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 if test $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
129 AC_SUBST(ghc_ge_613)dnl
132 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
133 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
134 if test "$WithGhc" = ""; then
135 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
137 FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.12],
138 [AC_MSG_ERROR([GHC version 6.12 or later is required to compile GHC.])])dnl
140 if test `expr $GhcMinVersion % 2` = "1"; then
141 if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
143 $WithGhc is a development snapshot of GHC, version $GhcVersion.
144 Bootstrapping using this version of GHC is not supported, and may not
145 work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
146 or --with-ghc to specify a different GHC to use.])
151 # GHC is passed to Cabal, so we need a native path
152 if test "${WithGhc}" != ""
154 ghc_host=`"${WithGhc}" +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
156 if test "$ghc_host" = "i386-unknown-mingw32"
158 if test "${OSTYPE}" = "msys"
160 WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
162 # Canonicalise to <drive>:/path/to/ghc
163 WithGhc=`cygpath -m "${WithGhc}"`
165 echo "GHC path canonicalised to: ${WithGhc}"
170 dnl ** Without optimization some INLINE trickery fails for GHCi
176 dnl--------------------------------------------------------------------
177 dnl * Choose host(/target/build) platform
178 dnl--------------------------------------------------------------------
179 dnl If we aren't explicitly told what values to use with configure flags,
180 dnl we ask the bootstrapping compiler what platform it is for
182 if test "${WithGhc}" != ""
184 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
185 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
186 if test "$bootstrap_host" != "$bootstrap_target"
188 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
192 # We have to run these unconditionally, but we may discard their
193 # results in the following code
198 # If no argument was given for a configuration variable, then discard
199 # the guessed canonical system and use the configuration of the
200 # bootstrapping ghc. If an argument was given, map it from gnu format
203 # For why we do it this way, see: #3637, #1717, #2951
205 if test "$build_alias" = ""
207 if test "${WithGhc}" != ""
209 build=$bootstrap_target
210 echo "Build platform inferred as: $build"
212 echo "Can't work out build platform"
216 BuildArch=`echo "$build" | sed 's/-.*//'`
217 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
218 BuildOS=`echo "$build" | sed 's/.*-//'`
220 GHC_CONVERT_CPU([$build_cpu], [BuildArch])
221 GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
222 GHC_CONVERT_OS([$build_os], [BuildOS])
225 if test "$host_alias" = ""
227 if test "${WithGhc}" != ""
229 host=$bootstrap_target
230 echo "Host platform inferred as: $host"
232 echo "Can't work out host platform"
236 HostArch=`echo "$host" | sed 's/-.*//'`
237 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
238 HostOS=`echo "$host" | sed 's/.*-//'`
240 GHC_CONVERT_CPU([$host_cpu], [HostArch])
241 GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
242 GHC_CONVERT_OS([$host_os], [HostOS])
245 if test "$target_alias" = ""
247 if test "${WithGhc}" != ""
249 target=$bootstrap_target
250 echo "Target platform inferred as: $target"
252 echo "Can't work out target platform"
256 TargetArch=`echo "$target" | sed 's/-.*//'`
257 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
258 TargetOS=`echo "$target" | sed 's/.*-//'`
260 GHC_CONVERT_CPU([$target_cpu], [TargetArch])
261 GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
262 GHC_CONVERT_OS([$target_os], [TargetOS])
269 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
270 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
277 i386-apple-darwin|powerpc-apple-darwin)
285 # Sync this with cTargetArch in compiler/ghc.mk
288 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
291 echo "Unknown arch $1"
299 dec|unknown|hp|apple|next|sun|sgi|ibm)
302 echo "Unknown vendor $1"
310 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
313 echo "Unknown OS '$1'"
319 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
320 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
321 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
322 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
323 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
325 checkArch "$BuildArch"
326 checkVendor "$BuildVendor"
329 HostPlatform="$HostArch-$HostVendor-$HostOS"
330 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
331 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
332 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
333 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
335 checkArch "$HostArch"
336 checkVendor "$HostVendor"
339 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
340 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
341 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
342 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
343 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
345 checkArch "$TargetArch"
346 checkVendor "$TargetVendor"
349 # Verify that the installed (bootstrap) GHC is capable of generating
350 # code for the requested build platform.
