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agra
2026-02-09 21:00:53 +02:00
parent 949137fdec
commit 96886aaa43
2 changed files with 51 additions and 16 deletions
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12
.github/workflows/build.yml vendored
View File

@@ -17,15 +17,21 @@ jobs:
with:
version: master # pin to a specific version once stable
- name: Download LLVM 18
run: |
Invoke-WebRequest -Uri "https://github.com/vovkos/llvm-package-windows/releases/download/llvm-18.1.8/llvm-18.1.8-windows-amd64-msvc17-msvcrt.7z" -OutFile "$env:TEMP\llvm.7z"
7z x "$env:TEMP\llvm.7z" -oC:\LLVM
- name: Verify LLVM
run: |
& "C:\Program Files\LLVM\bin\llvm-config.exe" --version
Get-ChildItem C:\LLVM -Recurse -Name "*.lib" | Select-Object -First 5
Get-ChildItem C:\LLVM -Directory
- name: Build
run: zig build -Dstatic-llvm -Dllvm-prefix="C:\Program Files\LLVM"
run: zig build -Dstatic-llvm -Dllvm-prefix="C:\LLVM\llvm-18.1.8-windows-amd64-msvc17-msvcrt"
- name: Test
run: zig build test -Dstatic-llvm -Dllvm-prefix="C:\Program Files\LLVM"
run: zig build test -Dstatic-llvm -Dllvm-prefix="C:\LLVM\llvm-18.1.8-windows-amd64-msvc17-msvcrt"
- name: Upload artifact
uses: actions/upload-artifact@v4

55
build.zig
View File

@@ -1,4 +1,5 @@
const std = @import("std");
const builtin = @import("builtin");
const math = @import("math");
pub fn build(b: *std.Build) void {
@@ -27,21 +28,49 @@ pub fn build(b: *std.Build) void {
});
if (static_llvm) {
// Query llvm-config for the static libraries needed
const libs_raw = std.mem.trim(u8, b.run(&.{ llvm_config, "--libs", "--link-static" }), " \t\n\r");
var libs_it = std.mem.tokenizeAny(u8, libs_raw, " \t\n\r");
while (libs_it.next()) |flag| {
if (flag.len > 2 and std.mem.startsWith(u8, flag, "-l")) {
mod.linkSystemLibrary(flag[2..], .{ .preferred_link_mode = .static });
if (builtin.os.tag == .windows) {
// Windows: no llvm-config available; enumerate LLVM .lib files directly
var dir = std.fs.openDirAbsolute(lib_dir, .{ .iterate = true }) catch
@panic("Cannot open LLVM lib directory");
defer dir.close();
var it = dir.iterate();
while (it.next() catch null) |entry| {
if (entry.kind == .file and
std.mem.startsWith(u8, entry.name, "LLVM") and
std.mem.endsWith(u8, entry.name, ".lib"))
{
mod.linkSystemLibrary(
entry.name[0 .. entry.name.len - 4],
.{ .preferred_link_mode = .static },
);
}
}
// Windows system libraries LLVM depends on
const win_syslibs = [_][]const u8{
"advapi32", "shell32", "ole32", "uuid",
"psapi", "version", "ntdll", "ws2_32",
"dbghelp",
};
for (&win_syslibs) |syslib| {
mod.linkSystemLibrary(syslib, .{});
}
} else {
// Unix: query llvm-config for the static libraries needed
const libs_raw = std.mem.trim(u8, b.run(&.{ llvm_config, "--libs", "--link-static" }), " \t\n\r");
var libs_it = std.mem.tokenizeAny(u8, libs_raw, " \t\n\r");
while (libs_it.next()) |flag| {
if (flag.len > 2 and std.mem.startsWith(u8, flag, "-l")) {
mod.linkSystemLibrary(flag[2..], .{ .preferred_link_mode = .static });
}
}
}
// System libraries LLVM depends on (zlib, zstd, curses, etc.)
const syslibs_raw = std.mem.trim(u8, b.run(&.{ llvm_config, "--system-libs", "--link-static" }), " \t\n\r");
var syslibs_it = std.mem.tokenizeAny(u8, syslibs_raw, " \t\n\r");
while (syslibs_it.next()) |flag| {
if (flag.len > 2 and std.mem.startsWith(u8, flag, "-l")) {
mod.linkSystemLibrary(flag[2..], .{});
// System libraries LLVM depends on (zlib, zstd, curses, etc.)
const syslibs_raw = std.mem.trim(u8, b.run(&.{ llvm_config, "--system-libs", "--link-static" }), " \t\n\r");
var syslibs_it = std.mem.tokenizeAny(u8, syslibs_raw, " \t\n\r");
while (syslibs_it.next()) |flag| {
if (flag.len > 2 and std.mem.startsWith(u8, flag, "-l")) {
mod.linkSystemLibrary(flag[2..], .{});
}
}
}