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_PROG_CONTEXT_DIFF
48 # --------------------
49 # Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
51 # Note: NeXTStep thinks diff'ing a file against itself is "trouble".
53 # Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
54 AC_DEFUN([FP_PROG_CONTEXT_DIFF],
55 [AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
59 for fp_var in '-U 1' '-u1' '-C 1' '-c1'
61 if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
62 fp_cv_context_diff="diff $fp_var"
66 if test x"$fp_cv_context_diff" = xno; then
67 AC_MSG_ERROR([cannot figure out how to do context diffs])
69 AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
70 ])# FP_PROG_CONTEXT_DIFF
73 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
74 # --------------------------------------------------------
75 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
76 # compilation. Execute IF-FAILS when unable to determine the value. Works for
77 # cross-compilation, too.
79 # Implementation note: We are lazy and use an internal autoconf macro, but it
80 # is supported in autoconf versions 2.50 up to the actual 2.57, so there is
82 AC_DEFUN([FP_COMPUTE_INT],
83 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
87 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
88 # ------------------------------------------------------------------
89 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
90 # given type. Defines ALIGNMENT_TYPE.
91 AC_DEFUN([FP_CHECK_ALIGNMENT],
92 [AS_LITERAL_IF([$1], [],
93 [AC_FATAL([$0: requires literal arguments])])[]dnl
94 AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
95 m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
96 AC_CACHE_CHECK([alignment of $1], [fp_Cache],
97 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
98 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
100 [AC_INCLUDES_DEFAULT([$3])],
101 [AC_MSG_ERROR([cannot compute alignment ($1)
102 See `config.log' for more details.], [77])])
106 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
107 m4_popdef([fp_Cache])[]dnl
108 ])# FP_CHECK_ALIGNMENT
111 # FP_LEADING_UNDERSCORE
112 # ---------------------
113 # Test for determining whether symbol names have a leading underscore. We assume
114 # that they _haven't_ if anything goes wrong. Sets the output variable
115 # LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
117 # Some nlist implementations seem to try to be compatible by ignoring a leading
118 # underscore sometimes (eg. FreeBSD). We therefore have to work around this by
119 # checking for *no* leading underscore first. Sigh. --SDM
121 # Similarly on OpenBSD, but this test doesn't help. -- dons
122 AC_DEFUN([FP_LEADING_UNDERSCORE],
123 [AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
124 AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
125 # Hack!: nlist() under Digital UNIX insist on there being an _,
126 # but symbol table listings shows none. What is going on here?!?
128 # Another hack: cygwin doesn't come with nlist.h , so we hardwire
129 # the underscoredness of that "platform"
130 case $HostPlatform in
131 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
133 i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
134 *) fptools_cv_leading_underscore=no ;;
136 alpha-dec-osf*) fptools_cv_leading_underscore=no;;
137 *cygwin32) fptools_cv_leading_underscore=yes;;
138 *mingw32) fptools_cv_leading_underscore=yes;;
140 # HACK: Apple doesn't seem to provide nlist in the 64-bit-libraries
141 x86_64-apple-darwin*) fptools_cv_leading_underscore=yes;;
143 *) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
145 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
146 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
154 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
156 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
160 }]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
163 AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
164 if test x"$fptools_cv_leading_underscore" = xyes; then
165 AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
166 fi])# FP_LEADING_UNDERSCORE
169 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
170 # ----------------------------------------------------------------------------------
171 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
172 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
173 AC_DEFUN([FP_COMPARE_VERSIONS],
174 [fp_version1=$1; fp_version2=$3
175 fp_save_IFS=$IFS; IFS='.'
176 while test x"$fp_version1" != x || test x"$fp_version2" != x
179 set dummy $fp_version1; shift
181 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
182 test x"$fp_num1" = x && fp_num1="0"
185 set dummy $fp_version2; shift
187 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
188 test x"$fp_num2" = x && fp_num2="0"
191 test "$fp_num1" = "$fp_num2" || break;
194 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
195 ])# FP_COMPARE_VERSIONS
199 dnl Check for GreenCard and version.
