Create static library.

This is to allow developer build portable executables (e.g. gaming),
that executables can wrap all necessary code into one single binary,
instead of maintaining a dependency chain of shared libraries.

configure

@@ -36,6 +36,7 @@ END
 version=1.9.0				# package version (used by pkg-config)
 prefix=/usr/local			# where to install sndio
 so="libsndio.so.\${MAJ}.\${MIN}"	# shared libs to build
+static_name="libsndio-static.a"	        # shared libs to build
 alsa=no					# do we want alsa support ?
 sun=no					# do we want sun support ?
 oss=no					# do we want oss support ?
@@ -301,6 +302,7 @@ do
 	-e "s:@ldadd@:$ldadd:" \
 	-e "s:@so@:$so:" \
 	-e "s:@so_link@:$so_link:" \
+	-e "s:@static@:$static_name:" \
 	-e "s:@so_ldflags@:$so_ldflags:" \
 	-e "s:@vars@:${vars}:" \
 	-e "s:@precision@:$precision:" \

libsndio/Makefile.in

@@ -50,8 +50,9 @@ MAJ = 7
 MIN = 2
 SO = @so@
 SO_LINK = @so_link@
+STATIC= @static@
 
-all:		${SO}
+all:		${SO} ${STATIC}
 		for i in ${SO_LINK}; do ln -sf ${SO} $$i; done
 
 install:
@@ -62,6 +63,7 @@ install:
 		mkdir -p ${DESTDIR}${MAN7_DIR}
 		cp sndio.h ${DESTDIR}${INCLUDE_DIR}
 		cp -R ${SO} ${SO_LINK} ${DESTDIR}${LIB_DIR}
+		cp -R ${STATIC} ${DESTDIR}${LIB_DIR}
 		cp sndio.pc ${DESTDIR}${PKGCONF_DIR}
 		cp sio_open.3 ${DESTDIR}${MAN3_DIR}
 		ln -sf sio_open.3 ${DESTDIR}${MAN3_DIR}/sio_close.3
@@ -127,6 +129,9 @@ getpeereid.o issetugid.o strlcat.o strlcpy.o strtonum.o clock_gettime.o
 ${SO}:		${OBJS}
 		${CC} ${LDFLAGS} ${SO_CFLAGS} ${SO_LDFLAGS} -o ${SO} ${OBJS} ${LDADD}
 
+${STATIC}:	${OBJS}
+		${AR} r ${STATIC} ${OBJS}
+
 getpeereid.o:	../bsd-compat/getpeereid.c
 		${CC} ${CFLAGS} ${SO_CFLAGS} ${INCLUDE} ${DEFS} -c -o getpeereid.o ../bsd-compat/getpeereid.c