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
252 if test x"$UseSrcTreeHappy" = xYES; then
253 HappyCmd=$SrcTreeHappyCmd
255 AC_PATH_PROG(HappyCmd,happy,$SrcTreeHappyCmd)
257 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
259 [if test x"$HappyCmd" = x"$SrcTreeHappyCmd" -a -e $srcdir/happy/mk/version.mk; then
260 fptools_cv_happy_version=`grep '^ProjectVersion[ ]*=' $srcdir/happy/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
261 elif test x"$HappyCmd" != x; then
262 fptools_cv_happy_version="`$HappyCmd -v |
263 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
265 fptools_cv_happy_version="";
269 if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Parser.hs; then
270 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.14],
271 [AC_MSG_ERROR([Happy version 1.14 or later is required to compile GHC.])])[]dnl
273 HappyVersion=$fptools_cv_happy_version;
274 AC_SUBST(HappyVersion)
278 dnl Check for Haddock and version. If there's no installed Haddock, we look
279 dnl for a haddock source tree and point the build system at that instead.
281 AC_DEFUN(FPTOOLS_HADDOCK,
283 if test -d $srcdir/haddock; then
284 SrcTreeHaddockCmd=$hardtop/haddock/src/haddock-inplace
286 if test x"$UseSrcTreeHaddock" = xYES; then
287 HaddockCmd=$SrcTreeHaddockCmd
289 AC_PATH_PROG(HaddockCmd,haddock,$SrcTreeHaddockCmd)
291 dnl Darn, I forgot to make Haddock print out its version number when
292 dnl invoked with -v. We could try generating some HTML and grepping
293 dnl through that to find the version number, but I think we'll make
294 dnl do without it for now.
298 dnl Check for Alex and version. If we're building GHC, then we need
299 dnl at least Alex version 2.0. If there's no installed Alex, we look
300 dnl for a alex source tree and point the build system at that instead.
302 AC_DEFUN(FPTOOLS_ALEX,
304 if test -d $srcdir/alex; then
305 SrcTreeAlexCmd=$hardtop/alex/src/alex-inplace
307 if test x"$UseSrcTreeAlex" = xYES; then
308 AlexCmd=$SrcTreeAlexCmd
310 AC_PATH_PROG(AlexCmd,alex,$SrcTreeAlexCmd)
312 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
314 [if test x"$AlexCmd" = x"$SrcTreeAlexCmd"; then
315 fptools_cv_alex_version=`grep '^ProjectVersion[ ]*=' $srcdir/alex/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
316 elif test x"$AlexCmd" != x; then
317 fptools_cv_alex_version="`$AlexCmd -v |
318 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
320 fptools_cv_alex_version="";
324 if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Lexer.hs; then
325 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.0],
326 [AC_MSG_ERROR([Alex version 2.0 or later is required to compile GHC.])])[]dnl
328 AlexVersion=$fptools_cv_alex_version;
329 AC_SUBST(AlexVersion)
335 # Sets the output variable LdCmd to the (non-Cygwin version of the) full path
336 # of ld. Exits if no ld can be found
337 AC_DEFUN([FP_PROG_LD],
338 [AC_PATH_PROG([fp_prog_ld_raw], [ld])
339 if test -z "$fp_prog_ld_raw"; then
340 AC_MSG_ERROR([cannot find ld in your PATH, no idea how to link])
342 LdCmd=$fp_prog_ld_raw
343 case $HostPlatform in
344 *mingw32) if test x${OSTYPE} != xmsys; then
345 LdCmd="`cygpath -w ${fp_prog_ld_raw} | sed -e 's@\\\\@/@g'`"
346 AC_MSG_NOTICE([normalized ld command to $LdCmd])
356 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
357 # variable's value is empty.
