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 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
360 # version of it. Exits if no ar can be found
361 AC_DEFUN([FP_PROG_AR],
362 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
363 if test -z "$fp_prog_ar_raw"; then
364 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
366 fp_prog_ar=$fp_prog_ar_raw
367 case $HostPlatform in
368 *mingw32) if test x${OSTYPE} != xmsys; then
369 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
370 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
379 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
380 AC_DEFUN([FP_PROG_AR_IS_GNU],
381 [AC_REQUIRE([FP_PROG_AR])
382 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
383 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
384 fp_cv_prog_ar_is_gnu=yes
386 fp_cv_prog_ar_is_gnu=no
388 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
389 ])# FP_PROG_AR_IS_GNU
394 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
395 # to a non-Cygwin invocation of ar including these arguments.
396 AC_DEFUN([FP_PROG_AR_ARGS],
397 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
398 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
400 # GNU ar needs special treatment: it appears to have problems with
401 # object files with the same name if you use the 's' modifier, but
402 # simple 'ar q' works fine, and doesn't need a separate ranlib.
403 if test $fp_prog_ar_is_gnu = yes; then
404 fp_cv_prog_ar_args="q"
407 for fp_var in clqsZ clqs cqs clq cq ; do
409 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
410 fp_cv_prog_ar_args=$fp_var
415 if test -z "$fp_cv_prog_ar_args"; then
416 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
419 fp_prog_ar_args=$fp_cv_prog_ar_args
420 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
425 # FP_PROG_AR_NEEDS_RANLIB
426 # -----------------------
427 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
429 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
430 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
431 AC_REQUIRE([FP_PROG_AR_ARGS])
432 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
433 [if test $fp_prog_ar_is_gnu = yes; then
434 fp_cv_prog_ar_needs_ranlib=no
435 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
436 fp_cv_prog_ar_needs_ranlib=no
438 fp_cv_prog_ar_needs_ranlib=yes
440 if test $fp_cv_prog_ar_needs_ranlib = yes; then
446 ])# FP_PROG_AR_NEEDS_RANLIB
449 # FP_PROG_AR_SUPPORTS_INPUT
450 # -------------------------
451 # Sets the output variable ArSupportsInput to "-input" or "", depending on
452 # whether ar supports -input flag is supported or not.
453 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
454 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
455 AC_REQUIRE([FP_PROG_AR_ARGS])
456 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
457 [fp_cv_prog_ar_supports_input=no
458 if test $fp_prog_ar_is_gnu = no; then
461 if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
462 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
466 if test $fp_cv_prog_ar_supports_input = yes; then
467 ArSupportsInput="-input"
471 AC_SUBST([ArSupportsInput])
472 ])# FP_PROG_AR_SUPPORTS_INPUT
476 dnl AC_SHEBANG_PERL - can we she-bang perl?
478 AC_DEFUN(FPTOOLS_SHEBANG_PERL,
479 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
484 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
485 if test $? -ne 69; then
486 fptools_cv_shebang_perl=yes
488 fptools_cv_shebang_perl=no
494 dnl Extra testing of the result AC_PROG_CC, testing the gcc version no.
495 dnl *Must* be called after AC_PROG_CC
497 AC_DEFUN(FPTOOLS_HAVE_GCC,
498 [AC_CACHE_CHECK([whether you have an ok gcc], fptools_cv_have_gcc,
499 [if test -z "$GCC"; then
501 echo "You would be better off with gcc"
502 echo "Perhaps it is already installed, but not in your PATH?"
503 fptools_cv_have_gcc='no'
506 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' `"
508 fptools_cv_have_gcc='yes'
509 FP_COMPARE_VERSIONS([$gcc_version_str], [-lt], [2.0],
510 [fptools_cv_have_gcc='no'
512 echo "your gcc version appears to be ..."
514 echo "gcc prior to 2.0 and have never worked with ghc."
515 echo "we recommend 2.95.3, although versions back to 2.7.2 should be ok."
