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 # FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
8 # ----------------------------------
9 # Little endian Arm on Linux with some ABIs has big endian word order
10 # in doubles. Define FLOAT_WORDS_BIGENDIAN if this is the case.
11 AC_DEFUN([FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN],
12 [AC_CACHE_CHECK([whether float word order is big endian], [fptools_cv_float_word_order_bigendian],
15 [#include <endian.h>],
16 [#if defined(__FLOAT_WORD_ORDER) && __FLOAT_WORD_ORDER == BIG_ENDIAN
19 not float word order big endian
22 [fptools_cv_float_word_order_bigendian=yes],
23 [fptools_cv_float_word_order_bigendian=no])
25 case $fptools_cv_float_word_order_bigendian in
27 AC_DEFINE([FLOAT_WORDS_BIGENDIAN], 1,
28 [Define to 1 if your processor stores words of floats with
29 the most significant byte first]) ;;
34 # FP_EVAL_STDERR(COMMAND)
35 # -----------------------
36 # Eval COMMAND, save its stderr (without lines resulting from shell tracing)
37 # into the file conftest.err and the exit status in the variable fp_status.
38 AC_DEFUN([FP_EVAL_STDERR],
39 [{ (eval $1) 2>conftest.er1
41 grep -v '^ *+' conftest.er1 >conftest.err
43 (exit $fp_status); }[]dnl
47 # FP_ARG_WITH_PATH_GNU_PROG
48 # --------------------
51 # $1 = the command to look for
52 # $2 = the variable to set
54 AC_DEFUN([FP_ARG_WITH_PATH_GNU_PROG],
57 [AC_HELP_STRING([--with-$2=ARG],
58 [Use ARG as the path to $2 [default=autodetect]])],
60 if test "$HostOS" = "mingw32"
62 AC_MSG_WARN([Request to use $withval will be ignored])
68 if test "$HostOS" != "mingw32"
70 AC_PATH_PROG([$1], [$2])
73 AC_MSG_ERROR([cannot find $2 in your PATH, no idea how to link])
78 ]) # FP_ARG_WITH_PATH_GNU_PROG
81 # FP_PROG_CONTEXT_DIFF
82 # --------------------
83 # Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
85 # Note: NeXTStep thinks diff'ing a file against itself is "trouble".
87 # Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
88 AC_DEFUN([FP_PROG_CONTEXT_DIFF],
89 [AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
93 for fp_var in '-U 1' '-u1' '-C 1' '-c1'
95 if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
96 fp_cv_context_diff="diff $fp_var"
100 if test x"$fp_cv_context_diff" = xno; then
101 AC_MSG_ERROR([cannot figure out how to do context diffs])
103 AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
104 ])# FP_PROG_CONTEXT_DIFF
107 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
108 # --------------------------------------------------------
109 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
110 # compilation. Execute IF-FAILS when unable to determine the value. Works for
111 # cross-compilation, too.
113 # Implementation note: We are lazy and use an internal autoconf macro, but it
114 # is supported in autoconf versions 2.50 up to the actual 2.57, so there is
116 AC_DEFUN([FP_COMPUTE_INT],
117 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
121 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
122 # ------------------------------------------------------------------
123 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
124 # given type. Defines ALIGNMENT_TYPE.
125 AC_DEFUN([FP_CHECK_ALIGNMENT],
126 [AS_LITERAL_IF([$1], [],
127 [AC_FATAL([$0: requires literal arguments])])[]dnl
128 AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
129 m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
130 AC_CACHE_CHECK([alignment of $1], [fp_Cache],
131 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
132 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
134 [AC_INCLUDES_DEFAULT([$3])],
135 [AC_MSG_ERROR([cannot compute alignment ($1)
136 See `config.log' for more details.], [77])])
140 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
141 m4_popdef([fp_Cache])[]dnl
142 ])# FP_CHECK_ALIGNMENT
145 # FP_LEADING_UNDERSCORE
146 # ---------------------
147 # Test for determining whether symbol names have a leading underscore. We assume
148 # that they _haven't_ if anything goes wrong. Sets the output variable
149 # LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
151 # Some nlist implementations seem to try to be compatible by ignoring a leading
152 # underscore sometimes (eg. FreeBSD). We therefore have to work around this by
153 # checking for *no* leading underscore first. Sigh. --SDM
155 # Similarly on OpenBSD, but this test doesn't help. -- dons
156 AC_DEFUN([FP_LEADING_UNDERSCORE],
157 [AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
158 AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
159 # Hack!: nlist() under Digital UNIX insist on there being an _,
160 # but symbol table listings shows none. What is going on here?!?
