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_SET_PLATFORM_VARS
8 # ----------------------------------
9 # Set the platform variables
10 AC_DEFUN([FPTOOLS_SET_PLATFORM_VARS],
12 # If no argument was given for a configuration variable, then discard
13 # the guessed canonical system and use the configuration of the
14 # bootstrapping ghc. If an argument was given, map it from gnu format
17 # For why we do it this way, see: #3637, #1717, #2951
19 # In bindists, we haven't called AC_CANONICAL_{BUILD,HOST,TARGET}
20 # so this justs uses $bootstrap_target.
22 if test "$build_alias" = ""
24 if test "$bootstrap_target" != ""
26 build=$bootstrap_target
27 echo "Build platform inferred as: $build"
29 echo "Can't work out build platform"
33 BuildArch=`echo "$build" | sed 's/-.*//'`
34 BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
35 BuildOS=`echo "$build" | sed 's/.*-//'`
37 GHC_CONVERT_CPU([$build_cpu], [BuildArch])
38 GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
39 GHC_CONVERT_OS([$build_os], [BuildOS])
42 if test "$host_alias" = ""
44 if test "$bootstrap_target" != ""
46 host=$bootstrap_target
47 echo "Host platform inferred as: $host"
49 echo "Can't work out host platform"
53 HostArch=`echo "$host" | sed 's/-.*//'`
54 HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
55 HostOS=`echo "$host" | sed 's/.*-//'`
57 GHC_CONVERT_CPU([$host_cpu], [HostArch])
58 GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
59 GHC_CONVERT_OS([$host_os], [HostOS])
62 if test "$target_alias" = ""
64 if test "$bootstrap_target" != ""
66 target=$bootstrap_target
67 echo "Target platform inferred as: $target"
69 echo "Can't work out target platform"
73 TargetArch=`echo "$target" | sed 's/-.*//'`
74 TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
75 TargetOS=`echo "$target" | sed 's/.*-//'`
77 GHC_CONVERT_CPU([$target_cpu], [TargetArch])
78 GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
79 GHC_CONVERT_OS([$target_os], [TargetOS])
84 # FPTOOLS_SET_C_LD_FLAGS
85 # ----------------------------------
86 # Set the C, LD and CPP flags for a given platform
88 # $2 is the name of the CC flags variable
89 # $3 is the name of the linker flags variable when linking with gcc
90 # $4 is the name of the linker flags variable when linking with ld
91 # $5 is the name of the CPP flags variable
92 AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
94 AC_MSG_CHECKING([Setting up $2, $3, $4 and $5])
105 $4="$$4 -arch x86_64"
110 # If gcc knows about the stack protector, turn it off.
111 # Otherwise the stack-smash handler gets triggered.
112 echo 'int main(void) {return 0;}' > conftest.c
113 if $CC -c conftest.c -fno-stack-protector > /dev/null 2>&1
115 $2="$$2 -fno-stack-protector"
117 rm -f conftest.c conftest.o
118 AC_MSG_RESULT([done])
122 # FP_VISIBILITY_HIDDEN
123 # ----------------------------------
124 # Is the visibility hidden attribute supported?
125 AC_DEFUN([FP_VISIBILITY_HIDDEN],
127 AC_MSG_CHECKING([whether __attribute__((visibility("hidden"))) is supported])
128 echo '__attribute__((visibility("hidden"))) void foo(void) {}' > conftest.c
129 if $CC -Wall -Werror -c conftest.c > /dev/null 2>&1
132 AC_DEFINE(HAS_VISIBILITY_HIDDEN, 1, [Has visibility hidden])
136 rm -f conftest.c conftest.o
140 # FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
141 # ----------------------------------
142 # Little endian Arm on Linux with some ABIs has big endian word order
143 # in doubles. Define FLOAT_WORDS_BIGENDIAN if this is the case.
144 AC_DEFUN([FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN],
145 [AC_CACHE_CHECK([whether float word order is big endian], [fptools_cv_float_word_order_bigendian],
148 [#include <endian.h>],
149 [#if defined(__FLOAT_WORD_ORDER) && __FLOAT_WORD_ORDER == BIG_ENDIAN
152 not float word order big endian
155 [fptools_cv_float_word_order_bigendian=yes],
156 [fptools_cv_float_word_order_bigendian=no])
158 case $fptools_cv_float_word_order_bigendian in
160 AC_DEFINE([FLOAT_WORDS_BIGENDIAN], 1,
161 [Define to 1 if your processor stores words of floats with
162 the most significant byte first]) ;;
167 # FP_EVAL_STDERR(COMMAND)
168 # -----------------------
169 # Eval COMMAND, save its stderr (without lines resulting from shell tracing)
170 # into the file conftest.err and the exit status in the variable fp_status.
171 AC_DEFUN([FP_EVAL_STDERR],
172 [{ (eval $1) 2>conftest.er1
174 grep -v '^ *+' conftest.er1 >conftest.err
176 (exit $fp_status); }[]dnl
180 # FP_ARG_WITH_PATH_GNU_PROG
181 # --------------------
184 # $1 = the variable to set
185 # $2 = the command to look for
187 AC_DEFUN([FP_ARG_WITH_PATH_GNU_PROG],
190 [AC_HELP_STRING([--with-$2=ARG],
191 [Use ARG as the path to $2 [default=autodetect]])],
193 if test "$HostOS" = "mingw32"
195 AC_MSG_WARN([Request to use $withval will be ignored])
201 if test "$HostOS" != "mingw32"
203 AC_PATH_PROG([$1], [$2])
206 AC_MSG_ERROR([cannot find $2 in your PATH, no idea how to link])
211 ]) # FP_ARG_WITH_PATH_GNU_PROG
214 # FP_PROG_CONTEXT_DIFF
215 # --------------------
216 # Figure out how to do context diffs. Sets the output variable ContextDiffCmd.
218 # Note: NeXTStep thinks diff'ing a file against itself is "trouble".
220 # Used by ghc, glafp-utils/ltx, and glafp-utils/runstdtest.
