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], [$ac_configure_args])
36 dnl ----------------------------------------------------------
37 dnl ** Find unixy sort and find commands,
38 dnl ** which are needed by FP_SETUP_PROJECT_VERSION
40 dnl ** Find find command (for Win32's benefit)
43 dnl ** Find sort command (for the benefit of Win32 environs)
46 dnl ----------------------------------------------------------
47 FP_SETUP_PROJECT_VERSION
49 # Hmmm, we fix the RPM release number to 1 here... Is this convenient?
50 AC_SUBST([release], [1])
52 # First off, a distrib sanity check..
53 AC_CONFIG_SRCDIR([mk/config.mk.in])
55 dnl * We require autoconf version 2.52
56 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
57 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
60 # -------------------------------------------------------------------------
61 # Prepare to generate the following header files
64 AC_CONFIG_HEADER(mk/config.h)
66 # No, semi-sadly, we don't do `--srcdir'...
67 if test x"$srcdir" != 'x.' ; then
68 echo "This configuration does not support the \`--srcdir' option.."
72 dnl --------------------------------------------------------------
73 dnl * Project specific configuration options
74 dnl --------------------------------------------------------------
75 dnl What follows is a bunch of options that can either be configured
76 dnl through command line options to the configure script or by
77 dnl supplying defns in the build tree's mk/build.mk. Having the option to
78 dnl use either is considered a Feature.
80 dnl ** What command to use to compile compiler sources ?
81 dnl --------------------------------------------------------------
84 [AC_HELP_STRING([--with-ghc=ARG],
85 [Use ARG as the path to GHC [default=autodetect]])],
87 [if test "$GHC" = ""; then
88 AC_PATH_PROG([GHC], [ghc])
92 dnl ** Booting from unregisterised .hc files?
93 dnl --------------------------------------------------------------
94 AC_ARG_ENABLE(hc-boot-unregisterised,
95 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
96 [ With --enable-hc-boot, treat the intermediate .hc files as
97 unregisterised rather than registerised code.
98 (This option is mostly of interest to porters.) [default=no]])],
99 [ if test x"$enableval" = x"yes"; then
100 BootingFromUnregisterisedHc=YES
102 BootingFromUnregisterisedHc=NO
105 [BootingFromUnregisterisedHc=NO]
107 AC_SUBST(BootingFromUnregisterisedHc)
109 if test "$BootingFromHc" = "NO"; then
110 if test "$BootingFromUnregisterisedHc" = "YES"; then
111 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
115 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
116 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
117 if test "$WithGhc" = ""; then
118 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
120 FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.8],
121 [AC_MSG_ERROR([GHC version 6.8 or later is required to compile GHC.])])dnl
123 if test `expr $GhcMinVersion % 2` = "1"; then
124 echo $EnableBootstrapWithDevelSnaphost
125 if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
127 $WithGhc is a development snapshot of GHC, version $GhcVersion.
128 Bootstrapping using this version of GHC is not supported, and may not
129 work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
130 or --with-ghc to specify a different GHC to use.])
135 AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
136 [AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
137 [Allow bootstrapping using a development snapshot of GHC. This is not guaranteed to work.])],