201 AC_DEFUN([FPTOOLS_GREENCARD],
203 AC_PATH_PROG(GreenCardCmd,greencard)
204 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
206 [if test x"$GreenCardCmd" != x; then
207 fptools_cv_greencard_version="`$GreenCardCmd --version |
208 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
210 fptools_cv_greencard_version=""
214 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
215 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
216 GreenCardVersion=$fptools_cv_greencard_version
217 AC_SUBST(GreenCardVersion)
221 dnl Check for Happy and version. If we're building GHC, then we need
222 dnl at least Happy version 1.14. If there's no installed Happy, we look
223 dnl for a happy source tree and point the build system at that instead.
225 AC_DEFUN([FPTOOLS_HAPPY],
226 [AC_PATH_PROG(HappyCmd,happy,)
227 # Happy is passed to Cabal, so we need a native path
228 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
229 test "${OSTYPE}" != "msys" && \
230 test "${HappyCmd}" != ""
232 # Canonicalise to <drive>:/path/to/gcc
233 HappyCmd=`cygpath -m ${HappyCmd}`
234 AC_MSG_NOTICE([normalized happy command to $HappyCmd])
237 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
239 [if test x"$HappyCmd" != x; then
240 fptools_cv_happy_version="`$HappyCmd -v |
241 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ;
243 fptools_cv_happy_version="";
247 if test ! -f compiler/parser/Parser.hs || test ! -f compiler/main/ParsePkgConf.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
249 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.15],
250 [AC_MSG_ERROR([Happy version 1.15 or later is required to compile GHC.])])[]dnl
252 HappyVersion=$fptools_cv_happy_version;
253 AC_SUBST(HappyVersion)
257 dnl Check for Alex and version. If we're building GHC, then we need
258 dnl at least Alex version 2.0.1.
260 AC_DEFUN([FPTOOLS_ALEX],
262 AC_PATH_PROG(AlexCmd,alex,)
263 # Alex is passed to Cabal, so we need a native path
264 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
265 test "${OSTYPE}" != "msys" && \
266 test "${AlexCmd}" != ""
268 # Canonicalise to <drive>:/path/to/gcc
269 AlexCmd=`cygpath -m ${AlexCmd}`
272 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
274 [if test x"$AlexCmd" != x; then
275 fptools_cv_alex_version="`$AlexCmd -v |
276 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
278 fptools_cv_alex_version="";
282 if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
284 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
285 [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]dnl
287 AlexVersion=$fptools_cv_alex_version;
288 AC_SUBST(AlexVersion)
293 dnl Check for windres and version.
295 dnl 2.17.50 doesn't work
298 AC_DEFUN([FPTOOLS_WINDRES],
300 if test "x$HostPlatform" = "xi386-unknown-mingw32"
302 AC_PATH_PROG(WindResCmd,windres,)
303 # Alex is passed to Cabal, so we need a native path
304 if test "${OSTYPE}" != "msys" && \
305 test "${WindResCmd}" != ""
307 # Canonicalise to <drive>:/path/to/gcc
308 WindResCmd=`cygpath -m ${WindResCmd}`
311 AC_CACHE_CHECK([for version of windres], fptools_cv_windres_version,
314 if test x"$WindResCmd" != x
316 fptools_cv_windres_version="`$WindResCmd --version |
318 sed -e 's/GNU windres[^0-9]* \([0-9\.]*\).*/\1/g'`" ;
320 fptools_cv_windres_version="";
324 FP_COMPARE_VERSIONS([$fptools_cv_windres_version],[-eq],[2.17.50],
325 [AC_MSG_ERROR([Your windres version isn't compatible with GHC. 2.15.91 and 2.18.50 are known to work.])])[]dnl
326 indResVersion=$fptools_cv_windres_version;
327 AC_SUBST(WindResVersion)
334 # Sets the output variable LdCmd to the (non-Cygwin version of the) full path
335 # of ld. Exits if no ld can be found
336 AC_DEFUN([FP_PROG_LD],
340 AC_PATH_PROG([fp_prog_ld_raw], [ld])
341 if test -z "$fp_prog_ld_raw"; then
342 AC_MSG_ERROR([cannot find ld in your PATH, no idea how to link])
344 LdCmd=$fp_prog_ld_raw
345 case $HostPlatform in
346 *mingw32) if test x${OSTYPE} != xmsys; then
347 LdCmd="`cygpath -w ${fp_prog_ld_raw} | sed -e 's@\\\\@/@g'`"
