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 if test ! -f compiler/parser/Parser.hs || test ! -f compiler/main/ParsePkgConf.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
240 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.15],
241 [AC_MSG_ERROR([Happy version 1.15 or later is required to compile GHC.])])[]dnl
243 HappyVersion=$fptools_cv_happy_version;
244 AC_SUBST(HappyVersion)
248 dnl Check for Haddock and version. If there's no installed Haddock, we look
249 dnl for a haddock source tree and point the build system at that instead.
251 AC_DEFUN([FPTOOLS_HADDOCK],
252 [AC_PATH_PROG(HaddockCmd,haddock,)
253 dnl Darn, I forgot to make Haddock print out its version number when
254 dnl invoked with -v. We could try generating some HTML and grepping
255 dnl through that to find the version number, but I think we'll make
256 dnl do without it for now.
260 dnl Check for Alex and version. If we're building GHC, then we need
261 dnl at least Alex version 2.0. If there's no installed Alex, we look
262 dnl for a alex source tree and point the build system at that instead.
264 AC_DEFUN([FPTOOLS_ALEX],
266 AC_PATH_PROG(AlexCmd,alex,)
267 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
269 [if test x"$AlexCmd" != x; then
270 fptools_cv_alex_version="`$AlexCmd -v |
271 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
273 fptools_cv_alex_version="";
277 if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
279 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.0],
280 [AC_MSG_ERROR([Alex version 2.0 or later is required to compile GHC.])])[]dnl
282 AlexVersion=$fptools_cv_alex_version;
283 AC_SUBST(AlexVersion)
289 # Sets the output variable LdCmd to the (non-Cygwin version of the) full path
290 # of ld. Exits if no ld can be found
291 AC_DEFUN([FP_PROG_LD],
292 [AC_PATH_PROG([fp_prog_ld_raw], [ld])
293 if test -z "$fp_prog_ld_raw"; then
294 AC_MSG_ERROR([cannot find ld in your PATH, no idea how to link])
296 LdCmd=$fp_prog_ld_raw
297 case $HostPlatform in
298 *mingw32) if test x${OSTYPE} != xmsys; then
299 LdCmd="`cygpath -w ${fp_prog_ld_raw} | sed -e 's@\\\\@/@g'`"
300 AC_MSG_NOTICE([normalized ld command to $LdCmd])
302 # Insist on >= ld-2.15.x, since earlier versions doesn't handle
303 # the generation of relocatable object files with large amounts
304 # of relocations correctly. (cf. HSbase.o splittage-hack)
305 fp_prog_ld_version=`${LdCmd} --version | sed -n '/GNU ld/p' | tr -cd 0-9 | cut -b1-3`
306 FP_COMPARE_VERSIONS([$fp_prog_ld_version],[-lt],[214],
307 [AC_MSG_ERROR([GNU ld version later than 2.14 required to compile GHC on Windows.])])[]dnl
316 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
317 # variable's value is empty.
318 AC_DEFUN([FP_PROG_LD_X],
319 [AC_REQUIRE([FP_PROG_LD])
320 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
321 [echo 'foo() {}' > conftest.c
322 ${CC-cc} -c conftest.c
323 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
329 if test "$fp_cv_ld_x" = yes; then
340 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
342 AC_DEFUN([FP_PROG_LD_IS_GNU],
343 [AC_REQUIRE([FP_PROG_LD])
344 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
345 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
350 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
351 ])# FP_PROG_LD_IS_GNU
356 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
357 # version of it. Exits if no ar can be found
358 AC_DEFUN([FP_PROG_AR],
359 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
360 if test -z "$fp_prog_ar_raw"; then
361 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
363 fp_prog_ar=$fp_prog_ar_raw
364 case $HostPlatform in
365 *mingw32) if test x${OSTYPE} != xmsys; then
366 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
367 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
376 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
377 AC_DEFUN([FP_PROG_AR_IS_GNU],
378 [AC_REQUIRE([FP_PROG_AR])
379 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
380 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
381 fp_cv_prog_ar_is_gnu=yes
383 fp_cv_prog_ar_is_gnu=no
385 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
386 ])# FP_PROG_AR_IS_GNU
391 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
392 # to a non-Cygwin invocation of ar including these arguments.
393 AC_DEFUN([FP_PROG_AR_ARGS],
394 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
395 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
397 # GNU ar needs special treatment: it appears to have problems with
398 # object files with the same name if you use the 's' modifier, but
399 # simple 'ar q' works fine, and doesn't need a separate ranlib.
