1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/ +/g;'"
3 dnl (or some such) to see the outline of this file)
6 # (c) The University of Glasgow 1994-2004
8 # Configure script template for GHC
10 # Process with 'autoreconf' to get a working configure script.
12 # For the generated configure script, do "./configure --help" to
13 # see what flags are available. (Better yet, read the documentation!)
16 AC_INIT([The Glorious Glasgow Haskell Compilation System], [7.1], [glasgow-haskell-bugs@haskell.org], [ghc])
18 # Set this to YES for a released version, otherwise NO
21 # The primary version (e.g. 6.7, 6.6.1) is set in the AC_INIT line
22 # above. If this is not a released version, then we will append the
23 # date to the version number (e.g. 6.7.20070204). The date is
24 # constructed by finding the date of the most recent patch in the
25 # darcs repository. If this is a source distribution (not a darcs
26 # checkout), then we ship a file 'VERSION' containing the full version
27 # when the source distribution was created.
29 if test ! -f mk/config.h.in; then
30 echo "mk/config.h.in doesn't exist: perhaps you haven't run 'perl boot'?"
34 AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])
36 dnl ----------------------------------------------------------
37 dnl ** Find unixy sort and find commands,
38 dnl ** which are needed by FP_SETUP_PROJECT_VERSION
40 dnl ** Find find command (for Win32's benefit)
43 dnl ** Find sort command (for the benefit of Win32 environs)
46 dnl ----------------------------------------------------------
47 FP_SETUP_PROJECT_VERSION
49 # Hmmm, we fix the RPM release number to 1 here... Is this convenient?
50 AC_SUBST([release], [1])
52 # First off, a distrib sanity check..
53 AC_CONFIG_SRCDIR([mk/config.mk.in])
55 dnl * We require autoconf version 2.52
56 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
57 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
60 # -------------------------------------------------------------------------
61 # Prepare to generate the following header files
64 AC_CONFIG_HEADER(mk/config.h)
66 # No, semi-sadly, we don't do `--srcdir'...
67 if test x"$srcdir" != 'x.' ; then
68 echo "This configuration does not support the \`--srcdir' option.."
72 dnl --------------------------------------------------------------
73 dnl * Project specific configuration options
74 dnl --------------------------------------------------------------
75 dnl What follows is a bunch of options that can either be configured
76 dnl through command line options to the configure script or by
77 dnl supplying defns in the build tree's mk/build.mk. Having the option to
78 dnl use either is considered a Feature.
80 dnl ** What command to use to compile compiler sources ?
81 dnl --------------------------------------------------------------
84 [AC_HELP_STRING([--with-ghc=ARG],
85 [Use ARG as the path to GHC [default=autodetect]])],
87 [if test "$GHC" = ""; then
88 AC_PATH_PROG([GHC], [ghc])
93 dnl ** Tell the make system which OS we are using
94 dnl $OSTYPE is set by the operating system to "msys" or "cygwin" or something
97 dnl ** Booting from .hc files?
98 dnl --------------------------------------------------------------
99 AC_ARG_ENABLE(hc-boot,
100 [AC_HELP_STRING([--enable-hc-boot],
101 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
102 (This option is mostly of interest to porters.) [default=no]])],
103 [ if test x"$enableval" = x"yes"; then
111 AC_SUBST(BootingFromHc)
113 AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
114 [AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
115 [Allow bootstrapping using a development snapshot of GHC. This is not guaranteed to work.])],
116 EnableBootstrapWithDevelSnaphost=YES,
117 EnableBootstrapWithDevelSnaphost=NO
120 if test "$WithGhc" != ""; then
121 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
123 if test "$GhcMajVersion" = "unknown" -o "$GhcMinVersion" = "unknown"; then
124 AC_MSG_ERROR([Cannot determine the version of $WithGhc. Is it really GHC?])
127 AC_SUBST(GhcVersion)dnl
128 AC_SUBST(GhcMajVersion)dnl
129 AC_SUBST(GhcMinVersion)dnl
130 AC_SUBST(GhcPatchLevel)dnl
131 GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
132 GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
133 if test $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
134 AC_SUBST(ghc_ge_613)dnl
137 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
138 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
139 if test "$WithGhc" = ""; then
140 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
142 FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.12],
143 [AC_MSG_ERROR([GHC version 6.12 or later is required to compile GHC.])])dnl
145 if test `expr $GhcMinVersion % 2` = "1"; then
146 if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
148 $WithGhc is a development snapshot of GHC, version $GhcVersion.
