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)'])
137 BOOTSTRAPPING_GHC_INFO_FIELD([AR_STAGE0],[ar command],['$(AR)'])
138 BOOTSTRAPPING_GHC_INFO_FIELD([AR_OPTS_STAGE0],[ar flags],['$(AR_OPTS)'])
139 BOOTSTRAPPING_GHC_INFO_FIELD([ArSupportsAtFile_STAGE0],[ar supports at file],['$(ArSupportsAtFile)'])
142 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
143 if test "$BootingFromHc" = "NO"; then
144 if test "$WithGhc" = ""; then
145 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
147 FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.12],
148 [AC_MSG_ERROR([GHC version 6.12 or later is required to compile GHC.])])dnl
150 if test `expr $GhcMinVersion % 2` = "1"; then
151 if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
153 $WithGhc is a development snapshot of GHC, version $GhcVersion.
154 Bootstrapping using this version of GHC is not supported, and may not
155 work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
156 or --with-ghc to specify a different GHC to use.])
161 # GHC is passed to Cabal, so we need a native path
162 if test "${WithGhc}" != ""
164 ghc_host=`"${WithGhc}" +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
166 if test "$ghc_host" = "i386-unknown-mingw32"
168 if test "${OSTYPE}" = "msys"
170 WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
172 # Canonicalise to <drive>:/path/to/ghc
173 WithGhc=`cygpath -m "${WithGhc}"`
175 echo "GHC path canonicalised to: ${WithGhc}"
180 dnl ** Without optimization some INLINE trickery fails for GHCi
186 dnl--------------------------------------------------------------------
187 dnl * Choose host(/target/build) platform
188 dnl--------------------------------------------------------------------
189 dnl If we aren't explicitly told what values to use with configure flags,
190 dnl we ask the bootstrapping compiler what platform it is for
192 if test "${WithGhc}" != ""
194 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
195 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
196 if test "$bootstrap_host" != "$bootstrap_target"
198 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
202 # We have to run these unconditionally, but we may discard their
203 # results in the following code
208 FPTOOLS_SET_PLATFORM_VARS
214 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
215 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
222 i386-apple-darwin|powerpc-apple-darwin)
230 # Testing if we shall enable shared libs support on Solaris.
231 # Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.
233 SOLARIS_BROKEN_SHLD=NO
237 # here we go with the test
238 MINOR=`uname -r|cut -d '.' -f 2-`
239 if test "$MINOR" -lt "11"; then
240 SOLARIS_BROKEN_SHLD=YES
245 # Sync this with cTargetArch in compiler/ghc.mk
248 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
251 echo "Unknown arch $1"
259 dec|unknown|hp|apple|next|sun|sgi|ibm)
262 echo "Unknown vendor $1"
268 # Sync this with cTargetOS in compiler/ghc.mk
271 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
274 echo "Unknown OS '$1'"
280 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
281 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
282 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
283 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
284 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
286 checkArch "$BuildArch"
287 checkVendor "$BuildVendor"
290 HostPlatform="$HostArch-$HostVendor-$HostOS"
291 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
292 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
293 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
294 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
296 checkArch "$HostArch"
297 checkVendor "$HostVendor"
300 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
301 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
302 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
303 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
304 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
306 checkArch "$TargetArch"
307 checkVendor "$TargetVendor"
310 # Verify that the installed (bootstrap) GHC is capable of generating
311 # code for the requested build platform.
312 if test "$BootingFromHc" = "NO"
314 if test "$BuildPlatform" != "$bootstrap_target"
316 echo "This GHC (${WithGhc}) does not generate code for the build platform"
317 echo " GHC target platform : $bootstrap_target"
318 echo " Desired build platform : $BuildPlatform"
323 echo "GHC build : $BuildPlatform"
324 echo "GHC host : $HostPlatform"
325 echo "GHC target : $TargetPlatform"
327 AC_SUBST(BuildPlatform)
328 AC_SUBST(HostPlatform)
329 AC_SUBST(TargetPlatform)
330 AC_SUBST(HostPlatform_CPP)
331 AC_SUBST(BuildPlatform_CPP)
332 AC_SUBST(TargetPlatform_CPP)
334 AC_SUBST(HostArch_CPP)
335 AC_SUBST(BuildArch_CPP)
336 AC_SUBST(TargetArch_CPP)
339 AC_SUBST(BuildOS_CPP)
340 AC_SUBST(TargetOS_CPP)
342 AC_SUBST(HostVendor_CPP)
343 AC_SUBST(BuildVendor_CPP)
344 AC_SUBST(TargetVendor_CPP)
349 AC_SUBST(SOLARIS_BROKEN_SHLD)
352 [AC_HELP_STRING([--with-hc=ARG],
353 [Use ARG as the path to the compiler for compiling ordinary
354 Haskell code (default= value of --with-ghc)])],
360 # This uses GHC, so put it after the "GHC is required" check above:
364 if test "$HostOS" = "mingw32"
366 test -d inplace || mkdir inplace
368 CC="$hardtop/inplace/mingw/bin/gcc.exe"
369 LD="$hardtop/inplace/mingw/bin/ld.exe"
370 NM="$hardtop/inplace/mingw/bin/nm.exe"
371 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
373 # NB. If you update the tarbballs to a new version of gcc, don't
374 # forget to tweak the paths in driver/gcc/gcc.c.
