1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.in | sed -e 's/dnl / /g; s/\*\*/ +/g;'"
3 dnl (or some such) to see the outline of this file)
6 # (c) The AQUA Project, Glasgow University, 1994-1998
8 # Configure script template for the Glasgow functional programming tools
10 # Process with 'autoconf' 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 # First off, a distrib sanity check..
17 AC_INIT(mk/config.mk.in)
19 dnl * Declare subdirectories that have a private configure script
21 dnl After the toplevel configuration is complete, the script will recurse into
22 dnl these subdirectories (the use of cache values makes repeated checks cheap)
23 dnl (We probably have to add hslibs/{OpenGL,GLUT} here later...)
24 AC_CONFIG_SUBDIRS(ghc)
26 # -------------------------------------------------------------------------
27 # Prepare to generate the following header files
30 AC_CONFIG_HEADER(mk/config.h)
32 # No, semi-sadly, we don't do `--srcdir'...
33 if test x"$srcdir" != 'x.' ; then
34 echo "This configuration does not support the \`--srcdir' option.."
39 # Remove common automounter nonsense + convert from UNC to DOS style paths
40 # (UNC awareness isn't quite there yet for cygwin32-beta18 and consituent tools.)
43 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|' | sed 's|^//\(.\)/|\1:/|' `
46 echo "*** The top of your build tree is: $hardtop"
47 # subst of hardtop is done below after we've computed hardtop_plat.
49 dnl--------------------------------------------------------------------
50 dnl * Choose host(/target/build) platform
51 dnl--------------------------------------------------------------------
53 dnl Guess host/target/build platform(s) if necessary.
56 # "$host" defaults to "$target"
57 if test "x$host" = xNONE ; then
61 dnl ** canonicalize platform names
62 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
63 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
64 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
66 if test x"$TargetPlatform" != x"$HostPlatform" ; then
67 echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
73 # The following will be more difficult when we *are* cross-compiling.
74 # Suitable names to slam in *_CPP are in platform.h.in.
75 # We also record the architecture, vendor, and operating system (OS)
78 alpha*-dec-osf[[12]]*)
79 HostPlatform=alpha-dec-osf1 # canonicalise for our purposes
80 TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
81 BuildPlatform=alpha-dec-osf1 # hack
82 HostPlatform_CPP='alpha_dec_osf1'
87 alpha*-dec-osf[[345]]*)
88 HostPlatform=alpha-dec-osf3 # canonicalise for our purposes
89 TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
90 BuildPlatform=alpha-dec-osf3 # hack
91 HostPlatform_CPP='alpha_dec_osf3'
97 HostPlatform=alpha-unknown-linux
98 TargetPlatform=alpha-unknown-linux
99 BuildPlatform=alpha-unknown-linux
100 HostPlatform_CPP='alpha_unknown_linux'
102 HostVendor_CPP='unknown'
105 alpha*-unknown-freebsd*)
106 HostPlatform=alpha-unknown-freebsd
107 TargetPlatform=alpha-unknown-freebsd
108 BuildPlatform=alpha-unknown-freebsd
109 HostPlatform_CPP='alpha_unknown_freebsd'
