diff --git a/libs/libevhtp/Makefile b/libs/libevhtp/Makefile
index 6e2313aab..07668fd8b 100644
--- a/libs/libevhtp/Makefile
+++ b/libs/libevhtp/Makefile
@@ -25,6 +25,7 @@ PKG_MAINTAINER:=Eneas U de Queiroz <cote2004-github@yahoo.com>
 PKG_LICENSE:=BSD-3-Clause
 PKG_LICENSE_FILES:=LICENSE
 
+TARGET_CFLAGS += $(TARGET_CPPFLAGS)
 CMAKE_INSTALL:=1
 CMAKE_OPTIONS += \
 	-DLIB_INSTALL_DIR="$(STAGING_DIR)/usr/lib" \
diff --git a/libs/oniguruma/Makefile b/libs/oniguruma/Makefile
index 33f0e598f..62ba644b8 100644
--- a/libs/oniguruma/Makefile
+++ b/libs/oniguruma/Makefile
@@ -48,7 +48,7 @@ define Build/InstallDev
 	$(INSTALL_DIR) $(1)/usr/{include,lib}
 	$(CP) $(PKG_INSTALL_DIR)/usr/include/* $(1)/usr/include/
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/* $(1)/usr/lib/
-	$(SED) 's,/usr,${STAGING_DIR}/usr,g' $(1)/usr/lib/pkgconfig/oniguruma.pc
+	$(SED) 's,/usr,$(STAGING_DIR)/usr,g' $(1)/usr/lib/pkgconfig/oniguruma.pc
 endef
 
 $(eval $(call BuildPackage,oniguruma))