Ticket #15175: patch-arpack.diff

Portfile

@@ -4 +4 @@
 
 name          arpack
 version       1
-revision      1
+revision      2
 categories    math
 platforms     darwin
 maintainers             mmoll@cs.rice.edu
@@ -18 +18 @@
 checksums     arpack96.tar.gz md5 fffaa970198b285676f4156cebc8626e \
               patch.tar.gz md5 14830d758f195f272b8594a493501fa2
 
-# We need gfortran. Gcc41 doesn't seem to compile on Intel Mac, so we'll take
-# gcc42. Too bad that the actual gfortran binary in gcc42 is called 
-# gfortran-mp-4.2, otherwise we could just say bin:gfortran:gcc42.
-depends_build port:gcc42
 use_configure   no
 worksrcdir      ARPACK
 patchfiles      patch-arpack.diff
-build.args      all FC=gfortran-mp-4.2 home=${worksrcpath} 
+build.args      all home=${worksrcpath} 
 destroot    { 
    xinstall -m 644 -v -W ${worksrcpath} libarpack.a ${destroot}${prefix}/lib
 }
@@ -33 +29 @@
         system "ranlib ${destroot}${prefix}/lib/libarpack.a"
 }
 
+variant gcc42 description {build with gfortran-mp-4.2} conflicts gcc43 g95 {
+        configure.f77         ${prefix}/bin/gfortran-mp-4.2
+        configure.fc          ${prefix}/bin/gfortran-mp-4.2
+        depends_build-append    port:gcc42
+}
+
+variant gcc43 description {build with gfortran-mp-4.3} conflicts gcc42 g95 {
+        configure.f77         ${prefix}/bin/gfortran-mp-4.3
+        configure.fc          ${prefix}/bin/gfortran-mp-4.3
+        depends_build-append    port:gcc43
+}
+
+variant g95 description {build with gfortran-mp-4.2} conflicts gcc42 gcc43 {
+        configure.f77         ${prefix}/bin/g95
+        configure.fc          ${prefix}/bin/g95
+        depends_build-append    port:g95
+}
+
 variant mpi {
   distfiles-append parpack96.tar.gz ppatch.tar.gz
   checksums-append parpack96.tar.gz md5 598d0453b938ccd99a078246be5927f3 \
@@ -48 +62 @@
                 system "ranlib ${destroot}${prefix}/lib/libparpack.a"
         }
 }
+
+if { ![variant_isset gcc42] && ![variant_isset gcc43] && ![variant_isset g95] } {
+        default_variants      +gcc42
+}