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 Haddock and version. If there's no installed Haddock, we look
258 dnl for a haddock source tree and point the build system at that instead.
260 AC_DEFUN([FPTOOLS_HADDOCK],
261 [AC_PATH_PROG(HaddockCmd,haddock,)
262 dnl Darn, I forgot to make Haddock print out its version number when
263 dnl invoked with -v. We could try generating some HTML and grepping
264 dnl through that to find the version number, but I think we'll make
265 dnl do without it for now.
266 # Haddock is passed to Cabal, so we need a native path
267 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
268 test "${OSTYPE}" != "msys" && \
269 test "${HaddockCmd}" != ""
271 # Canonicalise to <drive>:/path/to/gcc
272 HaddockCmd=`cygpath -m ${HaddockCmd}`
273 AC_MSG_NOTICE([normalized haddock command to $HaddockCmd])
278 dnl Check for Alex and version. If we're building GHC, then we need
279 dnl at least Alex version 2.0.1.
281 AC_DEFUN([FPTOOLS_ALEX],
283 AC_PATH_PROG(AlexCmd,alex,)
284 # Alex is passed to Cabal, so we need a native path
285 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
286 test "${OSTYPE}" != "msys" && \
287 test "${AlexCmd}" != ""
289 # Canonicalise to <drive>:/path/to/gcc
290 AlexCmd=`cygpath -m ${AlexCmd}`
293 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
295 [if test x"$AlexCmd" != x; then
296 fptools_cv_alex_version="`$AlexCmd -v |
297 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ;
299 fptools_cv_alex_version="";
303 if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
305 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.0.1],
306 [AC_MSG_ERROR([Alex version 2.0.1 or later is required to compile GHC.])])[]dnl
308 AlexVersion=$fptools_cv_alex_version;
309 AC_SUBST(AlexVersion)
315 # Sets the output variable LdCmd to the (non-Cygwin version of the) full path
316 # of ld. Exits if no ld can be found
317 AC_DEFUN([FP_PROG_LD],
321 AC_PATH_PROG([fp_prog_ld_raw], [ld])
322 if test -z "$fp_prog_ld_raw"; then
323 AC_MSG_ERROR([cannot find ld in your PATH, no idea how to link])
325 LdCmd=$fp_prog_ld_raw
326 case $HostPlatform in
327 *mingw32) if test x${OSTYPE} != xmsys; then
328 LdCmd="`cygpath -w ${fp_prog_ld_raw} | sed -e 's@\\\\@/@g'`"
329 AC_MSG_NOTICE([normalized ld command to $LdCmd])
331 # Insist on >= ld-2.15.x, since earlier versions doesn't handle
332 # the generation of relocatable object files with large amounts
333 # of relocations correctly. (cf. HSbase.o splittage-hack)
334 fp_prog_ld_version=`${LdCmd} --version | sed -n '/GNU ld/p' | tr -cd 0-9 | cut -b1-3`
335 FP_COMPARE_VERSIONS([$fp_prog_ld_version],[-lt],[214],
336 [AC_MSG_ERROR([GNU ld version later than 2.14 required to compile GHC on Windows.])])[]dnl
348 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
349 # variable's value is empty.
