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homebrew-core/Formula/llvm@9.rb

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class LlvmAT9 < Formula
desc "Next-gen compiler infrastructure"
homepage "https://llvm.org/"
url "https://github.com/llvm/llvm-project/releases/download/llvmorg-9.0.1/llvm-9.0.1.src.tar.xz"
sha256 "00a1ee1f389f81e9979f3a640a01c431b3021de0d42278f6508391a2f0b81c9a"
# The LLVM Project is under the Apache License v2.0 with LLVM Exceptions
license "Apache-2.0"
revision 4
bottle do
sha256 cellar: :any, monterey: "f7d35848ad1b76f358c742719cf3f0fe5cc913a0e04e1a81838ecc30cea22d7f"
sha256 cellar: :any, big_sur: "611f1a48eaa5ea4abda72ec633671c1ec56541fb2acf9ed8021ac540e863ab33"
sha256 cellar: :any, catalina: "111e5fdea2179635cb834f62ac0e8e967c4b9e9ad4ed99c8db6a0879f58ff524"
sha256 cellar: :any, mojave: "de79caa57933b7618c0cb92aad49fdf7f8758d0875466050908737d32f9e5b61"
sha256 cellar: :any_skip_relocation, x86_64_linux: "02addeab63f5540124b9b12c600952190c400c3a7559596537166ef21d9cf3d9"
end
# Clang cannot find system headers if Xcode CLT is not installed
pour_bottle? only_if: :clt_installed
keg_only :versioned_formula
# https://llvm.org/docs/GettingStarted.html#requirement
depends_on "cmake" => :build
depends_on arch: :x86_64
depends_on "swig"
uses_from_macos "libedit"
uses_from_macos "libffi", since: :catalina
uses_from_macos "libxml2"
uses_from_macos "ncurses"
uses_from_macos "zlib"
on_linux do
depends_on "binutils" # needed for gold and strip
depends_on "elfutils" # openmp requires <gelf.h>
depends_on "glibc" if Formula["glibc"].any_version_installed?
depends_on "python@3.8"
end
resource "clang" do
url "https://github.com/llvm/llvm-project/releases/download/llvmorg-9.0.1/clang-9.0.1.src.tar.xz"
sha256 "5778512b2e065c204010f88777d44b95250671103e434f9dc7363ab2e3804253"
# Fix for Big Sur+ SDK. Backported from
# https://github.com/llvm/llvm-project/commit/a3a24316087d0e1b4db0b8fee19cdee8b7968032
patch :p3 do
url "https://raw.githubusercontent.com/Homebrew/formula-patches/1f6960faf59a8d3d83ba8c32d0ec389febfee792/llvm%409/llvm%409.patch"
sha256 "02fb21c26f468b0dab25c93b2802539133e06b0bcf19802a7ecdc227c454c4db"
end
end
resource "clang-extra-tools" do
url "https://github.com/llvm/llvm-project/releases/download/llvmorg-9.0.1/clang-tools-extra-9.0.1.src.tar.xz"
sha256 "b26fd72a78bd7db998a26270ec9ec6a01346651d88fa87b4b323e13049fb6f07"
end
resource "compiler-rt" do
url "https://github.com/llvm/llvm-project/releases/download/llvmorg-9.0.1/compiler-rt-9.0.1.src.tar.xz"
sha256 "c2bfab95c9986318318363d7f371a85a95e333bc0b34fbfa52edbd3f5e3a9077"
end
resource "libcxx" do
url "https://github.com/llvm/llvm-project/releases/download/llvmorg-9.0.1/libcxx-9.0.1.src.tar.xz"
sha256 "0981ff11b862f4f179a13576ab0a2f5530f46bd3b6b4a90f568ccc6a62914b34"
end
resource "libunwind" do
url "https://github.com/llvm/llvm-project/releases/download/llvmorg-9.0.1/libunwind-9.0.1.src.tar.xz"
sha256 "535a106a700889274cc7b2f610b2dcb8fc4b0ea597c3208602d7d037141460f1"
end
resource "lld" do
