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=$fptools_cv_greencard_version
239 AC_SUBST(GreenCardVersion)
243 dnl Check for Happy and version. If we're building GHC, then we need
244 dnl at least Happy version 1.14. If there's no installed Happy, we look
245 dnl for a happy source tree and point the build system at that instead.
247 AC_DEFUN([FPTOOLS_HAPPY],
248 [AC_PATH_PROG(HappyCmd,happy,)
249 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
251 [if test x"$HappyCmd" != x; then
252 fptools_cv_happy_version="`$HappyCmd -v |
253 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
255 fptools_cv_happy_version="";
259 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.15],
260 [AC_MSG_ERROR([Happy version 1.15 or later is required to compile GHC.])])[]dnl
261 HappyVersion=$fptools_cv_happy_version;
262 AC_SUBST(HappyVersion)
266 dnl Check for Haddock and version. If there's no installed Haddock, we look
267 dnl for a haddock source tree and point the build system at that instead.
269 AC_DEFUN([FPTOOLS_HADDOCK],
270 [AC_PATH_PROG(HaddockCmd,haddock,)
271 dnl Darn, I forgot to make Haddock print out its version number when
272 dnl invoked with -v. We could try generating some HTML and grepping
273 dnl through that to find the version number, but I think we'll make
274 dnl do without it for now.
278 dnl Check for Alex and version. If we're building GHC, then we need
279 dnl at least Alex version 2.0. If there's no installed Alex, we look
280 dnl for a alex source tree and point the build system at that instead.
282 AC_DEFUN([FPTOOLS_ALEX],
284 AC_PATH_PROG(AlexCmd,alex,)
285 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
287 [if test x"$AlexCmd" != x; then
288 fptools_cv_alex_version="`$AlexCmd -v |
289 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
291 fptools_cv_alex_version="";
295 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.0],
296 [AC_MSG_ERROR([Alex version 2.0 or later is required to compile GHC.])])[]dnl
297 AlexVersion=$fptools_cv_alex_version;
298 AC_SUBST(AlexVersion)
304 # Sets the output variable LdCmd to the (non-Cygwin version of the) full path
305 # of ld. Exits if no ld can be found
306 AC_DEFUN([FP_PROG_LD],
307 [AC_PATH_PROG([fp_prog_ld_raw], [ld])
308 if test -z "$fp_prog_ld_raw"; then
309 AC_MSG_ERROR([cannot find ld in your PATH, no idea how to link])
311 LdCmd=$fp_prog_ld_raw
312 case $HostPlatform in
313 *mingw32) if test x${OSTYPE} != xmsys; then
314 LdCmd="`cygpath -w ${fp_prog_ld_raw} | sed -e 's@\\\\@/@g'`"
315 AC_MSG_NOTICE([normalized ld command to $LdCmd])
317 # Insist on >= ld-2.15.x, since earlier versions doesn't handle
318 # the generation of relocatable object files with large amounts
319 # of relocations correctly. (cf. HSbase.o splittage-hack)
320 fp_prog_ld_version=`${LdCmd} --version | sed -n '/GNU ld/p' | tr -cd 0-9 | cut -b1-3`
321 FP_COMPARE_VERSIONS([$fp_prog_ld_version],[-lt],[214],
322 [AC_MSG_ERROR([GNU ld version later than 2.14 required to compile GHC on Windows.])])[]dnl
331 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
332 # variable's value is empty.
