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libstdc++: Test setrlimit with c++ in configure

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* acinclude.m4 (GLIBCXX_CHECK_SETRLIMIT): Test with AC_LANG_CPLUSPLUS.
	* configure: Regenerate.

From-SVN: r279644
This commit is contained in:
Jerome Lambourg 2019-12-20 15:30:41 +00:00 committed by Jerome Lambourg
parent 33bd8e5e22
commit 84de780d46
3 changed files with 28 additions and 7 deletions
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5
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,8 @@
2019-12-20 Jerome Lambourg <lambourg@adacore.com>
* acinclude.m4 (GLIBCXX_CHECK_SETRLIMIT): Test with AC_LANG_CPLUSPLUS.
* configure: Regenerate.
2019-12-20 François Dumont <fdumont@gcc.gnu.org>
* testsuite/23_containers/map/48101_neg.cc: Add versioned namespace

3
libstdc++-v3/acinclude.m4
View File

@ -316,6 +316,8 @@ AC_DEFUN([GLIBCXX_CHECK_SETRLIMIT_ancilliary], [
])
AC_DEFUN([GLIBCXX_CHECK_SETRLIMIT], [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
setrlimit_have_headers=yes
AC_CHECK_HEADERS(unistd.h sys/time.h sys/resource.h,
[],
@ -352,6 +354,7 @@ AC_DEFUN([GLIBCXX_CHECK_SETRLIMIT], [
else
ac_res_limits=no
fi
AC_LANG_RESTORE
AC_MSG_RESULT($ac_res_limits)
])

27
libstdc++-v3/configure vendored
View File

@ -74233,11 +74233,18 @@ $as_echo "$ac_cv_x86_rdseed" >&6; }
# Do checks for resource limit functions.
ac_ext=cpp
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
setrlimit_have_headers=yes
for ac_header in unistd.h sys/time.h sys/resource.h
do :
as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
ac_fn_cxx_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
@ -74270,7 +74277,7 @@ main ()
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
if ac_fn_cxx_try_compile "$LINENO"; then :
glibcxx_mresult=1
else
glibcxx_mresult=0
@ -74302,7 +74309,7 @@ main ()
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
if ac_fn_cxx_try_compile "$LINENO"; then :
glibcxx_mresult=1
else
glibcxx_mresult=0
@ -74334,7 +74341,7 @@ main ()
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
if ac_fn_cxx_try_compile "$LINENO"; then :
glibcxx_mresult=1
else
glibcxx_mresult=0
@ -74366,7 +74373,7 @@ main ()
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
if ac_fn_cxx_try_compile "$LINENO"; then :
glibcxx_mresult=1
else
glibcxx_mresult=0
@ -74398,7 +74405,7 @@ main ()
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
if ac_fn_cxx_try_compile "$LINENO"; then :
glibcxx_mresult=1
else
glibcxx_mresult=0
@ -74434,7 +74441,7 @@ struct rlimit r;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
if ac_fn_cxx_try_compile "$LINENO"; then :
glibcxx_cv_setrlimit=yes
else
glibcxx_cv_setrlimit=no
@ -74455,6 +74462,12 @@ $as_echo "#define _GLIBCXX_RES_LIMITS 1" >>confdefs.h
else
ac_res_limits=no
fi
ac_ext=c
ac_cpp='$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
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res_limits" >&5
$as_echo "$ac_res_limits" >&6; }