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 "$GHC" = ""; then
88 AC_PATH_PROG([GHC], [ghc])
92 dnl ** Booting from .hc files?
93 dnl --------------------------------------------------------------
94 AC_ARG_ENABLE(hc-boot,
95 [AC_HELP_STRING([--enable-hc-boot],
96 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
97 (This option is mostly of interest to porters.) [default=no]])],
98 [ if test x"$enableval" = x"yes"; then
106 AC_SUBST(BootingFromHc)
108 AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
109 [AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
110 [Allow bootstrapping using a development snapshot of GHC. This is not guaranteed to work.])],
111 EnableBootstrapWithDevelSnaphost=YES,
112 EnableBootstrapWithDevelSnaphost=NO
115 if test "$WithGhc" != ""; then
116 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
118 if test "$GhcMajVersion" = "unknown" -o "$GhcMinVersion" = "unknown"; then
119 AC_MSG_ERROR([Cannot determine the version of $WithGhc. Is it really GHC?])
122 AC_SUBST(GhcVersion)dnl
123 AC_SUBST(GhcMajVersion)dnl
124 AC_SUBST(GhcMinVersion)dnl
125 AC_SUBST(GhcPatchLevel)dnl
126 GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
127 GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
128 FP_COMPARE_VERSIONS($GhcVersion,[-ge],[6.10.2],
129 [ghc_ge_6102=YES], [ghc_ge_6102=NO])
130 if test $GhcCanonVersion -ge 611; then ghc_ge_611=YES; else ghc_ge_611=NO; fi
131 if test $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
132 AC_SUBST(ghc_ge_6102)dnl
133 AC_SUBST(ghc_ge_611)dnl
134 AC_SUBST(ghc_ge_613)dnl
137 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
138 if test "$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],[6.10],
143 [AC_MSG_ERROR([GHC version 6.10 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: ${WithGhc}"
175 dnl ** Without optimization some INLINE trickery fails for GHCi
178 dnl Allow to specify iconv options to the toplevel configure script
179 dnl so they can be properly passed to sub-builds.
180 dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
181 dnl to the empty string to allow them to be overridden from the
184 AC_ARG_WITH([iconv-includes],
185 [AC_HELP_STRING([--with-iconv-includes],
186 [directory containing iconv.h])],
187 [ICONV_INCLUDE_DIRS=$withval])
189 AC_ARG_WITH([iconv-libraries],
190 [AC_HELP_STRING([--with-iconv-libraries],
191 [directory containing iconv library])],
192 [ICONV_LIB_DIRS=$withval])
194 AC_SUBST(ICONV_INCLUDE_DIRS)
195 AC_SUBST(ICONV_LIB_DIRS)
197 dnl Allow to specify gmp options to the toplevel configure script
198 dnl so they can be properly passed to sub-builds.
200 AC_ARG_WITH([gmp-includes],
201 [AC_HELP_STRING([--with-gmp-includes],
202 [directory containing gmp.h])],
203 [GMP_INCLUDE_DIRS=$withval])
205 AC_ARG_WITH([gmp-libraries],
206 [AC_HELP_STRING([--with-gmp-libraries],
207 [directory containing gmp library])],
208 [GMP_LIB_DIRS=$withval])
210 AC_SUBST(GMP_INCLUDE_DIRS)
211 AC_SUBST(GMP_LIB_DIRS)
213 dnl--------------------------------------------------------------------
214 dnl * Choose host(/target/build) platform
215 dnl--------------------------------------------------------------------
216 dnl If we aren't explicitly told what values to use with configure flags,
217 dnl we ask the bootstrapping compiler what platform it is for
219 if test "${WithGhc}" != ""
221 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
222 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
223 if test "$bootstrap_host" != "$bootstrap_target"
225 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
229 # We have to run these unconditionally, but we may discard their
230 # results in the following code
235 # If no argument was given for a configuration variable, then discard
236 # the guessed canonical system and use the configuration of the
237 # bootstrapping ghc. If an argument was given, map it from gnu format
240 # For why we do it this way, see: #3637, #1717, #2951
242 if test "$build_alias" = ""
244 if test "${WithGhc}" != ""
246 build=$bootstrap_target
247 echo "Build platform inferred as: $build"
249 echo "Can't work out build platform"
253 BuildArch=`echo "$build" | sed 's/-.*//'`
254 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
255 BuildOS=`echo "$build" | sed 's/.*-//'`
257 GHC_CONVERT_CPU([$build_cpu], [BuildArch])
258 GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
259 GHC_CONVERT_OS([$build_os], [BuildOS])
262 if test "$host_alias" = ""
264 if test "${WithGhc}" != ""
266 host=$bootstrap_target
267 echo "Host platform inferred as: $host"
269 echo "Can't work out host platform"
273 HostArch=`echo "$host" | sed 's/-.*//'`
274 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
275 HostOS=`echo "$host" | sed 's/.*-//'`
277 GHC_CONVERT_CPU([$host_cpu], [HostArch])
278 GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
279 GHC_CONVERT_OS([$host_os], [HostOS])
