--enable-fully-dynamic-string
do not put empty strings in per-process static
memory [default=no]
- --enable-clock-gettime=KIND
+ --enable-libstdcxx-time=KIND
use KIND for check type [default=no]
--enable-tls Use thread-local storage [default=yes]
--disable-rpath do not hardcode runtime library paths
-# For clock_gettime support.
+# For clock_gettime, nanosleep and sched_yield support.
# NB: The default is [no], because otherwise it requires linking.
- echo "$as_me:$LINENO: checking for clock_gettime clocks" >&5
-echo $ECHO_N "checking for clock_gettime clocks... $ECHO_C" >&6
- # Check whether --enable-clock-gettime or --disable-clock-gettime was given.
-if test "${enable_clock_gettime+set}" = set; then
- enableval="$enable_clock_gettime"
+ echo "$as_me:$LINENO: checking for clock_gettime, nanosleep and sched_yield" >&5
+echo $ECHO_N "checking for clock_gettime, nanosleep and sched_yield... $ECHO_C" >&6
+ # Check whether --enable-libstdcxx-time or --disable-libstdcxx-time was given.
+if test "${enable_libstdcxx_time+set}" = set; then
+ enableval="$enable_libstdcxx_time"
case "$enableval" in
yes|no|rt) ;;
- *) { { echo "$as_me:$LINENO: error: Unknown argument to enable/disable clock-gettime" >&5
-echo "$as_me: error: Unknown argument to enable/disable clock-gettime" >&2;}
+ *) { { echo "$as_me:$LINENO: error: Unknown argument to enable/disable libstdcxx-time" >&5
+echo "$as_me: error: Unknown argument to enable/disable libstdcxx-time" >&2;}
{ (exit 1); exit 1; }; } ;;
esac
else
- enable_clock_gettime=no
+ enable_libstdcxx_time=no
fi;
ac_has_clock_monotonic=no;
ac_has_clock_realtime=no;
- if test x"$enable_clock_gettime" != x"no"; then
+ if test x"$enable_libstdcxx_time" != x"no"; then
- if test x"$enable_clock_gettime" = x"rt"; then
+ if test x"$enable_libstdcxx_time" = x"rt"; then
echo "$as_me:$LINENO: checking for library containing clock_gettime" >&5
echo $ECHO_N "checking for library containing clock_gettime... $ECHO_C" >&6
if test "${ac_cv_search_clock_gettime+set}" = set; then
fi
- else
- echo "$as_me:$LINENO: checking for library containing clock_gettime" >&5
-echo $ECHO_N "checking for library containing clock_gettime... $ECHO_C" >&6
-if test "${ac_cv_search_clock_gettime+set}" = set; then
+ echo "$as_me:$LINENO: checking for library containing nanosleep" >&5
+echo $ECHO_N "checking for library containing nanosleep... $ECHO_C" >&6
+if test "${ac_cv_search_nanosleep+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
ac_func_search_save_LIBS=$LIBS
-ac_cv_search_clock_gettime=no
+ac_cv_search_nanosleep=no
if test x$gcc_no_link = xyes; then
{ { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
#endif
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
-char clock_gettime ();
+char nanosleep ();
int
main ()
{
-clock_gettime ();
+nanosleep ();
;
return 0;
}
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
- ac_cv_search_clock_gettime="none required"
+ ac_cv_search_nanosleep="none required"
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
fi
rm -f conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_clock_gettime" = no; then
- for ac_lib in posix4; do
+if test "$ac_cv_search_nanosleep" = no; then
+ for ac_lib in rt posix4; do
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
if test x$gcc_no_link = xyes; then
{ { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
#endif
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
-char clock_gettime ();
+char nanosleep ();
int
main ()
{
-clock_gettime ();
+nanosleep ();
;
return 0;
}
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
- ac_cv_search_clock_gettime="-l$ac_lib"
+ ac_cv_search_nanosleep="-l$ac_lib"
break
else
echo "$as_me: failed program was:" >&5
fi
LIBS=$ac_func_search_save_LIBS
fi
-echo "$as_me:$LINENO: result: $ac_cv_search_clock_gettime" >&5
-echo "${ECHO_T}$ac_cv_search_clock_gettime" >&6
-if test "$ac_cv_search_clock_gettime" != no; then
- test "$ac_cv_search_clock_gettime" = "none required" || LIBS="$ac_cv_search_clock_gettime $LIBS"
+echo "$as_me:$LINENO: result: $ac_cv_search_nanosleep" >&5
+echo "${ECHO_T}$ac_cv_search_nanosleep" >&6
+if test "$ac_cv_search_nanosleep" != no; then
+ test "$ac_cv_search_nanosleep" = "none required" || LIBS="$ac_cv_search_nanosleep $LIBS"
fi
- fi
-
- case "$ac_cv_search_clock_gettime" in
- -l*) GLIBCXX_LIBS=$ac_cv_search_clock_gettime
- esac
-
-
-for ac_header in unistd.h
-do
-as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
- echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ else
+ echo "$as_me:$LINENO: checking for library containing clock_gettime" >&5
+echo $ECHO_N "checking for library containing clock_gettime... $ECHO_C" >&6
+if test "${ac_cv_search_clock_gettime+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
-fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
else
- # Is the header compilable?