350 AC_DEFUN([FP_PROG_LD_X],
351 [AC_REQUIRE([FP_PROG_LD])
352 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
353 [echo 'foo() {}' > conftest.c
354 ${CC-cc} -c conftest.c
355 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
361 if test "$fp_cv_ld_x" = yes; then
372 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
374 AC_DEFUN([FP_PROG_LD_IS_GNU],
375 [AC_REQUIRE([FP_PROG_LD])
376 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
377 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
382 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
383 ])# FP_PROG_LD_IS_GNU
388 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
389 # version of it. Exits if no ar can be found
390 AC_DEFUN([FP_PROG_AR],
391 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
392 if test -z "$fp_prog_ar_raw"; then
393 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
395 fp_prog_ar=$fp_prog_ar_raw
396 case $HostPlatform in
397 *mingw32) if test x${OSTYPE} != xmsys; then
398 fp_prog_ar="`cygpath -w ${fp_prog_ar_raw} | sed -e 's@\\\\@/@g'`"
399 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
408 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
409 AC_DEFUN([FP_PROG_AR_IS_GNU],
410 [AC_REQUIRE([FP_PROG_AR])
411 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
412 [if $fp_prog_ar_raw --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
413 fp_cv_prog_ar_is_gnu=yes
415 fp_cv_prog_ar_is_gnu=no
417 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
418 ])# FP_PROG_AR_IS_GNU
423 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
424 # to a non-Cygwin invocation of ar including these arguments.
425 AC_DEFUN([FP_PROG_AR_ARGS],
426 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
427 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
429 # GNU ar needs special treatment: it appears to have problems with
430 # object files with the same name if you use the 's' modifier, but
431 # simple 'ar q' works fine, and doesn't need a separate ranlib.
432 if test $fp_prog_ar_is_gnu = yes; then
433 fp_cv_prog_ar_args="q"
436 for fp_var in clqsZ clqs cqs clq cq ; do
438 if $fp_prog_ar_raw $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
439 fp_cv_prog_ar_args=$fp_var
444 if test -z "$fp_cv_prog_ar_args"; then
445 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
448 fp_prog_ar_args=$fp_cv_prog_ar_args
449 AC_SUBST([ArCmd], ["$fp_prog_ar $fp_prog_ar_args"])
454 # FP_PROG_AR_NEEDS_RANLIB
455 # -----------------------
456 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
458 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
459 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
460 AC_REQUIRE([FP_PROG_AR_ARGS])
461 AC_REQUIRE([AC_PROG_CC])
462 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
463 [if test $fp_prog_ar_is_gnu = yes; then
464 fp_cv_prog_ar_needs_ranlib=no
465 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
466 # It's quite tedious to check for Apple's crazy timestamps in .a files,
468 fp_cv_prog_ar_needs_ranlib=yes
469 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
470 fp_cv_prog_ar_needs_ranlib=no
472 fp_cv_prog_ar_needs_ranlib=yes
474 if test $fp_cv_prog_ar_needs_ranlib = yes; then
480 ])# FP_PROG_AR_NEEDS_RANLIB
483 # FP_PROG_AR_SUPPORTS_INPUT
484 # -------------------------
485 # Sets the output variable ArSupportsInput to "-input" or "", depending on
486 # whether ar supports -input flag is supported or not.
487 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
488 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
489 AC_REQUIRE([FP_PROG_AR_ARGS])
490 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
491 [fp_cv_prog_ar_supports_input=no
492 if test $fp_prog_ar_is_gnu = no; then
495 if FP_EVAL_STDERR([$fp_prog_ar_raw $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
496 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
500 if test $fp_cv_prog_ar_supports_input = yes; then
501 ArSupportsInput="-input"
505 AC_SUBST([ArSupportsInput])
506 ])# FP_PROG_AR_SUPPORTS_INPUT
510 dnl AC_SHEBANG_PERL - can we she-bang perl?
512 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
513 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
518 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
519 if test $? -ne 69; then
520 fptools_cv_shebang_perl=yes
522 fptools_cv_shebang_perl=no
530 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
531 # output variables HaveGcc and GccVersion.