282 if test "$target_alias" = ""
284 if test "${WithGhc}" != ""
286 target=$bootstrap_target
287 echo "Target platform inferred as: $target"
289 echo "Can't work out target platform"
293 TargetArch=`echo "$target" | sed 's/-.*//'`
294 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
295 TargetOS=`echo "$target" | sed 's/.*-//'`
297 GHC_CONVERT_CPU([$target_cpu], [TargetArch])
298 GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
299 GHC_CONVERT_OS([$target_os], [TargetOS])
306 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
307 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
314 i386-apple-darwin|powerpc-apple-darwin)
324 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
327 echo "Unknown arch $1"
335 dec|unknown|hp|apple|next|sun|sgi|ibm)
338 echo "Unknown vendor $1"
346 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
349 echo "Unknown OS '$1'"
355 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
356 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
357 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
358 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
359 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
361 checkArch "$BuildArch"
362 checkVendor "$BuildVendor"
365 HostPlatform="$HostArch-$HostVendor-$HostOS"
366 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
367 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
368 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
369 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
371 checkArch "$HostArch"
372 checkVendor "$HostVendor"
375 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
376 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
377 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
378 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
379 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
381 checkArch "$TargetArch"
382 checkVendor "$TargetVendor"
385 AC_SUBST(BuildPlatform)
386 AC_SUBST(HostPlatform)
387 AC_SUBST(TargetPlatform)
388 AC_SUBST(HostPlatform_CPP)
389 AC_SUBST(BuildPlatform_CPP)
390 AC_SUBST(TargetPlatform_CPP)
392 AC_SUBST(HostArch_CPP)
393 AC_SUBST(BuildArch_CPP)
394 AC_SUBST(TargetArch_CPP)
397 AC_SUBST(BuildOS_CPP)
398 AC_SUBST(TargetOS_CPP)
400 AC_SUBST(HostVendor_CPP)
401 AC_SUBST(BuildVendor_CPP)
402 AC_SUBST(TargetVendor_CPP)
408 [AC_HELP_STRING([--with-hc=ARG],
409 [Use ARG as the path to the compiler for compiling ordinary
410 Haskell code (default= value of --with-ghc)])],
416 AC_PATH_PROGS(NHC,nhc nhc98)
417 AC_PATH_PROG(HBC,hbc)
419 # This uses GHC, so put it after the "GHC is required" check above:
422 if test "$HostOS" = "mingw32"
424 CC="$hardtop/inplace/mingw/bin/gcc.exe"
425 LD="$hardtop/inplace/mingw/bin/ld.exe"
426 NM="$hardtop/inplace/mingw/bin/nm.exe"
427 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
428 if ! test -d inplace/mingw ||
429 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
430 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
431 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
432 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
433 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
434 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
435 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
436 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
437 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
439 AC_MSG_NOTICE([Making in-tree mingw tree])
441 test -d inplace || mkdir inplace
445 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
446 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
447 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
448 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
449 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
450 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
451 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
452 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
453 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
454 mv bin/gcc.exe bin/realgcc.exe
456 PATH=`pwd`/inplace/mingw/bin:$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
457 if ! test -e inplace/mingw/bin/gcc.exe
459 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
461 AC_MSG_NOTICE([In-tree mingw tree created])
463 if ! test -d inplace/perl ||
464 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
466 AC_MSG_NOTICE([Making in-tree perl tree])
472 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
474 AC_MSG_NOTICE([In-tree perl tree created])
478 dnl ** Which gcc to use?
479 dnl --------------------------------------------------------------
480 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
482 WhatGccIsCalled="$CC"
483 AC_SUBST(WhatGccIsCalled)
485 dnl ** Which ld to use?
486 dnl --------------------------------------------------------------
487 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
491 dnl ** Which nm to use?
