1 # Extra autoconf macros for the Glasgow fptools
3 # To be a good autoconf citizen, names of local macros have prefixed with FP_ to
4 # ensure we don't clash with any pre-supplied autoconf ones.
7 # FP_EVAL_STDERR(COMMAND)
8 # -----------------------
9 # Eval COMMAND, save its stderr (without lines resulting from shell tracing)
10 # into the file conftest.err and the exit status in the variable fp_status.
11 AC_DEFUN([FP_EVAL_STDERR],
12 [{ (eval $1) 2>conftest.er1
14 grep -v '^ *+' conftest.er1 >conftest.err
16 (exit $fp_status); }[]dnl
20 # FP_CHECK_FLAG(FLAG, [ACTION-IF-SUPPORTED], [ACTION-IF-NOT-SUPPORTED])
21 # ---------------------------------------------------------------------
22 # Check to see whether the compiler for the current language supports a
25 # Implementation note: When given an unkown option, GCC issues an warning on
26 # stderr only, but returns an exit value of 0 nevertheless. Consequently we have
27 # to check stderr *and* the exit value.
30 AC_DEFUN(FP_CHECK_FLAG,
31 [AC_LANG_COMPILER_REQUIRE()dnl
32 AC_LANG_CASE([C], [fp_compiler="$CC" m4_pushdef([fp_Flags], [CFLAGS])],
33 [C++], [fp_compiler="$CXX" m4_pushdef([fp_Flags], [CXXFLAGS])],
34 [Fortran 77], [fp_compiler="$F77" m4_pushdef([fp_Flags], [FFLAGS])])
35 m4_pushdef([fp_Cache], [fp_cv_[]fp_Flags[]AS_TR_SH([$1])])[]dnl
36 AC_CACHE_CHECK([whether $fp_compiler accepts $1], [fp_Cache],
37 [AC_LANG_CONFTEST([AC_LANG_PROGRAM()])
38 fp_save_flags="$fp_Flags"
39 fp_Flags="$fp_Flags $1"
41 if FP_EVAL_STDERR([$ac_compile conftest.$ac_ext]) >/dev/null; then
42 test -s conftest.err || fp_Cache=yes
44 fp_Flags="$fp_save_flags"
45 rm -f conftest.err conftest.$ac_ext])
46 AS_IF([test $fp_Cache = yes], [$2], [$3])[]dnl
47 m4_popdef([fp_Cache])[]dnl
48 m4_popdef([fp_Flags])[]dnl
52 # FP_PROG_CONTEXT_DIFF
53 # --------------------
54 # Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
56 # Note: NeXTStep thinks diff'ing a file against itself is "trouble".
58 # Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
59 AC_DEFUN([FP_PROG_CONTEXT_DIFF],
60 [AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
64 for fp_var in '-C 1' '-c1'
66 if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
67 fp_cv_context_diff="diff $fp_var"
71 if test x"$fp_cv_context_diff" = xno; then
72 AC_MSG_ERROR([cannot figure out how to do context diffs])
74 AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
75 ])# FP_PROG_CONTEXT_DIFF
80 # Defines HAVE_DECL_ALTZONE to 1 if declared, 0 otherwise.
82 # Used by base package.
83 AC_DEFUN([FP_DECL_ALTZONE],
84 [AC_REQUIRE([AC_HEADER_TIME])dnl
85 AC_CHECK_HEADERS([sys/time.h])
86 AC_CHECK_DECLS([altzone], [], [],[#if TIME_WITH_SYS_TIME
87 # include <sys/time.h>
91 # include <sys/time.h>
99 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
100 # --------------------------------------------------------
101 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
102 # compilation. Execute IF-FAILS when unable to determine the value. Works for
103 # cross-compilation, too.
105 # Implementation note: We are lazy and use an internal autoconf macro, but it
106 # is supported in autoconf versions 2.50 up to the actual 2.57, so there is
108 AC_DEFUN([FP_COMPUTE_INT],
109 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
113 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
114 # ------------------------------------------------------------------
115 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
116 # given type. Defines ALIGNMENT_TYPE.