400 if test $fp_prog_ar_is_gnu = yes; then
401 fp_cv_prog_ar_args="q"
404 for fp_var in clqsZ clqs cqs clq cq ; do
406 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
407 fp_cv_prog_ar_args=$fp_var
412 if test -z "$fp_cv_prog_ar_args"; then
413 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
416 fp_prog_ar_args=$fp_cv_prog_ar_args
417 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
422 # FP_PROG_AR_NEEDS_RANLIB
423 # -----------------------
424 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
426 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
427 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
428 AC_REQUIRE([FP_PROG_AR_ARGS])
429 AC_REQUIRE([AC_PROG_CC])
430 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
431 [if test $fp_prog_ar_is_gnu = yes; then
432 fp_cv_prog_ar_needs_ranlib=no
433 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
434 # It's quite tedious to check for Apple's crazy timestamps in .a files,
436 fp_cv_prog_ar_needs_ranlib=yes
437 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
438 fp_cv_prog_ar_needs_ranlib=no
440 fp_cv_prog_ar_needs_ranlib=yes
442 if test $fp_cv_prog_ar_needs_ranlib = yes; then
448 ])# FP_PROG_AR_NEEDS_RANLIB
451 # FP_PROG_AR_SUPPORTS_INPUT
452 # -------------------------
453 # Sets the output variable ArSupportsInput to "-input" or "", depending on
454 # whether ar supports -input flag is supported or not.
455 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
456 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
457 AC_REQUIRE([FP_PROG_AR_ARGS])
458 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
459 [fp_cv_prog_ar_supports_input=no
460 if test $fp_prog_ar_is_gnu = no; then
463 if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
464 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
468 if test $fp_cv_prog_ar_supports_input = yes; then
469 ArSupportsInput="-input"
473 AC_SUBST([ArSupportsInput])
474 ])# FP_PROG_AR_SUPPORTS_INPUT
478 dnl AC_SHEBANG_PERL - can we she-bang perl?
480 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
481 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
486 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
487 if test $? -ne 69; then
488 fptools_cv_shebang_perl=yes
490 fptools_cv_shebang_perl=no
498 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
499 # output variables HaveGcc and GccVersion.
500 AC_DEFUN([FP_HAVE_GCC],
501 [AC_REQUIRE([AC_PROG_CC])
502 if test -z "$GCC"; then
507 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
508 AC_MSG_ERROR([gcc is required])
510 AC_CACHE_CHECK([version of gcc], [fp_gcc_version],
511 [if test "$fp_have_gcc" = "YES"; then
512 fp_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
513 FP_COMPARE_VERSIONS([$fp_gcc_version], [-lt], [2.0],
514 [AC_MSG_ERROR([Need at least gcc version 2.0 (3.4+ recommended)])])
516 fp_gcc_version="not-installed"
519 AC_SUBST([HaveGcc], [$fp_have_gcc])
520 AC_SUBST([GccVersion], [$fp_gcc_version])
523 AC_DEFUN([FP_MINGW_GCC],
526 mingw*) AC_MSG_CHECKING([whether $CC is a mingw gcc])
527 if $CC -v 2>&1 | grep mingw >/dev/null; then
531 AC_MSG_ERROR([Please use --with-gcc to specify a mingw gcc])
537 dnl Small feature test for perl version. Assumes PerlCmd
538 dnl contains path to perl binary
540 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
541 [$PerlCmd -v >conftest.out 2>&1
542 if grep "v5.6" conftest.out >/dev/null 2>&1; then
545 if grep "v5.8" conftest.out >/dev/null 2>&1; then
548 if grep "version 6" conftest.out >/dev/null 2>&1; then
551 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
559 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
560 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
561 # -----------------------------------------------------
562 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
563 # of PROG-TO-CHECK-FOR when found.
564 AC_DEFUN([FP_CHECK_PROG],
565 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
571 # Find a non-WinDoze version of the "find" utility.
572 AC_DEFUN([FP_PROG_FIND],
573 [AC_PATH_PROG([fp_prog_find], [find])
574 echo foo > conftest.txt
575 $fp_prog_find conftest.txt -print > conftest.out 2>&1
576 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
577 # OK, looks like a real "find".
578 FindCmd="$fp_prog_find"
580 # Found a poor WinDoze version of "find", ignore it.
581 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
582 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
584 rm -f conftest.txt conftest.out
585 AC_SUBST([FindCmd])[]dnl
591 # Find a Unix-like sort
592 AC_DEFUN([FP_PROG_SORT],
593 [AC_PATH_PROG([fp_prog_sort], [sort])
594 echo conwip > conftest.txt
595 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
596 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
598 SortCmd="$fp_prog_sort"
600 # Summink else..pick next one.
601 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
602 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
604 rm -f conftest.txt conftest.out
605 AC_SUBST([SortCmd])[]dnl
609 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
610 dnl values of the second argument to the result of running
611 dnl the commands given by the third. It does not cache its
612 dnl result, so it is suitable for checks which should be
615 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
616 [AC_MSG_CHECKING([$1])
618 AC_MSG_RESULT([$][$2])
622 dnl FPTOOLS_GHC_VERSION(version)
623 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
624 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
626 dnl Test for version of installed ghc. Uses $GHC.
