diff -ruN glpk.orig/Makefile glpk/Makefile
--- glpk.orig/Makefile	2008-05-19 11:28:27.000000000 -0400
+++ glpk/Makefile	2008-07-08 01:44:26.045049914 -0400
@@ -6,7 +6,7 @@
 #
 
 PORTNAME=	glpk
-PORTVERSION=	4.28
+PORTVERSION=	4.29
 CATEGORIES=	math
 MASTER_SITES=	${MASTER_SITE_GNU}
 MASTER_SITE_SUBDIR=	glpk
@@ -25,7 +25,8 @@
 CFLAGS+=	-trigraphs
 CPPFLAGS+=	-I${LOCALBASE}/include
 LDFLAGS+=	-L${LOCALBASE}/lib
-CONFIGURE_ENV=	CPPFLAGS="${CPPFLAGS}" LDFLAGS="${LDFLAGS}"
+CONFIGURE_ENV+=	CPPFLAGS="${CPPFLAGS}" LDFLAGS="${LDFLAGS}"
+CONFIGURE_ARGS+=	--with-gmp --with-zlib
 
 .include <bsd.port.pre.mk>
 
@@ -51,7 +52,7 @@
 
 .if !defined(NOPORTDOCS)
 PORTDOCS=	bench.txt bench1.txt glpk.ps glpk_faq.txt gmpl.ps \
-		gomory.djvu opb.txt tables.txt
+		gomory.djvu opb.txt tables.txt updating.djvu
 .endif
 
 post-patch:
@@ -63,10 +64,14 @@
 
 .if !defined(NOPORTDOCS)
 	@${CP} ${WRKSRC}/doc/memo/gomory.djvu ${WRKSRC}/doc/
+	@${CP} ${WRKSRC}/doc/memo/updating.djvu ${WRKSRC}/doc/
 	@${MKDIR} ${DOCSDIR}
 	for docfile in ${PORTDOCS} ; do \
 		${INSTALL_MAN} ${WRKSRC}/doc/$${docfile} ${DOCSDIR} ; \
 	done
 .endif
 
+regression-test: build
+		@( cd ${WRKSRC} && ${SETENV} ${MAKE_ENV} ${MAKE} check )
+
 .include <bsd.port.post.mk>
diff -ruN glpk.orig/distinfo glpk/distinfo
--- glpk.orig/distinfo	2008-05-19 11:28:27.000000000 -0400
+++ glpk/distinfo	2008-07-08 01:41:03.209442036 -0400
@@ -1,3 +1,3 @@
-MD5 (glpk-4.28.tar.gz) = 6e4f30c37fb189aec6c71b27f0a57449
-SHA256 (glpk-4.28.tar.gz) = 8faeb202e58a3a9f6a6a8b0e8ae557bcc30f712060b4871a530f070c14939fd8
-SIZE (glpk-4.28.tar.gz) = 1546104
+MD5 (glpk-4.29.tar.gz) = 1e2d341619162499bbdebc96ca1d99a4
+SHA256 (glpk-4.29.tar.gz) = 41f458ef830b8b4df730ff789fcb612bd9ad274c29fb8665a7039dba0865102c
+SIZE (glpk-4.29.tar.gz) = 1557255
diff -ruN glpk.orig/pkg-plist glpk/pkg-plist
--- glpk.orig/pkg-plist	2008-05-19 11:28:27.000000000 -0400
+++ glpk/pkg-plist	2008-07-08 01:41:03.209442036 -0400
@@ -34,4 +34,4 @@
 lib/libglpk.a
 lib/libglpk.la
 lib/libglpk.so
-lib/libglpk.so.13
+lib/libglpk.so.14