1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/ +/g;'"
3 dnl (or some such) to see the outline of this file)
6 # (c) The University of Glasgow 1994-2004
8 # Configure script template for GHC
10 # Process with 'autoreconf' to get a working configure script.
12 # For the generated configure script, do "./configure --help" to
13 # see what flags are available. (Better yet, read the documentation!)
16 AC_INIT([The Glorious Glasgow Haskell Compilation System], [6.11], [glasgow-haskell-bugs@haskell.org], [ghc])
18 # Set this to YES for a released version, otherwise NO
21 # The primary version (e.g. 6.7, 6.6.1) is set in the AC_INIT line
22 # above. If this is not a released version, then we will append the
23 # date to the version number (e.g. 6.7.20070204). The date is
24 # constructed by finding the date of the most recent patch in the
25 # darcs repository. If this is a source distribution (not a darcs
26 # checkout), then we ship a file 'VERSION' containing the full version
27 # when the source distribution was created.
29 if test ! -f mk/config.h.in; then
30 echo "mk/config.h.in doesn't exist: perhaps you haven't run 'sh boot'?"
34 AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])
36 FP_SETUP_PROJECT_VERSION
38 # Hmmm, we fix the RPM release number to 1 here... Is this convenient?
39 AC_SUBST([release], [1])
41 # First off, a distrib sanity check..
42 AC_CONFIG_SRCDIR([mk/config.mk.in])
44 dnl * We require autoconf version 2.52
45 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
46 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
49 # -------------------------------------------------------------------------
50 # Prepare to generate the following header files
53 AC_CONFIG_HEADER(mk/config.h)
55 # No, semi-sadly, we don't do `--srcdir'...
56 if test x"$srcdir" != 'x.' ; then
57 echo "This configuration does not support the \`--srcdir' option.."
61 dnl--------------------------------------------------------------------
62 dnl * Deal with arguments telling us gmp is somewhere odd
63 dnl--------------------------------------------------------------------
69 if test "x$gmp_libraries" != "xNONE"; then
70 LDFLAGS="-L$gmp_libraries $LDFLAGS"
71 GMP_LIB_DIRS=$gmp_libraries
73 if test "x$gmp_includes" != "xNONE"; then
74 CPPFLAGS="-I$gmp_includes $CPPFLAGS"
75 GMP_INCLUDE_DIRS=$gmp_includes
77 AC_SUBST(GMP_INCLUDE_DIRS)
78 AC_SUBST(GMP_LIB_DIRS)
80 dnl --------------------------------------------------------------
81 dnl * Project specific configuration options
82 dnl --------------------------------------------------------------
83 dnl What follows is a bunch of options that can either be configured
84 dnl through command line options to the configure script or by
85 dnl supplying defns in the build tree's mk/build.mk. Having the option to
86 dnl use either is considered a Feature.
88 dnl ** What command to use to compile compiler sources ?
89 dnl --------------------------------------------------------------
92 [AC_HELP_STRING([--with-ghc=ARG],
93 [Use ARG as the path to GHC [default=autodetect]])],
95 [if test "$GHC" = ""; then
96 AC_PATH_PROG([GHC], [ghc])
100 dnl ** Booting from unregisterised .hc files?
101 dnl --------------------------------------------------------------
102 AC_ARG_ENABLE(hc-boot-unregisterised,
103 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
104 [ With --enable-hc-boot, treat the intermediate .hc files as
105 unregisterised rather than registerised code.
106 (This option is mostly of interest to porters.) [default=no]])],
107 [ if test x"$enableval" = x"yes"; then
108 BootingFromUnregisterisedHc=YES
110 BootingFromUnregisterisedHc=NO
113 [BootingFromUnregisterisedHc=NO]
115 AC_SUBST(BootingFromUnregisterisedHc)
117 if test "$BootingFromHc" = "NO"; then
118 if test "$BootingFromUnregisterisedHc" = "YES"; then
119 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
123 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
124 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
125 if test "$WithGhc" = ""; then
126 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
128 FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.8],
129 [AC_MSG_ERROR([GHC version 6.8 or later is required to compile GHC.])])dnl
131 if test `expr $GhcMinVersion % 2` = "1"; then
132 echo $EnableBootstrapWithDevelSnaphost
133 if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
135 $WithGhc is a development snapshot of GHC, version $GhcVersion.