111 HostVendor_CPP='unknown'
115 HostPlatform=hppa1.1-hp-hpux # canonicalise for our purposes (hack)
116 TargetPlatform=hppa1.1-hp-hpux
117 BuildPlatform=hppa1.1-hp-hpux
118 HostPlatform_CPP='hppa1_1_hp_hpux'
119 HostArch_CPP='hppa1_1'
123 i[[3456]]86-*-linuxaout*)
124 HostPlatform=i386-unknown-linuxaout # hack again
125 TargetPlatform=i386-unknown-linuxaout
126 BuildPlatform=i386-unknown-linuxaout
127 HostPlatform_CPP='i386_unknown_linuxaout'
129 HostVendor_CPP='unknown'
130 HostOS_CPP='linuxaout'
132 i[[3456]]86-*-linux*)
133 HostPlatform=i386-unknown-linux # hack again
134 TargetPlatform=i386-unknown-linux
135 BuildPlatform=i386-unknown-linux
136 HostPlatform_CPP='i386_unknown_linux'
138 HostVendor_CPP='unknown'
141 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
142 HostPlatform=i386-unknown-freebsd # hack again
143 TargetPlatform=i386-unknown-freebsd
144 BuildPlatform=i386-unknown-freebsd
145 HostPlatform_CPP='i386_unknown_freebsd'
147 HostVendor_CPP='unknown'
150 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
151 HostPlatform=i386-unknown-freebsd2 # hack again
152 TargetPlatform=i386-unknown-freebsd2
153 BuildPlatform=i386-unknown-freebsd2
154 HostPlatform_CPP='i386_unknown_freebsd2'
156 HostVendor_CPP='unknown'
157 HostOS_CPP='freebsd2'
159 i[[3456]]86-*-netbsd*)
160 HostPlatform=i386-unknown-netbsd # hack again
161 TargetPlatform=i386-unknown-netbsd
162 BuildPlatform=i386-unknown-netbsd
163 HostPlatform_CPP='i386_unknown_netbsd'
165 HostVendor_CPP='unknown'
168 i[[3456]]86-*-openbsd*)
169 HostPlatform=i386-unknown-openbsd # hack again
170 TargetPlatform=i386-unknown-openbsd
171 BuildPlatform=i386-unknown-openbsd
172 HostPlatform_CPP='i386_unknown_openbsd'
174 HostVendor_CPP='unknown'
177 i[[3456]]86-*-solaris2*)
178 HostPlatform=i386-unknown-solaris2 # hack again
179 TargetPlatform=i386-unknown-solaris2
180 BuildPlatform=i386-unknown-solaris2
181 HostPlatform_CPP='i386_unknown_solaris2'
183 HostVendor_CPP='unknown'
184 HostOS_CPP='solaris2'
186 i[[3456]]86-*-cygwin*)
187 HostPlatform=i386-unknown-cygwin32 # hack again
188 TargetPlatform=i386-unknown-cygwin32
189 BuildPlatform=i386-unknown-cygwin32
190 HostPlatform_CPP='i386_unknown_cygwin32'
192 HostVendor_CPP='unknown'
193 HostOS_CPP='cygwin32'
196 i[[3456]]86-*-mingw32*)
197 HostPlatform=i386-unknown-mingw32 # hack again
198 TargetPlatform=i386-unknown-mingw32
199 BuildPlatform=i386-unknown-mingw32
200 HostPlatform_CPP='i386_unknown_mingw32'
202 HostVendor_CPP='unknown'
207 HostPlatform_CPP='m68k_next_nextstep2'
209 HostVendor_CPP='next'
210 HostOS_CPP='nextstep2'
213 HostPlatform_CPP='m68k_next_nextstep3'
215 HostVendor_CPP='next'
216 HostOS_CPP='nextstep3'
218 i[[3456]]86-next-nextstep3)
219 HostPlatform=i386-next-nextstep3 # hack again
220 TargetPlatform=i386-next-nextstep3
221 BuildPlatform=i386-next-nextstep3
222 HostPlatform_CPP='i386_next_nextstep3'
224 HostVendor_CPP='next'
225 HostOS_CPP='nextstep3'
228 HostPlatform=m68k-sun-sunos4
229 TargetPlatform=m68k-sun-sunos4 #hack
230 BuildPlatform=m68k-sun-sunos4 #hack
231 HostPlatform_CPP='m68k_sun_sunos4'
237 HostPlatform_CPP='mips_dec_ultrix'