333 AC_DEFUN([FP_PROG_LD_X],
334 [AC_REQUIRE([FP_PROG_LD])
335 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
336 [echo 'foo() {}' > conftest.c
337 ${CC-cc} -c conftest.c
338 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
344 if test "$fp_cv_ld_x" = yes; then
355 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
357 AC_DEFUN([FP_PROG_LD_IS_GNU],
358 [AC_REQUIRE([FP_PROG_LD])
359 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
360 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
365 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
366 ])# FP_PROG_LD_IS_GNU
371 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
372 # version of it. Exits if no ar can be found
373 AC_DEFUN([FP_PROG_AR],
374 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
375 if test -z "$fp_prog_ar_raw"; then
376 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
378 fp_prog_ar=$fp_prog_ar_raw
379 case $HostPlatform in
380 *mingw32) if test x${OSTYPE} != xmsys; then
381 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
382 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
391 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
392 AC_DEFUN([FP_PROG_AR_IS_GNU],
393 [AC_REQUIRE([FP_PROG_AR])
394 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
395 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
396 fp_cv_prog_ar_is_gnu=yes
398 fp_cv_prog_ar_is_gnu=no
400 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
401 ])# FP_PROG_AR_IS_GNU
406 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
407 # to a non-Cygwin invocation of ar including these arguments.
408 AC_DEFUN([FP_PROG_AR_ARGS],
409 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
410 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
412 # GNU ar needs special treatment: it appears to have problems with
413 # object files with the same name if you use the 's' modifier, but
414 # simple 'ar q' works fine, and doesn't need a separate ranlib.
415 if test $fp_prog_ar_is_gnu = yes; then
416 fp_cv_prog_ar_args="q"
419 for fp_var in clqsZ clqs cqs clq cq ; do
421 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
422 fp_cv_prog_ar_args=$fp_var
427 if test -z "$fp_cv_prog_ar_args"; then
428 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
431 fp_prog_ar_args=$fp_cv_prog_ar_args
432 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
437 # FP_PROG_AR_NEEDS_RANLIB
438 # -----------------------
439 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
441 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
442 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
443 AC_REQUIRE([FP_PROG_AR_ARGS])
444 AC_REQUIRE([AC_PROG_CC])
445 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
446 [if test $fp_prog_ar_is_gnu = yes; then
447 fp_cv_prog_ar_needs_ranlib=no
448 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
449 # It's quite tedious to check for Apple's crazy timestamps in .a files,
451 fp_cv_prog_ar_needs_ranlib=yes
452 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
453 fp_cv_prog_ar_needs_ranlib=no
455 fp_cv_prog_ar_needs_ranlib=yes
457 if test $fp_cv_prog_ar_needs_ranlib = yes; then
463 ])# FP_PROG_AR_NEEDS_RANLIB
466 # FP_PROG_AR_SUPPORTS_INPUT
467 # -------------------------
468 # Sets the output variable ArSupportsInput to "-input" or "", depending on
469 # whether ar supports -input flag is supported or not.
470 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
471 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
472 AC_REQUIRE([FP_PROG_AR_ARGS])
473 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
474 [fp_cv_prog_ar_supports_input=no
475 if test $fp_prog_ar_is_gnu = no; then
478 if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
479 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
483 if test $fp_cv_prog_ar_supports_input = yes; then
484 ArSupportsInput="-input"
488 AC_SUBST([ArSupportsInput])
489 ])# FP_PROG_AR_SUPPORTS_INPUT
493 dnl AC_SHEBANG_PERL - can we she-bang perl?
495 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
496 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
501 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
502 if test $? -ne 69; then
503 fptools_cv_shebang_perl=yes
505 fptools_cv_shebang_perl=no
513 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
514 # output variables HaveGcc and GccVersion.
