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=$withval])
194 AC_SUBST(ICONV_INCLUDE_DIRS)
195 AC_SUBST(ICONV_LIB_DIRS)
197 dnl Allow to specify gmp options to the toplevel configure script
198 dnl so they can be properly passed to sub-builds.
200 AC_ARG_WITH([gmp-includes],
201 [AC_HELP_STRING([--with-gmp-includes],
202 [directory containing gmp.h])],
203 [GMP_INCLUDE_DIRS=$withval])
205 AC_ARG_WITH([gmp-libraries],
206 [AC_HELP_STRING([--with-gmp-libraries],
207 [directory containing gmp library])],
208 [GMP_LIB_DIRS=$withval])
210 AC_SUBST(GMP_INCLUDE_DIRS)
211 AC_SUBST(GMP_LIB_DIRS)
213 dnl--------------------------------------------------------------------
214 dnl * Choose host(/target/build) platform
215 dnl--------------------------------------------------------------------
216 dnl If we aren't explicitly told what values to use with configure flags,
217 dnl we ask the bootstrapping compiler what platform it is for
219 if test "${WithGhc}" != ""
221 bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
222 bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
223 if test "$bootstrap_host" != "$bootstrap_target"
225 echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
229 # We have to run these unconditionally, but we may discard their
230 # results in the following code
235 # If no argument was given for a configuration variable, then discard
236 # the guessed canonical system and use the configuration of the
237 # bootstrapping ghc. If an argument was given, map it from gnu format
240 # For why we do it this way, see: #3637, #1717, #2951
242 if test "$build_alias" = ""
244 if test "${WithGhc}" != ""
246 build=$bootstrap_target
247 echo "Build platform inferred as: $build"
249 echo "Can't work out build platform"
253 BuildArch=`echo "$build" | sed 's/-.*//'`
254 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
255 BuildOS=`echo "$build" | sed 's/.*-//'`
257 GHC_CONVERT_CPU([$build_cpu], [BuildArch])
258 GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
259 GHC_CONVERT_OS([$build_os], [BuildOS])
262 if test "$host_alias" = ""
264 if test "${WithGhc}" != ""
266 host=$bootstrap_target
267 echo "Host platform inferred as: $host"
269 echo "Can't work out host platform"
273 HostArch=`echo "$host" | sed 's/-.*//'`
274 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
275 HostOS=`echo "$host" | sed 's/.*-//'`
277 GHC_CONVERT_CPU([$host_cpu], [HostArch])
278 GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
279 GHC_CONVERT_OS([$host_os], [HostOS])
282 if test "$target_alias" = ""
284 if test "${WithGhc}" != ""
286 target=$bootstrap_target
287 echo "Target platform inferred as: $target"
289 echo "Can't work out target platform"
293 TargetArch=`echo "$target" | sed 's/-.*//'`
294 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
295 TargetOS=`echo "$target" | sed 's/.*-//'`
297 GHC_CONVERT_CPU([$target_cpu], [TargetArch])
298 GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
299 GHC_CONVERT_OS([$target_os], [TargetOS])
306 AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
307 AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
314 i386-apple-darwin|powerpc-apple-darwin)
324 alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
327 echo "Unknown arch $1"
335 dec|unknown|hp|apple|next|sun|sgi|ibm)
338 echo "Unknown vendor $1"
346 linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
349 echo "Unknown OS '$1'"
355 BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
356 BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
357 BuildArch_CPP=` echo "$BuildArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
358 BuildVendor_CPP=` echo "$BuildVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
359 BuildOS_CPP=` echo "$BuildOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
361 checkArch "$BuildArch"
362 checkVendor "$BuildVendor"
365 HostPlatform="$HostArch-$HostVendor-$HostOS"
366 HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
367 HostArch_CPP=` echo "$HostArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
368 HostVendor_CPP=` echo "$HostVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
369 HostOS_CPP=` echo "$HostOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
371 checkArch "$HostArch"