138 EnableBootstrapWithDevelSnaphost=YES,
139 EnableBootstrapWithDevelSnaphost=NO
142 if test "$WithGhc" != ""; then
143 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
145 if test "$GhcMajVersion" = "unknown" -o "$GhcMinVersion" = "unknown"; then
146 AC_MSG_ERROR([Cannot determine the version of $WithGhc. Is it really GHC?])
149 AC_SUBST(GhcVersion)dnl
150 AC_SUBST(GhcMajVersion)dnl
151 AC_SUBST(GhcMinVersion)dnl
152 AC_SUBST(GhcPatchLevel)dnl
153 GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
154 GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
155 if test $GhcCanonVersion -ge 609; then ghc_ge_609=YES; else ghc_ge_609=NO; fi
156 AC_SUBST(ghc_ge_609)dnl
159 # GHC is passed to Cabal, so we need a native path
160 if test "${WithGhc}" != ""
162 ghc_host=`${WithGhc} +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
164 if test "$ghc_host" = "i386-unknown-mingw32"
166 if test "${OSTYPE}" = "msys"
168 WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
170 # Canonicalise to <drive>:/path/to/ghc
171 WithGhc=`cygpath -m ${WithGhc}`
173 echo "GHC path canonicalised to: ${WithGhc}"
178 dnl ** Without optimization some INLINE trickery fails for GHCi
181 dnl--------------------------------------------------------------------
182 dnl * Choose host(/target/build) platform
183 dnl--------------------------------------------------------------------
184 dnl We don't use the standard autoconf macros for this, but instead
185 dnl ask the bootstrapping compiler what platform it is for
187 dnl Guess host/target/build platform(s) if necessary.
188 m4_divert_once([HELP_CANON],
191 --build=BUILD configure for building on BUILD [guessed]
192 --host=HOST cross-compile to build programs to run on HOST [guessed]
193 --target=TARGET configure for building compilers for TARGET [guessed]]])dnl
195 if test "$build" = ""
197 if test "${WithGhc}" != ""
199 build=`${WithGhc} +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
200 echo "Build platform inferred as: $build"
202 echo "Can't work out build platform"
209 if test "${WithGhc}" != ""
211 host=`${WithGhc} +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
212 echo "Host platform inferred as: $host"
214 echo "Can't work out host platform"
219 if test "$target" = ""
221 if test "${WithGhc}" != ""
223 target=`${WithGhc} +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
224 echo "Target platform inferred as: $target"
226 echo "Can't work out target platform"
235 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
236 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
243 i386-apple-darwin|powerpc-apple-darwin)
248 CFLAGS="$CFLAGS -m64"
249 LDFLAGS="$LDFLAGS -m64"
250 SRC_CC_OPTS="$SRC_CC_OPTS -m64"
251 SRC_LD_OPTS="$SRC_LD_OPTS -m64"
257 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
260 echo "Unknown arch $1"
268 dec|unknown|hp|apple|next|sun|sgi|ibm)
271 echo "Unknown vendor $1"
279 linux|freebsd|netbsd|openbsd|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix)
282 echo "Unknown OS '$1'"
289 BuildArch=`echo "$build" | sed 's/-.*//'`
290 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
291 BuildOS=`echo "$build" | sed 's/.*-//'`
292 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
293 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
294 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
295 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
297 checkArch "$BuildArch"
298 checkVendor "$BuildVendor"
302 HostArch=`echo "$host" | sed 's/-.*//'`
303 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
304 HostOS=`echo "$host" | sed 's/.*-//'`
305 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
306 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
307 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
308 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
310 checkArch "$HostArch"
311 checkVendor "$HostVendor"
314 TargetPlatform=$target
315 TargetArch=`echo "$target" | sed 's/-.*//'`
316 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
317 TargetOS=`echo "$target" | sed 's/.*-//'`
318 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
319 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
320 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
321 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
323 checkArch "$TargetArch"
324 checkVendor "$TargetVendor"
327 AC_SUBST(BuildPlatform)
328 AC_SUBST(HostPlatform)
329 AC_SUBST(TargetPlatform)
330 AC_SUBST(HostPlatform_CPP)
331 AC_SUBST(BuildPlatform_CPP)
332 AC_SUBST(TargetPlatform_CPP)
334 AC_SUBST(HostArch_CPP)
335 AC_SUBST(BuildArch_CPP)
336 AC_SUBST(TargetArch_CPP)
339 AC_SUBST(BuildOS_CPP)
340 AC_SUBST(TargetOS_CPP)
342 AC_SUBST(HostVendor_CPP)
343 AC_SUBST(BuildVendor_CPP)
344 AC_SUBST(TargetVendor_CPP)
350 [AC_HELP_STRING([--with-hc=ARG],
351 [Use ARG as the path to the compiler for compiling ordinary
352 Haskell code (default= value of --with-ghc)])],
358 AC_PATH_PROGS(NHC,nhc nhc98)
359 AC_PATH_PROG(HBC,hbc)
361 dnl ** Which gcc to use?