348 AC_MSG_NOTICE([normalized ld command to $LdCmd])
350 # Insist on >= ld-2.15.x, since earlier versions doesn't handle
351 # the generation of relocatable object files with large amounts
352 # of relocations correctly. (cf. HSbase.o splittage-hack)
353 fp_prog_ld_version=`${LdCmd} --version | sed -n '/GNU ld/p' | tr -cd 0-9 | cut -b1-3`
354 FP_COMPARE_VERSIONS([$fp_prog_ld_version],[-lt],[214],
355 [AC_MSG_ERROR([GNU ld version later than 2.14 required to compile GHC on Windows.])])[]dnl
367 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
368 # variable's value is empty.
369 AC_DEFUN([FP_PROG_LD_X],
370 [AC_REQUIRE([FP_PROG_LD])
371 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
372 [echo 'foo() {}' > conftest.c
373 ${CC-cc} -c conftest.c
374 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
380 if test "$fp_cv_ld_x" = yes; then
391 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
393 AC_DEFUN([FP_PROG_LD_IS_GNU],
394 [AC_REQUIRE([FP_PROG_LD])
395 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
396 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
401 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
402 ])# FP_PROG_LD_IS_GNU
407 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
408 # version of it. Exits if no ar can be found
409 AC_DEFUN([FP_PROG_AR],
410 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
411 if test -z "$fp_prog_ar_raw"; then
412 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
414 fp_prog_ar=$fp_prog_ar_raw
415 case $HostPlatform in
416 *mingw32) if test x${OSTYPE} != xmsys; then
417 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
418 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
427 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
428 AC_DEFUN([FP_PROG_AR_IS_GNU],
429 [AC_REQUIRE([FP_PROG_AR])
430 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
431 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
432 fp_cv_prog_ar_is_gnu=yes
434 fp_cv_prog_ar_is_gnu=no
436 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
437 ])# FP_PROG_AR_IS_GNU
442 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
443 # to a non-Cygwin invocation of ar including these arguments.
444 AC_DEFUN([FP_PROG_AR_ARGS],
445 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
446 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
448 # GNU ar needs special treatment: it appears to have problems with
449 # object files with the same name if you use the 's' modifier, but
450 # simple 'ar q' works fine, and doesn't need a separate ranlib.
451 if test $fp_prog_ar_is_gnu = yes; then
452 fp_cv_prog_ar_args="q"
455 for fp_var in clqsZ clqs cqs clq cq ; do
457 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
458 fp_cv_prog_ar_args=$fp_var
463 if test -z "$fp_cv_prog_ar_args"; then
464 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
467 fp_prog_ar_args=$fp_cv_prog_ar_args
468 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
473 # FP_PROG_AR_NEEDS_RANLIB
474 # -----------------------
475 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
477 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
478 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
479 AC_REQUIRE([FP_PROG_AR_ARGS])
480 AC_REQUIRE([AC_PROG_CC])
481 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
482 [if test $fp_prog_ar_is_gnu = yes; then
483 fp_cv_prog_ar_needs_ranlib=no
484 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
485 # It's quite tedious to check for Apple's crazy timestamps in .a files,
487 fp_cv_prog_ar_needs_ranlib=yes
488 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
489 fp_cv_prog_ar_needs_ranlib=no
491 fp_cv_prog_ar_needs_ranlib=yes
493 if test $fp_cv_prog_ar_needs_ranlib = yes; then
499 ])# FP_PROG_AR_NEEDS_RANLIB
502 # FP_PROG_AR_SUPPORTS_INPUT
503 # -------------------------
504 # Sets the output variable ArSupportsInput to "-input" or "", depending on
505 # whether ar supports -input flag is supported or not.