136 Bootstrapping using this version of GHC is not supported, and may not
137 work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
138 or --with-ghc to specify a different GHC to use.])
143 AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
144 [AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
145 [Allow bootstrapping using a development snapshot of GHC. This is not guaranteed to work.])],
146 EnableBootstrapWithDevelSnaphost=YES,
147 EnableBootstrapWithDevelSnaphost=NO
150 if test "$WithGhc" != ""; then
151 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
153 if test "$GhcMajVersion" = "unknown" -o "$GhcMinVersion" = "unknown"; then
154 AC_MSG_ERROR([Cannot determine the version of $WithGhc. Is it really GHC?])
157 AC_SUBST(GhcVersion)dnl
158 AC_SUBST(GhcMajVersion)dnl
159 AC_SUBST(GhcMinVersion)dnl
160 AC_SUBST(GhcPatchLevel)dnl
161 GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
162 GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
163 if test $GhcCanonVersion -ge 609; then ghc_ge_609=YES; else ghc_ge_609=NO; fi
164 AC_SUBST(ghc_ge_609)dnl
167 # GHC is passed to Cabal, so we need a native path
168 if test "${WithGhc}" != ""
170 ghc_host=`${WithGhc} +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
172 if test "$ghc_host" = "i386-unknown-mingw32"
174 if test "${OSTYPE}" = "msys"
176 WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
178 # Canonicalise to <drive>:/path/to/ghc
179 WithGhc=`cygpath -m ${WithGhc}`
181 echo "GHC path canonicalised to: ${WithGhc}"
186 dnl--------------------------------------------------------------------
187 dnl * Choose host(/target/build) platform
188 dnl--------------------------------------------------------------------
189 dnl We don't use the standard autoconf macros for this, but instead
190 dnl ask the bootstrapping compiler what platform it is for
192 dnl Guess host/target/build platform(s) if necessary.
193 m4_divert_once([HELP_CANON],
196 --build=BUILD configure for building on BUILD [guessed]
197 --host=HOST cross-compile to build programs to run on HOST [guessed]
198 --target=TARGET configure for building compilers for TARGET [guessed]]])dnl
200 if test "$build" = ""
202 if test "${WithGhc}" != ""
204 build=`${WithGhc} +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//'`
205 echo "Build platform inferred as: $build"
207 echo "Can't work out build platform"
214 if test "${WithGhc}" != ""
216 host=`${WithGhc} +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//'`
217 echo "Host platform inferred as: $host"
219 echo "Can't work out host platform"
224 if test "$target" = ""
226 if test "${WithGhc}" != ""
228 target=`${WithGhc} +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//'`
229 echo "Target platform inferred as: $target"
231 echo "Can't work out target platform"
240 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
241 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
248 i386-apple-darwin|powerpc-apple-darwin)
253 CFLAGS="$CFLAGS -m64"
254 LDFLAGS="$LDFLAGS -m64"
260 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
263 echo "Unknown arch $1"
271 dec|unknown|hp|apple|next|sun|sgi|ibm)
274 echo "Unknown vendor $1"
282 linux|freebsd|netbsd|openbsd|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix)
292 BuildArch=`echo "$build" | sed 's/-.*//'`
293 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
294 BuildOS=`echo "$build" | sed 's/.*-//'`
295 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
296 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
297 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
298 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
300 checkArch "$BuildArch"
301 checkVendor "$BuildVendor"
305 HostArch=`echo "$host" | sed 's/-.*//'`
306 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
307 HostOS=`echo "$host" | sed 's/.*-//'`
308 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
309 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
310 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
311 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
313 checkArch "$HostArch"
314 checkVendor "$HostVendor"
317 TargetPlatform=$target
318 TargetArch=`echo "$target" | sed 's/-.*//'`
319 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
320 TargetOS=`echo "$target" | sed 's/.*-//'`
321 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
322 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
323 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
324 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
326 checkArch "$TargetArch"
327 checkVendor "$TargetVendor"
330 AC_SUBST(BuildPlatform)
331 AC_SUBST(HostPlatform)
332 AC_SUBST(TargetPlatform)
333 AC_SUBST(HostPlatform_CPP)
334 AC_SUBST(BuildPlatform_CPP)
335 AC_SUBST(TargetPlatform_CPP)
337 AC_SUBST(HostArch_CPP)
338 AC_SUBST(BuildArch_CPP)
339 AC_SUBST(TargetArch_CPP)
342 AC_SUBST(BuildOS_CPP)
343 AC_SUBST(TargetOS_CPP)
345 AC_SUBST(HostVendor_CPP)
346 AC_SUBST(BuildVendor_CPP)
347 AC_SUBST(TargetVendor_CPP)
353 [AC_HELP_STRING([--with-hc=ARG],
354 [Use ARG as the path to the compiler for compiling ordinary
355 Haskell code (default= value of --with-ghc)])],
361 AC_PATH_PROGS(NHC,nhc nhc98)
362 AC_PATH_PROG(HBC,hbc)
364 dnl ** Which gcc to use?
