From 225962a09b477edd843f345218f75aaa71fea52f Mon Sep 17 00:00:00 2001 From: Benjamin Kosnik Date: Tue, 7 Jun 2005 16:52:32 +0000 Subject: [PATCH] acinclude.m4 (GLIBCXX_ENABLE_C99): Use C++ compiler for complex tests. 2005-06-07 Benjamin Kosnik * acinclude.m4 (GLIBCXX_ENABLE_C99): Use C++ compiler for complex tests. * configure: Regenerated. From-SVN: r100713 --- libstdc++-v3/ChangeLog | 6 ++++++ libstdc++-v3/acinclude.m4 | 7 +------ libstdc++-v3/configure | 7 +------ 3 files changed, 8 insertions(+), 12 deletions(-) diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 37f3fc3a782..ed08283e301 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,9 @@ +2005-06-07 Benjamin Kosnik + + * acinclude.m4 (GLIBCXX_ENABLE_C99): Use C++ compiler for complex + tests. + * configure: Regenerated. + 2005-06-07 Adrian Straetling * config/cpu/s390/atomicity.h: (__exchange_and_add, diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4 index 8a99521c253..1cf013e38c0 100644 --- a/libstdc++-v3/acinclude.m4 +++ b/libstdc++-v3/acinclude.m4 @@ -797,14 +797,10 @@ AC_DEFUN([GLIBCXX_ENABLE_C99], [ in in namespace std.]) fi - # Check for the existence of complex functions. + # Check for the existence of complex math functions. # This is necessary even though libstdc++ uses the builtin versions # of these functions, because if the builtin cannot be used, a reference # to the library function is emitted. - # In addition, need to explicitly specify "C" compilation for this - # one, or else the backwards C++ include will be selected. - save_CXXFLAGS="$CXXFLAGS" - CXXFLAGS="$CXXFLAGS -x c" AC_CHECK_HEADERS(complex.h, ac_has_complex_h=yes, ac_has_complex_h=no) ac_c99_complex=no; if test x"$ac_has_complex_h" = x"yes"; then @@ -851,7 +847,6 @@ AC_DEFUN([GLIBCXX_ENABLE_C99], [ cpowl(tmpld, tmpld); ],[ac_c99_complex=yes], [ac_c99_complex=no]) fi - CXXFLAGS="$save_CXXFLAGS" AC_MSG_RESULT($ac_c99_complex) if test x"$ac_c99_complex" = x"yes"; then AC_DEFINE(_GLIBCXX_USE_C99_COMPLEX, 1, diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure index 42a611141be..1d36c95ffc1 100755 --- a/libstdc++-v3/configure +++ b/libstdc++-v3/configure @@ -6715,14 +6715,10 @@ _ACEOF fi - # Check for the existence of complex functions. + # Check for the existence of complex math functions. # This is necessary even though libstdc++ uses the builtin versions # of these functions, because if the builtin cannot be used, a reference # to the library function is emitted. - # In addition, need to explicitly specify "C" compilation for this - # one, or else the backwards C++ include will be selected. - save_CXXFLAGS="$CXXFLAGS" - CXXFLAGS="$CXXFLAGS -x c" for ac_header in complex.h do @@ -6964,7 +6960,6 @@ ac_c99_complex=no fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext fi - CXXFLAGS="$save_CXXFLAGS" echo "$as_me:$LINENO: result: $ac_c99_complex" >&5 echo "${ECHO_T}$ac_c99_complex" >&6 if test x"$ac_c99_complex" = x"yes"; then -- 2.30.2