532 AC_DEFUN([FP_HAVE_GCC],
533 [AC_REQUIRE([AC_PROG_CC])
534 if test -z "$GCC"; then
539 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
540 AC_MSG_ERROR([gcc is required])
542 AC_CACHE_CHECK([version of gcc], [fp_gcc_version],
543 [if test "$fp_have_gcc" = "YES"; then
544 fp_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
545 FP_COMPARE_VERSIONS([$fp_gcc_version], [-lt], [2.0],
546 [AC_MSG_ERROR([Need at least gcc version 2.0 (3.4+ recommended)])])
548 fp_gcc_version="not-installed"
551 AC_SUBST([HaveGcc], [$fp_have_gcc])
552 AC_SUBST([GccVersion], [$fp_gcc_version])
555 AC_DEFUN([FP_MINGW_GCC],
558 mingw*) AC_MSG_CHECKING([whether $CC is a mingw gcc])
559 if $CC -v 2>&1 | grep mingw >/dev/null; then
563 AC_MSG_ERROR([Please use --with-gcc to specify a mingw gcc])
569 dnl Small feature test for perl version. Assumes PerlCmd
570 dnl contains path to perl binary.
572 dnl (Perl versions prior to v5.6 does not contain the string "v5";
573 dnl instead they display version strings such as "version 5.005".)
575 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
576 [$PerlCmd -v >conftest.out 2>&1
577 if grep "v5" conftest.out >/dev/null 2>&1; then
580 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
586 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
587 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
588 # -----------------------------------------------------
589 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
590 # of PROG-TO-CHECK-FOR when found.
591 AC_DEFUN([FP_CHECK_PROG],
592 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
598 # Find a non-WinDoze version of the "find" utility.
599 AC_DEFUN([FP_PROG_FIND],
600 [AC_PATH_PROG([fp_prog_find], [find])
601 echo foo > conftest.txt
602 $fp_prog_find conftest.txt -print > conftest.out 2>&1
603 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
604 # OK, looks like a real "find".
605 case $HostPlatform in
607 if test x${OSTYPE} != xmsys
609 fp_prog_find="`cygpath --mixed ${fp_prog_find}`"
610 AC_MSG_NOTICE([normalized find command to $fp_prog_find])
614 FindCmd="$fp_prog_find"
616 # Found a poor WinDoze version of "find", ignore it.
617 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
618 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
620 rm -f conftest.txt conftest.out
621 AC_SUBST([FindCmd])[]dnl
627 # Find a Unix-like sort
628 AC_DEFUN([FP_PROG_SORT],
629 [AC_PATH_PROG([fp_prog_sort], [sort])
630 echo conwip > conftest.txt
631 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
632 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
634 SortCmd="$fp_prog_sort"
636 # Summink else..pick next one.
637 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
638 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
640 rm -f conftest.txt conftest.out
641 AC_SUBST([SortCmd])[]dnl
645 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
646 dnl values of the second argument to the result of running
647 dnl the commands given by the third. It does not cache its
648 dnl result, so it is suitable for checks which should be
651 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
652 [AC_MSG_CHECKING([$1])
654 AC_MSG_RESULT([$][$2])
658 dnl FPTOOLS_GHC_VERSION(version)
659 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
660 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
662 dnl Test for version of installed ghc. Uses $GHC.
663 dnl [original version pinched from c2hs]
665 AC_DEFUN([FPTOOLS_GHC_VERSION],
666 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
667 ["${WithGhc-ghc}" --version > conftestghc 2>&1
668 cat conftestghc >&AS_MESSAGE_LOG_FD
669 #Useless Use Of cat award...
670 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
672 if test "[$]fptools_version_of_ghc" = ""
674 fptools_version_of_ghc='unknown'
676 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
677 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
678 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
680 if test "[$]fptools_version_of_ghc[_pl]" = ""
682 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
683 fptools_version_of_ghc[_pl]="0"
685 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
689 [$1]="[$]fptools_version_of_ghc[_all]"
691 [$1]="[$]fptools_version_of_ghc[_major]"
692 [$2]="[$]fptools_version_of_ghc[_minor]"
694 [$1]="[$]fptools_version_of_ghc[_major]"
695 [$2]="[$]fptools_version_of_ghc[_minor]"
696 [$3]="[$]fptools_version_of_ghc[_pl]"
698 [$1]="[$]fptools_version_of_ghc[_all]"
699 [$2]="[$]fptools_version_of_ghc[_major]"
700 [$3]="[$]fptools_version_of_ghc[_minor]"
701 [$4]="[$]fptools_version_of_ghc[_pl]"
707 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
708 # ---------------------------------------------------------------------------------
709 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
710 # additional flexibility of specifying the PROLOGUE and BODY.
