homebrew-core/Formula/gnu-complexity.rb
2017-04-22 22:24:06 -07:00

52 lines
2 KiB
Ruby

class GnuComplexity < Formula
desc "Measures complexity of C source"
homepage "https://www.gnu.org/software/complexity"
url "https://ftp.gnu.org/gnu/complexity/complexity-1.10.tar.xz"
mirror "https://ftpmirror.gnu.org/complexity/complexity-1.10.tar.xz"
sha256 "6d378a3ef9d68938ada2610ce32f63292677d3b5c427983e8d72702167a22053"
bottle do
cellar :any
sha256 "3ea1d968a1eaa2ce6655fa8e33b721af3cd631075f960c6595ca68aecd0972c7" => :sierra
sha256 "89b7043d1f51fc6ff7a1e96f8ed23bbac73bbb7196a04851a2cf29475b0803f7" => :el_capitan
sha256 "35a8ac468a12565af95b82c75d6b45c9c55c27fa769244f0bd87ec69b10742b1" => :yosemite
sha256 "5aba079cba5a07f3e754019cd11ed767ab65cd6c4dcef33eea9e94b94bae19eb" => :mavericks
end
depends_on "autogen" => :run
depends_on "gcc" if MacOS.version <= :mavericks
# error: use of undeclared identifier '__noreturn__'
fails_with :clang if MacOS.version <= :mavericks
def install
system "./configure", "--disable-dependency-tracking",
"--disable-silent-rules",
"--prefix=#{prefix}"
system "make", "install"
end
test do
(testpath/"test.c").write <<-EOS.undent
void free_table(uint32_t *page_dir) {
// The last entry of the page directory is reserved. It points to the page
// table itself.
for (size_t i = 0; i < PAGE_TABLE_SIZE-2; ++i) {
uint32_t *page_entry = (uint32_t*)GETADDRESS(page_dir[i]);
for (size_t j = 0; j < PAGE_TABLE_SIZE; ++j) {
uintptr_t addr = (i<<20|j<<12);
if (addr == VIDEO_MEMORY_BEGIN ||
(addr >= KERNEL_START && addr < KERNEL_END)) {
continue;
}
if ((page_entry[j] & PAGE_PRESENT) == 1) {
free_frame(page_entry[j]);
}
}
}
free_frame((page_frame_t)page_dir);
}
EOS
system bin/"complexity", "-t", "3", "./test.c"
end
end