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], [6.13], [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 'sh 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=$withval])
194 AC_SUBST(ICONV_INCLUDE_DIRS)
195 AC_SUBST(ICONV_LIB_DIRS)
197 dnl--------------------------------------------------------------------
198 dnl * Choose host(/target/build) platform
199 dnl--------------------------------------------------------------------
200 dnl We don't use the standard autoconf macros for this, but instead
201 dnl ask the bootstrapping compiler what platform it is for
203 dnl Guess host/target/build platform(s) if necessary.
204 m4_divert_once([HELP_CANON],
207 --build=BUILD configure for building on BUILD [guessed]
208 --host=HOST cross-compile to build programs to run on HOST [guessed]
209 --target=TARGET configure for building compilers for TARGET [guessed]]])dnl
211 if test "${WithGhc}" != ""
213 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
214 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
215 if test "$bootstrap_host" != "$bootstrap_target"
217 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
221 # We have to run these unconditionally, but we may discard their
222 # results in the following code
227 # If no argument was given for a configuration variable, then discard
228 # the guessed canonical system and use the configuration of the
229 # bootstrapping ghc. If an argument was given, map it from gnu format
232 # For why we do it this way, see: #3637, #1717, #2951
234 if test "$build_alias" = ""
236 if test "${WithGhc}" != ""
238 build=$bootstrap_target
239 echo "Build platform inferred as: $build"
241 echo "Can't work out build platform"
245 BuildArch=`echo "$build" | sed 's/-.*//'`
246 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
247 BuildOS=`echo "$build" | sed 's/.*-//'`
249 GHC_CONVERT_CPU([$build_cpu], [BuildArch])
250 GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
251 GHC_CONVERT_OS([$build_os], [BuildOS])
254 if test "$host_alias" = ""
256 if test "${WithGhc}" != ""
258 host=$bootstrap_target
259 echo "Host platform inferred as: $host"
261 echo "Can't work out host platform"
265 HostArch=`echo "$host" | sed 's/-.*//'`
266 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
267 HostOS=`echo "$host" | sed 's/.*-//'`
269 GHC_CONVERT_CPU([$host_cpu], [HostArch])
270 GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
271 GHC_CONVERT_OS([$host_os], [HostOS])
274 if test "$target_alias" = ""
276 if test "${WithGhc}" != ""
278 target=$bootstrap_target
279 echo "Target platform inferred as: $target"
281 echo "Can't work out target platform"
285 TargetArch=`echo "$target" | sed 's/-.*//'`
286 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
287 TargetOS=`echo "$target" | sed 's/.*-//'`
289 GHC_CONVERT_CPU([$target_cpu], [TargetArch])
290 GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
291 GHC_CONVERT_OS([$target_os], [TargetOS])
298 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
299 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
306 i386-apple-darwin|powerpc-apple-darwin)
308 CFLAGS="$CFLAGS -m32"
309 LDFLAGS="$LDFLAGS -m32"
310 CONF_CC_OPTS="$CONF_CC_OPTS -m32"
311 CONF_LD_OPTS="$CONF_LD_OPTS -m32"
315 CFLAGS="$CFLAGS -m64"
316 LDFLAGS="$LDFLAGS -m64"
317 CONF_CC_OPTS="$CONF_CC_OPTS -m64"
318 CONF_LD_OPTS="$CONF_LD_OPTS -m64"
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 if ! test -d inplace/mingw ||
428 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.gz ||
429 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.gz ||
430 test inplace/mingw -ot ghc-tarballs/mingw/gcc-g++*.tar.gz ||
431 test inplace/mingw -ot ghc-tarballs/mingw/libcrypt*.tar.bz2 ||
432 test inplace/mingw -ot ghc-tarballs/mingw/mingw-runtime*.tar.gz ||
433 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.gz
435 AC_MSG_NOTICE([Making in-tree mingw tree])
441 tar -zxf ../../ghc-tarballs/mingw/binutils*.tar.gz &&
442 tar -zxf ../../ghc-tarballs/mingw/gcc-core*.tar.gz &&
443 tar -zxf ../../ghc-tarballs/mingw/gcc-g++*.tar.gz &&
444 tar -jxf ../../ghc-tarballs/mingw/libcrypt*.tar.bz2 &&
445 tar -zxf ../../ghc-tarballs/mingw/mingw-runtime*.tar.gz &&
446 tar -zxf ../../ghc-tarballs/mingw/w32api*.tar.gz &&
447 mv bin/gcc.exe bin/realgcc.exe
449 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
450 AC_MSG_NOTICE([In-tree mingw tree created])
452 if ! test -d inplace/perl ||
453 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
455 AC_MSG_NOTICE([Making in-tree perl tree])
461 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
463 AC_MSG_NOTICE([In-tree perl tree created])
467 dnl ** Which gcc to use?