358 AC_DEFUN([FP_PROG_LD_X],
359 [AC_REQUIRE([FP_PROG_LD])
360 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
361 [echo 'foo() {}' > conftest.c
362 ${CC-cc} -c conftest.c
363 if ${LdCmd} -r -x -o conftest2.o conftest.o; then
369 if test "$fp_cv_ld_x" = yes; then
380 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
382 AC_DEFUN([FP_PROG_LD_IS_GNU],
383 [AC_REQUIRE([FP_PROG_LD])
384 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
385 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
390 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
391 ])# FP_PROG_LD_IS_GNU
396 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
397 # version of it. Exits if no ar can be found
398 AC_DEFUN([FP_PROG_AR],
399 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
400 if test -z "$fp_prog_ar_raw"; then
401 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
403 fp_prog_ar=$fp_prog_ar_raw
404 case $HostPlatform in
405 *mingw32) if test x${OSTYPE} != xmsys; then
406 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
407 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
416 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
417 AC_DEFUN([FP_PROG_AR_IS_GNU],
418 [AC_REQUIRE([FP_PROG_AR])
419 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
420 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
421 fp_cv_prog_ar_is_gnu=yes
423 fp_cv_prog_ar_is_gnu=no
425 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
426 ])# FP_PROG_AR_IS_GNU
431 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
432 # to a non-Cygwin invocation of ar including these arguments.
433 AC_DEFUN([FP_PROG_AR_ARGS],
434 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
435 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
437 # GNU ar needs special treatment: it appears to have problems with
438 # object files with the same name if you use the 's' modifier, but
439 # simple 'ar q' works fine, and doesn't need a separate ranlib.
440 if test $fp_prog_ar_is_gnu = yes; then
441 fp_cv_prog_ar_args="q"
444 for fp_var in clqsZ clqs cqs clq cq ; do
446 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
447 fp_cv_prog_ar_args=$fp_var
452 if test -z "$fp_cv_prog_ar_args"; then
453 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
456 fp_prog_ar_args=$fp_cv_prog_ar_args
457 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
462 # FP_PROG_AR_NEEDS_RANLIB
463 # -----------------------
464 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
466 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
467 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
468 AC_REQUIRE([FP_PROG_AR_ARGS])
469 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
470 [if test $fp_prog_ar_is_gnu = yes; then
471 fp_cv_prog_ar_needs_ranlib=no
472 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
473 fp_cv_prog_ar_needs_ranlib=no
475 fp_cv_prog_ar_needs_ranlib=yes
477 if test $fp_cv_prog_ar_needs_ranlib = yes; then
483 ])# FP_PROG_AR_NEEDS_RANLIB
486 # FP_PROG_AR_SUPPORTS_INPUT
487 # -------------------------
488 # Sets the output variable ArSupportsInput to "-input" or "", depending on
489 # whether ar supports -input flag is supported or not.
490 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
491 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
492 AC_REQUIRE([FP_PROG_AR_ARGS])
493 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
494 [fp_cv_prog_ar_supports_input=no
495 if test $fp_prog_ar_is_gnu = no; then
498 if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
499 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
503 if test $fp_cv_prog_ar_supports_input = yes; then
504 ArSupportsInput="-input"
508 AC_SUBST([ArSupportsInput])
509 ])# FP_PROG_AR_SUPPORTS_INPUT
513 dnl AC_SHEBANG_PERL - can we she-bang perl?
515 AC_DEFUN(FPTOOLS_SHEBANG_PERL,
516 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
521 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
522 if test $? -ne 69; then
523 fptools_cv_shebang_perl=yes
525 fptools_cv_shebang_perl=no
533 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
534 # output variables HaveGcc and GccVersion.
