homebrew-core/Formula/llvm@5.rb
2019-02-18 11:27:10 +01:00

240 lines
8.7 KiB
Ruby

class LlvmAT5 < Formula
desc "Next-gen compiler infrastructure"
homepage "https://llvm.org/"
url "https://releases.llvm.org/5.0.2/llvm-5.0.2.src.tar.xz"
sha256 "d522eda97835a9c75f0b88ddc81437e5edbb87dc2740686cb8647763855c2b3c"
revision 1
bottle do
cellar :any
rebuild 1
sha256 "33c32271f2094e27473b54577b6c04e89fb457a09946b8ea1fe9df3bda8f6511" => :mojave
sha256 "45b114bd1d3d652b679304cee5f405d1f856c8cc015a3f1c08764477c99310c2" => :high_sierra
sha256 "8673a94fd59e891d0e26dc535944ed52a50c8074cfe88d6307cb05119c984b81" => :sierra
end
keg_only :versioned_formula
depends_on "cmake" => :build
depends_on "libffi"
resource "clang" do
url "https://releases.llvm.org/5.0.2/cfe-5.0.2.src.tar.xz"
sha256 "fa9ce9724abdb68f166deea0af1f71ca0dfa9af8f7e1261f2cae63c280282800"
end
resource "clang-extra-tools" do
url "https://releases.llvm.org/5.0.2/clang-tools-extra-5.0.2.src.tar.xz"
sha256 "a3362a854ba4a60336b21a95612f647f4b6de0afd88858f2420e41c5a31b0b05"
end
resource "compiler-rt" do
url "https://releases.llvm.org/5.0.2/compiler-rt-5.0.2.src.tar.xz"
sha256 "3efe9ddf3f69e0c0a45cde57ee93911f36f3ab5f2a7f6ab8c8efb3db9b24ed46"
end
resource "libcxx" do
url "https://releases.llvm.org/5.0.2/libcxx-5.0.2.src.tar.xz"
sha256 "6edf88e913175536e1182058753fff2365e388e017a9ec7427feb9929c52e298"
end
resource "libunwind" do
url "https://releases.llvm.org/5.0.2/libunwind-5.0.2.src.tar.xz"
sha256 "706e43c69c7be0fdeb55ebdf653cf47ca77e471d1584f1dbf12a568a93df9928"
end
resource "lld" do
url "https://releases.llvm.org/5.0.2/lld-5.0.2.src.tar.xz"
sha256 "46456d72ec411c6d5327ad3fea1358296f0dfe508caf1fa63ce4184f652e07aa"
end
resource "lldb" do
url "https://releases.llvm.org/5.0.2/lldb-5.0.2.src.tar.xz"
sha256 "78ba05326249b4d7577db56d16b2a7ffea43fc51e8592b0a1ac4d2ef87514216"
# Fixes "error: no type named 'pid_t' in the global namespace"
# https://github.com/Homebrew/homebrew-core/issues/17839
# Already fixed in upstream trunk
patch do
url "https://github.com/llvm-mirror/lldb/commit/324f93b5e30.patch?full_index=1"
sha256 "f23fc92c2d61bf6c8bc6865994a75264fafba6ae435e4d2f4cc8327004523fb1"
end
end
resource "openmp" do
url "https://releases.llvm.org/5.0.2/openmp-5.0.2.src.tar.xz"
sha256 "39ca542c540608d95d3299a474836a7b5f8377bcc5a68493379872738c28565c"
end
resource "polly" do
url "https://releases.llvm.org/5.0.2/polly-5.0.2.src.tar.xz"
sha256 "dda84e48b2195768c4ef25893edd5eeca731bed7e80a2376119dfbc3350e91b8"
end
def install
# Apple's libstdc++ is too old to build LLVM
ENV.libcxx if ENV.compiler == :clang
(buildpath/"tools/clang").install resource("clang")
(buildpath/"tools/clang/tools/extra").install resource("clang-extra-tools")
(buildpath/"projects/openmp").install resource("openmp")
(buildpath/"projects/libcxx").install resource("libcxx")
(buildpath/"projects/libunwind").install resource("libunwind")
(buildpath/"tools/lld").install resource("lld")
(buildpath/"tools/polly").install resource("polly")
(buildpath/"projects/compiler-rt").install resource("compiler-rt")
