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 $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
134 AC_SUBST(ghc_ge_613)dnl
136 BOOTSTRAPPING_GHC_INFO_FIELD([CC_STAGE0],[C compiler command],['$(CC)'])
137 BOOTSTRAPPING_GHC_INFO_FIELD([AR_STAGE0],[ar command],['$(AR)'])
138 BOOTSTRAPPING_GHC_INFO_FIELD([AR_OPTS_STAGE0],[ar flags],['$(AR_OPTS)'])
139 BOOTSTRAPPING_GHC_INFO_FIELD([ArSupportsAtFile_STAGE0],[ar supports at file],['$(ArSupportsAtFile)'])
142 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
143 if test "$BootingFromHc" = "NO"; then
144 if test "$WithGhc" = ""; then
145 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
147 FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.12],
148 [AC_MSG_ERROR([GHC version 6.12 or later is required to compile GHC.])])dnl
150 if test `expr $GhcMinVersion % 2` = "1"; then
151 if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
153 $WithGhc is a development snapshot of GHC, version $GhcVersion.
154 Bootstrapping using this version of GHC is not supported, and may not
155 work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
156 or --with-ghc to specify a different GHC to use.])
161 # GHC is passed to Cabal, so we need a native path
162 if test "${WithGhc}" != ""
164 ghc_host=`"${WithGhc}" +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
166 if test "$ghc_host" = "i386-unknown-mingw32"
168 if test "${OSTYPE}" = "msys"
170 WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
172 # Canonicalise to <drive>:/path/to/ghc
173 WithGhc=`cygpath -m "${WithGhc}"`
175 echo "GHC path canonicalised to: ${WithGhc}"
180 dnl ** Without optimization some INLINE trickery fails for GHCi
186 dnl--------------------------------------------------------------------
187 dnl * Choose host(/target/build) platform
188 dnl--------------------------------------------------------------------
189 dnl If we aren't explicitly told what values to use with configure flags,
190 dnl we ask the bootstrapping compiler what platform it is for
192 if test "${WithGhc}" != ""
194 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
195 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
196 if test "$bootstrap_host" != "$bootstrap_target"
198 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
202 # We have to run these unconditionally, but we may discard their
203 # results in the following code
208 FPTOOLS_SET_PLATFORM_VARS
214 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
215 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
222 i386-apple-darwin|powerpc-apple-darwin)
230 # Testing if we shall enable shared libs support on Solaris.
231 # Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.
233 SOLARIS_BROKEN_SHLD=NO
237 # here we go with the test
238 MINOR=`uname -r|cut -d '.' -f 2-`
239 if test "$MINOR" -lt "11"; then
240 SOLARIS_BROKEN_SHLD=YES
247 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
250 echo "Unknown arch $1"
258 dec|unknown|hp|apple|next|sun|sgi|ibm)
261 echo "Unknown vendor $1"
269 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
272 echo "Unknown OS '$1'"
278 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
279 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
280 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
281 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
282 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
284 checkArch "$BuildArch"
285 checkVendor "$BuildVendor"
288 HostPlatform="$HostArch-$HostVendor-$HostOS"
289 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
290 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
291 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
292 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
294 checkArch "$HostArch"
295 checkVendor "$HostVendor"
298 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
299 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
300 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
301 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
302 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
304 checkArch "$TargetArch"
305 checkVendor "$TargetVendor"
308 # Verify that the installed (bootstrap) GHC is capable of generating
309 # code for the requested build platform.
