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/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\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/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\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])
374 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
375 # variable's value is empty.
376 AC_DEFUN([FP_PROG_LD_X],
377 [AC_REQUIRE([FP_PROG_LD])
378 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
379 [echo 'foo() {}' > conftest.c
380 ${CC-cc} -c conftest.c
381 if ${LdCmd} -r -x -o conftest2.o conftest.o; then
387 if test "$fp_cv_ld_x" = yes; then
398 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
400 AC_DEFUN([FP_PROG_LD_IS_GNU],
401 [AC_REQUIRE([FP_PROG_LD])
402 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
403 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
408 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
409 ])# FP_PROG_LD_IS_GNU
414 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
415 # version of it. Exits if no ar can be found
416 AC_DEFUN([FP_PROG_AR],
417 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
418 if test -z "$fp_prog_ar_raw"; then
419 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
421 fp_prog_ar=$fp_prog_ar_raw
422 case $HostPlatform in
423 *mingw32) if test x${OSTYPE} != xmsys; then
424 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
425 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
434 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
435 AC_DEFUN([FP_PROG_AR_IS_GNU],
436 [AC_REQUIRE([FP_PROG_AR])
437 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
438 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
439 fp_cv_prog_ar_is_gnu=yes
441 fp_cv_prog_ar_is_gnu=no
443 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
444 ])# FP_PROG_AR_IS_GNU
449 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
450 # to a non-Cygwin invocation of ar including these arguments.
451 AC_DEFUN([FP_PROG_AR_ARGS],
452 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
453 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
455 # GNU ar needs special treatment: it appears to have problems with
456 # object files with the same name if you use the 's' modifier, but
457 # simple 'ar q' works fine, and doesn't need a separate ranlib.
458 if test $fp_prog_ar_is_gnu = yes; then
459 fp_cv_prog_ar_args="q"
462 for fp_var in clqsZ clqs cqs clq cq ; do
464 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
465 fp_cv_prog_ar_args=$fp_var
470 if test -z "$fp_cv_prog_ar_args"; then
471 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
474 fp_prog_ar_args=$fp_cv_prog_ar_args
475 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
480 # FP_PROG_AR_NEEDS_RANLIB
481 # -----------------------
482 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
484 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
485 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
486 AC_REQUIRE([FP_PROG_AR_ARGS])
487 AC_REQUIRE([AC_PROG_CC])
488 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
489 [if test $fp_prog_ar_is_gnu = yes; then
490 fp_cv_prog_ar_needs_ranlib=no
491 elif test $TargetPlatform = powerpc-apple-darwin; then
492 # It's quite tedious to check for Apple's crazy timestamps in .a files,
494 fp_cv_prog_ar_needs_ranlib=yes
495 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
496 fp_cv_prog_ar_needs_ranlib=no
498 fp_cv_prog_ar_needs_ranlib=yes
500 if test $fp_cv_prog_ar_needs_ranlib = yes; then
506 ])# FP_PROG_AR_NEEDS_RANLIB
509 # FP_PROG_AR_SUPPORTS_INPUT
510 # -------------------------
511 # Sets the output variable ArSupportsInput to "-input" or "", depending on
512 # whether ar supports -input flag is supported or not.
513 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
514 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
515 AC_REQUIRE([FP_PROG_AR_ARGS])
516 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
517 [fp_cv_prog_ar_supports_input=no
518 if test $fp_prog_ar_is_gnu = no; then
521 if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
522 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
526 if test $fp_cv_prog_ar_supports_input = yes; then
527 ArSupportsInput="-input"
531 AC_SUBST([ArSupportsInput])
532 ])# FP_PROG_AR_SUPPORTS_INPUT
536 dnl AC_SHEBANG_PERL - can we she-bang perl?
538 AC_DEFUN(FPTOOLS_SHEBANG_PERL,
539 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
544 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
545 if test $? -ne 69; then
546 fptools_cv_shebang_perl=yes
548 fptools_cv_shebang_perl=no
556 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
557 # output variables HaveGcc and GccVersion.
