Ticket #21218: diff_4.2.7

--- Portfile_4.6.1      2009-12-29 17:31:24.000000000 +0300
+++ Portfile    2009-12-29 17:46:55.000000000 +0300
@@ -4,10 +4,15 @@
 PortSystem 1.0
 
 name           mc
-version                4.6.1
+version                4.7.0
+license     gnu
 categories     sysutils
 maintainers    waqar
-description    GNU Midnight Commander
+platforms      darwin
+
+description    \
+    GNU Midnight Commander
+
 long_description   \
        GNU Midnight Commander is a user-friendly yet powerful file \
        manager and visual shell, useful to novice and guru alike. \
@@ -16,17 +21,51 @@
        operations more efficient and preserving the full power of \
        the command prompt. After some practice, you will wonder how \
        you could ever live without it.
-homepage       http://www.midnight-commander.org/
-platforms      darwin
-master_sites   ${homepage}downloads
-checksums      md5 18b20db6e40480a53bac2870c56fc3c4 \
-               sha1 92be0802143245e0fb7e3847d70da614cad7d5fb \
-               rmd160 d565ee95a8916d73fad5e0defeb9f2f57e50962b
-depends_build  path:bin/pkg-config:pkgconfig
-depends_lib    path:lib/pkgconfig/glib-2.0.pc:glib2
-configure.args --without-x --with-screen=ncurses \
-       --infodir=${prefix}/share/info --mandir=${prefix}/share/man
+
+homepage http://www.midnight-commander.org/
+
+checksums \
+    md5 fbb8c47179b8fd40104e4d52aeb49659 \
+       sha1 027aab31da46d3aee6f06e2896b6c37113201ec6
+
+depends_build \
+    port:pkgconfig \
+    port:autoconf213
+
+depends_lib \
+    port:glib2
+
+configure.args \
+    --without-x \
+    --mandir=${prefix}/share/man \
+    --with-libiconv-prefix=${prefix} \
+    --infodir=${prefix}/share/info
+
+master_sites \
+    ${homepage}downloads
+
+use_bzip2       yes
 
 livecheck.type regex
-livecheck.url  [lindex ${master_sites} 0]
-livecheck.regex        ${name}-(\[0-9.\]+)\\.tar
+livecheck.url  ${homepage}downloads
+livecheck.regex        mc-(4\\.7\\.\[0-9.\]+)\\.tar
+
+# Build with slang2 screen library
+variant slang2 conflicts ncurses description {use slang2 screen library} {
+    depends_lib-append \
+        port:slang2
+    configure.args-append \
+        --with-screen=slang \
+        --with-slang-includes=${prefix} \
+        --with-slang-libs=${prefix}
+}
+
+# Build with ncurses screen library
+variant ncurses conflicts slang2 description {use ncurses screen library} {
+    configure.args-append \
+        --with-screen=ncurses
+}
+
+if { ![variant_isset ncurses] } {
+    default_variants +slang2
+}