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 ${HSCOLOUR}`
630 dnl ** check for DocBook toolchain
637 dnl ** check for ghc-pkg command
640 dnl ** check for installed happy binary + version
641 dnl (don't do it if we're booting from .hc files though.)
642 if test "$BootingFromHc" = "NO"; then
646 dnl ** check for installed alex binary + version
647 dnl (don't do it if we're booting from .hc files though.)
648 if test "$BootingFromHc" = "NO"; then
652 dnl --------------------------------------------------
653 dnl ### program checking section ends here ###
654 dnl --------------------------------------------------
656 dnl --------------------------------------------------
657 dnl * Platform header file and syscall feature tests
658 dnl ### checking the state of the local header files and syscalls ###
660 dnl ** check for full ANSI header (.h) files
663 dnl ** Enable large file support. NB. do this before testing the type of
664 dnl off_t, because it will affect the result of that test.
667 dnl ** check for specific header (.h) files that we are interested in
668 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
670 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
673 dnl ** do we have long longs?
674 AC_CHECK_TYPES([long long])
676 dnl ** what are the sizes of various types
677 AC_CHECK_SIZEOF(char, 1)
678 AC_CHECK_SIZEOF(double, 8)
679 AC_CHECK_SIZEOF(float, 4)
680 AC_CHECK_SIZEOF(int, 4)
681 AC_CHECK_SIZEOF(long, 4)
682 if test "$ac_cv_type_long_long" = yes; then
683 AC_CHECK_SIZEOF(long long, 8)
685 AC_CHECK_SIZEOF(short, 2)
686 AC_CHECK_SIZEOF(unsigned char, 1)
687 AC_CHECK_SIZEOF(unsigned int, 4)
688 AC_CHECK_SIZEOF(unsigned long, 4)
689 if test "$ac_cv_type_long_long" = yes; then
690 AC_CHECK_SIZEOF(unsigned long long, 8)
692 AC_CHECK_SIZEOF(unsigned short, 2)
693 AC_CHECK_SIZEOF(void *, 4)
695 dnl ** what are alignment constraints on various types
696 FP_CHECK_ALIGNMENT(char)
697 FP_CHECK_ALIGNMENT(double)
698 FP_CHECK_ALIGNMENT(float)
699 FP_CHECK_ALIGNMENT(int)
700 FP_CHECK_ALIGNMENT(long)
701 if test "$ac_cv_type_long_long" = yes; then
702 FP_CHECK_ALIGNMENT(long long)
704 FP_CHECK_ALIGNMENT(short)
705 FP_CHECK_ALIGNMENT(unsigned char)
706 FP_CHECK_ALIGNMENT(unsigned int)
707 FP_CHECK_ALIGNMENT(unsigned long)
708 if test "$ac_cv_type_long_long" = yes; then
709 FP_CHECK_ALIGNMENT(unsigned long long)
711 FP_CHECK_ALIGNMENT(unsigned short)
712 FP_CHECK_ALIGNMENT(void *)
714 FP_CHECK_FUNC([WinExec],
715 [@%:@include <windows.h>], [WinExec("",0)])
717 FP_CHECK_FUNC([GetModuleFileName],
718 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
720 dnl ** check return type of signal handlers
721 dnl Foo: assumes we can use prototypes.
722 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
723 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
724 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
725 dnl #include <signal.h>
729 dnl void (*signal (int, void (*)(int)))(int);
732 dnl [ac_cv_type_signal_handler=void_int],
733 dnl [ac_cv_type_signal_handler=int_void])])
734 dnl if test "$ac_cv_type_signal_handler" = void_int; then
735 dnl AC_DEFINE(VOID_INT_SIGNALS)
738 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
740 if test "$ac_cv_type_signal" = void; then
741 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).])
744 dnl ** check for more functions
745 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
746 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
749 #include <sys/types.h>
750 #include <sys/time.h>
752 struct itimerval tval;
753 tval.it_value.tv_sec = 1;
754 tval.it_value.tv_usec = 0;
755 tval.it_interval = tval.it_value;
756 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
758 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
760 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
761 dnl ** _POSIX_C_SOURCE is defined
762 AC_CHECK_DECLS([ctime_r], , ,
763 [#define _POSIX_SOURCE 1
764 #define _POSIX_C_SOURCE 199506L
767 dnl ** check for mingwex library
768 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
769 AC_SUBST(HaveLibMingwEx)
771 if test $HaveLibMingwEx = YES ; then
772 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
775 dnl ** check for math library
776 dnl Keep that check as early as possible.
777 dnl as we need to know whether we need libm
778 dnl for math functions or not
779 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
780 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
781 if test $HaveLibM = YES
783 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
786 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
787 dnl the order of these tests matters: bfd needs liberty
788 AC_CHECK_LIB(iberty, xmalloc)
789 AC_CHECK_LIB(bfd, bfd_init)
791 dnl ################################################################
792 dnl Check for libraries
793 dnl ################################################################
795 dnl ** check whether we need -ldl to get dlopen()
797 AC_CHECK_LIB(dl, dlopen,
799 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
804 dnl --------------------------------------------------
805 dnl * Miscellaneous feature tests
806 dnl --------------------------------------------------
808 dnl ** can we get alloca?
811 dnl ** Working vfork?
814 dnl ** determine whether or not const works
817 dnl ** are we big endian?
819 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
821 dnl ** check for leading underscores in symbol names
822 FP_LEADING_UNDERSCORE
824 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 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])
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