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], [6.13], [glasgow-haskell-bugs@haskell.org], [ghc])
18 # Set this to YES for a released version, otherwise NO
21 # The primary version (e.g. 6.7, 6.6.1) is set in the AC_INIT line
22 # above. If this is not a released version, then we will append the
23 # date to the version number (e.g. 6.7.20070204). The date is
24 # constructed by finding the date of the most recent patch in the
25 # darcs repository. If this is a source distribution (not a darcs
26 # checkout), then we ship a file 'VERSION' containing the full version
27 # when the source distribution was created.
29 if test ! -f mk/config.h.in; then
30 echo "mk/config.h.in doesn't exist: perhaps you haven't run 'perl boot'?"
34 AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])
36 dnl ----------------------------------------------------------
37 dnl ** Find unixy sort and find commands,
38 dnl ** which are needed by FP_SETUP_PROJECT_VERSION
40 dnl ** Find find command (for Win32's benefit)
43 dnl ** Find sort command (for the benefit of Win32 environs)
46 dnl ----------------------------------------------------------
47 FP_SETUP_PROJECT_VERSION
49 # Hmmm, we fix the RPM release number to 1 here... Is this convenient?
50 AC_SUBST([release], [1])
52 # First off, a distrib sanity check..
53 AC_CONFIG_SRCDIR([mk/config.mk.in])
55 dnl * We require autoconf version 2.52
56 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
57 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
60 # -------------------------------------------------------------------------
61 # Prepare to generate the following header files
64 AC_CONFIG_HEADER(mk/config.h)
66 # No, semi-sadly, we don't do `--srcdir'...
67 if test x"$srcdir" != 'x.' ; then
68 echo "This configuration does not support the \`--srcdir' option.."
72 dnl --------------------------------------------------------------
73 dnl * Project specific configuration options
74 dnl --------------------------------------------------------------
75 dnl What follows is a bunch of options that can either be configured
76 dnl through command line options to the configure script or by
77 dnl supplying defns in the build tree's mk/build.mk. Having the option to
78 dnl use either is considered a Feature.
80 dnl ** What command to use to compile compiler sources ?
81 dnl --------------------------------------------------------------
84 [AC_HELP_STRING([--with-ghc=ARG],
85 [Use ARG as the path to GHC [default=autodetect]])],
87 [if test "$GHC" = ""; then
88 AC_PATH_PROG([GHC], [ghc])
92 dnl ** Booting from .hc files?
93 dnl --------------------------------------------------------------
94 AC_ARG_ENABLE(hc-boot,
95 [AC_HELP_STRING([--enable-hc-boot],
96 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
97 (This option is mostly of interest to porters.) [default=no]])],
98 [ if test x"$enableval" = x"yes"; then
106 AC_SUBST(BootingFromHc)
108 AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
109 [AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
110 [Allow bootstrapping using a development snapshot of GHC. This is not guaranteed to work.])],
111 EnableBootstrapWithDevelSnaphost=YES,
112 EnableBootstrapWithDevelSnaphost=NO
115 if test "$WithGhc" != ""; then
116 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
118 if test "$GhcMajVersion" = "unknown" -o "$GhcMinVersion" = "unknown"; then
119 AC_MSG_ERROR([Cannot determine the version of $WithGhc. Is it really GHC?])
122 AC_SUBST(GhcVersion)dnl
123 AC_SUBST(GhcMajVersion)dnl
124 AC_SUBST(GhcMinVersion)dnl
125 AC_SUBST(GhcPatchLevel)dnl
126 GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
127 GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
128 FP_COMPARE_VERSIONS($GhcVersion,[-ge],[6.10.2],
129 [ghc_ge_6102=YES], [ghc_ge_6102=NO])
130 if test $GhcCanonVersion -ge 611; then ghc_ge_611=YES; else ghc_ge_611=NO; fi
131 if test $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
132 AC_SUBST(ghc_ge_6102)dnl
133 AC_SUBST(ghc_ge_611)dnl
134 AC_SUBST(ghc_ge_613)dnl
137 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
138 if test "$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],[6.10],
143 [AC_MSG_ERROR([GHC version 6.10 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: ${WithGhc}"
175 dnl ** Without optimization some INLINE trickery fails for GHCi
178 dnl Allow to specify iconv options to the toplevel configure script
179 dnl so they can be properly passed to sub-builds.
