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
78 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
79 # --------------------------------------------------------
80 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
81 # compilation. Execute IF-FAILS when unable to determine the value. Works for
82 # cross-compilation, too.
84 # Implementation note: We are lazy and use an internal autoconf macro, but it
85 # is supported in autoconf versions 2.50 up to the actual 2.57, so there is
87 AC_DEFUN([FP_COMPUTE_INT],
88 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
92 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
93 # ------------------------------------------------------------------
94 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
95 # given type. Defines ALIGNMENT_TYPE.
96 AC_DEFUN([FP_CHECK_ALIGNMENT],
97 [AS_LITERAL_IF([$1], [],
98 [AC_FATAL([$0: requires literal arguments])])[]dnl
99 AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
100 m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
101 AC_CACHE_CHECK([alignment of $1], [fp_Cache],
102 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
103 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
105 [AC_INCLUDES_DEFAULT([$3])],
106 [AC_MSG_ERROR([cannot compute alignment ($1)
107 See `config.log' for more details.], [77])])
111 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
112 m4_popdef([fp_Cache])[]dnl
113 ])# FP_CHECK_ALIGNMENT
116 # FP_LEADING_UNDERSCORE
117 # ---------------------
118 # Test for determining whether symbol names have a leading underscore. We assume
119 # that they _haven't_ if anything goes wrong. Sets the output variable
120 # LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
122 # Some nlist implementations seem to try to be compatible by ignoring a leading
123 # underscore sometimes (eg. FreeBSD). We therefore have to work around this by
124 # checking for *no* leading underscore first. Sigh. --SDM
126 # Similarly on OpenBSD, but this test doesn't help. -- dons
127 AC_DEFUN([FP_LEADING_UNDERSCORE],
128 [AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
129 AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
130 # Hack!: nlist() under Digital UNIX insist on there being an _,
131 # but symbol table listings shows none. What is going on here?!?
133 # Another hack: cygwin doesn't come with nlist.h , so we hardwire
134 # the underscoredness of that "platform"
135 case $HostPlatform in
136 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
138 i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
139 *) fptools_cv_leading_underscore=no ;;
141 alpha-dec-osf*) fptools_cv_leading_underscore=no;;
142 *cygwin32) fptools_cv_leading_underscore=yes;;
143 *mingw32) fptools_cv_leading_underscore=yes;;
144 *) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
146 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
147 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
155 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
157 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
161 }]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
164 AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
165 if test x"$fptools_cv_leading_underscore" = xyes; then
166 AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
167 fi])# FP_LEADING_UNDERSCORE
170 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
171 # ----------------------------------------------------------------------------------
172 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
173 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
174 AC_DEFUN([FP_COMPARE_VERSIONS],
175 [fp_version1=$1; fp_version2=$3
176 fp_save_IFS=$IFS; IFS='.'
177 while test x"$fp_version1" != x || test x"$fp_version2" != x
180 set dummy $fp_version1; shift
182 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
183 test x"$fp_num1" = x && fp_num1="0"
186 set dummy $fp_version2; shift
188 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
189 test x"$fp_num2" = x && fp_num2="0"
192 test "$fp_num1" = "$fp_num2" || break;
195 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
196 ])# FP_COMPARE_VERSIONS
200 dnl Check for GreenCard and version.
202 AC_DEFUN([FPTOOLS_GREENCARD],
204 AC_PATH_PROG(GreenCardCmd,greencard)
205 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
207 [if test x"$GreenCardCmd" != x; then
208 fptools_cv_greencard_version="`$GreenCardCmd --version |
209 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
211 fptools_cv_greencard_version=""
215 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
216 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
217 GreenCardVersion=$fptools_cv_greencard_version
218 AC_SUBST(GreenCardVersion)
222 dnl Check for Happy and version. If we're building GHC, then we need
223 dnl at least Happy version 1.14. If there's no installed Happy, we look
224 dnl for a happy source tree and point the build system at that instead.