468 dnl --------------------------------------------------------------
469 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
471 WhatGccIsCalled="$CC"
472 AC_SUBST(WhatGccIsCalled)
474 dnl ** Which ld to use?
475 dnl --------------------------------------------------------------
476 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
480 dnl ** Which nm to use?
481 dnl --------------------------------------------------------------
482 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
486 dnl ** Mac OS X: explicit deployment target
487 dnl --------------------------------------------------------------
488 AC_ARG_WITH([macosx-deployment-target],
489 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
490 [Build for Mac OS VERSION and higher (default= version of build host)])],
491 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
492 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
493 # ignore everywhere, but on Mac OS
494 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
495 FP_MACOSX_DEPLOYMENT_TARGET=none
497 [FP_MACOSX_DEPLOYMENT_TARGET=none]
499 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
500 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
501 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
503 dnl --------------------------------------------------------------
504 dnl End of configure script option section
505 dnl --------------------------------------------------------------
508 dnl --------------------------------------------------------------
509 dnl * General configuration checks
510 dnl --------------------------------------------------------------
512 dnl ** Can the unix package be built?
513 dnl --------------------------------------------------------------
515 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
520 AC_SUBST([GhcLibsWithUnix])
525 dnl ** look for `perl', but only in /bin on Windows
528 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
529 if test -z "$PerlCmd"; then
530 echo "You must install the version of Perl shipped with GHC"
531 echo "(or a compatible one) in /bin."
536 AC_PATH_PROG(PerlCmd,perl)
537 if test -z "$PerlCmd"; then
538 echo "You must install perl before you can continue"
539 echo "Perhaps it is already installed, but not in your PATH?"
542 FPTOOLS_CHECK_PERL_VERSION
547 dnl ** does #! path/to/perl work? (sometimes it's too long...)
550 dnl ** check for Python
551 AC_PATH_PROG(PythonCmd,python)
553 dnl ** look for GCC and find out which version
554 dnl Figure out which C compiler to use. Gcc is preferred.
555 dnl If gcc, make sure it's at least 2.1
560 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
563 AC_SUBST(CONF_CC_OPTS)
564 AC_SUBST(CONF_LD_OPTS)
566 dnl ** figure out how to do context diffs
569 dnl Let's make sure install-sh is executable here. If we got it from
570 dnl a darcs repo, it might not be (see bug #978).
572 dnl ** figure out how to do a BSD-ish install
575 dnl If you can run configure, you certainly have /bin/sh
576 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
578 dnl ** how to invoke `ar' and `ranlib'
579 FP_PROG_AR_SUPPORTS_ATFILE
580 FP_PROG_AR_NEEDS_RANLIB
581 FP_PROG_AR_SUPPORTS_INPUT
583 dnl ** Check to see whether ln -s works
587 dnl ** Find the path to sed
588 AC_PATH_PROGS(SedCmd,gsed sed,sed)
591 dnl ** check for time command
592 AC_PATH_PROG(TimeCmd,time)
595 dnl if GNU tar is named gtar, look for it first.
596 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
598 dnl ** check for patch
599 dnl if GNU patch is named gpatch, look for it first
600 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
602 dnl ** check for dtrace (currently only implemented for Mac OS X)
604 AC_PATH_PROG(DtraceCmd,dtrace)
605 if test -n "$DtraceCmd"; then
606 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; 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 "$BootingFromHc" = "NO"; then
644 dnl --------------------------------------------------
645 dnl ### program checking section ends here ###
646 dnl --------------------------------------------------
648 dnl --------------------------------------------------
649 dnl * Platform header file and syscall feature tests
650 dnl ### checking the state of the local header files and syscalls ###
652 dnl ** check for full ANSI header (.h) files
655 dnl ** Enable large file support. NB. do this before testing the type of
656 dnl off_t, because it will affect the result of that test.
659 dnl ** check for specific header (.h) files that we are interested in
660 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
662 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
665 dnl ** do we have long longs?