# compiler-rt has some iOS simulator features that require i386 symbols
# I'm assuming the rest of clang needs support too for 32-bit compilation
# to work correctly, but if not, perhaps universal binaries could be
# limited to compiler-rt. llvm makes this somewhat easier because compiler-rt
# can almost be treated as an entirely different build from llvm.
ENV.permit_arch_flags
args = %W[
-DLIBOMP_ARCH=x86_64
-DLINK_POLLY_INTO_TOOLS=ON
-DLLVM_BUILD_EXTERNAL_COMPILER_RT=ON
-DLLVM_BUILD_LLVM_DYLIB=ON
-DLLVM_ENABLE_EH=ON
-DLLVM_ENABLE_FFI=ON
-DLLVM_ENABLE_LIBCXX=ON
-DLLVM_ENABLE_RTTI=ON
-DLLVM_INCLUDE_DOCS=OFF
-DLLVM_INSTALL_UTILS=ON
-DLLVM_OPTIMIZED_TABLEGEN=ON
-DLLVM_TARGETS_TO_BUILD=all
-DWITH_POLLY=ON
-DFFI_INCLUDE_DIR=#{Formula["libffi"].opt_lib}/libffi-#{Formula["libffi"].version}/include
-DFFI_LIBRARY_DIR=#{Formula["libffi"].opt_lib}
-DLLVM_CREATE_XCODE_TOOLCHAIN=ON
]
mkdir "build" do
system "cmake", "-G", "Unix Makefiles", "..", *(std_cmake_args + args)
system "make"
system "make", "install"
system "make", "install-xcode-toolchain"
end
(share/"cmake").install "cmake/modules"
(share/"clang/tools").install Dir["tools/clang/tools/scan-{build,view}"]
# scan-build is in Perl, so the @ in our path needs to be escaped
inreplace "#{share}/clang/tools/scan-build/bin/scan-build",
"$RealBin/bin/clang", "#{bin}/clang".gsub("@", "\\@")
bin.install_symlink share/"clang/tools/scan-build/bin/scan-build", share/"clang/tools/scan-view/bin/scan-view"
man1.install_symlink share/"clang/tools/scan-build/man/scan-build.1"
# install llvm python bindings
(lib/"python2.7/site-packages").install buildpath/"bindings/python/llvm"
(lib/"python2.7/site-packages").install buildpath/"tools/clang/bindings/python/clang"
end
def caveats; <<~EOS
To use the bundled libc++ please add the following LDFLAGS:
LDFLAGS="-L#{opt_lib} -Wl,-rpath,#{opt_lib}"
EOS
end
test do
assert_equal prefix.to_s, shell_output("#{bin}/llvm-config --prefix").chomp
(testpath/"omptest.c").write <<~EOS
#include <stdlib.h>
#include <stdio.h>
#include <omp.h>
int main() {
#pragma omp parallel num_threads(4)
{
printf("Hello from thread %d, nthreads %d\\n", omp_get_thread_num(), omp_get_num_threads());
}
return EXIT_SUCCESS;
}
EOS
system "#{bin}/clang", "-L#{lib}", "-fopenmp", "-nobuiltininc",
"-I#{lib}/clang/#{version}/include",
"omptest.c", "-o", "omptest"
testresult = shell_output("./omptest")
sorted_testresult = testresult.split("\n").sort.join("\n")
expected_result = <<~EOS
Hello from thread 0, nthreads 4
Hello from thread 1, nthreads 4
Hello from thread 2, nthreads 4
Hello from thread 3, nthreads 4
EOS
assert_equal expected_result.strip, sorted_testresult.strip
(testpath/"test.c").write <<~EOS
#include <stdio.h>
int main()
{
printf("Hello World!\\n");
return 0;
}
EOS
(testpath/"test.cpp").write <<~EOS
#include <iostream>
int main()
{
std::cout << "Hello World!" << std::endl;
return 0;
}
EOS
# Testing Command Line Tools
if MacOS::CLT.installed?
libclangclt = Dir["/Library/Developer/CommandLineTools/usr/lib/clang/#{MacOS::CLT.version.to_i}*"].last { |f| File.directory? f }
system "#{bin}/clang++", "-v", "-nostdinc",
"-I/Library/Developer/CommandLineTools/usr/include/c++/v1",
"-I#{libclangclt}/include",
"-I/usr/include", # need it because /Library/.../usr/include/c++/v1/iosfwd refers to <wchar.h>, which CLT installs to /usr/include
"test.cpp", "-o", "testCLT++"
assert_includes MachO::Tools.dylibs("testCLT++"), "/usr/lib/libc++.1.dylib"
assert_equal "Hello World!", shell_output("./testCLT++").chomp
system "#{bin}/clang", "-v", "-nostdinc",
"-I/usr/include", # this is where CLT installs stdio.h
"test.c", "-o", "testCLT"
assert_equal "Hello World!", shell_output("./testCLT").chomp
end
# Testing Xcode
if MacOS::Xcode.installed?
libclangxc = Dir["#{MacOS::Xcode.toolchain_path}/usr/lib/clang/#{DevelopmentTools.clang_version}*"].last { |f| File.directory? f }
system "#{bin}/clang++", "-v", "-nostdinc",
"-I#{MacOS::Xcode.toolchain_path}/usr/include/c++/v1",
"-I#{libclangxc}/include",
"-I#{MacOS.sdk_path}/usr/include",
"test.cpp", "-o", "testXC++"
assert_includes MachO::Tools.dylibs("testXC++"), "/usr/lib/libc++.1.dylib"
assert_equal "Hello World!", shell_output("./testXC++").chomp
system "#{bin}/clang", "-v", "-nostdinc",
"-I#{MacOS.sdk_path}/usr/include",
"test.c", "-o", "testXC"
assert_equal "Hello World!", shell_output("./testXC").chomp
end
# link against installed libc++
# related to https://github.com/Homebrew/legacy-homebrew/issues/47149
system "#{bin}/clang++", "-v", "-nostdinc",
"-std=c++11", "-stdlib=libc++",
"-I#{MacOS::Xcode.toolchain_path}/usr/include/c++/v1",
"-I#{libclangxc}/include",
"-I#{MacOS.sdk_path}/usr/include",
"-L#{lib}",
"-Wl,-rpath,#{lib}", "test.cpp", "-o", "test"
assert_includes MachO::Tools.dylibs("test"), "#{opt_lib}/libc++.1.dylib"
assert_equal "Hello World!", shell_output("./test").chomp
end
end