221 AC_DEFUN([FP_PROG_CONTEXT_DIFF],
222 [AC_CACHE_CHECK([for a working context diff], [fp_cv_context_diff],
223 [echo foo > conftest1
225 fp_cv_context_diff=no
226 for fp_var in '-U 1' '-u1' '-C 1' '-c1'
228 if diff $fp_var conftest1 conftest2 > /dev/null 2>&1; then
229 fp_cv_context_diff="diff $fp_var"
233 if test x"$fp_cv_context_diff" = xno; then
234 AC_MSG_ERROR([cannot figure out how to do context diffs])
236 AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff])
237 ])# FP_PROG_CONTEXT_DIFF
240 # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS)
241 # --------------------------------------------------------
242 # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for
243 # compilation. Execute IF-FAILS when unable to determine the value. Works for
244 # cross-compilation, too.
246 # Implementation note: We are lazy and use an internal autoconf macro, but it
247 # is supported in autoconf versions 2.50 up to the actual 2.57, so there is
249 AC_DEFUN([FP_COMPUTE_INT],
250 [_AC_COMPUTE_INT([$1], [$2], [$3], [$4])[]dnl
254 # FP_CHECK_ALIGNMENT(TYPE, [IGNORED], [INCLUDES = DEFAULT-INCLUDES])
255 # ------------------------------------------------------------------
256 # A variation of AC_CHECK_SIZEOF for computing the alignment restrictions of a
257 # given type. Defines ALIGNMENT_TYPE.
258 AC_DEFUN([FP_CHECK_ALIGNMENT],
259 [AS_LITERAL_IF(m4_translit([[$1]], [*], [p]), [],
260 [AC_FATAL([$0: requires literal arguments])])[]dnl
261 AC_CHECK_TYPE([$1], [], [], [$3])[]dnl
262 m4_pushdef([fp_Cache], [AS_TR_SH([fp_cv_alignment_$1])])[]dnl
263 AC_CACHE_CHECK([alignment of $1], [fp_Cache],
264 [if test "$AS_TR_SH([ac_cv_type_$1])" = yes; then
265 FP_COMPUTE_INT([(long) (&((struct { char c; $1 ty; } *)0)->ty)],
267 [AC_INCLUDES_DEFAULT([$3])],
268 [AC_MSG_ERROR([cannot compute alignment ($1)
269 See `config.log' for more details.], [77])])
273 AC_DEFINE_UNQUOTED(AS_TR_CPP(alignment_$1), $fp_Cache, [The alignment of a `$1'.])[]dnl
274 m4_popdef([fp_Cache])[]dnl
275 ])# FP_CHECK_ALIGNMENT
278 # FP_LEADING_UNDERSCORE
279 # ---------------------
280 # Test for determining whether symbol names have a leading underscore. We assume
281 # that they _haven't_ if anything goes wrong. Sets the output variable
282 # LeadingUnderscore to YES or NO and defines LEADING_UNDERSCORE correspondingly.
284 # Some nlist implementations seem to try to be compatible by ignoring a leading
285 # underscore sometimes (eg. FreeBSD). We therefore have to work around this by
286 # checking for *no* leading underscore first. Sigh. --SDM
288 # Similarly on OpenBSD, but this test doesn't help. -- dons
289 AC_DEFUN([FP_LEADING_UNDERSCORE],
290 [AC_CHECK_LIB([elf], [nlist], [LIBS="-lelf $LIBS"])
291 AC_CACHE_CHECK([leading underscore in symbol names], [fptools_cv_leading_underscore], [
292 # Hack!: nlist() under Digital UNIX insist on there being an _,
293 # but symbol table listings shows none. What is going on here?!?
295 # Another hack: cygwin doesn't come with nlist.h , so we hardwire
296 # the underscoredness of that "platform"
297 case $HostPlatform in
298 *openbsd*) # x86 openbsd is ELF from 3.4 >, meaning no leading uscore
300 i386-*2\.@<:@0-9@:>@ | i386-*3\.@<:@0-3@:>@ ) fptools_cv_leading_underscore=yes ;;
301 *) fptools_cv_leading_underscore=no ;;
303 alpha-dec-osf*) fptools_cv_leading_underscore=no;;
304 *cygwin32) fptools_cv_leading_underscore=yes;;
305 *mingw32) fptools_cv_leading_underscore=yes;;
307 # HACK: Apple doesn't seem to provide nlist in the 64-bit-libraries
308 x86_64-apple-darwin*) fptools_cv_leading_underscore=yes;;
310 *) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H
312 struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}};
313 struct nlist xYzzY2[] = {{"_xYzzY2", 0},{0}};
321 if(nlist(argv[0], xYzzY1) == 0 && xYzzY1[0].n_value != 0)
323 if(nlist(argv[0], xYzzY2) == 0 && xYzzY2[0].n_value != 0)
327 }]])],[fptools_cv_leading_underscore=yes],[fptools_cv_leading_underscore=no],[fptools_cv_leading_underscore=no])
330 AC_SUBST([LeadingUnderscore], [`echo $fptools_cv_leading_underscore | sed 'y/yesno/YESNO/'`])
331 if test x"$fptools_cv_leading_underscore" = xyes; then
332 AC_DEFINE([LEADING_UNDERSCORE], [1], [Define to 1 if C symbols have a leading underscore added by the compiler.])
333 fi])# FP_LEADING_UNDERSCORE
336 # FP_COMPARE_VERSIONS(VERSION1, TEST, VERSION2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
337 # ----------------------------------------------------------------------------------
338 # Compare dotted version numbers VERSION1 and VERSION2 lexicographically according
339 # to TEST (one of -eq, -ne, -lt, -le, -gt, or -ge).
340 AC_DEFUN([FP_COMPARE_VERSIONS],
341 [fp_version1=$1; fp_version2=$3
342 fp_save_IFS=$IFS; IFS='.'
343 while test x"$fp_version1" != x || test x"$fp_version2" != x
346 set dummy $fp_version1; shift
348 test $[@%:@] = 0 || { fp_num1="[$]1"; shift; }
349 test x"$fp_num1" = x && fp_num1="0"
352 set dummy $fp_version2; shift
354 test $[@%:@] = 0 || { fp_num2="[$]1"; shift; }
355 test x"$fp_num2" = x && fp_num2="0"
358 test "$fp_num1" = "$fp_num2" || break;
361 AS_IF([test "$fp_num1" $2 "$fp_num2"], [$4], [$5])[]dnl
362 ])# FP_COMPARE_VERSIONS
366 dnl Check for GreenCard and version.