711 AC_DEFUN([FP_CHECK_FUNC],
712 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
713 AC_CACHE_CHECK([for $1], fp_func,
714 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
715 [AS_VAR_SET(fp_func, yes)],
716 [AS_VAR_SET(fp_func, no)])])
717 AS_IF([test AS_VAR_GET(fp_func) = yes],
718 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
719 [Define to 1 if you have the `]$1[' function.]) $4],
721 AS_VAR_POPDEF([fp_func])dnl
727 # Generates a DocBook XML V4.2 document in conftest.xml.
728 AC_DEFUN([FP_GEN_DOCBOOK_XML],
730 cat > conftest.xml << EOF
731 <?xml version="1.0" encoding="iso-8859-1"?>
732 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
733 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
735 <title>A DocBook Test Document</title>
736 <chapter id="id-one">
737 <title>A Chapter Title</title>
738 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
740 <chapter id="id-two">
741 <title>Another Chapter Title</title>
742 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
746 ]) # FP_GEN_DOCBOOK_XML
751 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
752 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
753 AC_DEFUN([FP_PROG_XSLTPROC],
754 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
755 if test -z "$XsltprocCmd"; then
756 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the documentation])
761 # FP_DIR_DOCBOOK_XSL(XSL-DIRS)
762 # ----------------------------
763 # Check which of the directories XSL-DIRS contains DocBook XSL stylesheets. The
764 # output variable DIR_DOCBOOK_XSL will contain the first usable directory or
765 # will be empty if none could be found.
766 AC_DEFUN([FP_DIR_DOCBOOK_XSL],
767 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
768 if test -n "$XsltprocCmd"; then
769 AC_CACHE_CHECK([for DocBook XSL stylesheet directory], fp_cv_dir_docbook_xsl,
771 fp_cv_dir_docbook_xsl=no
773 if $XsltprocCmd ${fp_var}/html/docbook.xsl conftest.xml > /dev/null 2>&1; then
774 fp_cv_dir_docbook_xsl=$fp_var
780 if test x"$fp_cv_dir_docbook_xsl" = xno; then
781 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
784 DIR_DOCBOOK_XSL=$fp_cv_dir_docbook_xsl
786 AC_SUBST([DIR_DOCBOOK_XSL])
787 ])# FP_DIR_DOCBOOK_XSL
792 # Sets the output variable XmllintCmd to the full path of the XSLT processor
793 # xmllint. XmllintCmd is empty if xmllint could not be found.
794 AC_DEFUN([FP_PROG_XMLLINT],
795 [AC_PATH_PROG([XmllintCmd], [xmllint])
796 if test -z "$XmllintCmd"; then
797 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
802 # FP_CHECK_DOCBOOK_DTD
803 # --------------------
804 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
805 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
806 if test -n "$XmllintCmd"; then
807 AC_MSG_CHECKING([for DocBook DTD])
809 if $XmllintCmd --valid --noout conftest.xml > /dev/null 2>&1; then
812 AC_MSG_RESULT([failed])
813 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
814 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
818 ])# FP_CHECK_DOCBOOK_DTD
823 # Generates a formatting objects document in conftest.fo.
