Add gcc 4.9

gcc-4.9/build.sh

@@ -0,0 +1,10 @@
+./configure \
+    --prefix=$PREFIX \
+    --with-gmp=$PREFIX \
+    --with-mpfr=$PREFIX \
+    --with-mpc=$PREFIX \
+    --with-isl=$PREFIX \
+    --with-cloog=$PREFIX
+
+make
+make install

gcc-4.9/meta.yaml

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+package:
+  name: gcc
+  version: 4.9.1
+
+source:
+  fn: gcc-4.9.1.tar.bz2
+  url: http://www.netgull.com/gcc/releases/gcc-4.9.1/gcc-4.9.1.tar.bz2
+  md5: fddf71348546af523353bd43d34919c1
+
+requirements:
+  build:
+    # These are taken from the output of the configure scripts
+    - gmp >=4.3.2
+    - mpfr >=2.4.2
+    - mpc >=0.8.1
+    - isl 0.12.2
+    - cloog 0.18.1
+  run:
+    - gmp >=4.3.2
+    - mpfr >=2.4.2
+    - mpc >=0.8.1
+    - isl 0.12.2
+    - cloog 0.18.1
+
+about:
+  home: http://gcc.gnu.org/
+  summary: The GNU Compiler Collection
+  license: GPL

gcc-4.9/notes.md

@@ -0,0 +1,6 @@
+This requires a newish gcc to build. gcc 4.7 will work.
+
+We do not require gcc as a build dependency because we want to make sure that
+conda build finds all the files installed for this gcc when creating the
+package. So you will need to make sure that the gcc is on the PATH
+independently.