368 AC_DEFUN([FPTOOLS_GREENCARD],
370 AC_PATH_PROG(GreenCardCmd,greencard)
371 AC_CACHE_CHECK([for version of greencard], fptools_cv_greencard_version,
373 [if test x"$GreenCardCmd" != x; then
374 fptools_cv_greencard_version="`$GreenCardCmd --version |
375 grep 'version' | sed -e 's/greencard. version \([^ ]*\).*/\1/g'`"
377 fptools_cv_greencard_version=""
381 FP_COMPARE_VERSIONS([$fptools_cv_greencard_version],[-lt],[$1],
382 [AC_MSG_ERROR([greencard version $1 or later is required (found '$fptools_cv_greencard_version')])])[]dnl
383 GreenCardVersion=$fptools_cv_greencard_version
384 AC_SUBST(GreenCardVersion)
388 dnl Check for Happy and version. If we're building GHC, then we need
389 dnl at least Happy version 1.14. If there's no installed Happy, we look
390 dnl for a happy source tree and point the build system at that instead.
392 AC_DEFUN([FPTOOLS_HAPPY],
393 [AC_PATH_PROG(HappyCmd,happy,)
394 # Happy is passed to Cabal, so we need a native path
395 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
396 test "${OSTYPE}" != "msys" && \
397 test "${HappyCmd}" != ""
399 # Canonicalise to <drive>:/path/to/gcc
400 HappyCmd=`cygpath -m "${HappyCmd}"`
401 AC_MSG_NOTICE([normalized happy command to $HappyCmd])
404 AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version,
406 [if test x"$HappyCmd" != x; then
407 fptools_cv_happy_version=`"$HappyCmd" -v |
408 grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'` ;
410 fptools_cv_happy_version="";
414 if test ! -f compiler/parser/Parser.hs || test ! -f compiler/cmm/CmmParse.hs || test ! -f compiler/parser/ParserCore.hs
416 FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.16],
417 [AC_MSG_ERROR([Happy version 1.16 or later is required to compile GHC.])])[]
419 HappyVersion=$fptools_cv_happy_version;
420 AC_SUBST(HappyVersion)
424 dnl Check for Alex and version. If we're building GHC, then we need
425 dnl at least Alex version 2.0.1.
427 AC_DEFUN([FPTOOLS_ALEX],
429 AC_PATH_PROG(AlexCmd,alex,)
430 # Alex is passed to Cabal, so we need a native path
431 if test "x$HostPlatform" = "xi386-unknown-mingw32" && \
432 test "${OSTYPE}" != "msys" && \
433 test "${AlexCmd}" != ""
435 # Canonicalise to <drive>:/path/to/gcc
436 AlexCmd=`cygpath -m "${AlexCmd}"`
439 AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version,
441 [if test x"$AlexCmd" != x; then
442 fptools_cv_alex_version=`"$AlexCmd" -v |
443 grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'` ;
445 fptools_cv_alex_version="";
449 if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs
451 FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.1.0],
452 [AC_MSG_ERROR([Alex version 2.1.0 or later is required to compile GHC.])])[]
454 AlexVersion=$fptools_cv_alex_version;
455 AC_SUBST(AlexVersion)
461 # Sets the output variable LdXFlag to -x if ld supports this flag, otherwise the
462 # variable's value is empty.
463 AC_DEFUN([FP_PROG_LD_X],
465 AC_CACHE_CHECK([whether ld understands -x], [fp_cv_ld_x],
466 [echo 'foo() {}' > conftest.c
467 ${CC-cc} -c conftest.c
468 if ${LdCmd} -r -x -o conftest2.o conftest.o > /dev/null 2>&1; then
474 if test "$fp_cv_ld_x" = yes; then
483 # FP_PROG_LD_BUILD_ID
486 # Sets the output variable LdHasBuildId to YES if ld supports
487 # --build-id, or NO otherwise.
488 AC_DEFUN([FP_PROG_LD_BUILD_ID],
490 AC_CACHE_CHECK([whether ld understands --build-id], [fp_cv_ld_build_id],
491 [echo 'foo() {}' > conftest.c
492 ${CC-cc} -c conftest.c
493 if ${LdCmd} -r --build-id=none -o conftest2.o conftest.o > /dev/null 2>&1; then
494 fp_cv_ld_build_id=yes
499 if test "$fp_cv_ld_build_id" = yes; then
504 AC_SUBST([LdHasBuildId])
505 ])# FP_PROG_LD_BUILD_ID
510 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
512 AC_DEFUN([FP_PROG_LD_IS_GNU],
514 AC_CACHE_CHECK([whether ld is GNU ld], [fp_cv_gnu_ld],
515 [if ${LdCmd} --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
520 AC_SUBST([LdIsGNULd], [`echo $fp_cv_gnu_ld | sed 'y/yesno/YESNO/'`])
521 ])# FP_PROG_LD_IS_GNU
526 # Sets fp_prog_ar_raw to the full path of ar and fp_prog_ar to a non-Cygwin
527 # version of it. Exits if no ar can be found
528 AC_DEFUN([FP_PROG_AR],
529 [AC_PATH_PROG([fp_prog_ar_raw], [ar])
530 if test -z "$fp_prog_ar_raw"; then
531 AC_MSG_ERROR([cannot find ar in your PATH, no idea how to make a library])
533 fp_prog_ar="$fp_prog_ar_raw"
534 case $HostPlatform in
535 *mingw32) if test x${OSTYPE} != xmsys; then
536 fp_prog_ar="`cygpath -w "${fp_prog_ar_raw}" | sed -e 's@\\\\@/@g'`"
537 AC_MSG_NOTICE([normalized ar command to $fp_prog_ar])
546 # Sets fp_prog_ar_is_gnu to yes or no, depending on whether it is GNU ar or not.