506 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
507 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
508 AC_REQUIRE([FP_PROG_AR_ARGS])
509 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
510 [fp_cv_prog_ar_supports_input=no
511 if test $fp_prog_ar_is_gnu = no; then
514 if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
515 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
519 if test $fp_cv_prog_ar_supports_input = yes; then
520 ArSupportsInput="-input"
524 AC_SUBST([ArSupportsInput])
525 ])# FP_PROG_AR_SUPPORTS_INPUT
529 dnl AC_SHEBANG_PERL - can we she-bang perl?
531 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
532 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
537 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
538 if test $? -ne 69; then
539 fptools_cv_shebang_perl=yes
541 fptools_cv_shebang_perl=no
549 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
550 # output variables HaveGcc and GccVersion.
551 AC_DEFUN([FP_HAVE_GCC],
552 [AC_REQUIRE([AC_PROG_CC])
553 if test -z "$GCC"; then
558 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
559 AC_MSG_ERROR([gcc is required])
561 AC_CACHE_CHECK([version of gcc], [fp_gcc_version],
562 [if test "$fp_have_gcc" = "YES"; then
563 fp_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
564 FP_COMPARE_VERSIONS([$fp_gcc_version], [-lt], [2.0],
565 [AC_MSG_ERROR([Need at least gcc version 2.0 (3.4+ recommended)])])
567 fp_gcc_version="not-installed"
570 AC_SUBST([HaveGcc], [$fp_have_gcc])
571 AC_SUBST([GccVersion], [$fp_gcc_version])
574 AC_DEFUN([FP_MINGW_GCC],
577 mingw*) AC_MSG_CHECKING([whether $CC is a mingw gcc])
578 if $CC -v 2>&1 | grep mingw >/dev/null; then
582 AC_MSG_ERROR([Please use --with-gcc to specify a mingw gcc])
588 dnl Small feature test for perl version. Assumes PerlCmd
589 dnl contains path to perl binary.
591 dnl (Perl versions prior to v5.6 does not contain the string "v5";
592 dnl instead they display version strings such as "version 5.005".)
594 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
595 [$PerlCmd -v >conftest.out 2>&1
596 if grep "v5" conftest.out >/dev/null 2>&1; then
599 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
605 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
606 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
607 # -----------------------------------------------------
608 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
609 # of PROG-TO-CHECK-FOR when found.
610 AC_DEFUN([FP_CHECK_PROG],
611 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
617 # Find a non-WinDoze version of the "find" utility.
618 AC_DEFUN([FP_PROG_FIND],
619 [AC_PATH_PROGS([fp_prog_find], [gfind find], find)
620 echo foo > conftest.txt
621 $fp_prog_find conftest.txt -print > conftest.out 2>&1
622 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
623 # OK, looks like a real "find".
624 case $HostPlatform in
626 if test x${OSTYPE} != xmsys
628 fp_prog_find="`cygpath --mixed ${fp_prog_find}`"
629 AC_MSG_NOTICE([normalized find command to $fp_prog_find])
633 FindCmd="$fp_prog_find"
635 # Found a poor WinDoze version of "find", ignore it.
636 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
637 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
639 rm -f conftest.txt conftest.out
640 AC_SUBST([FindCmd])[]dnl
646 # Find a Unix-like sort
647 AC_DEFUN([FP_PROG_SORT],
648 [AC_PATH_PROG([fp_prog_sort], [sort])
649 echo conwip > conftest.txt
650 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
651 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
653 SortCmd="$fp_prog_sort"
655 # Summink else..pick next one.
