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/libgcc*.tar.gz ||
415 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
416 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
417 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
418 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
419 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
420 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
421 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
423 AC_MSG_NOTICE([Making in-tree mingw tree])
428 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
429 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
430 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
431 tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma &&
432 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
433 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
434 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
435 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
436 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
437 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
438 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
439 mv bin/gcc.exe bin/realgcc.exe
441 PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
442 if ! test -e inplace/mingw/bin/gcc.exe
444 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
446 AC_MSG_NOTICE([In-tree mingw tree created])
448 if ! test -d inplace/perl ||
449 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
451 AC_MSG_NOTICE([Making in-tree perl tree])
457 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
459 AC_MSG_NOTICE([In-tree perl tree created])
463 dnl ** Which gcc to use?
464 dnl --------------------------------------------------------------
465 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
467 WhatGccIsCalled="$CC"
468 AC_SUBST(WhatGccIsCalled)
470 dnl ** Which ld to use?
471 dnl --------------------------------------------------------------
472 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
476 dnl ** Which nm to use?
477 dnl --------------------------------------------------------------
478 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
482 dnl ** Mac OS X: explicit deployment target
483 dnl --------------------------------------------------------------
484 AC_ARG_WITH([macosx-deployment-target],
485 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
486 [Build for Mac OS VERSION and higher (default= version of build host)])],
487 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
488 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
489 # ignore everywhere, but on Mac OS
490 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
491 FP_MACOSX_DEPLOYMENT_TARGET=none
493 [FP_MACOSX_DEPLOYMENT_TARGET=none]
495 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
496 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
497 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
499 dnl --------------------------------------------------------------
500 dnl End of configure script option section
501 dnl --------------------------------------------------------------
504 dnl --------------------------------------------------------------
505 dnl * General configuration checks
506 dnl --------------------------------------------------------------
508 dnl ** Can the unix package be built?
509 dnl --------------------------------------------------------------
511 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
516 AC_SUBST([GhcLibsWithUnix])
521 dnl ** look for `perl'
524 PerlCmd=$hardtop/inplace/perl/perl
527 AC_PATH_PROG(PerlCmd,perl)
528 if test -z "$PerlCmd"
530 echo "You must install perl before you can continue"
531 echo "Perhaps it is already installed, but not in your PATH?"
534 FPTOOLS_CHECK_PERL_VERSION
539 dnl ** does #! path/to/perl work? (sometimes it's too long...)
542 dnl ** check for Python
543 AC_PATH_PROG(PythonCmd,python)
545 dnl ** look for GCC and find out which version
546 dnl Figure out which C compiler to use. Gcc is preferred.
547 dnl If gcc, make sure it's at least 2.1
551 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
552 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
553 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
554 # Stage 3 won't be supported by cross-compilation
555 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
559 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
562 AC_SUBST(CONF_CC_OPTS_STAGE0)
563 AC_SUBST(CONF_CC_OPTS_STAGE1)
564 AC_SUBST(CONF_CC_OPTS_STAGE2)
565 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
566 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
567 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
568 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
569 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
570 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
571 AC_SUBST(CONF_CPP_OPTS_STAGE0)
572 AC_SUBST(CONF_CPP_OPTS_STAGE1)
573 AC_SUBST(CONF_CPP_OPTS_STAGE2)
575 dnl ** figure out how to do context diffs
578 dnl Let's make sure install-sh is executable here. If we got it from
579 dnl a darcs repo, it might not be (see bug #978).
581 dnl ** figure out how to do a BSD-ish install
584 dnl If you can run configure, you certainly have /bin/sh
585 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
587 dnl ** how to invoke `ar' and `ranlib'
588 FP_PROG_AR_SUPPORTS_ATFILE
589 FP_PROG_AR_NEEDS_RANLIB
590 FP_PROG_AR_SUPPORTS_INPUT
592 dnl ** Check to see whether ln -s works
596 dnl ** Find the path to sed
597 AC_PATH_PROGS(SedCmd,gsed sed,sed)
600 dnl ** check for time command
601 AC_PATH_PROG(TimeCmd,time)
604 dnl if GNU tar is named gtar, look for it first.
605 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
607 dnl ** check for patch
608 dnl if GNU patch is named gpatch, look for it first
609 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
611 dnl ** check for dtrace (currently only implemented for Mac OS X)
613 AC_PATH_PROG(DtraceCmd,dtrace)
614 if test -n "$DtraceCmd"; then
615 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
621 AC_PATH_PROG(HSCOLOUR,HsColour)
622 # HsColour is passed to Cabal, so we need a native path
623 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
624 test "${OSTYPE}" != "msys" && \
625 test "${HSCOLOUR}" != ""
627 # Canonicalise to <drive>:/path/to/gcc
628 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
631 dnl ** check for DocBook toolchain
638 dnl ** check for ghc-pkg command
641 dnl ** check for installed happy binary + version
642 dnl (don't do it if we're booting from .hc files though.)
