homebrew-core/Formula/libffcall.rb
2019-12-21 09:32:26 -05:00

53 lines
1.7 KiB
Ruby

class Libffcall < Formula
desc "GNU Foreign Function Interface library"
homepage "https://www.gnu.org/software/libffcall/"
url "https://ftp.gnu.org/gnu/libffcall/libffcall-2.2.tar.gz"
mirror "https://ftpmirror.gnu.org/gnu/libffcall/libffcall-2.2.tar.gz"
sha256 "ebfa37f97b6c94fac24ecf3193f9fc829517cf81aee9ac2d191af993d73cb747"
bottle do
cellar :any
sha256 "02b522baa2d0f38a85e3a2bee8adb79644e8c834c486737b81a62945b9ec73d4" => :catalina
sha256 "e38d2a42a2ad191847e423028580245f4b84829e5c781f6d58ce7da9981da280" => :mojave
sha256 "d9f7db3318279d7dac5a162de3a251e96c3810be2e70fe8926d93e63b9849045" => :high_sierra
end
def install
ENV.deparallelize
system "./configure", "--disable-debug",
"--disable-dependency-tracking",
"--disable-silent-rules",
"--prefix=#{prefix}"
system "make"
system "make", "install"
end
test do
(testpath/"callback.c").write <<~EOS
#include <stdio.h>
#include <callback.h>
typedef char (*char_func_t) ();
void function (void *data, va_alist alist)
{
va_start_char(alist);
va_return_char(alist, *(char *)data);
}
int main() {
char *data = "abc";
callback_t callback = alloc_callback(&function, data);
printf("%s\\n%c\\n",
is_callback(callback) ? "true" : "false",
((char_func_t)callback)());
free_callback(callback);
return 0;
}
EOS
flags = ["-L#{lib}", "-lffcall", "-I#{lib}/libffcall-#{version}/include"]
system ENV.cc, "-o", "callback", "callback.c", *(flags + ENV.cflags.to_s.split)
output = shell_output("#{testpath}/callback")
assert_equal "true\na\n", output
end
end