656 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
657 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
659 rm -f conftest.txt conftest.out
660 AC_SUBST([SortCmd])[]dnl
664 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
665 dnl values of the second argument to the result of running
666 dnl the commands given by the third. It does not cache its
667 dnl result, so it is suitable for checks which should be
670 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
671 [AC_MSG_CHECKING([$1])
673 AC_MSG_RESULT([$][$2])
677 dnl FPTOOLS_GHC_VERSION(version)
678 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
679 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
681 dnl Test for version of installed ghc. Uses $GHC.
682 dnl [original version pinched from c2hs]
684 AC_DEFUN([FPTOOLS_GHC_VERSION],
685 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
686 ["${WithGhc-ghc}" --version > conftestghc 2>&1
687 cat conftestghc >&AS_MESSAGE_LOG_FD
688 #Useless Use Of cat award...
689 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
691 if test "[$]fptools_version_of_ghc" = ""
693 fptools_version_of_ghc='unknown'
695 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
696 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
697 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
699 if test "[$]fptools_version_of_ghc[_pl]" = ""
701 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
702 fptools_version_of_ghc[_pl]="0"
704 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
708 [$1]="[$]fptools_version_of_ghc[_all]"
710 [$1]="[$]fptools_version_of_ghc[_major]"
711 [$2]="[$]fptools_version_of_ghc[_minor]"
713 [$1]="[$]fptools_version_of_ghc[_major]"
714 [$2]="[$]fptools_version_of_ghc[_minor]"
715 [$3]="[$]fptools_version_of_ghc[_pl]"
717 [$1]="[$]fptools_version_of_ghc[_all]"
718 [$2]="[$]fptools_version_of_ghc[_major]"
719 [$3]="[$]fptools_version_of_ghc[_minor]"
720 [$4]="[$]fptools_version_of_ghc[_pl]"
726 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
727 # ---------------------------------------------------------------------------------
728 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
729 # additional flexibility of specifying the PROLOGUE and BODY.
730 AC_DEFUN([FP_CHECK_FUNC],
731 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
732 AC_CACHE_CHECK([for $1], fp_func,
733 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
734 [AS_VAR_SET(fp_func, yes)],
735 [AS_VAR_SET(fp_func, no)])])
736 AS_IF([test AS_VAR_GET(fp_func) = yes],
737 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
738 [Define to 1 if you have the `]$1[' function.]) $4],
740 AS_VAR_POPDEF([fp_func])dnl
746 # Generates a DocBook XML V4.2 document in conftest.xml.
747 AC_DEFUN([FP_GEN_DOCBOOK_XML],
749 cat > conftest.xml << EOF
750 <?xml version="1.0" encoding="iso-8859-1"?>
751 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
752 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
754 <title>A DocBook Test Document</title>
755 <chapter id="id-one">
756 <title>A Chapter Title</title>
757 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
759 <chapter id="id-two">
760 <title>Another Chapter Title</title>
761 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
765 ]) # FP_GEN_DOCBOOK_XML
770 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
771 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
772 AC_DEFUN([FP_PROG_XSLTPROC],
773 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
774 if test -z "$XsltprocCmd"; then
775 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation])
780 # FP_DIR_DOCBOOK_XSL(XSL-DIRS)
781 # ----------------------------
782 # Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The
783 # output variable DIR_DOCBOOK_XSL will contain the first usable directory or
784 # will be empty if none could be found.
785 AC_DEFUN([FP_DIR_DOCBOOK_XSL],
786 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
787 if test -n "$XsltprocCmd"; then
788 AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl,
790 fp_cv_dir_docbook_xsl=no
792 if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then
793 fp_cv_dir_docbook_xsl=$fp_var
799 if test x"$fp_cv_dir_docbook_xsl" = xno; then
800 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
803 DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl
805 AC_SUBST([DIR_DOCBOOK_XSL])
806 ])# FP_DIR_DOCBOOK_XSL
811 # Sets the output variable XmllintCmd to the full path of the XSLT processor
812 # xmllint. XmllintCmd is empty if xmllint could not be found.