180 dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
181 dnl to the empty string to allow them to be overridden from the
184 AC_ARG_WITH([iconv-includes],
185 [AC_HELP_STRING([--with-iconv-includes],
186 [directory containing iconv.h])],
187 [ICONV_INCLUDE_DIRS=$withval])
189 AC_ARG_WITH([iconv-libraries],
190 [AC_HELP_STRING([--with-iconv-libraries],
191 [directory containing iconv library])],
192 [ICONV_LIB_DIRS=$withval])
194 AC_SUBST(ICONV_INCLUDE_DIRS)
195 AC_SUBST(ICONV_LIB_DIRS)
197 dnl--------------------------------------------------------------------
198 dnl * Choose host(/target/build) platform
199 dnl--------------------------------------------------------------------
200 dnl If we aren't explicitly told what values to use with configure flags,
201 dnl we ask the bootstrapping compiler what platform it is for
203 if test "${WithGhc}" != ""
205 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
206 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
207 if test "$bootstrap_host" != "$bootstrap_target"
209 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
213 # We have to run these unconditionally, but we may discard their
214 # results in the following code
219 # If no argument was given for a configuration variable, then discard
220 # the guessed canonical system and use the configuration of the
221 # bootstrapping ghc. If an argument was given, map it from gnu format
224 # For why we do it this way, see: #3637, #1717, #2951
226 if test "$build_alias" = ""
228 if test "${WithGhc}" != ""
230 build=$bootstrap_target
231 echo "Build platform inferred as: $build"
233 echo "Can't work out build platform"
237 BuildArch=`echo "$build" | sed 's/-.*//'`
238 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
239 BuildOS=`echo "$build" | sed 's/.*-//'`
241 GHC_CONVERT_CPU([$build_cpu], [BuildArch])
242 GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
243 GHC_CONVERT_OS([$build_os], [BuildOS])
246 if test "$host_alias" = ""
248 if test "${WithGhc}" != ""
250 host=$bootstrap_target
251 echo "Host platform inferred as: $host"
253 echo "Can't work out host platform"
257 HostArch=`echo "$host" | sed 's/-.*//'`
258 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
259 HostOS=`echo "$host" | sed 's/.*-//'`
261 GHC_CONVERT_CPU([$host_cpu], [HostArch])
262 GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
263 GHC_CONVERT_OS([$host_os], [HostOS])
266 if test "$target_alias" = ""
268 if test "${WithGhc}" != ""
270 target=$bootstrap_target
271 echo "Target platform inferred as: $target"
273 echo "Can't work out target platform"
277 TargetArch=`echo "$target" | sed 's/-.*//'`
278 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
279 TargetOS=`echo "$target" | sed 's/.*-//'`
281 GHC_CONVERT_CPU([$target_cpu], [TargetArch])
282 GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
283 GHC_CONVERT_OS([$target_os], [TargetOS])
290 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
291 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
298 i386-apple-darwin|powerpc-apple-darwin)
300 CFLAGS="$CFLAGS -m32"
301 LDFLAGS="$LDFLAGS -m32"
302 CONF_CC_OPTS="$CONF_CC_OPTS -m32"
303 CONF_LD_OPTS="$CONF_LD_OPTS -m32"
307 CFLAGS="$CFLAGS -m64"
308 LDFLAGS="$LDFLAGS -m64"
309 CONF_CC_OPTS="$CONF_CC_OPTS -m64"
310 CONF_LD_OPTS="$CONF_LD_OPTS -m64"
316 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
319 echo "Unknown arch $1"
327 dec|unknown|hp|apple|next|sun|sgi|ibm)
330 echo "Unknown vendor $1"
338 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
341 echo "Unknown OS '$1'"
347 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
348 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
349 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
350 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
351 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
353 checkArch "$BuildArch"
354 checkVendor "$BuildVendor"
357 HostPlatform="$HostArch-$HostVendor-$HostOS"
358 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
359 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
360 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
361 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
363 checkArch "$HostArch"
