X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=aclocal.m4;h=f2762b30b862d69b0230cfb3196970f4ca19e5c9;hp=858a3f0a6cc2fa6c458cfd205904ef27a5d2e56d;hb=2eb04ca0f8d0ec72b417cddc60672c696b4a3daa;hpb=2909e6fb2223bd303e00b34d3a04466474c53f03 diff --git a/aclocal.m4 b/aclocal.m4 index 858a3f0..f2762b3 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -4,6 +4,33 @@ # ensure we don't clash with any pre-supplied autoconf ones. +# FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN +# ---------------------------------- +# Little endian Arm on Linux with some ABIs has big endian word order +# in doubles. Define FLOAT_WORDS_BIGENDIAN if this is the case. +AC_DEFUN([FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN], + [AC_CACHE_CHECK([whether float word order is big endian], [fptools_cv_float_word_order_bigendian], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [#include ], + [#if defined(__FLOAT_WORD_ORDER) && __FLOAT_WORD_ORDER == BIG_ENDIAN + return 0; + #else + not float word order big endian + #endif] + )], + [fptools_cv_float_word_order_bigendian=yes], + [fptools_cv_float_word_order_bigendian=no]) + ]) + case $fptools_cv_float_word_order_bigendian in + yes) + AC_DEFINE([FLOAT_WORDS_BIGENDIAN], 1, + [Define to 1 if your processor stores words of floats with + the most significant byte first]) ;; + esac +]) + + # FP_EVAL_STDERR(COMMAND) # ----------------------- # Eval COMMAND, save its stderr (without lines resulting from shell tracing) @@ -75,27 +102,6 @@ AC_SUBST(ContextDiffCmd, [$fp_cv_context_diff]) ])# FP_PROG_CONTEXT_DIFF -# FP_DECL_ALTZONE -# --------------- -# Defines HAVE_DECL_ALTZONE to 1 if declared, 0 otherwise. -# -# Used by base package. -AC_DEFUN([FP_DECL_ALTZONE], -[AC_REQUIRE([AC_HEADER_TIME])dnl -AC_CHECK_HEADERS([sys/time.h]) -AC_CHECK_DECLS([altzone], [], [],[#if TIME_WITH_SYS_TIME -# include -# include -#else -# if HAVE_SYS_TIME_H -# include -# else -# include -# endif -#endif]) -])# FP_DECL_ALTZONE - - # FP_COMPUTE_INT(EXPRESSION, VARIABLE, INCLUDES, IF-FAILS) # -------------------------------------------------------- # Assign VARIABLE the value of the compile-time EXPRESSION using INCLUDES for @@ -162,6 +168,10 @@ case $HostPlatform in alpha-dec-osf*) fptools_cv_leading_underscore=no;; *cygwin32) fptools_cv_leading_underscore=yes;; *mingw32) fptools_cv_leading_underscore=yes;; + + # HACK: Apple doesn't seem to provide nlist in the 64-bit-libraries +x86_64-apple-darwin*) fptools_cv_leading_underscore=yes;; + *) AC_RUN_IFELSE([AC_LANG_SOURCE([[#ifdef HAVE_NLIST_H #include struct nlist xYzzY1[] = {{"xYzzY1", 0},{0}}; @@ -245,26 +255,10 @@ dnl at least Happy version 1.14. If there's no installed Happy, we look dnl for a happy source tree and point the build system at that instead. dnl AC_DEFUN([FPTOOLS_HAPPY], -[ -if test -d $srcdir/happy; then - SrcTreeHappyCmd=$hardtop/happy/src/happy-inplace -else - SrcTreeHappyCmd="" -fi -if test x"$UseSrcTreeHappy" = xYES; then - if test x"$SrcTreeHappyCmd" != x; then - HappyCmd=$SrcTreeHappyCmd - else - AC_MSG_ERROR([--enable-src-tree-happy given, but happy not found in source tree]) - fi -else - AC_PATH_PROG(HappyCmd,happy,$SrcTreeHappyCmd) -fi +[AC_PATH_PROG(HappyCmd,happy,) AC_CACHE_CHECK([for version of happy], fptools_cv_happy_version, changequote(, )dnl -[if test x"$HappyCmd" = x"$SrcTreeHappyCmd" -a -e $srcdir/happy/mk/version.mk; then - fptools_cv_happy_version=`grep '^ProjectVersion[ ]*=' $srcdir/happy/mk/version.mk | sed 's/[^0-9]*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`; -elif test x"$HappyCmd" != x; then +[if test x"$HappyCmd" != x; then fptools_cv_happy_version="`$HappyCmd -v | grep 'Happy Version' | sed -e 's/Happy Version \([^ ]*\).*/\1/g'`" ; else @@ -272,9 +266,10 @@ else fi; changequote([, ])dnl ]) -if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Parser.hs; then - FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.15], - [AC_MSG_ERROR([Happy version 1.15 or later is required to compile GHC.])])[]dnl +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 +then + FP_COMPARE_VERSIONS([$fptools_cv_happy_version],[-lt],[1.15], + [AC_MSG_ERROR([Happy version 1.15 or later is required to compile GHC.])])[]dnl fi HappyVersion=$fptools_cv_happy_version; AC_SUBST(HappyVersion) @@ -285,21 +280,7 @@ dnl Check for Haddock and version. If there's no installed Haddock, we look dnl for a haddock source tree and point the build system at that instead. dnl AC_DEFUN([FPTOOLS_HADDOCK], -[ -if test -d $srcdir/haddock; then - SrcTreeHaddockCmd=$hardtop/haddock/src/haddock-inplace -else - SrcTreeHaddockCmd="" -fi -if test x"$UseSrcTreeHaddock" = xYES; then - if test x"$SrcTreeHaddockCmd" != x; then - HaddockCmd=$SrcTreeHaddockCmd - else - AC_MSG_ERROR([--enable-src-tree-haddock given, but haddock not found in source tree]) - fi -else - AC_PATH_PROG(HaddockCmd,haddock,$SrcTreeHaddockCmd) -fi +[AC_PATH_PROG(HaddockCmd,haddock,) dnl Darn, I forgot to make Haddock print out its version number when dnl invoked with -v. We could try generating some HTML and grepping dnl through that to find the version number, but I think we'll make @@ -308,30 +289,14 @@ dnl do without it for now. dnl dnl Check for Alex and version. If we're building GHC, then we need -dnl at least Alex version 2.0. If there's no installed Alex, we look -dnl for a alex source tree and point the build system at that instead. +dnl at least Alex version 2.0.1. dnl AC_DEFUN([FPTOOLS_ALEX], [ -if test -d $srcdir/alex; then - SrcTreeAlexCmd=$hardtop/alex/src/alex-inplace -else - SrcTreeAlexCmd="" -fi -if test x"$UseSrcTreeAlex" = xYES; then - if test x"$SrcTreeAlexCmd" != x; then - AlexCmd=$SrcTreeAlexCmd - else - AC_MSG_ERROR([--enable-src-tree-alex given, but alex not found in source tree]) - fi -else - AC_PATH_PROG(AlexCmd,alex,$SrcTreeAlexCmd) -fi +AC_PATH_PROG(AlexCmd,alex,) AC_CACHE_CHECK([for version of alex], fptools_cv_alex_version, changequote(, )dnl -[if test x"$AlexCmd" = x"$SrcTreeAlexCmd"; then - fptools_cv_alex_version=`grep '^ProjectVersion[ ]*=' $srcdir/alex/mk/version.mk | sed 's/[^0-9]*\([0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`; -elif test x"$AlexCmd" != x; then +[if test x"$AlexCmd" != x; then fptools_cv_alex_version="`$AlexCmd -v | grep 'Alex [Vv]ersion' | sed -e 's/Alex [Vv]ersion \([0-9\.]