310 if test "$BootingFromHc" = "NO"
312 if test "$BuildPlatform" != "$bootstrap_target"
314 echo "This GHC (${WithGhc}) does not generate code for the build platform"
315 echo " GHC target platform : $bootstrap_target"
316 echo " Desired build platform : $BuildPlatform"
321 echo "GHC build : $BuildPlatform"
322 echo "GHC host : $HostPlatform"
323 echo "GHC target : $TargetPlatform"
325 AC_SUBST(BuildPlatform)
326 AC_SUBST(HostPlatform)
327 AC_SUBST(TargetPlatform)
328 AC_SUBST(HostPlatform_CPP)
329 AC_SUBST(BuildPlatform_CPP)
330 AC_SUBST(TargetPlatform_CPP)
332 AC_SUBST(HostArch_CPP)
333 AC_SUBST(BuildArch_CPP)
334 AC_SUBST(TargetArch_CPP)
337 AC_SUBST(BuildOS_CPP)
338 AC_SUBST(TargetOS_CPP)
340 AC_SUBST(HostVendor_CPP)
341 AC_SUBST(BuildVendor_CPP)
342 AC_SUBST(TargetVendor_CPP)
347 AC_SUBST(SOLARIS_BROKEN_SHLD)
350 [AC_HELP_STRING([--with-hc=ARG],
351 [Use ARG as the path to the compiler for compiling ordinary
352 Haskell code (default= value of --with-ghc)])],
358 # This uses GHC, so put it after the "GHC is required" check above:
362 if test "$HostOS" = "mingw32"
364 test -d inplace || mkdir inplace
366 CC="$hardtop/inplace/mingw/bin/gcc.exe"
367 LD="$hardtop/inplace/mingw/bin/ld.exe"
368 NM="$hardtop/inplace/mingw/bin/nm.exe"
369 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
371 # NB. If you update the tarbballs to a new version of gcc, don't
372 # forget to tweak the paths in driver/gcc/gcc.c.
373 if ! test -d inplace/mingw ||
374 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
375 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
376 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
377 test inplace/mingw -ot ghc-tarballs/mingw/libgcc*.tar.gz ||
378 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
379 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
380 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
381 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
382 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
383 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
384 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
386 AC_MSG_NOTICE([Making in-tree mingw tree])
391 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
392 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
393 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
394 tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma &&
395 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
396 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
397 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
398 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
399 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
400 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
401 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
402 mv bin/gcc.exe bin/realgcc.exe
404 PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
405 if ! test -e inplace/mingw/bin/gcc.exe
407 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
409 AC_MSG_NOTICE([In-tree mingw tree created])
411 if ! test -d inplace/perl ||
412 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
414 AC_MSG_NOTICE([Making in-tree perl tree])
420 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
422 AC_MSG_NOTICE([In-tree perl tree created])
426 dnl ** Which gcc to use?
427 dnl --------------------------------------------------------------
428 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
430 WhatGccIsCalled="$CC"
431 AC_SUBST(WhatGccIsCalled)
433 dnl ** Which ld to use?
434 dnl --------------------------------------------------------------
435 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
439 dnl ** Which nm to use?
440 dnl --------------------------------------------------------------
441 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
446 if test "$TargetOS_CPP" = "darwin"
448 AC_MSG_CHECKING(XCode version)
449 XCodeVersion=`xcodebuild -version | grep Xcode | sed "s/Xcode //"`
450 # Old XCode versions don't actually give the XCode version
451 if test "$XCodeVersion" = ""
453 AC_MSG_RESULT(not found (too old?))
456 AC_MSG_RESULT($XCodeVersion)
457 XCodeVersion1=`echo "$XCodeVersion" | sed 's/\..*//'`
459 XCodeVersion2=`echo "$XCodeVersion" | sed 's/[^.]*\.\([^.]*\).*/\1/'`
461 AC_MSG_NOTICE(XCode version component 1: $XCodeVersion1)
462 AC_MSG_NOTICE(XCode version component 2: $XCodeVersion2)
463 # Split objects is broken (#4013) with XCode < 3.2
464 if test "$XCodeVersion1" -lt 3
468 if test "$XCodeVersion1" -eq 3
470 if test "$XCodeVersion2" -lt 2
478 AC_SUBST([SplitObjsBroken])
480 dnl ** Mac OS X: explicit deployment target
481 dnl --------------------------------------------------------------
482 AC_ARG_WITH([macosx-deployment-target],
483 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
484 [Build for Mac OS VERSION and higher (default= version of build host)])],
485 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
486 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
487 # ignore everywhere, but on Mac OS
488 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
489 FP_MACOSX_DEPLOYMENT_TARGET=none
491 [FP_MACOSX_DEPLOYMENT_TARGET=none]
493 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
494 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
495 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
497 dnl --------------------------------------------------------------
498 dnl End of configure script option section
499 dnl --------------------------------------------------------------
502 dnl --------------------------------------------------------------
503 dnl * General configuration checks
504 dnl --------------------------------------------------------------
506 dnl ** Can the unix package be built?
