1 # Extra autoconf macros for the Glasgow fptools
3 # To be a good autoconf citizen, names of local macros have prefixed with FP_ to
4 # ensure we don't clash with any pre-supplied autoconf ones.
7 # FP_EVAL_STDERR(COMMAND)
8 # -----------------------
9 # Eval COMMAND, save its stderr (without lines resulting from shell tracing)
10 # into the file conftest.err and the exit status in the variable fp_status.
11 AC_DEFUN([FP_EVAL_STDERR],
12 [{ (eval $1) 2>conftest.er1
14 grep -v '^ *+' conftest.er1 >conftest.err
16 (exit $fp_status); }[]dnl
20 # FP_CHECK_FLAG(FLAG, [ACTION-IF-SUPPORTED], [ACTION-IF-NOT-SUPPORTED])
21 # ---------------------------------------------------------------------
22 # Check to see whether the compiler for the current language supports a
25 # Implementation note: When given an unkown option, GCC issues an warning on
26 # stderr only, but returns an exit value of 0 nevertheless. Consequently we have
27 # to check stderr *and* the exit value.
30 AC_DEFUN([FP_CHECK_FLAG],
31 [AC_LANG_COMPILER_REQUIRE()dnl
32 AC_LANG_CASE([C], [fp_compiler="$CC" m4_pushdef([fp_Flags], [CFLAGS])],
33 [C++], [fp_compiler="$CXX" m4_pushdef([fp_Flags], [CXXFLAGS])],
34 [Fortran 77], [fp_compiler="$F77" m4_pushdef([fp_Flags], [FFLAGS])])
35 m4_pushdef([fp_Cache], [fp_cv_[]fp_Flags[]AS_TR_SH([$1])])[]dnl
36 AC_CACHE_CHECK([whether $fp_compiler accepts $1], [fp_Cache],
37 [AC_LANG_CONFTEST([AC_LANG_PROGRAM()])
38 fp_save_flags="$fp_Flags"
39 fp_Flags="$fp_Flags $1"
41 if FP_EVAL_STDERR([$ac_compile conftest.$ac_ext]) >/dev/null; then
42 test -s conftest.err || fp_Cache=yes
44 fp_Flags="$fp_save_flags"
45 rm -f conftest.err conftest.$ac_ext])
46 AS_IF([test $fp_Cache = yes], [$2], [$3])[]dnl
47 m4_popdef([fp_Cache])[]dnl
48 m4_popdef([fp_Flags])[]dnl
52 # FP_PROG_CONTEXT_DIFF
53 # --------------------
54 # Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
56 # Note: NeXTStep thinks diff'ing a file against itself is "trouble".
58 # Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
59 AC_DEFUN([FP_PROG_CONTEXT_DIFF],
60 [AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
64 for fp_var in '-C 1' '-c1'
66 if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
67 fp_cv_context_diff="diff $fp_var"
71 if test x"$fp_cv_context_diff" = xno; then
72 AC_MSG_ERROR([cannot figure out how to do context diffs])
74 AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
75 ])# FP_PROG_CONTEXT_DIFF
80 # Defines HAVE_DECL_ALTZONE to 1 if declared, 0 otherwise.
82 # Used by base package.
83 AC_DEFUN([FP_DECL_ALTZONE],
84 [AC_REQUIRE([AC_HEADER_TIME])dnl
85 AC_CHECK_HEADERS([sys/time.h])
86 AC_CHECK_DECLS([altzone], [], [],[#if TIME_WITH_SYS_TIME
87 # include <sys/time.h>
91 # include <sys/time.h>
99 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
100 # --------------------------------------------------------
101 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
102 # compilation. Execute IF-FAILS when unable to determine the value. Works for
103 # cross-compilation, too.
105 # Implementation note: We are lazy and use an internal autoconf macro, but it
106 # is supported in autoconf versions 2.50 up to the actual 2.57, so there is
108 AC_DEFUN([FP_COMPUTE_INT],
109 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
113 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
114 # ------------------------------------------------------------------
115 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
116 # given type. Defines ALIGNMENT_TYPE.