162 # Another hack: cygwin doesn't come with nlist.h , so we hardwire
163 # the underscoredness of that "platform"
164 case $HostPlatform in
165 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
167 i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
168 *) fptools_cv_leading_underscore=no ;;
170 alpha-dec-osf*) fptools_cv_leading_underscore=no;;
171 *cygwin32) fptools_cv_leading_underscore=yes;;
172 *mingw32) fptools_cv_leading_underscore=yes;;
174 # HACK: Apple doesn't seem to provide nlist in the 64-bit-libraries
175 x86_64-apple-darwin*) fptools_cv_leading_underscore=yes;;
177 *) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
179 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
180 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
188 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
190 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
194 }]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
197 AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
198 if test x"$fptools_cv_leading_underscore" = xyes; then
199 AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
200 fi])# FP_LEADING_UNDERSCORE
203 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
204 # ----------------------------------------------------------------------------------
205 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
206 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
207 AC_DEFUN([FP_COMPARE_VERSIONS],
208 [fp_version1=$1; fp_version2=$3
209 fp_save_IFS=$IFS; IFS='.'
210 while test x"$fp_version1" != x || test x"$fp_version2" != x
213 set dummy $fp_version1; shift
215 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
216 test x"$fp_num1" = x && fp_num1="0"
219 set dummy $fp_version2; shift
221 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
222 test x"$fp_num2" = x && fp_num2="0"
225 test "$fp_num1" = "$fp_num2" || break;
228 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
229 ])# FP_COMPARE_VERSIONS
233 dnl Check for GreenCard and version.
235 AC_DEFUN([FPTOOLS_GREENCARD],
237 AC_PATH_PROG(GreenCardCmd,greencard)
238 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
240 [if test x"$GreenCardCmd" != x; then
241 fptools_cv_greencard_version="`$GreenCardCmd --version |
242 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
244 fptools_cv_greencard_version=""
248 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
249 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
250 GreenCardVersion=$fptools_cv_greencard_version
251 AC_SUBST(GreenCardVersion)
255 dnl Check for Happy and version. If we're building GHC, then we need
256 dnl at least Happy version 1.14. If there's no installed Happy, we look
257 dnl for a happy source tree and point the build system at that instead.
259 AC_DEFUN([FPTOOLS_HAPPY],
260 [AC_PATH_PROG(HappyCmd,happy,)
261 # Happy is passed to Cabal, so we need a native path
262 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
263 test "${OSTYPE}" != "msys" && \
264 test "${HappyCmd}" != ""
266 # Canonicalise to <drive>:/path/to/gcc
267 HappyCmd=`cygpath -m ${HappyCmd}`
268 AC_MSG_NOTICE([normalized happy command to $HappyCmd])
271 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
273 [if test x"$HappyCmd" != x; then
274 fptools_cv_happy_version=`"$HappyCmd" -v |
275 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'` ;
277 fptools_cv_happy_version="";
281 if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
283 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
284 [AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
286 HappyVersion=$fptools_cv_happy_version;
287 AC_SUBST(HappyVersion)
291 dnl Check for Alex and version. If we're building GHC, then we need
292 dnl at least Alex version 2.0.1.
294 AC_DEFUN([FPTOOLS_ALEX],
296 AC_PATH_PROG(AlexCmd,alex,)
297 # Alex is passed to Cabal, so we need a native path
298 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
299 test "${OSTYPE}" != "msys" && \
300 test "${AlexCmd}" != ""
302 # Canonicalise to <drive>:/path/to/gcc
303 AlexCmd=`cygpath -m ${AlexCmd}`
306 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
308 [if test x"$AlexCmd" != x; then
309 fptools_cv_alex_version=`"$AlexCmd" -v |
310 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'` ;
312 fptools_cv_alex_version="";
316 if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
318 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
319 [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]
321 AlexVersion=$fptools_cv_alex_version;
322 AC_SUBST(AlexVersion)
328 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
329 # variable's value is empty.