url "https://github.com/llvm/llvm-project/releases/download/llvmorg-9.0.1/lld-9.0.1.src.tar.xz"
sha256 "86262bad3e2fd784ba8c5e2158d7aa36f12b85f2515e95bc81d65d75bb9b0c82"
end
resource "lldb" do
url "https://github.com/llvm/llvm-project/releases/download/llvmorg-9.0.1/lldb-9.0.1.src.tar.xz"
sha256 "8a7b9fd795c31a3e3cba6ce1377a2ae5c67376d92888702ce27e26f0971beb09"
end
resource "openmp" do
url "https://github.com/llvm/llvm-project/releases/download/llvmorg-9.0.1/openmp-9.0.1.src.tar.xz"
sha256 "5c94060f846f965698574d9ce22975c0e9f04c9b14088c3af5f03870af75cace"
end
resource "polly" do
url "https://github.com/llvm/llvm-project/releases/download/llvmorg-9.0.1/polly-9.0.1.src.tar.xz"
sha256 "9a4ac69df923230d13eb6cd0d03f605499f6a854b1dc96a9b72c4eb075040fcf"
end
resource "libcxxabi" do
on_linux do
url "https://github.com/llvm/llvm-project/releases/download/llvmorg-9.0.1/libcxxabi-9.0.1.src.tar.xz"
sha256 "e8f978aa4cfae2d7a0b4d89275637078557cca74b35c31b7283d4786948a8aac"
end
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/libcxxabi").install resource("libcxxabi") if OS.linux?
(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_LLVM_DYLIB=ON
-DLLVM_ENABLE_EH=ON
-DLLVM_ENABLE_FFI=ON
-DLLVM_ENABLE_RTTI=ON
-DLLVM_ENABLE_Z3_SOLVER=OFF
-DLLVM_INCLUDE_DOCS=OFF
-DLLVM_INSTALL_UTILS=ON
-DLLVM_OPTIMIZED_TABLEGEN=ON
-DLLVM_TARGETS_TO_BUILD=all
-DWITH_POLLY=ON
-DLLDB_USE_SYSTEM_DEBUGSERVER=ON
-DLLDB_DISABLE_PYTHON=1
-DLIBOMP_INSTALL_ALIASES=OFF
]
if MacOS.version >= :catalina
args << "-DFFI_INCLUDE_DIR=#{MacOS.sdk_path}/usr/include/ffi"
args << "-DFFI_LIBRARY_DIR=#{MacOS.sdk_path}/usr/lib"
else
args << "-DFFI_INCLUDE_DIR=#{Formula["libffi"].opt_include}"
args << "-DFFI_LIBRARY_DIR=#{Formula["libffi"].opt_lib}"
end
if OS.mac?
args << "-DLLVM_BUILD_EXTERNAL_COMPILER_RT=ON" if MacOS.version <= :mojave
args << "-DLLVM_CREATE_XCODE_TOOLCHAIN=ON"
args << "-DLLVM_ENABLE_LIBCXX=ON"
args << "-DDARWIN_osx_ARCHS=x86_64;x86_64h"
sdk = MacOS.sdk_path_if_needed
args << "-DDEFAULT_SYSROOT=#{sdk}" if sdk
end
if OS.linux?
args << "-DLLVM_BUILD_EXTERNAL_COMPILER_RT=ON"
args << "-DLLVM_CREATE_XCODE_TOOLCHAIN=OFF"
args << "-DLLVM_ENABLE_LIBCXX=OFF"
args << "-DCLANG_DEFAULT_CXX_STDLIB=libstdc++"
# Enable llvm gold plugin for LTO
args << "-DLLVM_BINUTILS_INCDIR=#{Formula["binutils"].opt_include}"
args += %w[
-DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=OFF
-DCMAKE_POSITION_INDEPENDENT_CODE=ON
-DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=ON
-DLIBCXX_STATICALLY_LINK_ABI_IN_SHARED_LIBRARY=OFF
-DLIBCXX_STATICALLY_LINK_ABI_IN_STATIC_LIBRARY=ON
-DLIBCXX_USE_COMPILER_RT=ON
-DLIBCXXABI_ENABLE_STATIC_UNWINDER=ON
-DLIBCXXABI_STATICALLY_LINK_UNWINDER_IN_SHARED_LIBRARY=OFF
-DLIBCXXABI_STATICALLY_LINK_UNWINDER_IN_STATIC_LIBRARY=ON
-DLIBCXXABI_USE_COMPILER_RT=ON
-DLIBCXXABI_USE_LLVM_UNWINDER=ON
-DLIBUNWIND_USE_COMPILER_RT=ON
]
end
mkdir "build" do
system "cmake", "-G", "Unix Makefiles", "..", *(std_cmake_args + args)
system "make"
system "make", "install"
system "make", "install-xcode-toolchain" if MacOS::Xcode.installed?
