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
245 # Sync this with cTargetArch in compiler/ghc.mk
248 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
251 echo "Unknown arch $1"
259 dec|unknown|hp|apple|next|sun|sgi|ibm)
262 echo "Unknown vendor $1"
270 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
273 echo "Unknown OS '$1'"
279 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
280 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
281 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
282 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
283 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
285 checkArch "$BuildArch"
286 checkVendor "$BuildVendor"
289 HostPlatform="$HostArch-$HostVendor-$HostOS"
290 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
291 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
292 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
293 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
295 checkArch "$HostArch"
296 checkVendor "$HostVendor"
299 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
300 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
301 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
302 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
303 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
305 checkArch "$TargetArch"
306 checkVendor "$TargetVendor"
309 # Verify that the installed (bootstrap) GHC is capable of generating
310 # code for the requested build platform.
311 if test "$BootingFromHc" = "NO"
313 if test "$BuildPlatform" != "$bootstrap_target"
315 echo "This GHC (${WithGhc}) does not generate code for the build platform"
316 echo " GHC target platform : $bootstrap_target"
317 echo " Desired build platform : $BuildPlatform"
322 echo "GHC build : $BuildPlatform"
323 echo "GHC host : $HostPlatform"
324 echo "GHC target : $TargetPlatform"
326 AC_SUBST(BuildPlatform)
327 AC_SUBST(HostPlatform)
328 AC_SUBST(TargetPlatform)
329 AC_SUBST(HostPlatform_CPP)
330 AC_SUBST(BuildPlatform_CPP)
331 AC_SUBST(TargetPlatform_CPP)
333 AC_SUBST(HostArch_CPP)
334 AC_SUBST(BuildArch_CPP)
335 AC_SUBST(TargetArch_CPP)
338 AC_SUBST(BuildOS_CPP)
339 AC_SUBST(TargetOS_CPP)
341 AC_SUBST(HostVendor_CPP)
342 AC_SUBST(BuildVendor_CPP)
343 AC_SUBST(TargetVendor_CPP)
348 AC_SUBST(SOLARIS_BROKEN_SHLD)
351 [AC_HELP_STRING([--with-hc=ARG],
352 [Use ARG as the path to the compiler for compiling ordinary
353 Haskell code (default= value of --with-ghc)])],
359 # This uses GHC, so put it after the "GHC is required" check above:
363 if test "$HostOS" = "mingw32"
365 test -d inplace || mkdir inplace
367 CC="$hardtop/inplace/mingw/bin/gcc.exe"
368 LD="$hardtop/inplace/mingw/bin/ld.exe"
369 NM="$hardtop/inplace/mingw/bin/nm.exe"
370 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
372 # NB. If you update the tarbballs to a new version of gcc, don't
373 # forget to tweak the paths in driver/gcc/gcc.c.
374 if ! test -d inplace/mingw ||
375 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
376 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
377 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
378 test inplace/mingw -ot ghc-tarballs/mingw/libgcc*.tar.gz ||
379 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
380 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
381 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
382 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
383 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
384 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
385 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
387 AC_MSG_NOTICE([Making in-tree mingw tree])
392 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
393 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
394 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
395 tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma &&
396 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
397 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
398 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
399 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
400 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
401 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
402 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
403 mv bin/gcc.exe bin/realgcc.exe
405 PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
406 if ! test -e inplace/mingw/bin/gcc.exe
408 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
410 AC_MSG_NOTICE([In-tree mingw tree created])
412 if ! test -d inplace/perl ||
413 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
415 AC_MSG_NOTICE([Making in-tree perl tree])
421 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
423 AC_MSG_NOTICE([In-tree perl tree created])
427 dnl ** Which gcc to use?
428 dnl --------------------------------------------------------------
429 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
431 WhatGccIsCalled="$CC"
432 AC_SUBST(WhatGccIsCalled)
434 dnl ** Which ld to use?
435 dnl --------------------------------------------------------------
436 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
440 dnl ** Which nm to use?