117 AC_DEFUN([FP_CHECK_ALIGNMENT],
118 [AS_LITERAL_IF([$1], [],
119 [AC_FATAL([$0: requires literal arguments])])[]dnl
120 AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
121 m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
122 AC_CACHE_CHECK([alignment of $1], [fp_Cache],
123 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
124 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
126 [AC_INCLUDES_DEFAULT([$3])],
127 [AC_MSG_ERROR([cannot compute alignment ($1)
128 See `config.log' for more details.], [77])])
132 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
133 m4_popdef([fp_Cache])[]dnl
134 ])# FP_CHECK_ALIGNMENT
137 # FP_LEADING_UNDERSCORE
138 # ---------------------
139 # Test for determining whether symbol names have a leading underscore. We assume
140 # that they _haven't_ if anything goes wrong. Sets the output variable
141 # LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
143 # Some nlist implementations seem to try to be compatible by ignoring a leading
144 # underscore sometimes (eg. FreeBSD). We therefore have to work around this by
145 # checking for *no* leading underscore first. Sigh. --SDM
147 # Similarly on OpenBSD, but this test doesn't help. -- dons
148 AC_DEFUN([FP_LEADING_UNDERSCORE],
149 [AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
150 AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
151 # Hack!: nlist() under Digital UNIX insist on there being an _,
152 # but symbol table listings shows none. What is going on here?!?
154 # Another hack: cygwin doesn't come with nlist.h , so we hardwire
155 # the underscoredness of that "platform"
156 case $HostPlatform in
157 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
159 i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
160 *) fptools_cv_leading_underscore=no ;;
162 alpha-dec-osf*) fptools_cv_leading_underscore=no;;
163 *cygwin32) fptools_cv_leading_underscore=yes;;
164 *mingw32) fptools_cv_leading_underscore=yes;;
165 *) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
167 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
168 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
176 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
178 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
182 }]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
185 AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
186 if test x"$fptools_cv_leading_underscore" = xyes; then
187 AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
188 fi])# FP_LEADING_UNDERSCORE
191 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
192 # ----------------------------------------------------------------------------------
193 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
194 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
195 AC_DEFUN([FP_COMPARE_VERSIONS],
196 [fp_version1=$1; fp_version2=$3
197 fp_save_IFS=$IFS; IFS='.'
198 while test x"$fp_version1" != x || test x"$fp_version2" != x
201 set dummy $fp_version1; shift
203 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
204 test x"$fp_num1" = x && fp_num1="0"
207 set dummy $fp_version2; shift
209 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
210 test x"$fp_num2" = x && fp_num2="0"
213 test "$fp_num1" = "$fp_num2" || break;
216 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
217 ])# FP_COMPARE_VERSIONS
221 dnl Check for GreenCard and version.
223 AC_DEFUN([FPTOOLS_GREENCARD],
225 AC_PATH_PROG(GreenCardCmd,greencard)
226 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
228 [if test x"$GreenCardCmd" != x; then
229 fptools_cv_greencard_version="`$GreenCardCmd --version |
230 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
232 fptools_cv_greencard_version=""
236 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
237 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
238 GreenCardVersion=$fptools_cv_greencard_version
239 AC_SUBST(GreenCardVersion)
243 dnl Check for Happy and version. If we're building GHC, then we need
244 dnl at least Happy version 1.14. If there's no installed Happy, we look
245 dnl for a happy source tree and point the build system at that instead.
247 AC_DEFUN([FPTOOLS_HAPPY],
249 if test -d $srcdir/happy; then
250 SrcTreeHappyCmd=$hardtop/happy/src/happy-inplace
254 if test x"$UseSrcTreeHappy" = xYES; then
255 if test x"$SrcTreeHappyCmd" != x; then
256 HappyCmd=$SrcTreeHappyCmd
258 AC_MSG_ERROR([--enable-src-tree-happy given, but happy not found in source tree])
261 AC_PATH_PROG(HappyCmd,happy,$SrcTreeHappyCmd)
263 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
265 [if test x"$HappyCmd" = x"$SrcTreeHappyCmd" -a -e $srcdir/happy/mk/version.mk; then
266 fptools_cv_happy_version=`grep '^ProjectVersion[ ]*=' $srcdir/happy/mk/version.mk | sed 's/[^0-9]*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
267 elif test x"$HappyCmd" != x; then
268 fptools_cv_happy_version="`$HappyCmd -v |
269 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
271 fptools_cv_happy_version="";
275 if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Parser.hs; then
276 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.15],
277 [AC_MSG_ERROR([Happy version 1.15 or later is required to compile GHC.])])[]dnl
279 HappyVersion=$fptools_cv_happy_version;
280 AC_SUBST(HappyVersion)
284 dnl Check for Haddock and version. If there's no installed Haddock, we look
285 dnl for a haddock source tree and point the build system at that instead.
