diff -ruN /usr/ports/lang/guile/Makefile lang/guile/Makefile
--- /usr/ports/lang/guile/Makefile	2011-01-05 09:35:24.000000000 +0900
+++ lang/guile/Makefile	2011-03-15 17:37:34.000000000 +0900
@@ -6,8 +6,7 @@
 #    $MCom: ports/lang/guile/Makefile,v 1.1 2006/09/12 14:57:06 ahze Exp $

 PORTNAME=	guile
-PORTVERSION=	1.8.6
-PORTREVISION=	5
+PORTVERSION=	1.8.8
 CATEGORIES=	lang scheme
 MASTER_SITES=	${MASTER_SITE_GNU}
 MASTER_SITE_SUBDIR=	guile
@@ -39,8 +38,6 @@

 .include <bsd.port.pre.mk>

-AUTOTOOLSFILES=	aclocal.m4
-
 post-extract:
 	cd ${WRKSRC}; ${CHMOD} u+w ${REINPLACE_FILES}
 	@${FIND} ${WRKSRC}/doc -name "*.info*" -delete
diff -ruN /usr/ports/lang/guile/distinfo lang/guile/distinfo
--- /usr/ports/lang/guile/distinfo	2010-07-21 16:56:25.000000000 +0900
+++ lang/guile/distinfo	2011-03-14 16:03:33.000000000 +0900
@@ -1,3 +1,2 @@
-MD5 (guile-1.8.6.tar.gz) = 9e23d3dbea0e89bab8a9acc6880150de
-SHA256 (guile-1.8.6.tar.gz) = 69a2f9491480ff756d1cc4c8ea2bdc13d40ea8ddc8f93f26957bade8219a1d86
-SIZE (guile-1.8.6.tar.gz) = 3960608
+SHA256 (guile-1.8.8.tar.gz) = c3471fed2e72e5b04ad133bbaaf16369e8360283679bcf19800bc1b381024050
+SIZE (guile-1.8.8.tar.gz) = 3956654
diff -ruN /usr/ports/lang/guile/files/patch-configure.in lang/guile/files/patch-configure.in
--- /usr/ports/lang/guile/files/patch-configure.in	2010-07-21 16:56:25.000000000 +0900
+++ lang/guile/files/patch-configure.in	2011-03-14 16:08:39.000000000 +0900
@@ -1,15 +1,15 @@
---- configure.in.orig	2008-12-08 17:42:52.000000000 +0000
-+++ configure.in	2010-03-17 21:41:00.869992126 +0000
-@@ -622,7 +622,7 @@
+--- configure.in.orig	2010-12-14 02:24:39.000000000 +0900
++++ configure.in	2011-03-14 16:08:03.000000000 +0900
+@@ -659,7 +659,7 @@
  #
  AC_CHECK_HEADERS([complex.h fenv.h io.h libc.h limits.h malloc.h memory.h process.h string.h \
  regex.h rxposix.h rx/rxposix.h sys/dir.h sys/ioctl.h sys/select.h \
 -sys/time.h sys/timeb.h sys/times.h sys/stdtypes.h sys/types.h \
 +sys/time.h sys/times.h sys/stdtypes.h sys/types.h \
  sys/utime.h time.h unistd.h utime.h pwd.h grp.h sys/utsname.h \
- direct.h strings.h])
+ direct.h strings.h machine/fpu.h])

-@@ -725,12 +725,13 @@
+@@ -762,6 +762,7 @@
  #   sys/param.h - not in mingw
  #   pthread.h - only available with pthreads.  ACX_PTHREAD doesn't
  #       check this specifically, we need it for the timespec test below.
@@ -17,14 +17,16 @@
  #   sethostname - the function itself check because it's not in mingw,
  #       the DECL is checked because Solaris 10 doens't have in any header
  #   strncasecmp - on NetBSD 1.6 the symbol is available in libc but the
- #       declaration cannot be found
+@@ -779,7 +780,7 @@
+ #   vsnprintf - on AIX 5.3, the declaration is only visible with
+ #       `_XOPEN_SOURCE >= 500' or `_ISOC99_SOURCE'.
  #
 -AC_CHECK_HEADERS(crypt.h netdb.h pthread.h sys/param.h sys/resource.h sys/file.h)
 +AC_CHECK_HEADERS(crypt.h netdb.h pthread.h pthread_np.h sys/param.h sys/resource.h sys/file.h)
  AC_CHECK_FUNCS(chroot flock getlogin cuserid getpriority setpriority getpass sethostname gethostname)
- AC_CHECK_DECLS([sethostname, strncasecmp])
+ AC_CHECK_DECLS([sethostname, strncasecmp, unsetenv, hstrerror, cuserid, flock, vsnprintf])

-@@ -1260,9 +1261,11 @@
+@@ -1298,9 +1299,11 @@
      #         all; not present on MacOS X or Solaris 10
      #     pthread_get_stackaddr_np - "np" meaning "non portable" says it
      #         all; specific to MacOS X
diff -ruN /usr/ports/lang/guile/pkg-plist lang/guile/pkg-plist
--- /usr/ports/lang/guile/pkg-plist	2010-07-21 16:56:25.000000000 +0900
+++ lang/guile/pkg-plist	2011-03-14 16:11:16.000000000 +0900
@@ -129,7 +129,7 @@
 lib/libguile.a
 lib/libguile.la
 lib/libguile.so
-lib/libguile.so.20
+lib/libguile.so.21
 lib/libguilereadline-v-17.a
 lib/libguilereadline-v-17.la
 lib/libguilereadline-v-17.so