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 # Testing if we shall enable shared libs support on Solaris.
226 # Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.
228 SOLARIS_BROKEN_SHLD=NO
232 # here we go with the test
233 MINOR=`uname -r|cut -d '.' -f 2-`
234 if test "$MINOR" -lt "11"; then
235 SOLARIS_BROKEN_SHLD=YES
240 # Sync this with cTargetArch in compiler/ghc.mk
243 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
246 echo "Unknown arch $1"
254 dec|unknown|hp|apple|next|sun|sgi|ibm)
257 echo "Unknown vendor $1"
265 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
268 echo "Unknown OS '$1'"
274 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
275 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
276 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
277 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
278 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
280 checkArch "$BuildArch"
281 checkVendor "$BuildVendor"
284 HostPlatform="$HostArch-$HostVendor-$HostOS"
285 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
286 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
287 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
288 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
290 checkArch "$HostArch"
291 checkVendor "$HostVendor"
294 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
295 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
296 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
297 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
298 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
300 checkArch "$TargetArch"
301 checkVendor "$TargetVendor"
304 # Verify that the installed (bootstrap) GHC is capable of generating
305 # code for the requested build platform.
306 if test "$BuildPlatform" != "$bootstrap_target"
308 echo "This GHC (${WithGhc}) does not generate code for the build platform"
309 echo " GHC target platform : $bootstrap_target"
310 echo " Desired build platform : $BuildPlatform"
314 echo "GHC build : $BuildPlatform"
315 echo "GHC host : $HostPlatform"
316 echo "GHC target : $TargetPlatform"
318 AC_SUBST(BuildPlatform)
319 AC_SUBST(HostPlatform)
320 AC_SUBST(TargetPlatform)
321 AC_SUBST(HostPlatform_CPP)
322 AC_SUBST(BuildPlatform_CPP)
323 AC_SUBST(TargetPlatform_CPP)
325 AC_SUBST(HostArch_CPP)
326 AC_SUBST(BuildArch_CPP)
327 AC_SUBST(TargetArch_CPP)
330 AC_SUBST(BuildOS_CPP)
331 AC_SUBST(TargetOS_CPP)
333 AC_SUBST(HostVendor_CPP)
334 AC_SUBST(BuildVendor_CPP)
335 AC_SUBST(TargetVendor_CPP)
340 AC_SUBST(SOLARIS_BROKEN_SHLD)
343 [AC_HELP_STRING([--with-hc=ARG],
344 [Use ARG as the path to the compiler for compiling ordinary
345 Haskell code (default= value of --with-ghc)])],
351 # This uses GHC, so put it after the "GHC is required" check above:
355 if test "$HostOS" = "mingw32"
357 test -d inplace || mkdir inplace
359 CC="$hardtop/inplace/mingw/bin/gcc.exe"
360 LD="$hardtop/inplace/mingw/bin/ld.exe"
361 NM="$hardtop/inplace/mingw/bin/nm.exe"
362 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
364 # NB. If you update the tarbballs to a new version of gcc, don't
365 # forget to tweak the paths in driver/gcc/gcc.c.
366 if ! test -d inplace/mingw ||
367 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
368 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
369 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
370 test inplace/mingw -ot ghc-tarballs/mingw/libgcc*.tar.gz ||
371 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
372 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
373 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
374 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
375 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
376 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
377 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
379 AC_MSG_NOTICE([Making in-tree mingw tree])
384 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
385 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
386 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
387 tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma &&
388 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
389 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
390 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
391 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
392 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
393 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
394 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
395 mv bin/gcc.exe bin/realgcc.exe
397 PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
398 if ! test -e inplace/mingw/bin/gcc.exe
400 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
402 AC_MSG_NOTICE([In-tree mingw tree created])
404 if ! test -d inplace/perl ||
405 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
407 AC_MSG_NOTICE([Making in-tree perl tree])
413 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
415 AC_MSG_NOTICE([In-tree perl tree created])
419 dnl ** Which gcc to use?
420 dnl --------------------------------------------------------------
421 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
423 WhatGccIsCalled="$CC"
424 AC_SUBST(WhatGccIsCalled)
426 dnl ** Which ld to use?
427 dnl --------------------------------------------------------------
428 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
432 dnl ** Which nm to use?
