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 2.0.1.
263 AC_DEFUN([FPTOOLS_ALEX],
265 AC_PATH_PROG(AlexCmd,alex,)
266 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
268 [if test x"$AlexCmd" != x; then
269 fptools_cv_alex_version="`$AlexCmd -v |
270 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
272 fptools_cv_alex_version="";
276 if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
278 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.0.1],
279 [AC_MSG_ERROR([Alex version 2.0.1 or later is required to compile GHC.])])[]dnl
281 AlexVersion=$fptools_cv_alex_version;
282 AC_SUBST(AlexVersion)
288 # Sets the output variable LdCmd to the (non-Cygwin version of the) full path
289 # of ld. Exits if no ld can be found
290 AC_DEFUN([FP_PROG_LD],
291 [AC_PATH_PROG([fp_prog_ld_raw], [ld])
292 if test -z "$fp_prog_ld_raw"; then
293 AC_MSG_ERROR([cannot find ld in your PATH, no idea how to link])
295 LdCmd=$fp_prog_ld_raw
296 case $HostPlatform in
297 *mingw32) if test x${OSTYPE} != xmsys; then
298 LdCmd="`cygpath -w ${fp_prog_ld_raw} | sed -e 's@\\\\@/@g'`"
299 AC_MSG_NOTICE([normalized ld command to $LdCmd])
301 # Insist on >= ld-2.15.x, since earlier versions doesn't handle
302 # the generation of relocatable object files with large amounts
303 # of relocations correctly. (cf. HSbase.o splittage-hack)
304 fp_prog_ld_version=`${LdCmd} --version | sed -n '/GNU ld/p' | tr -cd 0-9 | cut -b1-3`
305 FP_COMPARE_VERSIONS([$fp_prog_ld_version],[-lt],[214],
306 [AC_MSG_ERROR([GNU ld version later than 2.14 required to compile GHC on Windows.])])[]dnl
315 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
316 # variable's value is empty.
317 AC_DEFUN([FP_PROG_LD_X],
318 [AC_REQUIRE([FP_PROG_LD])
319 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
320 [echo 'foo() {}' > conftest.c
321 ${CC-cc} -c conftest.c
322 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
328 if test "$fp_cv_ld_x" = yes; then
339 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
341 AC_DEFUN([FP_PROG_LD_IS_GNU],
342 [AC_REQUIRE([FP_PROG_LD])
343 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
344 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
349 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
350 ])# FP_PROG_LD_IS_GNU
355 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
356 # version of it. Exits if no ar can be found
357 AC_DEFUN([FP_PROG_AR],
358 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
359 if test -z "$fp_prog_ar_raw"; then
360 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
362 fp_prog_ar=$fp_prog_ar_raw
363 case $HostPlatform in
364 *mingw32) if test x${OSTYPE} != xmsys; then
365 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
366 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
375 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
376 AC_DEFUN([FP_PROG_AR_IS_GNU],
377 [AC_REQUIRE([FP_PROG_AR])
378 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
379 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
380 fp_cv_prog_ar_is_gnu=yes
382 fp_cv_prog_ar_is_gnu=no
384 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
385 ])# FP_PROG_AR_IS_GNU
390 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
391 # to a non-Cygwin invocation of ar including these arguments.
392 AC_DEFUN([FP_PROG_AR_ARGS],
393 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
394 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
396 # GNU ar needs special treatment: it appears to have problems with
397 # object files with the same name if you use the 's' modifier, but
398 # simple 'ar q' works fine, and doesn't need a separate ranlib.
399 if test $fp_prog_ar_is_gnu = yes; then
400 fp_cv_prog_ar_args="q"
403 for fp_var in clqsZ clqs cqs clq cq ; do
405 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
406 fp_cv_prog_ar_args=$fp_var
411 if test -z "$fp_cv_prog_ar_args"; then
412 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
415 fp_prog_ar_args=$fp_cv_prog_ar_args
416 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
421 # FP_PROG_AR_NEEDS_RANLIB
422 # -----------------------
423 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
425 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
426 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
427 AC_REQUIRE([FP_PROG_AR_ARGS])
428 AC_REQUIRE([AC_PROG_CC])
429 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
430 [if test $fp_prog_ar_is_gnu = yes; then
431 fp_cv_prog_ar_needs_ranlib=no
432 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
433 # It's quite tedious to check for Apple's crazy timestamps in .a files,
435 fp_cv_prog_ar_needs_ranlib=yes
436 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
437 fp_cv_prog_ar_needs_ranlib=no
439 fp_cv_prog_ar_needs_ranlib=yes
441 if test $fp_cv_prog_ar_needs_ranlib = yes; then
447 ])# FP_PROG_AR_NEEDS_RANLIB
450 # FP_PROG_AR_SUPPORTS_INPUT
451 # -------------------------
452 # Sets the output variable ArSupportsInput to "-input" or "", depending on
453 # whether ar supports -input flag is supported or not.