516 AC_MSG_ERROR([gcc 1.X has never been supported])])
519 HaveGcc=`echo $fptools_cv_have_gcc | sed 'y/yesno/YESNO/'`
521 GccVersion=`gcc --version | grep mingw | cut -f 3 -d ' '`
526 dnl Some OSs (Mandrake Linux, in particular) configure GCC with
527 dnl -momit-leaf-frame-pointer on by default. If this is the case, we
528 dnl need to turn it off for mangling to work. The test is currently a bit
529 dnl crude, using only the version number of gcc.
531 AC_DEFUN([FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR],
532 [AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], [fptools_cv_gcc_needs_no_omit_lfptr],
533 [FP_COMPARE_VERSIONS([$gcc_version_str], [-ge], [3.2],
534 [fptools_cv_gcc_needs_no_omit_lfptr=yes],
535 [fptools_cv_gcc_needs_no_omit_lfptr=no])])
536 if test "$fptools_cv_gcc_needs_no_omit_lfptr" = "yes"; then
537 AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.])
538 fi])# FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
541 dnl Small feature test for perl version. Assumes PerlCmd
542 dnl contains path to perl binary
544 AC_DEFUN(FPTOOLS_CHECK_PERL_VERSION,
545 [$PerlCmd -v >conftest.out 2>&1
546 if grep "version 5" conftest.out >/dev/null 2>&1; then
549 if grep "v5.6" conftest.out >/dev/null 2>&1; then
552 if grep "v5.8" conftest.out >/dev/null 2>&1; then
555 if grep "version 6" conftest.out >/dev/null 2>&1; then
558 echo "Your version of perl probably won't work."
567 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
568 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
569 # -----------------------------------------------------
570 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
571 # of PROG-TO-CHECK-FOR when found.
572 AC_DEFUN([FP_CHECK_PROG],
573 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
579 # Find a non-WinDoze version of the "find" utility.
580 AC_DEFUN([FP_PROG_FIND],
581 [AC_PATH_PROG([fp_prog_find], [find])
582 echo foo > conftest.txt
583 $fp_prog_find conftest.txt -print > conftest.out 2>&1
584 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
585 # OK, looks like a real "find".
586 FindCmd="$fp_prog_find"
588 # Found a poor WinDoze version of "find", ignore it.
589 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
590 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
592 rm -f conftest.txt conftest.out
593 AC_SUBST([FindCmd])[]dnl
598 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
599 dnl values of the second argument to the result of running
600 dnl the commands given by the third. It does not cache its
601 dnl result, so it is suitable for checks which should be
604 AC_DEFUN(FPTOOLS_NOCACHE_CHECK,
605 [AC_MSG_CHECKING([$1])
607 AC_MSG_RESULT([$][$2])
611 dnl FPTOOLS_GHC_VERSION(version)
612 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
613 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
615 dnl Test for version of installed ghc. Uses $GHC.
616 dnl [original version pinched from c2hs]
618 AC_DEFUN(FPTOOLS_GHC_VERSION,
619 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
620 ["${WithGhc-ghc}" --version > conftestghc 2>&1
621 cat conftestghc >&AS_MESSAGE_LOG_FD
622 #Useless Use Of cat award...
623 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
625 if test "[$]fptools_version_of_ghc" = ""
627 fptools_version_of_ghc='unknown'
629 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
630 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
631 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
633 if test "[$]fptools_version_of_ghc[_pl]" = ""
635 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
636 fptools_version_of_ghc[_pl]="0"
638 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
642 [$1]="[$]fptools_version_of_ghc[_all]"
644 [$1]="[$]fptools_version_of_ghc[_major]"
645 [$2]="[$]fptools_version_of_ghc[_minor]"
647 [$1]="[$]fptools_version_of_ghc[_major]"
648 [$2]="[$]fptools_version_of_ghc[_minor]"
649 [$3]="[$]fptools_version_of_ghc[_pl]"
651 [$1]="[$]fptools_version_of_ghc[_all]"
652 [$2]="[$]fptools_version_of_ghc[_major]"
653 [$3]="[$]fptools_version_of_ghc[_minor]"
654 [$4]="[$]fptools_version_of_ghc[_pl]"
660 AC_DEFUN(FPTOOLS_GHC_HAS_READLINE,
661 [AC_CACHE_CHECK([whether ghc has readline package], [fptools_ghc_has_readline],
662 [if "${GhcPkgCmd-ghc-pkg}" --show-package readline >/dev/null 2>&1; then
663 fptools_ghc_has_readline='yes';
664 GhcHasReadline='YES';
666 fptools_ghc_has_readline='no';
669 AC_SUBST(GhcHasReadline)
673 dnl ** Map an arithmetic C type to a Haskell type.