433 dnl --------------------------------------------------------------
434 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
439 if test "$TargetOS_CPP" = "darwin"
441 AC_MSG_CHECKING(XCode version)
442 XCodeVersion=`xcodebuild -version | grep Xcode | sed "s/Xcode //"`
443 # Old XCode versions don't actually give the XCode version
444 if test "$XCodeVersion" = ""
446 AC_MSG_RESULT(not found (too old?))
449 AC_MSG_RESULT($XCodeVersion)
450 XCodeVersion1=`echo "$XCodeVersion" | sed 's/\..*//'`
452 XCodeVersion2=`echo "$XCodeVersion" | sed 's/[^.]*\.\([^.]*\).*/\1/'`
454 AC_MSG_NOTICE(XCode version component 1: $XCodeVersion1)
455 AC_MSG_NOTICE(XCode version component 2: $XCodeVersion2)
456 # Split objects is broken (#4013) with XCode < 3.2
457 if test "$XCodeVersion1" -lt 3
461 if test "$XCodeVersion1" -eq 3
463 if test "$XCodeVersion2" -lt 2
471 AC_SUBST([SplitObjsBroken])
473 dnl ** Mac OS X: explicit deployment target
474 dnl --------------------------------------------------------------
475 AC_ARG_WITH([macosx-deployment-target],
476 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
477 [Build for Mac OS VERSION and higher (default= version of build host)])],
478 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
479 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
480 # ignore everywhere, but on Mac OS
481 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
482 FP_MACOSX_DEPLOYMENT_TARGET=none
484 [FP_MACOSX_DEPLOYMENT_TARGET=none]
486 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
487 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
488 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
490 dnl --------------------------------------------------------------
491 dnl End of configure script option section
492 dnl --------------------------------------------------------------
495 dnl --------------------------------------------------------------
496 dnl * General configuration checks
497 dnl --------------------------------------------------------------
499 dnl ** Can the unix package be built?
500 dnl --------------------------------------------------------------
502 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
507 AC_SUBST([GhcLibsWithUnix])
512 dnl ** look for `perl'
515 PerlCmd=$hardtop/inplace/perl/perl
518 AC_PATH_PROG(PerlCmd,perl)
519 if test -z "$PerlCmd"
521 echo "You must install perl before you can continue"
522 echo "Perhaps it is already installed, but not in your PATH?"
525 FPTOOLS_CHECK_PERL_VERSION
530 dnl ** does #! path/to/perl work? (sometimes it's too long...)
533 dnl ** check for Python
534 AC_PATH_PROG(PythonCmd,python)
536 dnl ** look for GCC and find out which version
537 dnl Figure out which C compiler to use. Gcc is preferred.
538 dnl If gcc, make sure it's at least 2.1
542 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
543 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
544 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
545 # Stage 3 won't be supported by cross-compilation
546 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
550 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
553 AC_SUBST(CONF_CC_OPTS_STAGE0)
554 AC_SUBST(CONF_CC_OPTS_STAGE1)
555 AC_SUBST(CONF_CC_OPTS_STAGE2)
556 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
557 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
558 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
559 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
560 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
561 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
562 AC_SUBST(CONF_CPP_OPTS_STAGE0)
563 AC_SUBST(CONF_CPP_OPTS_STAGE1)
564 AC_SUBST(CONF_CPP_OPTS_STAGE2)
566 dnl ** figure out how to do context diffs
569 dnl Let's make sure install-sh is executable here. If we got it from
570 dnl a darcs repo, it might not be (see bug #978).
572 dnl ** figure out how to do a BSD-ish install
575 dnl If you can run configure, you certainly have /bin/sh
576 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
578 dnl ** how to invoke `ar' and `ranlib'
579 FP_PROG_AR_SUPPORTS_ATFILE
580 FP_PROG_AR_NEEDS_RANLIB
581 FP_PROG_AR_SUPPORTS_INPUT
583 dnl ** Check to see whether ln -s works
587 dnl ** Find the path to sed
588 AC_PATH_PROGS(SedCmd,gsed sed,sed)
591 dnl ** check for time command
592 AC_PATH_PROG(TimeCmd,time)
595 dnl if GNU tar is named gtar, look for it first.
596 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
598 dnl ** check for patch
599 dnl if GNU patch is named gpatch, look for it first
600 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
602 dnl ** check for dtrace (currently only implemented for Mac OS X)
604 AC_PATH_PROG(DtraceCmd,dtrace)
605 if test -n "$DtraceCmd"; then
606 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" == "xsolaris2-unknown"; then
612 AC_PATH_PROG(HSCOLOUR,HsColour)
613 # HsColour is passed to Cabal, so we need a native path
614 if test "x$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 "$BootingFromHc" = "NO"; then
644 dnl --------------------------------------------------
645 dnl ### program checking section ends here ###
646 dnl --------------------------------------------------
648 dnl --------------------------------------------------
649 dnl * Platform header file and syscall feature tests
650 dnl ### checking the state of the local header files and syscalls ###
652 dnl ** check for full ANSI header (.h) files
655 dnl ** Enable large file support. NB. do this before testing the type of
656 dnl off_t, because it will affect the result of that test.
