diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cmd/go/build.go | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/cmd/go/build.go b/src/cmd/go/build.go index 5f91227f15..e7046a9ef5 100644 --- a/src/cmd/go/build.go +++ b/src/cmd/go/build.go @@ -191,6 +191,21 @@ func runBuild(cmd *Command, args []string) { *buildO += exeSuffix } + // sanity check some often mis-used options + switch buildContext.Compiler { + case "gccgo": + if len(buildGcflags) != 0 { + fmt.Println("go build: when using gccgo toolchain, please pass compiler flags using -gccgoflags, not -gcflags") + } + if len(buildLdflags) != 0 { + fmt.Println("go build: when using gccgo toolchain, please pass linker flags using -gccgoflags, not -ldflags") + } + case "gc": + if len(buildGccgoflags) != 0 { + fmt.Println("go build: when using gc toolchain, please pass compile flags using -gcflags, and linker flags using -ldflags") + } + } + if *buildO != "" { if len(pkgs) > 1 { fatalf("go build: cannot use -o with multiple packages") @@ -1451,7 +1466,7 @@ func (tools gccgcToolchain) ld(b *builder, p *Package, out string, allactions [] if usesCgo && goos == "linux" { ldflags = append(ldflags, "-Wl,-E") } - return b.run(".", p.ImportPath, "gccgo", "-o", out, buildGccgoflags, ofiles, "-Wl,-(", ldflags, "-Wl,-)") + return b.run(".", p.ImportPath, "gccgo", "-o", out, ofiles, "-Wl,-(", ldflags, "-Wl,-)", buildGccgoflags) } func (gccgcToolchain) cc(b *builder, p *Package, objdir, ofile, cfile string) error { |