492 dnl --------------------------------------------------------------
493 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
497 dnl ** Mac OS X: explicit deployment target
498 dnl --------------------------------------------------------------
499 AC_ARG_WITH([macosx-deployment-target],
500 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
501 [Build for Mac OS VERSION and higher (default= version of build host)])],
502 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
503 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
504 # ignore everywhere, but on Mac OS
505 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
506 FP_MACOSX_DEPLOYMENT_TARGET=none
508 [FP_MACOSX_DEPLOYMENT_TARGET=none]
510 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
511 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
512 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
514 dnl --------------------------------------------------------------
515 dnl End of configure script option section
516 dnl --------------------------------------------------------------
519 dnl --------------------------------------------------------------
520 dnl * General configuration checks
521 dnl --------------------------------------------------------------
523 dnl ** Can the unix package be built?
524 dnl --------------------------------------------------------------
526 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
531 AC_SUBST([GhcLibsWithUnix])
536 dnl ** look for `perl', but only in /bin on Windows
539 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
540 if test -z "$PerlCmd"; then
541 echo "You must install the version of Perl shipped with GHC"
542 echo "(or a compatible one) in /bin."
547 AC_PATH_PROG(PerlCmd,perl)
548 if test -z "$PerlCmd"; then
549 echo "You must install perl before you can continue"
550 echo "Perhaps it is already installed, but not in your PATH?"
553 FPTOOLS_CHECK_PERL_VERSION
558 dnl ** does #! path/to/perl work? (sometimes it's too long...)
561 dnl ** check for Python
562 AC_PATH_PROG(PythonCmd,python)
564 dnl ** look for GCC and find out which version
565 dnl Figure out which C compiler to use. Gcc is preferred.
566 dnl If gcc, make sure it's at least 2.1
570 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS])
571 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_LD_OPTS_STAGE0])
572 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_LD_OPTS_STAGE1])
573 # Stage 3 won't be supported by cross-compilation
574 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_LD_OPTS_STAGE2])
578 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
581 AC_SUBST(CONF_CC_OPTS_STAGE0)
582 AC_SUBST(CONF_CC_OPTS_STAGE1)
583 AC_SUBST(CONF_CC_OPTS_STAGE2)
584 AC_SUBST(CONF_LD_OPTS_STAGE0)
585 AC_SUBST(CONF_LD_OPTS_STAGE1)
586 AC_SUBST(CONF_LD_OPTS_STAGE2)
588 dnl ** figure out how to do context diffs
591 dnl Let's make sure install-sh is executable here. If we got it from
592 dnl a darcs repo, it might not be (see bug #978).
594 dnl ** figure out how to do a BSD-ish install
597 dnl If you can run configure, you certainly have /bin/sh
598 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
600 dnl ** how to invoke `ar' and `ranlib'
601 FP_PROG_AR_SUPPORTS_ATFILE
602 FP_PROG_AR_NEEDS_RANLIB
603 FP_PROG_AR_SUPPORTS_INPUT
605 dnl ** Check to see whether ln -s works
609 dnl ** Find the path to sed
610 AC_PATH_PROGS(SedCmd,gsed sed,sed)
613 dnl ** check for time command
614 AC_PATH_PROG(TimeCmd,time)
617 dnl if GNU tar is named gtar, look for it first.
618 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
620 dnl ** check for patch
621 dnl if GNU patch is named gpatch, look for it first
622 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
624 dnl ** check for dtrace (currently only implemented for Mac OS X)
626 AC_PATH_PROG(DtraceCmd,dtrace)
627 if test -n "$DtraceCmd"; then
628 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
634 AC_PATH_PROG(HSCOLOUR,HsColour)
635 # HsColour is passed to Cabal, so we need a native path
636 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
637 test "${OSTYPE}" != "msys" && \
638 test "${HSCOLOUR}" != ""
640 # Canonicalise to <drive>:/path/to/gcc
641 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
644 dnl ** check for DocBook toolchain
651 dnl ** check for ghc-pkg command
654 dnl ** check for installed happy binary + version
655 dnl (don't do it if we're booting from .hc files though.)
656 if test "$BootingFromHc" = "NO"; then
660 dnl ** check for installed alex binary + version
661 dnl (don't do it if we're booting from .hc files though.)
662 if test "$BootingFromHc" = "NO"; then
666 dnl --------------------------------------------------
667 dnl ### program checking section ends here ###
668 dnl --------------------------------------------------
670 dnl --------------------------------------------------
671 dnl * Platform header file and syscall feature tests
672 dnl ### checking the state of the local header files and syscalls ###
674 dnl ** check for full ANSI header (.h) files
677 dnl ** Enable large file support. NB. do this before testing the type of
678 dnl off_t, because it will affect the result of that test.