674 dnl Based on autconf's AC_CHECK_SIZEOF.
676 dnl FPTOOLS_CHECK_HTYPE(TYPE [, DEFAULT_VALUE, [, VALUE-FOR-CROSS-COMPILATION])
677 AC_DEFUN(FPTOOLS_CHECK_HTYPE,
678 [changequote(<<, >>)dnl
679 dnl The name to #define.
680 define(<<AC_TYPE_NAME>>, translit(htype_$1, [a-z *], [A-Z_P]))dnl
681 dnl The cache variable name.
682 define(<<AC_CV_NAME>>, translit(fptools_cv_htype_$1, [ *], [_p]))dnl
683 define(<<AC_CV_NAME_supported>>, translit(fptools_cv_htype_sup_$1, [ *], [_p]))dnl
685 AC_MSG_CHECKING(Haskell type for $1)
686 AC_CACHE_VAL(AC_CV_NAME,
687 [AC_CV_NAME_supported=yes
688 fp_check_htype_save_cppflags="$CPPFLAGS"
689 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
690 AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
694 # include <sys/types.h>
702 # include <sys/stat.h>
718 # include <termios.h>
729 #if defined(HAVE_GL_GL_H)
731 #elif defined(HAVE_OPENGL_GL_H)
732 # include <OpenGL/gl.h>
735 #if defined(HAVE_AL_ALC_H)
737 #elif defined(HAVE_OPENAL_ALC_H)
738 # include <OpenAL/alc.h>
741 #if HAVE_SYS_RESOURCE_H
742 # include <sys/resource.h>
748 FILE *f=fopen("conftestval", "w");
750 if (((testing)((int)((testing)1.4))) == ((testing)1.4)) {
752 ((testing)(-1) < (testing)0) ? "Int" : "Word",
756 (sizeof(testing) > sizeof(double)) ? "LDouble" :
757 (sizeof(testing) == sizeof(double)) ? "Double" : "Float");
761 }]])],[AC_CV_NAME=`cat conftestval`],
762 [ifelse([$2], , [AC_CV_NAME=NotReallyAType; AC_CV_NAME_supported=no], [AC_CV_NAME=$2])],
763 [ifelse([$3], , [AC_CV_NAME=NotReallyATypeCross; AC_CV_NAME_supported=no], [AC_CV_NAME=$3])])]) dnl
764 CPPFLAGS="$fp_check_htype_save_cppflags"
765 if test "$AC_CV_NAME_supported" = yes; then
766 AC_MSG_RESULT($AC_CV_NAME)
767 AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [Define to Haskell type for $1])
769 AC_MSG_RESULT([not supported])
771 undefine([AC_TYPE_NAME])dnl
772 undefine([AC_CV_NAME])dnl
773 undefine([AC_CV_NAME_supported])dnl
777 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
778 # ---------------------------------------------------------------------------------
779 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
780 # additional flexibility of specifying the PROLOGUE and BODY.
781 AC_DEFUN([FP_CHECK_FUNC],
782 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
783 AC_CACHE_CHECK([for $1], fp_func,
784 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
785 [AS_VAR_SET(fp_func, yes)],
786 [AS_VAR_SET(fp_func, no)])])
787 AS_IF([test AS_VAR_GET(fp_func) = yes],
788 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
789 [Define to 1 if you have the `]$1[' function.]) $4],
791 AS_VAR_POPDEF([fp_func])dnl
797 # Generates a DocBook XML V4.2 document in conftest.xml.