238 HostArch_CPP='mipsel' # NB a little different
243 HostPlatform=mips-sgi-irix
244 TargetPlatform=mips-sgi-irix #hack
245 BuildPlatform=mips-sgi-irix #hack
246 HostPlatform_CPP='mips_sgi_irix'
247 HostArch_CPP='mipseb' # NB a little different
252 HostPlatform=rs6000-ibm-aix
253 TargetPlatform=rs6000-ibm-aix #hack
254 BuildPlatform=rs6000-ibm-aix #hack
255 HostPlatform_CPP='rs6000_ibm_aix'
256 HostArch_CPP='rs6000'
261 HostPlatform=powerpc-ibm-aix
262 TargetPlatform=powerpc-ibm-aix #hack
263 BuildPlatform=powerpc-ibm-aix #hack
264 HostPlatform_CPP='powerpc_ibm_aix'
265 HostArch_CPP='powerpc'
269 powerpc-apple-darwin*)
270 HostPlatform=powerpc-apple-darwin
271 TargetPlatform=powerpc-apple-darwin #hack
272 BuildPlatform=powerpc-apple-darwin #hack
273 HostPlatform_CPP='powerpc_apple_darwin'
274 HostArch_CPP='powerpc'
275 HostVendor_CPP='apple'
279 HostPlatform=sparc-sun-sunos4
280 TargetPlatform=sparc-sun-sunos4 #hack
281 BuildPlatform=sparc-sun-sunos4 #hack
282 HostPlatform_CPP='sparc_sun_sunos4'
288 HostPlatform=sparc-sun-solaris2
289 TargetPlatform=sparc-sun-solaris2 #hack
290 BuildPlatform=sparc-sun-solaris2 #hack
291 HostPlatform_CPP='sparc_sun_solaris2'
294 HostOS_CPP='solaris2'
297 echo "Unrecognised platform: $HostPlatform"
301 echo "Canonicalised to: $HostPlatform"
302 test x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
303 test x"$BuildPlatform" != x"$HostPlatform" && echo "Build platform set to $BuildPlatform"
305 BuildPlatform_CPP=$HostPlatform_CPP
306 TargetPlatform_CPP=$HostPlatform_CPP
307 BuildArch_CPP=$HostArch_CPP
308 TargetArch_CPP=$HostArch_CPP
309 BuildOS_CPP=$HostOS_CPP
311 TargetOS_CPP=$HostOS_CPP
312 BuildVendor_CPP=$HostVendor_CPP
313 TargetVendor_CPP=$HostVendor_CPP
315 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
316 dnl AC_SUBST(BuildPlatform)
318 AC_SUBST(HostPlatform)
319 AC_SUBST(TargetPlatform)
320 AC_SUBST(HostPlatform_CPP)
321 dnl AC_SUBST(BuildPlatform_CPP)
322 dnl AC_SUBST(TargetPlatform_CPP)
324 AC_SUBST(HostArch_CPP)
325 dnl AC_SUBST(BuildArch_CPP)
326 dnl AC_SUBST(TargetArch_CPP)
329 AC_SUBST(HostOS_Full)
330 dnl AC_SUBST(BuildOS_CPP)
331 dnl AC_SUBST(TargetOS_CPP)
333 AC_SUBST(HostVendor_CPP)
334 dnl AC_SUBST(BuildVendor_CPP)
335 dnl AC_SUBST(TargetVendor_CPP)
340 # The native format for 'hardtop' (i.e., right kind of slashes on a Win32 box).
341 # (but with b-slashes being escaped).
342 case $HostPlatform in
343 i386-unknown-mingw32 | i386-unknown-cygwin32)
344 # get rid off /cygdrive/ prefix
345 hardtop=`echo ${hardtop} | sed -e 's%^/cygdrive/\(.\)/%\1:/%' `
346 hardtop_plat=`cygpath -w ${hardtop} | sed -e 's@\\\\@\\\\\\\\@g' `
349 hardtop_plat=${hardtop}
353 AC_SUBST(hardtop_plat)
355 dnl --------------------------------------------------------------
356 dnl * Project specific configuration options
357 dnl --------------------------------------------------------------
358 dnl What follows is a bunch of options that can either be configured
359 dnl through command line options to the configure script or by
360 dnl supplying defns in the build tree's mk/build.mk. Having the option to
361 dnl use either is considered a Feature.