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".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
xz = if OS.mac?
"2.7"
else
"3.8"
end
(lib/"python#{xz}/site-packages").install buildpath/"bindings/python/llvm"
(lib/"python#{xz}/site-packages").install buildpath/"tools/clang/bindings/python/clang"
# install emacs modes
elisp.install Dir["utils/emacs/*.el"] + %w[
tools/clang/tools/clang-format/clang-format.el
tools/clang/tools/clang-rename/clang-rename.el
tools/clang/tools/extra/clang-include-fixer/tool/clang-include-fixer.el
]
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+\.?)+/]
args = [
"-L#{lib}",
"-fopenmp",
"-nobuiltininc",
"-I#{lib}/clang/#{clean_version}/include",
]
args << "-Wl,-rpath=#{lib}" if OS.linux?
system "#{bin}/clang", *args, "omptest.c", "-o", "omptest", *ENV["LDFLAGS"].split
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" if OS.mac?
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++",
"-rtlib=compiler-rt", "-L#{opt_lib}", "-Wl,-rpath,#{opt_lib}"
assert_includes (testpath/"testlibc++").dynamically_linked_libraries,
(opt_lib/shared_library("libc++", "1")).to_path
(testpath/"testlibc++").dynamically_linked_libraries.each do |lib|
refute_match(/libstdc\+\+/, lib)
refute_match(/libgcc/, lib)
refute_match(/libatomic/, lib)
end
assert_equal "Hello World!", shell_output("./testlibc++").chomp
if OS.linux?
# Link installed libc++, libc++abi, and libunwind archives both into
# a position independent executable (PIE), as well as into a fully
# position independent (PIC) DSO for things like plugins that export
# a C-only API but internally use C++.
#
# FIXME: It'd be nice to be able to use flags like `-static-libstdc++`
# together with `-stdlib=libc++` (the latter one we need anyways for
# headers) to achieve this but those flags don't set up the correct
# search paths or handle all of the libraries needed by `libc++` when
# linking statically.
system "#{bin}/clang++", "-v", "-o", "test_pie_runtimes",
"-pie", "-fPIC", "test.cpp", "-L#{opt_lib}",
"-stdlib=libc++", "-rtlib=compiler-rt",
"-static-libstdc++", "-lpthread", "-ldl"
assert_equal "Hello World!", shell_output("./test_pie_runtimes").chomp
(testpath/"test_pie_runtimes").dynamically_linked_libraries.each do |lib|
refute_match(/lib(std)?c\+\+/, lib)
refute_match(/libgcc/, lib)
refute_match(/libatomic/, lib)
refute_match(/libunwind/, lib)
end
(testpath/"test_plugin.cpp").write <<~EOS
#include <iostream>
__attribute__((visibility("default")))
extern "C" void run_plugin() {
std::cout << "Hello Plugin World!" << std::endl;
}
EOS
(testpath/"test_plugin_main.c").write <<~EOS
extern void run_plugin();
int main() {
run_plugin();
}
EOS
system "#{bin}/clang++", "-v", "-o", "test_plugin.so",
"-shared", "-fPIC", "test_plugin.cpp", "-L#{opt_lib}",
"-stdlib=libc++", "-rtlib=compiler-rt",
"-static-libstdc++", "-lpthread", "-ldl"
system "#{bin}/clang", "-v",
"test_plugin_main.c", "-o", "test_plugin_libc++",
"test_plugin.so", "-Wl,-rpath=#{testpath}", "-rtlib=compiler-rt"
assert_equal "Hello Plugin World!", shell_output("./test_plugin_libc++").chomp
(testpath/"test_plugin.so").dynamically_linked_libraries.each do |lib|
refute_match(/lib(std)?c\+\+/, lib)
refute_match(/libgcc/, lib)
refute_match(/libatomic/, lib)
refute_match(/libunwind/, lib)
end
end
(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 #{bin}/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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