515 AC_DEFUN([FP_HAVE_GCC],
516 [AC_REQUIRE([AC_PROG_CC])
517 if test -z "$GCC"; then
522 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
523 AC_MSG_ERROR([gcc is required])
525 AC_CACHE_CHECK([version of gcc], [fp_gcc_version],
526 [if test "$fp_have_gcc" = "YES"; then
527 fp_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
528 FP_COMPARE_VERSIONS([$fp_gcc_version], [-lt], [2.0],
529 [AC_MSG_ERROR([Need at least gcc version 2.0 (3.4+ recommended)])])
531 fp_gcc_version="not-installed"
534 AC_SUBST([HaveGcc], [$fp_have_gcc])
535 AC_SUBST([GccVersion], [$fp_gcc_version])
538 AC_DEFUN([FP_MINGW_GCC],
541 mingw*) AC_MSG_CHECKING([whether $CC is a mingw gcc])
542 if $CC -v 2>&1 | grep mingw >/dev/null; then
546 AC_MSG_ERROR([Please use --with-gcc to specify a mingw gcc])
552 dnl Small feature test for perl version. Assumes PerlCmd
553 dnl contains path to perl binary
555 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
556 [$PerlCmd -v >conftest.out 2>&1
557 if grep "v5.6" conftest.out >/dev/null 2>&1; then
560 if grep "v5.8" conftest.out >/dev/null 2>&1; then
563 if grep "version 6" conftest.out >/dev/null 2>&1; then
566 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
574 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
575 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
576 # -----------------------------------------------------
577 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
578 # of PROG-TO-CHECK-FOR when found.
579 AC_DEFUN([FP_CHECK_PROG],
580 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
586 # Find a non-WinDoze version of the "find" utility.
587 AC_DEFUN([FP_PROG_FIND],
588 [AC_PATH_PROG([fp_prog_find], [find])
589 echo foo > conftest.txt
590 $fp_prog_find conftest.txt -print > conftest.out 2>&1
591 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
592 # OK, looks like a real "find".
593 FindCmd="$fp_prog_find"
595 # Found a poor WinDoze version of "find", ignore it.
596 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
597 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
599 rm -f conftest.txt conftest.out
600 AC_SUBST([FindCmd])[]dnl
606 # Find a Unix-like sort
607 AC_DEFUN([FP_PROG_SORT],
608 [AC_PATH_PROG([fp_prog_sort], [sort])
609 echo conwip > conftest.txt
610 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
611 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
613 SortCmd="$fp_prog_sort"
615 # Summink else..pick next one.
616 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
617 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
619 rm -f conftest.txt conftest.out
620 AC_SUBST([SortCmd])[]dnl
624 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
625 dnl values of the second argument to the result of running
626 dnl the commands given by the third. It does not cache its
627 dnl result, so it is suitable for checks which should be
630 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
631 [AC_MSG_CHECKING([$1])
633 AC_MSG_RESULT([$][$2])
637 dnl FPTOOLS_GHC_VERSION(version)
638 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
639 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
641 dnl Test for version of installed ghc. Uses $GHC.
642 dnl [original version pinched from c2hs]
644 AC_DEFUN([FPTOOLS_GHC_VERSION],
645 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
646 ["${WithGhc-ghc}" --version > conftestghc 2>&1
647 cat conftestghc >&AS_MESSAGE_LOG_FD
648 #Useless Use Of cat award...
649 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
651 if test "[$]fptools_version_of_ghc" = ""
653 fptools_version_of_ghc='unknown'
655 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
656 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
657 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
659 if test "[$]fptools_version_of_ghc[_pl]" = ""
661 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
662 fptools_version_of_ghc[_pl]="0"
664 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
668 [$1]="[$]fptools_version_of_ghc[_all]"
670 [$1]="[$]fptools_version_of_ghc[_major]"
671 [$2]="[$]fptools_version_of_ghc[_minor]"
673 [$1]="[$]fptools_version_of_ghc[_major]"
674 [$2]="[$]fptools_version_of_ghc[_minor]"
675 [$3]="[$]fptools_version_of_ghc[_pl]"
677 [$1]="[$]fptools_version_of_ghc[_all]"
678 [$2]="[$]fptools_version_of_ghc[_major]"
679 [$3]="[$]fptools_version_of_ghc[_minor]"
680 [$4]="[$]fptools_version_of_ghc[_pl]"
686 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
687 # ---------------------------------------------------------------------------------
688 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
689 # additional flexibility of specifying the PROLOGUE and BODY.