365 dnl --------------------------------------------------------------
367 [AC_HELP_STRING([--with-gcc=ARG],
368 [Use ARG as the path to GCC [default=autodetect]])],
369 [WhatGccIsCalled="$withval"
370 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
371 test "${OSTYPE}" != "msys" && \
372 test "${withval}" != ""
374 # Canonicalise to <drive>:/path/to/gcc
375 withval=`cygpath -m ${withval}`
380 [WhatGccIsCalled="gcc"]
382 AC_SUBST(WhatGccIsCalled)
384 dnl ** Which ld to use?
385 dnl --------------------------------------------------------------
387 [AC_HELP_STRING([--with-ld=ARG],
388 [Use ARG as the path to LD [default=autodetect]])],
389 [if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
390 test "${OSTYPE}" != "msys" && \
391 test "${withval}" != ""
393 # Canonicalise to <drive>:/path/to/ld
394 withval=`cygpath -m ${withval}`
402 dnl ** Build shared and/or static libs?
403 dnl --------------------------------------------------------------
404 AC_ARG_ENABLE(shared,
405 [AC_HELP_STRING([--enable-shared],
406 [Build shared libraries, if available (EXPERIMENTAL, non-working). [default=no]])],
407 [ if test x"$enableval" = x"yes"; then
408 AC_MSG_WARN([--enable-shared is experimental and not fully supported at this time])
416 AC_SUBST(BuildSharedLibs)
419 # AC_ARG_ENABLE(static,
420 # [AC_HELP_STRING([--enable-static],
421 # [Build static libraries. [default=yes]])],
422 # [ if test x"$enableval" = x"yes"; then
423 # BuildStaticLibs=YES
428 # [BuildStaticLibs=YES]
430 # AC_SUBST(BuildStaticLibs)
432 dnl ** Booting from .hc files?
433 dnl --------------------------------------------------------------
434 AC_ARG_ENABLE(hc-boot,
435 [AC_HELP_STRING([--enable-hc-boot],
436 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
437 (This option is mostly of interest to porters.) [default=no]])],
438 [ if test x"$enableval" = x"yes"; then
446 AC_SUBST(BootingFromHc)
448 # This uses GHC, so put it after the "GHC is required" check above:
451 dnl ** Enable the construction of Win32 DLLs?
452 dnl --------------------------------------------------------------
454 dnl [ The ability to build the RTS and libraries as separate DLLs used
455 dnl to be supported, but isn't currently (updates to the RTS, compiler
456 dnl and build system would be required to bring it back again.)
457 dnl Hence, exposing it as an option is false advertisement, so better
458 dnl disable it to avoid confusion (but leave it commented-out rather
459 dnl than removed in order to remind ourselves to bring back the
460 dnl feature at some stage.) ]
462 dnl AC_ARG_ENABLE(win32-dlls,
463 dnl [ --enable-win32-dlls
464 dnl If on a Win32 platform running mingw32/cygwin, enable the
465 dnl construction of DLLs containing ghc-compiled code.
468 dnl case $HostOS_CPP in
471 dnl *) echo "Unrecognised win32 platform: $HostPlatform"
475 dnl EnableWin32DLLs=YES
477 dnl [EnableWin32DLLs=NO]
479 dnl AC_SUBST(EnableWin32DLLs)
480 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
481 dnl AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
484 dnl ** Mac OS X: explicit deployment target
485 dnl --------------------------------------------------------------
486 AC_ARG_WITH([macosx-deployment-target],
487 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
488 [Build for Mac OS VERSION and higher (default= version of build host)])],
489 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
490 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
491 # ignore everywhere, but on Mac OS
492 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
493 FP_MACOSX_DEPLOYMENT_TARGET=none
495 [FP_MACOSX_DEPLOYMENT_TARGET=none]
497 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
498 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
499 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
501 dnl --------------------------------------------------------------
502 dnl End of configure script option section
503 dnl --------------------------------------------------------------
506 dnl --------------------------------------------------------------
507 dnl * General configuration checks
508 dnl --------------------------------------------------------------
510 dnl ** Can the unix package be built?