117 AC_DEFUN([FP_CHECK_ALIGNMENT],
118 [AS_LITERAL_IF([$1], [],
119 [AC_FATAL([$0: requires literal arguments])])[]dnl
120 AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
121 m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
122 AC_CACHE_CHECK([alignment of $1], [fp_Cache],
123 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
124 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
126 [AC_INCLUDES_DEFAULT([$3])],
127 [AC_MSG_ERROR([cannot compute alignment ($1)
128 See `config.log' for more details.], [77])])
132 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
133 m4_popdef([fp_Cache])[]dnl
134 ])# FP_CHECK_ALIGNMENT
137 # FP_LEADING_UNDERSCORE
138 # ---------------------
139 # Test for determining whether symbol names have a leading underscore. We assume
140 # that they _haven't_ if anything goes wrong. Sets the output variable
141 # LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
143 # Some nlist implementations seem to try to be compatible by ignoring a leading
144 # underscore sometimes (eg. FreeBSD). We therefore have to work around this by
145 # checking for *no* leading underscore first. Sigh. --SDM
147 # Similarly on OpenBSD, but this test doesn't help. -- dons
148 AC_DEFUN([FP_LEADING_UNDERSCORE],
149 [AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
150 AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
151 # Hack!: nlist() under Digital UNIX insist on there being an _,
152 # but symbol table listings shows none. What is going on here?!?
154 # Another hack: cygwin doesn't come with nlist.h , so we hardwire
155 # the underscoredness of that "platform"
156 case $HostPlatform in
157 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
159 i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
160 *) fptools_cv_leading_underscore=no ;;
162 alpha-dec-osf*) fptools_cv_leading_underscore=no;;
163 *cygwin32) fptools_cv_leading_underscore=yes;;
164 *mingw32) fptools_cv_leading_underscore=yes;;
165 *) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
167 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
168 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
176 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
178 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
182 }]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
185 AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
186 if test x"$fptools_cv_leading_underscore" = xyes; then
187 AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
188 fi])# FP_LEADING_UNDERSCORE
191 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
192 # ----------------------------------------------------------------------------------
193 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
194 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
195 AC_DEFUN([FP_COMPARE_VERSIONS],
196 [fp_version1=$1; fp_version2=$3
197 fp_save_IFS=$IFS; IFS='.'
198 while test x"$fp_version1" != x || test x"$fp_version2" != x
201 set dummy $fp_version1; shift
203 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
204 test x"$fp_num1" = x && fp_num1="0"
207 set dummy $fp_version2; shift
209 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
210 test x"$fp_num2" = x && fp_num2="0"
213 test "$fp_num1" = "$fp_num2" || break;
216 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
217 ])# FP_COMPARE_VERSIONS
221 dnl Check for GreenCard and version.
223 AC_DEFUN(FPTOOLS_GREENCARD,
225 AC_PATH_PROG(GreenCardCmd,greencard)
226 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
228 [if test x"$GreenCardCmd" != x; then
229 fptools_cv_greencard_version="`$GreenCardCmd --version |
230 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
232 fptools_cv_greencard_version=""
236 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
237 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
238 GreenCardVersion=$fptools_cv_greencard_version
239 AC_SUBST(GreenCardVersion)
243 dnl Check for Happy and version. If we're building GHC, then we need
244 dnl at least Happy version 1.14. If there's no installed Happy, we look
245 dnl for a happy source tree and point the build system at that instead.
247 AC_DEFUN(FPTOOLS_HAPPY,
249 if test -d $srcdir/happy; then
250 SrcTreeHappyCmd=$hardtop/happy/src/happy-inplace
252 if test x"$UseSrcTreeHappy" = xYES; then
253 HappyCmd=$SrcTreeHappyCmd
255 AC_PATH_PROG(HappyCmd,happy,$SrcTreeHappyCmd)
257 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
259 [if test x"$HappyCmd" = x"$SrcTreeHappyCmd" -a -e $srcdir/happy/mk/version.mk; then
260 fptools_cv_happy_version=`grep '^ProjectVersion[ ]*=' $srcdir/happy/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
261 elif test x"$HappyCmd" != x; then
262 fptools_cv_happy_version="`$HappyCmd -v |
263 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
265 fptools_cv_happy_version="";
269 if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Parser.hs; then
270 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.14],
271 [AC_MSG_ERROR([Happy version 1.14 or later is required to compile GHC.])])[]dnl
273 HappyVersion=$fptools_cv_happy_version;
274 AC_SUBST(HappyVersion)
278 dnl Check for Haddock and version. If there's no installed Haddock, we look
279 dnl for a haddock source tree and point the build system at that instead.