226 AC_DEFUN([FPTOOLS_HAPPY],
227 [AC_PATH_PROG(HappyCmd,happy,)
228 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
230 [if test x"$HappyCmd" != x; then
231 fptools_cv_happy_version="`$HappyCmd -v |
232 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
234 fptools_cv_happy_version="";
238 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.15],
239 [AC_MSG_ERROR([Happy version 1.15 or later is required to compile GHC.])])[]dnl
240 HappyVersion=$fptools_cv_happy_version;
241 AC_SUBST(HappyVersion)
245 dnl Check for Haddock and version. If there's no installed Haddock, we look
246 dnl for a haddock source tree and point the build system at that instead.
248 AC_DEFUN([FPTOOLS_HADDOCK],
249 [AC_PATH_PROG(HaddockCmd,haddock,)
250 dnl Darn, I forgot to make Haddock print out its version number when
251 dnl invoked with -v. We could try generating some HTML and grepping
252 dnl through that to find the version number, but I think we'll make
253 dnl do without it for now.
257 dnl Check for Alex and version. If we're building GHC, then we need
258 dnl at least Alex version 2.0. If there's no installed Alex, we look
259 dnl for a alex source tree and point the build system at that instead.
261 AC_DEFUN([FPTOOLS_ALEX],
263 AC_PATH_PROG(AlexCmd,alex,)
264 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
266 [if test x"$AlexCmd" != x; then
267 fptools_cv_alex_version="`$AlexCmd -v |
268 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
270 fptools_cv_alex_version="";
274 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.0],
275 [AC_MSG_ERROR([Alex version 2.0 or later is required to compile GHC.])])[]dnl
276 AlexVersion=$fptools_cv_alex_version;
277 AC_SUBST(AlexVersion)
283 # Sets the output variable LdCmd to the (non-Cygwin version of the) full path
284 # of ld. Exits if no ld can be found
285 AC_DEFUN([FP_PROG_LD],
286 [AC_PATH_PROG([fp_prog_ld_raw], [ld])
287 if test -z "$fp_prog_ld_raw"; then
288 AC_MSG_ERROR([cannot find ld in your PATH, no idea how to link])
290 LdCmd=$fp_prog_ld_raw
291 case $HostPlatform in
292 *mingw32) if test x${OSTYPE} != xmsys; then
293 LdCmd="`cygpath -w ${fp_prog_ld_raw} | sed -e 's@\\\\@/@g'`"
294 AC_MSG_NOTICE([normalized ld command to $LdCmd])
296 # Insist on >= ld-2.15.x, since earlier versions doesn't handle
297 # the generation of relocatable object files with large amounts
298 # of relocations correctly. (cf. HSbase.o splittage-hack)
299 fp_prog_ld_version=`${LdCmd} --version | sed -n '/GNU ld/p' | tr -cd 0-9 | cut -b1-3`
300 FP_COMPARE_VERSIONS([$fp_prog_ld_version],[-lt],[214],
301 [AC_MSG_ERROR([GNU ld version later than 2.14 required to compile GHC on Windows.])])[]dnl
310 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
311 # variable's value is empty.
312 AC_DEFUN([FP_PROG_LD_X],
313 [AC_REQUIRE([FP_PROG_LD])
314 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
315 [echo 'foo() {}' > conftest.c
316 ${CC-cc} -c conftest.c
317 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
323 if test "$fp_cv_ld_x" = yes; then
334 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
336 AC_DEFUN([FP_PROG_LD_IS_GNU],
337 [AC_REQUIRE([FP_PROG_LD])
338 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
339 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
344 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
345 ])# FP_PROG_LD_IS_GNU
350 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
351 # version of it. Exits if no ar can be found
352 AC_DEFUN([FP_PROG_AR],
353 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
354 if test -z "$fp_prog_ar_raw"; then
355 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
357 fp_prog_ar=$fp_prog_ar_raw
358 case $HostPlatform in
359 *mingw32) if test x${OSTYPE} != xmsys; then
360 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
361 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
370 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
371 AC_DEFUN([FP_PROG_AR_IS_GNU],
372 [AC_REQUIRE([FP_PROG_AR])
373 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
374 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
375 fp_cv_prog_ar_is_gnu=yes
377 fp_cv_prog_ar_is_gnu=no
379 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
380 ])# FP_PROG_AR_IS_GNU
385 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
386 # to a non-Cygwin invocation of ar including these arguments.
