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 $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
134 AC_SUBST(ghc_ge_613)dnl
136 BOOTSTRAPPING_GHC_INFO_FIELD([CC_STAGE0],[C compiler command],['$(CC)'])
139 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
140 if test "$BootingFromHc" = "NO"; then
141 if test "$WithGhc" = ""; then
142 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
144 FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.12],
145 [AC_MSG_ERROR([GHC version 6.12 or later is required to compile GHC.])])dnl
147 if test `expr $GhcMinVersion % 2` = "1"; then
148 if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
150 $WithGhc is a development snapshot of GHC, version $GhcVersion.
151 Bootstrapping using this version of GHC is not supported, and may not
152 work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
153 or --with-ghc to specify a different GHC to use.])
158 # GHC is passed to Cabal, so we need a native path
159 if test "${WithGhc}" != ""
161 ghc_host=`"${WithGhc}" +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
163 if test "$ghc_host" = "i386-unknown-mingw32"
165 if test "${OSTYPE}" = "msys"
167 WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
169 # Canonicalise to <drive>:/path/to/ghc
170 WithGhc=`cygpath -m "${WithGhc}"`
172 echo "GHC path canonicalised to: ${WithGhc}"
177 dnl ** Without optimization some INLINE trickery fails for GHCi
183 dnl--------------------------------------------------------------------
184 dnl * Choose host(/target/build) platform
185 dnl--------------------------------------------------------------------
186 dnl If we aren't explicitly told what values to use with configure flags,
187 dnl we ask the bootstrapping compiler what platform it is for
189 if test "${WithGhc}" != ""
191 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
192 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
193 if test "$bootstrap_host" != "$bootstrap_target"
195 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
199 # We have to run these unconditionally, but we may discard their
200 # results in the following code
205 FPTOOLS_SET_PLATFORM_VARS
211 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
212 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
219 i386-apple-darwin|powerpc-apple-darwin)
227 # Testing if we shall enable shared libs support on Solaris.
228 # Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.
230 SOLARIS_BROKEN_SHLD=NO
234 # here we go with the test
235 MINOR=`uname -r|cut -d '.' -f 2-`
236 if test "$MINOR" -lt "11"; then
237 SOLARIS_BROKEN_SHLD=YES
242 # Sync this with cTargetArch in compiler/ghc.mk
245 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
248 echo "Unknown arch $1"
256 dec|unknown|hp|apple|next|sun|sgi|ibm)
259 echo "Unknown vendor $1"
267 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
270 echo "Unknown OS '$1'"
276 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
277 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
278 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
279 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
280 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
282 checkArch "$BuildArch"
283 checkVendor "$BuildVendor"
286 HostPlatform="$HostArch-$HostVendor-$HostOS"
287 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
288 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
289 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
290 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
292 checkArch "$HostArch"
293 checkVendor "$HostVendor"
296 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
297 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
298 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
299 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
300 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
302 checkArch "$TargetArch"
303 checkVendor "$TargetVendor"
306 # Verify that the installed (bootstrap) GHC is capable of generating
307 # code for the requested build platform.
308 if test "$BuildPlatform" != "$bootstrap_target"
310 echo "This GHC (${WithGhc}) does not generate code for the build platform"
311 echo " GHC target platform : $bootstrap_target"
312 echo " Desired build platform : $BuildPlatform"
316 echo "GHC build : $BuildPlatform"
317 echo "GHC host : $HostPlatform"
318 echo "GHC target : $TargetPlatform"
320 AC_SUBST(BuildPlatform)
321 AC_SUBST(HostPlatform)
322 AC_SUBST(TargetPlatform)
323 AC_SUBST(HostPlatform_CPP)
324 AC_SUBST(BuildPlatform_CPP)
325 AC_SUBST(TargetPlatform_CPP)
327 AC_SUBST(HostArch_CPP)
328 AC_SUBST(BuildArch_CPP)
329 AC_SUBST(TargetArch_CPP)
332 AC_SUBST(BuildOS_CPP)
333 AC_SUBST(TargetOS_CPP)
335 AC_SUBST(HostVendor_CPP)
336 AC_SUBST(BuildVendor_CPP)
337 AC_SUBST(TargetVendor_CPP)
342 AC_SUBST(SOLARIS_BROKEN_SHLD)
345 [AC_HELP_STRING([--with-hc=ARG],
346 [Use ARG as the path to the compiler for compiling ordinary
347 Haskell code (default= value of --with-ghc)])],
353 # This uses GHC, so put it after the "GHC is required" check above:
357 if test "$HostOS" = "mingw32"
359 test -d inplace || mkdir inplace
361 CC="$hardtop/inplace/mingw/bin/gcc.exe"
362 LD="$hardtop/inplace/mingw/bin/ld.exe"
363 NM="$hardtop/inplace/mingw/bin/nm.exe"
364 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
366 # NB. If you update the tarbballs to a new version of gcc, don't
367 # forget to tweak the paths in driver/gcc/gcc.c.