454 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
455 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
456 AC_REQUIRE([FP_PROG_AR_ARGS])
457 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
458 [fp_cv_prog_ar_supports_input=no
459 if test $fp_prog_ar_is_gnu = no; then
462 if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
463 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
467 if test $fp_cv_prog_ar_supports_input = yes; then
468 ArSupportsInput="-input"
472 AC_SUBST([ArSupportsInput])
473 ])# FP_PROG_AR_SUPPORTS_INPUT
477 dnl AC_SHEBANG_PERL - can we she-bang perl?
479 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
480 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
485 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
486 if test $? -ne 69; then
487 fptools_cv_shebang_perl=yes
489 fptools_cv_shebang_perl=no
497 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
498 # output variables HaveGcc and GccVersion.
499 AC_DEFUN([FP_HAVE_GCC],
500 [AC_REQUIRE([AC_PROG_CC])
501 if test -z "$GCC"; then
506 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
507 AC_MSG_ERROR([gcc is required])
509 AC_CACHE_CHECK([version of gcc], [fp_gcc_version],
510 [if test "$fp_have_gcc" = "YES"; then
511 fp_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
512 FP_COMPARE_VERSIONS([$fp_gcc_version], [-lt], [2.0],
513 [AC_MSG_ERROR([Need at least gcc version 2.0 (3.4+ recommended)])])
515 fp_gcc_version="not-installed"
518 AC_SUBST([HaveGcc], [$fp_have_gcc])
519 AC_SUBST([GccVersion], [$fp_gcc_version])
522 AC_DEFUN([FP_MINGW_GCC],
525 mingw*) AC_MSG_CHECKING([whether $CC is a mingw gcc])
526 if $CC -v 2>&1 | grep mingw >/dev/null; then
530 AC_MSG_ERROR([Please use --with-gcc to specify a mingw gcc])
536 dnl Small feature test for perl version. Assumes PerlCmd
537 dnl contains path to perl binary
539 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
540 [$PerlCmd -v >conftest.out 2>&1
541 if grep "v5.6" conftest.out >/dev/null 2>&1; then
544 if grep "v5.8" conftest.out >/dev/null 2>&1; then
547 if grep "version 6" conftest.out >/dev/null 2>&1; then
550 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
558 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
559 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
560 # -----------------------------------------------------
561 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
562 # of PROG-TO-CHECK-FOR when found.
563 AC_DEFUN([FP_CHECK_PROG],
564 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
570 # Find a non-WinDoze version of the "find" utility.
571 AC_DEFUN([FP_PROG_FIND],
572 [AC_PATH_PROG([fp_prog_find], [find])
573 echo foo > conftest.txt
574 $fp_prog_find conftest.txt -print > conftest.out 2>&1
575 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
576 # OK, looks like a real "find".
577 FindCmd="$fp_prog_find"
579 # Found a poor WinDoze version of "find", ignore it.
580 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
581 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
583 rm -f conftest.txt conftest.out
584 AC_SUBST([FindCmd])[]dnl
590 # Find a Unix-like sort
591 AC_DEFUN([FP_PROG_SORT],
592 [AC_PATH_PROG([fp_prog_sort], [sort])
593 echo conwip > conftest.txt
594 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
595 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
597 SortCmd="$fp_prog_sort"
599 # Summink else..pick next one.
600 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
601 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
603 rm -f conftest.txt conftest.out
604 AC_SUBST([SortCmd])[]dnl
608 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
609 dnl values of the second argument to the result of running
610 dnl the commands given by the third. It does not cache its
611 dnl result, so it is suitable for checks which should be
614 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
615 [AC_MSG_CHECKING([$1])
617 AC_MSG_RESULT([$][$2])
621 dnl FPTOOLS_GHC_VERSION(version)
622 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
623 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
625 dnl Test for version of installed ghc. Uses $GHC.
626 dnl [original version pinched from c2hs]
628 AC_DEFUN([FPTOOLS_GHC_VERSION],
629 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
630 ["${WithGhc-ghc}" --version > conftestghc 2>&1
631 cat conftestghc >&AS_MESSAGE_LOG_FD
632 #Useless Use Of cat award...