798 AC_DEFUN([FP_GEN_DOCBOOK_XML],
800 cat > conftest.xml << EOF
801 <?xml version="1.0" encoding="iso-8859-1"?>
802 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
803 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
805 <title>A DocBook Test Document</title>
806 <chapter id="id-one">
807 <title>A Chapter Title</title>
808 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
810 <chapter id="id-two">
811 <title>Another Chapter Title</title>
812 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
816 ]) # FP_GEN_DOCBOOK_XML
821 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
822 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
823 AC_DEFUN([FP_PROG_XSLTPROC],
824 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
825 if test -z "$XsltprocCmd"; then
826 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation])
831 # FP_DIR_DOCBOOK_XSL(XSL-DIRS)
832 # ----------------------------
833 # Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The
834 # output variable DIR_DOCBOOK_XSL will contain the first usable directory or
835 # will be empty if none could be found.
836 AC_DEFUN([FP_DIR_DOCBOOK_XSL],
837 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
838 if test -n "$XsltprocCmd"; then
839 AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl,
841 fp_cv_dir_docbook_xsl=no
843 if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then
844 fp_cv_dir_docbook_xsl=$fp_var
850 if test x"$fp_cv_dir_docbook_xsl" = xno; then
851 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
854 DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl
856 AC_SUBST([DIR_DOCBOOK_XSL])
857 ])# FP_DIR_DOCBOOK_XSL
862 # Sets the output variable XmllintCmd to the full path of the XSLT processor
863 # xmllint. XmllintCmd is empty if xmllint could not be found.
864 AC_DEFUN([FP_PROG_XMLLINT],
865 [AC_PATH_PROG([XmllintCmd], [xmllint])
866 if test -z "$XmllintCmd"; then
867 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
872 # FP_CHECK_DOCBOOK_DTD
873 # --------------------
874 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
875 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
876 if test -n "$XmllintCmd"; then
877 AC_MSG_CHECKING([for DocBook DTD])
879 if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then
882 AC_MSG_RESULT([failed])
883 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
884 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
888 ])# FP_CHECK_DOCBOOK_DTD
893 # Generates a formatting objects document in conftest.fo.
894 AC_DEFUN([FP_GEN_FO],
896 cat > conftest.fo << EOF
897 <?xml version="1.0"?>
898 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
899 <fo:layout-master-set>
900 <fo:simple-page-master master-name="blank">
902 </fo:simple-page-master>
903 </fo:layout-master-set>
904 <fo:page-sequence master-reference="blank">
905 <fo:flow flow-name="xsl-region-body">
918 # Set the output variable 'FopCmd' to the first working 'fop' in the current
919 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
920 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
921 AC_DEFUN([FP_PROG_FOP],
922 [AC_PATH_PROGS([FopCmd1], [fop])
923 if test -n "$FopCmd1"; then
924 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
926 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
927 fp_cv_fop_usability=yes
929 fp_cv_fop_usability=no
932 if test x"$fp_cv_fop_usability" = xyes; then
936 if test -z "$FopCmd"; then
937 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
944 # FP_PROG_FO_PROCESSOR
945 # --------------------
946 # Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so
947 # try FOP first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd, and
949 AC_DEFUN([FP_PROG_FO_PROCESSOR],
950 [AC_REQUIRE([FP_PROG_FOP])
951 AC_PATH_PROG([XmltexCmd], [xmltex])
952 AC_PATH_PROG([DvipsCmd], [dvips])
953 if test -z "$FopCmd"; then
954 if test -z "$XmltexCmd"; then
955 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation])
957 if test -z "$DvipsCmd"; then
958 AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation])
961 AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex])
962 if test -z "$PdfxmltexCmd"; then
963 AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation])
965 elif test -z "$XmltexCmd"; then
966 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation])
968 ])# FP_PROG_FO_PROCESSOR
973 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
974 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
975 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
976 AC_DEFUN([FP_PROG_GHC_PKG],
977 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
978 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
979 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
980 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
982 fp_cv_matching_ghc_pkg=no
984 if test x"$fp_cv_matching_ghc_pkg" = xno; then
985 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
987 GhcPkgCmd=$fp_cv_matching_ghc_pkg
988 fi])# FP_PROG_GHC_PKG
993 # If Windows is the target platform (e.g. MinGW/MSYS or Cygwin with
994 # -mno-cygwin), the variable "is_win32" is set to "yes", otherwise (e.g. *nix
995 # systems or plain Cygwin) it is set to "no".