287 AC_DEFUN([FPTOOLS_HADDOCK],
289 if test -d $srcdir/haddock; then
290 SrcTreeHaddockCmd=$hardtop/haddock/src/haddock-inplace
294 if test x"$UseSrcTreeHaddock" = xYES; then
295 if test x"$SrcTreeHaddockCmd" != x; then
296 HaddockCmd=$SrcTreeHaddockCmd
298 AC_MSG_ERROR([--enable-src-tree-haddock given, but haddock not found in source tree])
301 AC_PATH_PROG(HaddockCmd,haddock,$SrcTreeHaddockCmd)
303 dnl Darn, I forgot to make Haddock print out its version number when
304 dnl invoked with -v. We could try generating some HTML and grepping
305 dnl through that to find the version number, but I think we'll make
306 dnl do without it for now.
310 dnl Check for Alex and version. If we're building GHC, then we need
311 dnl at least Alex version 2.0. If there's no installed Alex, we look
312 dnl for a alex source tree and point the build system at that instead.
314 AC_DEFUN([FPTOOLS_ALEX],
316 if test -d $srcdir/alex; then
317 SrcTreeAlexCmd=$hardtop/alex/src/alex-inplace
321 if test x"$UseSrcTreeAlex" = xYES; then
322 if test x"$SrcTreeAlexCmd" != x; then
323 AlexCmd=$SrcTreeAlexCmd
325 AC_MSG_ERROR([--enable-src-tree-alex given, but alex not found in source tree])
328 AC_PATH_PROG(AlexCmd,alex,$SrcTreeAlexCmd)
330 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
332 [if test x"$AlexCmd" = x"$SrcTreeAlexCmd"; then
333 fptools_cv_alex_version=`grep '^ProjectVersion[ ]*=' $srcdir/alex/mk/version.mk | sed 's/[^0-9]*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
334 elif test x"$AlexCmd" != x; then
335 fptools_cv_alex_version="`$AlexCmd -v |
336 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
338 fptools_cv_alex_version="";
342 if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Lexer.hs; then
343 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.0],
344 [AC_MSG_ERROR([Alex version 2.0 or later is required to compile GHC.])])[]dnl
346 AlexVersion=$fptools_cv_alex_version;
347 AC_SUBST(AlexVersion)
353 # Sets the output variable LdCmd to the (non-Cygwin version of the) full path
354 # of ld. Exits if no ld can be found
355 AC_DEFUN([FP_PROG_LD],
356 [AC_PATH_PROG([fp_prog_ld_raw], [ld])
357 if test -z "$fp_prog_ld_raw"; then
358 AC_MSG_ERROR([cannot find ld in your PATH, no idea how to link])
360 LdCmd=$fp_prog_ld_raw
361 case $HostPlatform in
362 *mingw32) if test x${OSTYPE} != xmsys; then
363 LdCmd="`cygpath -w ${fp_prog_ld_raw} | sed -e 's@\\\\@/@g'`"
364 AC_MSG_NOTICE([normalized ld command to $LdCmd])
366 # Insist on >= ld-2.15.x, since earlier versions doesn't handle
367 # the generation of relocatable object files with large amounts
368 # of relocations correctly. (cf. HSbase.o splittage-hack)
369 fp_prog_ld_version=`${LdCmd} --version | sed -n '/GNU ld/p' | tr -cd 0-9 | cut -b1-3`
370 FP_COMPARE_VERSIONS([$fp_prog_ld_version],[-lt],[214],
371 [AC_MSG_ERROR([GNU ld version later than 2.14 required to compile GHC on Windows.])])[]dnl
380 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
381 # variable's value is empty.