364 checkVendor "$HostVendor"
367 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
368 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
369 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
370 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
371 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
373 checkArch "$TargetArch"
374 checkVendor "$TargetVendor"
377 AC_SUBST(BuildPlatform)
378 AC_SUBST(HostPlatform)
379 AC_SUBST(TargetPlatform)
380 AC_SUBST(HostPlatform_CPP)
381 AC_SUBST(BuildPlatform_CPP)
382 AC_SUBST(TargetPlatform_CPP)
384 AC_SUBST(HostArch_CPP)
385 AC_SUBST(BuildArch_CPP)
386 AC_SUBST(TargetArch_CPP)
389 AC_SUBST(BuildOS_CPP)
390 AC_SUBST(TargetOS_CPP)
392 AC_SUBST(HostVendor_CPP)
393 AC_SUBST(BuildVendor_CPP)
394 AC_SUBST(TargetVendor_CPP)
400 [AC_HELP_STRING([--with-hc=ARG],
401 [Use ARG as the path to the compiler for compiling ordinary
402 Haskell code (default= value of --with-ghc)])],
408 AC_PATH_PROGS(NHC,nhc nhc98)
409 AC_PATH_PROG(HBC,hbc)
411 # This uses GHC, so put it after the "GHC is required" check above:
414 if test "$HostOS" = "mingw32"
416 CC="$hardtop/inplace/mingw/bin/gcc.exe"
417 LD="$hardtop/inplace/mingw/bin/ld.exe"
418 NM="$hardtop/inplace/mingw/bin/nm.exe"
419 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
420 if ! test -d inplace/mingw ||
421 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.gz ||
422 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.gz ||
423 test inplace/mingw -ot ghc-tarballs/mingw/gcc-g++*.tar.gz ||
424 test inplace/mingw -ot ghc-tarballs/mingw/libcrypt*.tar.bz2 ||
425 test inplace/mingw -ot ghc-tarballs/mingw/mingw-runtime*.tar.gz ||
426 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.gz
428 AC_MSG_NOTICE([Making in-tree mingw tree])
434 tar -zxf ../../ghc-tarballs/mingw/binutils*.tar.gz &&
435 tar -zxf ../../ghc-tarballs/mingw/gcc-core*.tar.gz &&
436 tar -zxf ../../ghc-tarballs/mingw/gcc-g++*.tar.gz &&
437 tar -jxf ../../ghc-tarballs/mingw/libcrypt*.tar.bz2 &&
438 tar -zxf ../../ghc-tarballs/mingw/mingw-runtime*.tar.gz &&
439 tar -zxf ../../ghc-tarballs/mingw/w32api*.tar.gz &&
440 mv bin/gcc.exe bin/realgcc.exe
442 inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
443 AC_MSG_NOTICE([In-tree mingw tree created])
445 if ! test -d inplace/perl ||
446 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
448 AC_MSG_NOTICE([Making in-tree perl tree])
454 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
456 AC_MSG_NOTICE([In-tree perl tree created])
460 dnl ** Which gcc to use?
461 dnl --------------------------------------------------------------
462 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
464 WhatGccIsCalled="$CC"
465 AC_SUBST(WhatGccIsCalled)
467 dnl ** Which ld to use?
468 dnl --------------------------------------------------------------
469 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
473 dnl ** Which nm to use?
474 dnl --------------------------------------------------------------
475 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
479 dnl ** Mac OS X: explicit deployment target
480 dnl --------------------------------------------------------------
481 AC_ARG_WITH([macosx-deployment-target],
482 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
483 [Build for Mac OS VERSION and higher (default= version of build host)])],
484 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
485 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
486 # ignore everywhere, but on Mac OS
487 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
488 FP_MACOSX_DEPLOYMENT_TARGET=none
490 [FP_MACOSX_DEPLOYMENT_TARGET=none]
492 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
493 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
494 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
496 dnl --------------------------------------------------------------
497 dnl End of configure script option section
498 dnl --------------------------------------------------------------
501 dnl --------------------------------------------------------------
502 dnl * General configuration checks
503 dnl --------------------------------------------------------------
505 dnl ** Can the unix package be built?