362 dnl --------------------------------------------------------------
364 [AC_HELP_STRING([--with-gcc=ARG],
365 [Use ARG as the path to GCC [default=autodetect]])],
366 [WhatGccIsCalled="$withval"
367 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
368 test "${OSTYPE}" != "msys" && \
369 test "${withval}" != ""
371 # Canonicalise to <drive>:/path/to/gcc
372 withval=`cygpath -m ${withval}`
377 [WhatGccIsCalled="gcc"]
379 AC_SUBST(WhatGccIsCalled)
381 dnl ** Which ld to use?
382 dnl --------------------------------------------------------------
384 [AC_HELP_STRING([--with-ld=ARG],
385 [Use ARG as the path to LD [default=autodetect]])],
386 [if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
387 test "${OSTYPE}" != "msys" && \
388 test "${withval}" != ""
390 # Canonicalise to <drive>:/path/to/ld
391 withval=`cygpath -m ${withval}`
399 dnl ** Build shared and/or static libs?
400 dnl --------------------------------------------------------------
401 AC_ARG_ENABLE(shared,
402 [AC_HELP_STRING([--enable-shared],
403 [Build shared libraries, if available (EXPERIMENTAL, non-working). [default=no]])],
404 [ if test x"$enableval" = x"yes"; then
405 AC_MSG_WARN([--enable-shared is experimental and not fully supported at this time])
413 AC_SUBST(BuildSharedLibs)
416 # AC_ARG_ENABLE(static,
417 # [AC_HELP_STRING([--enable-static],
418 # [Build static libraries. [default=yes]])],
419 # [ if test x"$enableval" = x"yes"; then
420 # BuildStaticLibs=YES
425 # [BuildStaticLibs=YES]
427 # AC_SUBST(BuildStaticLibs)
429 dnl ** Booting from .hc files?
430 dnl --------------------------------------------------------------
431 AC_ARG_ENABLE(hc-boot,
432 [AC_HELP_STRING([--enable-hc-boot],
433 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
434 (This option is mostly of interest to porters.) [default=no]])],
435 [ if test x"$enableval" = x"yes"; then
443 AC_SUBST(BootingFromHc)
445 # This uses GHC, so put it after the "GHC is required" check above:
448 dnl ** Enable the construction of Win32 DLLs?
449 dnl --------------------------------------------------------------
451 dnl [ The ability to build the RTS and libraries as separate DLLs used
452 dnl to be supported, but isn't currently (updates to the RTS, compiler
453 dnl and build system would be required to bring it back again.)
454 dnl Hence, exposing it as an option is false advertisement, so better
455 dnl disable it to avoid confusion (but leave it commented-out rather
456 dnl than removed in order to remind ourselves to bring back the
457 dnl feature at some stage.) ]
459 dnl AC_ARG_ENABLE(win32-dlls,
460 dnl [ --enable-win32-dlls
461 dnl If on a Win32 platform running mingw32/cygwin, enable the
462 dnl construction of DLLs containing ghc-compiled code.