643 if test "$BootingFromHc" = "NO"; then
647 dnl ** check for installed alex binary + version
648 dnl (don't do it if we're booting from .hc files though.)
649 if test "$BootingFromHc" = "NO"; then
653 dnl --------------------------------------------------
654 dnl ### program checking section ends here ###
655 dnl --------------------------------------------------
657 dnl --------------------------------------------------
658 dnl * Platform header file and syscall feature tests
659 dnl ### checking the state of the local header files and syscalls ###
661 dnl ** check for full ANSI header (.h) files
664 dnl ** Enable large file support. NB. do this before testing the type of
665 dnl off_t, because it will affect the result of that test.
668 dnl ** check for specific header (.h) files that we are interested in
669 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
671 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
674 dnl ** do we have long longs?
675 AC_CHECK_TYPES([long long])
677 dnl ** what are the sizes of various types
678 AC_CHECK_SIZEOF(char, 1)
679 AC_CHECK_SIZEOF(double, 8)
680 AC_CHECK_SIZEOF(float, 4)
681 AC_CHECK_SIZEOF(int, 4)
682 AC_CHECK_SIZEOF(long, 4)
683 if test "$ac_cv_type_long_long" = yes; then
684 AC_CHECK_SIZEOF(long long, 8)
686 AC_CHECK_SIZEOF(short, 2)
687 AC_CHECK_SIZEOF(unsigned char, 1)
688 AC_CHECK_SIZEOF(unsigned int, 4)
689 AC_CHECK_SIZEOF(unsigned long, 4)
690 if test "$ac_cv_type_long_long" = yes; then
691 AC_CHECK_SIZEOF(unsigned long long, 8)
693 AC_CHECK_SIZEOF(unsigned short, 2)
694 AC_CHECK_SIZEOF(void *, 4)
696 dnl ** what are alignment constraints on various types
697 FP_CHECK_ALIGNMENT(char)
698 FP_CHECK_ALIGNMENT(double)
699 FP_CHECK_ALIGNMENT(float)
700 FP_CHECK_ALIGNMENT(int)
701 FP_CHECK_ALIGNMENT(long)
702 if test "$ac_cv_type_long_long" = yes; then
703 FP_CHECK_ALIGNMENT(long long)
705 FP_CHECK_ALIGNMENT(short)
706 FP_CHECK_ALIGNMENT(unsigned char)
707 FP_CHECK_ALIGNMENT(unsigned int)
708 FP_CHECK_ALIGNMENT(unsigned long)
709 if test "$ac_cv_type_long_long" = yes; then
710 FP_CHECK_ALIGNMENT(unsigned long long)
712 FP_CHECK_ALIGNMENT(unsigned short)
713 FP_CHECK_ALIGNMENT(void *)
715 FP_CHECK_FUNC([WinExec],
716 [@%:@include <windows.h>], [WinExec("",0)])
718 FP_CHECK_FUNC([GetModuleFileName],
719 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
721 dnl ** check return type of signal handlers
722 dnl Foo: assumes we can use prototypes.
723 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
724 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
725 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
726 dnl #include <signal.h>
730 dnl void (*signal (int, void (*)(int)))(int);
733 dnl [ac_cv_type_signal_handler=void_int],
734 dnl [ac_cv_type_signal_handler=int_void])])
735 dnl if test "$ac_cv_type_signal_handler" = void_int; then
736 dnl AC_DEFINE(VOID_INT_SIGNALS)
739 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
741 if test "$ac_cv_type_signal" = void; then
742 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).])
745 dnl ** check for more functions
746 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
747 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
750 #include <sys/types.h>
751 #include <sys/time.h>
753 struct itimerval tval;
754 tval.it_value.tv_sec = 1;
755 tval.it_value.tv_usec = 0;
756 tval.it_interval = tval.it_value;
757 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
759 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
761 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
762 dnl ** _POSIX_C_SOURCE is defined
763 AC_CHECK_DECLS([ctime_r], , ,
764 [#define _POSIX_SOURCE 1
765 #define _POSIX_C_SOURCE 199506L
768 dnl ** check for mingwex library
769 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
770 AC_SUBST(HaveLibMingwEx)
772 if test $HaveLibMingwEx = YES ; then
773 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
776 dnl ** check for math library
777 dnl Keep that check as early as possible.