547 AC_DEFUN([FP_PROG_AR_IS_GNU],
548 [AC_REQUIRE([FP_PROG_AR])
549 AC_CACHE_CHECK([whether $fp_prog_ar_raw is GNU ar], [fp_cv_prog_ar_is_gnu],
550 [if "$fp_prog_ar_raw" --version 2> /dev/null | grep "GNU" > /dev/null 2>&1; then
551 fp_cv_prog_ar_is_gnu=yes
553 fp_cv_prog_ar_is_gnu=no
555 fp_prog_ar_is_gnu=$fp_cv_prog_ar_is_gnu
556 AC_SUBST([ArIsGNUAr], [`echo $fp_prog_ar_is_gnu | tr 'a-z' 'A-Z'`])
557 ])# FP_PROG_AR_IS_GNU
560 # FP_PROG_AR_SUPPORTS_ATFILE
562 # Sets fp_prog_ar_supports_atfile to yes or no, depending on whether
563 # or not it supports the @file syntax
564 AC_DEFUN([FP_PROG_AR_SUPPORTS_ATFILE],
565 [AC_REQUIRE([FP_PROG_AR])
566 AC_REQUIRE([FP_PROG_AR_ARGS])
567 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports @file], [fp_cv_prog_ar_supports_atfile],
571 echo conftest.file > conftest.atfile
572 echo conftest.file >> conftest.atfile
573 "$fp_prog_ar_raw" $fp_prog_ar_args conftest.a @conftest.atfile > /dev/null 2>&1
574 fp_prog_ar_supports_atfile_tmp=`"$fp_prog_ar_raw" t conftest.a 2> /dev/null | grep -c conftest.file`
576 if test "$fp_prog_ar_supports_atfile_tmp" -eq 2
578 fp_cv_prog_ar_supports_atfile=yes
580 fp_cv_prog_ar_supports_atfile=no
582 fp_prog_ar_supports_atfile=$fp_cv_prog_ar_supports_atfile
583 AC_SUBST([ArSupportsAtFile], [`echo $fp_prog_ar_supports_atfile | tr 'a-z' 'A-Z'`])
584 ])# FP_PROG_AR_SUPPORTS_ATFILE
588 # Sets fp_prog_ar_args to the arguments for ar and the output variable ArCmd
589 # to a non-Cygwin invocation of ar including these arguments.
590 AC_DEFUN([FP_PROG_AR_ARGS],
591 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
592 AC_CACHE_CHECK([for ar arguments], [fp_cv_prog_ar_args],
594 # GNU ar needs special treatment: it appears to have problems with
595 # object files with the same name if you use the 's' modifier, but
596 # simple 'ar q' works fine, and doesn't need a separate ranlib.
597 if test $fp_prog_ar_is_gnu = yes; then
598 fp_cv_prog_ar_args="q"
601 for fp_var in clqsZ clqs cqs clq cq ; do
603 if "$fp_prog_ar_raw" $fp_var conftest.a conftest.dummy > /dev/null 2> /dev/null; then
604 fp_cv_prog_ar_args=$fp_var
609 if test -z "$fp_cv_prog_ar_args"; then
610 AC_MSG_ERROR([cannot figure out how to use your $fp_prog_ar_raw])
613 fp_prog_ar_args=$fp_cv_prog_ar_args
614 AC_SUBST([ArCmd], ["$fp_prog_ar"])
615 AC_SUBST([ArArgs], ["$fp_prog_ar_args"])
620 # FP_PROG_AR_NEEDS_RANLIB
621 # -----------------------
622 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
624 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
625 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
626 AC_REQUIRE([FP_PROG_AR_ARGS])
627 AC_REQUIRE([AC_PROG_CC])
628 AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib],
629 [if test $fp_prog_ar_is_gnu = yes; then
630 fp_cv_prog_ar_needs_ranlib=no
631 elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then
632 # It's quite tedious to check for Apple's crazy timestamps in .a files,
634 fp_cv_prog_ar_needs_ranlib=yes
635 elif echo $fp_prog_ar_args | grep "s" > /dev/null 2> /dev/null; then
636 fp_cv_prog_ar_needs_ranlib=no
638 fp_cv_prog_ar_needs_ranlib=yes
640 if test $fp_cv_prog_ar_needs_ranlib = yes; then
646 ])# FP_PROG_AR_NEEDS_RANLIB
649 # FP_PROG_AR_SUPPORTS_INPUT
650 # -------------------------
651 # Sets the output variable ArSupportsInput to "-input" or "", depending on
652 # whether ar supports -input flag is supported or not.
653 AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
654 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
655 AC_REQUIRE([FP_PROG_AR_ARGS])
656 AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
657 [fp_cv_prog_ar_supports_input=no
658 if test $fp_prog_ar_is_gnu = no; then
661 if FP_EVAL_STDERR(["$fp_prog_ar_raw" $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
662 test -s conftest.err || fp_cv_prog_ar_supports_input=yes
666 if test $fp_cv_prog_ar_supports_input = yes; then
667 ArSupportsInput="-input"
671 AC_SUBST([ArSupportsInput])
672 ])# FP_PROG_AR_SUPPORTS_INPUT
676 dnl AC_SHEBANG_PERL - can we she-bang perl?
678 AC_DEFUN([FPTOOLS_SHEBANG_PERL],
679 [AC_CACHE_CHECK([if your perl works in shell scripts], fptools_cv_shebang_perl,
684 (SHELL=/bin/sh; export SHELL; ./conftest 69 > /dev/null)
685 if test $? -ne 69; then
686 fptools_cv_shebang_perl=yes
688 fptools_cv_shebang_perl=no
696 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
697 # output variables HaveGcc and GccVersion.
698 AC_DEFUN([FP_HAVE_GCC],
699 [AC_REQUIRE([AC_PROG_CC])
700 if test -z "$GCC"; then
705 if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
706 AC_MSG_ERROR([gcc is required])
709 AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
710 [if test "$fp_have_gcc" = "YES"; then
711 fp_cv_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
712 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.0],
713 [AC_MSG_ERROR([Need at least gcc version 3.0 (3.4+ recommended)])])
714 # See #2770: gcc 2.95 doesn't work any more, apparently. There probably
715 # isn't a very good reason for that, but for now just make configure
717 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.4], GccLT34=YES)
719 fp_cv_gcc_version="not-installed"
722 AC_SUBST([HaveGcc], [$fp_have_gcc])
723 AC_SUBST([GccVersion], [$fp_cv_gcc_version])
727 dnl Small feature test for perl version. Assumes PerlCmd
728 dnl contains path to perl binary.
730 dnl (Perl versions prior to v5.6 does not contain the string "v5";
731 dnl instead they display version strings such as "version 5.005".)