681 dnl ** check for specific header (.h) files that we are interested in
682 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
684 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
687 dnl ** do we have long longs?
688 AC_CHECK_TYPES([long long])
690 dnl ** what are the sizes of various types
691 AC_CHECK_SIZEOF(char, 1)
692 AC_CHECK_SIZEOF(double, 8)
693 AC_CHECK_SIZEOF(float, 4)
694 AC_CHECK_SIZEOF(int, 4)
695 AC_CHECK_SIZEOF(long, 4)
696 if test "$ac_cv_type_long_long" = yes; then
697 AC_CHECK_SIZEOF(long long, 8)
699 AC_CHECK_SIZEOF(short, 2)
700 AC_CHECK_SIZEOF(unsigned char, 1)
701 AC_CHECK_SIZEOF(unsigned int, 4)
702 AC_CHECK_SIZEOF(unsigned long, 4)
703 if test "$ac_cv_type_long_long" = yes; then
704 AC_CHECK_SIZEOF(unsigned long long, 8)
706 AC_CHECK_SIZEOF(unsigned short, 2)
707 AC_CHECK_SIZEOF(void *, 4)
709 dnl ** what are alignment constraints on various types
710 FP_CHECK_ALIGNMENT(char)
711 FP_CHECK_ALIGNMENT(double)
712 FP_CHECK_ALIGNMENT(float)
713 FP_CHECK_ALIGNMENT(int)
714 FP_CHECK_ALIGNMENT(long)
715 if test "$ac_cv_type_long_long" = yes; then
716 FP_CHECK_ALIGNMENT(long long)
718 FP_CHECK_ALIGNMENT(short)
719 FP_CHECK_ALIGNMENT(unsigned char)
720 FP_CHECK_ALIGNMENT(unsigned int)
721 FP_CHECK_ALIGNMENT(unsigned long)
722 if test "$ac_cv_type_long_long" = yes; then
723 FP_CHECK_ALIGNMENT(unsigned long long)
725 FP_CHECK_ALIGNMENT(unsigned short)
726 FP_CHECK_ALIGNMENT(void *)
728 FP_CHECK_FUNC([WinExec],
729 [@%:@include <windows.h>], [WinExec("",0)])
731 FP_CHECK_FUNC([GetModuleFileName],
732 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
734 dnl ** check return type of signal handlers
735 dnl Foo: assumes we can use prototypes.
736 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
737 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
738 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
739 dnl #include <signal.h>
743 dnl void (*signal (int, void (*)(int)))(int);
746 dnl [ac_cv_type_signal_handler=void_int],
747 dnl [ac_cv_type_signal_handler=int_void])])
748 dnl if test "$ac_cv_type_signal_handler" = void_int; then
749 dnl AC_DEFINE(VOID_INT_SIGNALS)
752 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
754 if test "$ac_cv_type_signal" = void; then
755 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).])
758 dnl ** check for more functions
759 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
760 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
763 #include <sys/types.h>
764 #include <sys/time.h>
766 struct itimerval tval;
767 tval.it_value.tv_sec = 1;
768 tval.it_value.tv_usec = 0;
769 tval.it_interval = tval.it_value;
770 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
772 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
774 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
775 dnl ** _POSIX_C_SOURCE is defined
776 AC_CHECK_DECLS([ctime_r], , ,
777 [#define _POSIX_SOURCE 1
778 #define _POSIX_C_SOURCE 199506L
781 dnl ** check for mingwex library
782 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
783 AC_SUBST(HaveLibMingwEx)
785 if test $HaveLibMingwEx = YES ; then
786 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
789 dnl ** check for math library
790 dnl Keep that check as early as possible.
791 dnl as we need to know whether we need libm
792 dnl for math functions or not
793 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
794 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
795 if test $HaveLibM = YES
797 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
800 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
801 dnl the order of these tests matters: bfd needs liberty
802 AC_CHECK_LIB(iberty, xmalloc)
803 AC_CHECK_LIB(bfd, bfd_init)
805 dnl ################################################################
806 dnl Check for libraries
807 dnl ################################################################
809 dnl ** check whether we need -ldl to get dlopen()
811 AC_CHECK_LIB(dl, dlopen,
813 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
818 dnl --------------------------------------------------
819 dnl * Miscellaneous feature tests
820 dnl --------------------------------------------------
822 dnl ** can we get alloca?