558 AC_DEFUN([FP_HAVE_GCC],
559 [AC_REQUIRE([AC_PROG_CC])
560 if test -z "$GCC"; then
565 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
566 AC_MSG_ERROR([gcc is required])
568 AC_CACHE_CHECK([version of gcc], [fp_gcc_version],
569 [if test "$fp_have_gcc" = "YES"; then
570 fp_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9]][[0-9]]*\(\.[[0-9]][[0-9]]*\)*\).*/\1/g' `"
571 FP_COMPARE_VERSIONS([$fp_gcc_version], [-lt], [2.0],
572 [AC_MSG_ERROR([Need at least gcc version 2.0 (3.4+ recommended)])])
574 fp_gcc_version="not-installed"
577 AC_SUBST([HaveGcc], [$fp_have_gcc])
578 AC_SUBST([GccVersion], [$fp_gcc_version])
581 AC_DEFUN([FP_MINGW_GCC],
584 mingw*) AC_MSG_CHECKING([whether $CC is a mingw gcc])
585 if $CC -v 2>&1 | grep mingw >/dev/null; then
589 AC_MSG_ERROR([Please use --with-gcc to specify a mingw gcc])
595 dnl Small feature test for perl version. Assumes PerlCmd
596 dnl contains path to perl binary
598 AC_DEFUN(FPTOOLS_CHECK_PERL_VERSION,
599 [$PerlCmd -v >conftest.out 2>&1
600 if grep "version 5" conftest.out >/dev/null 2>&1; then
603 if grep "v5.6" conftest.out >/dev/null 2>&1; then
606 if grep "v5.8" conftest.out >/dev/null 2>&1; then
609 if grep "version 6" conftest.out >/dev/null 2>&1; then
612 echo "Your version of perl probably won't work."
621 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
622 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
623 # -----------------------------------------------------
624 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
625 # of PROG-TO-CHECK-FOR when found.
626 AC_DEFUN([FP_CHECK_PROG],
627 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
633 # Find a non-WinDoze version of the "find" utility.
634 AC_DEFUN([FP_PROG_FIND],
635 [AC_PATH_PROG([fp_prog_find], [find])
636 echo foo > conftest.txt
637 $fp_prog_find conftest.txt -print > conftest.out 2>&1
638 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
639 # OK, looks like a real "find".
640 FindCmd="$fp_prog_find"
642 # Found a poor WinDoze version of "find", ignore it.
643 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
644 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
646 rm -f conftest.txt conftest.out
647 AC_SUBST([FindCmd])[]dnl
653 # Find a Unix-like sort
654 AC_DEFUN([FP_PROG_SORT],
655 [AC_PATH_PROG([fp_prog_sort], [sort])
656 echo conwip > conftest.txt
657 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
658 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
660 SortCmd="$fp_prog_sort"
662 # Summink else..pick next one.
663 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
664 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
666 rm -f conftest.txt conftest.out
667 AC_SUBST([SortCmd])[]dnl
671 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
672 dnl values of the second argument to the result of running
673 dnl the commands given by the third. It does not cache its
674 dnl result, so it is suitable for checks which should be
677 AC_DEFUN(FPTOOLS_NOCACHE_CHECK,
678 [AC_MSG_CHECKING([$1])
680 AC_MSG_RESULT([$][$2])
684 dnl FPTOOLS_GHC_VERSION(version)
685 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
686 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
688 dnl Test for version of installed ghc. Uses $GHC.
689 dnl [original version pinched from c2hs]
691 AC_DEFUN(FPTOOLS_GHC_VERSION,
692 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
693 ["${WithGhc-ghc}" --version > conftestghc 2>&1
694 cat conftestghc >&AS_MESSAGE_LOG_FD
695 #Useless Use Of cat award...
696 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
698 if test "[$]fptools_version_of_ghc" = ""
700 fptools_version_of_ghc='unknown'
702 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
703 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
704 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
706 if test "[$]fptools_version_of_ghc[_pl]" = ""
708 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
709 fptools_version_of_ghc[_pl]="0"
711 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
715 [$1]="[$]fptools_version_of_ghc[_all]"
717 [$1]="[$]fptools_version_of_ghc[_major]"
718 [$2]="[$]fptools_version_of_ghc[_minor]"
720 [$1]="[$]fptools_version_of_ghc[_major]"
721 [$2]="[$]fptools_version_of_ghc[_minor]"
722 [$3]="[$]fptools_version_of_ghc[_pl]"
724 [$1]="[$]fptools_version_of_ghc[_all]"
725 [$2]="[$]fptools_version_of_ghc[_major]"
726 [$3]="[$]fptools_version_of_ghc[_minor]"
727 [$4]="[$]fptools_version_of_ghc[_pl]"
733 dnl ** Map an arithmetic C type to a Haskell type.