506 dnl --------------------------------------------------------------
508 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
513 AC_SUBST([GhcLibsWithUnix])
518 dnl ** look for `perl', but only in /bin on Windows
521 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
522 if test -z "$PerlCmd"; then
523 echo "You must install the version of Perl shipped with GHC"
524 echo "(or a compatible one) in /bin."
529 AC_PATH_PROG(PerlCmd,perl)
530 if test -z "$PerlCmd"; then
531 echo "You must install perl before you can continue"
532 echo "Perhaps it is already installed, but not in your PATH?"
535 FPTOOLS_CHECK_PERL_VERSION
540 dnl ** does #! path/to/perl work? (sometimes it's too long...)
543 dnl ** check for Python
544 AC_PATH_PROG(PythonCmd,python)
546 dnl ** look for GCC and find out which version
547 dnl Figure out which C compiler to use. Gcc is preferred.
548 dnl If gcc, make sure it's at least 2.1
553 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
556 AC_SUBST(CONF_CC_OPTS)
557 AC_SUBST(CONF_LD_OPTS)
559 dnl ** figure out how to do context diffs
562 dnl Let's make sure install-sh is executable here. If we got it from
563 dnl a darcs repo, it might not be (see bug #978).
565 dnl ** figure out how to do a BSD-ish install
568 dnl If you can run configure, you certainly have /bin/sh
569 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
571 dnl ** how to invoke `ar' and `ranlib'
572 FP_PROG_AR_SUPPORTS_ATFILE
573 FP_PROG_AR_NEEDS_RANLIB
574 FP_PROG_AR_SUPPORTS_INPUT
576 dnl ** Check to see whether ln -s works
580 dnl ** Find the path to sed
581 AC_PATH_PROGS(SedCmd,gsed sed,sed)
584 dnl ** check for time command
585 AC_PATH_PROG(TimeCmd,time)
588 dnl if GNU tar is named gtar, look for it first.
589 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
591 dnl ** check for patch
592 dnl if GNU patch is named gpatch, look for it first
593 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
595 dnl ** check for dtrace (currently only implemented for Mac OS X)
597 AC_PATH_PROG(DtraceCmd,dtrace)
598 if test -n "$DtraceCmd"; then
599 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
605 AC_PATH_PROG(HSCOLOUR,HsColour)
606 # HsColour is passed to Cabal, so we need a native path
607 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
608 test "${OSTYPE}" != "msys" && \
609 test "${HSCOLOUR}" != ""
611 # Canonicalise to <drive>:/path/to/gcc
612 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
615 dnl ** check for DocBook toolchain
622 dnl ** check for ghc-pkg command
625 dnl ** check for installed happy binary + version
626 dnl (don't do it if we're booting from .hc files though.)
627 if test "$BootingFromHc" = "NO"; then
631 dnl ** check for installed alex binary + version
632 dnl (don't do it if we're booting from .hc files though.)
633 if test "$BootingFromHc" = "NO"; then
637 dnl --------------------------------------------------
638 dnl ### program checking section ends here ###
639 dnl --------------------------------------------------
641 dnl --------------------------------------------------
642 dnl * Platform header file and syscall feature tests
643 dnl ### checking the state of the local header files and syscalls ###
645 dnl ** check for full ANSI header (.h) files
648 dnl ** Enable large file support. NB. do this before testing the type of
649 dnl off_t, because it will affect the result of that test.
652 dnl ** check for specific header (.h) files that we are interested in
653 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
655 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
658 dnl ** do we have long longs?