824 AC_DEFUN([FP_GEN_FO],
826 cat > conftest.fo << EOF
827 <?xml version="1.0"?>
828 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
829 <fo:layout-master-set>
830 <fo:simple-page-master master-name="blank">
832 </fo:simple-page-master>
833 </fo:layout-master-set>
834 <fo:page-sequence master-reference="blank">
835 <fo:flow flow-name="xsl-region-body">
848 # Set the output variable 'FopCmd' to the first working 'fop' in the current
849 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
850 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
851 AC_DEFUN([FP_PROG_FOP],
852 [AC_PATH_PROGS([FopCmd1], [fop fop.sh])
853 if test -n "$FopCmd1"; then
854 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
856 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
857 fp_cv_fop_usability=yes
859 fp_cv_fop_usability=no
862 if test x"$fp_cv_fop_usability" = xyes; then
866 if test -z "$FopCmd"; then
867 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
874 # FP_PROG_FO_PROCESSOR
875 # --------------------
876 # Try to find an FO processor. PassiveTeX output is sometimes a bit strange, so
877 # try FOP first. Sets the output variables FopCmd, XmltexCmd, DvipsCmd, and
879 AC_DEFUN([FP_PROG_FO_PROCESSOR],
880 [AC_REQUIRE([FP_PROG_FOP])
881 AC_PATH_PROG([XmltexCmd], [xmltex])
882 AC_PATH_PROG([DvipsCmd], [dvips])
883 if test -z "$FopCmd"; then
884 if test -z "$XmltexCmd"; then
885 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI or PostScript documentation])
887 if test -z "$DvipsCmd"; then
888 AC_MSG_WARN([cannot find a DVI => PS converter, you will not be able to build PostScript documentation])
891 AC_PATH_PROG([PdfxmltexCmd], [pdfxmltex])
892 if test -z "$PdfxmltexCmd"; then
893 AC_MSG_WARN([cannot find an FO => PDF converter, you will not be able to build PDF documentation])
895 elif test -z "$XmltexCmd"; then
896 AC_MSG_WARN([cannot find an FO => DVI converter, you will not be able to build DVI documentation])
898 ])# FP_PROG_FO_PROCESSOR
903 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
904 # WithGhc. If the latter is unset or no matching ghc-pkg can be found, try to
905 # find a plain ghc-pkg. Sets the output variable GhcPkgCmd.
906 AC_DEFUN([FP_PROG_GHC_PKG],
907 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
908 [fp_ghc_pkg_guess=`echo $WithGhc | sed 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
909 if "$fp_ghc_pkg_guess" -l > /dev/null 2>&1; then
910 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
912 fp_cv_matching_ghc_pkg=no
914 if test x"$fp_cv_matching_ghc_pkg" = xno; then
915 AC_PATH_PROG([GhcPkgCmd], [ghc-pkg])
917 GhcPkgCmd=$fp_cv_matching_ghc_pkg
918 fi])# FP_PROG_GHC_PKG
921 # FP_GHC_HAS_EDITLINE
922 # -------------------
923 AC_DEFUN([FP_GHC_HAS_EDITLINE],
924 [AC_REQUIRE([FP_PROG_GHC_PKG])
925 AC_CACHE_CHECK([whether ghc has editline package], [fp_cv_ghc_has_editline],
926 [if "${GhcPkgCmd-ghc-pkg}" --show-package editline >/dev/null 2>&1; then
927 fp_cv_ghc_has_editline=yes
929 fp_cv_ghc_has_editline=no
931 AC_SUBST([GhcHasEditline], [`echo $fp_cv_ghc_has_editline | sed 'y/yesno/YESNO/'`])
932 ])# FP_GHC_HAS_EDITLINE
937 # Determine which extra flags we need to pass gcc when we invoke it
938 # to compile .hc code.
940 # Some OSs (Mandrake Linux, in particular) configure GCC with
941 # -momit-leaf-frame-pointer on by default. If this is the case, we
942 # need to turn it off for mangling to work. The test is currently a
943 # bit crude, using only the version number of gcc.
945 # -fwrapv is needed for gcc to emit well-behaved code in the presence of
946 # integer wrap around. (Trac #952)
948 # -fno-unit-at-a-time or -fno-toplevel-reoder is necessary to avoid gcc
949 # reordering things in the module and confusing the manger and/or splitter.