-echo "$as_me:$LINENO: checking $ac_header usability" >&5
-echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+ ac_func_search_save_LIBS=$LIBS
+ac_cv_search_clock_gettime=no
+if test x$gcc_no_link = xyes; then
+ { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+ { (exit 1); exit 1; }; }
+fi
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
-$ac_includes_default
-#include <$ac_header>
+
+/* Override any gcc2 internal prototype to avoid an error. */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char clock_gettime ();
+int
+main ()
+{
+clock_gettime ();
+ ;
+ return 0;
+}
_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
- (eval $ac_compile) 2>conftest.er1
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } &&
- { ac_try='test -s conftest.$ac_objext'
+ { ac_try='test -s conftest$ac_exeext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
- ac_header_compiler=yes
+ ac_cv_search_clock_gettime="none required"
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
-ac_header_compiler=no
fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-echo "${ECHO_T}$ac_header_compiler" >&6
-
-# Is the header present?
-echo "$as_me:$LINENO: checking $ac_header presence" >&5
-echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+if test "$ac_cv_search_clock_gettime" = no; then
+ for ac_lib in posix4; do
+ LIBS="-l$ac_lib $ac_func_search_save_LIBS"
+ if test x$gcc_no_link = xyes; then
+ { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+ { (exit 1); exit 1; }; }
+fi
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
-#include <$ac_header>
+
+/* Override any gcc2 internal prototype to avoid an error. */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char clock_gettime ();
+int
+main ()
+{
+clock_gettime ();
+ ;
+ return 0;
+}
_ACEOF
-if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
- (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
- (exit $ac_status); } >/dev/null; then
- if test -s conftest.err; then
- ac_cpp_err=$ac_cxx_preproc_warn_flag
- ac_cpp_err=$ac_cpp_err$ac_cxx_werror_flag
- else
- ac_cpp_err=
- fi
-else
- ac_cpp_err=yes
-fi
-if test -z "$ac_cpp_err"; then
- ac_header_preproc=yes
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_cxx_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_search_clock_gettime="-l$ac_lib"
+break
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
- ac_header_preproc=no
-fi
-rm -f conftest.err conftest.$ac_ext
-echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-echo "${ECHO_T}$ac_header_preproc" >&6
-
-# So? What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in
- yes:no: )
- { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
- { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
- ac_header_preproc=yes
- ;;
- no:yes:* )
- { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
- { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
-echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
- { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
- { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
-echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
- { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
- { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
- (
- cat <<\_ASBOX
-## ----------------------------------------- ##
-## Report this to the package-unused lists. ##
-## ----------------------------------------- ##
-_ASBOX
- ) |
- sed "s/^/$as_me: WARNING: /" >&2
- ;;
-esac
-echo "$as_me:$LINENO: checking for $ac_header" >&5
-echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
-if eval "test \"\${$as_ac_Header+set}\" = set"; then
- echo $ECHO_N "(cached) $ECHO_C" >&6
-else
- eval "$as_ac_Header=\$ac_header_preproc"
fi
-echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
-echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ done
fi
-if test `eval echo '${'$as_ac_Header'}'` = yes; then
- cat >>confdefs.h <<_ACEOF
-#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
- ac_has_unistd_h=yes
-else
- ac_has_unistd_h=no
+LIBS=$ac_func_search_save_LIBS
fi
+echo "$as_me:$LINENO: result: $ac_cv_search_clock_gettime" >&5
+echo "${ECHO_T}$ac_cv_search_clock_gettime" >&6
+if test "$ac_cv_search_clock_gettime" != no; then
+ test "$ac_cv_search_clock_gettime" = "none required" || LIBS="$ac_cv_search_clock_gettime $LIBS"
-done
-
+fi
- if test x"$ac_has_unistd_h" = x"yes"; then
- echo "$as_me:$LINENO: checking for monotonic clock" >&5
-echo $ECHO_N "checking for monotonic clock... $ECHO_C" >&6
- if test x$gcc_no_link = xyes; then
+ echo "$as_me:$LINENO: checking for library containing nanosleep" >&5
+echo $ECHO_N "checking for library containing nanosleep... $ECHO_C" >&6
+if test "${ac_cv_search_nanosleep+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_func_search_save_LIBS=$LIBS