441 dnl --------------------------------------------------------------
442 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
447 if test "$TargetOS_CPP" = "darwin"
449 AC_MSG_CHECKING(XCode version)
450 XCodeVersion=`xcodebuild -version | grep Xcode | sed "s/Xcode //"`
451 # Old XCode versions don't actually give the XCode version
452 if test "$XCodeVersion" = ""
454 AC_MSG_RESULT(not found (too old?))
457 AC_MSG_RESULT($XCodeVersion)
458 XCodeVersion1=`echo "$XCodeVersion" | sed 's/\..*//'`
460 XCodeVersion2=`echo "$XCodeVersion" | sed 's/[^.]*\.\([^.]*\).*/\1/'`
462 AC_MSG_NOTICE(XCode version component 1: $XCodeVersion1)
463 AC_MSG_NOTICE(XCode version component 2: $XCodeVersion2)
464 # Split objects is broken (#4013) with XCode < 3.2
465 if test "$XCodeVersion1" -lt 3
469 if test "$XCodeVersion1" -eq 3
471 if test "$XCodeVersion2" -lt 2
479 AC_SUBST([SplitObjsBroken])
481 dnl ** Mac OS X: explicit deployment target
482 dnl --------------------------------------------------------------
483 AC_ARG_WITH([macosx-deployment-target],
484 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
485 [Build for Mac OS VERSION and higher (default= version of build host)])],
486 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
487 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
488 # ignore everywhere, but on Mac OS
489 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
490 FP_MACOSX_DEPLOYMENT_TARGET=none
492 [FP_MACOSX_DEPLOYMENT_TARGET=none]
494 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
495 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
496 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
498 dnl --------------------------------------------------------------
499 dnl End of configure script option section
500 dnl --------------------------------------------------------------
503 dnl --------------------------------------------------------------
504 dnl * General configuration checks
505 dnl --------------------------------------------------------------
507 dnl ** Can the unix package be built?
508 dnl --------------------------------------------------------------
510 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
515 AC_SUBST([GhcLibsWithUnix])
520 dnl ** look for `perl'
523 PerlCmd=$hardtop/inplace/perl/perl
526 AC_PATH_PROG(PerlCmd,perl)
527 if test -z "$PerlCmd"
529 echo "You must install perl before you can continue"
530 echo "Perhaps it is already installed, but not in your PATH?"
533 FPTOOLS_CHECK_PERL_VERSION
538 dnl ** does #! path/to/perl work? (sometimes it's too long...)
541 dnl ** check for Python
542 AC_PATH_PROG(PythonCmd,python)
544 dnl ** look for GCC and find out which version
545 dnl Figure out which C compiler to use. Gcc is preferred.
546 dnl If gcc, make sure it's at least 2.1
550 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
551 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
552 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
553 # Stage 3 won't be supported by cross-compilation
554 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
558 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
561 AC_SUBST(CONF_CC_OPTS_STAGE0)
562 AC_SUBST(CONF_CC_OPTS_STAGE1)
563 AC_SUBST(CONF_CC_OPTS_STAGE2)
564 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
565 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
566 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
567 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
568 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
569 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
570 AC_SUBST(CONF_CPP_OPTS_STAGE0)
571 AC_SUBST(CONF_CPP_OPTS_STAGE1)
572 AC_SUBST(CONF_CPP_OPTS_STAGE2)
574 dnl ** figure out how to do context diffs
577 dnl Let's make sure install-sh is executable here. If we got it from
578 dnl a darcs repo, it might not be (see bug #978).
580 dnl ** figure out how to do a BSD-ish install
583 dnl If you can run configure, you certainly have /bin/sh
584 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
586 dnl ** how to invoke `ar' and `ranlib'
587 FP_PROG_AR_SUPPORTS_ATFILE
588 FP_PROG_AR_NEEDS_RANLIB
590 dnl ** Check to see whether ln -s works
594 dnl ** Find the path to sed
595 AC_PATH_PROGS(SedCmd,gsed sed,sed)
598 dnl ** check for time command
599 AC_PATH_PROG(TimeCmd,time)
602 dnl if GNU tar is named gtar, look for it first.
603 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
605 dnl ** check for patch
606 dnl if GNU patch is named gpatch, look for it first
607 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
609 dnl ** check for dtrace (currently only implemented for Mac OS X)
611 AC_PATH_PROG(DtraceCmd,dtrace)
612 if test -n "$DtraceCmd"; then
613 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" == "xsolaris2-unknown"; then
619 AC_PATH_PROG(HSCOLOUR,HsColour)
620 # HsColour is passed to Cabal, so we need a native path
621 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
622 test "${OSTYPE}" != "msys" && \
623 test "${HSCOLOUR}" != ""
625 # Canonicalise to <drive>:/path/to/gcc
626 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
629 dnl ** check for DocBook toolchain
636 dnl ** check for ghc-pkg command
639 dnl ** check for installed happy binary + version
640 dnl (don't do it if we're booting from .hc files though.)
641 if test "$BootingFromHc" = "NO"; then
645 dnl ** check for installed alex binary + version
646 dnl (don't do it if we're booting from .hc files though.)