535 AC_DEFUN([FP_HAVE_GCC],
536 [AC_REQUIRE([AC_PROG_CC])
537 AC_CACHE_CHECK([whether your gcc is OK], [fp_cv_have_gcc],
538 [if test -z "$GCC"; then
540 AC_MSG_WARN([You would be better off with gcc, perhaps it is already installed, but not in your PATH?])
543 gcc_version_str="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9]][[0-9]]*\)\.\([[0-9]][[0-9]]*\).*/\1\.\2/g' `"
544 FP_COMPARE_VERSIONS([$gcc_version_str], [-lt], [2.0],
545 [AC_MSG_ERROR([Need at least gcc version 2.0 (2.95.3 recommend)])])
547 AC_SUBST([HaveGcc], [`echo $fp_cv_have_gcc | sed 'y/yesno/YESNO/'`])
548 AC_SUBST([GccVersion], [`gcc --version | grep mingw | cut -f 3 -d ' '`])
551 AC_DEFUN([FP_MINGW_GCC],
554 mingw*) AC_MSG_CHECKING([whether $CC is a mingw gcc])
555 if $CC -v 2>&1 | grep mingw >/dev/null; then
559 AC_MSG_ERROR([Please use --with-gcc to specify a mingw gcc])
565 dnl Small feature test for perl version. Assumes PerlCmd
566 dnl contains path to perl binary
568 AC_DEFUN(FPTOOLS_CHECK_PERL_VERSION,
569 [$PerlCmd -v >conftest.out 2>&1
570 if grep "version 5" conftest.out >/dev/null 2>&1; then
573 if grep "v5.6" conftest.out >/dev/null 2>&1; then
576 if grep "v5.8" conftest.out >/dev/null 2>&1; then
579 if grep "version 6" conftest.out >/dev/null 2>&1; then
582 echo "Your version of perl probably won't work."
591 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
592 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
593 # -----------------------------------------------------
594 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
595 # of PROG-TO-CHECK-FOR when found.
596 AC_DEFUN([FP_CHECK_PROG],
597 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
603 # Find a non-WinDoze version of the "find" utility.
604 AC_DEFUN([FP_PROG_FIND],
605 [AC_PATH_PROG([fp_prog_find], [find])
606 echo foo > conftest.txt
607 $fp_prog_find conftest.txt -print > conftest.out 2>&1
608 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
609 # OK, looks like a real "find".
610 FindCmd="$fp_prog_find"
612 # Found a poor WinDoze version of "find", ignore it.
613 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
614 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
616 rm -f conftest.txt conftest.out
617 AC_SUBST([FindCmd])[]dnl
622 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
623 dnl values of the second argument to the result of running
624 dnl the commands given by the third. It does not cache its
625 dnl result, so it is suitable for checks which should be
628 AC_DEFUN(FPTOOLS_NOCACHE_CHECK,
629 [AC_MSG_CHECKING([$1])
631 AC_MSG_RESULT([$][$2])
635 dnl FPTOOLS_GHC_VERSION(version)
636 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
637 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
639 dnl Test for version of installed ghc. Uses $GHC.
640 dnl [original version pinched from c2hs]
642 AC_DEFUN(FPTOOLS_GHC_VERSION,
643 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
644 ["${WithGhc-ghc}" --version > conftestghc 2>&1
645 cat conftestghc >&AS_MESSAGE_LOG_FD
646 #Useless Use Of cat award...
647 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
649 if test "[$]fptools_version_of_ghc" = ""
651 fptools_version_of_ghc='unknown'
653 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
654 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
655 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
657 if test "[$]fptools_version_of_ghc[_pl]" = ""
659 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
660 fptools_version_of_ghc[_pl]="0"
662 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
666 [$1]="[$]fptools_version_of_ghc[_all]"
668 [$1]="[$]fptools_version_of_ghc[_major]"
669 [$2]="[$]fptools_version_of_ghc[_minor]"
671 [$1]="[$]fptools_version_of_ghc[_major]"
672 [$2]="[$]fptools_version_of_ghc[_minor]"
673 [$3]="[$]fptools_version_of_ghc[_pl]"
675 [$1]="[$]fptools_version_of_ghc[_all]"
676 [$2]="[$]fptools_version_of_ghc[_major]"
677 [$3]="[$]fptools_version_of_ghc[_minor]"
678 [$4]="[$]fptools_version_of_ghc[_pl]"
684 dnl ** Map an arithmetic C type to a Haskell type.