813 AC_DEFUN([FP_PROG_XMLLINT],
814 [AC_PATH_PROG([XmllintCmd], [xmllint])
815 if test -z "$XmllintCmd"; then
816 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
821 # FP_CHECK_DOCBOOK_DTD
822 # --------------------
823 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
824 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
825 if test -n "$XmllintCmd"; then
826 AC_MSG_CHECKING([for DocBook DTD])
828 if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then
831 AC_MSG_RESULT([failed])
832 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
833 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
837 ])# FP_CHECK_DOCBOOK_DTD
842 # Generates a formatting objects document in conftest.fo.
843 AC_DEFUN([FP_GEN_FO],
845 cat > conftest.fo << EOF
846 <?xml version="1.0"?>
847 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
848 <fo:layout-master-set>
849 <fo:simple-page-master master-name="blank">
851 </fo:simple-page-master>
852 </fo:layout-master-set>
853 <fo:page-sequence master-reference="blank">
854 <fo:flow flow-name="xsl-region-body">
867 # Set the output variable 'FopCmd' to the first working 'fop' in the current
868 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
869 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
870 AC_DEFUN([FP_PROG_FOP],
871 [AC_PATH_PROGS([FopCmd1], [fop fop.sh])
872 if test -n "$FopCmd1"; then
873 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
875 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
876 fp_cv_fop_usability=yes
878 fp_cv_fop_usability=no
881 if test x"$fp_cv_fop_usability" = xyes; then
885 if test -z "$FopCmd"; then
886 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
893 # FP_PROG_FO_PROCESSOR
894 # --------------------
895 # Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so
896 # try FOP first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd, and
898 AC_DEFUN([FP_PROG_FO_PROCESSOR],
899 [AC_REQUIRE([FP_PROG_FOP])
900 AC_PATH_PROG([XmltexCmd], [xmltex])
901 AC_PATH_PROG([DvipsCmd], [dvips])
902 if test -z "$FopCmd"; then
903 if test -z "$XmltexCmd"; then
904 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation])
906 if test -z "$DvipsCmd"; then
907 AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation])
910 AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex])
911 if test -z "$PdfxmltexCmd"; then
912 AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation])
914 elif test -z "$XmltexCmd"; then
915 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation])
917 ])# FP_PROG_FO_PROCESSOR
922 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
923 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
924 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
925 AC_DEFUN([FP_PROG_GHC_PKG],
926 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
927 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
928 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
929 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
931 fp_cv_matching_ghc_pkg=no
933 if test x"$fp_cv_matching_ghc_pkg" = xno; then
934 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
936 GhcPkgCmd=$fp_cv_matching_ghc_pkg
937 fi])# FP_PROG_GHC_PKG
940 # FP_GHC_HAS_EDITLINE
941 # -------------------
942 AC_DEFUN([FP_GHC_HAS_EDITLINE],
943 [AC_REQUIRE([FP_PROG_GHC_PKG])
944 AC_CACHE_CHECK([whether ghc has editline package], [fp_cv_ghc_has_editline],
945 [if "${GhcPkgCmd-ghc-pkg}" --show-package editline >/dev/null 2>&1; then
946 fp_cv_ghc_has_editline=yes
948 fp_cv_ghc_has_editline=no
950 AC_SUBST([GhcHasEditline], [`echo $fp_cv_ghc_has_editline | sed 'y/yesno/YESNO/'`])
951 ])# FP_GHC_HAS_EDITLINE
956 # Determine which extra flags we need to pass gcc when we invoke it
957 # to compile .hc code.
959 # Some OSs (Mandrake Linux, in particular) configure GCC with
960 # -momit-leaf-frame-pointer on by default. If this is the case, we
961 # need to turn it off for mangling to work. The test is currently a
962 # bit crude, using only the version number of gcc.
964 # -fwrapv is needed for gcc to emit well-behaved code in the presence of
965 # integer wrap around. (Trac #952)
967 # -fno-unit-at-a-time or -fno-toplevel-reoder is necessary to avoid gcc
968 # reordering things in the module and confusing the manger and/or splitter.
