srctree

Carl Åstholm parent d99e44a1 eee5400b
Account for dependency boundaries when duping headers

This is a temporary workaround that can be revered if/when 'path'lazy paths are updated to encode which build root they are relative to.

inlinesplit
lib/std/Build/Step/Compile.zig added: 31, removed: 8, total 23
@@ -264,8 +264,20 @@ pub const HeaderInstallation = union(enum) {
dest_rel_path: []const u8,
 
pub fn dupe(self: File, b: *std.Build) File {
// 'path' lazy paths are relative to the build root of some step, inferred from the step
// in which they are used. This means that we can't dupe such paths, because they may
// come from dependencies with their own build roots and duping the paths as is might
// cause the build script to search for the file relative to the wrong root.
// As a temporary workaround, we convert build root-relative paths to absolute paths.
// If/when the build-root relative paths are updated to encode which build root they are
// relative to, this workaround should be removed.
const duped_source: LazyPath = switch (self.source) {
.path => |root_rel| .{ .cwd_relative = b.pathFromRoot(root_rel) },
else => self.source.dupe(b),
};
 
return .{
.source = self.source.dupe(b),
.source = duped_source,
.dest_rel_path = b.dupePath(self.dest_rel_path),
};
}
@@ -293,8 +305,20 @@ pub const HeaderInstallation = union(enum) {
};
 
pub fn dupe(self: Directory, b: *std.Build) Directory {
// 'path' lazy paths are relative to the build root of some step, inferred from the step
// in which they are used. This means that we can't dupe such paths, because they may
// come from dependencies with their own build roots and duping the paths as is might
// cause the build script to search for the file relative to the wrong root.
// As a temporary workaround, we convert build root-relative paths to absolute paths.
// If/when the build-root relative paths are updated to encode which build root they are
// relative to, this workaround should be removed.
const duped_source: LazyPath = switch (self.source) {
.path => |root_rel| .{ .cwd_relative = b.pathFromRoot(root_rel) },
else => self.source.dupe(b),
};
 
return .{
.source = self.source.dupe(b),
.source = duped_source,
.dest_rel_path = b.dupePath(self.dest_rel_path),
.options = self.options.dupe(b),
};
@@ -492,9 +516,8 @@ pub fn installConfigHeader(cs: *Compile, config_header: *Step.ConfigHeader) void
/// module's include search path.
pub fn installLibraryHeaders(cs: *Compile, lib: *Compile) void {
assert(lib.kind == .lib);
const b = cs.step.owner;
for (lib.installed_headers.items) |installation| {
const installation_copy = installation.dupe(b);
const installation_copy = installation.dupe(lib.step.owner);
cs.installed_headers.append(installation_copy) catch @panic("OOM");
cs.addHeaderInstallationToIncludeTree(installation_copy);
installation_copy.getSource().addStepDependencies(&cs.step);
 
test/standalone/install_headers/build.zig added: 31, removed: 8, total 23
@@ -70,7 +70,7 @@ pub fn build(b: *std.Build) void {
run_exe.expectStdOutEqual("ABD12X");
test_step.dependOn(&run_exe.step);
 
const install_exe = b.addInstallArtifact(libfoo, .{
const install_libfoo = b.addInstallArtifact(libfoo, .{
.dest_dir = .{ .override = .{ .custom = "custom" } },
.h_dir = .{ .override = .{ .custom = "custom/include" } },
.implib_dir = .disabled,
@@ -94,6 +94,6 @@ pub fn build(b: *std.Build) void {
});
run_check_exists.setCwd(.{ .cwd_relative = b.getInstallPath(.prefix, "") });
run_check_exists.expectExitCode(0);
run_check_exists.step.dependOn(&install_exe.step);
run_check_exists.step.dependOn(&install_libfoo.step);
test_step.dependOn(&run_check_exists.step);
}