633 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
635 if test "[$]fptools_version_of_ghc" = ""
637 fptools_version_of_ghc='unknown'
639 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
640 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
641 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
643 if test "[$]fptools_version_of_ghc[_pl]" = ""
645 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
646 fptools_version_of_ghc[_pl]="0"
648 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
652 [$1]="[$]fptools_version_of_ghc[_all]"
654 [$1]="[$]fptools_version_of_ghc[_major]"
655 [$2]="[$]fptools_version_of_ghc[_minor]"
657 [$1]="[$]fptools_version_of_ghc[_major]"
658 [$2]="[$]fptools_version_of_ghc[_minor]"
659 [$3]="[$]fptools_version_of_ghc[_pl]"
661 [$1]="[$]fptools_version_of_ghc[_all]"
662 [$2]="[$]fptools_version_of_ghc[_major]"
663 [$3]="[$]fptools_version_of_ghc[_minor]"
664 [$4]="[$]fptools_version_of_ghc[_pl]"
670 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
671 # ---------------------------------------------------------------------------------
672 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
673 # additional flexibility of specifying the PROLOGUE and BODY.
674 AC_DEFUN([FP_CHECK_FUNC],
675 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
676 AC_CACHE_CHECK([for $1], fp_func,
677 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
678 [AS_VAR_SET(fp_func, yes)],
679 [AS_VAR_SET(fp_func, no)])])
680 AS_IF([test AS_VAR_GET(fp_func) = yes],
681 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
682 [Define to 1 if you have the `]$1[' function.]) $4],
684 AS_VAR_POPDEF([fp_func])dnl
690 # Generates a DocBook XML V4.2 document in conftest.xml.
691 AC_DEFUN([FP_GEN_DOCBOOK_XML],
693 cat > conftest.xml << EOF
694 <?xml version="1.0" encoding="iso-8859-1"?>
695 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
696 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
698 <title>A DocBook Test Document</title>
699 <chapter id="id-one">
700 <title>A Chapter Title</title>
701 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
703 <chapter id="id-two">
704 <title>Another Chapter Title</title>
705 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
709 ]) # FP_GEN_DOCBOOK_XML
714 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
715 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
716 AC_DEFUN([FP_PROG_XSLTPROC],
717 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
718 if test -z "$XsltprocCmd"; then
719 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation])
724 # FP_DIR_DOCBOOK_XSL(XSL-DIRS)
725 # ----------------------------
726 # Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The
727 # output variable DIR_DOCBOOK_XSL will contain the first usable directory or
728 # will be empty if none could be found.
729 AC_DEFUN([FP_DIR_DOCBOOK_XSL],
730 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
731 if test -n "$XsltprocCmd"; then
732 AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl,
734 fp_cv_dir_docbook_xsl=no
736 if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then
737 fp_cv_dir_docbook_xsl=$fp_var
743 if test x"$fp_cv_dir_docbook_xsl" = xno; then
744 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
747 DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl
749 AC_SUBST([DIR_DOCBOOK_XSL])
750 ])# FP_DIR_DOCBOOK_XSL
755 # Sets the output variable XmllintCmd to the full path of the XSLT processor
756 # xmllint. XmllintCmd is empty if xmllint could not be found.
757 AC_DEFUN([FP_PROG_XMLLINT],
758 [AC_PATH_PROG([XmllintCmd], [xmllint])
759 if test -z "$XmllintCmd"; then
760 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
765 # FP_CHECK_DOCBOOK_DTD
766 # --------------------
767 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
768 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
769 if test -n "$XmllintCmd"; then
770 AC_MSG_CHECKING([for DocBook DTD])
772 if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then
775 AC_MSG_RESULT([failed])
776 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
777 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
781 ])# FP_CHECK_DOCBOOK_DTD
786 # Generates a formatting objects document in conftest.fo.