382 AC_DEFUN([FP_PROG_LD_X],
383 [AC_REQUIRE([FP_PROG_LD])
384 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
385 [echo 'foo() {}' > conftest.c
386 ${CC-cc} -c conftest.c
387 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
393 if test "$fp_cv_ld_x" = yes; then
404 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
406 AC_DEFUN([FP_PROG_LD_IS_GNU],
407 [AC_REQUIRE([FP_PROG_LD])
408 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
409 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
414 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
415 ])# FP_PROG_LD_IS_GNU
420 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
421 # version of it. Exits if no ar can be found
422 AC_DEFUN([FP_PROG_AR],
423 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
424 if test -z "$fp_prog_ar_raw"; then
425 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
427 fp_prog_ar=$fp_prog_ar_raw
428 case $HostPlatform in
429 *mingw32) if test x${OSTYPE} != xmsys; then
430 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
431 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
440 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
441 AC_DEFUN([FP_PROG_AR_IS_GNU],
442 [AC_REQUIRE([FP_PROG_AR])
443 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
444 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
445 fp_cv_prog_ar_is_gnu=yes
447 fp_cv_prog_ar_is_gnu=no
449 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
450 ])# FP_PROG_AR_IS_GNU
455 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
456 # to a non-Cygwin invocation of ar including these arguments.
457 AC_DEFUN([FP_PROG_AR_ARGS],
458 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
459 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
461 # GNU ar needs special treatment: it appears to have problems with
462 # object files with the same name if you use the 's' modifier, but
463 # simple 'ar q' works fine, and doesn't need a separate ranlib.
464 if test $fp_prog_ar_is_gnu = yes; then
465 fp_cv_prog_ar_args="q"
468 for fp_var in clqsZ clqs cqs clq cq ; do
470 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
471 fp_cv_prog_ar_args=$fp_var
476 if test -z "$fp_cv_prog_ar_args"; then
477 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
480 fp_prog_ar_args=$fp_cv_prog_ar_args
481 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
486 # FP_PROG_AR_NEEDS_RANLIB
487 # -----------------------
488 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
490 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
491 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
492 AC_REQUIRE([FP_PROG_AR_ARGS])
493 AC_REQUIRE([AC_PROG_CC])
494 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
495 [if test $fp_prog_ar_is_gnu = yes; then
496 fp_cv_prog_ar_needs_ranlib=no
497 elif test $TargetPlatform = powerpc-apple-darwin; then
498 # It's quite tedious to check for Apple's crazy timestamps in .a files,
500 fp_cv_prog_ar_needs_ranlib=yes
501 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
502 fp_cv_prog_ar_needs_ranlib=no
504 fp_cv_prog_ar_needs_ranlib=yes
506 if test $fp_cv_prog_ar_needs_ranlib = yes; then
512 ])# FP_PROG_AR_NEEDS_RANLIB
515 # FP_PROG_AR_SUPPORTS_INPUT
516 # -------------------------
517 # Sets the output variable ArSupportsInput to "-input" or "", depending on
518 # whether ar supports -input flag is supported or not.
519 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
520 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
521 AC_REQUIRE([FP_PROG_AR_ARGS])
522 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
523 [fp_cv_prog_ar_supports_input=no
524 if test $fp_prog_ar_is_gnu = no; then
527 if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
528 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
532 if test $fp_cv_prog_ar_supports_input = yes; then
533 ArSupportsInput="-input"
537 AC_SUBST([ArSupportsInput])
538 ])# FP_PROG_AR_SUPPORTS_INPUT
542 dnl AC_SHEBANG_PERL - can we she-bang perl?
544 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
545 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
550 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
551 if test $? -ne 69; then
552 fptools_cv_shebang_perl=yes
554 fptools_cv_shebang_perl=no
562 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
563 # output variables HaveGcc and GccVersion.
