75 lines
2.2 KiB
Ruby
75 lines
2.2 KiB
Ruby
require 'formula'
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class Libffi < Formula
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homepage 'http://sourceware.org/libffi/'
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url 'http://mirrors.kernel.org/sources.redhat.com/libffi/libffi-3.0.13.tar.gz'
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mirror 'ftp://sourceware.org/pub/libffi/libffi-3.0.13.tar.gz'
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sha1 'f5230890dc0be42fb5c58fbf793da253155de106'
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keg_only :provided_by_osx, "Some formulae require a newer version of libffi."
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def install
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ENV.deparallelize # https://github.com/mxcl/homebrew/pull/19267
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ENV.universal_binary
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system "./configure", "--disable-debug", "--disable-dependency-tracking",
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"--prefix=#{prefix}"
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system "make install"
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end
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test do
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(testpath/'closure.c').write <<-TEST_SCRIPT.undent
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#include <stdio.h>
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#include <ffi.h>
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/* Acts like puts with the file given at time of enclosure. */
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void puts_binding(ffi_cif *cif, unsigned int *ret, void* args[],
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FILE *stream)
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{
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*ret = fputs(*(char **)args[0], stream);
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}
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int main()
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{
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ffi_cif cif;
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ffi_type *args[1];
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ffi_closure *closure;
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int (*bound_puts)(char *);
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int rc;
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/* Allocate closure and bound_puts */
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closure = ffi_closure_alloc(sizeof(ffi_closure), &bound_puts);
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if (closure)
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{
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/* Initialize the argument info vectors */
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args[0] = &ffi_type_pointer;
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/* Initialize the cif */
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if (ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
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&ffi_type_uint, args) == FFI_OK)
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{
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/* Initialize the closure, setting stream to stdout */
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if (ffi_prep_closure_loc(closure, &cif, puts_binding,
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stdout, bound_puts) == FFI_OK)
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{
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rc = bound_puts("Hello World!");
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/* rc now holds the result of the call to fputs */
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}
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}
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}
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/* Deallocate both closure, and bound_puts */
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ffi_closure_free(closure);
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return 0;
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}
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TEST_SCRIPT
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ENV['PKG_CONFIG_PATH'] = "#{opt_prefix}/lib/pkgconfig"
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flags = `pkg-config --cflags --libs libffi`.split + ENV.cflags.split
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system ENV.cc, "-o", "closure", "closure.c", *flags
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system "./closure"
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end
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end
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