647 if test "$BootingFromHc" = "NO"; then
651 dnl --------------------------------------------------
652 dnl ### program checking section ends here ###
653 dnl --------------------------------------------------
655 dnl --------------------------------------------------
656 dnl * Platform header file and syscall feature tests
657 dnl ### checking the state of the local header files and syscalls ###
659 dnl ** check for full ANSI header (.h) files
662 dnl ** Enable large file support. NB. do this before testing the type of
663 dnl off_t, because it will affect the result of that test.
666 dnl ** check for specific header (.h) files that we are interested in
667 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
669 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
672 dnl ** do we have long longs?
673 AC_CHECK_TYPES([long long])
675 dnl ** what are the sizes of various types
676 AC_CHECK_SIZEOF(char, 1)
677 AC_CHECK_SIZEOF(double, 8)
678 AC_CHECK_SIZEOF(float, 4)
679 AC_CHECK_SIZEOF(int, 4)
680 AC_CHECK_SIZEOF(long, 4)
681 if test "$ac_cv_type_long_long" = yes; then
682 AC_CHECK_SIZEOF(long long, 8)
684 AC_CHECK_SIZEOF(short, 2)
685 AC_CHECK_SIZEOF(unsigned char, 1)
686 AC_CHECK_SIZEOF(unsigned int, 4)
687 AC_CHECK_SIZEOF(unsigned long, 4)
688 if test "$ac_cv_type_long_long" = yes; then
689 AC_CHECK_SIZEOF(unsigned long long, 8)
691 AC_CHECK_SIZEOF(unsigned short, 2)
692 AC_CHECK_SIZEOF(void *, 4)
694 dnl ** what are alignment constraints on various types
695 FP_CHECK_ALIGNMENT(char)
696 FP_CHECK_ALIGNMENT(double)
697 FP_CHECK_ALIGNMENT(float)
698 FP_CHECK_ALIGNMENT(int)
699 FP_CHECK_ALIGNMENT(long)
700 if test "$ac_cv_type_long_long" = yes; then
701 FP_CHECK_ALIGNMENT(long long)
703 FP_CHECK_ALIGNMENT(short)
704 FP_CHECK_ALIGNMENT(unsigned char)
705 FP_CHECK_ALIGNMENT(unsigned int)
706 FP_CHECK_ALIGNMENT(unsigned long)
707 if test "$ac_cv_type_long_long" = yes; then
708 FP_CHECK_ALIGNMENT(unsigned long long)
710 FP_CHECK_ALIGNMENT(unsigned short)
711 FP_CHECK_ALIGNMENT(void *)
713 FP_CHECK_FUNC([WinExec],
714 [@%:@include <windows.h>], [WinExec("",0)])
716 FP_CHECK_FUNC([GetModuleFileName],
717 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
719 dnl ** check return type of signal handlers
720 dnl Foo: assumes we can use prototypes.
721 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
722 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
723 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
724 dnl #include <signal.h>
728 dnl void (*signal (int, void (*)(int)))(int);
731 dnl [ac_cv_type_signal_handler=void_int],
732 dnl [ac_cv_type_signal_handler=int_void])])
733 dnl if test "$ac_cv_type_signal_handler" = void_int; then
734 dnl AC_DEFINE(VOID_INT_SIGNALS)
737 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
739 if test "$ac_cv_type_signal" = void; then
740 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).])
743 dnl ** check for more functions
744 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
745 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
748 #include <sys/types.h>
749 #include <sys/time.h>
751 struct itimerval tval;
752 tval.it_value.tv_sec = 1;
753 tval.it_value.tv_usec = 0;
754 tval.it_interval = tval.it_value;
755 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
757 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
759 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
760 dnl ** _POSIX_C_SOURCE is defined
761 AC_CHECK_DECLS([ctime_r], , ,
762 [#define _POSIX_SOURCE 1
763 #define _POSIX_C_SOURCE 199506L
766 dnl ** check for mingwex library
767 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
768 AC_SUBST(HaveLibMingwEx)
770 if test $HaveLibMingwEx = YES ; then
771 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
774 dnl ** check for math library
775 dnl Keep that check as early as possible.