149 Bootstrapping using this version of GHC is not supported, and may not
150 work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
151 or --with-ghc to specify a different GHC to use.])
156 # GHC is passed to Cabal, so we need a native path
157 if test "${WithGhc}" != ""
159 ghc_host=`"${WithGhc}" +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
161 if test "$ghc_host" = "i386-unknown-mingw32"
163 if test "${OSTYPE}" = "msys"
165 WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
167 # Canonicalise to <drive>:/path/to/ghc
168 WithGhc=`cygpath -m "${WithGhc}"`
170 echo "GHC path canonicalised to: ${WithGhc}"
175 dnl ** Without optimization some INLINE trickery fails for GHCi
181 dnl--------------------------------------------------------------------
182 dnl * Choose host(/target/build) platform
183 dnl--------------------------------------------------------------------
184 dnl If we aren't explicitly told what values to use with configure flags,
185 dnl we ask the bootstrapping compiler what platform it is for
187 if test "${WithGhc}" != ""
189 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
190 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
191 if test "$bootstrap_host" != "$bootstrap_target"
193 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
197 # We have to run these unconditionally, but we may discard their
198 # results in the following code
203 # If no argument was given for a configuration variable, then discard
204 # the guessed canonical system and use the configuration of the
205 # bootstrapping ghc. If an argument was given, map it from gnu format
208 # For why we do it this way, see: #3637, #1717, #2951
210 if test "$build_alias" = ""
212 if test "${WithGhc}" != ""
214 build=$bootstrap_target
215 echo "Build platform inferred as: $build"
217 echo "Can't work out build platform"
221 BuildArch=`echo "$build" | sed 's/-.*//'`
222 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
223 BuildOS=`echo "$build" | sed 's/.*-//'`
225 GHC_CONVERT_CPU([$build_cpu], [BuildArch])
226 GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
227 GHC_CONVERT_OS([$build_os], [BuildOS])
230 if test "$host_alias" = ""
232 if test "${WithGhc}" != ""
234 host=$bootstrap_target
235 echo "Host platform inferred as: $host"
237 echo "Can't work out host platform"
241 HostArch=`echo "$host" | sed 's/-.*//'`
242 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
243 HostOS=`echo "$host" | sed 's/.*-//'`
245 GHC_CONVERT_CPU([$host_cpu], [HostArch])
246 GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
247 GHC_CONVERT_OS([$host_os], [HostOS])
250 if test "$target_alias" = ""
252 if test "${WithGhc}" != ""
254 target=$bootstrap_target
255 echo "Target platform inferred as: $target"
257 echo "Can't work out target platform"
261 TargetArch=`echo "$target" | sed 's/-.*//'`
262 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
263 TargetOS=`echo "$target" | sed 's/.*-//'`
265 GHC_CONVERT_CPU([$target_cpu], [TargetArch])
266 GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
267 GHC_CONVERT_OS([$target_os], [TargetOS])
274 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
275 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
282 i386-apple-darwin|powerpc-apple-darwin)
290 # Sync this with cTargetArch in compiler/ghc.mk
293 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
296 echo "Unknown arch $1"
304 dec|unknown|hp|apple|next|sun|sgi|ibm)
307 echo "Unknown vendor $1"
315 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
318 echo "Unknown OS '$1'"
324 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
325 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
326 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
327 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
328 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
330 checkArch "$BuildArch"
331 checkVendor "$BuildVendor"
334 HostPlatform="$HostArch-$HostVendor-$HostOS"
335 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
336 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
337 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
338 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
340 checkArch "$HostArch"
341 checkVendor "$HostVendor"
344 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
345 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
346 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
347 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
348 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
350 checkArch "$TargetArch"
351 checkVendor "$TargetVendor"
354 # Verify that the installed (bootstrap) GHC is capable of generating
355 # code for the requested build platform.