372 checkVendor "$HostVendor"
375 TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
376 TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
377 TargetArch_CPP=` echo "$TargetArch" | sed -e 's/\./_/g' -e 's/-/_/g'`
378 TargetVendor_CPP=` echo "$TargetVendor" | sed -e 's/\./_/g' -e 's/-/_/g'`
379 TargetOS_CPP=` echo "$TargetOS" | sed -e 's/\./_/g' -e 's/-/_/g'`
381 checkArch "$TargetArch"
382 checkVendor "$TargetVendor"
385 AC_SUBST(BuildPlatform)
386 AC_SUBST(HostPlatform)
387 AC_SUBST(TargetPlatform)
388 AC_SUBST(HostPlatform_CPP)
389 AC_SUBST(BuildPlatform_CPP)
390 AC_SUBST(TargetPlatform_CPP)
392 AC_SUBST(HostArch_CPP)
393 AC_SUBST(BuildArch_CPP)
394 AC_SUBST(TargetArch_CPP)
397 AC_SUBST(BuildOS_CPP)
398 AC_SUBST(TargetOS_CPP)
400 AC_SUBST(HostVendor_CPP)
401 AC_SUBST(BuildVendor_CPP)
402 AC_SUBST(TargetVendor_CPP)
408 [AC_HELP_STRING([--with-hc=ARG],
409 [Use ARG as the path to the compiler for compiling ordinary
410 Haskell code (default= value of --with-ghc)])],
416 AC_PATH_PROGS(NHC,nhc nhc98)
417 AC_PATH_PROG(HBC,hbc)
419 # This uses GHC, so put it after the "GHC is required" check above:
422 if test "$HostOS" = "mingw32"
424 CC="$hardtop/inplace/mingw/bin/gcc.exe"
425 LD="$hardtop/inplace/mingw/bin/ld.exe"
426 NM="$hardtop/inplace/mingw/bin/nm.exe"
427 fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
428 if ! test -d inplace/mingw ||
429 test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.gz ||
430 test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.gz ||
431 test inplace/mingw -ot ghc-tarballs/mingw/gcc-g++*.tar.gz ||
432 test inplace/mingw -ot ghc-tarballs/mingw/libcrypt*.tar.bz2 ||
433 test inplace/mingw -ot ghc-tarballs/mingw/mingw-runtime*.tar.gz ||
434 test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.gz
436 AC_MSG_NOTICE([Making in-tree mingw tree])
442 tar -zxf ../../ghc-tarballs/mingw/binutils*.tar.gz &&
443 tar -zxf ../../ghc-tarballs/mingw/gcc-core*.tar.gz &&
444 tar -zxf ../../ghc-tarballs/mingw/gcc-g++*.tar.gz &&
445 tar -jxf ../../ghc-tarballs/mingw/libcrypt*.tar.bz2 &&
446 tar -zxf ../../ghc-tarballs/mingw/mingw-runtime*.tar.gz &&
447 tar -zxf ../../ghc-tarballs/mingw/w32api*.tar.gz &&
448 mv bin/gcc.exe bin/realgcc.exe
450 inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
451 AC_MSG_NOTICE([In-tree mingw tree created])
453 if ! test -d inplace/perl ||
454 test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
456 AC_MSG_NOTICE([Making in-tree perl tree])
462 tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
464 AC_MSG_NOTICE([In-tree perl tree created])
468 dnl ** Which gcc to use?
469 dnl --------------------------------------------------------------
470 FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
472 WhatGccIsCalled="$CC"
473 AC_SUBST(WhatGccIsCalled)
475 dnl ** Which ld to use?
476 dnl --------------------------------------------------------------
477 FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
481 dnl ** Which nm to use?
482 dnl --------------------------------------------------------------
483 FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
487 dnl ** Mac OS X: explicit deployment target
488 dnl --------------------------------------------------------------
489 AC_ARG_WITH([macosx-deployment-target],
490 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
491 [Build for Mac OS VERSION and higher (default= version of build host)])],
492 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
493 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
494 # ignore everywhere, but on Mac OS
495 AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
496 FP_MACOSX_DEPLOYMENT_TARGET=none
498 [FP_MACOSX_DEPLOYMENT_TARGET=none]
500 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
501 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
502 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
504 dnl --------------------------------------------------------------
505 dnl End of configure script option section
506 dnl --------------------------------------------------------------
509 dnl --------------------------------------------------------------
510 dnl * General configuration checks
511 dnl --------------------------------------------------------------
513 dnl ** Can the unix package be built?