776 dnl as we need to know whether we need libm
777 dnl for math functions or not
778 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
779 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
780 if test $HaveLibM = YES
782 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
785 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
786 dnl the order of these tests matters: bfd needs liberty
787 AC_CHECK_LIB(iberty, xmalloc)
788 AC_CHECK_LIB(bfd, bfd_init)
790 dnl ################################################################
791 dnl Check for libraries
792 dnl ################################################################
794 dnl ** check whether we need -ldl to get dlopen()
796 AC_CHECK_LIB(dl, dlopen,
798 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
803 dnl --------------------------------------------------
804 dnl * Miscellaneous feature tests
805 dnl --------------------------------------------------
807 dnl ** can we get alloca?
810 dnl ** Working vfork?
813 dnl ** determine whether or not const works
816 dnl ** are we big endian?
818 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
820 dnl ** check for leading underscores in symbol names
821 FP_LEADING_UNDERSCORE
823 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
828 dnl ** check for Apple-style dead-stripping support
829 dnl (.subsections-via-symbols assembler directive)
832 AC_MSG_CHECKING(for .subsections_via_symbols)
834 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
836 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
837 [Define to 1 if Apple-style dead-stripping is supported.])
841 dnl *** check for GNU non-executable stack note support (ELF only)
842 dnl (.section .note.GNU-stack,"",@progbits)
844 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
845 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
846 dnl so we empty CFLAGS while running this test
849 AC_MSG_CHECKING(for GNU non-executable stack support)
851 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
853 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
854 [Define to 1 if GNU non-executable stack notes are supported.])
861 dnl ** check for librt
862 AC_CHECK_LIB(rt, clock_gettime)
863 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
864 FP_CHECK_TIMER_CREATE
866 dnl ** check for Apple's "interesting" long double compatibility scheme
867 AC_MSG_CHECKING(for printf\$LDBLStub)
868 AC_TRY_LINK_FUNC(printf\$LDBLStub,
871 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
872 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
876 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
877 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
880 dnl ** check for eventfd which is needed by the I/O manager
881 AC_CHECK_HEADERS([sys/eventfd.h])
882 AC_CHECK_FUNCS([eventfd])
885 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
886 if test -n "$GTK_CONFIG"; then
887 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
888 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
890 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
894 AC_SUBST([GTK_CONFIG])
897 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
898 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
899 AC_SUBST(HavePapiLib)
900 AC_SUBST(HavePapiHeader)
902 AC_CHECK_FUNCS(__mingw_vfprintf)
904 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
911 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
912 test "$XsltprocCmd" = ""
914 BUILD_DOCBOOK_HTML=NO
916 BUILD_DOCBOOK_HTML=YES
918 AC_SUBST(BUILD_DOCBOOK_HTML)
920 if test "$DblatexCmd" = ""
926 BUILD_DOCBOOK_PDF=YES
928 AC_SUBST(BUILD_DOCBOOK_PS)
929 AC_SUBST(BUILD_DOCBOOK_PDF)
931 LIBRARY_VERSION(base)
932 LIBRARY_VERSION(Cabal)
933 LIBRARY_VERSION(ghc-prim)
934 LIBRARY_ghc_VERSION="$ProjectVersion"
935 AC_SUBST(LIBRARY_ghc_VERSION)
937 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
938 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
941 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])
942 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
946 # http://savannah.gnu.org/bugs/index.php?1516
947 # $(eval ...) inside conditionals causes errors
948 # with make 3.80, so warn the user if it looks like they're about to
950 # We would use "grep -q" here, but Solaris's grep doesn't support it.
952 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
955 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
956 echo "This version cannot be used to build GHC."
957 echo "Please use GNU make >= 3.81."
965 ----------------------------------------------------------------------
966 Configure completed successfully.
968 Building GHC version : $ProjectVersion
970 Build platform : $BuildPlatform
971 Host platform : $HostPlatform
972 Target platform : $TargetPlatform
975 if test "$BootingFromHc" = "YES"; then
977 Bootstrapping from HC files.
981 Bootstrapping using : $WithGhc
982 which is version : $GhcVersion
987 Using GCC : $WhatGccIsCalled
988 which is version : $GccVersion
991 Happy : $HappyCmd ($HappyVersion)
992 Alex : $AlexCmd ($AlexVersion)
995 dblatex : $DblatexCmd
996 xsltproc : $XsltprocCmd"]
998 if test "$HSCOLOUR" = ""; then
1000 HsColour was not found; documentation will not contain source links
1004 HsColour : $HSCOLOUR
1009 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
1010 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
1011 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
1013 echo ["----------------------------------------------------------------------
1017 For a standard build of GHC (fully optimised with profiling), type (g)make.
1019 To make changes to the default build configuration, copy the file
1020 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1022 For more information on how to configure your GHC build, see
1023 http://hackage.haskell.org/trac/ghc/wiki/Building