659 dnl ** check for specific header (.h) files that we are interested in
660 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
662 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
665 dnl ** do we have long longs?
666 AC_CHECK_TYPES([long long])
668 dnl ** what are the sizes of various types
669 AC_CHECK_SIZEOF(char, 1)
670 AC_CHECK_SIZEOF(double, 8)
671 AC_CHECK_SIZEOF(float, 4)
672 AC_CHECK_SIZEOF(int, 4)
673 AC_CHECK_SIZEOF(long, 4)
674 if test "$ac_cv_type_long_long" = yes; then
675 AC_CHECK_SIZEOF(long long, 8)
677 AC_CHECK_SIZEOF(short, 2)
678 AC_CHECK_SIZEOF(unsigned char, 1)
679 AC_CHECK_SIZEOF(unsigned int, 4)
680 AC_CHECK_SIZEOF(unsigned long, 4)
681 if test "$ac_cv_type_long_long" = yes; then
682 AC_CHECK_SIZEOF(unsigned long long, 8)
684 AC_CHECK_SIZEOF(unsigned short, 2)
685 AC_CHECK_SIZEOF(void *, 4)
687 dnl ** what are alignment constraints on various types
688 FP_CHECK_ALIGNMENT(char)
689 FP_CHECK_ALIGNMENT(double)
690 FP_CHECK_ALIGNMENT(float)
691 FP_CHECK_ALIGNMENT(int)
692 FP_CHECK_ALIGNMENT(long)
693 if test "$ac_cv_type_long_long" = yes; then
694 FP_CHECK_ALIGNMENT(long long)
696 FP_CHECK_ALIGNMENT(short)
697 FP_CHECK_ALIGNMENT(unsigned char)
698 FP_CHECK_ALIGNMENT(unsigned int)
699 FP_CHECK_ALIGNMENT(unsigned long)
700 if test "$ac_cv_type_long_long" = yes; then
701 FP_CHECK_ALIGNMENT(unsigned long long)
703 FP_CHECK_ALIGNMENT(unsigned short)
704 FP_CHECK_ALIGNMENT(void *)
706 FP_CHECK_FUNC([WinExec],
707 [@%:@include <windows.h>], [WinExec("",0)])
709 FP_CHECK_FUNC([GetModuleFileName],
710 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
712 dnl ** check return type of signal handlers
713 dnl Foo: assumes we can use prototypes.
714 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
715 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
716 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
717 dnl #include <signal.h>
721 dnl void (*signal (int, void (*)(int)))(int);
724 dnl [ac_cv_type_signal_handler=void_int],
725 dnl [ac_cv_type_signal_handler=int_void])])
726 dnl if test "$ac_cv_type_signal_handler" = void_int; then
727 dnl AC_DEFINE(VOID_INT_SIGNALS)
730 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
732 if test "$ac_cv_type_signal" = void; then
733 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).])
736 dnl ** check for more functions
737 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
738 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
741 #include <sys/types.h>
742 #include <sys/time.h>
744 struct itimerval tval;
745 tval.it_value.tv_sec = 1;
746 tval.it_value.tv_usec = 0;
747 tval.it_interval = tval.it_value;
748 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
750 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
752 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
753 dnl ** _POSIX_C_SOURCE is defined
754 AC_CHECK_DECLS([ctime_r], , ,
755 [#define _POSIX_SOURCE 1
756 #define _POSIX_C_SOURCE 199506L
759 dnl ** check for mingwex library
760 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
761 AC_SUBST(HaveLibMingwEx)
763 if test $HaveLibMingwEx = YES ; then
764 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
767 dnl ** check for math library
768 dnl Keep that check as early as possible.
769 dnl as we need to know whether we need libm
770 dnl for math functions or not
771 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
772 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
773 if test $HaveLibM = YES
775 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
778 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
779 dnl the order of these tests matters: bfd needs liberty
780 AC_CHECK_LIB(iberty, xmalloc)
781 AC_CHECK_LIB(bfd, bfd_init)
783 dnl ################################################################
784 dnl Check for libraries
785 dnl ################################################################
787 dnl ** check whether we need -ldl to get dlopen()
789 AC_CHECK_LIB(dl, dlopen,
791 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
796 dnl --------------------------------------------------
797 dnl * Miscellaneous feature tests
798 dnl --------------------------------------------------
800 dnl ** can we get alloca?