627 dnl [original version pinched from c2hs]
629 AC_DEFUN([FPTOOLS_GHC_VERSION],
630 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
631 ["${WithGhc-ghc}" --version > conftestghc 2>&1
632 cat conftestghc >&AS_MESSAGE_LOG_FD
633 #Useless Use Of cat award...
634 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
636 if test "[$]fptools_version_of_ghc" = ""
638 fptools_version_of_ghc='unknown'
640 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
641 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
642 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
644 if test "[$]fptools_version_of_ghc[_pl]" = ""
646 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
647 fptools_version_of_ghc[_pl]="0"
649 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
653 [$1]="[$]fptools_version_of_ghc[_all]"
655 [$1]="[$]fptools_version_of_ghc[_major]"
656 [$2]="[$]fptools_version_of_ghc[_minor]"
658 [$1]="[$]fptools_version_of_ghc[_major]"
659 [$2]="[$]fptools_version_of_ghc[_minor]"
660 [$3]="[$]fptools_version_of_ghc[_pl]"
662 [$1]="[$]fptools_version_of_ghc[_all]"
663 [$2]="[$]fptools_version_of_ghc[_major]"
664 [$3]="[$]fptools_version_of_ghc[_minor]"
665 [$4]="[$]fptools_version_of_ghc[_pl]"
671 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
672 # ---------------------------------------------------------------------------------
673 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
674 # additional flexibility of specifying the PROLOGUE and BODY.
675 AC_DEFUN([FP_CHECK_FUNC],
676 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
677 AC_CACHE_CHECK([for $1], fp_func,
678 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
679 [AS_VAR_SET(fp_func, yes)],
680 [AS_VAR_SET(fp_func, no)])])
681 AS_IF([test AS_VAR_GET(fp_func) = yes],
682 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
683 [Define to 1 if you have the `]$1[' function.]) $4],
685 AS_VAR_POPDEF([fp_func])dnl
691 # Generates a DocBook XML V4.2 document in conftest.xml.
692 AC_DEFUN([FP_GEN_DOCBOOK_XML],
694 cat > conftest.xml << EOF
695 <?xml version="1.0" encoding="iso-8859-1"?>
696 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
697 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
699 <title>A DocBook Test Document</title>
700 <chapter id="id-one">
701 <title>A Chapter Title</title>
702 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
704 <chapter id="id-two">
705 <title>Another Chapter Title</title>
706 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
710 ]) # FP_GEN_DOCBOOK_XML
715 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
716 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
717 AC_DEFUN([FP_PROG_XSLTPROC],
718 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
719 if test -z "$XsltprocCmd"; then
720 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation])
725 # FP_DIR_DOCBOOK_XSL(XSL-DIRS)
726 # ----------------------------
727 # Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The
728 # output variable DIR_DOCBOOK_XSL will contain the first usable directory or
729 # will be empty if none could be found.
730 AC_DEFUN([FP_DIR_DOCBOOK_XSL],
731 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
732 if test -n "$XsltprocCmd"; then
733 AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl,
735 fp_cv_dir_docbook_xsl=no
737 if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then
738 fp_cv_dir_docbook_xsl=$fp_var
744 if test x"$fp_cv_dir_docbook_xsl" = xno; then
745 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
748 DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl
750 AC_SUBST([DIR_DOCBOOK_XSL])
751 ])# FP_DIR_DOCBOOK_XSL
756 # Sets the output variable XmllintCmd to the full path of the XSLT processor
757 # xmllint. XmllintCmd is empty if xmllint could not be found.
758 AC_DEFUN([FP_PROG_XMLLINT],
759 [AC_PATH_PROG([XmllintCmd], [xmllint])
760 if test -z "$XmllintCmd"; then
761 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
766 # FP_CHECK_DOCBOOK_DTD
767 # --------------------
768 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
769 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
770 if test -n "$XmllintCmd"; then
771 AC_MSG_CHECKING([for DocBook DTD])
773 if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then
776 AC_MSG_RESULT([failed])
777 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
778 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
782 ])# FP_CHECK_DOCBOOK_DTD
787 # Generates a formatting objects document in conftest.fo.
