homebrew-core/Formula/lightning.rb
2016-09-27 08:35:58 -04:00

60 lines
1.9 KiB
Ruby

class Lightning < Formula
desc "Generates assembly language code at run-time"
homepage "https://www.gnu.org/software/lightning/"
url "https://ftpmirror.gnu.org/lightning/lightning-2.1.0.tar.gz"
mirror "https://ftp.gnu.org/gnu/lightning/lightning-2.1.0.tar.gz"
sha256 "1fa3a2421852598b3162d6765645bb3cd0fccb5f0c105d0800c64c8428b749a6"
bottle do
cellar :any
rebuild 2
sha256 "0f8883b4b47ad82796587ec62285c371144d733cbe795db4e9b7c09872a6ebad" => :sierra
sha256 "34f86d2f39e14f17aaf7fe51e84351f86f23ce4898b1e200694917f24ac7db55" => :el_capitan
sha256 "985f3b7ba1060b88eb98698dd912d24c11a874dc949b9ffc221bff310a98736f" => :yosemite
sha256 "816ac38c2ef65ba50247b9c31ad310f610ef26c490be12cb3fb03f4ef5418b6e" => :mavericks
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.undent
#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