+ac_cv_search_nanosleep=no
+if test x$gcc_no_link = xyes; then
{ { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
{ (exit 1); exit 1; }; }
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
-#include <unistd.h>
- #include <time.h>
+/* Override any gcc2 internal prototype to avoid an error. */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char nanosleep ();
int
main ()
{
-#if _POSIX_TIMERS > 0 && defined(_POSIX_MONOTONIC_CLOCK)
- timespec tp;
- #endif
- clock_gettime(CLOCK_MONOTONIC, &tp);
-
+nanosleep ();
;
return 0;
}
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
- ac_has_clock_monotonic=yes
+ ac_cv_search_nanosleep="none required"
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
-ac_has_clock_monotonic=no
fi
rm -f conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
-
- echo "$as_me:$LINENO: result: $ac_has_clock_monotonic" >&5
-echo "${ECHO_T}$ac_has_clock_monotonic" >&6
-
- echo "$as_me:$LINENO: checking for realtime clock" >&5
-echo $ECHO_N "checking for realtime clock... $ECHO_C" >&6
- if test x$gcc_no_link = xyes; then
+if test "$ac_cv_search_nanosleep" = no; then
+ for ac_lib in posix4; do
+ LIBS="-l$ac_lib $ac_func_search_save_LIBS"
+ if test x$gcc_no_link = xyes; then
{ { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
{ (exit 1); exit 1; }; }
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
-#include <unistd.h>
- #include <time.h>
+/* Override any gcc2 internal prototype to avoid an error. */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char nanosleep ();
int
main ()
{
-#if _POSIX_TIMERS > 0
- timespec tp;
- #endif
- clock_gettime(CLOCK_REALTIME, &tp);
-
+nanosleep ();
;
return 0;
}
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
- ac_has_clock_realtime=yes
+ ac_cv_search_nanosleep="-l$ac_lib"
+break
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
-ac_has_clock_realtime=no
fi
rm -f conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
+ done
+fi
+LIBS=$ac_func_search_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_search_nanosleep" >&5
+echo "${ECHO_T}$ac_cv_search_nanosleep" >&6
+if test "$ac_cv_search_nanosleep" != no; then
+ test "$ac_cv_search_nanosleep" = "none required" || LIBS="$ac_cv_search_nanosleep $LIBS"
- echo "$as_me:$LINENO: result: $ac_has_clock_realtime" >&5
-echo "${ECHO_T}$ac_has_clock_realtime" >&6
- fi
+fi
- fi
+ fi
- if test x"$ac_has_clock_monotonic" = x"yes"; then
+ case "$ac_cv_search_clock_gettime" in
+ -l*) GLIBCXX_LIBS=$ac_cv_search_clock_gettime
+ ;;
+ esac
+ case "$ac_cv_search_nanosleep" in
+ -l*) GLIBCXX_LIBS="$GLIBCXX_LIBS $ac_cv_search_nanosleep"
+ ;;
+ esac
-cat >>confdefs.h <<\_ACEOF
-#define _GLIBCXX_USE_CLOCK_MONOTONIC 1
+ echo "$as_me:$LINENO: checking for library containing sched_yield" >&5
+echo $ECHO_N "checking for library containing sched_yield... $ECHO_C" >&6
+if test "${ac_cv_search_sched_yield+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_func_search_save_LIBS=$LIBS
+ac_cv_search_sched_yield=no
+if test x$gcc_no_link = xyes; then
+ { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
- fi
-
- if test x"$ac_has_clock_realtime" = x"yes"; then
-
-cat >>confdefs.h <<\_ACEOF
-#define _GLIBCXX_USE_CLOCK_REALTIME 1
+/* Override any gcc2 internal prototype to avoid an error. */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char sched_yield ();
+int
+main ()
+{
+sched_yield ();
+ ;
+ return 0;
+}
_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_cxx_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_search_sched_yield="none required"
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
- fi
-
-
-
- CXXFLAGS="$ac_save_CXXFLAGS"
- LIBS="$ac_save_LIBS"
- ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-
-# For gthread support
-
-
-
- ac_ext=cc
-ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-
-
- ac_save_CXXFLAGS="$CXXFLAGS"
- CXXFLAGS="$CXXFLAGS -fno-exceptions -I${toplevel_srcdir}/gcc"
-
- target_thread_file=`$CXX -v 2>&1 | sed -n 's/^Thread model: //p'`
- case $target_thread_file in
- posix)
- CXXFLAGS="$CXXFLAGS -DSUPPORTS_WEAK -DGTHREAD_USE_WEAK -D_PTHREADS"
- esac
-
- echo "$as_me:$LINENO: checking for gthreads library" >&5
-echo $ECHO_N "checking for gthreads library... $ECHO_C" >&6
-
- cat >conftest.$ac_ext <<_ACEOF
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+if test "$ac_cv_search_sched_yield" = no; then
+ for ac_lib in rt posix4; do
+ LIBS="-l$ac_lib $ac_func_search_save_LIBS"
+ if test x$gcc_no_link = xyes; then
+ { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
-#include "gthr.h"
+
+/* Override any gcc2 internal prototype to avoid an error. */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char sched_yield ();
int
main ()
{
-
- #ifndef __GTHREADS_CXX0X
- #error
- #endif
-
- // In case of POSIX threads check _POSIX_TIMEOUTS too.
