gmp@4: import from homebrew/versions.

Formula/gmp@4.rb

@@ -0,0 +1,79 @@
+class GmpAT4 < Formula
+  desc "GNU multiple precision arithmetic library"
+  homepage "http://gmplib.org/"
+  # Track gcc infrastructure releases.
+  url "https://ftpmirror.gnu.org/gmp/gmp-4.3.2.tar.bz2"
+  mirror "https://ftp.gnu.org/gnu/gmp/gmp-4.3.2.tar.bz2"
+  mirror "ftp://ftp.gmplib.org/pub/gmp-4.3.2/gmp-4.3.2.tar.bz2"
+  mirror "ftp://gcc.gnu.org/pub/gcc/infrastructure/gmp-4.3.2.tar.bz2"
+  sha256 "936162c0312886c21581002b79932829aa048cfaf9937c6265aeaa14f1cd1775"
+
+  keg_only "Older version of gmp"
+
+  fails_with :gcc_4_0 do
+    cause "Reports of problems using gcc 4.0 on Leopard: https://github.com/mxcl/homebrew/issues/issue/2302"
+  end
+
+  # Patches gmp.h to remove the __need_size_t define, which
+  # was preventing libc++ builds from getting the ptrdiff_t type
+  # Applied upstream in http://gmplib.org:8000/gmp/raw-rev/6cd3658f5621
+  patch :DATA
+
+  def install
+    args = ["--prefix=#{prefix}", "--enable-cxx"]
+
+    # Build 32-bit where appropriate, and help configure find 64-bit CPUs
+    if MacOS.prefer_64_bit? && !build.build_32_bit?
+      ENV.m64
+      args << "--build=x86_64-apple-darwin"
+    else
+      ENV.m32
+      args << "--host=none-apple-darwin"
+    end
+
+    system "./configure", *args
+    system "make"
+    ENV.j1 # Doesn't install in parallel on 8-core Mac Pro
+    system "make", "install"
+
+    # Different compilers and options can cause tests to fail even
+    # if everything compiles, so yes, we want to do this step.
+    system "make", "check"
+  end
+
+  test do
+    (testpath/"test.c").write <<-EOS.undent
+      #include <gmp.h>
+
+      int main()
+      {
+        mpz_t integ;
+        mpz_init (integ);
+        mpz_clear (integ);
+        return 0;
+      }
+    EOS
+    system ENV.cc, "test.c", "-L#{lib}", "-lgmp", "-I#{include}", "-o", "test"
+    system "./test"
+  end
+end
+
+__END__
+diff --git a/gmp-h.in b/gmp-h.in
+index d7fbc34..3c57c48 100644
+--- a/gmp-h.in
++++ b/gmp-h.in
+@@ -46,13 +46,11 @@ along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
+ #ifndef __GNU_MP__
+ #define __GNU_MP__ 4
+
+-#define __need_size_t  /* tell gcc stddef.h we only want size_t */
+ #if defined (__cplusplus)
+ #include <cstddef>     /* for size_t */
+ #else
+ #include <stddef.h>    /* for size_t */
+ #endif
+-#undef __need_size_t
+
+ /* Instantiated by configure. */
+ #if ! defined (__GMP_WITHIN_CONFIGURE)

formula_renames.json

@@ -14,6 +14,7 @@
   "fig": "docker-compose",
   "geode": "apache-geode",
   "glfw3": "glfw",
+  "gmp4": "gmp@4",
   "go-app-engine-32": "app-engine-go-32",
   "go-app-engine-64": "app-engine-go-64",
   "google-app-engine": "app-engine-python",