507 dnl --------------------------------------------------------------
509 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
514 AC_SUBST([GhcLibsWithUnix])
519 dnl ** look for `perl'
522 PerlCmd=$hardtop/inplace/perl/perl
525 AC_PATH_PROG(PerlCmd,perl)
526 if test -z "$PerlCmd"
528 echo "You must install perl before you can continue"
529 echo "Perhaps it is already installed, but not in your PATH?"
532 FPTOOLS_CHECK_PERL_VERSION
537 dnl ** does #! path/to/perl work? (sometimes it's too long...)
540 dnl ** check for Python
541 AC_PATH_PROG(PythonCmd,python)
543 dnl ** look for GCC and find out which version
544 dnl Figure out which C compiler to use. Gcc is preferred.
545 dnl If gcc, make sure it's at least 2.1
549 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
550 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
551 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
552 # Stage 3 won't be supported by cross-compilation
553 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
557 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
560 AC_SUBST(CONF_CC_OPTS_STAGE0)
561 AC_SUBST(CONF_CC_OPTS_STAGE1)
562 AC_SUBST(CONF_CC_OPTS_STAGE2)
563 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
564 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
565 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
566 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
567 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
568 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
569 AC_SUBST(CONF_CPP_OPTS_STAGE0)
570 AC_SUBST(CONF_CPP_OPTS_STAGE1)
571 AC_SUBST(CONF_CPP_OPTS_STAGE2)
573 dnl ** figure out how to do context diffs
576 dnl Let's make sure install-sh is executable here. If we got it from
577 dnl a darcs repo, it might not be (see bug #978).
579 dnl ** figure out how to do a BSD-ish install
582 dnl If you can run configure, you certainly have /bin/sh
583 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
585 dnl ** how to invoke `ar' and `ranlib'
586 FP_PROG_AR_SUPPORTS_ATFILE
587 FP_PROG_AR_NEEDS_RANLIB
589 dnl ** Check to see whether ln -s works
593 dnl ** Find the path to sed
594 AC_PATH_PROGS(SedCmd,gsed sed,sed)
597 dnl ** check for time command
598 AC_PATH_PROG(TimeCmd,time)
601 dnl if GNU tar is named gtar, look for it first.
602 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
604 dnl ** check for patch
605 dnl if GNU patch is named gpatch, look for it first
606 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
608 dnl ** check for dtrace (currently only implemented for Mac OS X)
610 AC_PATH_PROG(DtraceCmd,dtrace)
611 if test -n "$DtraceCmd"; then
612 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" == "xsolaris2-unknown"; then
618 AC_PATH_PROG(HSCOLOUR,HsColour)
619 # HsColour is passed to Cabal, so we need a native path
620 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
621 test "${OSTYPE}" != "msys" && \
622 test "${HSCOLOUR}" != ""
624 # Canonicalise to <drive>:/path/to/gcc
625 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
628 dnl ** check for DocBook toolchain
633 dnl ** check for ghc-pkg command
636 dnl ** check for installed happy binary + version
637 dnl (don't do it if we're booting from .hc files though.)
638 if test "$BootingFromHc" = "NO"; then
642 dnl ** check for installed alex binary + version
643 dnl (don't do it if we're booting from .hc files though.)
644 if test "$BootingFromHc" = "NO"; then
648 dnl --------------------------------------------------
649 dnl ### program checking section ends here ###
650 dnl --------------------------------------------------
652 dnl --------------------------------------------------
653 dnl * Platform header file and syscall feature tests
654 dnl ### checking the state of the local header files and syscalls ###
656 dnl ** check for full ANSI header (.h) files
659 dnl ** Enable large file support. NB. do this before testing the type of
660 dnl off_t, because it will affect the result of that test.
663 dnl ** check for specific header (.h) files that we are interested in
664 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
666 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
669 dnl ** do we have long longs?
