88 lines
3.1 KiB
Ruby
88 lines
3.1 KiB
Ruby
class Libffi < Formula
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desc "Portable Foreign Function Interface library"
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homepage "https://sourceware.org/libffi/"
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url "https://github.com/libffi/libffi/releases/download/v3.4.2/libffi-3.4.2.tar.gz"
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sha256 "540fb721619a6aba3bdeef7d940d8e9e0e6d2c193595bc243241b77ff9e93620"
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license "MIT"
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bottle do
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sha256 cellar: :any, arm64_monterey: "6a3605cff713d45e0500ef01c0f082d1b4d31d70cd2400b5856443050a44a056"
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sha256 cellar: :any, arm64_big_sur: "2166e9d5178197a84ec721b40e22d8c42e30bd0c4808bd38b1ca768eb03f62a5"
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sha256 cellar: :any, monterey: "d2cee9b7c8158cf7164fc58c4c5054e38898caefd5f902d36996e1c362d936bc"
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sha256 cellar: :any, big_sur: "a461f6ad21a23a725691385dbbec3eff958cf61d5282e84dc3f0483e307e1875"
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sha256 cellar: :any, catalina: "6dbeaf8209b24c0963a5c87cd99d68f8bf61ea532c1c55bec8467a621b64da1b"
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sha256 cellar: :any, mojave: "ebd8f12d294d0194f4bfd158cc20b454ff97c02def465cb4cd69eea621665033"
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sha256 cellar: :any_skip_relocation, x86_64_linux: "48e34a380ab065bda9191298bd3eefc895f1c2315d508cb83614eac01cf38301"
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end
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head do
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url "https://github.com/libffi/libffi.git"
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depends_on "autoconf" => :build
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depends_on "automake" => :build
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depends_on "libtool" => :build
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end
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keg_only :provided_by_macos
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def install
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system "./autogen.sh" if build.head?
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system "./configure", *std_configure_args
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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 <<~EOS
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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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EOS
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flags = ["-L#{lib}", "-lffi", "-I#{include}"]
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system ENV.cc, "-o", "closure", "closure.c", *(flags + ENV.cflags.to_s.split)
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system "./closure"
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end
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end
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