465 dnl case $HostOS_CPP in
468 dnl *) echo "Unrecognised win32 platform: $HostPlatform"
472 dnl EnableWin32DLLs=YES
474 dnl [EnableWin32DLLs=NO]
476 dnl AC_SUBST(EnableWin32DLLs)
477 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
478 dnl AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
481 dnl ** Mac OS X: explicit deployment target
482 dnl --------------------------------------------------------------
483 AC_ARG_WITH([macosx-deployment-target],
484 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
485 [Build for Mac OS VERSION and higher (default= version of build host)])],
486 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
487 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
488 # ignore everywhere, but on Mac OS
489 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
490 FP_MACOSX_DEPLOYMENT_TARGET=none
492 [FP_MACOSX_DEPLOYMENT_TARGET=none]
494 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
495 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
496 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
498 dnl --------------------------------------------------------------
499 dnl End of configure script option section
500 dnl --------------------------------------------------------------
503 dnl --------------------------------------------------------------
504 dnl * General configuration checks
505 dnl --------------------------------------------------------------
507 dnl ** Can the unix package be built?
508 dnl --------------------------------------------------------------
510 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
515 AC_SUBST([GhcLibsWithUnix])
520 dnl ** look for `perl', but only in /bin on Windows
523 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
524 if test -z "$PerlCmd"; then
525 echo "You must install the version of Perl shipped with GHC"
526 echo "(or a compatible one) in /bin."
531 AC_PATH_PROG(PerlCmd,perl)
532 if test -z "$PerlCmd"; then
533 echo "You must install perl before you can continue"
534 echo "Perhaps it is already installed, but not in your PATH?"
537 FPTOOLS_CHECK_PERL_VERSION
542 dnl ** does #! path/to/perl work? (sometimes it's too long...)
545 dnl ** check for Python
546 AC_PATH_PROG(PythonCmd,python)
548 dnl ** look for GCC and find out which version
549 dnl Figure out which C compiler to use. Gcc is preferred.
550 dnl If gcc, make sure it's at least 2.1
556 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
559 AC_SUBST(SRC_CC_OPTS)
560 AC_SUBST(SRC_LD_OPTS)
562 dnl ** figure out how to do context diffs
565 dnl Let's make sure install-sh is executable here. If we got it from
566 dnl a darcs repo, it might not be (see bug #978).
568 dnl ** figure out how to do a BSD-ish install
571 dnl If you can run configure, you certainly have /bin/sh
572 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
574 dnl ** how to invoke `ar' and `ranlib'
575 FP_PROG_AR_NEEDS_RANLIB
576 FP_PROG_AR_SUPPORTS_INPUT
578 dnl ** Check to see whether ln -s works
582 dnl ** Find the path to sed
583 AC_PATH_PROG(SedCmd,sed)
586 dnl ** check for time command
587 AC_PATH_PROG(TimeCmd,time)
590 dnl if GNU tar is named gtar, look for it first.
591 AC_PATH_PROGS(TarCmd,gtar tar,tar)
593 dnl ** check for patch
594 dnl if GNU patch is named gpatch, look for it first
595 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
597 AC_PATH_PROG(HSCOLOUR,HsColour)
598 # HsColour is passed to Cabal, so we need a native path
599 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
600 test "${OSTYPE}" != "msys" && \
601 test "${HSCOLOUR}" != ""
603 # Canonicalise to <drive>:/path/to/gcc
604 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
607 dnl ** check for DocBook toolchain
614 dnl ** check for ghc-pkg command
617 dnl ** check for installed happy binary + version
618 dnl (don't do it if we're booting from .hc files though.)
619 if test "$BootingFromHc" = "NO"; then
623 dnl ** check for installed alex binary + version
624 dnl (don't do it if we're booting from .hc files though.)
625 if test "$BootingFromHc" = "NO"; then
629 dnl Check we have an acceptable version of windres
632 dnl --------------------------------------------------
633 dnl ### program checking section ends here ###
634 dnl --------------------------------------------------
636 dnl --------------------------------------------------
637 dnl * Platform header file and syscall feature tests
638 dnl ### checking the state of the local header files and syscalls ###
640 dnl ** check for full ANSI header (.h) files
643 dnl ** Enable large file support. NB. do this before testing the type of
644 dnl off_t, because it will affect the result of that test.
647 dnl ** check for specific header (.h) files that we are interested in
648 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
650 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
653 dnl ** do we have long longs?