*\).*/\1/g'`" ; else @@ -339,9 +304,10 @@ else fi; changequote([, ])dnl ]) -if test -d $srcdir/ghc -a ! -f $srcdir/ghc/compiler/parser/Lexer.hs; then - FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.0], - [AC_MSG_ERROR([Alex version 2.0 or later is required to compile GHC.])])[]dnl +if test ! -f compiler/cmm/CmmLex.hs || test ! -f compiler/parser/Lexer.hs +then + FP_COMPARE_VERSIONS([$fptools_cv_alex_version],[-lt],[2.0.1], + [AC_MSG_ERROR([Alex version 2.0.1 or later is required to compile GHC.])])[]dnl fi AlexVersion=$fptools_cv_alex_version; AC_SUBST(AlexVersion) @@ -353,24 +319,30 @@ AC_SUBST(AlexVersion) # Sets the output variable LdCmd to the (non-Cygwin version of the) full path # of ld. Exits if no ld can be found AC_DEFUN([FP_PROG_LD], -[AC_PATH_PROG([fp_prog_ld_raw], [ld]) -if test -z "$fp_prog_ld_raw"; then - AC_MSG_ERROR([cannot find ld in your PATH, no idea how to link]) +[ +if test -z "$1" +then + AC_PATH_PROG([fp_prog_ld_raw], [ld]) + if test -z "$fp_prog_ld_raw"; then + AC_MSG_ERROR([cannot find ld in your PATH, no idea how to link]) + fi + LdCmd=$fp_prog_ld_raw + case $HostPlatform in + *mingw32) if test x${OSTYPE} != xmsys; then + LdCmd="`cygpath -w ${fp_prog_ld_raw} | sed -e 's@\\\\@/@g'`" + AC_MSG_NOTICE([normalized ld command to $LdCmd]) + fi + # Insist on >= ld-2.15.x, since earlier versions doesn't handle + # the generation of relocatable object files with large amounts + # of relocations correctly. (cf. HSbase.o splittage-hack) + fp_prog_ld_version=`${LdCmd} --version | sed -n '/GNU ld/p' | tr -cd 0-9 | cut -b1-3` + FP_COMPARE_VERSIONS([$fp_prog_ld_version],[-lt],[214], + [AC_MSG_ERROR([GNU ld version later than 2.14 required to compile GHC on Windows.])])[]dnl + ;; + esac +else + LdCmd="$1" fi -LdCmd=$fp_prog_ld_raw -case $HostPlatform in - *mingw32) if test x${OSTYPE} != xmsys; then - LdCmd="`cygpath -w ${fp_prog_ld_raw} | sed -e 's@\\\\@/@g'`" - AC_MSG_NOTICE([normalized ld command to $LdCmd]) - fi - # Insist on >= ld-2.15.x, since earlier versions doesn't handle - # the generation of relocatable object files with large amounts - # of relocations correctly. (cf. HSbase.o splittage-hack) - fp_prog_ld_version=`${LdCmd} --version | sed -n '/GNU ld/p' | tr -cd 0-9 | cut -b1-3` - FP_COMPARE_VERSIONS([$fp_prog_ld_version],[-lt],[214], - [AC_MSG_ERROR([GNU ld version later than 2.14 required to compile GHC on Windows.])])