--- a/Makefile
+++ b/Makefile
@@ -4,8 +4,9 @@
 # (c) 2007-2013 Thomas Bernard
 # http://miniupnp.free.fr/libnatpmp.html
 
+GENTOO_LIBDIR ?= lib
 OS = $(shell uname -s)
-CC = gcc
+CC ?= gcc
 INSTALL = install -p
 ARCH = $(shell uname -m | sed -e s/i.86/i686/)
 VERSION = $(shell cat VERSION)
@@ -35,7 +36,6 @@
 
 OBJS = $(LIBOBJS) testgetgateway.o natpmpc.o natpmp-jni.o
 
-STATICLIB = libnatpmp.a
 ifeq ($(OS), Darwin)
   SHAREDLIB = libnatpmp.dylib
   JNISHAREDLIB = libjninatpmp.dylib
@@ -58,11 +58,11 @@
 
 HEADERS = natpmp.h
 
-EXECUTABLES = testgetgateway natpmpc-shared natpmpc-static
+EXECUTABLES = testgetgateway natpmpc-shared
 
 INSTALLPREFIX ?= $(PREFIX)/usr
 INSTALLDIRINC = $(INSTALLPREFIX)/include
-INSTALLDIRLIB = $(INSTALLPREFIX)/lib
+INSTALLDIRLIB = $(INSTALLPREFIX)/$(GENTOO_LIBDIR)
 INSTALLDIRBIN = $(INSTALLPREFIX)/bin
 
 JAVA ?= java
@@ -74,9 +74,9 @@
 
 .PHONY:	all clean depend install cleaninstall installpythonmodule
 
-all: $(STATICLIB) $(SHAREDLIB) $(EXECUTABLES)
+all: $(SHAREDLIB) $(EXECUTABLES)
 
-pythonmodule: $(STATICLIB) libnatpmpmodule.c setup.py
+pythonmodule: libnatpmpmodule.c setup.py
 	python setup.py build
 	touch $@
 
@@ -84,18 +84,17 @@
 	python setup.py install
 
 clean:
-	$(RM) $(OBJS) $(EXECUTABLES) $(STATICLIB) $(SHAREDLIB) $(JAVACLASSES) $(JNISHAREDLIB)
+	$(RM) $(OBJS) $(EXECUTABLES) $(SHAREDLIB) $(JAVACLASSES) $(JNISHAREDLIB)
 	$(RM) pythonmodule
 	$(RM) -r build/ dist/ libraries/
 
 depend:
 	makedepend -f$(MAKEFILE_LIST) -Y $(OBJS:.o=.c) 2>/dev/null
 
-install:	$(HEADERS) $(STATICLIB) $(SHAREDLIB) natpmpc-shared
+install:	$(HEADERS) $(SHAREDLIB) natpmpc-shared
 	$(INSTALL) -d $(INSTALLDIRINC)
 	$(INSTALL) -m 644 $(HEADERS) $(INSTALLDIRINC)
 	$(INSTALL) -d $(INSTALLDIRLIB)
-	$(INSTALL) -m 644 $(STATICLIB) $(INSTALLDIRLIB)
 	$(INSTALL) -m 644 $(SHAREDLIB) $(INSTALLDIRLIB)/$(SONAME)
 	$(INSTALL) -d $(INSTALLDIRBIN)
 	$(INSTALL) -m 755 natpmpc-shared $(INSTALLDIRBIN)/natpmpc
@@ -147,25 +146,18 @@
 	$(RM) $(addprefix $(INSTALLDIRINC), $(HEADERS))
 	$(RM) $(INSTALLDIRLIB)/$(SONAME)
 	$(RM) $(INSTALLDIRLIB)/$(SHAREDLIB)
-	$(RM) $(INSTALLDIRLIB)/$(STATICLIB)
 
 testgetgateway:	testgetgateway.o getgateway.o
 	$(CC) $(LDFLAGS) -o $@ $^ $(EXTRA_LD)
 
-natpmpc-static:	natpmpc.o $(STATICLIB)
-	$(CC) $(LDFLAGS) -o $@ $^ $(EXTRA_LD)
-
 natpmpc-shared:	natpmpc.o $(SHAREDLIB)
-	$(CC) $(LDFLAGS) -o $@ $^ $(EXTRA_LD)
-
-$(STATICLIB):	$(LIBOBJS)
-	$(AR) crs $@ $?
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(EXTRA_LD)
 
 $(SHAREDLIB):	$(LIBOBJS)
 ifeq ($(OS), Darwin)
-	$(CC) -dynamiclib -Wl,-install_name,$(SONAME) -o $@ $^
+	$(CC) $(CFLAGS) $(LDFLAGS) -dynamiclib -Wl,-install_name,$(SONAME) -o $@ $^
 else
-	$(CC) -shared -Wl,-soname,$(SONAME) -o $@ $^ $(EXTRA_LD)
+	$(CC) $(CFLAGS) $(LDFLAGS) -shared -Wl,-soname,$(SONAME) -o $@ $^ $(EXTRA_LD)
 endif