514 dnl --------------------------------------------------------------
516 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
521 AC_SUBST([GhcLibsWithUnix])
526 dnl ** look for `perl', but only in /bin on Windows
529 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
530 if test -z "$PerlCmd"; then
531 echo "You must install the version of Perl shipped with GHC"
532 echo "(or a compatible one) in /bin."
537 AC_PATH_PROG(PerlCmd,perl)
538 if test -z "$PerlCmd"; then
539 echo "You must install perl before you can continue"
540 echo "Perhaps it is already installed, but not in your PATH?"
543 FPTOOLS_CHECK_PERL_VERSION
548 dnl ** does #! path/to/perl work? (sometimes it's too long...)
551 dnl ** check for Python
552 AC_PATH_PROG(PythonCmd,python)
554 dnl ** look for GCC and find out which version
555 dnl Figure out which C compiler to use. Gcc is preferred.
556 dnl If gcc, make sure it's at least 2.1
560 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS])
561 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_LD_OPTS_STAGE0])
562 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_LD_OPTS_STAGE1])
563 # Stage 3 won't be supported by cross-compilation
564 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_LD_OPTS_STAGE2])
568 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
571 AC_SUBST(CONF_CC_OPTS_STAGE0)
572 AC_SUBST(CONF_CC_OPTS_STAGE1)
573 AC_SUBST(CONF_CC_OPTS_STAGE2)
574 AC_SUBST(CONF_LD_OPTS_STAGE0)
575 AC_SUBST(CONF_LD_OPTS_STAGE1)
576 AC_SUBST(CONF_LD_OPTS_STAGE2)
578 dnl ** figure out how to do context diffs
581 dnl Let's make sure install-sh is executable here. If we got it from
582 dnl a darcs repo, it might not be (see bug #978).
584 dnl ** figure out how to do a BSD-ish install
587 dnl If you can run configure, you certainly have /bin/sh
588 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
590 dnl ** how to invoke `ar' and `ranlib'
591 FP_PROG_AR_SUPPORTS_ATFILE
592 FP_PROG_AR_NEEDS_RANLIB
593 FP_PROG_AR_SUPPORTS_INPUT
595 dnl ** Check to see whether ln -s works
599 dnl ** Find the path to sed
600 AC_PATH_PROGS(SedCmd,gsed sed,sed)
603 dnl ** check for time command
604 AC_PATH_PROG(TimeCmd,time)
607 dnl if GNU tar is named gtar, look for it first.
608 AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
610 dnl ** check for patch
611 dnl if GNU patch is named gpatch, look for it first
612 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
614 dnl ** check for dtrace (currently only implemented for Mac OS X)
616 AC_PATH_PROG(DtraceCmd,dtrace)
617 if test -n "$DtraceCmd"; then
618 if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple"; then
624 AC_PATH_PROG(HSCOLOUR,HsColour)
625 # HsColour is passed to Cabal, so we need a native path
626 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
627 test "${OSTYPE}" != "msys" && \
628 test "${HSCOLOUR}" != ""
630 # Canonicalise to <drive>:/path/to/gcc
631 HSCOLOUR=`cygpath -m ${HSCOLOUR}`
634 dnl ** check for DocBook toolchain
641 dnl ** check for ghc-pkg command
644 dnl ** check for installed happy binary + version
645 dnl (don't do it if we're booting from .hc files though.)
646 if test "$BootingFromHc" = "NO"; then
650 dnl ** check for installed alex binary + version
651 dnl (don't do it if we're booting from .hc files though.)
652 if test "$BootingFromHc" = "NO"; then
656 dnl --------------------------------------------------
657 dnl ### program checking section ends here ###
658 dnl --------------------------------------------------
660 dnl --------------------------------------------------
661 dnl * Platform header file and syscall feature tests
662 dnl ### checking the state of the local header files and syscalls ###
664 dnl ** check for full ANSI header (.h) files
667 dnl ** Enable large file support. NB. do this before testing the type of
668 dnl off_t, because it will affect the result of that test.
671 dnl ** check for specific header (.h) files that we are interested in
672 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/cpuset.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
674 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
677 dnl ** do we have long longs?
