gecko/build/autoconf/compiler-opts.m4

dnl Add compiler specific options

AC_DEFUN([MOZ_COMPILER_OPTS],
[
if test "$CLANG_CXX"; then
    ## We disable return-type-c-linkage because jsval is defined as a C++ type but is
    ## returned by C functions. This is possible because we use knowledge about the ABI
    ## to typedef it to a C type with the same layout when the headers are included
    ## from C.
    _WARNINGS_CXXFLAGS="${_WARNINGS_CXXFLAGS} -Wno-unknown-warning-option -Wno-return-type-c-linkage"
fi
])