733 AC_DEFUN([FPTOOLS_CHECK_PERL_VERSION],
734 [$PerlCmd -v >conftest.out 2>&1
735 if grep "v5" conftest.out >/dev/null 2>&1; then
738 AC_MSG_ERROR([your version of perl probably won't work, try upgrading it.])
744 # FP_CHECK_PROG(VARIABLE, PROG-TO-CHECK-FOR,
745 # [VALUE-IF-NOT-FOUND], [PATH], [REJECT])
746 # -----------------------------------------------------
747 # HACK: A small wrapper around AC_CHECK_PROG, setting VARIABLE to the full path
748 # of PROG-TO-CHECK-FOR when found.
749 AC_DEFUN([FP_CHECK_PROG],
750 [AC_CHECK_PROG([$1], [$2], [$as_dir/$ac_word$ac_exec_ext], [$3], [$4], [$5])][]dnl
756 # Find a non-WinDoze version of the "find" utility.
757 AC_DEFUN([FP_PROG_FIND],
758 [AC_PATH_PROGS([fp_prog_find], [gfind find], find)
759 echo foo > conftest.txt
760 $fp_prog_find conftest.txt -print > conftest.out 2>&1
761 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then
762 # OK, looks like a real "find".
763 case $HostPlatform in
765 if test x${OSTYPE} != xmsys
767 fp_prog_find="`cygpath --mixed ${fp_prog_find}`"
768 AC_MSG_NOTICE([normalized find command to $fp_prog_find])
772 FindCmd="$fp_prog_find"
774 # Found a poor WinDoze version of "find", ignore it.
775 AC_MSG_WARN([$fp_prog_find looks like a non-*nix find, ignoring it])
776 FP_CHECK_PROG([FindCmd], [find], [], [], [$fp_prog_find])
778 rm -f conftest.txt conftest.out
779 AC_SUBST([FindCmd])[]dnl
785 # Find a Unix-like sort
786 AC_DEFUN([FP_PROG_SORT],
787 [AC_PATH_PROG([fp_prog_sort], [sort])
788 echo conwip > conftest.txt
789 $fp_prog_sort -f conftest.txt > conftest.out 2>&1
790 if grep 'conwip' conftest.out > /dev/null 2>&1 ; then
792 SortCmd="$fp_prog_sort"
794 # Summink else..pick next one.
795 AC_MSG_WARN([$fp_prog_sort looks like a non-*nix sort, ignoring it])
796 FP_CHECK_PROG([SortCmd], [sort], [], [], [$fp_prog_sort])
798 rm -f conftest.txt conftest.out
799 AC_SUBST([SortCmd])[]dnl
803 dnl FPTOOLS_NOCACHE_CHECK prints a message, then sets the
804 dnl values of the second argument to the result of running
805 dnl the commands given by the third. It does not cache its
806 dnl result, so it is suitable for checks which should be
809 AC_DEFUN([FPTOOLS_NOCACHE_CHECK],
810 [AC_MSG_CHECKING([$1])
812 AC_MSG_RESULT([$][$2])
816 dnl FPTOOLS_GHC_VERSION(version)
817 dnl FPTOOLS_GHC_VERSION(major, minor [, patchlevel])
818 dnl FPTOOLS_GHC_VERSION(version, major, minor, patchlevel)
820 dnl Test for version of installed ghc. Uses $GHC.
821 dnl [original version pinched from c2hs]
823 AC_DEFUN([FPTOOLS_GHC_VERSION],
824 [FPTOOLS_NOCACHE_CHECK([version of ghc], [fptools_version_of_ghc],
825 ["${WithGhc-ghc}" --version > conftestghc 2>&1
826 cat conftestghc >&AS_MESSAGE_LOG_FD
827 #Useless Use Of cat award...
828 fptools_version_of_ghc=`cat conftestghc | sed -n -e 's/, patchlevel *\([[0-9]]\)/.\1/;s/.* version \([[0-9]][[0-9.]]*\).*/\1/p'`
830 if test "[$]fptools_version_of_ghc" = ""
832 fptools_version_of_ghc='unknown'
834 fptools_version_of_ghc[_major]=`echo [$]fptools_version_of_ghc | sed -e 's/^\([[0-9]]\).*/\1/'`
835 fptools_version_of_ghc[_minor]=`echo [$]fptools_version_of_ghc | sed -e 's/^[[0-9]]\.\([[0-9]]*\).*/\1/'`
836 fptools_version_of_ghc[_pl]=`echo [$]fptools_version_of_ghc | sed -n -e 's/^[[0-9]]\.[[0-9]]*\.\([[0-9]]*\)/\1/p'`
838 if test "[$]fptools_version_of_ghc[_pl]" = ""
840 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor]"
841 fptools_version_of_ghc[_pl]="0"
843 fptools_version_of_ghc[_all]="[$]fptools_version_of_ghc[_major].[$]fptools_version_of_ghc[_minor].[$]fptools_version_of_ghc[_pl]"
847 [$1]="[$]fptools_version_of_ghc[_all]"
849 [$1]="[$]fptools_version_of_ghc[_major]"
850 [$2]="[$]fptools_version_of_ghc[_minor]"
852 [$1]="[$]fptools_version_of_ghc[_major]"
853 [$2]="[$]fptools_version_of_ghc[_minor]"
854 [$3]="[$]fptools_version_of_ghc[_pl]"
856 [$1]="[$]fptools_version_of_ghc[_all]"
857 [$2]="[$]fptools_version_of_ghc[_major]"
858 [$3]="[$]fptools_version_of_ghc[_minor]"
859 [$4]="[$]fptools_version_of_ghc[_pl]"
865 # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
866 # ---------------------------------------------------------------------------------
867 # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the
868 # additional flexibility of specifying the PROLOGUE and BODY.
869 AC_DEFUN([FP_CHECK_FUNC],
870 [AS_VAR_PUSHDEF([fp_func], [fp_cv_func_$1])dnl
871 AC_CACHE_CHECK([for $1], fp_func,
872 [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])],
873 [AS_VAR_SET(fp_func, yes)],
874 [AS_VAR_SET(fp_func, no)])])
875 AS_IF([test AS_VAR_GET(fp_func) = yes],
876 [AC_DEFINE(AS_TR_CPP(HAVE_$1), [1],
877 [Define to 1 if you have the `]$1[' function.]) $4],
879 AS_VAR_POPDEF([fp_func])dnl
885 # Generates a DocBook XML V4.5 document in conftest.xml.