670 AC_CHECK_TYPES([long long])
672 dnl ** what are the sizes of various types
673 AC_CHECK_SIZEOF(char, 1)
674 AC_CHECK_SIZEOF(double, 8)
675 AC_CHECK_SIZEOF(float, 4)
676 AC_CHECK_SIZEOF(int, 4)
677 AC_CHECK_SIZEOF(long, 4)
678 if test "$ac_cv_type_long_long" = yes; then
679 AC_CHECK_SIZEOF(long long, 8)
681 AC_CHECK_SIZEOF(short, 2)
682 AC_CHECK_SIZEOF(unsigned char, 1)
683 AC_CHECK_SIZEOF(unsigned int, 4)
684 AC_CHECK_SIZEOF(unsigned long, 4)
685 if test "$ac_cv_type_long_long" = yes; then
686 AC_CHECK_SIZEOF(unsigned long long, 8)
688 AC_CHECK_SIZEOF(unsigned short, 2)
689 AC_CHECK_SIZEOF(void *, 4)
691 dnl ** what are alignment constraints on various types
692 FP_CHECK_ALIGNMENT(char)
693 FP_CHECK_ALIGNMENT(double)
694 FP_CHECK_ALIGNMENT(float)
695 FP_CHECK_ALIGNMENT(int)
696 FP_CHECK_ALIGNMENT(long)
697 if test "$ac_cv_type_long_long" = yes; then
698 FP_CHECK_ALIGNMENT(long long)
700 FP_CHECK_ALIGNMENT(short)
701 FP_CHECK_ALIGNMENT(unsigned char)
702 FP_CHECK_ALIGNMENT(unsigned int)
703 FP_CHECK_ALIGNMENT(unsigned long)
704 if test "$ac_cv_type_long_long" = yes; then
705 FP_CHECK_ALIGNMENT(unsigned long long)
707 FP_CHECK_ALIGNMENT(unsigned short)
708 FP_CHECK_ALIGNMENT(void *)
710 FP_CHECK_FUNC([WinExec],
711 [@%:@include <windows.h>], [WinExec("",0)])
713 FP_CHECK_FUNC([GetModuleFileName],
714 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
716 dnl ** check return type of signal handlers
717 dnl Foo: assumes we can use prototypes.
718 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
719 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
720 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
721 dnl #include <signal.h>
725 dnl void (*signal (int, void (*)(int)))(int);
728 dnl [ac_cv_type_signal_handler=void_int],
729 dnl [ac_cv_type_signal_handler=int_void])])
730 dnl if test "$ac_cv_type_signal_handler" = void_int; then
731 dnl AC_DEFINE(VOID_INT_SIGNALS)
734 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
736 if test "$ac_cv_type_signal" = void; then
737 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).])
740 dnl ** check for more functions
741 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
742 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
745 #include <sys/types.h>
746 #include <sys/time.h>
748 struct itimerval tval;
749 tval.it_value.tv_sec = 1;
750 tval.it_value.tv_usec = 0;
751 tval.it_interval = tval.it_value;
752 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
754 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
756 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
757 dnl ** _POSIX_C_SOURCE is defined
758 AC_CHECK_DECLS([ctime_r], , ,
759 [#define _POSIX_SOURCE 1
760 #define _POSIX_C_SOURCE 199506L
763 dnl ** check for mingwex library
764 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
765 AC_SUBST(HaveLibMingwEx)
767 if test $HaveLibMingwEx = YES ; then
768 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
771 dnl ** check for math library
772 dnl Keep that check as early as possible.
773 dnl as we need to know whether we need libm
774 dnl for math functions or not
775 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
776 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
777 if test $HaveLibM = YES
779 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
782 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
783 dnl the order of these tests matters: bfd needs liberty
784 AC_CHECK_LIB(iberty, xmalloc)
785 AC_CHECK_LIB(bfd, bfd_init)
787 dnl ################################################################
788 dnl Check for libraries
789 dnl ################################################################
791 dnl ** check whether we need -ldl to get dlopen()
793 AC_CHECK_LIB(dl, dlopen,
795 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
800 dnl --------------------------------------------------
801 dnl * Miscellaneous feature tests
802 dnl --------------------------------------------------
804 dnl ** can we get alloca?
807 dnl ** Working vfork?
810 dnl ** determine whether or not const works
813 dnl ** are we big endian?
