Fix error message

[gigi.git] / natives / Makefile

diff --git a/natives/Makefile b/natives/Makefile
index b58e400672c0e222c313ab4583d07fb7b872ee46..4fa62a79922a3b1fa3be66e065f113bf8fcc3f8c 100644 (file)
--- a/natives/Makefile
+++ b/natives/Makefile
@@ -1,12 +1,19 @@
+JAVA_HOME=/usr/lib/jvm/default-java
 SYSTEM= $(shell uname | awk '{print tolower($$0)}')
+JAVAH=javah
+CC=gcc
+CFLAGS=-flto -Wall -Werror -Wextra -pedantic -fPIC
+CPPFLAGS=-I$(JAVA_HOME)/include -I$(JAVA_HOME)/include/$(SYSTEM)
+LDFLAGS=-shared
 
 
 all: libsetuid.so
 
-libsetuid.so:
-       javah -classpath ../bin/ -jni org.cacert.gigi.natives.SetUID    
-       gcc -fPIC -o libsetuid.so -shared -I$(JAVA_HOME)/include -I$(JAVA_HOME)/include/$(SYSTEM) org_cacert_gigi_natives_SetUID.c
+org_cacert_gigi_natives_SetUID.h: ../src/org/cacert/gigi/natives/SetUID.java
+       $(JAVAH) -classpath ../bin/ -jni org.cacert.gigi.natives.SetUID
+
+libsetuid.so: org_cacert_gigi_natives_SetUID.c org_cacert_gigi_natives_SetUID.h
+       $(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $<
 
 clean:
-       rm -f *.so
-       rm -f *.h
+       -$(RM) *.so *.h