package/pkg-cmake.mk: set the {C, CXX, LD}FLAGS for host packages

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/pkg-cmake.mk

@@ -86,6 +86,9 @@ define $(2)_CONFIGURE_CMDS
 		-DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY="BOTH" \
 		-DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE="BOTH" \
 		-DCMAKE_INSTALL_PREFIX="$$(HOST_DIR)/usr" \
+		-DCMAKE_C_FLAGS="$$(HOST_CFLAGS)" \
+		-DCMAKE_CXX_FLAGS="$$(HOST_CXXFLAGS)" \
+		-DCMAKE_EXE_LINKER_FLAGS="$$(HOST_LDFLAGS)" \
 		-DBUILD_TESTING=OFF \
 		$$($$(PKG)_CONF_OPT) \
 	)