20 lines
503 B
Plaintext
20 lines
503 B
Plaintext
|
dnl @synopsis XIPH_ADD_CXXFLAGS
|
||
|
|
dnl
|
||
|
|
dnl Add the given option to CXXFLAGS, if it doesn't break the compiler
|
||
|
|
|
||
|
|
AC_DEFUN([XIPH_ADD_CXXFLAGS],
|
||
|
|
[AC_MSG_CHECKING([if $CXX accepts $1])
|
||
|
|
AC_LANG_ASSERT([C++])
|
||
|
|
ac_add_cxxflags__old_cxxflags="$CXXFLAGS"
|
||
|
|
CXXFLAGS="$1"
|
||
|
|
AC_TRY_LINK([
|
||
|
|
#include <cstdio>
|
||
|
|
],
|
||
|
|
[puts("Hello, World!"); return 0;],
|
||
|
|
AC_MSG_RESULT([yes])
|
||
|
|
CXXFLAGS="$ac_add_cxxflags__old_cxxflags $1",
|
||
|
|
AC_MSG_RESULT([no])
|
||
|
|
CXXFLAGS="$ac_add_cxxflags__old_cxxflags"
|
||
|
|
)
|
||
|
|
])# XIPH_ADD_CXXFLAGS
|