351 if test "$build" != "$bootstrap_target"
353 echo "This GHC (${WithGhc}) does not generate code for the build platform"
354 echo " GHC target platform : $bootstrap_target"
355 echo " Desired build platform : $BuildPlatform"
359 AC_SUBST(BuildPlatform)
360 AC_SUBST(HostPlatform)
361 AC_SUBST(TargetPlatform)
362 AC_SUBST(HostPlatform_CPP)
363 AC_SUBST(BuildPlatform_CPP)
364 AC_SUBST(TargetPlatform_CPP)
366 AC_SUBST(HostArch_CPP)
367 AC_SUBST(BuildArch_CPP)
368 AC_SUBST(TargetArch_CPP)
371 AC_SUBST(BuildOS_CPP)
372 AC_SUBST(TargetOS_CPP)
374 AC_SUBST(HostVendor_CPP)
375 AC_SUBST(BuildVendor_CPP)
376 AC_SUBST(TargetVendor_CPP)
382 [AC_HELP_STRING([--with-hc=ARG],
383 [Use ARG as the path to the compiler for compiling ordinary
384 Haskell code (default= value of --with-ghc)])],
390 # This uses GHC, so put it after the "GHC is required" check above:
394 if test "$HostOS" = "mingw32"
396 test -d inplace || mkdir inplace
398 CC="$hardtop/inplace/mingw/bin/gcc.exe"
399 LD="$hardtop/inplace/mingw/bin/ld.exe"
400 NM="$hardtop/inplace/mingw/bin/nm.exe"
401 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
403 # NB. If you update the tarbballs to a new version of gcc, don't
404 # forget to tweak the paths in driver/gcc/gcc.c.
405 if ! test -d inplace/mingw ||
406 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
407 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
408 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
409 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
410 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
411 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
412 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
413 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
414 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
415 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
417 AC_MSG_NOTICE([Making in-tree mingw tree])
422 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
423 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
424 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
425 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
426 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
427 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
428 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
429 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
430 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
431 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
432 mv bin/gcc.exe bin/realgcc.exe
434 PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
435 if ! test -e inplace/mingw/bin/gcc.exe
437 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
439 AC_MSG_NOTICE([In-tree mingw tree created])
441 if ! test -d inplace/perl ||
442 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
444 AC_MSG_NOTICE([Making in-tree perl tree])
450 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
452 AC_MSG_NOTICE([In-tree perl tree created])
456 dnl ** Which gcc to use?
457 dnl --------------------------------------------------------------
458 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
460 WhatGccIsCalled="$CC"
461 AC_SUBST(WhatGccIsCalled)
463 dnl ** Which ld to use?
464 dnl --------------------------------------------------------------
465 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
469 dnl ** Which nm to use?
470 dnl --------------------------------------------------------------
471 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
475 dnl ** Mac OS X: explicit deployment target
476 dnl --------------------------------------------------------------
477 AC_ARG_WITH([macosx-deployment-target],
478 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
479 [Build for Mac OS VERSION and higher (default= version of build host)])],
480 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
481 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
482 # ignore everywhere, but on Mac OS
483 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
484 FP_MACOSX_DEPLOYMENT_TARGET=none
486 [FP_MACOSX_DEPLOYMENT_TARGET=none]
488 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
489 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
490 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
492 dnl --------------------------------------------------------------
493 dnl End of configure script option section
494 dnl --------------------------------------------------------------
497 dnl --------------------------------------------------------------
498 dnl * General configuration checks
499 dnl --------------------------------------------------------------
501 dnl ** Can the unix package be built?
502 dnl --------------------------------------------------------------
504 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
509 AC_SUBST([GhcLibsWithUnix])
514 dnl ** look for `perl'
517 PerlCmd=$hardtop/inplace/perl/perl
520 AC_PATH_PROG(PerlCmd,perl)
521 if test -z "$PerlCmd"
523 echo "You must install perl before you can continue"
524 echo "Perhaps it is already installed, but not in your PATH?"