659 AC_CHECK_TYPES([long long])
661 dnl ** what are the sizes of various types
662 AC_CHECK_SIZEOF(char, 1)
663 AC_CHECK_SIZEOF(double, 8)
664 AC_CHECK_SIZEOF(float, 4)
665 AC_CHECK_SIZEOF(int, 4)
666 AC_CHECK_SIZEOF(long, 4)
667 if test "$ac_cv_type_long_long" = yes; then
668 AC_CHECK_SIZEOF(long long, 8)
670 AC_CHECK_SIZEOF(short, 2)
671 AC_CHECK_SIZEOF(unsigned char, 1)
672 AC_CHECK_SIZEOF(unsigned int, 4)
673 AC_CHECK_SIZEOF(unsigned long, 4)
674 if test "$ac_cv_type_long_long" = yes; then
675 AC_CHECK_SIZEOF(unsigned long long, 8)
677 AC_CHECK_SIZEOF(unsigned short, 2)
678 AC_CHECK_SIZEOF(void *, 4)
680 dnl ** what are alignment constraints on various types
681 FP_CHECK_ALIGNMENT(char)
682 FP_CHECK_ALIGNMENT(double)
683 FP_CHECK_ALIGNMENT(float)
684 FP_CHECK_ALIGNMENT(int)
685 FP_CHECK_ALIGNMENT(long)
686 if test "$ac_cv_type_long_long" = yes; then
687 FP_CHECK_ALIGNMENT(long long)
689 FP_CHECK_ALIGNMENT(short)
690 FP_CHECK_ALIGNMENT(unsigned char)
691 FP_CHECK_ALIGNMENT(unsigned int)
692 FP_CHECK_ALIGNMENT(unsigned long)
693 if test "$ac_cv_type_long_long" = yes; then
694 FP_CHECK_ALIGNMENT(unsigned long long)
696 FP_CHECK_ALIGNMENT(unsigned short)
697 FP_CHECK_ALIGNMENT(void *)
699 FP_CHECK_FUNC([WinExec],
700 [@%:@include <windows.h>], [WinExec("",0)])
702 FP_CHECK_FUNC([GetModuleFileName],
703 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
705 dnl ** check return type of signal handlers
706 dnl Foo: assumes we can use prototypes.
707 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
708 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
709 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
710 dnl #include <signal.h>
714 dnl void (*signal (int, void (*)(int)))(int);
717 dnl [ac_cv_type_signal_handler=void_int],
718 dnl [ac_cv_type_signal_handler=int_void])])
719 dnl if test "$ac_cv_type_signal_handler" = void_int; then
720 dnl AC_DEFINE(VOID_INT_SIGNALS)
723 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
725 if test "$ac_cv_type_signal" = void; then
726 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).])
729 dnl ** check for more functions
730 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
731 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
734 #include <sys/types.h>
735 #include <sys/time.h>
737 struct itimerval tval;
738 tval.it_value.tv_sec = 1;
739 tval.it_value.tv_usec = 0;
740 tval.it_interval = tval.it_value;
741 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
743 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
745 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
746 dnl ** _POSIX_C_SOURCE is defined
747 AC_CHECK_DECLS([ctime_r], , ,
748 [#define _POSIX_SOURCE 1
749 #define _POSIX_C_SOURCE 199506L
752 dnl ** check for mingwex library
753 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
754 AC_SUBST(HaveLibMingwEx)
756 if test $HaveLibMingwEx = YES ; then
757 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
760 dnl ** check for math library
761 dnl Keep that check as early as possible.
762 dnl as we need to know whether we need libm
763 dnl for math functions or not
764 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
765 AC_SEARCH_LIBS(atan, m,
766 [AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])])
768 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
769 dnl the order of these tests matters: bfd needs liberty
770 AC_CHECK_LIB(iberty, xmalloc)
771 AC_CHECK_LIB(bfd, bfd_init)
773 dnl ################################################################
774 dnl Check for libraries
775 dnl ################################################################
777 dnl ** check whether we need -ldl to get dlopen()
779 AC_CHECK_LIB(dl, dlopen,
781 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
786 dnl --------------------------------------------------
787 dnl * Miscellaneous feature tests
788 dnl --------------------------------------------------
790 dnl ** can we get alloca?