281 AC_DEFUN(FPTOOLS_HADDOCK,
283 if test -d $srcdir/haddock; then
284 SrcTreeHaddockCmd=$hardtop/haddock/src/haddock-inplace
286 if test x"$UseSrcTreeHaddock" = xYES; then
287 HaddockCmd=$SrcTreeHaddockCmd
289 AC_PATH_PROG(HaddockCmd,haddock,$SrcTreeHaddockCmd)
291 dnl Darn, I forgot to make Haddock print out its version number when
292 dnl invoked with -v. We could try generating some HTML and grepping
293 dnl through that to find the version number, but I think we'll make
294 dnl do without it for now.
298 dnl Check for Alex and version. If we're building GHC, then we need
299 dnl at least Alex version 2.0. If there's no installed Alex, we look
300 dnl for a alex source tree and point the build system at that instead.
302 AC_DEFUN(FPTOOLS_ALEX,
304 if test -d $srcdir/alex; then
305 SrcTreeAlexCmd=$hardtop/alex/src/alex-inplace
307 if test x"$UseSrcTreeAlex" = xYES; then
308 AlexCmd=$SrcTreeAlexCmd
310 AC_PATH_PROG(AlexCmd,alex,$SrcTreeAlexCmd)
312 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
314 [if test x"$AlexCmd" = x"$SrcTreeAlexCmd"; then
315 fptools_cv_alex_version=`grep '^ProjectVersion[ ]*=' $srcdir/alex/mk/version.mk | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`;
316 elif test x"$AlexCmd" != x; then
317 fptools_cv_alex_version="`$AlexCmd -v |
318 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
320 fptools_cv_alex_version="";
324 if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Lexer.hs; then
325 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.0],
326 [AC_MSG_ERROR([Alex version 2.0 or later is required to compile GHC.])])[]dnl
328 AlexVersion=$fptools_cv_alex_version;
329 AC_SUBST(AlexVersion)
334 dnl Check whether ld supports -x
336 AC_DEFUN(FPTOOLS_LD_X,
337 [AC_CACHE_CHECK([whether ld understands -x], fptools_cv_ld_x,
339 echo 'foo() {}' > conftest.c
340 ${CC-cc} -c conftest.c
341 if ${LdCmd} -r -x -o foo.o conftest.o; then
346 rm -rf conftest.c conftest.o foo.o
348 if test "$fptools_cv_ld_x" = yes; then
359 AC_DEFUN(FPTOOLS_GNU_LD,
360 [AC_CACHE_CHECK([whether ld is GNU ld], fptools_cv_gnu_ld,
362 if ${LdCmd} -v | grep GNU 2>&1 >/dev/null; then
363 fptools_cv_gnu_ld=yes
368 if test "$fptools_cv_gnu_ld" = yes; then
379 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
380 # version of it. Exits if no ar can be found
381 AC_DEFUN([FP_PROG_AR],
382 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
383 if test -z "$fp_prog_ar_raw"; then
384 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
386 fp_prog_ar=$fp_prog_ar_raw
387 case $HostPlatform in
388 *mingw32) if test x${OSTYPE} != xmsys; then
389 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
390 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
399 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
400 AC_DEFUN([FP_PROG_AR_IS_GNU],
401 [AC_REQUIRE([FP_PROG_AR])
402 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
403 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
404 fp_cv_prog_ar_is_gnu=yes
406 fp_cv_prog_ar_is_gnu=no
408 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
409 ])# FP_PROG_AR_IS_GNU
414 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
415 # to a non-Cygwin invocation of ar including these arguments.
416 AC_DEFUN([FP_PROG_AR_ARGS],
417 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
418 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
420 # GNU ar needs special treatment: it appears to have problems with
421 # object files with the same name if you use the 's' modifier, but
422 # simple 'ar q' works fine, and doesn't need a separate ranlib.
