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Revert "all: build: fix sdkPath for relative @src.file / fix autocompletion with ZLS / IDEs (#661)"

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This reverts commit a1fe671db8.

Lue suggested reverting #661 because ZLS worked around the issue of @src
being relative in that environment: https://github.com/zigtools/zls/pull/898

This is not a perfect solution (what zls did seems to be a workaround), but
is good enough for us until Zig gets an official package manager.
This commit is contained in:
Stephen Gutekanst 2023-01-10 01:43:50 -07:00 • committed by Stephen Gutekanst
parent 7d246e76b3
commit a750e31d11
17 changed files with 325 additions and 925 deletions
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103
libs/basisu/build.zig
View file

@ -1,21 +1,14 @@
const std = @import("std");
const Builder = std.build.Builder;
const basisu_root = "/upstream/basisu";
const basisu_root = sdkPath("/upstream/basisu");
var cached_pkg: ?std.build.Pkg = null;
pub fn pkg(b: *Builder) std.build.Pkg {
if (cached_pkg == null) {
cached_pkg = .{
.name = "basisu",
.source = .{ .path = sdkPath(b, "/src/main.zig") },
.dependencies = &.{},
};
}
return cached_pkg.?;
}
pub const pkg = std.build.Pkg{
.name = "basisu",
.source = .{
.path = "src/main.zig",
},
};
pub const Options = struct {
encoder: ?EncoderOptions,
@ -39,10 +32,10 @@ pub fn build(b: *Builder) void {
}
pub fn testStep(b: *Builder, mode: std.builtin.Mode, target: std.zig.CrossTarget) *std.build.RunStep {
const main_tests = b.addTestExe("basisu-tests", sdkPath(b, "/src/main.zig"));
const main_tests = b.addTestExe("basisu-tests", sdkPath("/src/main.zig"));
main_tests.setBuildMode(mode);
main_tests.setTarget(target);
main_tests.main_pkg_path = sdkPath(b, "/");
main_tests.main_pkg_path = sdkPath("/");
link(b, main_tests, target, .{
.encoder = .{},
.transcoder = .{},
@ -54,13 +47,13 @@ pub fn testStep(b: *Builder, mode: std.builtin.Mode, target: std.zig.CrossTarget
pub fn link(b: *Builder, step: *std.build.LibExeObjStep, target: std.zig.CrossTarget, options: Options) void {
if (options.encoder) |encoder_options| {
step.linkLibrary(buildEncoder(b, target, encoder_options));
step.addCSourceFile(sdkPath(b, "/src/encoder/wrapper.cpp"), &.{});
step.addIncludePath(sdkPath(b, basisu_root ++ "/encoder"));
step.addCSourceFile(sdkPath("/src/encoder/wrapper.cpp"), &.{});
step.addIncludePath(basisu_root ++ "/encoder");
}
if (options.transcoder) |transcoder_options| {
step.linkLibrary(buildTranscoder(b, target, transcoder_options));
step.addCSourceFile(sdkPath(b, "/src/transcoder/wrapper.cpp"), &.{});
step.addIncludePath(sdkPath(b, basisu_root ++ "/transcoder"));
step.addCSourceFile(sdkPath("/src/transcoder/wrapper.cpp"), &.{});
step.addIncludePath(basisu_root ++ "/transcoder");
}
}
@ -71,11 +64,10 @@ pub fn buildEncoder(b: *Builder, target: std.zig.CrossTarget, options: EncoderOp
const encoder = b.addStaticLibrary("basisu-encoder", null);
encoder.setTarget(target);
encoder.linkLibCpp();
inline for (encoder_sources) |encoder_source| {
encoder.addCSourceFile(sdkPath(b, encoder_source), &.{});
}
encoder.addCSourceFiles(
encoder_sources,
&.{},
);
encoder.defineCMacro("BASISU_FORCE_DEVEL_MESSAGES", "0");
encoder.defineCMacro("BASISD_SUPPORT_KTX2_ZSTD", "0");
@ -91,11 +83,10 @@ pub fn buildTranscoder(b: *Builder, target: std.zig.CrossTarget, options: Transc
const transcoder = b.addStaticLibrary("basisu-transcoder", null);
transcoder.setTarget(target);
transcoder.linkLibCpp();
inline for (transcoder_sources) |transcoder_source| {
transcoder.addCSourceFile(sdkPath(b, transcoder_source), &.{});
}
transcoder.addCSourceFiles(
transcoder_sources,
&.{},
);
transcoder.defineCMacro("BASISU_FORCE_DEVEL_MESSAGES", "0");
transcoder.defineCMacro("BASISD_SUPPORT_KTX2_ZSTD", "0");
@ -110,59 +101,19 @@ fn ensureDependencySubmodule(allocator: std.mem.Allocator, path: []const u8) !vo
if (std.mem.eql(u8, no_ensure_submodules, "true")) return;
} else |_| {}
var child = std.ChildProcess.init(&.{ "git", "submodule", "update", "--init", path }, allocator);
child.cwd = sdkPathAllocator(allocator, "/");
child.cwd = sdkPath("/");
child.stderr = std.io.getStdErr();
child.stdout = std.io.getStdOut();
_ = try child.spawnAndWait();
}
const unresolved_dir = (struct {
inline fn unresolvedDir() []const u8 {
return comptime std.fs.path.dirname(@src().file) orelse ".";
}
}).unresolvedDir();
fn thisDir(allocator: std.mem.Allocator) []const u8 {
if (comptime unresolved_dir[0] == '/') {
return unresolved_dir;
}
const cached_dir = &(struct {
var cached_dir: ?[]const u8 = null;
}).cached_dir;
if (cached_dir.* == null) {
cached_dir.* = std.fs.cwd().realpathAlloc(allocator, unresolved_dir) catch unreachable;
}
return cached_dir.*.?;
}
inline fn sdkPath(b: *Builder, comptime suffix: []const u8) []const u8 {
return sdkPathAllocator(b.allocator, suffix);
}
inline fn sdkPathAllocator(allocator: std.mem.Allocator, comptime suffix: []const u8) []const u8 {
return sdkPathInternal(allocator, suffix.len, suffix[0..suffix.len].*);
}
fn sdkPathInternal(allocator: std.mem.Allocator, comptime len: usize, comptime suffix: [len]u8) []const u8 {
fn sdkPath(comptime suffix: []const u8) []const u8 {
if (suffix[0] != '/') @compileError("suffix must be an absolute path");
if (comptime unresolved_dir[0] == '/') {
return unresolved_dir ++ @as([]const u8, &suffix);
}
const cached_dir = &(struct {
var cached_dir: ?[]const u8 = null;
}).cached_dir;
if (cached_dir.* == null) {
cached_dir.* = std.fs.path.resolve(allocator, &.{ thisDir(allocator), suffix[1..] }) catch unreachable;
}
return cached_dir.*.?;
return comptime blk: {
const root_dir = std.fs.path.dirname(@src().file) orelse ".";
break :blk root_dir ++ suffix;
};
}
const transcoder_sources = &[_][]const u8{