363 dnl ** What command to use to compile compiler sources ?
364 dnl --------------------------------------------------------------
367 [ --with-ghc=<haskell compiler>
368 Use a command different from 'ghc' to compile GHC-specific Haskell code
369 (including GHC itself).
371 [ WithGhc="$withval" ],
373 if test "$GHC" = ""; then
374 AC_PATH_PROG(GHC,ghc)
382 [ --with-hc=<haskell compiler>
383 Use a command different from 'ghc' to compile generic Haskell code.
390 if test "$WithGhc" != ""; then
391 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
392 AC_SUBST(GhcVersion)dnl
393 AC_SUBST(GhcMajVersion)dnl
394 AC_SUBST(GhcMinVersion)dnl
395 AC_SUBST(GhcPatchLevel)dnl
398 AC_PATH_PROGS(NHC,nhc nhc98)
399 AC_PATH_PROG(HBC,hbc)
401 dnl ** Which gcc to use?
402 dnl --------------------------------------------------------------
404 [ --with-gcc=<gcc command>
405 Use a different command instead of 'gcc' for the GNU C compiler.
407 [WhatGccIsCalled="$withval"
409 [WhatGccIsCalled="gcc"]
411 AC_SUBST(WhatGccIsCalled)
413 dnl ** Booting from .hc files?
414 dnl --------------------------------------------------------------
415 AC_ARG_ENABLE(hc-boot,
417 Boot the Glasgow Haskell Compiler from intermediate .hc files.
418 (This option is mostly of interest to porters.)
423 AC_SUBST(BootingFromHc)
425 dnl ** Booting from unregisterised .hc files?
426 dnl --------------------------------------------------------------
427 AC_ARG_ENABLE(hc-boot-unregisterised,
428 [ --enable-hc-boot-unregisterised
429 With --enable-hc-boot, treat the intermediate .hc files as
430 unregisterised rather than registerised code.
431 (This option is mostly of interest to porters.)
433 [BootingFromUnregisterisedHc=YES],
434 [BootingFromUnregisterisedHc=NO]
436 AC_SUBST(BootingFromUnregisterisedHc)
438 if test "$BootingFromHc" = "NO"; then
439 if test "$BootingFromUnregisterisedHc" = "YES"; then
440 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
445 dnl ** Enable multi-thread friendly RTS?
446 dnl --------------------------------------------------------------
447 AC_ARG_ENABLE(threaded-rts,
448 [ --enable-threaded-rts
449 Support better interop with OS threads.
454 AC_SUBST(ThreadedRts)
456 dnl ** Enable the construction of Win32 DLLs?
457 dnl --------------------------------------------------------------
458 AC_ARG_ENABLE(win32-dlls,
459 [ --enable-win32-dlls
460 If on a Win32 platform running mingw32/cygwin, enable the
461 construction of DLLs containing ghc-compiled code.
467 *) echo "Unrecognised win32 platform: $HostPlatform"
475 AC_SUBST(EnableWin32DLLs)
476 if test x"$EnableWin32DLLs" = "xYES" ; then
477 AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
480 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
481 dnl --------------------------------------------------------------
482 AC_ARG_ENABLE(hopengl,
484 Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
485 (This option is only relevant when hslibs are built.)