666 AC_CHECK_TYPES([long long])
668 dnl ** what are the sizes of various types
669 AC_CHECK_SIZEOF(char, 1)
670 AC_CHECK_SIZEOF(double, 8)
671 AC_CHECK_SIZEOF(float, 4)
672 AC_CHECK_SIZEOF(int, 4)
673 AC_CHECK_SIZEOF(long, 4)
674 if test "$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_SEARCH_LIBS(atan, m,
773 [AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])])
775 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
776 dnl the order of these tests matters: bfd needs liberty
777 AC_CHECK_LIB(iberty, xmalloc)
778 AC_CHECK_LIB(bfd, bfd_init)
780 dnl ################################################################
781 dnl Check for libraries
782 dnl ################################################################
784 dnl ** check whether we need -ldl to get dlopen()
786 AC_CHECK_LIB(dl, dlopen,
788 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
793 dnl --------------------------------------------------
794 dnl * Miscellaneous feature tests
795 dnl --------------------------------------------------
797 dnl ** can we get alloca?
800 dnl ** Working vfork?
803 dnl ** determine whether or not const works
806 dnl ** are we big endian?
808 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
810 dnl ** check for leading underscores in symbol names
811 FP_LEADING_UNDERSCORE
813 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
817 dnl ** check for Apple-style dead-stripping support
818 dnl (.subsections-via-symbols assembler directive)
821 AC_MSG_CHECKING(for .subsections_via_symbols)
823 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
825 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
826 [Define to 1 if Apple-style dead-stripping is supported.])
830 dnl *** check for GNU non-executable stack note support (ELF only)
831 dnl (.section .note.GNU-stack,"",@progbits)
833 AC_MSG_CHECKING(for GNU non-executable stack support)
835 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
837 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
838 [Define to 1 if GNU non-executable stack notes are supported.])
842 dnl ** check for librt
843 AC_CHECK_LIB(rt, clock_gettime)
844 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
845 FP_CHECK_TIMER_CREATE
847 dnl ** check for Apple's "interesting" long double compatibility scheme
848 AC_MSG_CHECKING(for printf\$LDBLStub)
849 AC_TRY_LINK_FUNC(printf\$LDBLStub,
852 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
853 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
857 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
858 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
862 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
863 if test -n "$GTK_CONFIG"; then
864 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
865 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
867 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
871 AC_SUBST([GTK_CONFIG])
874 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
875 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
876 AC_SUBST(HavePapiLib)
877 AC_SUBST(HavePapiHeader)
879 AC_CHECK_FUNCS(__mingw_vfprintf)
881 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
888 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
889 test "$XsltprocCmd" = ""
891 BUILD_DOCBOOK_HTML=NO
893 BUILD_DOCBOOK_HTML=YES
895 AC_SUBST(BUILD_DOCBOOK_HTML)
897 if test "$DblatexCmd" = ""
903 BUILD_DOCBOOK_PDF=YES
905 AC_SUBST(BUILD_DOCBOOK_PS)
906 AC_SUBST(BUILD_DOCBOOK_PDF)
908 LIBRARY_VERSION(base)
909 LIBRARY_VERSION(Cabal)
910 LIBRARY_VERSION(ghc-prim)
911 LIBRARY_ghc_VERSION="$ProjectVersion"
912 AC_SUBST(LIBRARY_ghc_VERSION)
914 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
915 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
918 AC_CONFIG_FILES([mk/config.mk mk/install.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.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])
919 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
923 # http://savannah.gnu.org/bugs/index.php?1516
924 # $(eval ...) inside conditionals causes errors
925 # with make 3.80, so warn the user if it looks like they're about to
927 # We would use "grep -q" here, but Solaris's grep doesn't support it.
929 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
932 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
933 echo "This version cannot be used to build GHC."
934 echo "Please use GNU make >= 3.81."
942 ----------------------------------------------------------------------
943 Configure completed successfully.
945 Building GHC version : $ProjectVersion
947 Build platform : $BuildPlatform
948 Host platform : $HostPlatform
949 Target platform : $TargetPlatform
952 if test "$BootingFromHc" = "YES"; then
954 Bootstrapping from HC files.
958 Bootstrapping using : $WithGhc
959 which is version : $GhcVersion
964 Using GCC : $WhatGccIsCalled
965 which is version : $GccVersion
968 Happy : $HappyCmd ($HappyVersion)
969 Alex : $AlexCmd ($AlexVersion)
972 dblatex : $DblatexCmd
973 xsltproc : $XsltprocCmd"]
975 if test "$HSCOLOUR" = ""; then
977 HsColour was not found; documentation will not contain source links
986 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
987 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
988 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
990 echo ["----------------------------------------------------------------------
994 For a standard build of GHC (fully optimised with profiling), type (g)make.
996 To make changes to the default build configuration, copy the file
997 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
999 For more information on how to configure your GHC build, see
1000 http://hackage.haskell.org/trac/ghc/wiki/Building