690 AC_DEFUN([FP_CHECK_FUNC],
691 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
692 AC_CACHE_CHECK([for $1], fp_func,
693 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
694 [AS_VAR_SET(fp_func, yes)],
695 [AS_VAR_SET(fp_func, no)])])
696 AS_IF([test AS_VAR_GET(fp_func) = yes],
697 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
698 [Define to 1 if you have the `]$1[' function.]) $4],
700 AS_VAR_POPDEF([fp_func])dnl
706 # Generates a DocBook XML V4.2 document in conftest.xml.
707 AC_DEFUN([FP_GEN_DOCBOOK_XML],
709 cat > conftest.xml << EOF
710 <?xml version="1.0" encoding="iso-8859-1"?>
711 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
712 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
714 <title>A DocBook Test Document</title>
715 <chapter id="id-one">
716 <title>A Chapter Title</title>
717 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
719 <chapter id="id-two">
720 <title>Another Chapter Title</title>
721 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
725 ]) # FP_GEN_DOCBOOK_XML
730 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
731 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
732 AC_DEFUN([FP_PROG_XSLTPROC],
733 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
734 if test -z "$XsltprocCmd"; then
735 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation])
740 # FP_DIR_DOCBOOK_XSL(XSL-DIRS)
741 # ----------------------------
742 # Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The
743 # output variable DIR_DOCBOOK_XSL will contain the first usable directory or
744 # will be empty if none could be found.
745 AC_DEFUN([FP_DIR_DOCBOOK_XSL],
746 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
747 if test -n "$XsltprocCmd"; then
748 AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl,
750 fp_cv_dir_docbook_xsl=no
752 if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then
753 fp_cv_dir_docbook_xsl=$fp_var
759 if test x"$fp_cv_dir_docbook_xsl" = xno; then
760 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
763 DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl
765 AC_SUBST([DIR_DOCBOOK_XSL])
766 ])# FP_DIR_DOCBOOK_XSL
771 # Sets the output variable XmllintCmd to the full path of the XSLT processor
772 # xmllint. XmllintCmd is empty if xmllint could not be found.
773 AC_DEFUN([FP_PROG_XMLLINT],
774 [AC_PATH_PROG([XmllintCmd], [xmllint])
775 if test -z "$XmllintCmd"; then
776 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
781 # FP_CHECK_DOCBOOK_DTD
782 # --------------------
783 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
784 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
785 if test -n "$XmllintCmd"; then
786 AC_MSG_CHECKING([for DocBook DTD])
788 if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then
791 AC_MSG_RESULT([failed])
792 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
793 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
797 ])# FP_CHECK_DOCBOOK_DTD
802 # Generates a formatting objects document in conftest.fo.
803 AC_DEFUN([FP_GEN_FO],
805 cat > conftest.fo << EOF
806 <?xml version="1.0"?>
807 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
808 <fo:layout-master-set>
809 <fo:simple-page-master master-name="blank">
811 </fo:simple-page-master>
812 </fo:layout-master-set>
813 <fo:page-sequence master-reference="blank">
814 <fo:flow flow-name="xsl-region-body">
827 # Set the output variable 'FopCmd' to the first working 'fop' in the current
828 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
829 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
830 AC_DEFUN([FP_PROG_FOP],
831 [AC_PATH_PROGS([FopCmd1], [fop])
832 if test -n "$FopCmd1"; then
833 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
835 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
836 fp_cv_fop_usability=yes
838 fp_cv_fop_usability=no
841 if test x"$fp_cv_fop_usability" = xyes; then
845 if test -z "$FopCmd"; then
846 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
853 # FP_PROG_FO_PROCESSOR
854 # --------------------
855 # Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so
856 # try FOP first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd, and
858 AC_DEFUN([FP_PROG_FO_PROCESSOR],
859 [AC_REQUIRE([FP_PROG_FOP])