734 dnl Based on autconf's AC_CHECK_SIZEOF.
736 dnl FPTOOLS_CHECK_HTYPE(TYPE [, DEFAULT_VALUE, [, VALUE-FOR-CROSS-COMPILATION])
737 AC_DEFUN(FPTOOLS_CHECK_HTYPE,
738 [changequote(<<, >>)dnl
739 dnl The name to #define.
740 define(<<AC_TYPE_NAME>>, translit(htype_$1, [a-z *], [A-Z_P]))dnl
741 dnl The cache variable name.
742 define(<<AC_CV_NAME>>, translit(fptools_cv_htype_$1, [ *], [_p]))dnl
743 define(<<AC_CV_NAME_supported>>, translit(fptools_cv_htype_sup_$1, [ *], [_p]))dnl
745 AC_MSG_CHECKING(Haskell type for $1)
746 AC_CACHE_VAL(AC_CV_NAME,
747 [AC_CV_NAME_supported=yes
748 fp_check_htype_save_cppflags="$CPPFLAGS"
749 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
750 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
754 # include <sys/types.h>
762 # include <sys/stat.h>
778 # include <termios.h>
789 #if defined(HAVE_GL_GL_H)
791 #elif defined(HAVE_OPENGL_GL_H)
792 # include <OpenGL/gl.h>
795 #if defined(HAVE_AL_ALC_H)
797 #elif defined(HAVE_OPENAL_ALC_H)
798 # include <OpenAL/alc.h>
801 #if HAVE_SYS_RESOURCE_H
802 # include <sys/resource.h>
808 FILE *f=fopen("conftestval", "w");
810 if (((testing)((int)((testing)1.4))) == ((testing)1.4)) {
812 ((testing)(-1) < (testing)0) ? "Int" : "Word",
816 (sizeof(testing) > sizeof(double)) ? "LDouble" :
817 (sizeof(testing) == sizeof(double)) ? "Double" : "Float");
821 }]])],[AC_CV_NAME=`cat conftestval`],
822 [ifelse([$2], , [AC_CV_NAME=NotReallyAType; AC_CV_NAME_supported=no], [AC_CV_NAME=$2])],
823 [ifelse([$3], , [AC_CV_NAME=NotReallyATypeCross; AC_CV_NAME_supported=no], [AC_CV_NAME=$3])])]) dnl
824 CPPFLAGS="$fp_check_htype_save_cppflags"
825 if test "$AC_CV_NAME_supported" = yes; then
826 AC_MSG_RESULT($AC_CV_NAME)
827 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [Define to Haskell type for $1])
829 AC_MSG_RESULT([not supported])
831 undefine([AC_TYPE_NAME])dnl
832 undefine([AC_CV_NAME])dnl
833 undefine([AC_CV_NAME_supported])dnl
837 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
838 # ---------------------------------------------------------------------------------
839 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
840 # additional flexibility of specifying the PROLOGUE and BODY.
841 AC_DEFUN([FP_CHECK_FUNC],
842 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
843 AC_CACHE_CHECK([for $1], fp_func,
844 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
845 [AS_VAR_SET(fp_func, yes)],
846 [AS_VAR_SET(fp_func, no)])])
847 AS_IF([test AS_VAR_GET(fp_func) = yes],
848 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
849 [Define to 1 if you have the `]$1[' function.]) $4],
851 AS_VAR_POPDEF([fp_func])dnl
857 # Generates a DocBook XML V4.2 document in conftest.xml.
