diff --git c/devel/libsysinfo/Makefile i/devel/libsysinfo/Makefile
index 9d9f3a2471bc..417fae2fe54f 100644
--- c/devel/libsysinfo/Makefile
+++ i/devel/libsysinfo/Makefile
@@ -3,7 +3,7 @@
 PORTNAME=	libsysinfo
 PORTVERSION=	0.0.3
 DISTVERSIONPREFIX=	v
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	devel
 
 MAINTAINER=	imp@bsdimp.com
@@ -23,6 +23,13 @@ PLIST_FILES=	include/sys/sysinfo.h \
 		lib/libsysinfo.a \
 		lib/libsysinfo.so \
 		lib/libsysinfo.so.0 \
+		libdata/pkgconfig/libsysinfo.pc \
 		man/man3/sysinfo.3.gz
 
+SUB_FILES=	libsysinfo.pc
+SUB_LIST=	PREFIX="${PREFIX}" PORTVERSION="${PORTVERSION}" COMMENT="${COMMENT}"
+
+post-install:
+	${INSTALL_DATA} ${WRKDIR}/libsysinfo.pc ${STAGEDIR}${PREFIX}/libdata/pkgconfig/
+
 .include <bsd.port.mk>
diff --git c/devel/libsysinfo/files/libsysinfo.pc.in i/devel/libsysinfo/files/libsysinfo.pc.in
new file mode 100644
index 000000000000..9b8803dc9b6d
--- /dev/null
+++ i/devel/libsysinfo/files/libsysinfo.pc.in
@@ -0,0 +1,11 @@
+prefix=%%PREFIX%%
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+
+Name: libsysinfo
+Description: %%COMMENT%%
+Version: %%PORTVERSION%%
+Libs: -L${libdir} -lsysinfo
+Libs.private:
+Cflags: -I${includedir}