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2c026e1b6b
* the "lib: {}" print didn't do anything. It turns out that the pkg-config
crate emits the necessary metadata for linking automatically. I had the
wrong format and didn't notice because something else did it correctly.
* gcc::Config is deprecated; the new name is Build.
* and the crate is now called cc, version 1.0.
Stuff found while looking at #11. Still haven't figured that issue out.
53 lines
2.3 KiB
Rust
53 lines
2.3 KiB
Rust
// This file is part of Moonfire NVR, a security camera digital video recorder.
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// Copyright (C) 2017 Scott Lamb <slamb@slamb.org>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// In addition, as a special exception, the copyright holders give
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// permission to link the code of portions of this program with the
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// OpenSSL library under certain conditions as described in each
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// individual source file, and distribute linked combinations including
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// the two.
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//
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// You must obey the GNU General Public License in all respects for all
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// of the code used other than OpenSSL. If you modify file(s) with this
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// exception, you may extend this exception to your version of the
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// file(s), but you are not obligated to do so. If you do not wish to do
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// so, delete this exception statement from your version. If you delete
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// this exception statement from all source files in the program, then
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// also delete it here.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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extern crate cc;
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extern crate pkg_config;
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fn main() {
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let libraries = [
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pkg_config::Config::new().atleast_version("54.1").probe("libavutil").unwrap(),
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pkg_config::Config::new().atleast_version("56.0").probe("libavcodec").unwrap(),
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pkg_config::Config::new().atleast_version("56.0").probe("libavformat").unwrap(),
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];
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let mut wrapper = cc::Build::new();
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for lib in &libraries {
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// Pass include paths on to gcc. It'd be nice if pkg-config allowed fetching CFLAGS and
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// passing that on; see <https://github.com/alexcrichton/pkg-config-rs/issues/43>. But
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// the include paths are likely all that's included/significant for compilation.
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for p in &lib.include_paths {
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wrapper.include(p);
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}
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}
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wrapper.file("wrapper.c").compile("libwrapper.a");
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}
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