487 [GhcLibsWithHOpenGL=YES],
488 [GhcLibsWithHOpenGL=NO]
490 AC_SUBST(GhcLibsWithHOpenGL)
492 dnl ** Use a specific version of the GLUT API
493 dnl --------------------------------------------------------------
494 AC_ARG_WITH(glut-api,
495 [ --with-glut-api=<version>
496 Use a specific version of the GLUT API when building HOpenGL.
498 test -n "$with_glut_api" && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"
501 dnl ** Use a specific version of the GLUT API
502 dnl --------------------------------------------------------------
503 AC_ARG_WITH(glut-xlib,
504 [ --with-glut-xlib=<version>
505 Use a specific version of the GLUT Xlib implementation when building HOpenGL.
507 test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"
512 dnl --------------------------------------------------------------
513 dnl End of configure script option section
514 dnl --------------------------------------------------------------
517 dnl --------------------------------------------------------------
518 dnl * General configuration checks
519 dnl --------------------------------------------------------------
524 dnl ** look for `perl', but only in /bin on Windows
527 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
528 if test -z "$PerlCmd"; then
529 echo "You must install the version of Perl shipped with GHC"
530 echo "(or a compatible one) in /bin."
535 AC_PATH_PROG(PerlCmd,perl)
536 if test -z "$PerlCmd"; then
537 echo "You must install perl before you can continue"
538 echo "Perhaps it is already installed, but not in your PATH?"
541 FPTOOLS_CHECK_PERL_VERSION
546 dnl ** does #! path/to/perl work? (sometimes it's too long...)
549 dnl ** look for GCC and find out which version
550 dnl Figure out which C compiler to use. Gcc is preferred.
551 dnl If gcc, make sure it's at least 2.1
556 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
559 dnl ** does the C compiler support the following options?
560 FPTOOLS_CC_FLAG(-mwin32,CC_SUPPORTS_MWIN32)
561 FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
563 EXTRA_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $CC_SUPPORTS_MWIN32"
564 SRC_CC_OPTS="-O $EXTRA_CC_OPTS"
565 CPPFLAGS="$EXTRA_CC_OPTS $CPPFLAGS"
566 AC_SUBST(SRC_CC_OPTS)
568 dnl ** figure out how to do context diffs
571 dnl ** Find find command (for Win32's benefit)
574 dnl ** look for a decent parser generator (bison preferred)
575 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
576 dnl on the suitability of the 'yacc' returned.)
579 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
580 dnl AC_PROG_LEX, since it doesn't actually check whether 'lex'
581 dnl exists if 'flex' doesn't.
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)
590 dnl ** how to invoke `ar' and `ranlib'
591 FPTOOLS_PROG_AR_AND_RANLIB
593 dnl ** Check to see whether ln -s works
597 dnl ** Find the path to sed
598 AC_PATH_PROG(SedCmd,sed)
601 dnl ** check for time command
602 AC_PATH_PROG(TimeCmd,time)
606 dnl if GNU tar is named gtar, look for it first.
607 AC_PATH_PROGS(TarCmd,gtar tar,tar)
609 dnl ** check for gzip/compress
610 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
612 dnl ** check for jade/openjade & determine a working catalog
613 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
614 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
615 /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl glafp-utils/docbook/CATALOG*)
616 if test -z "$Catalog"; then
617 AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
623 Catalog=`cygpath -w $hardtop/$Catalog`
625 *) Catalog=$hardtop/$Catalog
632 compress_nm=`basename $CompressCmd`
633 if test x"$compress_nm" = xgzip; then
634 CompressCmd="$CompressCmd -d"
639 AC_SUBST(CompressCmd)
640 AC_SUBST(CompressSuffix)
642 AC_ARG_ENABLE(src-tree-happy,
643 [ --enable-src-tree-happy
644 Build and use source tree (fptools/happy) version of happy.
646 [UseSrcTreeHappy=YES],
649 dnl ** check for installed happy binary + version
650 dnl (don't do it if we're booting from .hc files though.)