971 AC_DEFUN([FP_GCC_EXTRA_FLAGS],
972 [AC_REQUIRE([FP_HAVE_GCC])
973 AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
974 [fp_cv_gcc_extra_opts=
975 FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
976 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
978 case $TargetPlatform in
980 FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.2],
981 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -mno-omit-leaf-frame-pointer"],
983 FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
984 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [4.2],
985 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
986 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-unit-at-a-time"]
991 FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [4.2],
992 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
997 AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
1001 # FP_SETUP_PROJECT_VERSION
1002 # ---------------------
1003 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
1005 if test "$RELEASE" = "NO"; then
1006 AC_MSG_CHECKING([for GHC version date])
1007 if test -f VERSION_DATE; then
1008 PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
1009 AC_MSG_RESULT(given $PACKAGE_VERSION)
1010 elif test -d .git; then
1012 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/"`
1013 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
1014 changequote([, ])dnl
1015 AC_MSG_ERROR([failed to detect version date: check that git is in your path])
1017 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1018 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1019 elif test -d _darcs; then
1020 # TODO: Remove this branch after conversion to Git
1022 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" | sort -n | tail -1`
1023 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
1024 changequote([, ])dnl
1025 AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
1027 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1028 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1029 elif test -f VERSION; then
1030 PACKAGE_VERSION=`cat VERSION`
1031 AC_MSG_RESULT(given $PACKAGE_VERSION)
1033 AC_MSG_WARN([cannot determine snapshot version: no .git or _darcs directory and no VERSION file])
1038 AC_SUBST([ProjectName], [$PACKAGE_NAME])
1039 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
1041 # Split PACKAGE_VERSION into (possibly empty) parts
1042 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1043 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1044 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1045 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1047 # Calculate project version as an integer, using 2 digits for minor version
1048 case $VERSION_MINOR in
1049 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
1050 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
1051 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
1053 AC_SUBST([ProjectVersionInt])
1055 # The project patchlevel is zero unless stated otherwise
1056 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
1058 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
1059 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
1061 AC_SUBST([ProjectPatchLevel])
1062 ])# FP_SETUP_PROJECT_VERSION
1065 # Check for a working timer_create(). We need a pretty detailed check
1066 # here, because there exist partially-working implementations of
1067 # timer_create() in certain versions of Linux (see bug #1933).
1069 AC_DEFUN([FP_CHECK_TIMER_CREATE],
1070 [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)],
1071 [fptools_cv_timer_create_works],
1074 #ifdef HAVE_STDLIB_H
1080 #ifdef HAVE_SIGNAL_H
1083 #ifdef HAVE_UNISTD_H
1087 static volatile int tock = 0;
1088 static void handler(int i)
1093 static void timeout(int i)
1095 // timer_settime() has been known to hang, so just in case
1096 // we install a 1-second timeout (see #2257)
1100 int main(int argc, char *argv[])
1105 struct itimerspec it;