387 AC_DEFUN([FP_PROG_AR_ARGS],
388 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
389 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
391 # GNU ar needs special treatment: it appears to have problems with
392 # object files with the same name if you use the 's' modifier, but
393 # simple 'ar q' works fine, and doesn't need a separate ranlib.
394 if test $fp_prog_ar_is_gnu = yes; then
395 fp_cv_prog_ar_args="q"
398 for fp_var in clqsZ clqs cqs clq cq ; do
400 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
401 fp_cv_prog_ar_args=$fp_var
406 if test -z "$fp_cv_prog_ar_args"; then
407 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
410 fp_prog_ar_args=$fp_cv_prog_ar_args
411 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
416 # FP_PROG_AR_NEEDS_RANLIB
417 # -----------------------
418 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
420 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
421 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
422 AC_REQUIRE([FP_PROG_AR_ARGS])
423 AC_REQUIRE([AC_PROG_CC])
424 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
425 [if test $fp_prog_ar_is_gnu = yes; then
426 fp_cv_prog_ar_needs_ranlib=no
427 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
428 # It's quite tedious to check for Apple's crazy timestamps in .a files,
430 fp_cv_prog_ar_needs_ranlib=yes
431 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
432 fp_cv_prog_ar_needs_ranlib=no
434 fp_cv_prog_ar_needs_ranlib=yes
436 if test $fp_cv_prog_ar_needs_ranlib = yes; then
442 ])# FP_PROG_AR_NEEDS_RANLIB
445 # FP_PROG_AR_SUPPORTS_INPUT
446 # -------------------------
447 # Sets the output variable ArSupportsInput to "-input" or "", depending on
448 # whether ar supports -input flag is supported or not.
449 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
450 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
451 AC_REQUIRE([FP_PROG_AR_ARGS])
452 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
453 [fp_cv_prog_ar_supports_input=no
454 if test $fp_prog_ar_is_gnu = no; then
457 if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
458 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
462 if test $fp_cv_prog_ar_supports_input = yes; then
463 ArSupportsInput="-input"
467 AC_SUBST([ArSupportsInput])
468 ])# FP_PROG_AR_SUPPORTS_INPUT
472 dnl AC_SHEBANG_PERL - can we she-bang perl?
474 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
475 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
480 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
481 if test $? -ne 69; then
482 fptools_cv_shebang_perl=yes
484 fptools_cv_shebang_perl=no
492 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
493 # output variables HaveGcc and GccVersion.
494 AC_DEFUN([FP_HAVE_GCC],
495 [AC_REQUIRE([AC_PROG_CC])
496 if test -z "$GCC"; then
501 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
502 AC_MSG_ERROR([gcc is required])
504 AC_CACHE_CHECK([version of gcc], [fp_gcc_version],
505 [if test "$fp_have_gcc" = "YES"; then
506 fp_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
507 FP_COMPARE_VERSIONS([$fp_gcc_version], [-lt], [2.0],
508 [AC_MSG_ERROR([Need at least gcc version 2.0 (3.4+ recommended)])])
510 fp_gcc_version="not-installed"
513 AC_SUBST([HaveGcc], [$fp_have_gcc])
514 AC_SUBST([GccVersion], [$fp_gcc_version])
517 AC_DEFUN([FP_MINGW_GCC],
520 mingw*) AC_MSG_CHECKING([whether $CC is a mingw gcc])
521 if $CC -v 2>&1 | grep mingw >/dev/null; then
525 AC_MSG_ERROR([Please use --with-gcc to specify a mingw gcc])
531 dnl Small feature test for perl version. Assumes PerlCmd
532 dnl contains path to perl binary
534 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
535 [$PerlCmd -v >conftest.out 2>&1
536 if grep "v5.6" conftest.out >/dev/null 2>&1; then
539 if grep "v5.8" conftest.out >/dev/null 2>&1; then
542 if grep "version 6" conftest.out >/dev/null 2>&1; then
545 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
553 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
554 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
555 # -----------------------------------------------------
556 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
557 # of PROG-TO-CHECK-FOR when found.