651 if test "$BootingFromHc" = "NO"; then
655 dnl --------------------------------------------------
656 dnl ### program checking section ends here ###
657 dnl --------------------------------------------------
659 dnl --------------------------------------------------
660 dnl * Platform header file and syscall feature tests
661 dnl ### checking the state of the local header files and syscalls ###
663 dnl ** check for full ANSI header (.h) files
666 dnl ** check for specific header (.h) files that we are interested in
667 AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h vfork.h bfd.h winsock.h pthread.h)
669 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
670 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
672 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
673 HaveReadlineHeaders=YES
674 AC_DEFINE(HAVE_READLINE_HEADERS,1)
676 HaveReadlineHeaders=NO
677 AC_DEFINE(HAVE_READLINE_HEADERS,0)
679 AC_SUBST(HaveReadlineHeaders)
681 dnl ** check for DOS include files
682 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
684 dnl ** check for Windows include files
685 AC_CHECK_HEADERS(windows.h)
687 dnl ** check for OpenGL include files
688 AC_CHECK_HEADERS(GL/gl.h)
690 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
693 dnl dynamic loading include files
694 AC_CHECK_HEADERS(dlfcn.h dl.h)
696 dnl ** check for farcalloc (in bcc)
697 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
699 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
700 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
702 dnl ** check for POSIX regex
704 AC_CHECK_HEADER(regex.h,AC_CHECK_FUNC(regcomp, HavePosixRegex=YES))
705 AC_SUBST(HavePosixRegex)
707 dnl ** how do we get a timezone name, and UTC offset ?
710 dnl ** what's the type of timezone?
711 FPTOOLS_HAVE_TIMEZONE
712 FPTOOLS_TYPE_TIMEZONE
714 dnl ** do we have altzone?
717 dnl ** does struct stat contain st_blksize?
720 dnl ** do we have long longs?
723 dnl ** what are the sizes of various types
724 dnl (these must come before GHC_CHECK_ALIGNMENT)
725 AC_CHECK_SIZEOF(char, 1)
726 AC_CHECK_SIZEOF(double, 8)
727 AC_CHECK_SIZEOF(float, 4)
728 AC_CHECK_SIZEOF(int, 4)
729 AC_CHECK_SIZEOF(long, 4)
730 if test "$fptools_cv_have_long_long" = yes; then
731 AC_CHECK_SIZEOF(long long, 8)
733 AC_CHECK_SIZEOF(short, 2)
734 AC_CHECK_SIZEOF(unsigned char, 1)
735 AC_CHECK_SIZEOF(unsigned int, 4)
736 AC_CHECK_SIZEOF(unsigned long, 4)
737 if test "$fptools_cv_have_long_long" = yes; then
738 AC_CHECK_SIZEOF(unsigned long long, 8)
740 AC_CHECK_SIZEOF(unsigned short, 2)
741 AC_CHECK_SIZEOF(void *, 4)
743 dnl ** what are alignment constraints on various types
744 FPTOOLS_CHECK_ALIGNMENT(char)
745 FPTOOLS_CHECK_ALIGNMENT(double)
746 FPTOOLS_CHECK_ALIGNMENT(float)
747 FPTOOLS_CHECK_ALIGNMENT(int)
748 FPTOOLS_CHECK_ALIGNMENT(long)
749 if test "$fptools_cv_have_long_long" = yes; then
750 FPTOOLS_CHECK_ALIGNMENT(long long)
752 FPTOOLS_CHECK_ALIGNMENT(short)
