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libstdc++: respect with-{headers, newlib} for default hosted value

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This saves us a build flag when building for freestanding targets.

libstdc++-v3/ChangeLog:

	* acinclude.m4: Default hosted to off if building without
	headers and without newlib.
	* configure: Regenerate.
This commit is contained in:
Arsen Arsenović 2022-10-12 21:47:35 +02:00 committed by Jonathan Wakely
parent 33de0ffcf0
commit 88b34661f7
2 changed files with 14 additions and 8 deletions
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5
libstdc++-v3/acinclude.m4
View File

@ -2982,7 +2982,10 @@ AC_DEFUN([GLIBCXX_ENABLE_HOSTED], [
enable_hosted_libstdcxx=no
;;
*)
enable_hosted_libstdcxx=yes
case "${with_newlib}-${with_headers}" in
no-no) enable_hosted_libstdcxx=no ;;
*) enable_hosted_libstdcxx=yes ;;
esac
;;
esac])

17
libstdc++-v3/configure vendored
View File

@ -15698,7 +15698,10 @@ else
enable_hosted_libstdcxx=no
;;
*)
enable_hosted_libstdcxx=yes
case "${with_newlib}-${with_headers}" in
no-no) enable_hosted_libstdcxx=no ;;
*) enable_hosted_libstdcxx=yes ;;
esac
;;
esac
fi
@ -16063,7 +16066,7 @@ $as_echo "$glibcxx_cv_atomic_long_long" >&6; }
# Fake what AC_TRY_COMPILE does.
cat > conftest.$ac_ext << EOF
#line 16066 "configure"
#line 16069 "configure"
int main()
{
typedef bool atomic_type;
@ -16098,7 +16101,7 @@ $as_echo "$glibcxx_cv_atomic_bool" >&6; }
rm -f conftest*
cat > conftest.$ac_ext << EOF
#line 16101 "configure"
#line 16104 "configure"
int main()
{
typedef short atomic_type;
@ -16133,7 +16136,7 @@ $as_echo "$glibcxx_cv_atomic_short" >&6; }
rm -f conftest*
cat > conftest.$ac_ext << EOF
#line 16136 "configure"
#line 16139 "configure"
int main()
{
// NB: _Atomic_word not necessarily int.
@ -16169,7 +16172,7 @@ $as_echo "$glibcxx_cv_atomic_int" >&6; }
rm -f conftest*
cat > conftest.$ac_ext << EOF
#line 16172 "configure"
#line 16175 "configure"
int main()
{
typedef long long atomic_type;
@ -16325,7 +16328,7 @@ $as_echo "mutex" >&6; }
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
#line 16328 "configure"
#line 16331 "configure"
int main()
{
_Decimal32 d1;
@ -16367,7 +16370,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
#line 16370 "configure"
#line 16373 "configure"
template<typename T1, typename T2>
struct same
{ typedef T2 type; };