778 dnl as we need to know whether we need libm
779 dnl for math functions or not
780 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
781 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
782 if test $HaveLibM = YES
784 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
787 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
788 dnl the order of these tests matters: bfd needs liberty
789 AC_CHECK_LIB(iberty, xmalloc)
790 AC_CHECK_LIB(bfd, bfd_init)
792 dnl ################################################################
793 dnl Check for libraries
794 dnl ################################################################
796 dnl ** check whether we need -ldl to get dlopen()
798 AC_CHECK_LIB(dl, dlopen,
800 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
805 dnl --------------------------------------------------
806 dnl * Miscellaneous feature tests
807 dnl --------------------------------------------------
809 dnl ** can we get alloca?
812 dnl ** Working vfork?
815 dnl ** determine whether or not const works
818 dnl ** are we big endian?
820 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
822 dnl ** check for leading underscores in symbol names
823 FP_LEADING_UNDERSCORE
825 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
829 dnl ** check for Apple-style dead-stripping support
830 dnl (.subsections-via-symbols assembler directive)
833 AC_MSG_CHECKING(for .subsections_via_symbols)
835 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
837 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
838 [Define to 1 if Apple-style dead-stripping is supported.])
842 dnl *** check for GNU non-executable stack note support (ELF only)
843 dnl (.section .note.GNU-stack,"",@progbits)
845 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
846 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
847 dnl so we empty CFLAGS while running this test
850 AC_MSG_CHECKING(for GNU non-executable stack support)
852 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
854 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
855 [Define to 1 if GNU non-executable stack notes are supported.])
862 dnl ** check for librt
863 AC_CHECK_LIB(rt, clock_gettime)
864 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
865 FP_CHECK_TIMER_CREATE
867 dnl ** check for Apple's "interesting" long double compatibility scheme
868 AC_MSG_CHECKING(for printf\$LDBLStub)
869 AC_TRY_LINK_FUNC(printf\$LDBLStub,
872 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
873 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
877 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
878 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
881 dnl ** check for eventfd which is needed by the I/O manager
882 AC_CHECK_HEADERS([sys/eventfd.h])
883 AC_CHECK_FUNCS([eventfd])
886 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
887 if test -n "$GTK_CONFIG"; then
888 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
889 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
891 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
895 AC_SUBST([GTK_CONFIG])
898 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
899 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
900 AC_SUBST(HavePapiLib)
901 AC_SUBST(HavePapiHeader)
903 AC_CHECK_FUNCS(__mingw_vfprintf)
905 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
912 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
913 test "$XsltprocCmd" = ""
915 BUILD_DOCBOOK_HTML=NO
917 BUILD_DOCBOOK_HTML=YES
919 AC_SUBST(BUILD_DOCBOOK_HTML)
921 if test "$DblatexCmd" = ""
927 BUILD_DOCBOOK_PDF=YES
929 AC_SUBST(BUILD_DOCBOOK_PS)
930 AC_SUBST(BUILD_DOCBOOK_PDF)
932 LIBRARY_VERSION(base)
933 LIBRARY_VERSION(Cabal)
934 LIBRARY_VERSION(ghc-prim)
935 LIBRARY_ghc_VERSION="$ProjectVersion"
936 AC_SUBST(LIBRARY_ghc_VERSION)
938 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
939 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
942 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])
943 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
947 # http://savannah.gnu.org/bugs/index.php?1516
948 # $(eval ...) inside conditionals causes errors
949 # with make 3.80, so warn the user if it looks like they're about to
951 # We would use "grep -q" here, but Solaris's grep doesn't support it.
953 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
956 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
957 echo "This version cannot be used to build GHC."
958 echo "Please use GNU make >= 3.81."
966 ----------------------------------------------------------------------
967 Configure completed successfully.
969 Building GHC version : $ProjectVersion
971 Build platform : $BuildPlatform
972 Host platform : $HostPlatform
973 Target platform : $TargetPlatform
976 if test "$BootingFromHc" = "YES"; then
978 Bootstrapping from HC files.
982 Bootstrapping using : $WithGhc
983 which is version : $GhcVersion
988 Using GCC : $WhatGccIsCalled
989 which is version : $GccVersion
992 Happy : $HappyCmd ($HappyVersion)
993 Alex : $AlexCmd ($AlexVersion)
996 dblatex : $DblatexCmd
997 xsltproc : $XsltprocCmd"]
999 if test "$HSCOLOUR" = ""; then
1001 HsColour was not found; documentation will not contain source links
1005 HsColour : $HSCOLOUR
1010 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
1011 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
1012 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
1014 echo ["----------------------------------------------------------------------
1018 For a standard build of GHC (fully optimised with profiling), type (g)make.
1020 To make changes to the default build configuration, copy the file
1021 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1023 For more information on how to configure your GHC build, see
1024 http://hackage.haskell.org/trac/ghc/wiki/Building