527 FPTOOLS_CHECK_PERL_VERSION
532 dnl ** does #! path/to/perl work? (sometimes it's too long...)
535 dnl ** check for Python
536 AC_PATH_PROG(PythonCmd,python)
538 dnl ** look for GCC and find out which version
539 dnl Figure out which C compiler to use. Gcc is preferred.
540 dnl If gcc, make sure it's at least 2.1
544 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[CPPFLAGS])
545 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_LD_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
546 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_LD_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
547 # Stage 3 won't be supported by cross-compilation
548 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_LD_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
552 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
555 AC_SUBST(CONF_CC_OPTS_STAGE0)
556 AC_SUBST(CONF_CC_OPTS_STAGE1)
557 AC_SUBST(CONF_CC_OPTS_STAGE2)
558 AC_SUBST(CONF_LD_OPTS_STAGE0)
559 AC_SUBST(CONF_LD_OPTS_STAGE1)
560 AC_SUBST(CONF_LD_OPTS_STAGE2)
561 AC_SUBST(CONF_CPP_OPTS_STAGE0)
562 AC_SUBST(CONF_CPP_OPTS_STAGE1)
563 AC_SUBST(CONF_CPP_OPTS_STAGE2)
565 dnl ** figure out how to do context diffs
568 dnl Let's make sure install-sh is executable here. If we got it from
569 dnl a darcs repo, it might not be (see bug #978).
571 dnl ** figure out how to do a BSD-ish install
574 dnl If you can run configure, you certainly have /bin/sh
575 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
577 dnl ** how to invoke `ar' and `ranlib'
578 FP_PROG_AR_SUPPORTS_ATFILE
579 FP_PROG_AR_NEEDS_RANLIB
580 FP_PROG_AR_SUPPORTS_INPUT
582 dnl ** Check to see whether ln -s works
586 dnl ** Find the path to sed
587 AC_PATH_PROGS(SedCmd,gsed sed,sed)
590 dnl ** check for time command
591 AC_PATH_PROG(TimeCmd,time)
594 dnl if GNU tar is named gtar, look for it first.
595 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
597 dnl ** check for patch
598 dnl if GNU patch is named gpatch, look for it first
599 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
601 dnl ** check for dtrace (currently only implemented for Mac OS X)
603 AC_PATH_PROG(DtraceCmd,dtrace)
604 if test -n "$DtraceCmd"; then
605 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
611 AC_PATH_PROG(HSCOLOUR,HsColour)
612 # HsColour is passed to Cabal, so we need a native path
613 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
614 test "${OSTYPE}" != "msys" && \
615 test "${HSCOLOUR}" != ""
617 # Canonicalise to <drive>:/path/to/gcc
618 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
621 dnl ** check for DocBook toolchain
628 dnl ** check for ghc-pkg command
631 dnl ** check for installed happy binary + version
632 dnl (don't do it if we're booting from .hc files though.)
633 if test "$BootingFromHc" = "NO"; then
637 dnl ** check for installed alex binary + version
638 dnl (don't do it if we're booting from .hc files though.)
639 if test "$BootingFromHc" = "NO"; then
643 dnl --------------------------------------------------
644 dnl ### program checking section ends here ###
645 dnl --------------------------------------------------
647 dnl --------------------------------------------------
648 dnl * Platform header file and syscall feature tests
649 dnl ### checking the state of the local header files and syscalls ###
651 dnl ** check for full ANSI header (.h) files
654 dnl ** Enable large file support. NB. do this before testing the type of
655 dnl off_t, because it will affect the result of that test.
658 dnl ** check for specific header (.h) files that we are interested in
659 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
661 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
664 dnl ** do we have long longs?