654 AC_CHECK_TYPES([long long])
656 dnl ** what are the sizes of various types
657 AC_CHECK_SIZEOF(char, 1)
658 AC_CHECK_SIZEOF(double, 8)
659 AC_CHECK_SIZEOF(float, 4)
660 AC_CHECK_SIZEOF(int, 4)
661 AC_CHECK_SIZEOF(long, 4)
662 if test "$ac_cv_type_long_long" = yes; then
663 AC_CHECK_SIZEOF(long long, 8)
665 AC_CHECK_SIZEOF(short, 2)
666 AC_CHECK_SIZEOF(unsigned char, 1)
667 AC_CHECK_SIZEOF(unsigned int, 4)
668 AC_CHECK_SIZEOF(unsigned long, 4)
669 if test "$ac_cv_type_long_long" = yes; then
670 AC_CHECK_SIZEOF(unsigned long long, 8)
672 AC_CHECK_SIZEOF(unsigned short, 2)
673 AC_CHECK_SIZEOF(void *, 4)
675 dnl ** what are alignment constraints on various types
676 FP_CHECK_ALIGNMENT(char)
677 FP_CHECK_ALIGNMENT(double)
678 FP_CHECK_ALIGNMENT(float)
679 FP_CHECK_ALIGNMENT(int)
680 FP_CHECK_ALIGNMENT(long)
681 if test "$ac_cv_type_long_long" = yes; then
682 FP_CHECK_ALIGNMENT(long long)
684 FP_CHECK_ALIGNMENT(short)
685 FP_CHECK_ALIGNMENT(unsigned char)
686 FP_CHECK_ALIGNMENT(unsigned int)
687 FP_CHECK_ALIGNMENT(unsigned long)
688 if test "$ac_cv_type_long_long" = yes; then
689 FP_CHECK_ALIGNMENT(unsigned long long)
691 FP_CHECK_ALIGNMENT(unsigned short)
692 FP_CHECK_ALIGNMENT(void *)
694 FP_CHECK_FUNC([WinExec],
695 [@%:@include <windows.h>], [WinExec("",0)])
697 FP_CHECK_FUNC([GetModuleFileName],
698 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
700 dnl ** check return type of signal handlers
701 dnl Foo: assumes we can use prototypes.
702 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
703 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
704 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
705 dnl #include <signal.h>
709 dnl void (*signal (int, void (*)(int)))(int);
712 dnl [ac_cv_type_signal_handler=void_int],
713 dnl [ac_cv_type_signal_handler=int_void])])
714 dnl if test "$ac_cv_type_signal_handler" = void_int; then
715 dnl AC_DEFINE(VOID_INT_SIGNALS)
718 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
720 if test "$ac_cv_type_signal" = void; then
721 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).])
724 dnl ** check for more functions
725 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
726 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
729 #include <sys/types.h>
730 #include <sys/time.h>
732 struct itimerval tval;
733 tval.it_value.tv_sec = 1;
734 tval.it_value.tv_usec = 0;
735 tval.it_interval = tval.it_value;
736 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
738 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
740 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
741 dnl ** _POSIX_C_SOURCE is defined
742 AC_CHECK_DECLS([ctime_r], , ,
743 [#define _POSIX_SOURCE 1
744 #define _POSIX_C_SOURCE 199506L
747 dnl ** check for mingwex library
748 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
749 AC_SUBST(HaveLibMingwEx)
751 if test $HaveLibMingwEx = YES ; then
752 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
755 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
756 dnl the order of these tests matters: bfd needs liberty
757 AC_CHECK_LIB(iberty, xmalloc)
758 AC_CHECK_LIB(bfd, bfd_init)
760 dnl ** check for math library
761 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
762 if test x"$fp_libm_not_needed" = xdunno; then
763 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
767 dnl ################################################################
768 dnl Check for libraries
769 dnl ################################################################
771 dnl ** check whether we need -ldl to get dlopen()
773 AC_CHECK_LIB(dl, dlopen,
775 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
780 dnl --------------------------------------------------
781 dnl * Miscellaneous feature tests
782 dnl --------------------------------------------------
784 dnl ** can we get alloca?