330 AC_DEFUN([FP_PROG_LD_X],
332 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
333 [echo 'foo() {}' > conftest.c
334 ${CC-cc} -c conftest.c
335 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
341 if test "$fp_cv_ld_x" = yes; then
352 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
354 AC_DEFUN([FP_PROG_LD_IS_GNU],
356 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
357 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
362 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
363 ])# FP_PROG_LD_IS_GNU
368 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
369 # version of it. Exits if no ar can be found
370 AC_DEFUN([FP_PROG_AR],
371 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
372 if test -z "$fp_prog_ar_raw"; then
373 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
375 fp_prog_ar=$fp_prog_ar_raw
376 case $HostPlatform in
377 *mingw32) if test x${OSTYPE} != xmsys; then
378 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
379 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
388 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
389 AC_DEFUN([FP_PROG_AR_IS_GNU],
390 [AC_REQUIRE([FP_PROG_AR])
391 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
392 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
393 fp_cv_prog_ar_is_gnu=yes
395 fp_cv_prog_ar_is_gnu=no
397 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
398 AC_SUBST([ArIsGNUAr], [`echo $fp_prog_ar_is_gnu | tr 'a-z' 'A-Z'`])
399 ])# FP_PROG_AR_IS_GNU
404 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
405 # to a non-Cygwin invocation of ar including these arguments.
406 AC_DEFUN([FP_PROG_AR_ARGS],
407 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
408 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
410 # GNU ar needs special treatment: it appears to have problems with
411 # object files with the same name if you use the 's' modifier, but
412 # simple 'ar q' works fine, and doesn't need a separate ranlib.
413 if test $fp_prog_ar_is_gnu = yes; then
414 fp_cv_prog_ar_args="q"
417 for fp_var in clqsZ clqs cqs clq cq ; do
419 if "$fp_prog_ar_raw" $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
420 fp_cv_prog_ar_args=$fp_var
425 if test -z "$fp_cv_prog_ar_args"; then
426 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
429 fp_prog_ar_args=$fp_cv_prog_ar_args
430 AC_SUBST([ArCmd], ["$fp_prog_ar"])
431 AC_SUBST([ArArgs], ["$fp_prog_ar_args"])
436 # FP_PROG_AR_NEEDS_RANLIB
437 # -----------------------
438 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
440 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
441 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
442 AC_REQUIRE([FP_PROG_AR_ARGS])
443 AC_REQUIRE([AC_PROG_CC])
444 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
445 [if test $fp_prog_ar_is_gnu = yes; then
446 fp_cv_prog_ar_needs_ranlib=no
447 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
448 # It's quite tedious to check for Apple's crazy timestamps in .a files,
450 fp_cv_prog_ar_needs_ranlib=yes
451 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
452 fp_cv_prog_ar_needs_ranlib=no
454 fp_cv_prog_ar_needs_ranlib=yes
456 if test $fp_cv_prog_ar_needs_ranlib = yes; then
462 ])# FP_PROG_AR_NEEDS_RANLIB
465 # FP_PROG_AR_SUPPORTS_INPUT
466 # -------------------------
467 # Sets the output variable ArSupportsInput to "-input" or "", depending on
468 # whether ar supports -input flag is supported or not.
469 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
470 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
471 AC_REQUIRE([FP_PROG_AR_ARGS])
472 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
473 [fp_cv_prog_ar_supports_input=no
474 if test $fp_prog_ar_is_gnu = no; then
477 if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
478 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
482 if test $fp_cv_prog_ar_supports_input = yes; then
483 ArSupportsInput="-input"
487 AC_SUBST([ArSupportsInput])
488 ])# FP_PROG_AR_SUPPORTS_INPUT
492 dnl AC_SHEBANG_PERL - can we she-bang perl?
494 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
495 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
500 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
501 if test $? -ne 69; then
502 fptools_cv_shebang_perl=yes
504 fptools_cv_shebang_perl=no
512 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
513 # output variables HaveGcc and GccVersion.