[]dnl - ;; -esac AC_SUBST([LdCmd]) ])# FP_PROG_LD @@ -494,7 +466,7 @@ AC_REQUIRE([AC_PROG_CC]) AC_CACHE_CHECK([whether ranlib is needed], [fp_cv_prog_ar_needs_ranlib], [if test $fp_prog_ar_is_gnu = yes; then fp_cv_prog_ar_needs_ranlib=no -elif test $TargetPlatform = powerpc-apple-darwin; then +elif echo $TargetPlatform | grep "^.*-apple-darwin$" > /dev/null 2> /dev/null; then # It's quite tedious to check for Apple's crazy timestamps in .a files, # so we hardcode it. fp_cv_prog_ar_needs_ranlib=yes @@ -639,6 +611,15 @@ echo foo > conftest.txt $fp_prog_find conftest.txt -print > conftest.out 2>&1 if grep '^conftest.txt$' conftest.out > /dev/null 2>&1 ; then # OK, looks like a real "find". + case $HostPlatform in + *mingw32) + if test x${OSTYPE} != xmsys + then + fp_prog_find="`cygpath --mixed ${fp_prog_find}`" + AC_MSG_NOTICE([normalized find command to $fp_prog_find]) + fi ;; + *) ;; + esac FindCmd="$fp_prog_find" else # Found a poor WinDoze version of "find", ignore it. @@ -732,116 +713,6 @@ ifelse($#, [1], [dnl ])dnl -dnl ** Map an arithmetic C type to a Haskell type. -dnl Based on autconf's AC_CHECK_SIZEOF. - -dnl FPTOOLS_CHECK_HTYPE(TYPE [, DEFAULT_VALUE, [, VALUE-FOR-CROSS-COMPILATION]) -AC_DEFUN([FPTOOLS_CHECK_HTYPE], -[changequote(<<, >>)dnl -dnl The name to #define. -define(<>, translit(htype_$1, [a-z *], [A-Z_P]))dnl -dnl The cache variable name. -define(<>, translit(fptools_cv_htype_$1, [ *], [_p]))dnl -define(<>, translit(fptools_cv_htype_sup_$1, [ *], [_p]))dnl -changequote([, ])dnl -AC_MSG_CHECKING(Haskell type for $1) -AC_CACHE_VAL(AC_CV_NAME, -[AC_CV_NAME_supported=yes -fp_check_htype_save_cppflags="$CPPFLAGS" -CPPFLAGS="$CPPFLAGS $X_CFLAGS" -AC_RUN_IFELSE([AC_LANG_SOURCE([[#include -#include - -#if HAVE_SYS_TYPES_H -# include -#endif - -#if HAVE_UNISTD_H -# include -#endif - -#if HAVE_SYS_STAT_H -# include -#endif - -#if HAVE_FCNTL_H -# include -#endif - -#if HAVE_SIGNAL_H -# include -#endif - -#if HAVE_TIME_H -# include -#endif - -#if HAVE_TERMIOS_H -# include -#endif - -#if HAVE_STRING_H -# include -#endif - -#if HAVE_CTYPE_H -# include -#endif - -#if defined(HAVE_GL_GL_H) -# include -#elif defined(HAVE_OPENGL_GL_H) -# include -#endif - -#if defined(HAVE_AL_AL_H) -# include -#elif defined(HAVE_OPENAL_AL_H) -# include -#endif - -#if defined(HAVE_AL_ALC_H) -# include -#elif defined(HAVE_OPENAL_ALC_H) -# include -#endif - -#if HAVE_SYS_RESOURCE_H -# include -#endif - -typedef $1 testing; - -main() { - FILE *f=fopen("conftestval", "w"); - if (!f) exit(1); - if (((testing)((int)((testing)1.4))) == ((testing)1.4)) { - fprintf(f, "%s%d\n", - ((testing)(-1) < (testing)0) ? "Int" : "Word", - sizeof(testing)*8); - } else { - fprintf(f,"%s\n", - (sizeof(testing) > sizeof(double)) ? "LDouble" : - (sizeof(testing) == sizeof(double)) ? "Double" : "Float"); - } - fclose(f); - exit(0); -}]])],[AC_CV_NAME=`cat conftestval`], -[ifelse([$2], , [AC_CV_NAME=NotReallyAType; AC_CV_NAME_supported=no], [AC_CV_NAME=$2])], -[ifelse([$3], , [AC_CV_NAME=NotReallyATypeCross; AC_CV_NAME_supported=no], [AC_CV_NAME=$3])]) -CPPFLAGS="$fp_check_htype_save_cppflags"]) dnl -if test "$AC_CV_NAME_supported" = yes; then - AC_MSG_RESULT($AC_CV_NAME) - AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [Define to Haskell type for $1]) -else - AC_MSG_RESULT([not supported]) -fi -undefine([AC_TYPE_NAME])dnl -undefine([AC_CV_NAME])dnl -undefine([AC_CV_NAME_supported])dnl -]) - - # FP_CHECK_FUNC(FUNCTION, PROLOGUE, BODY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) # --------------------------------------------------------------------------------- # A variant of AC_CHECK_FUNCS, limited to a single FUNCTION, but with the @@ -987,7 +858,7 @@ EOF # 'PATH'. Note that /usr/bin/fop is broken in SuSE 9.1 (unpatched), so try # /usr/share/fop/fop.sh in that case (or no 'fop'), too. AC_DEFUN([FP_PROG_FOP], -[AC_PATH_PROGS([FopCmd1], [fop]) +[AC_PATH_PROGS([FopCmd1], [fop fop.sh]) if test -n "$FopCmd1"; then AC_CACHE_CHECK([for $FopCmd1 usability], [fp_cv_fop_usability], [FP_GEN_FO @@ -1055,4 +926,239 @@ else GhcPkgCmd=$fp_cv_matching_ghc_pkg fi])# FP_PROG_GHC_PKG + +# FP_GHC_HAS_READLINE +# ------------------- +AC_DEFUN([FP_GHC_HAS_READLINE], +[AC_REQUIRE([FP_PROG_GHC_PKG]) +AC_CACHE_CHECK([whether ghc has readline package], [fp_cv_ghc_has_readline], +[if "${GhcPkgCmd-ghc-pkg}" --show-package readline >/dev/null 2>&1; then + fp_cv_ghc_has_readline=yes +else + fp_cv_ghc_has_readline=no + fi]) +AC_SUBST([GhcHasReadline], [`echo $fp_cv_ghc_has_readline | sed 'y/yesno/YESNO/'`]) +])# FP_GHC_HAS_READLINE + + +# FP_GCC_NEEDS_NO_OMIT_LFPTR +# -------------------------- +# Some OSs (Mandrake Linux, in particular) configure GCC with +# -momit-leaf-frame-pointer on by default. If this is the case, we need to turn +# it off for mangling to work. The test is currently a bit crude, using only the +# version number of gcc. Defines HAVE_GCC_MNO_OMIT_LFPTR. +AC_DEFUN([FP_GCC_NEEDS_NO_OMIT_LFPTR], +[AC_REQUIRE([FP_HAVE_GCC]) +AC_CACHE_CHECK([whether gcc needs -mno-omit-leaf-frame-pointer], [fp_cv_gcc_needs_no_omit_lfptr], +[FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.2], + [fp_cv_gcc_needs_no_omit_lfptr=yes], + [fp_cv_gcc_needs_no_omit_lfptr=no])]) +if test "$fp_cv_gcc_needs_no_omit_lfptr" = "yes"; then + AC_DEFINE([HAVE_GCC_MNO_OMIT_LFPTR], [1], [Define to 1 if gcc supports -mno-omit-leaf-frame-pointer.]) +fi])# FP_GCC_NEEDS_NO_OMIT_LFPTR + +# FP_GCC_HAS_NO_UNIT_AT_A_TIME +# -------------------------- +AC_DEFUN([FP_GCC_HAS_NO_UNIT_AT_A_TIME], +[AC_REQUIRE([FP_HAVE_GCC]) +AC_CACHE_CHECK([whether gcc has -fno-unit-at-a-time], [fp_cv_gcc_has_no_unit_at_a_time], +[FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4], + [fp_cv_gcc_has_no_unit_at_a_time=yes], + [fp_cv_gcc_has_no_unit_at_a_time=no])]) +if test "$fp_cv_gcc_has_no_unit_at_a_time" = "yes"; then + AC_DEFINE([HAVE_GCC_HAS_NO_UNIT_AT_A_TIME], [1], [Define to 1 if gcc supports -fno-unit-at-a-time.]) +fi]) + +# FP_GCC_HAS_WRAPV +# -------------------------- +AC_DEFUN([FP_GCC_HAS_WRAPV], +[AC_REQUIRE([FP_HAVE_GCC]) +AC_CACHE_CHECK([whether