788 AC_DEFUN([FP_GEN_FO],
790 cat > conftest.fo << EOF
791 <?xml version="1.0"?>
792 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
793 <fo:layout-master-set>
794 <fo:simple-page-master master-name="blank">
796 </fo:simple-page-master>
797 </fo:layout-master-set>
798 <fo:page-sequence master-reference="blank">
799 <fo:flow flow-name="xsl-region-body">
812 # Set the output variable 'FopCmd' to the first working 'fop' in the current
813 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
814 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
815 AC_DEFUN([FP_PROG_FOP],
816 [AC_PATH_PROGS([FopCmd1], [fop])
817 if test -n "$FopCmd1"; then
818 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
820 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
821 fp_cv_fop_usability=yes
823 fp_cv_fop_usability=no
826 if test x"$fp_cv_fop_usability" = xyes; then
830 if test -z "$FopCmd"; then
831 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
838 # FP_PROG_FO_PROCESSOR
839 # --------------------
840 # Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so
841 # try FOP first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd, and
843 AC_DEFUN([FP_PROG_FO_PROCESSOR],
844 [AC_REQUIRE([FP_PROG_FOP])
845 AC_PATH_PROG([XmltexCmd], [xmltex])
846 AC_PATH_PROG([DvipsCmd], [dvips])
847 if test -z "$FopCmd"; then
848 if test -z "$XmltexCmd"; then
849 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation])
851 if test -z "$DvipsCmd"; then
852 AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation])
855 AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex])
856 if test -z "$PdfxmltexCmd"; then
857 AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation])
859 elif test -z "$XmltexCmd"; then
860 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation])
862 ])# FP_PROG_FO_PROCESSOR
867 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
868 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
869 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
870 AC_DEFUN([FP_PROG_GHC_PKG],
871 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
872 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
873 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
874 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
876 fp_cv_matching_ghc_pkg=no
878 if test x"$fp_cv_matching_ghc_pkg" = xno; then
879 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
881 GhcPkgCmd=$fp_cv_matching_ghc_pkg
882 fi])# FP_PROG_GHC_PKG
885 # FP_GHC_HAS_READLINE
886 # -------------------
887 AC_DEFUN([FP_GHC_HAS_READLINE],
888 [AC_REQUIRE([FP_PROG_GHC_PKG])
889 AC_CACHE_CHECK([whether ghc has readline package], [fp_cv_ghc_has_readline],
890 [if "${GhcPkgCmd-ghc-pkg}" --show-package readline >/dev/null 2>&1; then
891 fp_cv_ghc_has_readline=yes
893 fp_cv_ghc_has_readline=no
895 AC_SUBST([GhcHasReadline], [`echo $fp_cv_ghc_has_readline | sed 'y/yesno/YESNO/'`])
896 ])# FP_GHC_HAS_READLINE
899 # FP_GCC_NEEDS_NO_OMIT_LFPTR
900 # --------------------------
901 # Some OSs (Mandrake Linux, in particular) configure GCC with
902 # -momit-leaf-frame-pointer on by default. If this is the case, we need to turn
903 # it off for mangling to work. The test is currently a bit crude, using only the
904 # version number of gcc. Defines HAVE_GCC_MNO_OMIT_LFPTR.
905 AC_DEFUN([FP_GCC_NEEDS_NO_OMIT_LFPTR],
906 [AC_REQUIRE([FP_HAVE_GCC])
907 AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], [fp_cv_gcc_needs_no_omit_lfptr],
908 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.2],
909 [fp_cv_gcc_needs_no_omit_lfptr=yes],
910 [fp_cv_gcc_needs_no_omit_lfptr=no])])
911 if test "$fp_cv_gcc_needs_no_omit_lfptr" = "yes"; then
912 AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.])
913 fi])# FP_GCC_NEEDS_NO_OMIT_LFPTR
915 # FP_GCC_HAS_NO_UNIT_AT_A_TIME
916 # --------------------------
917 AC_DEFUN([FP_GCC_HAS_NO_UNIT_AT_A_TIME],
918 [AC_REQUIRE([FP_HAVE_GCC])
919 AC_CACHE_CHECK([whether gcc has -fno-unit-at-a-time], [fp_cv_gcc_has_no_unit_at_a_time],
920 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
921 [fp_cv_gcc_has_no_unit_at_a_time=yes],
922 [fp_cv_gcc_has_no_unit_at_a_time=no])])
923 if test "$fp_cv_gcc_has_no_unit_at_a_time" = "yes"; then
924 AC_DEFINE([HAVE_GCC_HAS_NO_UNIT_AT_A_TIME], [1], [Define to 1 if gcc supports -fno-unit-at-a-time.])
927 # FP_SETUP_PROJECT_VERSION
928 # ---------------------
929 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
931 AC_SUBST([ProjectName], [$PACKAGE_NAME])
932 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
934 # Split PACKAGE_VERSION into (possibly empty) parts
935 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
936 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
937 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
938 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
940 # Calculate project version as an integer, using 2 digits for minor version
941 case $VERSION_MINOR in
942 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
943 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
944 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
946 AC_SUBST([ProjectVersionInt])
948 # The project patchlevel is zero unless stated otherwise
949 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
951 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
952 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
954 AC_SUBST([ProjectPatchLevel])
955 ])# FP_SETUP_PROJECT_VERSION