887 # It took a lot of experimentation to find a document that will cause
888 # xsltproc to fail with an error code when the relevant
889 # stylesheets/DTDs are not found. I couldn't make xsltproc fail with
890 # a single-file document, it seems a multi-file document is needed.
893 AC_DEFUN([FP_GEN_DOCBOOK_XML],
894 [rm -f conftest.xml conftest-book.xml
895 cat > conftest.xml << EOF
896 <?xml version="1.0" encoding="iso-8859-1"?>
897 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
898 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [[
899 <!ENTITY conftest-book SYSTEM "conftest-book.xml">
905 cat >conftest-book.xml << EOF
906 <?xml version="1.0" encoding="iso-8859-1"?>
907 <title>A DocBook “Test Document”</title>
908 <chapter id="id-one">
909 <title>A Chapter Title</title>
910 <para>This is a paragraph, referencing <xref linkend="id-two"/>.</para>
912 <chapter id="id-two">
913 <title>Another Chapter Title</title>
914 <para>This is another paragraph, referencing <xref linkend="id-one"/>.</para>
917 ]) # FP_GEN_DOCBOOK_XML
922 # Sets the output variable DblatexCmd to the full path of dblatex,
923 # which we use for building PDF and PS docs.
924 # DblatexCmd is empty if dblatex could not be found.
925 AC_DEFUN([FP_PROG_DBLATEX],
926 [AC_PATH_PROG([DblatexCmd], [dblatex])
927 if test -z "$DblatexCmd"; then
928 AC_MSG_WARN([cannot find dblatex in your PATH, you will not be able to build the PDF and PS documentation])
935 # Sets the output variable XsltprocCmd to the full path of the XSLT processor
936 # xsltproc. XsltprocCmd is empty if xsltproc could not be found.
937 AC_DEFUN([FP_PROG_XSLTPROC],
938 [AC_PATH_PROG([XsltprocCmd], [xsltproc])
939 if test -z "$XsltprocCmd"; then
940 AC_MSG_WARN([cannot find xsltproc in your PATH, you will not be able to build the HTML documentation])
946 # ----------------------------
947 # Check that we can process a DocBook XML document to HTML using xsltproc.
948 AC_DEFUN([FP_DOCBOOK_XSL],
949 [AC_REQUIRE([FP_PROG_XSLTPROC])dnl
950 if test -n "$XsltprocCmd"; then
951 AC_CACHE_CHECK([for DocBook XSL stylesheet], fp_cv_dir_docbook_xsl,
953 fp_cv_dir_docbook_xsl=no
954 if $XsltprocCmd --nonet http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl conftest.xml > /dev/null 2>&1; then
955 fp_cv_dir_docbook_xsl=yes
959 if test x"$fp_cv_dir_docbook_xsl" = xno; then
960 AC_MSG_WARN([cannot find DocBook XSL stylesheets, you will not be able to build the documentation])
965 AC_SUBST([HAVE_DOCBOOK_XSL])
971 # Sets the output variable XmllintCmd to the full path of the XSLT processor
972 # xmllint. XmllintCmd is empty if xmllint could not be found.
973 AC_DEFUN([FP_PROG_XMLLINT],
974 [AC_PATH_PROG([XmllintCmd], [xmllint])
975 if test -z "$XmllintCmd"; then
976 AC_MSG_WARN([cannot find xmllint in your PATH, you will not be able to validate your documentation])
981 # FP_CHECK_DOCBOOK_DTD
982 # --------------------
983 AC_DEFUN([FP_CHECK_DOCBOOK_DTD],
984 [AC_REQUIRE([FP_PROG_XMLLINT])dnl
985 if test -n "$XmllintCmd"; then
986 AC_MSG_CHECKING([for DocBook DTD])
988 if $XmllintCmd --nonet --valid --noout conftest.xml ; then
991 AC_MSG_RESULT([failed])
992 AC_MSG_WARN([cannot find a DTD for DocBook XML V4.5, you will not be able to validate your documentation])
993 AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
997 ])# FP_CHECK_DOCBOOK_DTD
1001 # ------------------
1002 # Generates a formatting objects document in conftest.fo.
1003 AC_DEFUN([FP_GEN_FO],
1005 cat > conftest.fo << EOF
1006 <?xml version="1.0"?>
1007 <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
1008 <fo:layout-master-set>
1009 <fo:simple-page-master master-name="blank">
1011 </fo:simple-page-master>
1012 </fo:layout-master-set>
1013 <fo:page-sequence master-reference="blank">
1014 <fo:flow flow-name="xsl-region-body">
1027 # Set the output variable 'FopCmd' to the first working 'fop' in the current
1028 # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try
1029 # /usr/share/fop/fop.sh in that case (or no 'fop'), too.
1030 AC_DEFUN([FP_PROG_FOP],
1031 [AC_PATH_PROGS([FopCmd1], [fop fop.sh])
1032 if test -n "$FopCmd1"; then
1033 AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability],
1035 if "$FopCmd1" -fo conftest.fo -ps conftest.ps > /dev/null 2>&1; then
1036 fp_cv_fop_usability=yes
1038 fp_cv_fop_usability=no
1041 if test x"$fp_cv_fop_usability" = xyes; then
1045 if test -z "$FopCmd"; then
1046 AC_PATH_PROGS([FopCmd2], [fop.sh], , [/usr/share/fop])
1055 # Sets the output variable HstagsCmd to the full Haskell tags program path.
1056 # HstagsCmd is empty if no such program could be found.
1057 AC_DEFUN([FP_PROG_HSTAGS],
1058 [AC_PATH_PROG([HstagsCmd], [hasktags])
1059 if test -z "$HstagsCmd"; then
1060 AC_MSG_WARN([cannot find hasktags in your PATH, you will not be able to build the tags])
1067 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
1068 # WithGhc. Sets the output variable GhcPkgCmd.
