homebrew-core/Formula/lightning.rb
2019-10-04 11:45:07 -04:00

52 lines
1.7 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-2.1.3.tar.gz"
mirror "https://ftpmirror.gnu.org/lightning/lightning-2.1.3.tar.gz"
sha256 "ed856b866dc6f68678dc1151579118fab1c65fad687cf847fc2d94ca045efdc9"
bottle do
cellar :any
sha256 "543bb685d72b8e9b10b14f3dcd615d38f8f499d10e1d27e40604240fc3f65ac3" => :catalina
sha256 "c767959e901e6f47f9bbfe243e629508edbdb138376443d7943c4c4a5a52d4f2" => :mojave
sha256 "da42166b5dd858cad42eeb7fc69a9ef870d23b67da6fa978d4bc58d3a464a0d4" => :high_sierra
end
depends_on "binutils" => :build
def install
system "./configure", "--disable-dependency-tracking",
"--disable-silent-rules", "--prefix=#{prefix}"
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