356 if test "$build" != "$bootstrap_target"
358 echo "This GHC (${WithGhc}) does not generate code for the build platform"
359 echo " GHC target platform : $bootstrap_target"
360 echo " Desired build platform : $BuildPlatform"
364 AC_SUBST(BuildPlatform)
365 AC_SUBST(HostPlatform)
366 AC_SUBST(TargetPlatform)
367 AC_SUBST(HostPlatform_CPP)
368 AC_SUBST(BuildPlatform_CPP)
369 AC_SUBST(TargetPlatform_CPP)
371 AC_SUBST(HostArch_CPP)
372 AC_SUBST(BuildArch_CPP)
373 AC_SUBST(TargetArch_CPP)
376 AC_SUBST(BuildOS_CPP)
377 AC_SUBST(TargetOS_CPP)
379 AC_SUBST(HostVendor_CPP)
380 AC_SUBST(BuildVendor_CPP)
381 AC_SUBST(TargetVendor_CPP)
387 [AC_HELP_STRING([--with-hc=ARG],
388 [Use ARG as the path to the compiler for compiling ordinary
389 Haskell code (default= value of --with-ghc)])],
395 # This uses GHC, so put it after the "GHC is required" check above:
399 if test "$HostOS" = "mingw32"
401 test -d inplace || mkdir inplace
403 CC="$hardtop/inplace/mingw/bin/gcc.exe"
404 LD="$hardtop/inplace/mingw/bin/ld.exe"
405 NM="$hardtop/inplace/mingw/bin/nm.exe"
406 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
408 # NB. If you update the tarbballs to a new version of gcc, don't
409 # forget to tweak the paths in driver/gcc/gcc.c.
410 if ! test -d inplace/mingw ||
411 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
412 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
413 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
414 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
415 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
416 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
417 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
418 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
419 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
420 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
422 AC_MSG_NOTICE([Making in-tree mingw tree])
427 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
428 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
429 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
430 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
431 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
432 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
433 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
434 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
435 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
436 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
437 mv bin/gcc.exe bin/realgcc.exe
439 PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
440 if ! test -e inplace/mingw/bin/gcc.exe
442 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
444 AC_MSG_NOTICE([In-tree mingw tree created])
446 if ! test -d inplace/perl ||
447 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
449 AC_MSG_NOTICE([Making in-tree perl tree])
455 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
457 AC_MSG_NOTICE([In-tree perl tree created])
461 dnl ** Which gcc to use?
462 dnl --------------------------------------------------------------
463 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
465 WhatGccIsCalled="$CC"
466 AC_SUBST(WhatGccIsCalled)
468 dnl ** Which ld to use?
469 dnl --------------------------------------------------------------
470 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
474 dnl ** Which nm to use?
475 dnl --------------------------------------------------------------
476 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
480 dnl ** Mac OS X: explicit deployment target
481 dnl --------------------------------------------------------------
482 AC_ARG_WITH([macosx-deployment-target],
483 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
484 [Build for Mac OS VERSION and higher (default= version of build host)])],
485 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
486 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
487 # ignore everywhere, but on Mac OS
488 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
489 FP_MACOSX_DEPLOYMENT_TARGET=none
491 [FP_MACOSX_DEPLOYMENT_TARGET=none]
493 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
494 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
495 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
497 dnl --------------------------------------------------------------
498 dnl End of configure script option section
499 dnl --------------------------------------------------------------
502 dnl --------------------------------------------------------------
503 dnl * General configuration checks
504 dnl --------------------------------------------------------------
506 dnl ** Can the unix package be built?
507 dnl --------------------------------------------------------------
509 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
514 AC_SUBST([GhcLibsWithUnix])
519 dnl ** look for `perl'
522 PerlCmd=$hardtop/inplace/perl/perl
525 AC_PATH_PROG(PerlCmd,perl)
526 if test -z "$PerlCmd"
528 echo "You must install perl before you can continue"
529 echo "Perhaps it is already installed, but not in your PATH?"
532 FPTOOLS_CHECK_PERL_VERSION
537 dnl ** does #! path/to/perl work? (sometimes it's too long...)
540 dnl ** check for Python
541 AC_PATH_PROG(PythonCmd,python)
543 dnl ** look for GCC and find out which version
544 dnl Figure out which C compiler to use. Gcc is preferred.
545 dnl If gcc, make sure it's at least 2.1
549 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[CPPFLAGS])
550 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_LD_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
551 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_LD_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
552 # Stage 3 won't be supported by cross-compilation
553 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_LD_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
557 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
560 AC_SUBST(CONF_CC_OPTS_STAGE0)
561 AC_SUBST(CONF_CC_OPTS_STAGE1)
562 AC_SUBST(CONF_CC_OPTS_STAGE2)
563 AC_SUBST(CONF_LD_OPTS_STAGE0)
564 AC_SUBST(CONF_LD_OPTS_STAGE1)
565 AC_SUBST(CONF_LD_OPTS_STAGE2)
566 AC_SUBST(CONF_CPP_OPTS_STAGE0)
567 AC_SUBST(CONF_CPP_OPTS_STAGE1)
568 AC_SUBST(CONF_CPP_OPTS_STAGE2)
570 dnl ** figure out how to do context diffs
573 dnl Let's make sure install-sh is executable here. If we got it from
574 dnl a darcs repo, it might not be (see bug #978).