423 if test $fp_prog_ar_is_gnu = yes; then
424 fp_cv_prog_ar_args="q"
427 for fp_var in clqsZ clqs cqs clq cq ; do
429 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
430 fp_cv_prog_ar_args=$fp_var
435 if test -z "$fp_cv_prog_ar_args"; then
436 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
439 fp_prog_ar_args=$fp_cv_prog_ar_args
440 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
445 # FP_PROG_AR_NEEDS_RANLIB
446 # -----------------------
447 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
449 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
450 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
451 AC_REQUIRE([FP_PROG_AR_ARGS])
452 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
453 [if test $fp_prog_ar_is_gnu = yes; then
454 fp_cv_prog_ar_needs_ranlib=no
455 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
456 fp_cv_prog_ar_needs_ranlib=no
458 fp_cv_prog_ar_needs_ranlib=yes
460 if test $fp_cv_prog_ar_needs_ranlib = yes; then
466 ])# FP_PROG_AR_NEEDS_RANLIB
469 # FP_PROG_AR_SUPPORTS_INPUT
470 # -------------------------
471 # Sets the output variable ArSupportsInput to "-input" or "", depending on
472 # whether ar supports -input flag is supported or not.
473 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
474 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
475 AC_REQUIRE([FP_PROG_AR_ARGS])
476 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
477 [fp_cv_prog_ar_supports_input=no
478 if test $fp_prog_ar_is_gnu = no; then
481 if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
482 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
486 if test $fp_cv_prog_ar_supports_input = yes; then
487 ArSupportsInput="-input"
491 AC_SUBST([ArSupportsInput])
492 ])# FP_PROG_AR_SUPPORTS_INPUT
496 dnl AC_SHEBANG_PERL - can we she-bang perl?
498 AC_DEFUN(FPTOOLS_SHEBANG_PERL,
499 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
504 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
505 if test $? -ne 69; then
506 fptools_cv_shebang_perl=yes
508 fptools_cv_shebang_perl=no
516 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
517 # output variables HaveGcc and GccVersion.
518 AC_DEFUN([FP_HAVE_GCC],
519 [AC_REQUIRE([AC_PROG_CC])
520 AC_CACHE_CHECK([whether your gcc is OK], [fp_cv_have_gcc],
521 [if test -z "$GCC"; then
523 AC_MSG_WARN([You would be better off with gcc, perhaps it is already installed, but not in your PATH?])
526 gcc_version_str="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9]][[0-9]]*\)\.\([[0-9]][[0-9]]*\).*/\1\.\2/g' `"
527 FP_COMPARE_VERSIONS([$gcc_version_str], [-lt], [2.0],
528 [AC_MSG_ERROR([Need at least gcc version 2.0 (2.95.3 recommend)])])
530 AC_SUBST([HaveGcc], [`echo $fp_cv_have_gcc | sed 'y/yesno/YESNO/'`])
531 AC_SUBST([GccVersion], [`gcc --version | grep mingw | cut -f 3 -d ' '`])
534 AC_DEFUN([FP_MINGW_GCC],
537 mingw*) AC_MSG_CHECKING([whether $CC is a mingw gcc])
538 if $CC -v 2>&1 | grep mingw >/dev/null; then
542 AC_MSG_ERROR([Please use --with-gcc to specify a mingw gcc])
548 dnl Small feature test for perl version. Assumes PerlCmd
549 dnl contains path to perl binary
551 AC_DEFUN(FPTOOLS_CHECK_PERL_VERSION,
552 [$PerlCmd -v >conftest.out 2>&1
553 if grep "version 5" conftest.out >/dev/null 2>&1; then
556 if grep "v5.6" conftest.out >/dev/null 2>&1; then
559 if grep "v5.8" conftest.out >/dev/null 2>&1; then
562 if grep "version 6" conftest.out >/dev/null 2>&1; then
565 echo "Your version of perl probably won't work."
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
605 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
606 dnl values of the second argument to the result of running
607 dnl the commands given by the third. It does not cache its
608 dnl result, so it is suitable for checks which should be
611 AC_DEFUN(FPTOOLS_NOCACHE_CHECK,
612 [AC_MSG_CHECKING([$1])
614 AC_MSG_RESULT([$][$2])
618 dnl FPTOOLS_GHC_VERSION(version)
619 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
620 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
622 dnl Test for version of installed ghc. Uses $GHC.
623 dnl [original version pinched from c2hs]
625 AC_DEFUN(FPTOOLS_GHC_VERSION,
626 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
627 ["${WithGhc-ghc}" --version > conftestghc 2>&1
628 cat conftestghc >&AS_MESSAGE_LOG_FD
629 #Useless Use Of cat award...
