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)'])
139 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
140 if test "$BootingFromHc" = "NO"; then
141 if test "$WithGhc" = ""; then
142 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
144 FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.12],
145 [AC_MSG_ERROR([GHC version 6.12 or later is required to compile GHC.])])dnl
147 if test `expr $GhcMinVersion % 2` = "1"; then
148 if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
150 $WithGhc is a development snapshot of GHC, version $GhcVersion.
151 Bootstrapping using this version of GHC is not supported, and may not
152 work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
153 or --with-ghc to specify a different GHC to use.])
158 # GHC is passed to Cabal, so we need a native path
159 if test "${WithGhc}" != ""
161 ghc_host=`"${WithGhc}" +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
163 if test "$ghc_host" = "i386-unknown-mingw32"
165 if test "${OSTYPE}" = "msys"
167 WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
169 # Canonicalise to <drive>:/path/to/ghc
170 WithGhc=`cygpath -m "${WithGhc}"`
172 echo "GHC path canonicalised to: ${WithGhc}"
177 dnl ** Without optimization some INLINE trickery fails for GHCi
183 dnl--------------------------------------------------------------------
184 dnl * Choose host(/target/build) platform
185 dnl--------------------------------------------------------------------
186 dnl If we aren't explicitly told what values to use with configure flags,
187 dnl we ask the bootstrapping compiler what platform it is for
189 if test "${WithGhc}" != ""
191 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
192 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
193 if test "$bootstrap_host" != "$bootstrap_target"
195 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
199 # We have to run these unconditionally, but we may discard their
200 # results in the following code
205 FPTOOLS_SET_PLATFORM_VARS
211 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
212 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
219 i386-apple-darwin|powerpc-apple-darwin)
227 # Testing if we shall enable shared libs support on Solaris.
228 # Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.
230 SOLARIS_BROKEN_SHLD=NO
234 # here we go with the test
235 MINOR=`uname -r|cut -d '.' -f 2-`
236 if test "$MINOR" -lt "11"; then
237 SOLARIS_BROKEN_SHLD=YES
242 # Sync this with cTargetArch in compiler/ghc.mk
245 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
248 echo "Unknown arch $1"
256 dec|unknown|hp|apple|next|sun|sgi|ibm)
259 echo "Unknown vendor $1"
267 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
270 echo "Unknown OS '$1'"
276 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
277 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
278 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
279 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
280 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
282 checkArch "$BuildArch"
283 checkVendor "$BuildVendor"
286 HostPlatform="$HostArch-$HostVendor-$HostOS"
287 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
288 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
289 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
290 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
292 checkArch "$HostArch"
293 checkVendor "$HostVendor"
296 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
297 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
298 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
299 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
300 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
302 checkArch "$TargetArch"
303 checkVendor "$TargetVendor"
306 # Verify that the installed (bootstrap) GHC is capable of generating
307 # code for the requested build platform.
308 if test "$BootingFromHc" = "NO"
310 if test "$BuildPlatform" != "$bootstrap_target"
312 echo "This GHC (${WithGhc}) does not generate code for the build platform"
313 echo " GHC target platform : $bootstrap_target"
314 echo " Desired build platform : $BuildPlatform"
319 echo "GHC build : $BuildPlatform"
320 echo "GHC host : $HostPlatform"
321 echo "GHC target : $TargetPlatform"
323 AC_SUBST(BuildPlatform)
324 AC_SUBST(HostPlatform)
325 AC_SUBST(TargetPlatform)
326 AC_SUBST(HostPlatform_CPP)
327 AC_SUBST(BuildPlatform_CPP)
328 AC_SUBST(TargetPlatform_CPP)
330 AC_SUBST(HostArch_CPP)
331 AC_SUBST(BuildArch_CPP)
332 AC_SUBST(TargetArch_CPP)
335 AC_SUBST(BuildOS_CPP)
336 AC_SUBST(TargetOS_CPP)
338 AC_SUBST(HostVendor_CPP)
339 AC_SUBST(BuildVendor_CPP)
340 AC_SUBST(TargetVendor_CPP)
345 AC_SUBST(SOLARIS_BROKEN_SHLD)
348 [AC_HELP_STRING([--with-hc=ARG],
349 [Use ARG as the path to the compiler for compiling ordinary
350 Haskell code (default= value of --with-ghc)])],
356 # This uses GHC, so put it after the "GHC is required" check above:
360 if test "$HostOS" = "mingw32"
362 test -d inplace || mkdir inplace
364 CC="$hardtop/inplace/mingw/bin/gcc.exe"
365 LD="$hardtop/inplace/mingw/bin/ld.exe"
366 NM="$hardtop/inplace/mingw/bin/nm.exe"
367 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
369 # NB. If you update the tarbballs to a new version of gcc, don't
370 # forget to tweak the paths in driver/gcc/gcc.c.
371 if ! test -d inplace/mingw ||
372 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
373 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
374 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
375 test inplace/mingw -ot ghc-tarballs/mingw/libgcc*.tar.gz ||
376 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
377 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
378 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
379 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
380 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
381 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
382 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
384 AC_MSG_NOTICE([Making in-tree mingw tree])
389 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
390 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
391 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
392 tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma &&
393 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
394 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
395 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
396 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
397 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
398 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
399 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
400 mv bin/gcc.exe bin/realgcc.exe
402 PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
403 if ! test -e inplace/mingw/bin/gcc.exe
405 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
407 AC_MSG_NOTICE([In-tree mingw tree created])
409 if ! test -d inplace/perl ||
410 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
412 AC_MSG_NOTICE([Making in-tree perl tree])
418 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
420 AC_MSG_NOTICE([In-tree perl tree created])
424 dnl ** Which gcc to use?
