blob: 4a84abebf45d443acc72f23cba529041913459f4 (
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--- a/native/Makefile
+++ b/native/Makefile
@@ -81,7 +81,7 @@ LIBPFX=lib
LIBSFX=.so
ARSFX=.a
JNISFX=$(LIBSFX)
-CC=gcc
+CC?=gcc
LD=$(CC)
LIBS=
# Default to Sun recommendations for JNI compilation
@@ -94,10 +94,10 @@ CFLAGS_EXTRA=
COUT=-o $@
CINCLUDES=$(JAVA_INCLUDES) -I"$(JAVAH)" -I$(FFI_BUILD)/include
CDEFINES=-D_REENTRANT
-PCFLAGS=-W -Wall -Wno-unused -Wno-parentheses
-CFLAGS=$(PCFLAGS) $(CFLAGS_EXTRA) $(COPT) $(CDEBUG) $(CDEFINES) $(CINCLUDES) \
+PCFLAGS=-Wall -Wno-unused -Wno-parentheses
+CFLAGS+= $(PCFLAGS) $(CFLAGS_EXTRA) $(COPT) $(CDEBUG) $(CDEFINES) $(CINCLUDES) \
-DJNA_JNI_VERSION='"$(JNA_JNI_VERSION)"' -DCHECKSUM='"$(CHECKSUM)"'
-LDFLAGS=-o $@ -shared
+LDFLAGS+= -o $@ -shared
ifeq ($(DYNAMIC_LIBFFI),true)
CFLAGS += $(shell pkg-config --cflags libffi 2>/dev/null || echo)
LIBS += $(shell pkg-config --libs libffi 2>/dev/null || echo -lffi)
@@ -108,7 +108,7 @@ endif
# Avoid bug in X11-based 1.5/1.6 VMs; dynamically load instead of linking
# See http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6539705
#LIBS=-L"$(LIBDIR)" -ljawt
-STRIP=strip -x
+STRIP?=strip -x
# end defaults
# Android build (cross-compile) requires the android NDK.
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