375 if ! test -d inplace/mingw ||
376 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma ||
377 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma ||
378 test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma ||
379 test inplace/mingw -ot ghc-tarballs/mingw/libgcc*.tar.gz ||
380 test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz ||
381 test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz ||
382 test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz ||
383 test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma ||
384 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
385 test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
386 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
388 AC_MSG_NOTICE([Making in-tree mingw tree])
393 tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma &&
394 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma &&
395 tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma &&
396 tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma &&
397 tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma &&
398 tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma &&
399 tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma &&
400 tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma &&
401 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
402 tar -z -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
403 tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma &&
404 mv bin/gcc.exe bin/realgcc.exe
406 PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
407 if ! test -e inplace/mingw/bin/gcc.exe
409 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
411 AC_MSG_NOTICE([In-tree mingw tree created])
413 if ! test -d inplace/perl ||
414 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
416 AC_MSG_NOTICE([Making in-tree perl tree])
422 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
424 AC_MSG_NOTICE([In-tree perl tree created])
428 dnl ** Which gcc to use?
429 dnl --------------------------------------------------------------
430 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
432 WhatGccIsCalled="$CC"
433 AC_SUBST(WhatGccIsCalled)
435 dnl ** Which ld to use?
436 dnl --------------------------------------------------------------
437 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
441 dnl ** Which nm to use?
442 dnl --------------------------------------------------------------
443 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
448 if test "$TargetOS_CPP" = "darwin"
450 AC_MSG_CHECKING(XCode version)
451 XCodeVersion=`xcodebuild -version | grep Xcode | sed "s/Xcode //"`
452 # Old XCode versions don't actually give the XCode version
453 if test "$XCodeVersion" = ""
455 AC_MSG_RESULT(not found (too old?))
458 AC_MSG_RESULT($XCodeVersion)
459 XCodeVersion1=`echo "$XCodeVersion" | sed 's/\..*//'`
461 XCodeVersion2=`echo "$XCodeVersion" | sed 's/[^.]*\.\([^.]*\).*/\1/'`
463 AC_MSG_NOTICE(XCode version component 1: $XCodeVersion1)
464 AC_MSG_NOTICE(XCode version component 2: $XCodeVersion2)
465 # Split objects is broken (#4013) with XCode < 3.2
466 if test "$XCodeVersion1" -lt 3
470 if test "$XCodeVersion1" -eq 3
472 if test "$XCodeVersion2" -lt 2
480 AC_SUBST([SplitObjsBroken])
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
591 dnl ** Check to see whether ln -s works
595 dnl ** Find the path to sed
596 AC_PATH_PROGS(SedCmd,gsed sed,sed)
599 dnl ** check for time command
600 AC_PATH_PROG(TimeCmd,time)
603 dnl if GNU tar is named gtar, look for it first.
604 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
606 dnl ** check for patch
607 dnl if GNU patch is named gpatch, look for it first
608 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
610 dnl ** check for dtrace (currently only implemented for Mac OS X)
612 AC_PATH_PROG(DtraceCmd,dtrace)
613 if test -n "$DtraceCmd"; then
614 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" == "xsolaris2-unknown"; then
620 AC_PATH_PROG(HSCOLOUR,HsColour)
621 # HsColour is passed to Cabal, so we need a native path
622 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
623 test "${OSTYPE}" != "msys" && \
624 test "${HSCOLOUR}" != ""
626 # Canonicalise to <drive>:/path/to/gcc
627 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
630 dnl ** check for DocBook toolchain
635 dnl ** check for ghc-pkg command
638 dnl ** check for installed happy binary + version
639 dnl (don't do it if we're booting from .hc files though.)