678 AC_CHECK_TYPES([long long])
680 dnl ** what are the sizes of various types
681 AC_CHECK_SIZEOF(char, 1)
682 AC_CHECK_SIZEOF(double, 8)
683 AC_CHECK_SIZEOF(float, 4)
684 AC_CHECK_SIZEOF(int, 4)
685 AC_CHECK_SIZEOF(long, 4)
686 if test "$ac_cv_type_long_long" = yes; then
687 AC_CHECK_SIZEOF(long long, 8)
689 AC_CHECK_SIZEOF(short, 2)
690 AC_CHECK_SIZEOF(unsigned char, 1)
691 AC_CHECK_SIZEOF(unsigned int, 4)
692 AC_CHECK_SIZEOF(unsigned long, 4)
693 if test "$ac_cv_type_long_long" = yes; then
694 AC_CHECK_SIZEOF(unsigned long long, 8)
696 AC_CHECK_SIZEOF(unsigned short, 2)
697 AC_CHECK_SIZEOF(void *, 4)
699 dnl ** what are alignment constraints on various types
700 FP_CHECK_ALIGNMENT(char)
701 FP_CHECK_ALIGNMENT(double)
702 FP_CHECK_ALIGNMENT(float)
703 FP_CHECK_ALIGNMENT(int)
704 FP_CHECK_ALIGNMENT(long)
705 if test "$ac_cv_type_long_long" = yes; then
706 FP_CHECK_ALIGNMENT(long long)
708 FP_CHECK_ALIGNMENT(short)
709 FP_CHECK_ALIGNMENT(unsigned char)
710 FP_CHECK_ALIGNMENT(unsigned int)
711 FP_CHECK_ALIGNMENT(unsigned long)
712 if test "$ac_cv_type_long_long" = yes; then
713 FP_CHECK_ALIGNMENT(unsigned long long)
715 FP_CHECK_ALIGNMENT(unsigned short)
716 FP_CHECK_ALIGNMENT(void *)
718 FP_CHECK_FUNC([WinExec],
719 [@%:@include <windows.h>], [WinExec("",0)])
721 FP_CHECK_FUNC([GetModuleFileName],
722 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
724 dnl ** check return type of signal handlers
725 dnl Foo: assumes we can use prototypes.
726 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
727 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
728 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
729 dnl #include <signal.h>
733 dnl void (*signal (int, void (*)(int)))(int);
736 dnl [ac_cv_type_signal_handler=void_int],
737 dnl [ac_cv_type_signal_handler=int_void])])
738 dnl if test "$ac_cv_type_signal_handler" = void_int; then
739 dnl AC_DEFINE(VOID_INT_SIGNALS)
742 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
744 if test "$ac_cv_type_signal" = void; then
745 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).])
748 dnl ** check for more functions
749 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
750 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
753 #include <sys/types.h>
754 #include <sys/time.h>
756 struct itimerval tval;
757 tval.it_value.tv_sec = 1;
758 tval.it_value.tv_usec = 0;
759 tval.it_interval = tval.it_value;
760 return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
762 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
764 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
765 dnl ** _POSIX_C_SOURCE is defined
766 AC_CHECK_DECLS([ctime_r], , ,
767 [#define _POSIX_SOURCE 1
768 #define _POSIX_C_SOURCE 199506L
771 dnl ** check for mingwex library
772 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
773 AC_SUBST(HaveLibMingwEx)
775 if test $HaveLibMingwEx = YES ; then
776 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
779 dnl ** check for math library
780 dnl Keep that check as early as possible.
781 dnl as we need to know whether we need libm
782 dnl for math functions or not
783 dnl (see http://hackage.haskell.org/trac/ghc/ticket/3730)
784 AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
785 if test $HaveLibM = YES
787 AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
790 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
791 dnl the order of these tests matters: bfd needs liberty
792 AC_CHECK_LIB(iberty, xmalloc)
793 AC_CHECK_LIB(bfd, bfd_init)
795 dnl ################################################################
796 dnl Check for libraries
797 dnl ################################################################
799 dnl ** check whether we need -ldl to get dlopen()
801 AC_CHECK_LIB(dl, dlopen,
803 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
808 dnl --------------------------------------------------
809 dnl * Miscellaneous feature tests
810 dnl --------------------------------------------------
812 dnl ** can we get alloca?
815 dnl ** Working vfork?
818 dnl ** determine whether or not const works
821 dnl ** are we big endian?