425 dnl --------------------------------------------------------------
426 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
428 WhatGccIsCalled="$CC"
429 AC_SUBST(WhatGccIsCalled)
431 dnl ** Which ld to use?
432 dnl --------------------------------------------------------------
433 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
437 dnl ** Which nm to use?
438 dnl --------------------------------------------------------------
439 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
444 if test "$TargetOS_CPP" = "darwin"
446 AC_MSG_CHECKING(XCode version)
447 XCodeVersion=`xcodebuild -version | grep Xcode | sed "s/Xcode //"`
448 # Old XCode versions don't actually give the XCode version
449 if test "$XCodeVersion" = ""
451 AC_MSG_RESULT(not found (too old?))
454 AC_MSG_RESULT($XCodeVersion)
455 XCodeVersion1=`echo "$XCodeVersion" | sed 's/\..*//'`
457 XCodeVersion2=`echo "$XCodeVersion" | sed 's/[^.]*\.\([^.]*\).*/\1/'`
459 AC_MSG_NOTICE(XCode version component 1: $XCodeVersion1)
460 AC_MSG_NOTICE(XCode version component 2: $XCodeVersion2)
461 # Split objects is broken (#4013) with XCode < 3.2
462 if test "$XCodeVersion1" -lt 3
466 if test "$XCodeVersion1" -eq 3
468 if test "$XCodeVersion2" -lt 2
476 AC_SUBST([SplitObjsBroken])
478 dnl ** Mac OS X: explicit deployment target
479 dnl --------------------------------------------------------------
480 AC_ARG_WITH([macosx-deployment-target],
481 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
482 [Build for Mac OS VERSION and higher (default= version of build host)])],
483 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
484 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
485 # ignore everywhere, but on Mac OS
486 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
487 FP_MACOSX_DEPLOYMENT_TARGET=none
489 [FP_MACOSX_DEPLOYMENT_TARGET=none]
491 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
492 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
493 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
495 dnl --------------------------------------------------------------
496 dnl End of configure script option section
497 dnl --------------------------------------------------------------
500 dnl --------------------------------------------------------------
501 dnl * General configuration checks
502 dnl --------------------------------------------------------------
504 dnl ** Can the unix package be built?
505 dnl --------------------------------------------------------------
507 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
512 AC_SUBST([GhcLibsWithUnix])
517 dnl ** look for `perl'
520 PerlCmd=$hardtop/inplace/perl/perl
523 AC_PATH_PROG(PerlCmd,perl)
524 if test -z "$PerlCmd"
526 echo "You must install perl before you can continue"
527 echo "Perhaps it is already installed, but not in your PATH?"
530 FPTOOLS_CHECK_PERL_VERSION
535 dnl ** does #! path/to/perl work? (sometimes it's too long...)
538 dnl ** check for Python
539 AC_PATH_PROG(PythonCmd,python)
541 dnl ** look for GCC and find out which version
542 dnl Figure out which C compiler to use. Gcc is preferred.
543 dnl If gcc, make sure it's at least 2.1
547 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
548 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
549 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
550 # Stage 3 won't be supported by cross-compilation
551 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
555 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
558 AC_SUBST(CONF_CC_OPTS_STAGE0)
559 AC_SUBST(CONF_CC_OPTS_STAGE1)
560 AC_SUBST(CONF_CC_OPTS_STAGE2)
561 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
562 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
563 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
564 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
565 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
566 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
567 AC_SUBST(CONF_CPP_OPTS_STAGE0)
568 AC_SUBST(CONF_CPP_OPTS_STAGE1)
569 AC_SUBST(CONF_CPP_OPTS_STAGE2)
571 dnl ** figure out how to do context diffs
574 dnl Let's make sure install-sh is executable here. If we got it from
575 dnl a darcs repo, it might not be (see bug #978).
577 dnl ** figure out how to do a BSD-ish install
580 dnl If you can run configure, you certainly have /bin/sh
581 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
583 dnl ** how to invoke `ar' and `ranlib'
584 FP_PROG_AR_SUPPORTS_ATFILE
585 FP_PROG_AR_NEEDS_RANLIB
587 dnl ** Check to see whether ln -s works
591 dnl ** Find the path to sed
592 AC_PATH_PROGS(SedCmd,gsed sed,sed)
595 dnl ** check for time command
596 AC_PATH_PROG(TimeCmd,time)
599 dnl if GNU tar is named gtar, look for it first.
600 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
602 dnl ** check for patch
603 dnl if GNU patch is named gpatch, look for it first
604 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
606 dnl ** check for dtrace (currently only implemented for Mac OS X)
608 AC_PATH_PROG(DtraceCmd,dtrace)
609 if test -n "$DtraceCmd"; then
610 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" == "xsolaris2-unknown"; then
616 AC_PATH_PROG(HSCOLOUR,HsColour)
617 # HsColour is passed to Cabal, so we need a native path
618 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
619 test "${OSTYPE}" != "msys" && \
620 test "${HSCOLOUR}" != ""
622 # Canonicalise to <drive>:/path/to/gcc
623 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
626 dnl ** check for DocBook toolchain
633 dnl ** check for ghc-pkg command
636 dnl ** check for installed happy binary + version
637 dnl (don't do it if we're booting from .hc files though.)
638 if test "$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