564 AC_DEFUN([FP_HAVE_GCC],
565 [AC_REQUIRE([AC_PROG_CC])
566 if test -z "$GCC"; then
571 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
572 AC_MSG_ERROR([gcc is required])
574 AC_CACHE_CHECK([version of gcc], [fp_gcc_version],
575 [if test "$fp_have_gcc" = "YES"; then
576 fp_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
577 FP_COMPARE_VERSIONS([$fp_gcc_version], [-lt], [2.0],
578 [AC_MSG_ERROR([Need at least gcc version 2.0 (3.4+ recommended)])])
580 fp_gcc_version="not-installed"
583 AC_SUBST([HaveGcc], [$fp_have_gcc])
584 AC_SUBST([GccVersion], [$fp_gcc_version])
587 AC_DEFUN([FP_MINGW_GCC],
590 mingw*) AC_MSG_CHECKING([whether $CC is a mingw gcc])
591 if $CC -v 2>&1 | grep mingw >/dev/null; then
595 AC_MSG_ERROR([Please use --with-gcc to specify a mingw gcc])
601 dnl Small feature test for perl version. Assumes PerlCmd
602 dnl contains path to perl binary
604 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
605 [$PerlCmd -v >conftest.out 2>&1
606 if grep "v5.6" conftest.out >/dev/null 2>&1; then
609 if grep "v5.8" conftest.out >/dev/null 2>&1; then
612 if grep "version 6" conftest.out >/dev/null 2>&1; then
615 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
623 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
624 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
625 # -----------------------------------------------------
626 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
627 # of PROG-TO-CHECK-FOR when found.
628 AC_DEFUN([FP_CHECK_PROG],
629 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
635 # Find a non-WinDoze version of the "find" utility.
636 AC_DEFUN([FP_PROG_FIND],
637 [AC_PATH_PROG([fp_prog_find], [find])
638 echo foo > conftest.txt
639 $fp_prog_find conftest.txt -print > conftest.out 2>&1
640 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
641 # OK, looks like a real "find".
642 FindCmd="$fp_prog_find"
644 # Found a poor WinDoze version of "find", ignore it.
645 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
646 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
648 rm -f conftest.txt conftest.out
649 AC_SUBST([FindCmd])[]dnl
655 # Find a Unix-like sort
656 AC_DEFUN([FP_PROG_SORT],
657 [AC_PATH_PROG([fp_prog_sort], [sort])
658 echo conwip > conftest.txt
659 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
660 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
662 SortCmd="$fp_prog_sort"
664 # Summink else..pick next one.
665 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
666 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
668 rm -f conftest.txt conftest.out
669 AC_SUBST([SortCmd])[]dnl
673 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
674 dnl values of the second argument to the result of running
675 dnl the commands given by the third. It does not cache its
676 dnl result, so it is suitable for checks which should be
679 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
680 [AC_MSG_CHECKING([$1])
682 AC_MSG_RESULT([$][$2])
686 dnl FPTOOLS_GHC_VERSION(version)
687 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
688 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
690 dnl Test for version of installed ghc. Uses $GHC.
691 dnl [original version pinched from c2hs]
693 AC_DEFUN([FPTOOLS_GHC_VERSION],
694 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
695 ["${WithGhc-ghc}" --version > conftestghc 2>&1
696 cat conftestghc >&AS_MESSAGE_LOG_FD
697 #Useless Use Of cat award...
698 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
700 if test "[$]fptools_version_of_ghc" = ""
702 fptools_version_of_ghc='unknown'
704 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
705 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
706 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
708 if test "[$]fptools_version_of_ghc[_pl]" = ""
710 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
711 fptools_version_of_ghc[_pl]="0"
713 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
717 [$1]="[$]fptools_version_of_ghc[_all]"
719 [$1]="[$]fptools_version_of_ghc[_major]"
720 [$2]="[$]fptools_version_of_ghc[_minor]"
722 [$1]="[$]fptools_version_of_ghc[_major]"
723 [$2]="[$]fptools_version_of_ghc[_minor]"
724 [$3]="[$]fptools_version_of_ghc[_pl]"
726 [$1]="[$]fptools_version_of_ghc[_all]"
727 [$2]="[$]fptools_version_of_ghc[_major]"
728 [$3]="[$]fptools_version_of_ghc[_minor]"
729 [$4]="[$]fptools_version_of_ghc[_pl]"
735 dnl ** Map an arithmetic C type to a Haskell type.
