC_SUBST(LLVM_INFODIR)
886 AC_SUBST(LLVM_MANDIR)
887 AC_SUBST(LLVM_CONFIGTIME)
889 # Place the various directores into the config.h file as #defines so that we
890 # can know about the installation paths within LLVM.
891 AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX",
892 [Installation prefix directory])
893 AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR",
894 [Installation directory for binary executables])
895 AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR",
896 [Installation directory for libraries])
897 AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR",
898 [Installation directory for data files])
899 AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR",
900 [Installation directory for documentation])
901 AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR",
902 [Installation directory for config files])
903 AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR",
904 [Installation directory for include files])
905 AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR",
906 [Installation directory for .info files])
907 AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR",
908 [Installation directory for man pages])
909 AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
910 [Time at which LLVM was configured])
911 AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
912 [Host triple we were built on])
914 # Determine which bindings to build.
915 if test "$BINDINGS_TO_BUILD" = auto ; then
917 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then
918 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD"
921 AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD)
923 # This isn't really configurey, but it avoids having to repeat the list in
925 AC_SUBST(ALL_BINDINGS,ocaml)
927 # Do any work necessary to ensure that bindings have what they need.
928 binding_prereqs_failed=0
929 for a_binding in $BINDINGS_TO_BUILD ; do
932 if test "x$OCAMLC" = x ; then
933 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc])
934 binding_prereqs_failed=1
936 if test "x$OCAMLDEP" = x ; then
937 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep])
938 binding_prereqs_failed=1
940 if test "x$OCAMLOPT" = x ; then
941 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt])
942 dnl ocamlopt is optional!
944 if test "x$with_ocaml_libdir" != xauto ; then
945 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir)
947 ocaml_stdlib="`"$OCAMLC" -where`"
948 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~"
950 # ocaml stdlib is beneath our prefix; use stdlib
951 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib)
953 # ocaml stdlib is outside our prefix; use libdir/ocaml
954 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml)
960 if test "$binding_prereqs_failed" = 1 ; then
961 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.])
965 dnl===-----------------------------------------------------------------------===
967 dnl=== SECTION 10: Specify the output files and generate it
969 dnl===-----------------------------------------------------------------------===
971 dnl Configure header files
972 dnl WARNING: dnl If you add or remove any of the following config headers, then
973 dnl you MUST also update Makefile.rules so that the variable FilesToConfig
974 dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the
975 dnl files can be updated automatically when their *.in sources change.
976 AC_CONFIG_HEADERS([include/llvm/Config/config.h])
977 AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h])
978 AC_CONFIG_HEADERS([include/llvm/ADT/hash_map])
979 AC_CONFIG_HEADERS([include/llvm/ADT/hash_set])
980 AC_CONFIG_HEADERS([include/llvm/ADT/iterator])
982 dnl Configure the makefile's configuration data
983 AC_CONFIG_FILES([Makefile.config])
985 dnl Configure the RPM spec file for LLVM
986 AC_CONFIG_FILES([llvm.spec])
988 dnl Configure doxygen's configuration file
989 AC_CONFIG_FILES([docs/doxygen.cfg])
991 dnl Do the first stage of configuration for llvm-config.in.
992 AC_CONFIG_FILES([tools/llvm-config/llvm-config.in])
994 dnl Do special configuration of Makefiles
995 AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"])
996 AC_CONFIG_MAKEFILE(Makefile)
997 AC_CONFIG_MAKEFILE(Makefile.common)
998 AC_CONFIG_MAKEFILE(examples/Makefile)
999 AC_CONFIG_MAKEFILE(lib/Makefile)
1000 AC_CONFIG_MAKEFILE(runtime/Makefile)
1001 AC_CONFIG_MAKEFILE(test/Makefile)
1002 AC_CONFIG_MAKEFILE(test/Makefile.tests)
1003 AC_CONFIG_MAKEFILE(tools/Makefile)
1004 AC_CONFIG_MAKEFILE(utils/Makefile)
1005 AC_CONFIG_MAKEFILE(projects/Makefile)
1006 AC_CONFIG_MAKEFILE(bindings/Makefile)
1007 AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml)
1009 dnl Finally, crank out the output