514 AC_DEFUN([FP_HAVE_GCC],
515 [AC_REQUIRE([AC_PROG_CC])
516 if test -z "$GCC"; then
521 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
522 AC_MSG_ERROR([gcc is required])
525 AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
526 [if test "$fp_have_gcc" = "YES"; then
527 fp_cv_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
528 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.0],
529 [AC_MSG_ERROR([Need at least gcc version 3.0 (3.4+ recommended)])])
530 # See #2770: gcc 2.95 doesn't work any more, apparently. There probably
531 # isn't a very good reason for that, but for now just make configure
533 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.4], GccLT34=YES)
535 fp_cv_gcc_version="not-installed"
538 AC_SUBST([HaveGcc], [$fp_have_gcc])
539 AC_SUBST([GccVersion], [$fp_cv_gcc_version])
543 dnl Small feature test for perl version. Assumes PerlCmd
544 dnl contains path to perl binary.
546 dnl (Perl versions prior to v5.6 does not contain the string "v5";
547 dnl instead they display version strings such as "version 5.005".)
549 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
550 [$PerlCmd -v >conftest.out 2>&1
551 if grep "v5" conftest.out >/dev/null 2>&1; then
554 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
560 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
561 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
562 # -----------------------------------------------------
563 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
564 # of PROG-TO-CHECK-FOR when found.
565 AC_DEFUN([FP_CHECK_PROG],
566 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
572 # Find a non-WinDoze version of the "find" utility.
573 AC_DEFUN([FP_PROG_FIND],
574 [AC_PATH_PROGS([fp_prog_find], [gfind find], find)
575 echo foo > conftest.txt
576 $fp_prog_find conftest.txt -print > conftest.out 2>&1
577 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
578 # OK, looks like a real "find".
579 case $HostPlatform in
581 if test x${OSTYPE} != xmsys
583 fp_prog_find="`cygpath --mixed ${fp_prog_find}`"
584 AC_MSG_NOTICE([normalized find command to $fp_prog_find])
588 FindCmd="$fp_prog_find"
590 # Found a poor WinDoze version of "find", ignore it.
591 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
592 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
594 rm -f conftest.txt conftest.out
595 AC_SUBST([FindCmd])[]dnl
601 # Find a Unix-like sort
602 AC_DEFUN([FP_PROG_SORT],
603 [AC_PATH_PROG([fp_prog_sort], [sort])
604 echo conwip > conftest.txt
605 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
606 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
608 SortCmd="$fp_prog_sort"
610 # Summink else..pick next one.
611 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
612 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
614 rm -f conftest.txt conftest.out
615 AC_SUBST([SortCmd])[]dnl
619 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
620 dnl values of the second argument to the result of running
621 dnl the commands given by the third. It does not cache its
622 dnl result, so it is suitable for checks which should be
625 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
626 [AC_MSG_CHECKING([$1])
628 AC_MSG_RESULT([$][$2])
632 dnl FPTOOLS_GHC_VERSION(version)
633 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
634 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
636 dnl Test for version of installed ghc. Uses $GHC.
637 dnl [original version pinched from c2hs]
639 AC_DEFUN([FPTOOLS_GHC_VERSION],
640 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
641 ["${WithGhc-ghc}" --version > conftestghc 2>&1
642 cat conftestghc >&AS_MESSAGE_LOG_FD
643 #Useless Use Of cat award...
644 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
646 if test "[$]fptools_version_of_ghc" = ""
648 fptools_version_of_ghc='unknown'
650 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
651 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
652 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
654 if test "[$]fptools_version_of_ghc[_pl]" = ""
656 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
657 fptools_version_of_ghc[_pl]="0"
659 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
663 [$1]="[$]fptools_version_of_ghc[_all]"
665 [$1]="[$]fptools_version_of_ghc[_major]"
666 [$2]="[$]fptools_version_of_ghc[_minor]"
668 [$1]="[$]fptools_version_of_ghc[_major]"
669 [$2]="[$]fptools_version_of_ghc[_minor]"
670 [$3]="[$]fptools_version_of_ghc[_pl]"
672 [$1]="[$]fptools_version_of_ghc[_all]"
673 [$2]="[$]fptools_version_of_ghc[_major]"
674 [$3]="[$]fptools_version_of_ghc[_minor]"
675 [$4]="[$]fptools_version_of_ghc[_pl]"
681 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
682 # ---------------------------------------------------------------------------------
683 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
684 # additional flexibility of specifying the PROLOGUE and BODY.