511 dnl --------------------------------------------------------------
513 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
518 AC_SUBST([GhcLibsWithUnix])
523 dnl ** look for `perl', but only in /bin on Windows
526 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
527 if test -z "$PerlCmd"; then
528 echo "You must install the version of Perl shipped with GHC"
529 echo "(or a compatible one) in /bin."
534 AC_PATH_PROG(PerlCmd,perl)
535 if test -z "$PerlCmd"; then
536 echo "You must install perl before you can continue"
537 echo "Perhaps it is already installed, but not in your PATH?"
540 FPTOOLS_CHECK_PERL_VERSION
545 dnl ** does #! path/to/perl work? (sometimes it's too long...)
548 dnl ** check for Python
549 AC_PATH_PROG(PythonCmd,python)
551 dnl ** look for GCC and find out which version
552 dnl Figure out which C compiler to use. Gcc is preferred.
553 dnl If gcc, make sure it's at least 2.1
559 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
562 dnl ** Without optimization some INLINE trickery fails for GHCi
565 SRC_CC_OPTS="$SRC_CC_OPTS $CFLAGS"
566 SRC_LD_OPTS="$SRC_LD_OPTS $LDFLAGS"
568 AC_SUBST(SRC_CC_OPTS)
569 AC_SUBST(SRC_LD_OPTS)
571 dnl ** figure out how to do context diffs
574 dnl ** Find find command (for Win32's benefit)
577 dnl ** Find sort command (for the benefit of Win32 environs)
580 dnl Let's make sure install-sh is executable here. If we got it from
581 dnl a darcs repo, it might not be (see bug #978).
583 dnl ** figure out how to do a BSD-ish install
586 dnl If you can run configure, you certainly have /bin/sh
587 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
589 dnl ** how to invoke `ar' and `ranlib'
590 FP_PROG_AR_NEEDS_RANLIB
591 FP_PROG_AR_SUPPORTS_INPUT
593 dnl ** Check to see whether ln -s works
597 dnl ** Find the path to sed
598 AC_PATH_PROG(SedCmd,sed)
601 dnl ** check for time command
602 AC_PATH_PROG(TimeCmd,time)
605 dnl if GNU tar is named gtar, look for it first.
606 AC_PATH_PROGS(TarCmd,gtar tar,tar)
608 dnl ** check for patch
609 dnl if GNU patch is named gpatch, look for it first
610 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
612 AC_PATH_PROG(HSCOLOUR,HsColour)
613 # HsColour is passed to Cabal, so we need a native path
614 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
615 test "${OSTYPE}" != "msys" && \
616 test "${HSCOLOUR}" != ""
618 # Canonicalise to <drive>:/path/to/gcc
619 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
622 dnl ** check for DocBook toolchain
629 dnl ** check for ghc-pkg command
632 dnl ** check for installed happy binary + version
633 dnl (don't do it if we're booting from .hc files though.)
634 if test "$BootingFromHc" = "NO"; then
638 dnl ** check for installed alex binary + version
639 dnl (don't do it if we're booting from .hc files though.)
640 if test "$BootingFromHc" = "NO"; then
644 dnl Check we have an acceptable version of windres
647 dnl --------------------------------------------------
648 dnl ### program checking section ends here ###
649 dnl --------------------------------------------------
651 dnl --------------------------------------------------
652 dnl * Platform header file and syscall feature tests
653 dnl ### checking the state of the local header files and syscalls ###
655 dnl ** check for full ANSI header (.h) files
658 dnl ** Enable large file support. NB. do this before testing the type of
659 dnl off_t, because it will affect the result of that test.
662 dnl ** check for specific header (.h) files that we are interested in
663 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
665 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
668 dnl ** do we have long longs?