996 AC_DEFUN([FP_CHECK_WIN32],
997 [AC_CACHE_CHECK([for Windows environment], [fp_cv_is_win32],
998 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
1002 ])], [fp_cv_is_win32=yes], [fp_cv_is_win32=no])])
1003 is_win32="$fp_cv_is_win32"[]dnl
1009 # Same as AC_PATH_X, but works even for broken Cygwins which try to include the
1010 # non-existant <gl/mesa_wgl.h> header when -mno-cygwin is used.
1011 AC_DEFUN([FP_PATH_X],
1012 [AC_REQUIRE([FP_CHECK_WIN32])
1013 if test x"$is_win32" = xyes; then
1023 # Same as AC_PATH_XTRA, but works even for broken Cygwins which try to include
1024 # the non-existant <gl/mesa_wgl.h> header when -mno-cygwin is used.
1025 AC_DEFUN([FP_PATH_XTRA],
1026 [AC_REQUIRE([FP_CHECK_WIN32])
1027 if test x"$is_win32" = xyes; then
1035 # FP_CHECK_GL_HELPER(LIBNAME, LIBS, INCLUDES, FUNCTION-BODY)
1036 # ----------------------------------------------------------
1037 # Try each library in LIBS to successfully link INCLUDES plus FUNCTION-BODY,
1038 # setting LIBNAME_CFLAGS and LIBNAME_LIBS to the corresponding values. Sets
1039 # no_LIBNAME to "yes" if no suitable library was found. (LIBNAME_CFLAGS0
1040 # contains the value of LIBNAME_CFLAGS without CPPFLAGS, and LIBNAME_LIBS0
1041 # contains the value of LIBNAME_LIBS without LDFLAGS, but these are only
1043 AC_DEFUN([FP_CHECK_GL_HELPER],
1044 [AC_CACHE_CHECK([for $1 library], [fp_cv_check_$1_lib],
1045 [fp_cv_check_$1_lib="no"
1046 fp_save_CPPFLAGS="$CPPFLAGS"
1047 CPPFLAGS="$CPPFLAGS ${$1_CFLAGS}"
1048 fp_save_LIBS="$LIBS"
1049 for fp_try_lib in $2; do
1050 # transform "-lfoo" to "foo.lib" when using cl
1051 if test x"$CC" = xcl; then
1052 fp_try_lib=`echo $fp_try_lib | sed -e 's/^-l//' -e 's/$/.lib/'`
1054 LIBS="$fp_try_lib ${$1_LIBS} $fp_save_LIBS"
1055 AC_LINK_IFELSE([AC_LANG_PROGRAM([$3], [$4])], [fp_cv_check_$1_lib="$fp_try_lib ${$1_LIBS}"; break])
1057 LIBS="$fp_save_LIBS"
1058 CPPFLAGS="$fp_save_CPPFLAGS"])
1060 if test x"$fp_cv_check_$1_lib" = xno; then
1065 $1_CFLAGS0="${$1_CFLAGS}"
1066 $1_CFLAGS="$CPPFLAGS ${$1_CFLAGS0}"
1067 $1_LIBS0="$fp_cv_check_$1_lib"
1068 $1_LIBS="$LDFLAGS ${$1_LIBS0}"
1070 ])# FP_CHECK_GL_HELPER
1075 AC_DEFUN([FP_CHECK_GL],
1076 [AC_REQUIRE([FP_PATH_X])
1077 AC_REQUIRE([AC_CANONICAL_TARGET])
1079 AC_ARG_ENABLE([hopengl],
1080 [AC_HELP_STRING([--enable-hopengl],
1081 [build a Haskell binding for OpenGL (GL/GLU). On Mac OS X, use
1082 --enable-hopengl=x11 to use X11 instead of the "native" libraries.