736 dnl Based on autconf's AC_CHECK_SIZEOF.
738 dnl FPTOOLS_CHECK_HTYPE(TYPE [, DEFAULT_VALUE, [, VALUE-FOR-CROSS-COMPILATION])
739 AC_DEFUN([FPTOOLS_CHECK_HTYPE],
740 [changequote(<<, >>)dnl
741 dnl The name to #define.
742 define(<<AC_TYPE_NAME>>, translit(htype_$1, [a-z *], [A-Z_P]))dnl
743 dnl The cache variable name.
744 define(<<AC_CV_NAME>>, translit(fptools_cv_htype_$1, [ *], [_p]))dnl
745 define(<<AC_CV_NAME_supported>>, translit(fptools_cv_htype_sup_$1, [ *], [_p]))dnl
747 AC_MSG_CHECKING(Haskell type for $1)
748 AC_CACHE_VAL(AC_CV_NAME,
749 [AC_CV_NAME_supported=yes
750 fp_check_htype_save_cppflags="$CPPFLAGS"
751 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
752 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
756 # include <sys/types.h>
764 # include <sys/stat.h>
780 # include <termios.h>
791 #if defined(HAVE_GL_GL_H)
793 #elif defined(HAVE_OPENGL_GL_H)
794 # include <OpenGL/gl.h>
797 #if defined(HAVE_AL_AL_H)
799 #elif defined(HAVE_OPENAL_AL_H)
800 # include <OpenAL/al.h>
803 #if defined(HAVE_AL_ALC_H)
805 #elif defined(HAVE_OPENAL_ALC_H)
806 # include <OpenAL/alc.h>
809 #if HAVE_SYS_RESOURCE_H
810 # include <sys/resource.h>
816 FILE *f=fopen("conftestval", "w");
818 if (((testing)((int)((testing)1.4))) == ((testing)1.4)) {
820 ((testing)(-1) < (testing)0) ? "Int" : "Word",
824 (sizeof(testing) > sizeof(double)) ? "LDouble" :
825 (sizeof(testing) == sizeof(double)) ? "Double" : "Float");
829 }]])],[AC_CV_NAME=`cat conftestval`],
830 [ifelse([$2], , [AC_CV_NAME=NotReallyAType; AC_CV_NAME_supported=no], [AC_CV_NAME=$2])],
831 [ifelse([$3], , [AC_CV_NAME=NotReallyATypeCross; AC_CV_NAME_supported=no], [AC_CV_NAME=$3])])
832 CPPFLAGS="$fp_check_htype_save_cppflags"]) dnl
833 if test "$AC_CV_NAME_supported" = yes; then
834 AC_MSG_RESULT($AC_CV_NAME)
835 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [Define to Haskell type for $1])
837 AC_MSG_RESULT([not supported])
839 undefine([AC_TYPE_NAME])dnl
840 undefine([AC_CV_NAME])dnl
841 undefine([AC_CV_NAME_supported])dnl
845 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
846 # ---------------------------------------------------------------------------------
847 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
848 # additional flexibility of specifying the PROLOGUE and BODY.
849 AC_DEFUN([FP_CHECK_FUNC],
850 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
851 AC_CACHE_CHECK([for $1], fp_func,
852 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
853 [AS_VAR_SET(fp_func, yes)],
854 [AS_VAR_SET(fp_func, no)])])
855 AS_IF([test AS_VAR_GET(fp_func) = yes],
856 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
857 [Define to 1 if you have the `]$1[' function.]) $4],
859 AS_VAR_POPDEF([fp_func])dnl
865 # Generates a DocBook XML V4.2 document in conftest.xml.