1069 AC_DEFUN([FP_PROG_GHC_PKG],
1070 [AC_CACHE_CHECK([for ghc-pkg matching $WithGhc], fp_cv_matching_ghc_pkg,
1072 # If we are told to use ghc-stage2, then we're using an in-tree
1073 # compiler. In this case, we just want ghc-pkg, not ghc-pkg-stage2,
1074 # so we sed off -stage[0-9]$. However, if we are told to use
1075 # ghc-6.12.1 then we want to use ghc-pkg-6.12.1, so we keep any
1077 fp_ghc_pkg_guess=`echo $WithGhc | sed -e 's/-stage@<:@0-9@:>@$//' -e 's,ghc\(@<:@^/\\@:>@*\)$,ghc-pkg\1,'`
1078 if "$fp_ghc_pkg_guess" list > /dev/null 2>&1; then
1079 fp_cv_matching_ghc_pkg=$fp_ghc_pkg_guess
1081 AC_MSG_ERROR([Cannot find matching ghc-pkg])
1083 GhcPkgCmd=$fp_cv_matching_ghc_pkg
1084 AC_SUBST([GhcPkgCmd])
1088 # FP_GCC_EXTRA_FLAGS
1089 # ------------------
1090 # Determine which extra flags we need to pass gcc when we invoke it
1091 # to compile .hc code.
1093 # -fwrapv is needed for gcc to emit well-behaved code in the presence of
1094 # integer wrap around. (Trac #952)
1096 AC_DEFUN([FP_GCC_EXTRA_FLAGS],
1097 [AC_REQUIRE([FP_HAVE_GCC])
1098 AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
1099 [fp_cv_gcc_extra_opts=
1100 FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
1101 [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
1104 AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
1108 # FP_SETUP_PROJECT_VERSION
1109 # ---------------------
1110 AC_DEFUN([FP_SETUP_PROJECT_VERSION],
1112 if test "$RELEASE" = "NO"; then
1113 AC_MSG_CHECKING([for GHC version date])
1114 if test -f VERSION_DATE; then
1115 PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE`
1116 AC_MSG_RESULT(given $PACKAGE_VERSION)
1117 elif test -d .git; then
1119 ver_date=`git log -n 1 --date=short --pretty=format:%ci | cut -d ' ' -f 1 | tr -d -`
1120 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
1121 changequote([, ])dnl
1122 AC_MSG_ERROR([failed to detect version date: check that git is in your path])
1124 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1125 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1126 elif test -d _darcs; then
1127 # TODO: Remove this branch after conversion to Git
1129 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`
1130 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
1131 changequote([, ])dnl
1132 AC_MSG_ERROR([failed to detect version date: check that darcs is in your path])
1134 PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date
1135 AC_MSG_RESULT(inferred $PACKAGE_VERSION)
1136 elif test -f VERSION; then
1137 PACKAGE_VERSION=`cat VERSION`
1138 AC_MSG_RESULT(given $PACKAGE_VERSION)
1140 AC_MSG_WARN([cannot determine snapshot version: no .git or _darcs directory and no VERSION file])
1145 AC_SUBST([ProjectName], [$PACKAGE_NAME])
1146 AC_SUBST([ProjectVersion], [$PACKAGE_VERSION])
1148 # Split PACKAGE_VERSION into (possibly empty) parts
1149 VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1150 VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1151 VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/`
1152 ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/`
1154 # Calculate project version as an integer, using 2 digits for minor version
1155 case $VERSION_MINOR in
1156 ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;;
1157 ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;;
1158 *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;;
1160 AC_SUBST([ProjectVersionInt])
1162 # The project patchlevel is zero unless stated otherwise
1163 test -z "$ProjectPatchLevel" && ProjectPatchLevel=0
1165 # Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508
1166 ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'`
1168 AC_SUBST([ProjectPatchLevel])
1169 ])# FP_SETUP_PROJECT_VERSION
1172 # Check for a working timer_create(). We need a pretty detailed check
1173 # here, because there exist partially-working implementations of
1174 # timer_create() in certain versions of Linux (see bug #1933).
1176 AC_DEFUN([FP_CHECK_TIMER_CREATE],
1177 [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)],
1178 [fptools_cv_timer_create_works],
1181 #ifdef HAVE_STDLIB_H
1187 #ifdef HAVE_SIGNAL_H
1190 #ifdef HAVE_UNISTD_H
1194 static volatile int tock = 0;
1195 static void handler(int i)
1200 static void timeout(int i)
1202 // timer_settime() has been known to hang, so just in case
1203 // we install a 1-second timeout (see #2257)
1207 int main(int argc, char *argv[])
1212 struct itimerspec it;
1213 struct sigaction action;
1216 ev.sigev_notify = SIGEV_SIGNAL;
1217 ev.sigev_signo = SIGVTALRM;
1219 action.sa_handler = handler;
1220 action.sa_flags = 0;
1221 sigemptyset(&action.sa_mask);
1222 if (sigaction(SIGVTALRM, &action, NULL) == -1) {
1223 fprintf(stderr,"SIGVTALRM problem\n");
1227 action.sa_handler = timeout;
1228 action.sa_flags = 0;
1229 sigemptyset(&action.sa_mask);
1230 if (sigaction(SIGALRM, &action, NULL) == -1) {
1231 fprintf(stderr,"SIGALRM problem\n");
1236 if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) {
1237 fprintf(stderr,"No CLOCK_PROCESS_CPUTIME_ID timer\n");
1241 it.it_value.tv_sec = 0;
1242 it.it_value.tv_nsec = 1;
1243 it.it_interval = it.it_value;
1244 if (timer_settime(timer, 0, &it, NULL) != 0) {
1245 fprintf(stderr,"settime problem\n");
1251 for(n = 3; n < 20000; n++){
1252 for(m = 2; m <= n/2; m++){
1253 if (!(n%m)) count++;
1260 fprintf(stderr,"no CLOCK_PROCESS_CPUTIME_ID signal\n");
1264 timer_delete(timer);
1266 if (timer_create(CLOCK_REALTIME, &ev, &timer) != 0) {