576 dnl ** figure out how to do a BSD-ish install
579 dnl If you can run configure, you certainly have /bin/sh
580 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
582 dnl ** how to invoke `ar' and `ranlib'
583 FP_PROG_AR_SUPPORTS_ATFILE
584 FP_PROG_AR_NEEDS_RANLIB
585 FP_PROG_AR_SUPPORTS_INPUT
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-$TargetVendor_CPP" == "xdarwin-apple"; then
616 AC_PATH_PROG(HSCOLOUR,HsColour)
617 # HsColour is passed to Cabal, so we need a native path
618 if test "x$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
824 dnl ** check for Apple-style dead-stripping support
825 dnl (.subsections-via-symbols assembler directive)
828 AC_MSG_CHECKING(for .subsections_via_symbols)
830 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
832 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
833 [Define to 1 if Apple-style dead-stripping is supported.])
837 dnl *** check for GNU non-executable stack note support (ELF only)
838 dnl (.section .note.GNU-stack,"",@progbits)
840 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
841 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
842 dnl so we empty CFLAGS while running this test
845 AC_MSG_CHECKING(for GNU non-executable stack support)
847 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
849 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
850 [Define to 1 if GNU non-executable stack notes are supported.])
857 dnl ** check for librt
858 AC_CHECK_LIB(rt, clock_gettime)
859 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
860 FP_CHECK_TIMER_CREATE
862 dnl ** check for Apple's "interesting" long double compatibility scheme
863 AC_MSG_CHECKING(for printf\$LDBLStub)
864 AC_TRY_LINK_FUNC(printf\$LDBLStub,
867 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
868 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
872 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
873 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
876 dnl ** check for eventfd which is needed by the I/O manager
877 AC_CHECK_HEADERS([sys/eventfd.h])
878 AC_CHECK_FUNCS([eventfd])
881 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
882 if test -n "$GTK_CONFIG"; then
883 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
884 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
886 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
890 AC_SUBST([GTK_CONFIG])
893 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
894 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
895 AC_SUBST(HavePapiLib)
896 AC_SUBST(HavePapiHeader)
898 AC_CHECK_FUNCS(__mingw_vfprintf)
900 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
907 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
908 test "$XsltprocCmd" = ""
910 BUILD_DOCBOOK_HTML=NO
912 BUILD_DOCBOOK_HTML=YES
914 AC_SUBST(BUILD_DOCBOOK_HTML)
916 if test "$DblatexCmd" = ""
922 BUILD_DOCBOOK_PDF=YES
924 AC_SUBST(BUILD_DOCBOOK_PS)
925 AC_SUBST(BUILD_DOCBOOK_PDF)
927 LIBRARY_VERSION(base)
928 LIBRARY_VERSION(Cabal)
929 LIBRARY_VERSION(ghc-prim)
930 LIBRARY_ghc_VERSION="$ProjectVersion"
931 AC_SUBST(LIBRARY_ghc_VERSION)
933 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
934 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
937 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])
938 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
942 # http://savannah.gnu.org/bugs/index.php?1516
943 # $(eval ...) inside conditionals causes errors
944 # with make 3.80, so warn the user if it looks like they're about to
946 # We would use "grep -q" here, but Solaris's grep doesn't support it.
948 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
951 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
952 echo "This version cannot be used to build GHC."
953 echo "Please use GNU make >= 3.81."
961 ----------------------------------------------------------------------
962 Configure completed successfully.
964 Building GHC version : $ProjectVersion
966 Build platform : $BuildPlatform
967 Host platform : $HostPlatform
968 Target platform : $TargetPlatform
971 if test "$BootingFromHc" = "YES"; then
973 Bootstrapping from HC files.
977 Bootstrapping using : $WithGhc
978 which is version : $GhcVersion
983 Using GCC : $WhatGccIsCalled
984 which is version : $GccVersion
987 Happy : $HappyCmd ($HappyVersion)
988 Alex : $AlexCmd ($AlexVersion)
991 dblatex : $DblatexCmd
992 xsltproc : $XsltprocCmd"]
994 if test "$HSCOLOUR" = ""; then
996 HsColour was not found; documentation will not contain source links
1000 HsColour : $HSCOLOUR
1005 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
1006 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
1007 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
1009 echo ["----------------------------------------------------------------------
1013 For a standard build of GHC (fully optimised with profiling), type (g)make.
1015 To make changes to the default build configuration, copy the file
1016 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1018 For more information on how to configure your GHC build, see
1019 http://hackage.haskell.org/trac/ghc/wiki/Building