640 if test "$BootingFromHc" = "NO"; then
644 dnl ** check for installed alex binary + version
645 dnl (don't do it if we're booting from .hc files though.)
646 if test "$BootingFromHc" = "NO"; then
650 dnl --------------------------------------------------
651 dnl ### program checking section ends here ###
652 dnl --------------------------------------------------
654 dnl --------------------------------------------------
655 dnl * Platform header file and syscall feature tests
656 dnl ### checking the state of the local header files and syscalls ###
658 dnl ** check for full ANSI header (.h) files
661 dnl ** Enable large file support. NB. do this before testing the type of
662 dnl off_t, because it will affect the result of that test.
665 dnl ** check for specific header (.h) files that we are interested in
666 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
668 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
671 dnl ** do we have long longs?
672 AC_CHECK_TYPES([long long])
674 dnl ** what are the sizes of various types
675 AC_CHECK_SIZEOF(char, 1)
676 AC_CHECK_SIZEOF(double, 8)
677 AC_CHECK_SIZEOF(float, 4)
678 AC_CHECK_SIZEOF(int, 4)
679 AC_CHECK_SIZEOF(long, 4)
680 if test "$ac_cv_type_long_long" = yes; then
681 AC_CHECK_SIZEOF(long long, 8)
683 AC_CHECK_SIZEOF(short, 2)
684 AC_CHECK_SIZEOF(unsigned char, 1)
685 AC_CHECK_SIZEOF(unsigned int, 4)
686 AC_CHECK_SIZEOF(unsigned long, 4)
687 if test "$ac_cv_type_long_long" = yes; then
688 AC_CHECK_SIZEOF(unsigned long long, 8)
690 AC_CHECK_SIZEOF(unsigned short, 2)
691 AC_CHECK_SIZEOF(void *, 4)
693 dnl ** what are alignment constraints on various types
694 FP_CHECK_ALIGNMENT(char)
695 FP_CHECK_ALIGNMENT(double)
696 FP_CHECK_ALIGNMENT(float)
697 FP_CHECK_ALIGNMENT(int)
698 FP_CHECK_ALIGNMENT(long)
699 if test "$ac_cv_type_long_long" = yes; then
700 FP_CHECK_ALIGNMENT(long long)
702 FP_CHECK_ALIGNMENT(short)
703 FP_CHECK_ALIGNMENT(unsigned char)
704 FP_CHECK_ALIGNMENT(unsigned int)
705 FP_CHECK_ALIGNMENT(unsigned long)
706 if test "$ac_cv_type_long_long" = yes; then
707 FP_CHECK_ALIGNMENT(unsigned long long)
709 FP_CHECK_ALIGNMENT(unsigned short)
710 FP_CHECK_ALIGNMENT(void *)
712 FP_CHECK_FUNC([WinExec],
713 [@%:@include <windows.h>], [WinExec("",0)])
715 FP_CHECK_FUNC([GetModuleFileName],
716 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
718 dnl ** check return type of signal handlers
719 dnl Foo: assumes we can use prototypes.
720 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
721 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
722 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
723 dnl #include <signal.h>
727 dnl void (*signal (int, void (*)(int)))(int);
730 dnl [ac_cv_type_signal_handler=void_int],
731 dnl [ac_cv_type_signal_handler=int_void])])
732 dnl if test "$ac_cv_type_signal_handler" = void_int; then
733 dnl AC_DEFINE(VOID_INT_SIGNALS)
736 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
738 if test "$ac_cv_type_signal" = void; then
739 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).])
742 dnl ** check for more functions
743 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
744 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
747 #include <sys/types.h>
748 #include <sys/time.h>
750 struct itimerval tval;
751 tval.it_value.tv_sec = 1;
752 tval.it_value.tv_usec = 0;
753 tval.it_interval = tval.it_value;
754 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
756 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
758 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
759 dnl ** _POSIX_C_SOURCE is defined
760 AC_CHECK_DECLS([ctime_r], , ,
761 [#define _POSIX_SOURCE 1
762 #define _POSIX_C_SOURCE 199506L
765 dnl ** check for mingwex library
766 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
767 AC_SUBST(HaveLibMingwEx)
769 if test $HaveLibMingwEx = YES ; then
770 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
773 dnl ** check for math library
774 dnl Keep that check as early as possible.