753 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
754 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
755 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
756 if test "$fptools_cv_have_long_long" = yes; then
757 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
759 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
760 FPTOOLS_CHECK_ALIGNMENT(void *)
762 dnl ** map standard C types and ISO types to Haskell types
763 FPTOOLS_CHECK_HTYPE(char)
764 FPTOOLS_CHECK_HTYPE(signed char)
765 FPTOOLS_CHECK_HTYPE(unsigned char)
766 FPTOOLS_CHECK_HTYPE(short)
767 FPTOOLS_CHECK_HTYPE(unsigned short)
768 FPTOOLS_CHECK_HTYPE(int)
769 FPTOOLS_CHECK_HTYPE(unsigned int)
770 FPTOOLS_CHECK_HTYPE(long)
771 FPTOOLS_CHECK_HTYPE(unsigned long)
772 if test "$fptools_cv_have_long_long" = yes; then
773 FPTOOLS_CHECK_HTYPE(long long)
774 FPTOOLS_CHECK_HTYPE(unsigned long long)
776 FPTOOLS_CHECK_HTYPE(float)
777 FPTOOLS_CHECK_HTYPE(double)
778 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
779 FPTOOLS_CHECK_HTYPE(size_t)
780 FPTOOLS_CHECK_HTYPE(wchar_t)
781 dnl Int32 is a HACK for non-ISO C compilers
782 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
783 FPTOOLS_CHECK_HTYPE(clock_t)
784 FPTOOLS_CHECK_HTYPE(time_t)
785 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
786 FPTOOLS_CHECK_HTYPE(ino_t)
787 FPTOOLS_CHECK_HTYPE(mode_t)
788 FPTOOLS_CHECK_HTYPE(off_t)
789 FPTOOLS_CHECK_HTYPE(pid_t)
790 FPTOOLS_CHECK_HTYPE(size_t)
791 FPTOOLS_CHECK_HTYPE(gid_t)
792 FPTOOLS_CHECK_HTYPE(uid_t)
793 FPTOOLS_CHECK_HTYPE(cc_t)
794 FPTOOLS_CHECK_HTYPE(speed_t)
795 FPTOOLS_CHECK_HTYPE(tcflag_t)
796 FPTOOLS_CHECK_HTYPE(nlink_t)
797 FPTOOLS_CHECK_HTYPE(ssize_t)
799 dnl ** Map OpenGL data types to Haskell types
800 if test $GhcLibsWithHOpenGL = YES ; then
801 FPTOOLS_CHECK_HTYPE(GLboolean)
802 FPTOOLS_CHECK_HTYPE(GLbyte)
803 FPTOOLS_CHECK_HTYPE(GLubyte)
804 FPTOOLS_CHECK_HTYPE(GLshort)
805 FPTOOLS_CHECK_HTYPE(GLushort)
806 FPTOOLS_CHECK_HTYPE(GLint)
807 FPTOOLS_CHECK_HTYPE(GLuint)
808 FPTOOLS_CHECK_HTYPE(GLsizei)
809 FPTOOLS_CHECK_HTYPE(GLenum)
810 FPTOOLS_CHECK_HTYPE(GLbitfield)
811 FPTOOLS_CHECK_HTYPE(GLfloat)
812 FPTOOLS_CHECK_HTYPE(GLclampf)
813 FPTOOLS_CHECK_HTYPE(GLdouble)
814 FPTOOLS_CHECK_HTYPE(GLclampd)
817 dnl ** can we open files in binary mode?
820 dnl ** check for GetModuleFileName and WinExec (windows only)
821 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName) dnl Windows
822 dnl Doesn't work because the linker can't see the functions if
823 dnl you omit the #include <windows.h>. (I've no idea why not...)
825 FPTOOLS_TRY_LINK_NOWARN(,[
836 if test "$have_winexec" = "1"; then
837 AC_DEFINE(HAVE_WINEXEC)
840 FPTOOLS_TRY_LINK_NOWARN(,[
846 GetModuleFileName((HMODULE)0,dir,0);
850 [have_getmodulefilename=1],
851 [have_getmodulefilename=0])
852 if test "$have_getmodulefilename" = "1"; then
853 AC_DEFINE(HAVE_GETMODULEFILENAME)
856 dnl ** check return type of signal handlers
857 dnl Foo: assumes we can use prototypes.