793 dnl ** Working vfork?
796 dnl ** determine whether or not const works
799 dnl ** are we big endian?
801 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
803 dnl ** check for leading underscores in symbol names
804 FP_LEADING_UNDERSCORE
806 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
810 dnl ** check for Apple-style dead-stripping support
811 dnl (.subsections-via-symbols assembler directive)
814 AC_MSG_CHECKING(for .subsections_via_symbols)
816 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
818 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
819 [Define to 1 if Apple-style dead-stripping is supported.])
823 dnl *** check for GNU non-executable stack note support (ELF only)
824 dnl (.section .note.GNU-stack,"",@progbits)
826 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
827 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
828 dnl so we empty CFLAGS while running this test
831 AC_MSG_CHECKING(for GNU non-executable stack support)
833 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
835 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
836 [Define to 1 if GNU non-executable stack notes are supported.])
841 dnl ** check for librt
842 AC_CHECK_LIB(rt, clock_gettime)
843 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
844 FP_CHECK_TIMER_CREATE
846 dnl ** check for Apple's "interesting" long double compatibility scheme
847 AC_MSG_CHECKING(for printf\$LDBLStub)
848 AC_TRY_LINK_FUNC(printf\$LDBLStub,
851 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
852 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
856 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
857 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
861 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
862 if test -n "$GTK_CONFIG"; then
863 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
864 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
866 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
870 AC_SUBST([GTK_CONFIG])
873 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
874 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
875 AC_SUBST(HavePapiLib)
876 AC_SUBST(HavePapiHeader)
878 AC_CHECK_FUNCS(__mingw_vfprintf)
880 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
887 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
888 test "$XsltprocCmd" = ""
890 BUILD_DOCBOOK_HTML=NO
892 BUILD_DOCBOOK_HTML=YES
894 AC_SUBST(BUILD_DOCBOOK_HTML)
896 if test "$DblatexCmd" = ""
902 BUILD_DOCBOOK_PDF=YES
904 AC_SUBST(BUILD_DOCBOOK_PS)
905 AC_SUBST(BUILD_DOCBOOK_PDF)
907 LIBRARY_VERSION(base)
908 LIBRARY_VERSION(Cabal)
909 LIBRARY_VERSION(ghc-prim)
910 LIBRARY_ghc_VERSION="$ProjectVersion"
911 AC_SUBST(LIBRARY_ghc_VERSION)
913 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
914 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
917 AC_CONFIG_FILES([mk/config.mk mk/install.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.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])
918 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
922 # http://savannah.gnu.org/bugs/index.php?1516
923 # $(eval ...) inside conditionals causes errors
924 # with make 3.80, so warn the user if it looks like they're about to
926 # We would use "grep -q" here, but Solaris's grep doesn't support it.
928 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
931 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
932 echo "This version cannot be used to build GHC."
933 echo "Please use GNU make >= 3.81."
941 ----------------------------------------------------------------------
942 Configure completed successfully.
944 Building GHC version : $ProjectVersion
946 Build platform : $BuildPlatform
947 Host platform : $HostPlatform
948 Target platform : $TargetPlatform
951 if test "$BootingFromHc" = "YES"; then
953 Bootstrapping from HC files.
957 Bootstrapping using : $WithGhc
958 which is version : $GhcVersion
963 Using GCC : $WhatGccIsCalled
964 which is version : $GccVersion
967 Happy : $HappyCmd ($HappyVersion)
968 Alex : $AlexCmd ($AlexVersion)
971 dblatex : $DblatexCmd
972 xsltproc : $XsltprocCmd"]
974 if test "$HSCOLOUR" = ""; then
976 HsColour was not found; documentation will not contain source links
985 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
986 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
987 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
989 echo ["----------------------------------------------------------------------
993 For a standard build of GHC (fully optimised with profiling), type (g)make.
995 To make changes to the default build configuration, copy the file
996 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
998 For more information on how to configure your GHC build, see
999 http://hackage.haskell.org/trac/ghc/wiki/Building