Ticket #49227: gcc5.5.0-java.diff

Portfile

@@ -22 +22 @@
                     ftp://ftp.gwdg.de/pub/linux/gcc/releases/gcc-${version}/ \
                     ftp://gcc.ftp.nluug.nl/mirror/languages/gcc/releases/gcc-${version}/ \
                     ftp://gcc.gnu.org/pub/gcc/releases/gcc-${version}/ \
-                    gnu:gcc/gcc-${version}
+                    gnu:gcc/gcc-${version} \
+                    ftp://sourceware.org/pub/java/:ecj \
+                    http://mirrors.kernel.org/sources.redhat.com/java/:ecj \
+                    http://www.mirrorservice.org/sites/sources.redhat.com/pub/java/:ecj \
+                    http://ftp-stud.fht-esslingen.de/pub/Mirrors/sourceware.org/java/:ecj
+
+set ecj             ecj-4.9.jar
 
 distname            gcc-${version}
 use_xz              yes
 
-checksums           rmd160  63fdc006c2289f81df664d1fd9b4124f71732e7b \
-                    sha256  530cea139d82fe542b358961130c69cfde8b3d14556370b65823d2f91f0ced87
+distfiles           ${distname}${extract.suffix}:gcc \
+                    ${ecj}:ecj
+
+extract.only        ${distname}${extract.suffix}
+
+checksums           ${distname}${extract.suffix} \
+                    rmd160  63fdc006c2289f81df664d1fd9b4124f71732e7b \
+                    sha256  530cea139d82fe542b358961130c69cfde8b3d14556370b65823d2f91f0ced87 \
+                    ${ecj} \
+                    rmd160  eb1b19d9ac0e9e265bf993f38b9576e3c710e91e \
+                    sha256  9506e75b862f782213df61af67338eb7a23c35ff425d328affc65585477d34cd
 
 depends_lib         port:cctools \
                     port:gmp \
@@ -44 +59 @@
 depends_skip_archcheck-append gcc_select ld64 cctools
 license_noconflict  gmp mpfr ppl libmpc
 
+# Provide linkage for MacPorts libiconv in gcj
+patchfiles-append   gcj-libiconv-linkage.patch
+
 set major           [lindex [split ${version} .-] 0]
 
+post-extract {
+    copy ${distpath}/${ecj} ${worksrcpath}/ecj.jar
+}
+
 platform darwin {
+    if {${os.major} > 14} {
+        # Hack around boehm-gc and associated gcj failures from recompilation
+        # of libunwind.dylib with Apple Clang in macOS > 10.11 by reducing
+        # alignment to 2
+        patchfiles-append   boehm-gc-darwin15-hack.patch
+    }
     configure.pre_args-append --build=${build_arch}-apple-darwin${os.major}
 }
 
@@ -63 +91 @@
                     --disable-nls \
                     --program-suffix=-mp-${major} \
                     --with-gxx-include-dir=${prefix}/include/${name}/c++/ \
+                    --with-libiconv-prefix=${prefix} \
                     --with-gmp=${prefix} \
                     --with-mpfr=${prefix} \
                     --with-mpc=${prefix} \