70 lines
2.3 KiB
Ruby
70 lines
2.3 KiB
Ruby
class Ispc < Formula
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desc "Compiler for SIMD programming on the CPU"
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homepage "https://ispc.github.io"
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url "https://github.com/ispc/ispc/archive/v1.11.0.tar.gz"
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sha256 "f48ef6e8a1fe5ad4fca691583bf7419f4dce1596e7ed850ff99cc017f8711b2f"
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bottle do
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cellar :any
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sha256 "0211c32ec401106b7f5afb79b358c74b049526dc5308844b1a1327732daa54d5" => :mojave
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sha256 "0fd371dc2dd0ab471fd25cbe2fca0ef3b4402b5cc2badd3e57694de9e16e4be7" => :high_sierra
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sha256 "5d2ad9aea47988b7e49a72fcf3ad1766a3f5291a3613f665164ecf3726af861f" => :sierra
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end
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depends_on "bison" => :build
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depends_on "cmake" => :build
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depends_on "flex" => :build
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depends_on "llvm@4"
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def install
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# The standard include paths for clang supplied by the llvm@4 formula do not include
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# C headers such as unistd.h. Add the path to those headers explicitly so that
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# generation of the ispc builtins and standard library do not silently fail.
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inreplace "cmake/GenerateBuiltins.cmake", "${CLANG_EXECUTABLE}",
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"${CLANG_EXECUTABLE} -I#{MacOS.sdk_path}/usr/include"
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args = std_cmake_args + %W[
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-DISPC_INCLUDE_EXAMPLES=OFF
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-DISPC_INCLUDE_TESTS=OFF
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-DISPC_INCLUDE_UTILS=OFF
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-DLLVM_TOOLS_BINARY_DIR='#{Formula["llvm@4"]}'
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]
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mkdir "build" do
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system "cmake", *args, ".."
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system "make"
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system "make", "install"
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end
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end
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test do
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(testpath/"simple.ispc").write <<~EOS
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export void simple(uniform float vin[], uniform float vout[], uniform int count) {
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foreach (index = 0 ... count) {
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float v = vin[index];
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if (v < 3.)
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v = v * v;
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else
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v = sqrt(v);
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vout[index] = v;
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}
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}
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EOS
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system bin/"ispc", "--arch=x86-64", "--target=sse2", testpath/"simple.ispc",
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"-o", "simple_ispc.o", "-h", "simple_ispc.h"
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(testpath/"simple.cpp").write <<~EOS
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#include "simple_ispc.h"
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int main() {
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float vin[9], vout[9];
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for (int i = 0; i < 9; ++i) vin[i] = static_cast<float>(i);
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ispc::simple(vin, vout, 9);
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return 0;
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}
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EOS
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system ENV.cxx, "-I#{testpath}", "-c", "-o", testpath/"simple.o", testpath/"simple.cpp"
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system ENV.cxx, "-o", testpath/"simple", testpath/"simple.o", testpath/"simple_ispc.o"
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system testpath/"simple"
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end
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end
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