803 dnl ** Working vfork?
806 dnl ** determine whether or not const works
809 dnl ** are we big endian?
811 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
813 dnl ** check for leading underscores in symbol names
814 FP_LEADING_UNDERSCORE
816 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
821 dnl ** check for Apple-style dead-stripping support
822 dnl (.subsections-via-symbols assembler directive)
825 AC_MSG_CHECKING(for .subsections_via_symbols)
827 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
829 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
830 [Define to 1 if Apple-style dead-stripping is supported.])
834 dnl *** check for GNU non-executable stack note support (ELF only)
835 dnl (.section .note.GNU-stack,"",@progbits)
837 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
838 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
839 dnl so we empty CFLAGS while running this test
842 AC_MSG_CHECKING(for GNU non-executable stack support)
844 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
846 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
847 [Define to 1 if GNU non-executable stack notes are supported.])
854 dnl ** check for librt
855 AC_CHECK_LIB(rt, clock_gettime)
856 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
857 FP_CHECK_TIMER_CREATE
859 dnl ** check for Apple's "interesting" long double compatibility scheme
860 AC_MSG_CHECKING(for printf\$LDBLStub)
861 AC_TRY_LINK_FUNC(printf\$LDBLStub,
864 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
865 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
869 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
870 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
873 dnl ** check for eventfd which is needed by the I/O manager
874 AC_CHECK_HEADERS([sys/eventfd.h])
875 AC_CHECK_FUNCS([eventfd])
878 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
879 if test -n "$GTK_CONFIG"; then
880 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
881 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
883 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
887 AC_SUBST([GTK_CONFIG])
890 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
891 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
892 AC_SUBST(HavePapiLib)
893 AC_SUBST(HavePapiHeader)
895 AC_CHECK_FUNCS(__mingw_vfprintf)
897 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
904 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
905 test "$XsltprocCmd" = ""
907 BUILD_DOCBOOK_HTML=NO
909 BUILD_DOCBOOK_HTML=YES
911 AC_SUBST(BUILD_DOCBOOK_HTML)
913 if test "$DblatexCmd" = ""
919 BUILD_DOCBOOK_PDF=YES
921 AC_SUBST(BUILD_DOCBOOK_PS)
922 AC_SUBST(BUILD_DOCBOOK_PDF)
924 LIBRARY_VERSION(base)
925 LIBRARY_VERSION(Cabal)
926 LIBRARY_VERSION(ghc-prim)
927 LIBRARY_ghc_VERSION="$ProjectVersion"
928 AC_SUBST(LIBRARY_ghc_VERSION)
930 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
931 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
934 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])
935 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
939 # http://savannah.gnu.org/bugs/index.php?1516
940 # $(eval ...) inside conditionals causes errors
941 # with make 3.80, so warn the user if it looks like they're about to
943 # We would use "grep -q" here, but Solaris's grep doesn't support it.
945 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
948 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
949 echo "This version cannot be used to build GHC."
950 echo "Please use GNU make >= 3.81."
958 ----------------------------------------------------------------------
959 Configure completed successfully.
961 Building GHC version : $ProjectVersion
963 Build platform : $BuildPlatform
964 Host platform : $HostPlatform
965 Target platform : $TargetPlatform
968 if test "$BootingFromHc" = "YES"; then
970 Bootstrapping from HC files.
974 Bootstrapping using : $WithGhc
975 which is version : $GhcVersion
980 Using GCC : $WhatGccIsCalled
981 which is version : $GccVersion
984 Happy : $HappyCmd ($HappyVersion)
985 Alex : $AlexCmd ($AlexVersion)
988 dblatex : $DblatexCmd
989 xsltproc : $XsltprocCmd"]
991 if test "$HSCOLOUR" = ""; then
993 HsColour was not found; documentation will not contain source links
1002 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
1003 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
1004 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
1006 echo ["----------------------------------------------------------------------
1010 For a standard build of GHC (fully optimised with profiling), type (g)make.
1012 To make changes to the default build configuration, copy the file
1013 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1015 For more information on how to configure your GHC build, see
1016 http://hackage.haskell.org/trac/ghc/wiki/Building