diff --git a/Makefile b/Makefile
index b591cb9a..4d711028 100644
--- a/Makefile
+++ b/Makefile
@@ -67,6 +67,14 @@ else
    LIBGPR_TYPES=static
 endif
 
+ifneq ($(strip $(CFLAGS)),)
+   CARGS := -cargs $(CFLAGS)
+endif
+
+ifneq ($(strip $(LDFLAGS)),)
+   LARGS := -largs $(LDFLAGS)
+endif
+
 # Used to pass extra options to GPRBUILD, like -d for instance
 GPRBUILD_OPTIONS=
 
@@ -75,7 +83,7 @@ LIB_INSTALLER=gprinstall -p -f --target=$(TARGET) $(RBD) --prefix=${prefix}
 CLEANER=gprclean -q $(RBD)
 
 GPRBUILD_BUILDER=$(BUILDER) $(GPRBUILD_GPR) \
-	-XLIBRARY_TYPE=static -XXMLADA_BUILD=static
+	-XLIBRARY_TYPE=static -XXMLADA_BUILD=static $(CARGS) $(LARGS)
 LIBGPR_BUILDER=$(BUILDER) $(GPR_GPR)
 LIBGPR_INSTALLER=$(LIB_INSTALLER) $(GPR_GPR) -XBUILD=${BUILD} \
 	--install-name=gpr --build-var=LIBRARY_TYPE $(GTARGET)