eUtils/c_src/cq1/rebar.config

{port_specs, [
    {"../../priv/cq1.so", [
        "*.c",
        "*.cc"
    ]}
]}.

%% {port_env, [
%%     {"(linux|solaris|freebsd|netbsd|openbsd|dragonfly|darwin|gnu)",
%%         "CFLAGS", "$CFLAGS -Ic_src/ -g -Wall -flto -Werror -O3"},
%%     {"(linux|solaris|freebsd|netbsd|openbsd|dragonfly|darwin|gnu)",
%%         "CXXFLAGS", "$CXXFLAGS -Ic_src/ -g -Wall -flto -Werror -O3"},
%%
%%     {"(linux|solaris|freebsd|netbsd|openbsd|dragonfly|darwin|gnu)",
%%         "LDFLAGS", "$LDFLAGS -flto -lstdc++"},
%%
%%     %% OS X Leopard flags for 64-bit
%%     {"darwin9.*-64$", "CXXFLAGS", "-m64"},
%%     {"darwin9.*-64$", "LDFLAGS", "-arch x86_64"},
%%
%%     %% OS X Snow Leopard flags for 32-bit
%%     {"darwin10.*-32$", "CXXFLAGS", "-m32"},
%%     {"darwin10.*-32$", "LDFLAGS", "-arch i386"},
%%
%%     {"win32", "CXXFLAGS", "$CXXFLAGS /O2 /DNDEBUG"}
%% ]}.