866 AC_DEFUN([FP_GEN_DOCBOOK_XML],
868 cat > conftest.xml << EOF
869 <?xml version="1.0" encoding="iso-8859-1"?>
870 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
871 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
873 <title>A DocBook Test Document</title>
874 <chapter id="id-one">
875 <title>A Chapter Title</title>
876 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
878 <chapter id="id-two">
879 <title>Another Chapter Title</title>
880 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
884 ]) # FP_GEN_DOCBOOK_XML
889 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
890 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
891 AC_DEFUN([FP_PROG_XSLTPROC],
892 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
893 if test -z "$XsltprocCmd"; then
894 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation])
899 # FP_DIR_DOCBOOK_XSL(XSL-DIRS)
900 # ----------------------------
901 # Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The
902 # output variable DIR_DOCBOOK_XSL will contain the first usable directory or
903 # will be empty if none could be found.
904 AC_DEFUN([FP_DIR_DOCBOOK_XSL],
905 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
906 if test -n "$XsltprocCmd"; then
907 AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl,
909 fp_cv_dir_docbook_xsl=no
911 if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then
912 fp_cv_dir_docbook_xsl=$fp_var
918 if test x"$fp_cv_dir_docbook_xsl" = xno; then
919 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
922 DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl
924 AC_SUBST([DIR_DOCBOOK_XSL])
925 ])# FP_DIR_DOCBOOK_XSL
930 # Sets the output variable XmllintCmd to the full path of the XSLT processor
931 # xmllint. XmllintCmd is empty if xmllint could not be found.
932 AC_DEFUN([FP_PROG_XMLLINT],
933 [AC_PATH_PROG([XmllintCmd], [xmllint])
934 if test -z "$XmllintCmd"; then
935 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
940 # FP_CHECK_DOCBOOK_DTD
941 # --------------------
942 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
943 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
944 if test -n "$XmllintCmd"; then
945 AC_MSG_CHECKING([for DocBook DTD])
947 if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then
950 AC_MSG_RESULT([failed])
951 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
952 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
956 ])# FP_CHECK_DOCBOOK_DTD
961 # Generates a formatting objects document in conftest.fo.
962 AC_DEFUN([FP_GEN_FO],
964 cat > conftest.fo << EOF
965 <?xml version="1.0"?>
966 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
967 <fo:layout-master-set>
968 <fo:simple-page-master master-name="blank">
970 </fo:simple-page-master>
971 </fo:layout-master-set>
972 <fo:page-sequence master-reference="blank">
973 <fo:flow flow-name="xsl-region-body">
986 # Set the output variable 'FopCmd' to the first working 'fop' in the current
987 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
988 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
989 AC_DEFUN([FP_PROG_FOP],
990 [AC_PATH_PROGS([FopCmd1], [fop])
991 if test -n "$FopCmd1"; then
992 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
994 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
995 fp_cv_fop_usability=yes
997 fp_cv_fop_usability=no
1000 if test x"$fp_cv_fop_usability" = xyes; then
1004 if test -z "$FopCmd"; then
1005 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
1012 # FP_PROG_FO_PROCESSOR
1013 # --------------------
1014 # Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so
1015 # try FOP first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd, and
1017 AC_DEFUN([FP_PROG_FO_PROCESSOR],
1018 [AC_REQUIRE([FP_PROG_FOP])
1019 AC_PATH_PROG([XmltexCmd], [xmltex])
1020 AC_PATH_PROG([DvipsCmd], [dvips])
1021 if test -z "$FopCmd"; then
1022 if test -z "$XmltexCmd"; then
1023 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation])
1025 if test -z "$DvipsCmd"; then
1026 AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation])
1029 AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex])
1030 if test -z "$PdfxmltexCmd"; then
1031 AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation])
1033 elif test -z "$XmltexCmd"; then
1034 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation])
1036 ])# FP_PROG_FO_PROCESSOR
1041 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
1042 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
1043 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
1044 AC_DEFUN([FP_PROG_GHC_PKG],
1045 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
1046 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
1047 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
1048 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
1050 fp_cv_matching_ghc_pkg=no
1052 if test x"$fp_cv_matching_ghc_pkg" = xno; then
1053 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
1055 GhcPkgCmd=$fp_cv_matching_ghc_pkg
1056 fi])# FP_PROG_GHC_PKG