685 dnl Based on autconf's AC_CHECK_SIZEOF.
687 dnl FPTOOLS_CHECK_HTYPE(TYPE [, DEFAULT_VALUE, [, VALUE-FOR-CROSS-COMPILATION])
688 AC_DEFUN(FPTOOLS_CHECK_HTYPE,
689 [changequote(<<, >>)dnl
690 dnl The name to #define.
691 define(<<AC_TYPE_NAME>>, translit(htype_$1, [a-z *], [A-Z_P]))dnl
692 dnl The cache variable name.
693 define(<<AC_CV_NAME>>, translit(fptools_cv_htype_$1, [ *], [_p]))dnl
694 define(<<AC_CV_NAME_supported>>, translit(fptools_cv_htype_sup_$1, [ *], [_p]))dnl
696 AC_MSG_CHECKING(Haskell type for $1)
697 AC_CACHE_VAL(AC_CV_NAME,
698 [AC_CV_NAME_supported=yes
699 fp_check_htype_save_cppflags="$CPPFLAGS"
700 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
701 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
705 # include <sys/types.h>
713 # include <sys/stat.h>
729 # include <termios.h>
740 #if defined(HAVE_GL_GL_H)
742 #elif defined(HAVE_OPENGL_GL_H)
743 # include <OpenGL/gl.h>
746 #if defined(HAVE_AL_ALC_H)
748 #elif defined(HAVE_OPENAL_ALC_H)
749 # include <OpenAL/alc.h>
752 #if HAVE_SYS_RESOURCE_H
753 # include <sys/resource.h>
759 FILE *f=fopen("conftestval", "w");
761 if (((testing)((int)((testing)1.4))) == ((testing)1.4)) {
763 ((testing)(-1) < (testing)0) ? "Int" : "Word",
767 (sizeof(testing) > sizeof(double)) ? "LDouble" :
768 (sizeof(testing) == sizeof(double)) ? "Double" : "Float");
772 }]])],[AC_CV_NAME=`cat conftestval`],
773 [ifelse([$2], , [AC_CV_NAME=NotReallyAType; AC_CV_NAME_supported=no], [AC_CV_NAME=$2])],
774 [ifelse([$3], , [AC_CV_NAME=NotReallyATypeCross; AC_CV_NAME_supported=no], [AC_CV_NAME=$3])])]) dnl
775 CPPFLAGS="$fp_check_htype_save_cppflags"
776 if test "$AC_CV_NAME_supported" = yes; then
777 AC_MSG_RESULT($AC_CV_NAME)
778 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [Define to Haskell type for $1])
780 AC_MSG_RESULT([not supported])
782 undefine([AC_TYPE_NAME])dnl
783 undefine([AC_CV_NAME])dnl
784 undefine([AC_CV_NAME_supported])dnl
788 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
789 # ---------------------------------------------------------------------------------
790 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
791 # additional flexibility of specifying the PROLOGUE and BODY.
792 AC_DEFUN([FP_CHECK_FUNC],
793 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
794 AC_CACHE_CHECK([for $1], fp_func,
795 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
796 [AS_VAR_SET(fp_func, yes)],
797 [AS_VAR_SET(fp_func, no)])])
798 AS_IF([test AS_VAR_GET(fp_func) = yes],
799 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
800 [Define to 1 if you have the `]$1[' function.]) $4],
802 AS_VAR_POPDEF([fp_func])dnl
808 # Generates a DocBook XML V4.2 document in conftest.xml.