1267 fprintf(stderr,"No CLOCK_REALTIME timer\n");
1271 it.it_value.tv_sec = 0;
1272 it.it_value.tv_nsec = 1000000;
1273 it.it_interval = it.it_value;
1274 if (timer_settime(timer, 0, &it, NULL) != 0) {
1275 fprintf(stderr,"settime problem\n");
1284 fprintf(stderr,"no CLOCK_REALTIME signal\n");
1288 timer_delete(timer);
1293 [fptools_cv_timer_create_works=yes],
1294 [fptools_cv_timer_create_works=no])
1296 case $fptools_cv_timer_create_works in
1297 yes) AC_DEFINE([USE_TIMER_CREATE], 1,
1298 [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);;
1304 AC_DEFUN([FP_ICONV],
1306 dnl--------------------------------------------------------------------
1307 dnl * Deal with arguments telling us iconv is somewhere odd
1308 dnl--------------------------------------------------------------------
1310 dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
1311 dnl to the empty string to allow them to be overridden from the
1314 AC_ARG_WITH([iconv-includes],
1315 [AC_HELP_STRING([--with-iconv-includes],
1316 [directory containing iconv.h])],
1317 [ICONV_INCLUDE_DIRS=$withval])
1319 AC_ARG_WITH([iconv-libraries],
1320 [AC_HELP_STRING([--with-iconv-libraries],
1321 [directory containing iconv library])],
1322 [ICONV_LIB_DIRS=$withval])
1324 AC_SUBST(ICONV_INCLUDE_DIRS)
1325 AC_SUBST(ICONV_LIB_DIRS)
1332 dnl--------------------------------------------------------------------
1333 dnl * Deal with arguments telling us gmp is somewhere odd
1334 dnl--------------------------------------------------------------------
1336 AC_ARG_WITH([gmp-includes],
1337 [AC_HELP_STRING([--with-gmp-includes],
1338 [directory containing gmp.h])],
1339 [GMP_INCLUDE_DIRS=$withval])
1341 AC_ARG_WITH([gmp-libraries],
1342 [AC_HELP_STRING([--with-gmp-libraries],
1343 [directory containing gmp library])],
1344 [GMP_LIB_DIRS=$withval])
1346 AC_SUBST(GMP_INCLUDE_DIRS)
1347 AC_SUBST(GMP_LIB_DIRS)
1350 # FP_CHECK_MACOSX_DEPLOYMENT_TARGET
1351 # ---------------------------------
1352 AC_DEFUN([FP_CHECK_MACOSX_DEPLOYMENT_TARGET],
1354 if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple"; then
1355 AC_MSG_CHECKING([Mac OS X deployment target])
1356 case $FP_MACOSX_DEPLOYMENT_TARGET in
1358 10.4) MACOSX_DEPLOYMENT_VERSION=10.4
1359 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1361 10.4u) MACOSX_DEPLOYMENT_VERSION=10.4
1362 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX10.4u.sdk
1364 *) MACOSX_DEPLOYMENT_VERSION=$FP_MACOSX_DEPLOYMENT_TARGET
1365 MACOSX_DEPLOYMENT_SDK=/Developer/SDKs/MacOSX${FP_MACOSX_DEPLOYMENT_TARGET}.sdk
1368 if test "x$FP_MACOSX_DEPLOYMENT_TARGET" = "xnone"; then
1371 if test ! -d $MACOSX_DEPLOYMENT_SDK; then
1372 AC_MSG_ERROR([Unknown deployment target $FP_MACOSX_DEPLOYMENT_TARGET])
1374 AC_MSG_RESULT([${MACOSX_DEPLOYMENT_VERSION} (${MACOSX_DEPLOYMENT_SDK})])
1379 # --------------------------------------------------------------
1380 # Calculate absolute path to build tree
1381 # --------------------------------------------------------------
1383 AC_DEFUN([FP_INTREE_GHC_PWD],[
1384 AC_MSG_NOTICE(Building in-tree ghc-pwd)
1386 dnl make -C utils/ghc-pwd clean && make -C utils/ghc-pwd
1387 dnl except we don't want to have to know what make is called. Sigh.
1388 rm -rf utils/ghc-pwd/dist-boot
1389 mkdir utils/ghc-pwd/dist-boot
1390 if ! "$WithGhc" -v0 -no-user-package-conf -hidir utils/ghc-pwd/dist-boot -odir utils/ghc-pwd/dist-boot -stubdir utils/ghc-pwd/dist-boot --make utils/ghc-pwd/Main.hs -o utils/ghc-pwd/dist-boot/ghc-pwd
1392 AC_MSG_ERROR([Building ghc-pwd failed])
1395 GHC_PWD=utils/ghc-pwd/dist-boot/ghc-pwd
1398 AC_DEFUN([FP_BINDIST_GHC_PWD],[
1399 GHC_PWD=utils/ghc-pwd/dist/build/tmp/ghc-pwd
1402 AC_DEFUN([FP_FIND_ROOT],[
1403 AC_MSG_CHECKING(for path to top of build tree)
1406 dnl Remove common automounter nonsense
1407 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
1409 if ! test -d "$hardtop"; then
1410 AC_MSG_ERROR([cannot determine current directory])
1413 dnl We don't support building in directories with spaces.
1417 The build system does not support building in a directory
1418 containing space characters.
1419 Suggestion: move the build tree somewhere else.])
1425 AC_MSG_RESULT($hardtop)
1428 # GHC_CONVERT_CPU(cpu, target_var)
1429 # --------------------------------
1430 # converts cpu from gnu to ghc naming, and assigns the result to $target_var
1431 AC_DEFUN([GHC_CONVERT_CPU],[
1445 i386|i486|i586|i686)
1488 echo "Unknown CPU $1"
1494 # GHC_CONVERT_VENDOR(vendor, target_var)
1495 # --------------------------------
1496 # converts vendor from gnu to ghc naming, and assigns the result to $target_var
1497 AC_DEFUN([GHC_CONVERT_VENDOR],[
1499 pc|gentoo) # like i686-pc-linux-gnu and i686-gentoo-freebsd8
1503 #pass thru by default
1509 # GHC_CONVERT_OS(os, target_var)
1510 # --------------------------------
1511 # converts os from gnu to ghc naming, and assigns the result to $target_var
1512 AC_DEFUN([GHC_CONVERT_OS],[
1517 # As far as I'm aware, none of these have relevant variants
1518 freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
1521 freebsd8) # like i686-gentoo-freebsd8
1525 echo "Unknown OS $1"
1531 # LIBRARY_VERSION(lib)
1532 # --------------------------------
1533 # Gets the version number of a library.
1534 # If $1 is ghc-prim, then we define LIBRARY_ghc_prim_VERSION as 1.2.3
1535 AC_DEFUN([LIBRARY_VERSION],[
1536 LIBRARY_[]translit([$1], [-], [_])[]_VERSION=`grep -i "^version:" libraries/$1/$1.cabal | sed "s/.* //"`
1537 AC_SUBST(LIBRARY_[]translit([$1], [-], [_])[]_VERSION)