685 AC_DEFUN([FP_CHECK_FUNC],
686 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
687 AC_CACHE_CHECK([for $1], fp_func,
688 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
689 [AS_VAR_SET(fp_func, yes)],
690 [AS_VAR_SET(fp_func, no)])])
691 AS_IF([test AS_VAR_GET(fp_func) = yes],
692 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
693 [Define to 1 if you have the `]$1[' function.]) $4],
695 AS_VAR_POPDEF([fp_func])dnl
701 # Generates a DocBook XML V4.2 document in conftest.xml.
703 # It took a lot of experimentation to find a document that will cause
704 # xsltproc to fail with an error code when the relevant
705 # stylesheets/DTDs are not found. I couldn't make xsltproc fail with
706 # a single-file document, it seems a multi-file document is needed.
709 AC_DEFUN([FP_GEN_DOCBOOK_XML],
710 [rm -f conftest.xml conftest-book.xml
711 cat > conftest.xml << EOF
712 <?xml version="1.0" encoding="iso-8859-1"?>
713 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
714 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [[
715 <!ENTITY conftest-book SYSTEM "conftest-book.xml">
721 cat >conftest-book.xml << EOF
722 <?xml version="1.0" encoding="iso-8859-1"?>
723 <title>A DocBook “Test Document”</title>
724 <chapter id="id-one">
725 <title>A Chapter Title</title>
726 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
728 <chapter id="id-two">
729 <title>Another Chapter Title</title>
730 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
733 ]) # FP_GEN_DOCBOOK_XML
738 # Sets the output variable DblatexCmd to the full path of dblatex,
739 # which we use for building PDF and PS docs.
740 # DblatexCmd is empty if dblatex could not be found.
741 AC_DEFUN([FP_PROG_DBLATEX],
742 [AC_PATH_PROG([DblatexCmd], [dblatex])
743 if test -z "$DblatexCmd"; then
744 AC_MSG_WARN([cannot find dblatex in your PATH, you will not be able to build the PDF and PS documentation])
751 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
752 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
753 AC_DEFUN([FP_PROG_XSLTPROC],
754 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
755 if test -z "$XsltprocCmd"; then
756 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the HTML documentation])
762 # ----------------------------
763 # Check that we can process a DocBook XML document to HTML using xsltproc.
764 AC_DEFUN([FP_DOCBOOK_XSL],
765 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
766 if test -n "$XsltprocCmd"; then
767 AC_CACHE_CHECK([for DocBook XSL stylesheet], fp_cv_dir_docbook_xsl,
769 fp_cv_dir_docbook_xsl=no
770 if $XsltprocCmd --nonet http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl conftest.xml > /dev/null 2>&1; then
771 fp_cv_dir_docbook_xsl=yes
775 if test x"$fp_cv_dir_docbook_xsl" = xno; then
776 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
781 AC_SUBST([HAVE_DOCBOOK_XSL])
787 # Sets the output variable XmllintCmd to the full path of the XSLT processor
788 # xmllint. XmllintCmd is empty if xmllint could not be found.
789 AC_DEFUN([FP_PROG_XMLLINT],
790 [AC_PATH_PROG([XmllintCmd], [xmllint])
791 if test -z "$XmllintCmd"; then
792 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
797 # FP_CHECK_DOCBOOK_DTD
798 # --------------------
799 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
800 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
801 if test -n "$XmllintCmd"; then
802 AC_MSG_CHECKING([for DocBook DTD])
804 if $XmllintCmd --nonet --valid --noout conftest.xml ; then
807 AC_MSG_RESULT([failed])
808 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
809 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
813 ])# FP_CHECK_DOCBOOK_DTD
818 # Generates a formatting objects document in conftest.fo.
