include_rules ifdef NIX_OUTPUTS_DEV SED_FLAGS += -e "s|@includedir@|@(NIX_OUTPUTS_DEV)/include|" SED_FLAGS += -e "s|@libdir@|@(NIX_OUTPUTS_DEV)/lib|" SED_FLAGS += -e "s|@includes@|-I\${includedir}|" else SED_FLAGS += -e "s|@includedir@||" SED_FLAGS += -e "s|@includes@||" SED_FLAGS += -e "s|@libdir@|$(DEV_DIR)/lib|" endif : foreach *.pc.in |> !sed_pkgconfig_file |>