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homebrew-core/Formula/llvm.rb

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class Llvm < Formula
desc "Next-gen compiler infrastructure"
homepage "https://llvm.org/"
revision 1
stable do
url "https://releases.llvm.org/9.0.0/llvm-9.0.0.src.tar.xz"
sha256 "d6a0565cf21f22e9b4353b2eb92622e8365000a9e90a16b09b56f8157eabfe84"
resource "clang" do
url "https://releases.llvm.org/9.0.0/cfe-9.0.0.src.tar.xz"
sha256 "7ba81eef7c22ca5da688fdf9d88c20934d2d6b40bfe150ffd338900890aa4610"
end
resource "clang-extra-tools" do
url "https://releases.llvm.org/9.0.0/clang-tools-extra-9.0.0.src.tar.xz"
sha256 "ea1c86ce352992d7b6f6649bc622f6a2707b9f8b7153e9f9181a35c76aa3ac10"
end
resource "compiler-rt" do
url "https://releases.llvm.org/9.0.0/compiler-rt-9.0.0.src.tar.xz"
sha256 "56e4cd96dd1d8c346b07b4d6b255f976570c6f2389697347a6c3dcb9e820d10e"
end
resource "libcxx" do
url "https://releases.llvm.org/9.0.0/libcxx-9.0.0.src.tar.xz"
sha256 "3c4162972b5d3204ba47ac384aa456855a17b5e97422723d4758251acf1ed28c"
end
resource "libunwind" do
url "https://releases.llvm.org/9.0.0/libunwind-9.0.0.src.tar.xz"
sha256 "976a8d09e1424fb843210eecec00a506b956e6c31adda3b0d199e945be0d0db2"
end
resource "lld" do
url "https://releases.llvm.org/9.0.0/lld-9.0.0.src.tar.xz"
sha256 "31c6748b235d09723fb73fea0c816ed5a3fab0f96b66f8fbc546a0fcc8688f91"
end
resource "lldb" do
url "https://releases.llvm.org/9.0.0/lldb-9.0.0.src.tar.xz"
sha256 "1e4c2f6a1f153f4b8afa2470d2e99dab493034c1ba8b7ffbbd7600de016d0794"
end
resource "openmp" do
url "https://releases.llvm.org/9.0.0/openmp-9.0.0.src.tar.xz"
sha256 "9979eb1133066376cc0be29d1682bc0b0e7fb541075b391061679111ae4d3b5b"
end
resource "polly" do
url "https://releases.llvm.org/9.0.0/polly-9.0.0.src.tar.xz"
sha256 "a4fa92283de725399323d07f18995911158c1c5838703f37862db815f513d433"
end
end
bottle do
cellar :any
sha256 "a8e2475a1fc5a81f0da83a73d17fd54cc2a686f7b5d8e7ace9ea18885971415f" => :catalina
sha256 "418d1e365a59f1ef41b36e444ea72e60f381ba02083659e0375838d81443b151" => :mojave
sha256 "f9e02c2d5e6a5480e2f3f353d223acb170a9ba19fcd8d3ce38fbbc4e99a7d952" => :high_sierra
end
# Clang cannot find system headers if Xcode CLT is not installed
pour_bottle? do
reason "The bottle needs the Xcode CLT to be installed."
