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zig build: 2 improvements

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* `linkLibrary` will make the target depend on libc if the source does
 * when building C source file(s), don't try to generate .h files
This commit is contained in:
Andrew Kelley 2019-02-25 14:27:03 -05:00
parent 6003b1ea70
commit 33cbb29def
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GPG Key ID: 7C5F548F728501A9
1 changed files with 5 additions and 1 deletions
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6
std/build.zig
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@ -1011,6 +1011,10 @@ pub const LibExeObjStep = struct {
self.full_path_libs.append(lib.getOutputPath()) catch unreachable;
}
if (lib.link_libs.exists("c")) {
self.link_libs.put("c") catch unreachable;
}
// TODO should be some kind of isolated directory that only has this header in it
self.include_dirs.append(self.builder.cache_root) catch unreachable;
self.need_flat_namespace_hack = true;
@ -1266,7 +1270,7 @@ pub const LibExeObjStep = struct {
zig_args.append(output_lib_path) catch unreachable;
}
if (self.kind != Kind.Exe) {
if (self.kind != Kind.Exe and self.root_src != null) {
const output_h_path = self.getOutputHPath();
zig_args.append("--output-h") catch unreachable;
zig_args.append(builder.pathFromRoot(output_h_path)) catch unreachable;