#define LANGSPEC (1<<1)
/* This bit is set if they did `-lm' or `-lmath'. */
#define MATHLIB (1<<2)
-/* This bit is set if they did `-lrt' or equivalent. */
-#define TIMELIB (1<<3)
/* This bit is set if they did `-lc'. */
-#define WITHLIBC (1<<4)
+#define WITHLIBC (1<<3)
/* Skip this option. */
-#define SKIPOPT (1<<5)
+#define SKIPOPT (1<<4)
#ifndef MATH_LIBRARY
#define MATH_LIBRARY "m"
#define MATH_LIBRARY_PROFILE MATH_LIBRARY
#endif
-#ifndef TIME_LIBRARY
-#define TIME_LIBRARY ""
-#endif
-
#ifndef LIBSTDCXX
#define LIBSTDCXX "stdc++"
#endif
const struct cl_decoded_option *saw_libc = NULL;
/* An array used to flag each argument that needs a bit set for
- LANGSPEC, MATHLIB, TIMELIB, or WITHLIBC. */
+ LANGSPEC, MATHLIB, or WITHLIBC. */
int *args;
/* By default, we throw on the math library if we have one. */
int need_math = (MATH_LIBRARY[0] != '\0');
- /* By default, we throw on the time library if we have one. */
- int need_time = (TIME_LIBRARY[0] != '\0');
-
/* True if we saw -static. */
int static_link = 0;
args[i] |= MATHLIB;
need_math = 0;
}
- else if (strcmp (arg, TIME_LIBRARY) == 0)
- {
- args[i] |= TIMELIB;
- need_time = 0;
- }
else if (strcmp (arg, "c") == 0)
args[i] |= WITHLIBC;
else
saw_math = &decoded_options[i];
}
- if (!saw_time && (args[i] & TIMELIB) && library > 0)
- {
- --j;
- saw_time = &decoded_options[i];
- }
-
if (!saw_libc && (args[i] & WITHLIBC) && library > 0)
{
--j;
}
if (saw_time)
new_decoded_options[j++] = *saw_time;
- else if (library > 0 && need_time)
- {
- generate_option (OPT_l, TIME_LIBRARY, 1, CL_DRIVER,
- &new_decoded_options[j]);
- added_libraries++;
- j++;
- }
if (saw_libc)
new_decoded_options[j++] = *saw_libc;
if (shared_libgcc && !static_link)
dnl --enable-libstdcxx-time
dnl --enable-libstdcxx-time=yes
dnl checks for the availability of monotonic and realtime clocks,
-dnl nanosleep and sched_yield in libc and libposix4 and, if needed,
-dnl links in the latter.
+dnl nanosleep and sched_yield in libc.
dnl --enable-libstdcxx-time=rt
dnl also searches (and, if needed, links) librt. Note that this is
dnl not always desirable because, in glibc 2.16 and earlier, for
ac_has_nanosleep=yes
;;
solaris*)
- GLIBCXX_LIBS="$GLIBCXX_LIBS -lrt"
ac_has_clock_monotonic=yes
ac_has_clock_realtime=yes
ac_has_nanosleep=yes
elif test x"$enable_libstdcxx_time" != x"no"; then
if test x"$enable_libstdcxx_time" = x"rt"; then
- AC_SEARCH_LIBS(clock_gettime, [rt posix4])
- AC_SEARCH_LIBS(nanosleep, [rt posix4])
+ AC_SEARCH_LIBS(clock_gettime, [rt])
+ AC_SEARCH_LIBS(nanosleep, [rt])
else
- AC_SEARCH_LIBS(clock_gettime, [posix4])
- AC_SEARCH_LIBS(nanosleep, [posix4])
+ AC_CHECK_FUNC(clock_gettime)
+ AC_CHECK_FUNC(nanosleep)
fi
case "$ac_cv_search_clock_gettime" in
;;
esac
- AC_SEARCH_LIBS(sched_yield, [rt posix4])
+ AC_SEARCH_LIBS(sched_yield, [rt])
case "$ac_cv_search_sched_yield" in
- -lposix4*)
- GLIBCXX_LIBS="$GLIBCXX_LIBS $ac_cv_search_sched_yield"
- ac_has_sched_yield=yes
- ;;
-lrt*)
if test x"$enable_libstdcxx_time" = x"rt"; then
GLIBCXX_LIBS="$GLIBCXX_LIBS $ac_cv_search_sched_yield"
} # ac_fn_c_compute_int
+# ac_fn_cxx_check_func LINENO FUNC VAR
+# ------------------------------------
+# Tests whether FUNC exists, setting the cache variable VAR accordingly
+ac_fn_cxx_check_func ()
+{
+ as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test x$gcc_no_link = xyes; then
+ as_fn_error $? "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
+fi
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+ For example, HP-UX 11i <limits.h> declares gettimeofday. */
+#define $2 innocuous_$2
+
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char $2 (); below.
+ Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ <limits.h> exists even on freestanding compilers. */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $2
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $2 ();
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined __stub_$2 || defined __stub___$2
+choke me
+#endif
+
+int
+main ()
+{
+return $2 ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"; then :
+ eval "$3=yes"
+else
+ eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_cxx_check_func
+
# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
# -------------------------------------------
# Tests whether TYPE exists after having included INCLUDES, setting cache
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 12067 "configure"
+#line 12137 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 12173 "configure"
+#line 12243 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
# Fake what AC_TRY_COMPILE does.
cat > conftest.$ac_ext << EOF
-#line 15865 "configure"
+#line 15935 "configure"
int main()
{
typedef bool atomic_type;
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15900 "configure"
+#line 15970 "configure"
int main()
{
typedef short atomic_type;
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15935 "configure"
+#line 16005 "configure"
int main()
{
// NB: _Atomic_word not necessarily int.
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 15971 "configure"
+#line 16041 "configure"
int main()
{
typedef long long atomic_type;
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
-#line 16124 "configure"
+#line 16194 "configure"
int main()
{
_Decimal32 d1;
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
-#line 16166 "configure"
+#line 16236 "configure"
template<typename T1, typename T2>
struct same
{ typedef T2 type; };
rm -f conftest*
cat > conftest.$ac_ext << EOF
-#line 16200 "configure"
+#line 16270 "configure"
template<typename T1, typename T2>
struct same
{ typedef T2 type; };
ac_has_nanosleep=yes
;;
solaris*)
- GLIBCXX_LIBS="$GLIBCXX_LIBS -lrt"
ac_has_clock_monotonic=yes
ac_has_clock_realtime=yes
ac_has_nanosleep=yes
return 0;
}
_ACEOF
-for ac_lib in '' rt posix4; do
+for ac_lib in '' rt; do
if test -z "$ac_lib"; then
ac_res="none required"
else
return 0;
}
_ACEOF
-for ac_lib in '' rt posix4; do
+for ac_lib in '' rt; do
if test -z "$ac_lib"; then
ac_res="none required"
else
fi
else
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing clock_gettime" >&5
-$as_echo_n "checking for library containing clock_gettime... " >&6; }
-if ${ac_cv_search_clock_gettime+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_func_search_save_LIBS=$LIBS
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ ac_fn_cxx_check_func "$LINENO" "clock_gettime" "ac_cv_func_clock_gettime"
+if test "x$ac_cv_func_clock_gettime" = xyes; then :
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char clock_gettime ();
-int
-main ()
-{
-return clock_gettime ();
- ;
- return 0;
-}
-_ACEOF
-for ac_lib in '' posix4; do
- if test -z "$ac_lib"; then
- ac_res="none required"
- else
- ac_res=-l$ac_lib
- LIBS="-l$ac_lib $ac_func_search_save_LIBS"
- fi
- if test x$gcc_no_link = xyes; then
- as_fn_error $? "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
-fi
-if ac_fn_cxx_try_link "$LINENO"; then :
- ac_cv_search_clock_gettime=$ac_res
fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext
- if ${ac_cv_search_clock_gettime+:} false; then :
- break
-fi
-done
-if ${ac_cv_search_clock_gettime+:} false; then :
-else
- ac_cv_search_clock_gettime=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_clock_gettime" >&5
-$as_echo "$ac_cv_search_clock_gettime" >&6; }
-ac_res=$ac_cv_search_clock_gettime
-if test "$ac_res" != no; then :
- test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
-
-fi
-
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing nanosleep" >&5
-$as_echo_n "checking for library containing nanosleep... " >&6; }
-if ${ac_cv_search_nanosleep+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- ac_func_search_save_LIBS=$LIBS
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char nanosleep ();
-int
-main ()
-{
-return nanosleep ();
- ;
- return 0;
-}
-_ACEOF
-for ac_lib in '' posix4; do
- if test -z "$ac_lib"; then
- ac_res="none required"
- else
- ac_res=-l$ac_lib
- LIBS="-l$ac_lib $ac_func_search_save_LIBS"
- fi
- if test x$gcc_no_link = xyes; then
- as_fn_error $? "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
-fi
-if ac_fn_cxx_try_link "$LINENO"; then :
- ac_cv_search_nanosleep=$ac_res
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext
- if ${ac_cv_search_nanosleep+:} false; then :
- break
-fi
-done
-if ${ac_cv_search_nanosleep+:} false; then :
-
-else
- ac_cv_search_nanosleep=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_nanosleep" >&5
-$as_echo "$ac_cv_search_nanosleep" >&6; }
-ac_res=$ac_cv_search_nanosleep
-if test "$ac_res" != no; then :
- test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+ ac_fn_cxx_check_func "$LINENO" "nanosleep" "ac_cv_func_nanosleep"
+if test "x$ac_cv_func_nanosleep" = xyes; then :
fi
return 0;
}
_ACEOF
-for ac_lib in '' rt posix4; do
+for ac_lib in '' rt; do
if test -z "$ac_lib"; then
ac_res="none required"
else
case "$ac_cv_search_sched_yield" in
- -lposix4*)
- GLIBCXX_LIBS="$GLIBCXX_LIBS $ac_cv_search_sched_yield"
- ac_has_sched_yield=yes
- ;;
-lrt*)
if test x"$enable_libstdcxx_time" = x"rt"; then
GLIBCXX_LIBS="$GLIBCXX_LIBS $ac_cv_search_sched_yield"
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