819 AC_DEFUN([FP_GEN_FO],
821 cat > conftest.fo << EOF
822 <?xml version="1.0"?>
823 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
824 <fo:layout-master-set>
825 <fo:simple-page-master master-name="blank">
827 </fo:simple-page-master>
828 </fo:layout-master-set>
829 <fo:page-sequence master-reference="blank">
830 <fo:flow flow-name="xsl-region-body">
843 # Set the output variable 'FopCmd' to the first working 'fop' in the current
844 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
845 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
846 AC_DEFUN([FP_PROG_FOP],
847 [AC_PATH_PROGS([FopCmd1], [fop fop.sh])
848 if test -n "$FopCmd1"; then
849 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
851 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
852 fp_cv_fop_usability=yes
854 fp_cv_fop_usability=no
857 if test x"$fp_cv_fop_usability" = xyes; then
861 if test -z "$FopCmd"; then
862 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
871 # Sets the output variable HstagsCmd to the full Haskell tags program path.
872 # HstagsCmd is empty if no such program could be found.
873 AC_DEFUN([FP_PROG_HSTAGS],
874 [AC_PATH_PROG([HstagsCmd], [hasktags])
875 if test -z "$HstagsCmd"; then
876 AC_MSG_WARN([cannot find hasktags in your PATH, you will not be able to build the tags])
883 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
884 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
885 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
886 AC_DEFUN([FP_PROG_GHC_PKG],
887 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
888 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
889 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
890 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
891 elif "$fp_ghc_pkg_guess" list > /dev/null 2>&1; then
892 # from 6.10, ghc-pkg doesn't support the old -l syntax any more
893 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
895 fp_cv_matching_ghc_pkg=no
897 if test x"$fp_cv_matching_ghc_pkg" = xno; then
898 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
900 GhcPkgCmd=$fp_cv_matching_ghc_pkg
901 fi])# FP_PROG_GHC_PKG
906 # Determine which extra flags we need to pass gcc when we invoke it
907 # to compile .hc code.
909 # Some OSs (Mandrake Linux, in particular) configure GCC with
910 # -momit-leaf-frame-pointer on by default. If this is the case, we
911 # need to turn it off for mangling to work. The test is currently a
912 # bit crude, using only the version number of gcc.
914 # -fwrapv is needed for gcc to emit well-behaved code in the presence of
915 # integer wrap around. (Trac #952)
917 # -fno-unit-at-a-time or -fno-toplevel-reoder is necessary to avoid gcc
918 # reordering things in the module and confusing the manger and/or splitter.
921 AC_DEFUN([FP_GCC_EXTRA_FLAGS],
922 [AC_REQUIRE([FP_HAVE_GCC])
923 AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
924 [fp_cv_gcc_extra_opts=
925 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
926 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
928 case $TargetPlatform in
930 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.2],
931 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -mno-omit-leaf-frame-pointer"],
933 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
934 [FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
935 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
936 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-unit-at-a-time"]
941 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
942 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
947 AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
951 # FP_SETUP_PROJECT_VERSION
952 # ---------------------
953 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
955 if test "$RELEASE" = "NO"; then
956 AC_MSG_CHECKING([for GHC version date])
957 if test -f VERSION_DATE; then
958 PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
959 AC_MSG_RESULT(given $PACKAGE_VERSION)
960 elif test -d .git; then
962 ver_date=`git log -n 1 --date=short --pretty=format:%ci | sed "s/^.*\([0-9][0-9][0-9][0-9]\)-\([0-9][0-9]\)-\([0-9][0-9]\).*$/\1\2\3/"`
963 if echo $ver_date | grep '^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$' 2>&1 >/dev/null; then true; else
965 AC_MSG_ERROR([failed to detect version date: check that git is in your path])
967 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
968 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
969 elif test -d _darcs; then
970 # TODO: Remove this branch after conversion to Git
972 ver_date=`darcs changes --quiet --no-summary --xml | head -500 | grep 'date=' | sed "s/^.*date='\([0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]\).*$/\1/g" | ${SortCmd} -n | tail -1`
973 if echo $ver_date | grep '^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$' 2>&1 >/dev/null; then true; else
975 AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
977 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
978 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
979 elif test -f VERSION; then
980 PACKAGE_VERSION=`cat VERSION`
981 AC_MSG_RESULT(given $PACKAGE_VERSION)
983 AC_MSG_WARN([cannot determine snapshot version: no .git or _darcs directory and no VERSION file])
988 AC_SUBST([ProjectName], [$PACKAGE_NAME])
989 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
991 # Split PACKAGE_VERSION into (possibly empty) parts
992 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
993 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
994 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
995 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
997 # Calculate project version as an integer, using 2 digits for minor version
998 case $VERSION_MINOR in
999 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
1000 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
1001 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
1003 AC_SUBST([ProjectVersionInt])
1005 # The project patchlevel is zero unless stated otherwise
1006 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
1008 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
1009 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
1011 AC_SUBST([ProjectPatchLevel])
1012 ])# FP_SETUP_PROJECT_VERSION
1015 # Check for a working timer_create(). We need a pretty detailed check
1016 # here, because there exist partially-working implementations of
1017 # timer_create() in certain versions of Linux (see bug #1933).