368 if ! test -d inplace/mingw ||
369 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
370 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
371 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
372 test inplace/mingw -ot ghc-tarballs/mingw/libgcc*.tar.gz ||
373 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
374 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
375 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
376 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
377 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
378 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
379 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
381 AC_MSG_NOTICE([Making in-tree mingw tree])
386 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
387 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
388 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
389 tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma &&
390 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
391 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
392 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
393 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
394 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
395 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
396 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
397 mv bin/gcc.exe bin/realgcc.exe
399 PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
400 if ! test -e inplace/mingw/bin/gcc.exe
402 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
404 AC_MSG_NOTICE([In-tree mingw tree created])
406 if ! test -d inplace/perl ||
407 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
409 AC_MSG_NOTICE([Making in-tree perl tree])
415 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
417 AC_MSG_NOTICE([In-tree perl tree created])
421 dnl ** Which gcc to use?
422 dnl --------------------------------------------------------------
423 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
425 WhatGccIsCalled="$CC"
426 AC_SUBST(WhatGccIsCalled)
428 dnl ** Which ld to use?
429 dnl --------------------------------------------------------------
430 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
434 dnl ** Which nm to use?
435 dnl --------------------------------------------------------------
436 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
441 if test "$TargetOS_CPP" = "darwin"
443 AC_MSG_CHECKING(XCode version)
444 XCodeVersion=`xcodebuild -version | grep Xcode | sed "s/Xcode //"`
445 # Old XCode versions don't actually give the XCode version
446 if test "$XCodeVersion" = ""
448 AC_MSG_RESULT(not found (too old?))
451 AC_MSG_RESULT($XCodeVersion)
452 XCodeVersion1=`echo "$XCodeVersion" | sed 's/\..*//'`
454 XCodeVersion2=`echo "$XCodeVersion" | sed 's/[^.]*\.\([^.]*\).*/\1/'`
456 AC_MSG_NOTICE(XCode version component 1: $XCodeVersion1)
457 AC_MSG_NOTICE(XCode version component 2: $XCodeVersion2)
458 # Split objects is broken (#4013) with XCode < 3.2
459 if test "$XCodeVersion1" -lt 3
463 if test "$XCodeVersion1" -eq 3
465 if test "$XCodeVersion2" -lt 2
473 AC_SUBST([SplitObjsBroken])
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],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
545 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
546 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_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_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_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_GCC_LINKER_OPTS_STAGE0)
559 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
560 AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
561 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
562 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
563 AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
564 AC_SUBST(CONF_CPP_OPTS_STAGE0)
565 AC_SUBST(CONF_CPP_OPTS_STAGE1)
566 AC_SUBST(CONF_CPP_OPTS_STAGE2)
568 dnl ** figure out how to do context diffs
571 dnl Let's make sure install-sh is executable here. If we got it from
572 dnl a darcs repo, it might not be (see bug #978).
574 dnl ** figure out how to do a BSD-ish install
577 dnl If you can run configure, you certainly have /bin/sh
578 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
580 dnl ** how to invoke `ar' and `ranlib'
581 FP_PROG_AR_SUPPORTS_ATFILE
582 FP_PROG_AR_NEEDS_RANLIB
584 dnl ** Check to see whether ln -s works
588 dnl ** Find the path to sed
589 AC_PATH_PROGS(SedCmd,gsed sed,sed)
592 dnl ** check for time command
593 AC_PATH_PROG(TimeCmd,time)
596 dnl if GNU tar is named gtar, look for it first.
597 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
599 dnl ** check for patch
600 dnl if GNU patch is named gpatch, look for it first
601 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
603 dnl ** check for dtrace (currently only implemented for Mac OS X)
605 AC_PATH_PROG(DtraceCmd,dtrace)
606 if test -n "$DtraceCmd"; then
607 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" == "xsolaris2-unknown"; then
613 AC_PATH_PROG(HSCOLOUR,HsColour)
614 # HsColour is passed to Cabal, so we need a native path
615 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
616 test "${OSTYPE}" != "msys" && \
617 test "${HSCOLOUR}" != ""
619 # Canonicalise to <drive>:/path/to/gcc
620 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
623 dnl ** check for DocBook toolchain
630 dnl ** check for ghc-pkg command
633 dnl ** check for installed happy binary + version
634 dnl (don't do it if we're booting from .hc files though.)
