homebrew-core/Formula/libffi.rb

93 lines
3.0 KiB
Ruby

class Libffi < Formula
desc "Portable Foreign Function Interface library"
homepage "https://sourceware.org/libffi/"
url "https://sourceware.org/pub/libffi/libffi-3.3.tar.gz"
mirror "https://deb.debian.org/debian/pool/main/libf/libffi/libffi_3.3.orig.tar.gz"
mirror "https://github.com/libffi/libffi/releases/download/v3.3/libffi-3.3.tar.gz"
sha256 "72fba7922703ddfa7a028d513ac15a85c8d54c8d67f55fa5a4802885dc652056"
license "MIT"
bottle do
cellar :any
sha256 "dd94d39946f53a8f11f78e998f22e46be9666bb265f80bb4714d5d63c1e16a68" => :catalina
sha256 "d6e5efd7521676dfc58fcba567514b898091c8580df4d6253f5dd40a7ee67c82" => :mojave
sha256 "7065f0d426921fa069c2494beded9de61e8720954f3f346103c8f871daa4ff8b" => :high_sierra
end
head do
url "https://github.com/atgreen/libffi.git"
depends_on "autoconf" => :build
depends_on "automake" => :build
depends_on "libtool" => :build
end
keg_only :provided_by_macos
def install
# This can be removed in the future when libffi properly detects the CPU on ARM.
# https://github.com/libffi/libffi/issues/571#issuecomment-655223391
extra_args = []
extra_args << "--build=aarch64-apple-darwin#{`uname -r`.chomp}" if Hardware::CPU.arm?
system "./autogen.sh" if build.head?
system "./configure", "--disable-debug", "--disable-dependency-tracking",
"--prefix=#{prefix}", *extra_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