homebrew-core/Formula/lightning.rb
2017-10-20 14:10:54 +01:00

58 lines
1.8 KiB
Ruby

class Lightning < Formula
desc "Generates assembly language code at run-time"
homepage "https://www.gnu.org/software/lightning/"
url "https://ftp.gnu.org/gnu/lightning/lightning-2.1.2.tar.gz"
mirror "https://ftpmirror.gnu.org/lightning/lightning-2.1.2.tar.gz"
sha256 "9b289ed1c977602f9282da507db2e980dcfb5207ee8bd2501536a6852a157a69"
bottle do
cellar :any
sha256 "ed3fb8e5552f78ef17fa4a5eab54a69068113c28f50723e2a9d9fa68ca9a554d" => :high_sierra
sha256 "b3898ab467ddc57c03f72615e95fedadf4bbf249ba76ed9de8cc410efe58b114" => :sierra
sha256 "ddea1c93ea261eb8f49f998deb8769b8b67d44ec955e6dbbe8509d90f5ae9b6e" => :el_capitan
end
depends_on "binutils" => [:build, :optional]
def install
args = [
"--disable-dependency-tracking",
"--disable-silent-rules",
"--prefix=#{prefix}",
]
args << "--disable-disassembler" if build.without? "binutils"
system "./configure", *args
system "make", "check", "-j1"
system "make", "install"
end
test do
# from https://www.gnu.org/software/lightning/manual/lightning.html#incr
(testpath/"test.c").write <<~EOS
#include <stdio.h>
#include <lightning.h>
static jit_state_t *_jit;
typedef int (*pifi)(int);
int main(int argc, char *argv[]) {
jit_node_t *in;
pifi incr;
init_jit(argv[0]);
_jit = jit_new_state();
jit_prolog();
in = jit_arg();
jit_getarg(JIT_R0, in);
jit_addi(JIT_R0, JIT_R0, 1);
jit_retr(JIT_R0);
incr = jit_emit();
jit_clear_state();
printf("%d + 1 = %d\\n", 5, incr(5));
jit_destroy_state();
finish_jit();
return 0;
}
EOS
system ENV.cc, "test.c", "-L#{lib}", "-llightning", "-o", "test"
system "./test"
end
end