92 lines
3.2 KiB
Ruby
92 lines
3.2 KiB
Ruby
class IncludeWhatYouUse < Formula
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desc "Tool to analyze #includes in C and C++ source files"
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homepage "https://include-what-you-use.org/"
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url "https://include-what-you-use.org/downloads/include-what-you-use-0.13.src.tar.gz"
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sha256 "49294270aa64e8c04182369212cd919f3b3e0e47601b1f935f038c761c265bc9"
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bottle do
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sha256 "94a1fa82e1a198f0e7548cb7b4895303b52432eb83836ce84896cc5af6bd3340" => :catalina
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sha256 "0f91606b7d834d1969dea394674eafdd87c6ecbffb327a77c0d63c16574e89af" => :mojave
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sha256 "b7dbc7e9f3504f1902b9f63de1c802812729c2ae395c4d85b0dab5a10835bd60" => :high_sierra
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end
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depends_on "cmake" => :build
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depends_on "llvm" # include-what-you-use 0.13 is compatible with llvm 9.0
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uses_from_macos "ncurses"
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uses_from_macos "zlib"
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def install
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# We do not want to symlink clang or libc++ headers into HOMEBREW_PREFIX,
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# so install to libexec to ensure that the resource path, which is always
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# computed relative to the location of the include-what-you-use executable
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# and is not configurable, is also located under libexec.
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args = std_cmake_args + %W[
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-DCMAKE_INSTALL_PREFIX=#{libexec}
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-DCMAKE_PREFIX_PATH=#{Formula["llvm"].opt_lib}
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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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bin.write_exec_script Dir["#{libexec}/bin/*"]
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# include-what-you-use needs a copy of the clang and libc++ headers to be
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# located in specific folders under its resource path. These may need to be
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# updated when new major versions of llvm are released, i.e., by
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# incrementing the version of include-what-you-use or the revision of this
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# formula. This would be indicated by include-what-you-use failing to
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# locate stddef.h and/or stdlib.h when running the test block below.
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# https://clang.llvm.org/docs/LibTooling.html#libtooling-builtin-includes
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mkdir_p libexec/"lib/clang/#{Formula["llvm"].version}"
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cp_r Formula["llvm"].opt_lib/"clang/#{Formula["llvm"].version}/include",
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libexec/"lib/clang/#{Formula["llvm"].version}"
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mkdir_p libexec/"include"
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cp_r Formula["llvm"].opt_include/"c++", libexec/"include"
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end
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test do
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(testpath/"direct.h").write <<~EOS
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#include <stddef.h>
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size_t function() { return (size_t)0; }
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EOS
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(testpath/"indirect.h").write <<~EOS
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#include "direct.h"
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EOS
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(testpath/"main.c").write <<~EOS
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#include "indirect.h"
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int main() {
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return (int)function();
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}
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EOS
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expected_output = <<~EOS
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main.c should add these lines:
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#include "direct.h" // for function
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main.c should remove these lines:
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- #include "indirect.h" // lines 1-1
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The full include-list for main.c:
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#include "direct.h" // for function
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---
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EOS
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assert_match expected_output,
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shell_output("#{bin}/include-what-you-use main.c 2>&1", 4)
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(testpath/"main.cc").write <<~EOS
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#include <iostream>
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int main() {
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std::cout << "Hello, world!" << std::endl;
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return 0;
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}
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EOS
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expected_output = <<~EOS
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(main.cc has correct #includes/fwd-decls)
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EOS
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assert_match expected_output,
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shell_output("#{bin}/include-what-you-use main.cc 2>&1", 2)
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end
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end
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