815 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
817 dnl ** check for leading underscores in symbol names
818 FP_LEADING_UNDERSCORE
820 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
825 dnl ** check for Apple-style dead-stripping support
826 dnl (.subsections-via-symbols assembler directive)
829 AC_MSG_CHECKING(for .subsections_via_symbols)
831 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
833 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
834 [Define to 1 if Apple-style dead-stripping is supported.])
838 dnl *** check for GNU non-executable stack note support (ELF only)
839 dnl (.section .note.GNU-stack,"",@progbits)
841 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
842 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
843 dnl so we empty CFLAGS while running this test
846 AC_MSG_CHECKING(for GNU non-executable stack support)
848 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
850 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
851 [Define to 1 if GNU non-executable stack notes are supported.])
858 dnl ** check for librt
859 AC_CHECK_LIB(rt, clock_gettime)
860 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
861 FP_CHECK_TIMER_CREATE
863 dnl ** check for Apple's "interesting" long double compatibility scheme
864 AC_MSG_CHECKING(for printf\$LDBLStub)
865 AC_TRY_LINK_FUNC(printf\$LDBLStub,
868 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
869 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
873 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
874 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
877 dnl ** check for eventfd which is needed by the I/O manager
878 AC_CHECK_HEADERS([sys/eventfd.h])
879 AC_CHECK_FUNCS([eventfd])
882 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
883 if test -n "$GTK_CONFIG"; then
884 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
885 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
887 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
891 AC_SUBST([GTK_CONFIG])
894 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
895 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
896 AC_SUBST(HavePapiLib)
897 AC_SUBST(HavePapiHeader)
899 AC_CHECK_FUNCS(__mingw_vfprintf)
901 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
908 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
909 test "$XsltprocCmd" = ""
911 BUILD_DOCBOOK_HTML=NO
913 BUILD_DOCBOOK_HTML=YES
915 AC_SUBST(BUILD_DOCBOOK_HTML)
917 if test "$DblatexCmd" = ""
923 BUILD_DOCBOOK_PDF=YES
925 AC_SUBST(BUILD_DOCBOOK_PS)
926 AC_SUBST(BUILD_DOCBOOK_PDF)
928 LIBRARY_VERSION(base)
929 LIBRARY_VERSION(Cabal)
930 LIBRARY_VERSION(ghc-prim)
931 LIBRARY_ghc_VERSION="$ProjectVersion"
932 AC_SUBST(LIBRARY_ghc_VERSION)
934 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
935 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
938 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 settings docs/users_guide/ug-book.xml docs/users_guide/ug-ent.xml docs/index.html libraries/prologue.txt distrib/ghc.iss distrib/configure.ac])
939 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
943 # http://savannah.gnu.org/bugs/index.php?1516
944 # $(eval ...) inside conditionals causes errors
945 # with make 3.80, so warn the user if it looks like they're about to
947 # We would use "grep -q" here, but Solaris's grep doesn't support it.
949 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
952 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
953 echo "This version cannot be used to build GHC."
954 echo "Please use GNU make >= 3.81."
962 ----------------------------------------------------------------------
963 Configure completed successfully.
965 Building GHC version : $ProjectVersion
967 Build platform : $BuildPlatform
968 Host platform : $HostPlatform
969 Target platform : $TargetPlatform
972 if test "$BootingFromHc" = "YES"; then
974 Bootstrapping from HC files.
978 Bootstrapping using : $WithGhc
979 which is version : $GhcVersion
984 Using GCC : $WhatGccIsCalled
985 which is version : $GccVersion
988 Happy : $HappyCmd ($HappyVersion)
989 Alex : $AlexCmd ($AlexVersion)
992 dblatex : $DblatexCmd
993 xsltproc : $XsltprocCmd"]
995 if test "$HSCOLOUR" = ""; then
997 HsColour was not found; documentation will not contain source links
1001 HsColour : $HSCOLOUR
1006 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
1007 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
1008 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
1010 echo ["----------------------------------------------------------------------
1014 For a standard build of GHC (fully optimised with profiling), type (g)make.
1016 To make changes to the default build configuration, copy the file
1017 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1019 For more information on how to configure your GHC build, see
1020 http://hackage.haskell.org/trac/ghc/wiki/Building