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acinclude.m4 (GLIBCXX_ENABLE_C99): Use C++ compiler for complex tests. 

2005-06-07  Benjamin Kosnik  <bkoz@redhat.com>

	* acinclude.m4 (GLIBCXX_ENABLE_C99): Use C++ compiler for complex
	tests.
	* configure: Regenerated.

From-SVN: r100713
This commit is contained in:
Benjamin Kosnik 2005-06-07 16:52:32 +00:00 committed by Benjamin Kosnik
parent e0374221d9
commit 225962a09b
3 changed files with 8 additions and 12 deletions
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6
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,9 @@
2005-06-07 Benjamin Kosnik <bkoz@redhat.com>
* acinclude.m4 (GLIBCXX_ENABLE_C99): Use C++ compiler for complex
tests.
* configure: Regenerated.
2005-06-07 Adrian Straetling <straetling@de.ibm.com>
* config/cpu/s390/atomicity.h: (__exchange_and_add,

7
libstdc++-v3/acinclude.m4
View File

@ -797,14 +797,10 @@ AC_DEFUN([GLIBCXX_ENABLE_C99], [
in <cmath> in namespace std.])
fi
# Check for the existence of <complex.h> complex functions.
# Check for the existence of <complex.h> 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++ <complex.h> 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,

7
libstdc++-v3/configure vendored
View File

@ -6715,14 +6715,10 @@ _ACEOF
fi
# Check for the existence of <complex.h> complex functions.
# Check for the existence of <complex.h> 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++ <complex.h> 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