- #if (defined(_PTHREADS) \
- && (!defined(_POSIX_TIMEOUTS) || _POSIX_TIMEOUTS <= 0))
- #error
- #endif
-
+sched_yield ();
;
return 0;
}
_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
- (eval $ac_compile) 2>conftest.er1
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } &&
- { ac_try='test -s conftest.$ac_objext'
+ { ac_try='test -s conftest$ac_exeext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
- ac_has_gthreads=yes
+ ac_cv_search_sched_yield="-l$ac_lib"
+break
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
-ac_has_gthreads=no
fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ done
+fi
+LIBS=$ac_func_search_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_search_sched_yield" >&5
+echo "${ECHO_T}$ac_cv_search_sched_yield" >&6
+if test "$ac_cv_search_sched_yield" != no; then
+ test "$ac_cv_search_sched_yield" = "none required" || LIBS="$ac_cv_search_sched_yield $LIBS"
- echo "$as_me:$LINENO: result: $ac_has_gthreads" >&5
-echo "${ECHO_T}$ac_has_gthreads" >&6
+fi
- if test x"$ac_has_gthreads" = x"yes"; then
+
+ case "$ac_cv_search_sched_yield" in
+ -lposix4*)
+ GLIBCXX_LIBS="$GLIBCXX_LIBS $ac_cv_search_sched_yield"
cat >>confdefs.h <<\_ACEOF
-#define _GLIBCXX_HAS_GTHREADS 1
+#define _GLIBCXX_USE_SCHED_YIELD 1
_ACEOF
- fi
-
- CXXFLAGS="$ac_save_CXXFLAGS"
- ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
-
-
-# For nanosleep support
-
-
- echo "$as_me:$LINENO: checking for nanosleep" >&5
-echo $ECHO_N "checking for nanosleep... $ECHO_C" >&6
+ ;;
+ -lrt*)
+ if test x"$enable_libstdcxx_time" = x"rt"; then
+ GLIBCXX_LIBS="$GLIBCXX_LIBS $ac_cv_search_sched_yield"
+cat >>confdefs.h <<\_ACEOF
+#define _GLIBCXX_USE_SCHED_YIELD 1
+_ACEOF
+ fi
+ ;;
+ *)
- ac_ext=cc
-ac_cpp='$CXXCPP $CPPFLAGS'
-ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+cat >>confdefs.h <<\_ACEOF
+#define _GLIBCXX_USE_SCHED_YIELD 1
+_ACEOF
- ac_save_CXXFLAGS="$CXXFLAGS"
- CXXFLAGS="$CXXFLAGS -fno-exceptions"
+ ;;
+ esac
- ac_has_nanosleep=no;
-for ac_header in time.h
+for ac_header in unistd.h
do
as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
if eval "test \"\${$as_ac_Header+set}\" = set"; then
cat >>confdefs.h <<_ACEOF
#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
_ACEOF
- ac_has_time_h=yes
+ ac_has_unistd_h=yes
else
- ac_has_time_h=no
+ ac_has_unistd_h=no
fi
done
- if test x"$ac_has_time_h" = x"yes"; then
- echo "$as_me:$LINENO: checking for nanosleep" >&5
+
+ if test x"$ac_has_unistd_h" = x"yes"; then
+ echo "$as_me:$LINENO: checking for monotonic clock" >&5
+echo $ECHO_N "checking for monotonic clock... $ECHO_C" >&6
+ if test x$gcc_no_link = xyes; then
+ { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <unistd.h>
+ #include <time.h>
+
+int
+main ()
+{
+#if _POSIX_TIMERS > 0 && defined(_POSIX_MONOTONIC_CLOCK)
+ timespec tp;
+ #endif
+ clock_gettime(CLOCK_MONOTONIC, &tp);
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_cxx_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_has_clock_monotonic=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_has_clock_monotonic=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+
+ echo "$as_me:$LINENO: result: $ac_has_clock_monotonic" >&5
+echo "${ECHO_T}$ac_has_clock_monotonic" >&6
+
+ echo "$as_me:$LINENO: checking for realtime clock" >&5
+echo $ECHO_N "checking for realtime clock... $ECHO_C" >&6
+ if test x$gcc_no_link = xyes; then
+ { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <unistd.h>
+ #include <time.h>
+
+int
+main ()
+{
+#if _POSIX_TIMERS > 0
+ timespec tp;
+ #endif
+ clock_gettime(CLOCK_REALTIME, &tp);
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_cxx_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_has_clock_realtime=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_has_clock_realtime=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+
+ echo "$as_me:$LINENO: result: $ac_has_clock_realtime" >&5
+echo "${ECHO_T}$ac_has_clock_realtime" >&6
+
+ echo "$as_me:$LINENO: checking for nanosleep" >&5
echo $ECHO_N "checking for nanosleep... $ECHO_C" >&6
- cat >conftest.$ac_ext <<_ACEOF
+ if test x$gcc_no_link = xyes; then
+ { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
-#include <time.h>
+#include <unistd.h>
+ #include <time.h>
+
int
main ()
{
-timespec ts; nanosleep(&ts, 0);
+#if _POSIX_TIMERS > 0
+ timespec tp;
+ #endif
+ nanosleep(&tp, 0);
+
;
return 0;
}
_ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
- (eval $ac_compile) 2>conftest.er1
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } &&
- { ac_try='test -s conftest.$ac_objext'
+ { ac_try='test -s conftest$ac_exeext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
ac_has_nanosleep=no
fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
- echo "$as_me:$LINENO: result: $ac_has_nanosleep" >&5
+ echo "$as_me:$LINENO: result: $ac_has_nanosleep" >&5
echo "${ECHO_T}$ac_has_nanosleep" >&6
+ fi
+ fi
+
+ if test x"$ac_has_clock_monotonic" = x"yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define _GLIBCXX_USE_CLOCK_MONOTONIC 1
+_ACEOF
+
+ fi
+
+ if test x"$ac_has_clock_realtime" = x"yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define _GLIBCXX_USE_CLOCK_REALTIME 1
+_ACEOF
+
fi
if test x"$ac_has_nanosleep" = x"yes"; then
fi
+
+
+ CXXFLAGS="$ac_save_CXXFLAGS"
+ LIBS="$ac_save_LIBS"
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+# For gthread support
+
+
+
+ ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+
+ ac_save_CXXFLAGS="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAGS -fno-exceptions -I${toplevel_srcdir}/gcc"
+
+ target_thread_file=`$CXX -v 2>&1 | sed -n 's/^Thread model: //p'`
+ case $target_thread_file in
+ posix)
+ CXXFLAGS="$CXXFLAGS -DSUPPORTS_WEAK -DGTHREAD_USE_WEAK -D_PTHREADS"
+ esac
+
+ echo "$as_me:$LINENO: checking for gthreads library" >&5
+echo $ECHO_N "checking for gthreads library... $ECHO_C" >&6
+
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include "gthr.h"
+int
+main ()
+{
+
+ #ifndef __GTHREADS_CXX0X
+ #error
+ #endif
+
+ // In case of POSIX threads check _POSIX_TIMEOUTS too.
+ #if (defined(_PTHREADS) \
+ && (!defined(_POSIX_TIMEOUTS) || _POSIX_TIMEOUTS <= 0))
+ #error
+ #endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_cxx_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_has_gthreads=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_has_gthreads=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+
+ echo "$as_me:$LINENO: result: $ac_has_gthreads" >&5
+echo "${ECHO_T}$ac_has_gthreads" >&6
+
+ if test x"$ac_has_gthreads" = x"yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define _GLIBCXX_HAS_GTHREADS 1
+_ACEOF
+
+ fi
+
CXXFLAGS="$ac_save_CXXFLAGS"
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
projects / thirdparty / gcc.git / commitdiff
