diff --git a/Makefile b/Makefile
index 76de82b..c759df3 100644
--- a/Makefile
+++ b/Makefile
@@ -28,9 +28,9 @@ $(DIR_OBJ)%.o: $(DIR_SRC)%.c
 
 
 install:$(NAME_LIBRARY)
-	@cp libami_c.so /usr/local/lib/libami_c.so
+	install -m 0755 libami_c.so /usr/local/lib/libami_c.so
 	@ln -s /usr/local/lib/libami_c.so /usr/lib/libami_c.so
-	@cp src/ami_c.h /usr/local/include/ami_c.h
+	install -m 0744 src/ami_c.h /usr/local/include/ami_c.h
 
 	$(info usar #include <ami_c.h>)
 	$(info Copiado pra /usr/lib/libami_c.so)
@@ -40,7 +40,7 @@ rpm:$(NAME_LIBRARY)
 	mkdir -p $(DESTDIR)/lib64/
 	mkdir -p $(DESTDIR)/usr/local/include/
 	install -m 0755 libami_c.so $(DESTDIR)/lib64/libami_c.so
-	install -m 0755 src/ami_c.h $(DESTDIR)/usr/local/include/ami_c.h
+	install -m 0744 src/ami_c.h $(DESTDIR)/usr/local/include/ami_c.h
 
 
 .PHONY: clean
@@ -54,7 +54,7 @@ uninstall:
 	rm /usr/lib/libami_c.so
 	rm /usr/local/include/ami_c.h
 
-	
+
 .PHONY: menu
 menu:
 	@echo "- - - - - MENU - - - - -\n\
diff --git a/pkgconfig/ami_c.pc b/pkgconfig/ami_c.pc
new file mode 100644
index 0000000..e69de29