gcc has -fwrapv], [fp_cv_gcc_has_wrapv], +[FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4], + [fp_cv_gcc_has_wrapv=yes], + [fp_cv_gcc_has_wrapv=no])]) +if test "$fp_cv_gcc_has_wrapv" = "yes"; then + AC_DEFINE([HAVE_GCC_HAS_WRAPV], [1], [Define to 1 if gcc supports -fwrapv.]) +fi]) + +# FP_SETUP_PROJECT_VERSION +# --------------------- +AC_DEFUN([FP_SETUP_PROJECT_VERSION], +[ +if test "$RELEASE" = "NO"; then + AC_MSG_CHECKING([for GHC version date]) + if test -f VERSION_DATE; then + PACKAGE_VERSION=${PACKAGE_VERSION}.`cat VERSION_DATE` + AC_MSG_RESULT(given $PACKAGE_VERSION) + elif test -d _darcs; then + changequote(, )dnl + 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` + 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 + changequote([, ])dnl + AC_MSG_ERROR([failed to detect version date: check that darcs is in your path]) + fi + PACKAGE_VERSION=${PACKAGE_VERSION}.$ver_date + AC_MSG_RESULT(inferred $PACKAGE_VERSION) + elif test -f VERSION; then + PACKAGE_VERSION=`cat VERSION` + AC_MSG_RESULT(given $PACKAGE_VERSION) + else + AC_MSG_WARN([cannot determine snapshot version: no _darcs directory and no VERSION file]) + fi +fi + +# Some renamings +AC_SUBST([ProjectName], [$PACKAGE_NAME]) +AC_SUBST([ProjectVersion], [$PACKAGE_VERSION]) + +# Split PACKAGE_VERSION into (possibly empty) parts +VERSION_MAJOR=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/` +VERSION_TMP=`echo $PACKAGE_VERSION | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/` +VERSION_MINOR=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\1'/` +ProjectPatchLevel=`echo $VERSION_TMP | sed 's/^\(@<:@^.@:>@*\)\(\.\{0,1\}\(.*\)\)$/\3'/` + +# Calculate project version as an integer, using 2 digits for minor version +case $VERSION_MINOR in + ?) ProjectVersionInt=${VERSION_MAJOR}0${VERSION_MINOR} ;; + ??) ProjectVersionInt=${VERSION_MAJOR}${VERSION_MINOR} ;; + *) AC_MSG_ERROR([bad minor version in $PACKAGE_VERSION]) ;; +esac +AC_SUBST([ProjectVersionInt]) + +# The project patchlevel is zero unless stated otherwise +test -z "$ProjectPatchLevel" && ProjectPatchLevel=0 + +# Remove dots from the patch level; this allows us to have versions like 6.4.1.20050508 +ProjectPatchLevel=`echo $ProjectPatchLevel | sed 's/\.//'` + +AC_SUBST([ProjectPatchLevel]) +])# FP_SETUP_PROJECT_VERSION + +AC_DEFUN([FP_CHECK_TIMER_CREATE], + [AC_CACHE_CHECK([for a working timer_create(CLOCK_REALTIME)], + [fptools_cv_timer_create_works], + [AC_TRY_RUN([ +#ifdef HAVE_TIME_H +#include +#endif +#ifdef HAVE_SIGNAL_H +#include +#endif +#ifdef HAVE_UNISTD_H +#include +#endif +int main(int argc, char *argv[]) +{ +#if HAVE_TIMER_CREATE && HAVE_TIMER_SETTIME + struct sigevent ev; + timer_t timer; + ev.sigev_notify = SIGEV_SIGNAL; + ev.sigev_signo = SIGVTALRM; + if (timer_create(CLOCK_PROCESS_CPUTIME_ID, &ev, &timer) != 0) { + exit(1); + } +#else + exit(1) +#endif + exit(0); +} + ], + [fptools_cv_timer_create_works=yes], + [fptools_cv_timer_create_works=no]) + ]) +case $fptools_cv_timer_create_works in + yes) AC_DEFINE([USE_TIMER_CREATE], 1, + [Define to 1 if we can use timer_create(CLOCK_PROCESS_CPUTIME_ID,...)]);; +esac +]) + +# FP_ARG_GMP +# ------------- +AC_DEFUN([FP_ARG_GMP], +[ +AC_ARG_WITH([gmp-includes], + [AC_HELP_STRING([--with-gmp-includes], + [directory containing gmp.h])], + [gmp_includes=$withval], + [gmp_includes=NONE]) + +AC_ARG_WITH([gmp-libraries], + [AC_HELP_STRING([--with-gmp-libraries], + [directory containing gmp library])], + [gmp_libraries=$withval], + [gmp_libraries=NONE]) +])# FP_ARG_GMP + +AC_DEFUN([CHECK_GMP], +[AC_REQUIRE([AC_PROG_CPP]) +AC_REQUIRE([AC_PROG_CC]) +]) + +# -------------------------------------------------------------- +# Calculate absolute path to build tree +# -------------------------------------------------------------- + +AC_DEFUN([FP_FIND_ROOT],[ +AC_MSG_CHECKING(for path to top of build tree) + +hardtop=`pwd` + +dnl Remove common automounter nonsense +dnl +hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' ` + +dnl Find 'hardtop_plat', the native format for 'hardtop' +dnl (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes +dnl being escaped). +dnl +dnl Note OSTYPE: On Cygwin we need to use 'cygpath' to convert +dnl /cygdrive/c/foo to c:/foo but we must not do that if we +dnl aren't building using Cygwin (notably msys), because +dnl cygpath doesn't exist. It seems that 'bash' sets +dnl OSTYPE to 'cygwin' or 'msys' respectively, but cygwin's +dnl 'sh' does not. So we hackily assume that if the shell +dnl hasn't set it to 'msys' then we must be in Cygwin. +dnl Sigh. +dnl +dnl The Right Thing is probably to test $BuildPlatform +dnl instead, but we are sloppy about setting that correctly +dnl at the moment, so we just work around for now. +dnl +dnl The quotes round "$(OSTYPE)" are essential, for the +dnl Cygwin-sh case where OSTYPE is not set. +case $HostPlatform in + i386-unknown-mingw32 | i386-unknown-cygwin32) + if test "${OSTYPE}" != "msys" + then + # convert $hardtop to a path that mingw will understand too + cyghardtop=${hardtop} + hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'` + hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'` + else +dnl OK, so we're in the MSYS case. hardtop looks like /c/.... +dnl We want to make hardtop_plat into c:/... +dnl Stop using [] for quotes temporarily, so we can use [] in the sed regexp +changequote(, )dnl + hardtop_plat=`echo ${hardtop} | sed -e 's@^/\\([a-zA-Z]\\)/@\\1:/@g'` +changequote([, ])dnl + fi + ;; + *) + hardtop_plat=${hardtop} + ;; +esac +AC_SUBST(hardtop) +AC_SUBST(hardtop_plat) + +AC_MSG_RESULT(${hardtop}) + +# We don't support building in directories with spaces. +case "$hardtop" in + *' '*) AC_MSG_ERROR([ + The build system does not support building in a directory containing + space characters. Suggestion: move the build tree somewhere else.]) + ;; +esac +]) + # LocalWords: fi