satisfy { MacOS::CLT.installed? }
end
head do
url "https://git.llvm.org/git/llvm.git"
resource "clang" do
url "https://git.llvm.org/git/clang.git"
end
resource "clang-extra-tools" do
url "https://git.llvm.org/git/clang-tools-extra.git"
end
resource "compiler-rt" do
url "https://git.llvm.org/git/compiler-rt.git"
end
resource "libcxx" do
url "https://git.llvm.org/git/libcxx.git"
end
resource "libunwind" do
url "https://git.llvm.org/git/libunwind.git"
end
resource "lld" do
url "https://git.llvm.org/git/lld.git"
end
resource "lldb" do
url "https://git.llvm.org/git/lldb.git"
end
resource "openmp" do
url "https://git.llvm.org/git/openmp.git"
end
resource "polly" do
url "https://git.llvm.org/git/polly.git"
end
end
keg_only :provided_by_macos
# https://llvm.org/docs/GettingStarted.html#requirement
depends_on "cmake" => :build
depends_on :xcode => :build
depends_on "libffi"
depends_on "swig"
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/lldb").install resource("lldb")
(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
-DLLDB_USE_SYSTEM_DEBUGSERVER=ON
-DLLDB_DISABLE_PYTHON=1
-DLIBOMP_INSTALL_ALIASES=OFF
]
mkdir "build" do
if MacOS.version >= :mojave
sdk_path = MacOS::CLT.installed? ? "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk" : MacOS.sdk_path
args << "-DDEFAULT_SYSROOT=#{sdk_path}"
end
system "cmake", "-G", "Unix Makefiles", "..", *(std_cmake_args + args)
system "make"
system "make", "install"
system "make", "install-xcode-toolchain"
end
(share/"clang/tools").install Dir["tools/clang/tools/scan-{build,view}"]
(share/"cmake").install "cmake/modules"
inreplace "#{share}/clang/tools/scan-build/bin/scan-build", "$RealBin/bin/clang", "#{bin}/clang"
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
clean_version = version.to_s[/(\d+\.?)+/]
system "#{bin}/clang", "-L#{lib}", "-fopenmp", "-nobuiltininc",
"-I#{lib}/clang/#{clean_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 default toolchain and SDK location.
system "#{bin}/clang++", "-v",
"-std=c++11", "test.cpp", "-o", "test++"
assert_includes MachO::Tools.dylibs("test++"), "/usr/lib/libc++.1.dylib"
assert_equal "Hello World!", shell_output("./test++").chomp
system "#{bin}/clang", "-v", "test.c", "-o", "test"
assert_equal "Hello World!", shell_output("./test").chomp
# Testing Command Line Tools
if MacOS::CLT.installed?
toolchain_path = "/Library/Developer/CommandLineTools"
sdk_path = "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk"
system "#{bin}/clang++", "-v",
"-isysroot", sdk_path,
"-isystem", "#{toolchain_path}/usr/include/c++/v1",
"-isystem", "#{toolchain_path}/usr/include",
"-isystem", "#{sdk_path}/usr/include",
"-std=c++11", "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", "test.c", "-o", "testCLT"
assert_equal "Hello World!", shell_output("./testCLT").chomp
end
# Testing Xcode
if MacOS::Xcode.installed?
system "#{bin}/clang++", "-v",
"-isysroot", MacOS.sdk_path,
"-isystem", "#{MacOS::Xcode.toolchain_path}/usr/include/c++/v1",
"-isystem", "#{MacOS::Xcode.toolchain_path}/usr/include",
"-isystem", "#{MacOS.sdk_path}/usr/include",
"-std=c++11", "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",
"-isysroot", MacOS.sdk_path,
"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",
"-isystem", "#{opt_include}/c++/v1",
"-std=c++11", "-stdlib=libc++", "test.cpp", "-o", "testlibc++",
"-L#{opt_lib}", "-Wl,-rpath,#{opt_lib}"
assert_includes MachO::Tools.dylibs("testlibc++"), "#{opt_lib}/libc++.1.dylib"
assert_equal "Hello World!", shell_output("./testlibc++").chomp
(testpath/"scanbuildtest.cpp").write <<~EOS
#include <iostream>
int main() {
int *i = new int;
*i = 1;
delete i;
std::cout << *i << std::endl;
return 0;
}
EOS
assert_includes shell_output("#{bin}/scan-build clang++ scanbuildtest.cpp 2>&1"),
"warning: Use of memory after it is freed"
(testpath/"clangformattest.c").write <<~EOS
int main() {
printf("Hello world!"); }
EOS
assert_equal "int main() { printf(\"Hello world!\"); }\n",
shell_output("#{bin}/clang-format -style=google clangformattest.c")
end
end
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