630 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
632 if test "[$]fptools_version_of_ghc" = ""
634 fptools_version_of_ghc='unknown'
636 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
637 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
638 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
640 if test "[$]fptools_version_of_ghc[_pl]" = ""
642 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
643 fptools_version_of_ghc[_pl]="0"
645 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
649 [$1]="[$]fptools_version_of_ghc[_all]"
651 [$1]="[$]fptools_version_of_ghc[_major]"
652 [$2]="[$]fptools_version_of_ghc[_minor]"
654 [$1]="[$]fptools_version_of_ghc[_major]"
655 [$2]="[$]fptools_version_of_ghc[_minor]"
656 [$3]="[$]fptools_version_of_ghc[_pl]"
658 [$1]="[$]fptools_version_of_ghc[_all]"
659 [$2]="[$]fptools_version_of_ghc[_major]"
660 [$3]="[$]fptools_version_of_ghc[_minor]"
661 [$4]="[$]fptools_version_of_ghc[_pl]"
667 dnl ** Map an arithmetic C type to a Haskell type.
668 dnl Based on autconf's AC_CHECK_SIZEOF.
670 dnl FPTOOLS_CHECK_HTYPE(TYPE [, DEFAULT_VALUE, [, VALUE-FOR-CROSS-COMPILATION])
671 AC_DEFUN(FPTOOLS_CHECK_HTYPE,
672 [changequote(<<, >>)dnl
673 dnl The name to #define.
674 define(<<AC_TYPE_NAME>>, translit(htype_$1, [a-z *], [A-Z_P]))dnl
675 dnl The cache variable name.
676 define(<<AC_CV_NAME>>, translit(fptools_cv_htype_$1, [ *], [_p]))dnl
677 define(<<AC_CV_NAME_supported>>, translit(fptools_cv_htype_sup_$1, [ *], [_p]))dnl
679 AC_MSG_CHECKING(Haskell type for $1)
680 AC_CACHE_VAL(AC_CV_NAME,
681 [AC_CV_NAME_supported=yes
682 fp_check_htype_save_cppflags="$CPPFLAGS"
683 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
684 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
688 # include <sys/types.h>
696 # include <sys/stat.h>
712 # include <termios.h>
723 #if defined(HAVE_GL_GL_H)
725 #elif defined(HAVE_OPENGL_GL_H)
726 # include <OpenGL/gl.h>
729 #if defined(HAVE_AL_ALC_H)
731 #elif defined(HAVE_OPENAL_ALC_H)
732 # include <OpenAL/alc.h>
735 #if HAVE_SYS_RESOURCE_H
736 # include <sys/resource.h>
742 FILE *f=fopen("conftestval", "w");
744 if (((testing)((int)((testing)1.4))) == ((testing)1.4)) {
746 ((testing)(-1) < (testing)0) ? "Int" : "Word",
750 (sizeof(testing) > sizeof(double)) ? "LDouble" :
751 (sizeof(testing) == sizeof(double)) ? "Double" : "Float");
755 }]])],[AC_CV_NAME=`cat conftestval`],
756 [ifelse([$2], , [AC_CV_NAME=NotReallyAType; AC_CV_NAME_supported=no], [AC_CV_NAME=$2])],
757 [ifelse([$3], , [AC_CV_NAME=NotReallyATypeCross; AC_CV_NAME_supported=no], [AC_CV_NAME=$3])])]) dnl
758 CPPFLAGS="$fp_check_htype_save_cppflags"
759 if test "$AC_CV_NAME_supported" = yes; then
760 AC_MSG_RESULT($AC_CV_NAME)
761 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [Define to Haskell type for $1])
763 AC_MSG_RESULT([not supported])
765 undefine([AC_TYPE_NAME])dnl
766 undefine([AC_CV_NAME])dnl
767 undefine([AC_CV_NAME_supported])dnl
771 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
772 # ---------------------------------------------------------------------------------
773 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
774 # additional flexibility of specifying the PROLOGUE and BODY.
775 AC_DEFUN([FP_CHECK_FUNC],
776 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
777 AC_CACHE_CHECK([for $1], fp_func,
778 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
779 [AS_VAR_SET(fp_func, yes)],
780 [AS_VAR_SET(fp_func, no)])])
781 AS_IF([test AS_VAR_GET(fp_func) = yes],
782 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
783 [Define to 1 if you have the `]$1[' function.]) $4],
785 AS_VAR_POPDEF([fp_func])dnl
791 # Generates a DocBook XML V4.2 document in conftest.xml.