1019 AC_DEFUN([FP_CHECK_TIMER_CREATE],
1020 [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)],
1021 [fptools_cv_timer_create_works],
1024 #ifdef HAVE_STDLIB_H
1030 #ifdef HAVE_SIGNAL_H
1033 #ifdef HAVE_UNISTD_H
1037 static volatile int tock = 0;
1038 static void handler(int i)
1043 static void timeout(int i)
1045 // timer_settime() has been known to hang, so just in case
1046 // we install a 1-second timeout (see #2257)
1050 int main(int argc, char *argv[])
1055 struct itimerspec it;
1056 struct sigaction action;
1059 ev.sigev_notify = SIGEV_SIGNAL;
1060 ev.sigev_signo = SIGVTALRM;
1062 action.sa_handler = handler;
1063 action.sa_flags = 0;
1064 sigemptyset(&action.sa_mask);
1065 if (sigaction(SIGVTALRM, &action, NULL) == -1) {
1066 fprintf(stderr,"SIGVTALRM problem\n");
1070 action.sa_handler = timeout;
1071 action.sa_flags = 0;
1072 sigemptyset(&action.sa_mask);
1073 if (sigaction(SIGALRM, &action, NULL) == -1) {
1074 fprintf(stderr,"SIGALRM problem\n");
1079 if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1080 fprintf(stderr,"No CLOCK_PROCESS_CPUTIME_ID timer\n");
1084 it.it_value.tv_sec = 0;
1085 it.it_value.tv_nsec = 1;
1086 it.it_interval = it.it_value;
1087 if (timer_settime(timer, 0, &it, NULL) != 0) {
1088 fprintf(stderr,"settime problem\n");
1094 for(n = 3; n < 20000; n++){
1095 for(m = 2; m <= n/2; m++){
1096 if (!(n%m)) count++;
1103 fprintf(stderr,"no CLOCK_PROCESS_CPUTIME_ID signal\n");
1107 timer_delete(timer);
1109 if (timer_create(CLOCK_REALTIME, &ev, &timer) != 0) {
1110 fprintf(stderr,"No CLOCK_REALTIME timer\n");
1114 it.it_value.tv_sec = 0;
1115 it.it_value.tv_nsec = 1000000;
1116 it.it_interval = it.it_value;
1117 if (timer_settime(timer, 0, &it, NULL) != 0) {
1118 fprintf(stderr,"settime problem\n");
1127 fprintf(stderr,"no CLOCK_REALTIME signal\n");
1131 timer_delete(timer);
1136 [fptools_cv_timer_create_works=yes],
1137 [fptools_cv_timer_create_works=no])
1139 case $fptools_cv_timer_create_works in
1140 yes) AC_DEFINE([USE_TIMER_CREATE], 1,
1141 [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1147 AC_DEFUN([FP_ARG_GMP],
1149 AC_ARG_WITH([gmp-includes],
1150 [AC_HELP_STRING([--with-gmp-includes],
1151 [directory containing gmp.h])],
1152 [gmp_includes=$withval],
1153 [gmp_includes=NONE])
1155 AC_ARG_WITH([gmp-libraries],
1156 [AC_HELP_STRING([--with-gmp-libraries],
1157 [directory containing gmp library])],
1158 [gmp_libraries=$withval],
1159 [gmp_libraries=NONE])
1162 AC_DEFUN([CHECK_GMP],
1163 [AC_REQUIRE([AC_PROG_CPP])
1164 AC_REQUIRE([AC_PROG_CC])
1167 # FP_CHECK_MACOSX_DEPLOYMENT_TARGET
1168 # ---------------------------------
1169 AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
1171 if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
1172 AC_MSG_CHECKING([Mac OS X deployment target])
1173 case $FP_MACOSX_DEPLOYMENT_TARGET in