787 dnl ** Working vfork?
790 dnl ** determine whether or not const works
793 dnl ** are we big endian?
795 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
797 dnl ** check for leading underscores in symbol names
798 FP_LEADING_UNDERSCORE
800 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
804 dnl ** check for Apple-style dead-stripping support
805 dnl (.subsections-via-symbols assembler directive)
808 AC_MSG_CHECKING(for .subsections_via_symbols)
810 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
812 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
813 [Define to 1 if Apple-style dead-stripping is supported.])
817 dnl *** check for GNU non-executable stack note support (ELF only)
818 dnl (.section .note.GNU-stack,"",@progbits)
820 AC_MSG_CHECKING(for GNU non-executable stack support)
822 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
824 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
825 [Define to 1 if GNU non-executable stack notes are supported.])
829 dnl ** check for librt
830 AC_CHECK_LIB(rt, clock_gettime)
831 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
832 FP_CHECK_TIMER_CREATE
834 dnl ** check for Apple's "interesting" long double compatibility scheme
835 AC_MSG_CHECKING(for printf\$LDBLStub)
836 AC_TRY_LINK_FUNC(printf\$LDBLStub,
839 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
840 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
844 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
845 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
849 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
850 if test -n "$GTK_CONFIG"; then
851 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
852 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
854 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
858 AC_SUBST([GTK_CONFIG])
861 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
862 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
863 AC_SUBST(HavePapiLib)
864 AC_SUBST(HavePapiHeader)
866 AC_CHECK_FUNCS(__mingw_vfprintf)
868 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
875 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
876 test "$XsltprocCmd" = ""
878 BUILD_DOCBOOK_HTML=NO
880 BUILD_DOCBOOK_HTML=YES
882 AC_SUBST(BUILD_DOCBOOK_HTML)
884 if test "$DblatexCmd" = ""
890 BUILD_DOCBOOK_PDF=YES
892 AC_SUBST(BUILD_DOCBOOK_PS)
893 AC_SUBST(BUILD_DOCBOOK_PDF)
895 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
896 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
899 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])
900 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
904 # http://savannah.gnu.org/bugs/index.php?1516
905 # $(eval ...) inside conditionals causes errors
906 # with make 3.80, so warn the user if it looks like they're about to
908 # We would use "grep -q" here, but Solaris's grep doesn't support it.
910 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
913 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
914 echo "This version cannot be used to build GHC."
915 echo "Please use GNU make >= 3.81."
923 ----------------------------------------------------------------------
924 Configure completed successfully.
926 Building GHC version : $ProjectVersion
928 Build platform : $BuildPlatform
929 Host platform : $HostPlatform
930 Target platform : $TargetPlatform
933 if test "$BootingFromHc" = "YES"; then
935 Bootstrapping from HC files.
939 Bootstrapping using : $WithGhc
940 which is version : $GhcVersion
945 Using GCC : $WhatGccIsCalled
946 which is version : $GccVersion
949 Happy : $HappyCmd ($HappyVersion)
950 Alex : $AlexCmd ($AlexVersion)
953 dblatex : $DblatexCmd
954 xsltproc : $XsltprocCmd"]
956 if test "$HSCOLOUR" = ""; then
958 HsColour was not found; documentation will not contain source links
967 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
968 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
969 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF
971 Building shared libraries : $BuildSharedLibs"]
973 echo ["----------------------------------------------------------------------
977 For a standard build of GHC (fully optimised with profiling), type (g)make.
979 To make changes to the default build configuration, copy the file
980 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
982 For more information on how to configure your GHC build, see
983 http://hackage.haskell.org/trac/ghc/wiki/Building