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renamed AX_CXX_NAMESPACE_STD to AX_CXX_NAMESPACES
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hyung-hwan
2023-10-20 23:59:19 +09:00
parent d7ce330bb8
commit 1fc2c0eb12
11 changed files with 53 additions and 3 deletions
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43
configure vendored
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@ -6924,9 +6924,48 @@ fi
if test "${HAVE_CXX}" = "yes"
then
AX_CXX_NAMESPACE_STD
ax_cxx_compile_alternatives="11 0x" ax_cxx_compile_cxx11_required=false
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler implements namespaces" >&5
printf %s "checking whether the compiler implements namespaces... " >&6; }
if test ${ax_cv_cxx_namespaces+y}
then :
printf %s "(cached) " >&6
else $as_nop
ac_ext=cpp
ac_cpp='$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
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
namespace Outer { namespace Inner { int i = 0; }}
using namespace Outer::Inner; int foo(void) { return i;}
_ACEOF
if ac_fn_cxx_try_compile "$LINENO"
then :
ax_cv_cxx_namespaces=yes
else $as_nop
ax_cv_cxx_namespaces=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
ac_ext=c
ac_cpp='$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
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_cxx_namespaces" >&5
printf "%s\n" "$ax_cv_cxx_namespaces" >&6; }
if test "$ax_cv_cxx_namespaces" = yes; then
printf "%s\n" "#define HAVE_NAMESPACES /**/" >>confdefs.h
fi
ax_cxx_compile_alternatives="11 0x" ax_cxx_compile_cxx11_required=false
ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'