792 AC_DEFUN([FP_GEN_DOCBOOK_XML],
794 cat > conftest.xml << EOF
795 <?xml version="1.0" encoding="iso-8859-1"?>
796 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
797 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
799 <title>A DocBook Test Document</title>
800 <chapter id="id-one">
801 <title>A Chapter Title</title>
802 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
804 <chapter id="id-two">
805 <title>Another Chapter Title</title>
806 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
810 ]) # FP_GEN_DOCBOOK_XML
815 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
816 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
817 AC_DEFUN([FP_PROG_XSLTPROC],
818 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
819 if test -z "$XsltprocCmd"; then
820 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation])
825 # FP_DIR_DOCBOOK_XSL(XSL-DIRS)
826 # ----------------------------
827 # Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The
828 # output variable DIR_DOCBOOK_XSL will contain the first usable directory or
829 # will be empty if none could be found.
830 AC_DEFUN([FP_DIR_DOCBOOK_XSL],
831 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
832 if test -n "$XsltprocCmd"; then
833 AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl,
835 fp_cv_dir_docbook_xsl=no
837 if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then
838 fp_cv_dir_docbook_xsl=$fp_var
844 if test x"$fp_cv_dir_docbook_xsl" = xno; then
845 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
848 DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl
850 AC_SUBST([DIR_DOCBOOK_XSL])
851 ])# FP_DIR_DOCBOOK_XSL
856 # Sets the output variable XmllintCmd to the full path of the XSLT processor
857 # xmllint. XmllintCmd is empty if xmllint could not be found.
858 AC_DEFUN([FP_PROG_XMLLINT],
859 [AC_PATH_PROG([XmllintCmd], [xmllint])
860 if test -z "$XmllintCmd"; then
861 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
866 # FP_CHECK_DOCBOOK_DTD
867 # --------------------
868 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
869 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
870 if test -n "$XmllintCmd"; then
871 AC_MSG_CHECKING([for DocBook DTD])
873 if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then
876 AC_MSG_RESULT([failed])
877 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
878 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
882 ])# FP_CHECK_DOCBOOK_DTD
887 # Generates a formatting objects document in conftest.fo.
888 AC_DEFUN([FP_GEN_FO],
890 cat > conftest.fo << EOF
891 <?xml version="1.0"?>
892 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
893 <fo:layout-master-set>
894 <fo:simple-page-master master-name="blank">
896 </fo:simple-page-master>
897 </fo:layout-master-set>
898 <fo:page-sequence master-reference="blank">
899 <fo:flow flow-name="xsl-region-body">
912 # Set the output variable 'FopCmd' to the first working 'fop' in the current
913 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
914 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
915 AC_DEFUN([FP_PROG_FOP],
916 [AC_PATH_PROGS([FopCmd1], [fop])
917 if test -n "$FopCmd1"; then
918 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
920 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
921 fp_cv_fop_usability=yes
923 fp_cv_fop_usability=no
926 if test x"$fp_cv_fop_usability" = xyes; then
930 if test -z "$FopCmd"; then
931 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
938 # FP_PROG_FO_PROCESSOR
939 # --------------------
940 # Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so
941 # try FOP first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd, and
943 AC_DEFUN([FP_PROG_FO_PROCESSOR],
944 [AC_REQUIRE([FP_PROG_FOP])
945 AC_PATH_PROG([XmltexCmd], [xmltex])
946 AC_PATH_PROG([DvipsCmd], [dvips])
947 if test -z "$FopCmd"; then
948 if test -z "$XmltexCmd"; then
949 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation])
951 if test -z "$DvipsCmd"; then
952 AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation])
955 AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex])
956 if test -z "$PdfxmltexCmd"; then
957 AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation])
959 elif test -z "$XmltexCmd"; then
960 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation])
962 ])# FP_PROG_FO_PROCESSOR
967 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
968 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
969 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
970 AC_DEFUN([FP_PROG_GHC_PKG],
971 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
972 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
973 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
974 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
976 fp_cv_matching_ghc_pkg=no
978 if test x"$fp_cv_matching_ghc_pkg" = xno; then
979 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
981 GhcPkgCmd=$fp_cv_matching_ghc_pkg
982 fi])# FP_PROG_GHC_PKG