787 AC_DEFUN([FP_GEN_FO],
789 cat > conftest.fo << EOF
790 <?xml version="1.0"?>
791 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
792 <fo:layout-master-set>
793 <fo:simple-page-master master-name="blank">
795 </fo:simple-page-master>
796 </fo:layout-master-set>
797 <fo:page-sequence master-reference="blank">
798 <fo:flow flow-name="xsl-region-body">
811 # Set the output variable 'FopCmd' to the first working 'fop' in the current
812 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
813 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
814 AC_DEFUN([FP_PROG_FOP],
815 [AC_PATH_PROGS([FopCmd1], [fop])
816 if test -n "$FopCmd1"; then
817 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
819 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
820 fp_cv_fop_usability=yes
822 fp_cv_fop_usability=no
825 if test x"$fp_cv_fop_usability" = xyes; then
829 if test -z "$FopCmd"; then
830 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
837 # FP_PROG_FO_PROCESSOR
838 # --------------------
839 # Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so
840 # try FOP first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd, and
842 AC_DEFUN([FP_PROG_FO_PROCESSOR],
843 [AC_REQUIRE([FP_PROG_FOP])
844 AC_PATH_PROG([XmltexCmd], [xmltex])
845 AC_PATH_PROG([DvipsCmd], [dvips])
846 if test -z "$FopCmd"; then
847 if test -z "$XmltexCmd"; then
848 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation])
850 if test -z "$DvipsCmd"; then
851 AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation])
854 AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex])
855 if test -z "$PdfxmltexCmd"; then
856 AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation])
858 elif test -z "$XmltexCmd"; then
859 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation])
861 ])# FP_PROG_FO_PROCESSOR
866 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
867 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
868 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
869 AC_DEFUN([FP_PROG_GHC_PKG],
870 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
871 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
872 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
873 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
875 fp_cv_matching_ghc_pkg=no
877 if test x"$fp_cv_matching_ghc_pkg" = xno; then
878 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
880 GhcPkgCmd=$fp_cv_matching_ghc_pkg
881 fi])# FP_PROG_GHC_PKG
884 # FP_GHC_HAS_READLINE
885 # -------------------
886 AC_DEFUN([FP_GHC_HAS_READLINE],
887 [AC_REQUIRE([FP_PROG_GHC_PKG])
888 AC_CACHE_CHECK([whether ghc has readline package], [fp_cv_ghc_has_readline],
889 [if "${GhcPkgCmd-ghc-pkg}" --show-package readline >/dev/null 2>&1; then
890 fp_cv_ghc_has_readline=yes
892 fp_cv_ghc_has_readline=no
894 AC_SUBST([GhcHasReadline], [`echo $fp_cv_ghc_has_readline | sed 'y/yesno/YESNO/'`])
895 ])# FP_GHC_HAS_READLINE
898 # FP_GCC_NEEDS_NO_OMIT_LFPTR
899 # --------------------------
900 # Some OSs (Mandrake Linux, in particular) configure GCC with
901 # -momit-leaf-frame-pointer on by default. If this is the case, we need to turn
902 # it off for mangling to work. The test is currently a bit crude, using only the
903 # version number of gcc. Defines HAVE_GCC_MNO_OMIT_LFPTR.
904 AC_DEFUN([FP_GCC_NEEDS_NO_OMIT_LFPTR],
905 [AC_REQUIRE([FP_HAVE_GCC])
906 AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], [fp_cv_gcc_needs_no_omit_lfptr],
907 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.2],
908 [fp_cv_gcc_needs_no_omit_lfptr=yes],
909 [fp_cv_gcc_needs_no_omit_lfptr=no])])
910 if test "$fp_cv_gcc_needs_no_omit_lfptr" = "yes"; then
911 AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.])
912 fi])# FP_GCC_NEEDS_NO_OMIT_LFPTR
914 # FP_GCC_HAS_NO_UNIT_AT_A_TIME
915 # --------------------------
916 AC_DEFUN([FP_GCC_HAS_NO_UNIT_AT_A_TIME],
917 [AC_REQUIRE([FP_HAVE_GCC])
918 AC_CACHE_CHECK([whether gcc has -fno-unit-at-a-time], [fp_cv_gcc_has_no_unit_at_a_time],
919 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
920 [fp_cv_gcc_has_no_unit_at_a_time=yes],
921 [fp_cv_gcc_has_no_unit_at_a_time=no])])
922 if test "$fp_cv_gcc_has_no_unit_at_a_time" = "yes"; then
923 AC_DEFINE([HAVE_GCC_HAS_NO_UNIT_AT_A_TIME], [1], [Define to 1 if gcc supports -fno-unit-at-a-time.])
926 # FP_SETUP_PROJECT_VERSION
927 # ---------------------
928 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
930 AC_SUBST([ProjectName], [$PACKAGE_NAME])
931 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
933 # Split PACKAGE_VERSION into (possibly empty) parts
934 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
935 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
936 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
937 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
939 # Calculate project version as an integer, using 2 digits for minor version
940 case $VERSION_MINOR in
941 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
942 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
943 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
945 AC_SUBST([ProjectVersionInt])
947 # The project patchlevel is zero unless stated otherwise
948 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
950 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
951 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
953 AC_SUBST([ProjectPatchLevel])
954 ])# FP_SETUP_PROJECT_VERSION