665 AC_CHECK_TYPES([long long])
667 dnl ** what are the sizes of various types
668 AC_CHECK_SIZEOF(char, 1)
669 AC_CHECK_SIZEOF(double, 8)
670 AC_CHECK_SIZEOF(float, 4)
671 AC_CHECK_SIZEOF(int, 4)
672 AC_CHECK_SIZEOF(long, 4)
673 if test "$ac_cv_type_long_long" = yes; then
674 AC_CHECK_SIZEOF(long long, 8)
676 AC_CHECK_SIZEOF(short, 2)
677 AC_CHECK_SIZEOF(unsigned char, 1)
678 AC_CHECK_SIZEOF(unsigned int, 4)
679 AC_CHECK_SIZEOF(unsigned long, 4)
680 if test "$ac_cv_type_long_long" = yes; then
681 AC_CHECK_SIZEOF(unsigned long long, 8)
683 AC_CHECK_SIZEOF(unsigned short, 2)
684 AC_CHECK_SIZEOF(void *, 4)
686 dnl ** what are alignment constraints on various types
687 FP_CHECK_ALIGNMENT(char)
688 FP_CHECK_ALIGNMENT(double)
689 FP_CHECK_ALIGNMENT(float)
690 FP_CHECK_ALIGNMENT(int)
691 FP_CHECK_ALIGNMENT(long)
692 if test "$ac_cv_type_long_long" = yes; then
693 FP_CHECK_ALIGNMENT(long long)
695 FP_CHECK_ALIGNMENT(short)
696 FP_CHECK_ALIGNMENT(unsigned char)
697 FP_CHECK_ALIGNMENT(unsigned int)
698 FP_CHECK_ALIGNMENT(unsigned long)
699 if test "$ac_cv_type_long_long" = yes; then
700 FP_CHECK_ALIGNMENT(unsigned long long)
702 FP_CHECK_ALIGNMENT(unsigned short)
703 FP_CHECK_ALIGNMENT(void *)
705 FP_CHECK_FUNC([WinExec],
706 [@%:@include <windows.h>], [WinExec("",0)])
708 FP_CHECK_FUNC([GetModuleFileName],
709 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
711 dnl ** check return type of signal handlers
712 dnl Foo: assumes we can use prototypes.
713 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
714 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
715 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
716 dnl #include <signal.h>
720 dnl void (*signal (int, void (*)(int)))(int);
723 dnl [ac_cv_type_signal_handler=void_int],
724 dnl [ac_cv_type_signal_handler=int_void])])
725 dnl if test "$ac_cv_type_signal_handler" = void_int; then
726 dnl AC_DEFINE(VOID_INT_SIGNALS)
729 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
731 if test "$ac_cv_type_signal" = void; then
732 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).])
735 dnl ** check for more functions
736 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
737 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
740 #include <sys/types.h>
741 #include <sys/time.h>
743 struct itimerval tval;
744 tval.it_value.tv_sec = 1;
745 tval.it_value.tv_usec = 0;
746 tval.it_interval = tval.it_value;
747 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
749 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
751 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
752 dnl ** _POSIX_C_SOURCE is defined
753 AC_CHECK_DECLS([ctime_r], , ,
754 [#define _POSIX_SOURCE 1
755 #define _POSIX_C_SOURCE 199506L
758 dnl ** check for mingwex library
759 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
760 AC_SUBST(HaveLibMingwEx)
762 if test $HaveLibMingwEx = YES ; then
763 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
766 dnl ** check for math library
767 dnl Keep that check as early as possible.
768 dnl as we need to know whether we need libm
769 dnl for math functions or not
770 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
771 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
772 if test $HaveLibM = YES
774 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
777 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
778 dnl the order of these tests matters: bfd needs liberty
779 AC_CHECK_LIB(iberty, xmalloc)
780 AC_CHECK_LIB(bfd, bfd_init)
782 dnl ################################################################
783 dnl Check for libraries
784 dnl ################################################################
786 dnl ** check whether we need -ldl to get dlopen()
788 AC_CHECK_LIB(dl, dlopen,
790 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
795 dnl --------------------------------------------------
796 dnl * Miscellaneous feature tests
797 dnl --------------------------------------------------
799 dnl ** can we get alloca?
802 dnl ** Working vfork?
805 dnl ** determine whether or not const works
808 dnl ** are we big endian?