635 if test "$BootingFromHc" = "NO"; then
639 dnl ** check for installed alex binary + version
640 dnl (don't do it if we're booting from .hc files though.)
641 if test "$BootingFromHc" = "NO"; then
645 dnl --------------------------------------------------
646 dnl ### program checking section ends here ###
647 dnl --------------------------------------------------
649 dnl --------------------------------------------------
650 dnl * Platform header file and syscall feature tests
651 dnl ### checking the state of the local header files and syscalls ###
653 dnl ** check for full ANSI header (.h) files
656 dnl ** Enable large file support. NB. do this before testing the type of
657 dnl off_t, because it will affect the result of that test.
660 dnl ** check for specific header (.h) files that we are interested in
661 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
663 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
666 dnl ** do we have long longs?
667 AC_CHECK_TYPES([long long])
669 dnl ** what are the sizes of various types
670 AC_CHECK_SIZEOF(char, 1)
671 AC_CHECK_SIZEOF(double, 8)
672 AC_CHECK_SIZEOF(float, 4)
673 AC_CHECK_SIZEOF(int, 4)
674 AC_CHECK_SIZEOF(long, 4)
675 if test "$ac_cv_type_long_long" = yes; then
676 AC_CHECK_SIZEOF(long long, 8)
678 AC_CHECK_SIZEOF(short, 2)
679 AC_CHECK_SIZEOF(unsigned char, 1)
680 AC_CHECK_SIZEOF(unsigned int, 4)
681 AC_CHECK_SIZEOF(unsigned long, 4)
682 if test "$ac_cv_type_long_long" = yes; then
683 AC_CHECK_SIZEOF(unsigned long long, 8)
685 AC_CHECK_SIZEOF(unsigned short, 2)
686 AC_CHECK_SIZEOF(void *, 4)
688 dnl ** what are alignment constraints on various types
689 FP_CHECK_ALIGNMENT(char)
690 FP_CHECK_ALIGNMENT(double)
691 FP_CHECK_ALIGNMENT(float)
692 FP_CHECK_ALIGNMENT(int)
693 FP_CHECK_ALIGNMENT(long)
694 if test "$ac_cv_type_long_long" = yes; then
695 FP_CHECK_ALIGNMENT(long long)
697 FP_CHECK_ALIGNMENT(short)
698 FP_CHECK_ALIGNMENT(unsigned char)
699 FP_CHECK_ALIGNMENT(unsigned int)
700 FP_CHECK_ALIGNMENT(unsigned long)
701 if test "$ac_cv_type_long_long" = yes; then
702 FP_CHECK_ALIGNMENT(unsigned long long)
704 FP_CHECK_ALIGNMENT(unsigned short)
705 FP_CHECK_ALIGNMENT(void *)
707 FP_CHECK_FUNC([WinExec],
708 [@%:@include <windows.h>], [WinExec("",0)])
710 FP_CHECK_FUNC([GetModuleFileName],
711 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
713 dnl ** check return type of signal handlers
714 dnl Foo: assumes we can use prototypes.
715 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
716 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
717 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
718 dnl #include <signal.h>
722 dnl void (*signal (int, void (*)(int)))(int);
725 dnl [ac_cv_type_signal_handler=void_int],
726 dnl [ac_cv_type_signal_handler=int_void])])
727 dnl if test "$ac_cv_type_signal_handler" = void_int; then
728 dnl AC_DEFINE(VOID_INT_SIGNALS)
731 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
733 if test "$ac_cv_type_signal" = void; then
734 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).])
737 dnl ** check for more functions
738 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
739 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
742 #include <sys/types.h>
743 #include <sys/time.h>
745 struct itimerval tval;
746 tval.it_value.tv_sec = 1;
747 tval.it_value.tv_usec = 0;
748 tval.it_interval = tval.it_value;
749 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
751 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
753 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
754 dnl ** _POSIX_C_SOURCE is defined
755 AC_CHECK_DECLS([ctime_r], , ,
756 [#define _POSIX_SOURCE 1
757 #define _POSIX_C_SOURCE 199506L
760 dnl ** check for mingwex library
761 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
762 AC_SUBST(HaveLibMingwEx)
764 if test $HaveLibMingwEx = YES ; then
765 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
768 dnl ** check for math library
769 dnl Keep that check as early as possible.