669 AC_CHECK_TYPES([long long])
671 dnl ** what are the sizes of various types
672 AC_CHECK_SIZEOF(char, 1)
673 AC_CHECK_SIZEOF(double, 8)
674 AC_CHECK_SIZEOF(float, 4)
675 AC_CHECK_SIZEOF(int, 4)
676 AC_CHECK_SIZEOF(long, 4)
677 if test "$ac_cv_type_long_long" = yes; then
678 AC_CHECK_SIZEOF(long long, 8)
680 AC_CHECK_SIZEOF(short, 2)
681 AC_CHECK_SIZEOF(unsigned char, 1)
682 AC_CHECK_SIZEOF(unsigned int, 4)
683 AC_CHECK_SIZEOF(unsigned long, 4)
684 if test "$ac_cv_type_long_long" = yes; then
685 AC_CHECK_SIZEOF(unsigned long long, 8)
687 AC_CHECK_SIZEOF(unsigned short, 2)
688 AC_CHECK_SIZEOF(void *, 4)
690 dnl ** what are alignment constraints on various types
691 FP_CHECK_ALIGNMENT(char)
692 FP_CHECK_ALIGNMENT(double)
693 FP_CHECK_ALIGNMENT(float)
694 FP_CHECK_ALIGNMENT(int)
695 FP_CHECK_ALIGNMENT(long)
696 if test "$ac_cv_type_long_long" = yes; then
697 FP_CHECK_ALIGNMENT(long long)
699 FP_CHECK_ALIGNMENT(short)
700 FP_CHECK_ALIGNMENT(unsigned char)
701 FP_CHECK_ALIGNMENT(unsigned int)
702 FP_CHECK_ALIGNMENT(unsigned long)
703 if test "$ac_cv_type_long_long" = yes; then
704 FP_CHECK_ALIGNMENT(unsigned long long)
706 FP_CHECK_ALIGNMENT(unsigned short)
707 FP_CHECK_ALIGNMENT(void *)
709 FP_CHECK_FUNC([WinExec],
710 [@%:@include <windows.h>], [WinExec("",0)])
712 FP_CHECK_FUNC([GetModuleFileName],
713 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
715 dnl ** check return type of signal handlers
716 dnl Foo: assumes we can use prototypes.
717 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
718 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
719 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
720 dnl #include <signal.h>
724 dnl void (*signal (int, void (*)(int)))(int);
727 dnl [ac_cv_type_signal_handler=void_int],
728 dnl [ac_cv_type_signal_handler=int_void])])
729 dnl if test "$ac_cv_type_signal_handler" = void_int; then
730 dnl AC_DEFINE(VOID_INT_SIGNALS)
733 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
735 if test "$ac_cv_type_signal" = void; then
736 AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
739 dnl ** check for more functions
740 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
741 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r, sched_setaffinity])
744 #include <sys/types.h>
745 #include <sys/time.h>
747 struct itimerval tval;
748 tval.it_value.tv_sec = 1;
749 tval.it_value.tv_usec = 0;
750 tval.it_interval = tval.it_value;
751 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
753 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
755 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
756 dnl ** _POSIX_C_SOURCE is defined
757 AC_CHECK_DECLS([ctime_r], , ,
758 [#define _POSIX_SOURCE 1
759 #define _POSIX_C_SOURCE 199506L
762 dnl ** For ghc/rts/gmp:
763 AC_CHECK_FUNCS([getpagesize])
765 dnl ** check whether this machine has gmp3 installed
766 AC_CHECK_LIB(gmp, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
767 AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp3,
768 HaveLibGmp=NO; LibGmp=not-installed))
769 if test $HaveLibGmp = YES; then
770 AC_DEFINE([HAVE_LIB_GMP], [1], [Define to 1 if GMP library is installed.])
775 dnl ** (Mac OS X only: check for GMP.framework)
777 case $HostPlatform in
779 AC_MSG_CHECKING([for GMP.framework])
781 LIBS="-framework GMP"
782 AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkGMP=YES,)
783 if test $HaveFrameworkGMP = YES; then
784 AC_DEFINE([HAVE_FRAMEWORK_GMP], [1], [Define to 1 if GMP.framework is installed (Mac OS X only).])
787 AC_MSG_RESULT([$HaveFrameworkGMP])
790 AC_SUBST(HaveFrameworkGMP)
792 dnl ** check for mingwex library
793 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
794 AC_SUBST(HaveLibMingwEx)
796 if test $HaveLibMingwEx = YES ; then
797 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
800 if test "$HaveLibGmp" = "NO"; then
801 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
802 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
806 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
807 dnl the order of these tests matters: bfd needs liberty
808 AC_CHECK_LIB(iberty, xmalloc)
809 AC_CHECK_LIB(bfd, bfd_init)
811 dnl ** check for math library
812 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
813 if test x"$fp_libm_not_needed" = xdunno; then
814 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
818 dnl ################################################################
819 dnl Check for libraries
820 dnl ################################################################
822 dnl ** check whether we need -ldl to get dlopen()
824 AC_CHECK_LIB(dl, dlopen,
826 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
831 dnl --------------------------------------------------
832 dnl * Miscellaneous feature tests
833 dnl --------------------------------------------------
835 dnl ** can we get alloca?
