diff options
Diffstat (limited to 'BUILD.gn')
| -rw-r--r-- | BUILD.gn | 51 |
1 files changed, 51 insertions, 0 deletions
@@ -146,12 +146,40 @@ rust_executable("deno") { } source_set("snapshot") { + sources = [ + "src/snapshot.cc", + ] + configs += [ ":deno_config" ] inputs = [ "$target_gen_dir/snapshot_deno.bin", ] deps = [ ":create_snapshot_deno", ] + + # snapshot.cc doesn't need to depend on libdeno, it just needs deno_buf. + include_dirs = [ "libdeno/" ] + + # src/snapshot.cc uses an assembly '.incbin' directive to embed the snapshot. + # This causes trouble when using sccache: since the snapshot file is not + # inlined by the c preprocessor, sccache doesn't take its contents into + # consideration, leading to false-positive cache hits. + # Maybe other caching tools have this issue too, but ccache is unaffected. + # Therefore, if a cc_wrapper is used that isn't ccache, include a generated + # header file that contains the the sha256 hash of the snapshot. + if (cc_wrapper != "" && cc_wrapper != "ccache") { + hash_h = "$target_gen_dir/bundle/hash.h" + inputs += [ hash_h ] + deps += [ ":bundle_hash_h" ] + if (is_win) { + cflags = [ "/FI" + rebase_path(hash_h, target_out_dir) ] + } else { + cflags = [ + "-include", + rebase_path(hash_h, target_out_dir), + ] + } + } } rust_executable("hyper_hello") { @@ -283,6 +311,29 @@ run_node("bundle") { ] } +action("bundle_hash_h") { + script = "//tools/sha256sum.py" + inputs = get_target_outputs(":bundle") + outputs = [ + "$target_gen_dir/bundle/hash.h", + ] + deps = [ + ":bundle", + ] + args = [ + "--format", + "__attribute__((__unused__)) static const int dummy_%s = 0;", + "--outfile", + rebase_path(outputs[0], root_build_dir), + ] + foreach(input, inputs) { + args += [ + "--infile", + rebase_path(input, root_build_dir), + ] + } +} + ts_flatbuffer("msg_ts") { sources = [ "src/msg.fbs", |