858 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
859 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
860 dnl [AC_TRY_COMPILE([#include <sys/types.h>
861 dnl #include <signal.h>
865 dnl void (*signal (int, void (*)(int)))(int);
868 dnl ac_cv_type_signal_handler=void_int,
869 dnl ac_cv_type_signal_handler=int_void)])
870 dnl if test "$ac_cv_type_signal_handler" = void_int; then
871 dnl AC_DEFINE(VOID_INT_SIGNALS)
874 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
876 if test "$ac_cv_type_signal" = void; then
877 AC_DEFINE(VOID_INT_SIGNALS)
880 dnl ** check for more functions
881 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
882 AC_CHECK_FUNCS(strcmp)
883 AC_CHECK_FUNCS(realpath _fullpath)
884 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
885 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
886 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
887 AC_CHECK_FUNCS(snprintf _snprintf )
888 AC_CHECK_FUNCS(popen _popen )
889 AC_CHECK_FUNCS(pclose _pclose )
892 dnl ** check for specific library functions that we are interested in
893 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise vfork localtime_r gmtime_r readdir_r)
895 dnl ** check whether this machine has gmp3 installed
896 AC_CHECK_LIB(gmp, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
897 AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp3,
898 HaveLibGmp=No; LibGmp=not-installed))
902 dnl ** check whether this machine has GNU regex in libc.
903 FPTOOLS_REGEX_IN_LIBC
905 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
906 dnl the order of these tests matters: bfd needs liberty
907 AC_CHECK_LIB(iberty, xmalloc)
908 AC_CHECK_LIB(bfd, bfd_init)
910 dnl ** check for readline, for Hugs and hslibs' Readline
911 dnl ncurses supersedes termcap and curses, but for compatibility,
912 dnl we have to check for all...
913 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
914 AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
915 AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
916 HaveLibTermcap=NO; LibTermcap=not-installed)))
918 if test $HaveLibTermcap = YES ; then
919 LIBS="-l$LibTermcap $LIBS"
920 AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
923 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
924 AC_DEFINE(HAVE_READLINE_LIBS,1)
925 LibsReadline="readline $LibTermcap"
927 AC_DEFINE(HAVE_READLINE_LIBS,0)
930 AC_SUBST(LibsReadline)
932 if test "$HaveLibReadline"; then
933 AC_CHECK_LIB(readline, rl_erase_empty_line,
934 [AC_DEFINE(HAVE_READLINE_4, 1)],
935 [AC_DEFINE(HAVE_READLINE_4, 0)])
936 AC_CHECK_LIB(readline, rl_free_undo_list,
937 [AC_DEFINE(HAVE_READLINE_4_2, 1)],
938 [AC_DEFINE(HAVE_READLINE_4_2, 0)])
940 AC_DEFINE(HAVE_READLINE_4, 0)
941 AC_DEFINE(HAVE_READLINE_4_2, 0)
944 dnl ** check for math library
954 dnl ################################################################
955 dnl Check for libraries
956 dnl ################################################################
958 AC_CHECK_LIB(dl, dlopen,
960 AC_DEFINE(HAVE_LIBDL)
963 AC_CHECK_FUNCS(dlopen)
966 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
968 dnl --------------------------------------------------
970 dnl --------------------------------------------------
972 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
973 if test "$GTK_CONFIG" != ""; then
974 AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
975 fptools_cv_gtk_version=`$GTK_CONFIG --version`
977 GTK_VERSION=$fptools_cv_gtk_version
982 case $fptools_cv_gtk_version in
984 *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
990 AC_SUBST(GTK_VERSION)
992 dnl --------------------------------------------------
993 dnl * Miscellaneous feature tests
994 dnl --------------------------------------------------
996 dnl ** can we get alloca?
999 dnl ** determine whether or not const works
1002 dnl ** determine whether ANSI-function prototypes work?
1005 dnl ** are we big endian?
1007 # Allay users' general fear of warnings of any kind.
1008 errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
1010 errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
1013 dnl ** check for leading underscores in symbol names
1016 dnl ** how is the end of text section signalled?
1017 FPTOOLS_END_TEXT_SECTION
1019 dnl ** how is the end of data section signalled?
1020 FPTOOLS_END_DATA_SECTION
1022 dnl ** code before data?
1023 FPTOOLS_CODE_BEFORE_DATA
1025 dnl ** check for ld, and whether ld has -x option
1026 AC_PATH_PROG(LdCmdRaw, ld)
1028 mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1030 *) LdCmd=${LdCmdRaw}
1036 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )