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], [7.1], [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 'perl 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])
93 dnl ** Tell the make system which OS we are using
94 dnl $OSTYPE is set by the operating system to "msys" or "cygwin" or something
97 dnl ** Booting from .hc files?
98 dnl --------------------------------------------------------------
99 AC_ARG_ENABLE(hc-boot,
100 [AC_HELP_STRING([--enable-hc-boot],
101 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
102 (This option is mostly of interest to porters.) [default=no]])],
103 [ if test x"$enableval" = x"yes"; then
111 AC_SUBST(BootingFromHc)
113 AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
114 [AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
115 [Allow bootstrapping using a development snapshot of GHC. This is not guaranteed to work.])],
116 EnableBootstrapWithDevelSnaphost=YES,
117 EnableBootstrapWithDevelSnaphost=NO
120 if test "$WithGhc" != ""; then
121 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
123 if test "$GhcMajVersion" = "unknown" -o "$GhcMinVersion" = "unknown"; then
124 AC_MSG_ERROR([Cannot determine the version of $WithGhc. Is it really GHC?])
127 AC_SUBST(GhcVersion)dnl
128 AC_SUBST(GhcMajVersion)dnl
129 AC_SUBST(GhcMinVersion)dnl
130 AC_SUBST(GhcPatchLevel)dnl
131 GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
132 GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
133 if test $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
134 AC_SUBST(ghc_ge_613)dnl
137 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
138 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
139 if test "$WithGhc" = ""; then
140 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
142 FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.12],
143 [AC_MSG_ERROR([GHC version 6.12 or later is required to compile GHC.])])dnl
145 if test `expr $GhcMinVersion % 2` = "1"; then
146 if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
148 $WithGhc is a development snapshot of GHC, version $GhcVersion.
149 Bootstrapping using this version of GHC is not supported, and may not
150 work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
151 or --with-ghc to specify a different GHC to use.])
156 # GHC is passed to Cabal, so we need a native path
157 if test "${WithGhc}" != ""
159 ghc_host=`"${WithGhc}" +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
161 if test "$ghc_host" = "i386-unknown-mingw32"
163 if test "${OSTYPE}" = "msys"
165 WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
167 # Canonicalise to <drive>:/path/to/ghc
168 WithGhc=`cygpath -m "${WithGhc}"`
170 echo "GHC path canonicalised to: ${WithGhc}"
175 dnl ** Without optimization some INLINE trickery fails for GHCi
181 dnl--------------------------------------------------------------------
182 dnl * Choose host(/target/build) platform
183 dnl--------------------------------------------------------------------
184 dnl If we aren't explicitly told what values to use with configure flags,
185 dnl we ask the bootstrapping compiler what platform it is for
187 if test "${WithGhc}" != ""
189 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
190 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
191 if test "$bootstrap_host" != "$bootstrap_target"
193 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
197 # We have to run these unconditionally, but we may discard their
198 # results in the following code
203 FPTOOLS_SET_PLATFORM_VARS
209 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
210 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
217 i386-apple-darwin|powerpc-apple-darwin)
225 # Sync this with cTargetArch in compiler/ghc.mk
228 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
231 echo "Unknown arch $1"
239 dec|unknown|hp|apple|next|sun|sgi|ibm)
242 echo "Unknown vendor $1"
250 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
253 echo "Unknown OS '$1'"
259 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
260 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
261 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
262 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
263 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
265 checkArch "$BuildArch"
266 checkVendor "$BuildVendor"
269 HostPlatform="$HostArch-$HostVendor-$HostOS"
270 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
271 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
272 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
273 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
275 checkArch "$HostArch"
276 checkVendor "$HostVendor"
279 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
280 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
281 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
282 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
283 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
285 checkArch "$TargetArch"
286 checkVendor "$TargetVendor"
289 # Verify that the installed (bootstrap) GHC is capable of generating
290 # code for the requested build platform.
291 if test "$BuildPlatform" != "$bootstrap_target"
293 echo "This GHC (${WithGhc}) does not generate code for the build platform"
294 echo " GHC target platform : $bootstrap_target"
295 echo " Desired build platform : $BuildPlatform"
299 echo "GHC build : $BuildPlatform"
300 echo "GHC host : $HostPlatform"
301 echo "GHC target : $TargetPlatform"
303 AC_SUBST(BuildPlatform)
304 AC_SUBST(HostPlatform)
305 AC_SUBST(TargetPlatform)
306 AC_SUBST(HostPlatform_CPP)
307 AC_SUBST(BuildPlatform_CPP)
308 AC_SUBST(TargetPlatform_CPP)
310 AC_SUBST(HostArch_CPP)
311 AC_SUBST(BuildArch_CPP)
312 AC_SUBST(TargetArch_CPP)
315 AC_SUBST(BuildOS_CPP)
316 AC_SUBST(TargetOS_CPP)
318 AC_SUBST(HostVendor_CPP)
319 AC_SUBST(BuildVendor_CPP)
320 AC_SUBST(TargetVendor_CPP)
326 [AC_HELP_STRING([--with-hc=ARG],
327 [Use ARG as the path to the compiler for compiling ordinary
328 Haskell code (default= value of --with-ghc)])],
334 # This uses GHC, so put it after the "GHC is required" check above:
338 if test "$HostOS" = "mingw32"
340 test -d inplace || mkdir inplace
342 CC="$hardtop/inplace/mingw/bin/gcc.exe"
343 LD="$hardtop/inplace/mingw/bin/ld.exe"
344 NM="$hardtop/inplace/mingw/bin/nm.exe"
345 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
347 # NB. If you update the tarbballs to a new version of gcc, don't
348 # forget to tweak the paths in driver/gcc/gcc.c.
349 if ! test -d inplace/mingw ||
350 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
351 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
352 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
353 test inplace/mingw -ot ghc-tarballs/mingw/libgcc*.tar.gz ||
354 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
355 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
356 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
357 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
358 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
359 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
360 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
362 AC_MSG_NOTICE([Making in-tree mingw tree])
367 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
368 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
369 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
370 tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma &&
371 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
372 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
373 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
374 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
375 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
376 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
377 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
378 mv bin/gcc.exe bin/realgcc.exe
380 PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
381 if ! test -e inplace/mingw/bin/gcc.exe
383 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
385 AC_MSG_NOTICE([In-tree mingw tree created])
387 if ! test -d inplace/perl ||
388 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
390 AC_MSG_NOTICE([Making in-tree perl tree])
396 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
398 AC_MSG_NOTICE([In-tree perl tree created])
402 dnl ** Which gcc to use?
403 dnl --------------------------------------------------------------
404 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
406 WhatGccIsCalled="$CC"
407 AC_SUBST(WhatGccIsCalled)
409 dnl ** Which ld to use?
410 dnl --------------------------------------------------------------
411 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
415 dnl ** Which nm to use?
416 dnl --------------------------------------------------------------
417 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
422 if test "$TargetOS_CPP" = "darwin"
424 XCodeVersion=`xcodebuild -version | grep Xcode | sed "s/Xcode //"`
425 XCodeVersion1=`echo "$XCodeVersion" | sed 's/\..*//'`
426 XCodeVersion2=`echo "$XCodeVersion" | sed 's/.*\.//'`
427 # Old XCode versions don't actually give the XCode version
428 if test "$XCodeVersion" = ""
432 # Split objects is broken (#4013) with XCode < 3.2
433 if test "$XCodeVersion1" -lt 3
437 if test "$XCodeVersion1" -eq 3 && test "$XCodeVersion2" -lt 2
442 AC_SUBST([SplitObjsBroken])
444 dnl ** Mac OS X: explicit deployment target
445 dnl --------------------------------------------------------------
446 AC_ARG_WITH([macosx-deployment-target],
447 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
448 [Build for Mac OS VERSION and higher (default= version of build host)])],
449 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
450 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
451 # ignore everywhere, but on Mac OS
452 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
453 FP_MACOSX_DEPLOYMENT_TARGET=none
455 [FP_MACOSX_DEPLOYMENT_TARGET=none]
457 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
458 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
459 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
461 dnl --------------------------------------------------------------
462 dnl End of configure script option section
463 dnl --------------------------------------------------------------
466 dnl --------------------------------------------------------------
467 dnl * General configuration checks
468 dnl --------------------------------------------------------------
470 dnl ** Can the unix package be built?
471 dnl --------------------------------------------------------------
473 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
478 AC_SUBST([GhcLibsWithUnix])
483 dnl ** look for `perl'
486 PerlCmd=$hardtop/inplace/perl/perl
489 AC_PATH_PROG(PerlCmd,perl)
490 if test -z "$PerlCmd"
492 echo "You must install perl before you can continue"
493 echo "Perhaps it is already installed, but not in your PATH?"
496 FPTOOLS_CHECK_PERL_VERSION
501 dnl ** does #! path/to/perl work? (sometimes it's too long...)
504 dnl ** check for Python
505 AC_PATH_PROG(PythonCmd,python)
507 dnl ** look for GCC and find out which version
508 dnl Figure out which C compiler to use. Gcc is preferred.
509 dnl If gcc, make sure it's at least 2.1
513 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
514 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
515 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
516 # Stage 3 won't be supported by cross-compilation
517 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
521 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
524 AC_SUBST(CONF_CC_OPTS_STAGE0)
525 AC_SUBST(CONF_CC_OPTS_STAGE1)
526 AC_SUBST(CONF_CC_OPTS_STAGE2)
527 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
528 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
529 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
530 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
531 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
532 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
533 AC_SUBST(CONF_CPP_OPTS_STAGE0)
534 AC_SUBST(CONF_CPP_OPTS_STAGE1)
535 AC_SUBST(CONF_CPP_OPTS_STAGE2)
537 dnl ** figure out how to do context diffs
540 dnl Let's make sure install-sh is executable here. If we got it from
541 dnl a darcs repo, it might not be (see bug #978).
543 dnl ** figure out how to do a BSD-ish install
546 dnl If you can run configure, you certainly have /bin/sh
547 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
549 dnl ** how to invoke `ar' and `ranlib'
550 FP_PROG_AR_SUPPORTS_ATFILE
551 FP_PROG_AR_NEEDS_RANLIB
552 FP_PROG_AR_SUPPORTS_INPUT
554 dnl ** Check to see whether ln -s works
558 dnl ** Find the path to sed
559 AC_PATH_PROGS(SedCmd,gsed sed,sed)
562 dnl ** check for time command
563 AC_PATH_PROG(TimeCmd,time)
566 dnl if GNU tar is named gtar, look for it first.
567 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
569 dnl ** check for patch
570 dnl if GNU patch is named gpatch, look for it first
571 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
573 dnl ** check for dtrace (currently only implemented for Mac OS X)
575 AC_PATH_PROG(DtraceCmd,dtrace)
576 if test -n "$DtraceCmd"; then
577 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" == "xsolaris2-unknown"; then
583 AC_PATH_PROG(HSCOLOUR,HsColour)
584 # HsColour is passed to Cabal, so we need a native path
585 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
586 test "${OSTYPE}" != "msys" && \
587 test "${HSCOLOUR}" != ""
589 # Canonicalise to <drive>:/path/to/gcc
590 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
593 dnl ** check for DocBook toolchain
600 dnl ** check for ghc-pkg command
603 dnl ** check for installed happy binary + version
604 dnl (don't do it if we're booting from .hc files though.)
605 if test "$BootingFromHc" = "NO"; then
609 dnl ** check for installed alex binary + version
610 dnl (don't do it if we're booting from .hc files though.)
611 if test "$BootingFromHc" = "NO"; then
615 dnl --------------------------------------------------
616 dnl ### program checking section ends here ###
617 dnl --------------------------------------------------
619 dnl --------------------------------------------------
620 dnl * Platform header file and syscall feature tests
621 dnl ### checking the state of the local header files and syscalls ###
623 dnl ** check for full ANSI header (.h) files
626 dnl ** Enable large file support. NB. do this before testing the type of
627 dnl off_t, because it will affect the result of that test.
630 dnl ** check for specific header (.h) files that we are interested in
631 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
633 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
636 dnl ** do we have long longs?
637 AC_CHECK_TYPES([long long])
639 dnl ** what are the sizes of various types
640 AC_CHECK_SIZEOF(char, 1)
641 AC_CHECK_SIZEOF(double, 8)
642 AC_CHECK_SIZEOF(float, 4)
643 AC_CHECK_SIZEOF(int, 4)
644 AC_CHECK_SIZEOF(long, 4)
645 if test "$ac_cv_type_long_long" = yes; then
646 AC_CHECK_SIZEOF(long long, 8)
648 AC_CHECK_SIZEOF(short, 2)
649 AC_CHECK_SIZEOF(unsigned char, 1)
650 AC_CHECK_SIZEOF(unsigned int, 4)
651 AC_CHECK_SIZEOF(unsigned long, 4)
652 if test "$ac_cv_type_long_long" = yes; then
653 AC_CHECK_SIZEOF(unsigned long long, 8)
655 AC_CHECK_SIZEOF(unsigned short, 2)
656 AC_CHECK_SIZEOF(void *, 4)
658 dnl ** what are alignment constraints on various types
659 FP_CHECK_ALIGNMENT(char)
660 FP_CHECK_ALIGNMENT(double)
661 FP_CHECK_ALIGNMENT(float)
662 FP_CHECK_ALIGNMENT(int)
663 FP_CHECK_ALIGNMENT(long)
664 if test "$ac_cv_type_long_long" = yes; then
665 FP_CHECK_ALIGNMENT(long long)
667 FP_CHECK_ALIGNMENT(short)
668 FP_CHECK_ALIGNMENT(unsigned char)
669 FP_CHECK_ALIGNMENT(unsigned int)
670 FP_CHECK_ALIGNMENT(unsigned long)
671 if test "$ac_cv_type_long_long" = yes; then
672 FP_CHECK_ALIGNMENT(unsigned long long)
674 FP_CHECK_ALIGNMENT(unsigned short)
675 FP_CHECK_ALIGNMENT(void *)
677 FP_CHECK_FUNC([WinExec],
678 [@%:@include <windows.h>], [WinExec("",0)])
680 FP_CHECK_FUNC([GetModuleFileName],
681 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
683 dnl ** check return type of signal handlers
684 dnl Foo: assumes we can use prototypes.
685 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
686 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
687 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
688 dnl #include <signal.h>
692 dnl void (*signal (int, void (*)(int)))(int);
695 dnl [ac_cv_type_signal_handler=void_int],
696 dnl [ac_cv_type_signal_handler=int_void])])
697 dnl if test "$ac_cv_type_signal_handler" = void_int; then
698 dnl AC_DEFINE(VOID_INT_SIGNALS)
701 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
703 if test "$ac_cv_type_signal" = void; then
704 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).])
707 dnl ** check for more functions
708 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
709 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
712 #include <sys/types.h>
713 #include <sys/time.h>
715 struct itimerval tval;
716 tval.it_value.tv_sec = 1;
717 tval.it_value.tv_usec = 0;
718 tval.it_interval = tval.it_value;
719 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
721 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
723 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
724 dnl ** _POSIX_C_SOURCE is defined
725 AC_CHECK_DECLS([ctime_r], , ,
726 [#define _POSIX_SOURCE 1
727 #define _POSIX_C_SOURCE 199506L
730 dnl ** check for mingwex library
731 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
732 AC_SUBST(HaveLibMingwEx)
734 if test $HaveLibMingwEx = YES ; then
735 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
738 dnl ** check for math library
739 dnl Keep that check as early as possible.
740 dnl as we need to know whether we need libm
741 dnl for math functions or not
742 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
743 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
744 if test $HaveLibM = YES
746 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
749 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
750 dnl the order of these tests matters: bfd needs liberty
751 AC_CHECK_LIB(iberty, xmalloc)
752 AC_CHECK_LIB(bfd, bfd_init)
754 dnl ################################################################
755 dnl Check for libraries
756 dnl ################################################################
758 dnl ** check whether we need -ldl to get dlopen()
760 AC_CHECK_LIB(dl, dlopen,
762 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
767 dnl --------------------------------------------------
768 dnl * Miscellaneous feature tests
769 dnl --------------------------------------------------
771 dnl ** can we get alloca?
774 dnl ** Working vfork?
777 dnl ** determine whether or not const works
780 dnl ** are we big endian?
782 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
784 dnl ** check for leading underscores in symbol names
785 FP_LEADING_UNDERSCORE
787 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
791 dnl ** check for Apple-style dead-stripping support
792 dnl (.subsections-via-symbols assembler directive)
795 AC_MSG_CHECKING(for .subsections_via_symbols)
797 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
799 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
800 [Define to 1 if Apple-style dead-stripping is supported.])
804 dnl *** check for GNU non-executable stack note support (ELF only)
805 dnl (.section .note.GNU-stack,"",@progbits)
807 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
808 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
809 dnl so we empty CFLAGS while running this test
812 AC_MSG_CHECKING(for GNU non-executable stack support)
814 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
816 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
817 [Define to 1 if GNU non-executable stack notes are supported.])
824 dnl ** check for librt
825 AC_CHECK_LIB(rt, clock_gettime)
826 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
827 FP_CHECK_TIMER_CREATE
829 dnl ** check for Apple's "interesting" long double compatibility scheme
830 AC_MSG_CHECKING(for printf\$LDBLStub)
831 AC_TRY_LINK_FUNC(printf\$LDBLStub,
834 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
835 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
839 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
840 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
843 dnl ** check for eventfd which is needed by the I/O manager
844 AC_CHECK_HEADERS([sys/eventfd.h])
845 AC_CHECK_FUNCS([eventfd])
848 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
849 if test -n "$GTK_CONFIG"; then
850 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
851 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
853 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
857 AC_SUBST([GTK_CONFIG])
860 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
861 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
862 AC_SUBST(HavePapiLib)
863 AC_SUBST(HavePapiHeader)
865 AC_CHECK_FUNCS(__mingw_vfprintf)
867 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
874 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
875 test "$XsltprocCmd" = ""
877 BUILD_DOCBOOK_HTML=NO
879 BUILD_DOCBOOK_HTML=YES
881 AC_SUBST(BUILD_DOCBOOK_HTML)
883 if test "$DblatexCmd" = ""
889 BUILD_DOCBOOK_PDF=YES
891 AC_SUBST(BUILD_DOCBOOK_PS)
892 AC_SUBST(BUILD_DOCBOOK_PDF)
894 LIBRARY_VERSION(base)
895 LIBRARY_VERSION(Cabal)
896 LIBRARY_VERSION(ghc-prim)
897 LIBRARY_ghc_VERSION="$ProjectVersion"
898 AC_SUBST(LIBRARY_ghc_VERSION)
900 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
901 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
904 AC_CONFIG_FILES([mk/config.mk mk/install.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.cabal utils/runghc/runghc.cabal ghc.spec extra-gcc-opts docs/users_guide/ug-book.xml docs/users_guide/ug-ent.xml docs/index.html libraries/prologue.txt distrib/ghc.iss distrib/configure.ac])
905 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
909 # http://savannah.gnu.org/bugs/index.php?1516
910 # $(eval ...) inside conditionals causes errors
911 # with make 3.80, so warn the user if it looks like they're about to
913 # We would use "grep -q" here, but Solaris's grep doesn't support it.
915 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
918 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
919 echo "This version cannot be used to build GHC."
920 echo "Please use GNU make >= 3.81."
928 ----------------------------------------------------------------------
929 Configure completed successfully.
931 Building GHC version : $ProjectVersion
933 Build platform : $BuildPlatform
934 Host platform : $HostPlatform
935 Target platform : $TargetPlatform
938 if test "$BootingFromHc" = "YES"; then
940 Bootstrapping from HC files.
944 Bootstrapping using : $WithGhc
945 which is version : $GhcVersion
950 Using GCC : $WhatGccIsCalled
951 which is version : $GccVersion
954 Happy : $HappyCmd ($HappyVersion)
955 Alex : $AlexCmd ($AlexVersion)
958 dblatex : $DblatexCmd
959 xsltproc : $XsltprocCmd"]
961 if test "$HSCOLOUR" = ""; then
963 HsColour was not found; documentation will not contain source links
972 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
973 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
974 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
976 echo ["----------------------------------------------------------------------
980 For a standard build of GHC (fully optimised with profiling), type (g)make.
982 To make changes to the default build configuration, copy the file
983 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
985 For more information on how to configure your GHC build, see
986 http://hackage.haskell.org/trac/ghc/wiki/Building