775 dnl as we need to know whether we need libm
776 dnl for math functions or not
777 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
778 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
779 if test $HaveLibM = YES
781 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
784 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
785 dnl the order of these tests matters: bfd needs liberty
786 AC_CHECK_LIB(iberty, xmalloc)
787 AC_CHECK_LIB(bfd, bfd_init)
789 dnl ################################################################
790 dnl Check for libraries
791 dnl ################################################################
793 dnl ** check whether we need -ldl to get dlopen()
795 AC_CHECK_LIB(dl, dlopen,
797 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
802 dnl --------------------------------------------------
803 dnl * Miscellaneous feature tests
804 dnl --------------------------------------------------
806 dnl ** can we get alloca?
809 dnl ** Working vfork?
812 dnl ** determine whether or not const works
815 dnl ** are we big endian?
817 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
819 dnl ** check for leading underscores in symbol names
820 FP_LEADING_UNDERSCORE
822 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
827 dnl ** check for Apple-style dead-stripping support
828 dnl (.subsections-via-symbols assembler directive)
831 AC_MSG_CHECKING(for .subsections_via_symbols)
833 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
835 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
836 [Define to 1 if Apple-style dead-stripping is supported.])
840 dnl *** check for GNU non-executable stack note support (ELF only)
841 dnl (.section .note.GNU-stack,"",@progbits)
843 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
844 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
845 dnl so we empty CFLAGS while running this test
848 AC_MSG_CHECKING(for GNU non-executable stack support)
850 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
852 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
853 [Define to 1 if GNU non-executable stack notes are supported.])
860 dnl ** check for librt
861 AC_CHECK_LIB(rt, clock_gettime)
862 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
863 FP_CHECK_TIMER_CREATE
865 dnl ** check for Apple's "interesting" long double compatibility scheme
866 AC_MSG_CHECKING(for printf\$LDBLStub)
867 AC_TRY_LINK_FUNC(printf\$LDBLStub,
870 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
871 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
875 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
876 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
879 dnl ** check for eventfd which is needed by the I/O manager
880 AC_CHECK_HEADERS([sys/eventfd.h])
881 AC_CHECK_FUNCS([eventfd])
884 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
885 if test -n "$GTK_CONFIG"; then
886 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
887 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
889 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
893 AC_SUBST([GTK_CONFIG])
896 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
897 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
898 AC_SUBST(HavePapiLib)
899 AC_SUBST(HavePapiHeader)
901 AC_CHECK_FUNCS(__mingw_vfprintf)
903 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
910 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
911 test "$XsltprocCmd" = ""
913 BUILD_DOCBOOK_HTML=NO
915 BUILD_DOCBOOK_HTML=YES
917 AC_SUBST(BUILD_DOCBOOK_HTML)
919 if test "$DblatexCmd" = ""
925 BUILD_DOCBOOK_PDF=YES
927 AC_SUBST(BUILD_DOCBOOK_PS)
928 AC_SUBST(BUILD_DOCBOOK_PDF)
930 LIBRARY_VERSION(base)
931 LIBRARY_VERSION(Cabal)
932 LIBRARY_VERSION(ghc-prim)
933 LIBRARY_ghc_VERSION="$ProjectVersion"
934 AC_SUBST(LIBRARY_ghc_VERSION)
936 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
937 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
940 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])
941 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
945 # http://savannah.gnu.org/bugs/index.php?1516
946 # $(eval ...) inside conditionals causes errors
947 # with make 3.80, so warn the user if it looks like they're about to
949 # We would use "grep -q" here, but Solaris's grep doesn't support it.
951 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
954 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
955 echo "This version cannot be used to build GHC."
956 echo "Please use GNU make >= 3.81."
964 ----------------------------------------------------------------------
965 Configure completed successfully.
967 Building GHC version : $ProjectVersion
969 Build platform : $BuildPlatform
970 Host platform : $HostPlatform
971 Target platform : $TargetPlatform
974 if test "$BootingFromHc" = "YES"; then
976 Bootstrapping from HC files.
980 Bootstrapping using : $WithGhc
981 which is version : $GhcVersion
986 Using GCC : $WhatGccIsCalled
987 which is version : $GccVersion
990 Happy : $HappyCmd ($HappyVersion)
991 Alex : $AlexCmd ($AlexVersion)
994 dblatex : $DblatexCmd
995 xsltproc : $XsltprocCmd"]
997 if test "$HSCOLOUR" = ""; then
999 HsColour was not found; documentation will not contain source links
1003 HsColour : $HSCOLOUR
1008 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
1009 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
1010 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
1012 echo ["----------------------------------------------------------------------
1016 For a standard build of GHC (fully optimised with profiling), type (g)make.
1018 To make changes to the default build configuration, copy the file
1019 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1021 For more information on how to configure your GHC build, see
1022 http://hackage.haskell.org/trac/ghc/wiki/Building