810 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
812 dnl ** check for leading underscores in symbol names
813 FP_LEADING_UNDERSCORE
815 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
819 dnl ** check for Apple-style dead-stripping support
820 dnl (.subsections-via-symbols assembler directive)
823 AC_MSG_CHECKING(for .subsections_via_symbols)
825 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
827 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
828 [Define to 1 if Apple-style dead-stripping is supported.])
832 dnl *** check for GNU non-executable stack note support (ELF only)
833 dnl (.section .note.GNU-stack,"",@progbits)
835 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
836 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
837 dnl so we empty CFLAGS while running this test
840 AC_MSG_CHECKING(for GNU non-executable stack support)
842 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
844 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
845 [Define to 1 if GNU non-executable stack notes are supported.])
852 dnl ** check for librt
853 AC_CHECK_LIB(rt, clock_gettime)
854 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
855 FP_CHECK_TIMER_CREATE
857 dnl ** check for Apple's "interesting" long double compatibility scheme
858 AC_MSG_CHECKING(for printf\$LDBLStub)
859 AC_TRY_LINK_FUNC(printf\$LDBLStub,
862 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
863 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
867 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
868 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
871 dnl ** check for eventfd which is needed by the I/O manager
872 AC_CHECK_HEADERS([sys/eventfd.h])
873 AC_CHECK_FUNCS([eventfd])
876 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
877 if test -n "$GTK_CONFIG"; then
878 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
879 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
881 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
885 AC_SUBST([GTK_CONFIG])
888 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
889 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
890 AC_SUBST(HavePapiLib)
891 AC_SUBST(HavePapiHeader)
893 AC_CHECK_FUNCS(__mingw_vfprintf)
895 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
902 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
903 test "$XsltprocCmd" = ""
905 BUILD_DOCBOOK_HTML=NO
907 BUILD_DOCBOOK_HTML=YES
909 AC_SUBST(BUILD_DOCBOOK_HTML)
911 if test "$DblatexCmd" = ""
917 BUILD_DOCBOOK_PDF=YES
919 AC_SUBST(BUILD_DOCBOOK_PS)
920 AC_SUBST(BUILD_DOCBOOK_PDF)
922 LIBRARY_VERSION(base)
923 LIBRARY_VERSION(Cabal)
924 LIBRARY_VERSION(ghc-prim)
925 LIBRARY_ghc_VERSION="$ProjectVersion"
926 AC_SUBST(LIBRARY_ghc_VERSION)
928 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
929 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
932 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])
933 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
937 # http://savannah.gnu.org/bugs/index.php?1516
938 # $(eval ...) inside conditionals causes errors
939 # with make 3.80, so warn the user if it looks like they're about to
941 # We would use "grep -q" here, but Solaris's grep doesn't support it.
943 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
946 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
947 echo "This version cannot be used to build GHC."
948 echo "Please use GNU make >= 3.81."
956 ----------------------------------------------------------------------
957 Configure completed successfully.
959 Building GHC version : $ProjectVersion
961 Build platform : $BuildPlatform
962 Host platform : $HostPlatform
963 Target platform : $TargetPlatform
966 if test "$BootingFromHc" = "YES"; then
968 Bootstrapping from HC files.
972 Bootstrapping using : $WithGhc
973 which is version : $GhcVersion
978 Using GCC : $WhatGccIsCalled
979 which is version : $GccVersion
982 Happy : $HappyCmd ($HappyVersion)
983 Alex : $AlexCmd ($AlexVersion)
986 dblatex : $DblatexCmd
987 xsltproc : $XsltprocCmd"]
989 if test "$HSCOLOUR" = ""; then
991 HsColour was not found; documentation will not contain source links
1000 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
1001 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
1002 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
1004 echo ["----------------------------------------------------------------------
1008 For a standard build of GHC (fully optimised with profiling), type (g)make.
1010 To make changes to the default build configuration, copy the file
1011 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1013 For more information on how to configure your GHC build, see
1014 http://hackage.haskell.org/trac/ghc/wiki/Building