1106 struct sigaction action;
1109 ev.sigev_notify = SIGEV_SIGNAL;
1110 ev.sigev_signo = SIGVTALRM;
1112 action.sa_handler = handler;
1113 action.sa_flags = 0;
1114 sigemptyset(&action.sa_mask);
1115 if (sigaction(SIGVTALRM, &action, NULL) == -1) {
1116 fprintf(stderr,"SIGVTALRM problem\n");
1120 action.sa_handler = timeout;
1121 action.sa_flags = 0;
1122 sigemptyset(&action.sa_mask);
1123 if (sigaction(SIGALRM, &action, NULL) == -1) {
1124 fprintf(stderr,"SIGALRM problem\n");
1129 if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1130 fprintf(stderr,"No CLOCK_PROCESS_CPUTIME_ID timer\n");
1134 it.it_value.tv_sec = 0;
1135 it.it_value.tv_nsec = 1;
1136 it.it_interval = it.it_value;
1137 if (timer_settime(timer, 0, &it, NULL) != 0) {
1138 fprintf(stderr,"settime problem\n");
1144 for(n = 3; n < 20000; n++){
1145 for(m = 2; m <= n/2; m++){
1146 if (!(n%m)) count++;
1153 fprintf(stderr,"no CLOCK_PROCESS_CPUTIME_ID signal\n");
1157 timer_delete(timer);
1159 if (timer_create(CLOCK_REALTIME, &ev, &timer) != 0) {
1160 fprintf(stderr,"No CLOCK_REALTIME timer\n");
1164 it.it_value.tv_sec = 0;
1165 it.it_value.tv_nsec = 1000000;
1166 it.it_interval = it.it_value;
1167 if (timer_settime(timer, 0, &it, NULL) != 0) {
1168 fprintf(stderr,"settime problem\n");
1177 fprintf(stderr,"no CLOCK_REALTIME signal\n");
1181 timer_delete(timer);
1186 [fptools_cv_timer_create_works=yes],
1187 [fptools_cv_timer_create_works=no])
1189 case $fptools_cv_timer_create_works in
1190 yes) AC_DEFINE([USE_TIMER_CREATE], 1,
1191 [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1197 AC_DEFUN([FP_ARG_GMP],
1199 AC_ARG_WITH([gmp-includes],
1200 [AC_HELP_STRING([--with-gmp-includes],
1201 [directory containing gmp.h])],
1202 [gmp_includes=$withval],
1203 [gmp_includes=NONE])
1205 AC_ARG_WITH([gmp-libraries],
1206 [AC_HELP_STRING([--with-gmp-libraries],
1207 [directory containing gmp library])],
1208 [gmp_libraries=$withval],
1209 [gmp_libraries=NONE])
1212 AC_DEFUN([CHECK_GMP],
1213 [AC_REQUIRE([AC_PROG_CPP])
1214 AC_REQUIRE([AC_PROG_CC])
1217 # FP_CHECK_MACOSX_DEPLOYMENT_TARGET
1218 # ---------------------------------
1219 AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
1221 if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
1222 AC_MSG_CHECKING([Mac OS X deployment target])
1223 case $FP_MACOSX_DEPLOYMENT_TARGET in
1225 10.4) MACOSX_DEPLOYMENT_VERSION=10.4
1226 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1228 10.4u) MACOSX_DEPLOYMENT_VERSION=10.4
1229 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1231 *) MACOSX_DEPLOYMENT_VERSION=$FP_MACOSX_DEPLOYMENT_TARGET
1232 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX${FP_MACOSX_DEPLOYMENT_TARGET}.sdk
1235 if test "x$FP_MACOSX_DEPLOYMENT_TARGET" = "xnone"; then
1238 if test ! -d $MACOSX_DEPLOYMENT_SDK; then
1239 AC_MSG_ERROR([Unknown deployment target $FP_MACOSX_DEPLOYMENT_TARGET])
1241 AC_MSG_RESULT([${MACOSX_DEPLOYMENT_VERSION} (${MACOSX_DEPLOYMENT_SDK})])
1246 # --------------------------------------------------------------
1247 # Calculate absolute path to build tree
1248 # --------------------------------------------------------------
1250 AC_DEFUN([FP_FIND_ROOT],[
1251 AC_MSG_CHECKING(for path to top of build tree)
1254 dnl make -C utils/pwd clean && make -C utils/pwd
1255 dnl except we don't want to have to know what make is called. Sigh.
1256 if test ! -f utils/pwd/pwd && test ! -f utils/pwd/pwd.exe; then
1262 $WithGhc -v0 --make pwd -o pwd
1266 hardtop=`utils/pwd/pwd forwardslash`
1268 if ! test -d "$hardtop"; then
1269 AC_MSG_ERROR([cannot determine current directory])
1272 dnl Remove common automounter nonsense
1274 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
1278 AC_MSG_RESULT(${hardtop})
1280 # We don't support building in directories with spaces.
1282 *' '*) AC_MSG_ERROR([
1283 The build system does not support building in a directory containing
1284 space characters. Suggestion: move the build tree somewhere else.])