558 AC_DEFUN([FP_CHECK_PROG],
559 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
565 # Find a non-WinDoze version of the "find" utility.
566 AC_DEFUN([FP_PROG_FIND],
567 [AC_PATH_PROG([fp_prog_find], [find])
568 echo foo > conftest.txt
569 $fp_prog_find conftest.txt -print > conftest.out 2>&1
570 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
571 # OK, looks like a real "find".
572 FindCmd="$fp_prog_find"
574 # Found a poor WinDoze version of "find", ignore it.
575 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
576 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
578 rm -f conftest.txt conftest.out
579 AC_SUBST([FindCmd])[]dnl
585 # Find a Unix-like sort
586 AC_DEFUN([FP_PROG_SORT],
587 [AC_PATH_PROG([fp_prog_sort], [sort])
588 echo conwip > conftest.txt
589 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
590 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
592 SortCmd="$fp_prog_sort"
594 # Summink else..pick next one.
595 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
596 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
598 rm -f conftest.txt conftest.out
599 AC_SUBST([SortCmd])[]dnl
603 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
604 dnl values of the second argument to the result of running
605 dnl the commands given by the third. It does not cache its
606 dnl result, so it is suitable for checks which should be
609 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
610 [AC_MSG_CHECKING([$1])
612 AC_MSG_RESULT([$][$2])
616 dnl FPTOOLS_GHC_VERSION(version)
617 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
618 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
620 dnl Test for version of installed ghc. Uses $GHC.
621 dnl [original version pinched from c2hs]
623 AC_DEFUN([FPTOOLS_GHC_VERSION],
624 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
625 ["${WithGhc-ghc}" --version > conftestghc 2>&1
626 cat conftestghc >&AS_MESSAGE_LOG_FD
627 #Useless Use Of cat award...
628 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
630 if test "[$]fptools_version_of_ghc" = ""
632 fptools_version_of_ghc='unknown'
634 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
635 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
636 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
638 if test "[$]fptools_version_of_ghc[_pl]" = ""
640 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
641 fptools_version_of_ghc[_pl]="0"
643 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
647 [$1]="[$]fptools_version_of_ghc[_all]"
649 [$1]="[$]fptools_version_of_ghc[_major]"
650 [$2]="[$]fptools_version_of_ghc[_minor]"
652 [$1]="[$]fptools_version_of_ghc[_major]"
653 [$2]="[$]fptools_version_of_ghc[_minor]"
654 [$3]="[$]fptools_version_of_ghc[_pl]"
656 [$1]="[$]fptools_version_of_ghc[_all]"
657 [$2]="[$]fptools_version_of_ghc[_major]"
658 [$3]="[$]fptools_version_of_ghc[_minor]"
659 [$4]="[$]fptools_version_of_ghc[_pl]"
665 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
666 # ---------------------------------------------------------------------------------
667 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
668 # additional flexibility of specifying the PROLOGUE and BODY.