770 dnl as we need to know whether we need libm
771 dnl for math functions or not
772 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
773 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
774 if test $HaveLibM = YES
776 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
779 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
780 dnl the order of these tests matters: bfd needs liberty
781 AC_CHECK_LIB(iberty, xmalloc)
782 AC_CHECK_LIB(bfd, bfd_init)
784 dnl ################################################################
785 dnl Check for libraries
786 dnl ################################################################
788 dnl ** check whether we need -ldl to get dlopen()
790 AC_CHECK_LIB(dl, dlopen,
792 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
797 dnl --------------------------------------------------
798 dnl * Miscellaneous feature tests
799 dnl --------------------------------------------------
801 dnl ** can we get alloca?
804 dnl ** Working vfork?
807 dnl ** determine whether or not const works
810 dnl ** are we big endian?
812 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
814 dnl ** check for leading underscores in symbol names
815 FP_LEADING_UNDERSCORE
817 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
822 dnl ** check for Apple-style dead-stripping support
823 dnl (.subsections-via-symbols assembler directive)
826 AC_MSG_CHECKING(for .subsections_via_symbols)
828 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
830 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
831 [Define to 1 if Apple-style dead-stripping is supported.])
835 dnl *** check for GNU non-executable stack note support (ELF only)
836 dnl (.section .note.GNU-stack,"",@progbits)
838 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
839 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
840 dnl so we empty CFLAGS while running this test
843 AC_MSG_CHECKING(for GNU non-executable stack support)
845 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
847 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
848 [Define to 1 if GNU non-executable stack notes are supported.])
855 dnl ** check for librt
856 AC_CHECK_LIB(rt, clock_gettime)
857 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
858 FP_CHECK_TIMER_CREATE
860 dnl ** check for Apple's "interesting" long double compatibility scheme
861 AC_MSG_CHECKING(for printf\$LDBLStub)
862 AC_TRY_LINK_FUNC(printf\$LDBLStub,
865 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
866 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
870 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
871 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
874 dnl ** check for eventfd which is needed by the I/O manager
875 AC_CHECK_HEADERS([sys/eventfd.h])
876 AC_CHECK_FUNCS([eventfd])
879 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
880 if test -n "$GTK_CONFIG"; then
881 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
882 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
884 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
888 AC_SUBST([GTK_CONFIG])
891 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
892 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
893 AC_SUBST(HavePapiLib)
894 AC_SUBST(HavePapiHeader)
896 AC_CHECK_FUNCS(__mingw_vfprintf)
898 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
905 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
906 test "$XsltprocCmd" = ""
908 BUILD_DOCBOOK_HTML=NO
910 BUILD_DOCBOOK_HTML=YES
912 AC_SUBST(BUILD_DOCBOOK_HTML)
914 if test "$DblatexCmd" = ""
920 BUILD_DOCBOOK_PDF=YES
922 AC_SUBST(BUILD_DOCBOOK_PS)
923 AC_SUBST(BUILD_DOCBOOK_PDF)
925 LIBRARY_VERSION(base)
926 LIBRARY_VERSION(Cabal)
927 LIBRARY_VERSION(ghc-prim)
928 LIBRARY_ghc_VERSION="$ProjectVersion"
929 AC_SUBST(LIBRARY_ghc_VERSION)
931 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
932 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
935 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 settings docs/users_guide/ug-book.xml docs/users_guide/ug-ent.xml docs/index.html libraries/prologue.txt distrib/ghc.iss distrib/configure.ac])
936 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
940 # http://savannah.gnu.org/bugs/index.php?1516
941 # $(eval ...) inside conditionals causes errors
942 # with make 3.80, so warn the user if it looks like they're about to
944 # We would use "grep -q" here, but Solaris's grep doesn't support it.
946 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
949 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
950 echo "This version cannot be used to build GHC."
951 echo "Please use GNU make >= 3.81."
959 ----------------------------------------------------------------------
960 Configure completed successfully.
962 Building GHC version : $ProjectVersion
964 Build platform : $BuildPlatform
965 Host platform : $HostPlatform
966 Target platform : $TargetPlatform
969 if test "$BootingFromHc" = "YES"; then
971 Bootstrapping from HC files.
975 Bootstrapping using : $WithGhc
976 which is version : $GhcVersion
981 Using GCC : $WhatGccIsCalled
982 which is version : $GccVersion
985 Happy : $HappyCmd ($HappyVersion)
986 Alex : $AlexCmd ($AlexVersion)
989 dblatex : $DblatexCmd
990 xsltproc : $XsltprocCmd"]
992 if test "$HSCOLOUR" = ""; then
994 HsColour was not found; documentation will not contain source links
1003 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
1004 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
1005 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
1007 echo ["----------------------------------------------------------------------
1011 For a standard build of GHC (fully optimised with profiling), type (g)make.
1013 To make changes to the default build configuration, copy the file
1014 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1016 For more information on how to configure your GHC build, see
1017 http://hackage.haskell.org/trac/ghc/wiki/Building