pocl 0.8 (new formula)

Open source OpenCL 1.2 compatible driver, which allows people to link
their program against alternative OpenCL implementation on OSX (e.g.
Apple i5 CPU driver is quite buggy). Added patch to fix one hard coded
tool call and upstreamed patch to pocl trunk.

Closes #23826.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

1 files changed, 54 insertions, 0 deletions

diff --git a/Library/Formula/pocl.rb b/Library/Formula/pocl.rb
new file mode 100644
index 000000000..75d1b25f9
--- /dev/null
+++ b/Library/Formula/pocl.rb
@@ -0,0 +1,54 @@
+require 'formula'
+
+class Pocl < Formula
+  homepage 'http://pocl.sourceforge.net'
+  url 'http://pocl.sourceforge.net/downloads/pocl-0.8.tar.gz'
+  sha1 '773f761bdca4c53654cfc0e59363e01757735c8b'
+
+  depends_on 'pkg-config' => :build
+  depends_on 'hwloc'
+  depends_on 'llvm' => 'with-clang'
+  depends_on :libltdl
+
+  def patches
+    # fix llvm-link command in script with version found by
+    # configure. This should be fixed in 0.9
+    DATA
+  end
+
+  def install
+    ENV.j1
+    system "./configure", "--disable-debug",
+                          "--enable-direct-linkage",
+                          "--disable-icd",
+                          "--enable-testsuites=",
+                          "--prefix=#{prefix}"
+    system "make", "install"
+  end
+
+  test do
+    (testpath/'foo.cl').write <<-EOS.undent
+      kernel void foo(int *in, int *out) {
+        int i = get_global_id(0);
+        out[i] = in[i];
+      }
+    EOS
+    system "#{bin}/pocl-standalone -h head.h -o foo.bc foo.cl"
+    system "\"#{Formula.factory('llvm').opt_prefix}/bin/llvm-dis\" < foo.bc | grep foo_workgroup"
+    system "pkg-config pocl --modversion | grep 0.8"
+  end
+end
+
+__END__
+diff --git a/scripts/pocl-standalone.in b/scripts/pocl-standalone.in
+index 739fc4b..9542bf3 100644
+--- a/scripts/pocl-standalone.in
++++ b/scripts/pocl-standalone.in
+@@ -106,7 +106,7 @@ pocl_lib="@abs_top_builddir@/lib/llvmopencl/.libs/llvmopencl.so"
+ full_target_dir="@abs_top_builddir@/lib/kernel/${target_dir}"
+ # END REMOVE ONCE INSTALLED
+
+-llvm-link -o ${linked_bc} ${kernel_bc} ${full_target_dir}/kernel*.bc
++@LLVM_LINK@ -o ${linked_bc} ${kernel_bc} ${full_target_dir}/kernel*.bc
+
+ OPT_SWITCH="-O3"