952 AC_DEFUN([FP_GCC_EXTRA_FLAGS],
953 [AC_REQUIRE([FP_HAVE_GCC])
954 AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
955 [fp_cv_gcc_extra_opts=
956 FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
957 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
959 case $TargetPlatform in
961 FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.2],
962 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -mno-omit-leaf-frame-pointer"],
964 FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
965 [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [4.2],
966 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
967 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-unit-at-a-time"]
972 FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [4.2],
973 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
978 AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
982 # FP_SETUP_PROJECT_VERSION
983 # ---------------------
984 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
986 if test "$RELEASE" = "NO"; then
987 AC_MSG_CHECKING([for GHC version date])
988 if test -f VERSION_DATE; then
989 PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
990 AC_MSG_RESULT(given $PACKAGE_VERSION)
991 elif test -d _darcs; then
993 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`
994 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
996 AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
998 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
999 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1000 elif test -f VERSION; then
1001 PACKAGE_VERSION=`cat VERSION`
1002 AC_MSG_RESULT(given $PACKAGE_VERSION)
1004 AC_MSG_WARN([cannot determine snapshot version: no _darcs directory and no VERSION file])
1009 AC_SUBST([ProjectName], [$PACKAGE_NAME])
1010 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
1012 # Split PACKAGE_VERSION into (possibly empty) parts
1013 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1014 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1015 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1016 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1018 # Calculate project version as an integer, using 2 digits for minor version
1019 case $VERSION_MINOR in
1020 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
1021 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
1022 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
1024 AC_SUBST([ProjectVersionInt])
1026 # The project patchlevel is zero unless stated otherwise
1027 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
1029 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
1030 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
1032 AC_SUBST([ProjectPatchLevel])
1033 ])# FP_SETUP_PROJECT_VERSION
1036 # Check for a working timer_create(). We need a pretty detailed check
1037 # here, because there exist partially-working implementations of
1038 # timer_create() in certain versions of Linux (see bug #1933).
1040 AC_DEFUN([FP_CHECK_TIMER_CREATE],
1041 [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)],
1042 [fptools_cv_timer_create_works],
1045 #ifdef HAVE_STDLIB_H
1051 #ifdef HAVE_SIGNAL_H
1054 #ifdef HAVE_UNISTD_H
1058 static volatile int tock = 0;
1059 static void handler(int i)
1064 static void timeout(int i)
1066 // timer_settime() has been known to hang, so just in case
1067 // we install a 1-second timeout (see #2257)
1071 int main(int argc, char *argv[])
1076 struct itimerspec it;
1077 struct sigaction action;
1080 ev.sigev_notify = SIGEV_SIGNAL;
1081 ev.sigev_signo = SIGVTALRM;
1083 action.sa_handler = handler;
1084 action.sa_flags = 0;
1085 sigemptyset(&action.sa_mask);
1086 if (sigaction(SIGVTALRM, &action, NULL) == -1) {