825 dnl ** Working vfork?
828 dnl ** determine whether or not const works
831 dnl ** are we big endian?
833 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
835 dnl ** check for leading underscores in symbol names
836 FP_LEADING_UNDERSCORE
838 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
842 dnl ** check for Apple-style dead-stripping support
843 dnl (.subsections-via-symbols assembler directive)
846 AC_MSG_CHECKING(for .subsections_via_symbols)
848 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
850 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
851 [Define to 1 if Apple-style dead-stripping is supported.])
855 dnl *** check for GNU non-executable stack note support (ELF only)
856 dnl (.section .note.GNU-stack,"",@progbits)
858 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
859 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
860 dnl so we empty CFLAGS while running this test
863 AC_MSG_CHECKING(for GNU non-executable stack support)
865 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
867 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
868 [Define to 1 if GNU non-executable stack notes are supported.])
873 dnl ** check for librt
874 AC_CHECK_LIB(rt, clock_gettime)
875 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
876 FP_CHECK_TIMER_CREATE
878 dnl ** check for Apple's "interesting" long double compatibility scheme
879 AC_MSG_CHECKING(for printf\$LDBLStub)
880 AC_TRY_LINK_FUNC(printf\$LDBLStub,
883 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
884 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
888 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
889 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
892 dnl ** check for eventfd which is needed by the I/O manager
893 AC_CHECK_HEADERS([sys/eventfd.h])
894 AC_CHECK_FUNCS([eventfd])
897 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
898 if test -n "$GTK_CONFIG"; then
899 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
900 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
902 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
906 AC_SUBST([GTK_CONFIG])
909 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
910 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
911 AC_SUBST(HavePapiLib)
912 AC_SUBST(HavePapiHeader)
914 AC_CHECK_FUNCS(__mingw_vfprintf)
916 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
923 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
924 test "$XsltprocCmd" = ""
926 BUILD_DOCBOOK_HTML=NO
928 BUILD_DOCBOOK_HTML=YES
930 AC_SUBST(BUILD_DOCBOOK_HTML)
932 if test "$DblatexCmd" = ""
938 BUILD_DOCBOOK_PDF=YES
940 AC_SUBST(BUILD_DOCBOOK_PS)
941 AC_SUBST(BUILD_DOCBOOK_PDF)
943 LIBRARY_VERSION(base)
944 LIBRARY_VERSION(Cabal)
945 LIBRARY_VERSION(ghc-prim)
946 LIBRARY_ghc_VERSION="$ProjectVersion"
947 AC_SUBST(LIBRARY_ghc_VERSION)
949 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
950 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
953 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 distrib/MacOS/installer-scripts/create-links distrib/MacOS/installer-scripts/Uninstaller distrib/MacOS/GHC-system.pmdoc/index.xml])
954 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
958 # http://savannah.gnu.org/bugs/index.php?1516
959 # $(eval ...) inside conditionals causes errors
960 # with make 3.80, so warn the user if it looks like they're about to
962 # We would use "grep -q" here, but Solaris's grep doesn't support it.
964 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
967 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
968 echo "This version cannot be used to build GHC."
969 echo "Please use GNU make >= 3.81."
977 ----------------------------------------------------------------------
978 Configure completed successfully.
980 Building GHC version : $ProjectVersion
982 Build platform : $BuildPlatform
983 Host platform : $HostPlatform
984 Target platform : $TargetPlatform
987 if test "$BootingFromHc" = "YES"; then
989 Bootstrapping from HC files.
993 Bootstrapping using : $WithGhc
994 which is version : $GhcVersion
999 Using GCC : $WhatGccIsCalled
1000 which is version : $GccVersion
1003 Happy : $HappyCmd ($HappyVersion)
1004 Alex : $AlexCmd ($AlexVersion)
1007 dblatex : $DblatexCmd
1008 xsltproc : $XsltprocCmd"]
1010 if test "$HSCOLOUR" = ""; then
1012 HsColour was not found; documentation will not contain source links
1016 HsColour : $HSCOLOUR
1021 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
1022 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
1023 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
1025 echo ["----------------------------------------------------------------------
1029 For a standard build of GHC (fully optimised with profiling), type (g)make.
1031 To make changes to the default build configuration, copy the file
1032 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1034 For more information on how to configure your GHC build, see
1035 http://hackage.haskell.org/trac/ghc/wiki/Building