838 dnl ** Working vfork?
841 dnl ** determine whether or not const works
844 dnl ** are we big endian?
846 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
848 dnl ** check for leading underscores in symbol names
849 FP_LEADING_UNDERSCORE
851 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
855 dnl ** check for Apple-style dead-stripping support
856 dnl (.subsections-via-symbols assembler directive)
859 AC_MSG_CHECKING(for .subsections_via_symbols)
861 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
863 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
864 [Define to 1 if Apple-style dead-stripping is supported.])
868 dnl *** check for GNU non-executable stack note support (ELF only)
869 dnl (.section .note.GNU-stack,"",@progbits)
871 AC_MSG_CHECKING(for GNU non-executable stack support)
873 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
875 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
876 [Define to 1 if GNU non-executable stack notes are supported.])
880 dnl ** check for librt
881 AC_CHECK_LIB(rt, clock_gettime)
882 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
883 FP_CHECK_TIMER_CREATE
885 dnl ** check for Apple's "interesting" long double compatibility scheme
886 AC_MSG_CHECKING(for printf\$LDBLStub)
887 AC_TRY_LINK_FUNC(printf\$LDBLStub,
890 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
891 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
895 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
896 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
900 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
901 if test -n "$GTK_CONFIG"; then
902 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
903 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
905 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
909 AC_SUBST([GTK_CONFIG])
912 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
913 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
914 AC_SUBST(HavePapiLib)
915 AC_SUBST(HavePapiHeader)
917 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
924 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
925 test "$XsltprocCmd" = ""
927 BUILD_DOCBOOK_HTML=NO
929 BUILD_DOCBOOK_HTML=YES
931 AC_SUBST(BUILD_DOCBOOK_HTML)
933 if test "$DblatexCmd" = ""
939 BUILD_DOCBOOK_PDF=YES
941 AC_SUBST(BUILD_DOCBOOK_PS)
942 AC_SUBST(BUILD_DOCBOOK_PDF)
944 AC_CONFIG_FILES([mk/config.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.cabal ghc.spec extra-gcc-opts docs/users_guide/ug-book.xml distrib/ghc.iss])
945 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
949 # http://savannah.gnu.org/bugs/index.php?1516
950 # $(eval ...) inside conditionals causes errors
951 # with make 3.80, so warn the user if it looks like they're about to
953 # We would use "grep -q" here, but Solaris's grep doesn't support it.
955 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
958 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
959 echo "This version cannot be used to build GHC."
960 echo "Please use GNU make >= 3.81."
968 ----------------------------------------------------------------------
969 Configure completed successfully.
971 Building GHC version : $ProjectVersion
973 Build platform : $BuildPlatform
974 Host platform : $HostPlatform
975 Target platform : $TargetPlatform
978 if test "$BootingFromHc" = "YES"; then
980 Bootstrapping from HC files.
984 Bootstrapping using : $WithGhc
985 which is version : $GhcVersion
990 Using GCC : $WhatGccIsCalled
991 which is version : $GccVersion
994 Happy : $HappyCmd ($HappyVersion)
995 Alex : $AlexCmd ($AlexVersion)
998 dblatex : $DblatexCmd
999 xsltproc : $XsltprocCmd"]
1001 if test "$HSCOLOUR" = ""; then
1003 HsColour was not found; documentation will not contain source links
1007 HsColour : $HSCOLOUR
1012 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
1013 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
1014 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF
1016 Building shared libraries : $BuildSharedLibs"]
1018 echo ["----------------------------------------------------------------------
1022 For a standard build of GHC (fully optimised with profiling), type (g)make.
1024 To make changes to the default build configuration, copy the file
1025 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1027 For more information on how to configure your GHC build, see
1028 http://hackage.haskell.org/trac/ghc/wiki/Building