860 AC_PATH_PROG([XmltexCmd], [xmltex])
861 AC_PATH_PROG([DvipsCmd], [dvips])
862 if test -z "$FopCmd"; then
863 if test -z "$XmltexCmd"; then
864 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation])
866 if test -z "$DvipsCmd"; then
867 AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation])
870 AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex])
871 if test -z "$PdfxmltexCmd"; then
872 AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation])
874 elif test -z "$XmltexCmd"; then
875 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation])
877 ])# FP_PROG_FO_PROCESSOR
882 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
883 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
884 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
885 AC_DEFUN([FP_PROG_GHC_PKG],
886 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
887 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
888 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
889 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
891 fp_cv_matching_ghc_pkg=no
893 if test x"$fp_cv_matching_ghc_pkg" = xno; then
894 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
896 GhcPkgCmd=$fp_cv_matching_ghc_pkg
897 fi])# FP_PROG_GHC_PKG
900 # FP_GHC_HAS_READLINE
901 # -------------------
902 AC_DEFUN([FP_GHC_HAS_READLINE],
903 [AC_REQUIRE([FP_PROG_GHC_PKG])
904 AC_CACHE_CHECK([whether ghc has readline package], [fp_cv_ghc_has_readline],
905 [if "${GhcPkgCmd-ghc-pkg}" --show-package readline >/dev/null 2>&1; then
906 fp_cv_ghc_has_readline=yes
908 fp_cv_ghc_has_readline=no
910 AC_SUBST([GhcHasReadline], [`echo $fp_cv_ghc_has_readline | sed 'y/yesno/YESNO/'`])
911 ])# FP_GHC_HAS_READLINE
914 # FP_GCC_NEEDS_NO_OMIT_LFPTR
915 # --------------------------
916 # Some OSs (Mandrake Linux, in particular) configure GCC with
917 # -momit-leaf-frame-pointer on by default. If this is the case, we need to turn
918 # it off for mangling to work. The test is currently a bit crude, using only the
919 # version number of gcc. Defines HAVE_GCC_MNO_OMIT_LFPTR.
920 AC_DEFUN([FP_GCC_NEEDS_NO_OMIT_LFPTR],
921 [AC_REQUIRE([FP_HAVE_GCC])
922 AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], [fp_cv_gcc_needs_no_omit_lfptr],
923 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.2],
924 [fp_cv_gcc_needs_no_omit_lfptr=yes],
925 [fp_cv_gcc_needs_no_omit_lfptr=no])])
926 if test "$fp_cv_gcc_needs_no_omit_lfptr" = "yes"; then
927 AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.])
928 fi])# FP_GCC_NEEDS_NO_OMIT_LFPTR
930 # FP_GCC_HAS_NO_UNIT_AT_A_TIME
931 # --------------------------
932 AC_DEFUN([FP_GCC_HAS_NO_UNIT_AT_A_TIME],
933 [AC_REQUIRE([FP_HAVE_GCC])
934 AC_CACHE_CHECK([whether gcc has -fno-unit-at-a-time], [fp_cv_gcc_has_no_unit_at_a_time],
935 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
936 [fp_cv_gcc_has_no_unit_at_a_time=yes],
937 [fp_cv_gcc_has_no_unit_at_a_time=no])])
938 if test "$fp_cv_gcc_has_no_unit_at_a_time" = "yes"; then
939 AC_DEFINE([HAVE_GCC_HAS_NO_UNIT_AT_A_TIME], [1], [Define to 1 if gcc supports -fno-unit-at-a-time.])
942 # FP_SETUP_PROJECT_VERSION
943 # ---------------------
944 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
946 AC_SUBST([ProjectName], [$PACKAGE_NAME])
947 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
949 # Split PACKAGE_VERSION into (possibly empty) parts
950 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
951 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
952 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
953 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
955 # Calculate project version as an integer, using 2 digits for minor version
956 case $VERSION_MINOR in
957 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
958 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
959 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
961 AC_SUBST([ProjectVersionInt])
963 # The project patchlevel is zero unless stated otherwise
964 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
966 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
967 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
969 AC_SUBST([ProjectPatchLevel])
970 ])# FP_SETUP_PROJECT_VERSION