823 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
825 dnl ** check for leading underscores in symbol names
826 FP_LEADING_UNDERSCORE
828 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
832 dnl ** check for Apple-style dead-stripping support
833 dnl (.subsections-via-symbols assembler directive)
836 AC_MSG_CHECKING(for .subsections_via_symbols)
838 [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
840 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
841 [Define to 1 if Apple-style dead-stripping is supported.])
845 dnl *** check for GNU non-executable stack note support (ELF only)
846 dnl (.section .note.GNU-stack,"",@progbits)
848 dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
849 dnl Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
850 dnl so we empty CFLAGS while running this test
853 AC_MSG_CHECKING(for GNU non-executable stack support)
855 [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
857 AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
858 [Define to 1 if GNU non-executable stack notes are supported.])
863 dnl ** check for librt
864 AC_CHECK_LIB(rt, clock_gettime)
865 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
866 FP_CHECK_TIMER_CREATE
868 dnl ** check for Apple's "interesting" long double compatibility scheme
869 AC_MSG_CHECKING(for printf\$LDBLStub)
870 AC_TRY_LINK_FUNC(printf\$LDBLStub,
873 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
874 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
878 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
879 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
882 dnl ** check for eventfd which is needed by the I/O manager
883 AC_CHECK_HEADERS([sys/eventfd.h])
884 AC_CHECK_FUNCS([eventfd])
887 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
888 if test -n "$GTK_CONFIG"; then
889 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
890 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
892 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
896 AC_SUBST([GTK_CONFIG])
899 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
900 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
901 AC_SUBST(HavePapiLib)
902 AC_SUBST(HavePapiHeader)
904 AC_CHECK_FUNCS(__mingw_vfprintf)
906 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
913 if test "$HAVE_DOCBOOK_XSL" = "NO" ||
914 test "$XsltprocCmd" = ""
916 BUILD_DOCBOOK_HTML=NO
918 BUILD_DOCBOOK_HTML=YES
920 AC_SUBST(BUILD_DOCBOOK_HTML)
922 if test "$DblatexCmd" = ""
928 BUILD_DOCBOOK_PDF=YES
930 AC_SUBST(BUILD_DOCBOOK_PS)
931 AC_SUBST(BUILD_DOCBOOK_PDF)
933 LIBRARY_VERSION(base)
934 LIBRARY_VERSION(Cabal)
935 LIBRARY_VERSION(ghc-prim)
936 LIBRARY_ghc_VERSION="$ProjectVersion"
937 AC_SUBST(LIBRARY_ghc_VERSION)
939 if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
940 AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
943 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])
944 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
948 # http://savannah.gnu.org/bugs/index.php?1516
949 # $(eval ...) inside conditionals causes errors
950 # with make 3.80, so warn the user if it looks like they're about to
952 # We would use "grep -q" here, but Solaris's grep doesn't support it.
954 if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
957 echo "WARNING: It looks like \"$1\" is GNU make 3.80."
958 echo "This version cannot be used to build GHC."
959 echo "Please use GNU make >= 3.81."
967 ----------------------------------------------------------------------
968 Configure completed successfully.
970 Building GHC version : $ProjectVersion
972 Build platform : $BuildPlatform
973 Host platform : $HostPlatform
974 Target platform : $TargetPlatform
977 if test "$BootingFromHc" = "YES"; then
979 Bootstrapping from HC files.
983 Bootstrapping using : $WithGhc
984 which is version : $GhcVersion
989 Using GCC : $WhatGccIsCalled
990 which is version : $GccVersion
993 Happy : $HappyCmd ($HappyVersion)
994 Alex : $AlexCmd ($AlexVersion)
997 dblatex : $DblatexCmd
998 xsltproc : $XsltprocCmd"]
1000 if test "$HSCOLOUR" = ""; then
1002 HsColour was not found; documentation will not contain source links
1006 HsColour : $HSCOLOUR
1011 Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
1012 Building DocBook PS documentation : $BUILD_DOCBOOK_PS
1013 Building DocBook PDF documentation : $BUILD_DOCBOOK_PDF"]
1015 echo ["----------------------------------------------------------------------
1019 For a standard build of GHC (fully optimised with profiling), type (g)make.
1021 To make changes to the default build configuration, copy the file
1022 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1024 For more information on how to configure your GHC build, see
1025 http://hackage.haskell.org/trac/ghc/wiki/Building