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require 'formula'
class Libffi < Formula
homepage 'http://sourceware.org/libffi/'
url 'http://mirrors.kernel.org/sources.redhat.com/libffi/libffi-3.0.13.tar.gz'
mirror 'ftp://sourceware.org/pub/libffi/libffi-3.0.13.tar.gz'
sha1 'f5230890dc0be42fb5c58fbf793da253155de106'
bottle do
cellar :any
sha1 "ab596256bb0dcd2c56ebde303dd163b58f00aa3a" => :yosemite
sha1 "b6a9696c2a58f34f37cf2bca5a652ee6982c3c14" => :mavericks
sha1 "421a0108078e79a1e32ccebea8eeadce0d0533db" => :mountain_lion
sha1 "c2ad5c7f63e06566494d92baa1e31c0c2190ea05" => :lion
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_osx, "Some formulae require a newer version of libffi."
def install
ENV.deparallelize # https://github.com/Homebrew/homebrew/pull/19267
ENV.universal_binary
system "./autogen.sh" if build.head?
system "./configure", "--disable-debug", "--disable-dependency-tracking",
"--prefix=#{prefix}"
system "make install"
end
test do
(testpath/'closure.c').write <<-TEST_SCRIPT.undent
#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;
}
TEST_SCRIPT
flags = ["-L#{lib}", "-lffi", "-I#{lib}/libffi-#{version}/include"]
system ENV.cc, "-o", "closure", "closure.c", *(flags + ENV.cflags.to_s.split)
system "./closure"
end
end
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