809 AC_DEFUN([FP_GEN_DOCBOOK_XML],
811 cat > conftest.xml << EOF
812 <?xml version="1.0" encoding="iso-8859-1"?>
813 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
814 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
816 <title>A DocBook Test Document</title>
817 <chapter id="id-one">
818 <title>A Chapter Title</title>
819 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
821 <chapter id="id-two">
822 <title>Another Chapter Title</title>
823 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
827 ]) # FP_GEN_DOCBOOK_XML
832 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
833 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
834 AC_DEFUN([FP_PROG_XSLTPROC],
835 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
836 if test -z "$XsltprocCmd"; then
837 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation])
842 # FP_DIR_DOCBOOK_XSL(XSL-DIRS)
843 # ----------------------------
844 # Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The
845 # output variable DIR_DOCBOOK_XSL will contain the first usable directory or
846 # will be empty if none could be found.
847 AC_DEFUN([FP_DIR_DOCBOOK_XSL],
848 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
849 if test -n "$XsltprocCmd"; then
850 AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl,
852 fp_cv_dir_docbook_xsl=no
854 if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then
855 fp_cv_dir_docbook_xsl=$fp_var
861 if test x"$fp_cv_dir_docbook_xsl" = xno; then
862 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
865 DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl
867 AC_SUBST([DIR_DOCBOOK_XSL])
868 ])# FP_DIR_DOCBOOK_XSL
873 # Sets the output variable XmllintCmd to the full path of the XSLT processor
874 # xmllint. XmllintCmd is empty if xmllint could not be found.
875 AC_DEFUN([FP_PROG_XMLLINT],
876 [AC_PATH_PROG([XmllintCmd], [xmllint])
877 if test -z "$XmllintCmd"; then
878 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
883 # FP_CHECK_DOCBOOK_DTD
884 # --------------------
885 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
886 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
887 if test -n "$XmllintCmd"; then
888 AC_MSG_CHECKING([for DocBook DTD])
890 if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then
893 AC_MSG_RESULT([failed])
894 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
895 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
899 ])# FP_CHECK_DOCBOOK_DTD
904 # Generates a formatting objects document in conftest.fo.
905 AC_DEFUN([FP_GEN_FO],
907 cat > conftest.fo << EOF
908 <?xml version="1.0"?>
909 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
910 <fo:layout-master-set>
911 <fo:simple-page-master master-name="blank">
913 </fo:simple-page-master>
914 </fo:layout-master-set>
915 <fo:page-sequence master-reference="blank">
916 <fo:flow flow-name="xsl-region-body">
929 # Set the output variable 'FopCmd' to the first working 'fop' in the current
930 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
931 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
932 AC_DEFUN([FP_PROG_FOP],
933 [AC_PATH_PROGS([FopCmd1], [fop])
934 if test -n "$FopCmd1"; then
935 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
937 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
938 fp_cv_fop_usability=yes
940 fp_cv_fop_usability=no
943 if test x"$fp_cv_fop_usability" = xyes; then
947 if test -z "$FopCmd"; then
948 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
955 # FP_PROG_FO_PROCESSOR
956 # --------------------
957 # Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so
958 # try FOP first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd, and
960 AC_DEFUN([FP_PROG_FO_PROCESSOR],
961 [AC_REQUIRE([FP_PROG_FOP])
962 AC_PATH_PROG([XmltexCmd], [xmltex])
963 AC_PATH_PROG([DvipsCmd], [dvips])
964 if test -z "$FopCmd"; then
965 if test -z "$XmltexCmd"; then
966 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation])
968 if test -z "$DvipsCmd"; then
969 AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation])
972 AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex])
973 if test -z "$PdfxmltexCmd"; then
974 AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation])
976 elif test -z "$XmltexCmd"; then
977 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation])
979 ])# FP_PROG_FO_PROCESSOR
984 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
985 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
986 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
987 AC_DEFUN([FP_PROG_GHC_PKG],
988 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
989 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
990 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
991 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
993 fp_cv_matching_ghc_pkg=no
995 if test x"$fp_cv_matching_ghc_pkg" = xno; then
996 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
998 GhcPkgCmd=$fp_cv_matching_ghc_pkg
999 fi])# FP_PROG_GHC_PKG