1087 fprintf(stderr,"SIGVTALRM problem\n");
1091 action.sa_handler = timeout;
1092 action.sa_flags = 0;
1093 sigemptyset(&action.sa_mask);
1094 if (sigaction(SIGALRM, &action, NULL) == -1) {
1095 fprintf(stderr,"SIGALRM problem\n");
1100 if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1101 fprintf(stderr,"No CLOCK_PROCESS_CPUTIME_ID timer\n");
1105 it.it_value.tv_sec = 0;
1106 it.it_value.tv_nsec = 1;
1107 it.it_interval = it.it_value;
1108 if (timer_settime(timer, 0, &it, NULL) != 0) {
1109 fprintf(stderr,"settime problem\n");
1115 for(n = 3; n < 20000; n++){
1116 for(m = 2; m <= n/2; m++){
1117 if (!(n%m)) count++;
1124 fprintf(stderr,"no CLOCK_PROCESS_CPUTIME_ID signal\n");
1128 timer_delete(timer);
1130 if (timer_create(CLOCK_REALTIME, &ev, &timer) != 0) {
1131 fprintf(stderr,"No CLOCK_REALTIME timer\n");
1135 it.it_value.tv_sec = 0;
1136 it.it_value.tv_nsec = 1000000;
1137 it.it_interval = it.it_value;
1138 if (timer_settime(timer, 0, &it, NULL) != 0) {
1139 fprintf(stderr,"settime problem\n");
1148 fprintf(stderr,"no CLOCK_REALTIME signal\n");
1152 timer_delete(timer);
1157 [fptools_cv_timer_create_works=yes],
1158 [fptools_cv_timer_create_works=no])
1160 case $fptools_cv_timer_create_works in
1161 yes) AC_DEFINE([USE_TIMER_CREATE], 1,
1162 [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1168 AC_DEFUN([FP_ARG_GMP],
1170 AC_ARG_WITH([gmp-includes],
1171 [AC_HELP_STRING([--with-gmp-includes],
1172 [directory containing gmp.h])],
1173 [gmp_includes=$withval],
1174 [gmp_includes=NONE])
1176 AC_ARG_WITH([gmp-libraries],
1177 [AC_HELP_STRING([--with-gmp-libraries],
1178 [directory containing gmp library])],
1179 [gmp_libraries=$withval],
1180 [gmp_libraries=NONE])
1183 AC_DEFUN([CHECK_GMP],
1184 [AC_REQUIRE([AC_PROG_CPP])
1185 AC_REQUIRE([AC_PROG_CC])
1188 # FP_CHECK_MACOSX_DEPLOYMENT_TARGET
1189 # ---------------------------------
1190 AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
1192 if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
1193 AC_MSG_CHECKING([Mac OS X deployment target])
1194 case $FP_MACOSX_DEPLOYMENT_TARGET in
1196 10.4) MACOSX_DEPLOYMENT_VERSION=10.4
1197 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1199 10.4u) MACOSX_DEPLOYMENT_VERSION=10.4
1200 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1202 *) MACOSX_DEPLOYMENT_VERSION=$FP_MACOSX_DEPLOYMENT_TARGET
1203 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX${FP_MACOSX_DEPLOYMENT_TARGET}.sdk
1206 if test "x$FP_MACOSX_DEPLOYMENT_TARGET" = "xnone"; then
1209 if test ! -d $MACOSX_DEPLOYMENT_SDK; then
1210 AC_MSG_ERROR([Unknown deployment target $FP_MACOSX_DEPLOYMENT_TARGET])
1212 AC_MSG_RESULT([${MACOSX_DEPLOYMENT_VERSION} (${MACOSX_DEPLOYMENT_SDK})])
1217 # --------------------------------------------------------------
1218 # Calculate absolute path to build tree
1219 # --------------------------------------------------------------
1221 AC_DEFUN([FP_FIND_ROOT],[
1222 AC_MSG_CHECKING(for path to top of build tree)
1225 dnl make -C utils/pwd clean && make -C utils/pwd
1226 dnl except we don't want to have to know what make is called. Sigh.
1227 if test ! -f utils/pwd/pwd && test ! -f utils/pwd/pwd.exe; then
1233 $WithGhc -v0 --make pwd -o pwd
1237 hardtop=`utils/pwd/pwd forwardslash`
1239 if ! test -d "$hardtop"; then
1240 AC_MSG_ERROR([cannot determine current directory])
1243 dnl Remove common automounter nonsense
1245 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
1249 AC_MSG_RESULT(${hardtop})
1251 # We don't support building in directories with spaces.
1253 *' '*) AC_MSG_ERROR([
1254 The build system does not support building in a directory containing
1255 space characters. Suggestion: move the build tree somewhere else.])