669 AC_DEFUN([FP_CHECK_FUNC],
670 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
671 AC_CACHE_CHECK([for $1], fp_func,
672 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
673 [AS_VAR_SET(fp_func, yes)],
674 [AS_VAR_SET(fp_func, no)])])
675 AS_IF([test AS_VAR_GET(fp_func) = yes],
676 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
677 [Define to 1 if you have the `]$1[' function.]) $4],
679 AS_VAR_POPDEF([fp_func])dnl
685 # Generates a DocBook XML V4.2 document in conftest.xml.
686 AC_DEFUN([FP_GEN_DOCBOOK_XML],
688 cat > conftest.xml << EOF
689 <?xml version="1.0" encoding="iso-8859-1"?>
690 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
691 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
693 <title>A DocBook Test Document</title>
694 <chapter id="id-one">
695 <title>A Chapter Title</title>
696 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
698 <chapter id="id-two">
699 <title>Another Chapter Title</title>
700 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
704 ]) # FP_GEN_DOCBOOK_XML
709 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
710 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
711 AC_DEFUN([FP_PROG_XSLTPROC],
712 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
713 if test -z "$XsltprocCmd"; then
714 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation])
719 # FP_DIR_DOCBOOK_XSL(XSL-DIRS)
720 # ----------------------------
721 # Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The
722 # output variable DIR_DOCBOOK_XSL will contain the first usable directory or
723 # will be empty if none could be found.
724 AC_DEFUN([FP_DIR_DOCBOOK_XSL],
725 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
726 if test -n "$XsltprocCmd"; then
727 AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl,
729 fp_cv_dir_docbook_xsl=no
731 if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then
732 fp_cv_dir_docbook_xsl=$fp_var
738 if test x"$fp_cv_dir_docbook_xsl" = xno; then
739 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
742 DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl
744 AC_SUBST([DIR_DOCBOOK_XSL])
745 ])# FP_DIR_DOCBOOK_XSL
750 # Sets the output variable XmllintCmd to the full path of the XSLT processor
751 # xmllint. XmllintCmd is empty if xmllint could not be found.
752 AC_DEFUN([FP_PROG_XMLLINT],
753 [AC_PATH_PROG([XmllintCmd], [xmllint])
754 if test -z "$XmllintCmd"; then
755 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
760 # FP_CHECK_DOCBOOK_DTD
761 # --------------------
762 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
763 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
764 if test -n "$XmllintCmd"; then
765 AC_MSG_CHECKING([for DocBook DTD])
767 if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then
770 AC_MSG_RESULT([failed])
771 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
772 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
776 ])# FP_CHECK_DOCBOOK_DTD
781 # Generates a formatting objects document in conftest.fo.
782 AC_DEFUN([FP_GEN_FO],
784 cat > conftest.fo << EOF
785 <?xml version="1.0"?>
786 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
787 <fo:layout-master-set>
788 <fo:simple-page-master master-name="blank">
790 </fo:simple-page-master>
791 </fo:layout-master-set>
792 <fo:page-sequence master-reference="blank">
793 <fo:flow flow-name="xsl-region-body">
806 # Set the output variable 'FopCmd' to the first working 'fop' in the current
807 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
808 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
809 AC_DEFUN([FP_PROG_FOP],
810 [AC_PATH_PROGS([FopCmd1], [fop])
811 if test -n "$FopCmd1"; then
812 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
814 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
815 fp_cv_fop_usability=yes
817 fp_cv_fop_usability=no
820 if test x"$fp_cv_fop_usability" = xyes; then
824 if test -z "$FopCmd"; then
825 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
832 # FP_PROG_FO_PROCESSOR
833 # --------------------
834 # Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so
835 # try FOP first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd, and
837 AC_DEFUN([FP_PROG_FO_PROCESSOR],
838 [AC_REQUIRE([FP_PROG_FOP])
