* fix as-needed issues
* fix parallel build 

http://bugs.gentoo.org/show_bug.cgi?id=334861
https://gna.org/bugs/index.php?16562

--- config.mk
+++ config.mk
@@ -22,11 +22,11 @@
 LIBS =	${LIB_LIBS}
 
 # flags
-CFLAGS += -fPIC -std=c99 -DUOFF_T_LONG ${INCS}
-LDFLAGS += -shared ${LIBS}
+CFLAGS += -fPIC -std=c99 -DUOFF_T_LONG
+LDFLAGS += -shared
 
 # debug
-CFLAGS += -W -ggdb -Wall -Wno-unused-parameter
+#CFLAGS += -W -ggdb -Wall -Wno-unused-parameter
 
 # compiler and linker
 CC = cc
--- src/rules.mk
+++ src/rules.mk
@@ -4,25 +4,27 @@
 
 OBJS = ${SRCS:.c=.o}
 
-all: ${LIB}
+LIBSO=lib${LIB}.so
+
+all: ${LIBSO}
 
 .c.o:
-	${CC} ${CFLAGS} -o $@ -c $<
+	${CC} ${CFLAGS} ${INCS} -o $@ -c $<
 
-${LIB}: ${OBJS}
-	${CC} ${LDFLAGS} -o lib$@.so ${OBJS}
+${LIBSO}: ${OBJS}
+	${CC} ${LDFLAGS} -o $@ ${OBJS} ${LIBS}
 
 clean:
-	rm -f lib${LIB}.so ${OBJS}
+	rm -f ${LIBSO} ${OBJS}
 
 install: all
-	@echo installing the module lib${LIB}.so to ${DESTDIR}${IRSSI_LIB}/modules
+	@echo installing the module ${LIBSO} to ${DESTDIR}${IRSSI_LIB}/modules
 	install -d ${DESTDIR}${IRSSI_LIB}/modules
-	install lib${LIB}.so ${DESTDIR}${IRSSI_LIB}/modules
+	install ${LIBSO} ${DESTDIR}${IRSSI_LIB}/modules
 
 uninstall:
-	@echo deinstalling the module lib${LIB}.so from ${DESTDIR}${IRSSI_LIB}/modules
-	rm -f ${DESTDIR}${IRSSI_LIB}/modules/lib${LIB}.so
+	@echo deinstalling the module ${LIBSO} from ${DESTDIR}${IRSSI_LIB}/modules
+	rm -f ${DESTDIR}${IRSSI_LIB}/modules/${LIBSO}
 
 user-install:
 	env DESTDIR= IRSSI_LIB=~/.irssi ${MAKE} install