homebrew-core/Formula/libffi.rb

89 lines
3.2 KiB
Ruby

class Libffi < Formula
desc "Portable Foreign Function Interface library"
homepage "https://sourceware.org/libffi/"
url "https://github.com/libffi/libffi/releases/download/v3.4.4/libffi-3.4.4.tar.gz"
sha256 "d66c56ad259a82cf2a9dfc408b32bf5da52371500b84745f7fb8b645712df676"
license "MIT"
bottle do
sha256 cellar: :any, arm64_ventura: "66d9dcb218283c43250b04e507b7b96f0cf18fb1017fcaf811729324d11127f7"
sha256 cellar: :any, arm64_monterey: "e7ea0921a053dc81e818c3893887e819ed26c0e231fd306e05e905b51b9ea902"
sha256 cellar: :any, arm64_big_sur: "8d44b24963c114512934de23cc776a6190f5bcb65db8e6cc65e1b60122571747"
sha256 cellar: :any, ventura: "a86ed7eb1b02a3d44cd6e75977c910466357a1715743f89be94416d000577133"
sha256 cellar: :any, monterey: "9dd80c4c3d4451cc3216dbf1129a2bddec474aa9266b6bb5c603e0a6cce7605b"
sha256 cellar: :any, big_sur: "b5c4e2054802f97a68b8f32d9ff2c6782f9a37223cd0a3b3d2175ecf04740a4f"
sha256 cellar: :any, catalina: "1f53646211da139b423eb38f923bc38da1de86b7a68bfc2df5351098fe3c67e3"
sha256 cellar: :any_skip_relocation, x86_64_linux: "dcc9412995b5e319f64796a77b1eb8e684f1d1b6b5d7ac824f434ada692e4ff8"
end
head do
url "https://github.com/libffi/libffi.git", branch: "master"
depends_on "autoconf" => :build
depends_on "automake" => :build
depends_on "libtool" => :build
end
keg_only :provided_by_macos
def install
system "./autogen.sh" if build.head?
system "./configure", *std_configure_args
system "make", "install"
end
test do
(testpath/"closure.c").write <<~EOS
#include <stdio.h>
#include <ffi.h>
/* Acts like puts with the file given at time of enclosure. */
void puts_binding(ffi_cif *cif, unsigned int *ret, void* args[],
FILE *stream)
{
*ret = fputs(*(char **)args[0], stream);
}
int main()
{
ffi_cif cif;
ffi_type *args[1];
ffi_closure *closure;
int (*bound_puts)(char *);
int rc;
/* Allocate closure and bound_puts */
closure = ffi_closure_alloc(sizeof(ffi_closure), &bound_puts);
if (closure)
{
/* Initialize the argument info vectors */
args[0] = &ffi_type_pointer;
/* Initialize the cif */
if (ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
&ffi_type_uint, args) == FFI_OK)
{
/* Initialize the closure, setting stream to stdout */
if (ffi_prep_closure_loc(closure, &cif, puts_binding,
stdout, bound_puts) == FFI_OK)
{
rc = bound_puts("Hello World!");
/* rc now holds the result of the call to fputs */
}
}
}
/* Deallocate both closure, and bound_puts */
ffi_closure_free(closure);
return 0;
}
EOS
flags = ["-L#{lib}", "-lffi", "-I#{include}"]
system ENV.cc, "-o", "closure", "closure.c", *(flags + ENV.cflags.to_s.split)
system "./closure"
end
end