1175 10.4) MACOSX_DEPLOYMENT_VERSION=10.4
1176 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1178 10.4u) MACOSX_DEPLOYMENT_VERSION=10.4
1179 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1181 *) MACOSX_DEPLOYMENT_VERSION=$FP_MACOSX_DEPLOYMENT_TARGET
1182 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX${FP_MACOSX_DEPLOYMENT_TARGET}.sdk
1185 if test "x$FP_MACOSX_DEPLOYMENT_TARGET" = "xnone"; then
1188 if test ! -d $MACOSX_DEPLOYMENT_SDK; then
1189 AC_MSG_ERROR([Unknown deployment target $FP_MACOSX_DEPLOYMENT_TARGET])
1191 AC_MSG_RESULT([${MACOSX_DEPLOYMENT_VERSION} (${MACOSX_DEPLOYMENT_SDK})])
1196 # --------------------------------------------------------------
1197 # Calculate absolute path to build tree
1198 # --------------------------------------------------------------
1200 AC_DEFUN([FP_FIND_ROOT],[
1201 AC_MSG_CHECKING(for path to top of build tree)
1204 dnl make -C utils/ghc-pwd clean && make -C utils/ghc-pwd
1205 dnl except we don't want to have to know what make is called. Sigh.
1206 if test ! -f utils/ghc-pwd/ghc-pwd && test ! -f utils/ghc-pwd/ghc-pwd.exe; then
1212 "$WithGhc" -v0 --make ghc-pwd -o ghc-pwd
1216 hardtop=`utils/ghc-pwd/ghc-pwd`
1218 if ! test -d "$hardtop"; then
1219 AC_MSG_ERROR([cannot determine current directory])
1222 dnl Remove common automounter nonsense
1224 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
1228 AC_MSG_RESULT(${hardtop})
1230 # We don't support building in directories with spaces.
1232 *' '*) AC_MSG_ERROR([
1233 The build system does not support building in a directory containing
1234 space characters. Suggestion: move the build tree somewhere else.])
1239 # GHC_CONVERT_CPU(cpu, target_var)
1240 # --------------------------------
1241 # converts cpu from gnu to ghc naming, and assigns the result to $target_var
1242 AC_DEFUN([GHC_CONVERT_CPU],[
1299 echo "Unknown CPU $1"
1305 # GHC_CONVERT_VENDOR(vendor, target_var)
1306 # --------------------------------
1307 # converts vendor from gnu to ghc naming, and assigns the result to $target_var
1308 AC_DEFUN([GHC_CONVERT_VENDOR],[
1312 # GHC_CONVERT_OS(os, target_var)
1313 # --------------------------------
1314 # converts os from gnu to ghc naming, and assigns the result to $target_var
1315 AC_DEFUN([GHC_CONVERT_OS],[
1320 # As far as I'm aware, none of these have relevant variants
1321 freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
1325 echo "Unknown OS $1"
1331 # LIBRARY_VERSION(lib)
1332 # --------------------------------
1333 # Gets the version number of a library.
1334 # If $1 is ghc-prim, then we define LIBRARY_ghc_prim_VERSION as 1.2.3
1335 AC_DEFUN([LIBRARY_VERSION],[
1336 LIBRARY_[]translit([$1], [-], [_])[]_VERSION=`grep -i "^version:" libraries/$1/$1.cabal | sed "s/.* //"`
1337 AC_SUBST(LIBRARY_[]translit([$1], [-], [_])[]_VERSION)