858 AC_DEFUN([FP_GEN_DOCBOOK_XML],
860 cat > conftest.xml << EOF
861 <?xml version="1.0" encoding="iso-8859-1"?>
862 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
863 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
865 <title>A DocBook Test Document</title>
866 <chapter id="id-one">
867 <title>A Chapter Title</title>
868 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
870 <chapter id="id-two">
871 <title>Another Chapter Title</title>
872 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
876 ]) # FP_GEN_DOCBOOK_XML
881 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
882 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
883 AC_DEFUN([FP_PROG_XSLTPROC],
884 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
885 if test -z "$XsltprocCmd"; then
886 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation])
891 # FP_DIR_DOCBOOK_XSL(XSL-DIRS)
892 # ----------------------------
893 # Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The
894 # output variable DIR_DOCBOOK_XSL will contain the first usable directory or
895 # will be empty if none could be found.
896 AC_DEFUN([FP_DIR_DOCBOOK_XSL],
897 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
898 if test -n "$XsltprocCmd"; then
899 AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl,
901 fp_cv_dir_docbook_xsl=no
903 if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then
904 fp_cv_dir_docbook_xsl=$fp_var
910 if test x"$fp_cv_dir_docbook_xsl" = xno; then
911 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
914 DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl
916 AC_SUBST([DIR_DOCBOOK_XSL])
917 ])# FP_DIR_DOCBOOK_XSL
922 # Sets the output variable XmllintCmd to the full path of the XSLT processor
923 # xmllint. XmllintCmd is empty if xmllint could not be found.
924 AC_DEFUN([FP_PROG_XMLLINT],
925 [AC_PATH_PROG([XmllintCmd], [xmllint])
926 if test -z "$XmllintCmd"; then
927 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
932 # FP_CHECK_DOCBOOK_DTD
933 # --------------------
934 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
935 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
936 if test -n "$XmllintCmd"; then
937 AC_MSG_CHECKING([for DocBook DTD])
939 if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then
942 AC_MSG_RESULT([failed])
943 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
944 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
948 ])# FP_CHECK_DOCBOOK_DTD
953 # Generates a formatting objects document in conftest.fo.
954 AC_DEFUN([FP_GEN_FO],
956 cat > conftest.fo << EOF
957 <?xml version="1.0"?>
958 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
959 <fo:layout-master-set>
960 <fo:simple-page-master master-name="blank">
962 </fo:simple-page-master>
963 </fo:layout-master-set>
964 <fo:page-sequence master-reference="blank">
965 <fo:flow flow-name="xsl-region-body">
978 # Set the output variable 'FopCmd' to the first working 'fop' in the current
979 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
980 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
981 AC_DEFUN([FP_PROG_FOP],
982 [AC_PATH_PROGS([FopCmd1], [fop])
983 if test -n "$FopCmd1"; then
984 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
986 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
987 fp_cv_fop_usability=yes
989 fp_cv_fop_usability=no
992 if test x"$fp_cv_fop_usability" = xyes; then
996 if test -z "$FopCmd"; then
997 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
1004 # FP_PROG_FO_PROCESSOR
1005 # --------------------
1006 # Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so
1007 # try FOP first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd, and
1009 AC_DEFUN([FP_PROG_FO_PROCESSOR],
1010 [AC_REQUIRE([FP_PROG_FOP])
1011 AC_PATH_PROG([XmltexCmd], [xmltex])
1012 AC_PATH_PROG([DvipsCmd], [dvips])
1013 if test -z "$FopCmd"; then
1014 if test -z "$XmltexCmd"; then
1015 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation])
1017 if test -z "$DvipsCmd"; then
1018 AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation])
1021 AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex])
1022 if test -z "$PdfxmltexCmd"; then
1023 AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation])
1025 elif test -z "$XmltexCmd"; then
1026 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation])
1028 ])# FP_PROG_FO_PROCESSOR
1033 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
1034 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
1035 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
1036 AC_DEFUN([FP_PROG_GHC_PKG],
1037 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
1038 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
1039 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
1040 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
1042 fp_cv_matching_ghc_pkg=no
1044 if test x"$fp_cv_matching_ghc_pkg" = xno; then
1045 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
1047 GhcPkgCmd=$fp_cv_matching_ghc_pkg
1048 fi])# FP_PROG_GHC_PKG