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glfw: ensure upstream submodule is cloned

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
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Stephen Gutekanst 2022-06-11 12:05:39 -07:00 • committed by Stephen Gutekanst
parent 96d240af1b
commit ab26356574
1 changed files with 15 additions and 0 deletions
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15
build.zig
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@ -53,6 +53,9 @@ pub fn link(b: *Builder, step: *std.build.LibExeObjStep, options: Options) void
} }
fn buildLibrary(b: *Builder, step: *std.build.LibExeObjStep, options: Options) *std.build.LibExeObjStep { fn buildLibrary(b: *Builder, step: *std.build.LibExeObjStep, options: Options) *std.build.LibExeObjStep {
// TODO(build-system): https://github.com/hexops/mach/issues/229#issuecomment-1100958939
ensureDependencySubmodule(b.allocator, "upstream") catch unreachable;
const main_abs = std.fs.path.join(b.allocator, &.{ thisDir(), "src/main.zig" }) catch unreachable; const main_abs = std.fs.path.join(b.allocator, &.{ thisDir(), "src/main.zig" }) catch unreachable;
const lib = b.addStaticLibrary("glfw", main_abs); const lib = b.addStaticLibrary("glfw", main_abs);
lib.setBuildMode(step.build_mode); lib.setBuildMode(step.build_mode);
@ -96,6 +99,18 @@ fn buildLibrary(b: *Builder, step: *std.build.LibExeObjStep, options: Options) *
return lib; return lib;
} }
fn ensureDependencySubmodule(allocator: std.mem.Allocator, path: []const u8) !void {
if (std.process.getEnvVarOwned(allocator, "NO_ENSURE_SUBMODULES")) |no_ensure_submodules| {
if (std.mem.eql(u8, no_ensure_submodules, "true")) return;
} else |_| {}
var child = std.ChildProcess.init(&.{ "git", "submodule", "update", "--init", path }, allocator);
child.cwd = thisDir();
child.stderr = std.io.getStdErr();
child.stdout = std.io.getStdOut();
_ = try child.spawnAndWait();
}
fn thisDir() []const u8 { fn thisDir() []const u8 {
return std.fs.path.dirname(@src().file) orelse "."; return std.fs.path.dirname(@src().file) orelse ".";
} }