+
+# 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 $fp_cv_ghc_has_readline | sed 'y/yesno/YESNO/'`])
+])# FP_GHC_HAS_READLINE
+
+
+# FP_GCC_EXTRA_FLAGS
+# ------------------
+# Determine which extra flags we need to pass gcc when we invoke it
+# to compile .hc code.
+#
+# Some OSs (Mandrake Linux, in particular) configure GCC with
+# -momit-leaf-frame-pointer on by default. If this is the case, we
+# need to turn it off for mangling to work. The test is currently a
+# bit crude, using only the version number of gcc.
+#
+# -fwrapv is needed for gcc to emit well-behaved code in the presence of
+# integer wrap around. (Trac #952)
+#
+# -fno-unit-at-a-time or -fno-toplevel-reoder is necessary to avoid gcc
+# reordering things in the module and confusing the manger and/or splitter.
+# (eg. Trac #1427)
+#
+AC_DEFUN([FP_GCC_EXTRA_FLAGS],
+[AC_REQUIRE([FP_HAVE_GCC])
+AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
+[fp_cv_gcc_extra_opts=
+ FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
+ [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
+ [])
+ case $TargetPlatform in
+ i386-*|x86_64-*)
+ FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.2],
+ [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -mno-omit-leaf-frame-pointer"],
+ [])
+ FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [3.4],
+ [FP_COMPARE_VERSIONS([$fp_gcc_version], [-ge], [4.2],
+ [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
+ [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-unit-at-a-time"]
+ )],
+ [])
+ ;;
+ esac
+])
+AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
+])
+
+
+# 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 <time.h>
+#endif
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#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)
+
+dnl This would be
+dnl make -C utils/pwd clean && make -C utils/pwd
+dnl except we don't want to have to know what make is called. Sigh.
+if test ! -f utils/pwd/pwd && test ! -f utils/pwd/pwd.exe; then
+ cd utils/pwd
+ rm -f *.o
+ rm -f *.hi
+ rm -f pwd
+ rm -f pwd.exe
+ $WithGhc -v0 --make pwd -o pwd
+ cd ../..
+fi
+
+hardtop=`utils/pwd/pwd forwardslash`
+
+if ! test -d "$hardtop"; then
+ AC_MSG_ERROR([cannot determine current directory])
+fi
+
+dnl Remove common automounter nonsense
+dnl
+hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
+
+AC_SUBST(hardtop)
+
+AC_MSG_RESULT(${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
+])
+
projects / ghc-hetmet.git / blobdiff