1084 [enable_opengl=$enableval], [enable_opengl=no])
1086 if test x"$enable_opengl" = xno; then
1089 use_quartz_opengl=no
1092 if test x"$enable_opengl" != xx11; then
1093 AC_DEFINE([USE_QUARTZ_OPENGL], [1],
1094 [Define to 1 if native OpenGL should be used on Mac OS X])
1095 use_quartz_opengl=yes
1100 if test x"$use_quartz_opengl" != xyes; then
1101 AC_CHECK_LIB([m], [atan], [GL_LIBS="-lm $GL_LIBS"])
1103 if test x"$no_x" != xyes; then
1104 test -n "$x_includes" && GL_CFLAGS="-I$x_includes $GL_CFLAGS"
1105 test -n "$x_libraries" && GL_LIBS="-L$x_libraries -lX11 $GL_LIBS"
1108 FP_CHECK_GL_HELPER([GL], [-lGL -lopengl32], [@%:@include <GL/gl.h>], [glEnd()])
1110 if test x"$no_GL" != xyes; then
1111 # Ugly: To get wglGetProcAddress on Windows, we have to link with
1112 # opengl32.dll, too, even when we are using Cygwin with X11.
1114 *-lopengl32*|*opengl32.lib*) ;;
1115 *) fp_save_LIBS="$LIBS"
1116 LIBS="$LIBS -lopengl32"
1117 AC_LINK_IFELSE([AC_LANG_PROGRAM([[@%:@include <GL/gl.h>]], [[glEnd()]])],
1118 [GL_LIBS="$GL_LIBS -lopengl32"; GL_LIBS0="$GL_LIBS0 -lopengl32"])
1119 LIBS="$fp_save_LIBS"
1126 AC_SUBST([GL_CFLAGS])
1133 AC_DEFUN([FP_CHECK_GLU],
1134 [AC_REQUIRE([FP_CHECK_GL])dnl
1135 GLU_CFLAGS="$GL_CFLAGS0"
1136 GLU_LIBS="$GL_LIBS0"
1138 if test x"$enable_opengl" = xno; then
1140 elif test x"$use_quartz_opengl" != xyes; then
1141 FP_CHECK_GL_HELPER([GLU], [-lglu32 -lGLU], [@%:@include <GL/glu.h>], [gluNewQuadric()])
1144 AC_SUBST([GLU_CFLAGS])
1145 AC_SUBST([GLU_LIBS])
1151 AC_DEFUN([FP_CHECK_GLUT],
1152 [AC_REQUIRE([FP_CHECK_GLU])
1155 if test x"$enable_opengl" = xno; then
1157 elif test x"$use_quartz_opengl" != xyes; then
1158 GLUT_CFLAGS="$GLU_CFLAGS0"
1159 GLUT_LIBS="$GLU_LIBS0"
1161 if test x"$no_x" != xyes; then
1162 GLUT_LIBS="$X_PRE_LIBS -lXmu -lXi $X_EXTRA_LIBS $GLUT_LIBS"
1165 AC_CHECK_HEADERS([windows.h GL/glut.h])
1166 # Note 1: On Cygwin with X11, GL/GLU functions use the "normal" calling
1167 # convention, but GLUT functions use stdcall. To get this right, it is
1168 # necessary to include <windows.h> first.
1169 # Note 2: MinGW/MSYS comes without a GLUT header, so we use Cygwin's one in
1171 FP_CHECK_GL_HELPER([GLUT], [-lglut32 -lglut], [
1173 #include <windows.h>
1176 #include <GL/glut.h>
1178 #include "glut_local.h"
1180 ], [glutMainLoop()])
1183 AC_SUBST([GLUT_CFLAGS])
1184 AC_SUBST([GLUT_LIBS])