839 AC_PATH_PROG([XmltexCmd], [xmltex])
840 AC_PATH_PROG([DvipsCmd], [dvips])
841 if test -z "$FopCmd"; then
842 if test -z "$XmltexCmd"; then
843 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation])
845 if test -z "$DvipsCmd"; then
846 AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation])
849 AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex])
850 if test -z "$PdfxmltexCmd"; then
851 AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation])
853 elif test -z "$XmltexCmd"; then
854 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation])
856 ])# FP_PROG_FO_PROCESSOR
861 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
862 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
863 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
864 AC_DEFUN([FP_PROG_GHC_PKG],
865 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
866 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
867 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
868 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
870 fp_cv_matching_ghc_pkg=no
872 if test x"$fp_cv_matching_ghc_pkg" = xno; then
873 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
875 GhcPkgCmd=$fp_cv_matching_ghc_pkg
876 fi])# FP_PROG_GHC_PKG
879 # FP_GHC_HAS_READLINE
880 # -------------------
881 AC_DEFUN([FP_GHC_HAS_READLINE],
882 [AC_REQUIRE([FP_PROG_GHC_PKG])
883 AC_CACHE_CHECK([whether ghc has readline package], [fp_cv_ghc_has_readline],
884 [if "${GhcPkgCmd-ghc-pkg}" --show-package readline >/dev/null 2>&1; then
885 fp_cv_ghc_has_readline=yes
887 fp_cv_ghc_has_readline=no
889 AC_SUBST([GhcHasReadline], [`echo $fp_cv_ghc_has_readline | sed 'y/yesno/YESNO/'`])
890 ])# FP_GHC_HAS_READLINE
893 # FP_GCC_NEEDS_NO_OMIT_LFPTR
894 # --------------------------
895 # Some OSs (Mandrake Linux, in particular) configure GCC with
896 # -momit-leaf-frame-pointer on by default. If this is the case, we need to turn
897 # it off for mangling to work. The test is currently a bit crude, using only the
898 # version number of gcc. Defines HAVE_GCC_MNO_OMIT_LFPTR.
899 AC_DEFUN([FP_GCC_NEEDS_NO_OMIT_LFPTR],
900 [AC_REQUIRE([FP_HAVE_GCC])
901 AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], [fp_cv_gcc_needs_no_omit_lfptr],
902 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.2],
903 [fp_cv_gcc_needs_no_omit_lfptr=yes],
904 [fp_cv_gcc_needs_no_omit_lfptr=no])])
905 if test "$fp_cv_gcc_needs_no_omit_lfptr" = "yes"; then
906 AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.])
907 fi])# FP_GCC_NEEDS_NO_OMIT_LFPTR
909 # FP_GCC_HAS_NO_UNIT_AT_A_TIME
910 # --------------------------
911 AC_DEFUN([FP_GCC_HAS_NO_UNIT_AT_A_TIME],
912 [AC_REQUIRE([FP_HAVE_GCC])
913 AC_CACHE_CHECK([whether gcc has -fno-unit-at-a-time], [fp_cv_gcc_has_no_unit_at_a_time],
914 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
915 [fp_cv_gcc_has_no_unit_at_a_time=yes],
916 [fp_cv_gcc_has_no_unit_at_a_time=no])])
917 if test "$fp_cv_gcc_has_no_unit_at_a_time" = "yes"; then
918 AC_DEFINE([HAVE_GCC_HAS_NO_UNIT_AT_A_TIME], [1], [Define to 1 if gcc supports -fno-unit-at-a-time.])
921 # FP_SETUP_PROJECT_VERSION
922 # ---------------------
923 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
925 AC_SUBST([ProjectName], [$PACKAGE_NAME])
926 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
928 # Split PACKAGE_VERSION into (possibly empty) parts
929 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
930 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
931 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
932 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
934 # Calculate project version as an integer, using 2 digits for minor version
935 case $VERSION_MINOR in
936 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
937 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
938 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
940 AC_SUBST([ProjectVersionInt])
942 # The project patchlevel is zero unless stated otherwise
943 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
945 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
946 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
948 AC_SUBST([ProjectPatchLevel])
949 ])# FP_SETUP_PROJECT_VERSION