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cmd/cgo: don't emit #pragma declarations when using gccgo

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Update #5905

Don't emit #pragma cgo_ldflag and cgo_import_static
declarations that gccgo doesn't understand and can't use.

R=golang-dev, rsc, bradfitz
CC=golang-dev
https://golang.org/cl/11490043
This commit is contained in:
Ian Lance Taylor 2013-07-17 18:02:21 -07:00
parent 9094941a40
commit c5c52f072b
1 changed files with 5 additions and 2 deletions
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7
src/cmd/cgo/out.go
View file

@ -32,7 +32,7 @@ func (p *Package) writeDefs() {
fflg := creat(*objDir + "_cgo_flags") fflg := creat(*objDir + "_cgo_flags")
for k, v := range p.CgoFlags { for k, v := range p.CgoFlags {
fmt.Fprintf(fflg, "_CGO_%s=%s\n", k, strings.Join(v, " ")) fmt.Fprintf(fflg, "_CGO_%s=%s\n", k, strings.Join(v, " "))
if k == "LDFLAGS" { if k == "LDFLAGS" && !*gccgo {
for _, arg := range v { for _, arg := range v {
fmt.Fprintf(fc, "#pragma cgo_ldflag %q\n", arg) fmt.Fprintf(fc, "#pragma cgo_ldflag %q\n", arg)
} }
@ -105,7 +105,10 @@ func (p *Package) writeDefs() {
fmt.Fprintf(fm, "extern char %s[];\n", n.C) fmt.Fprintf(fm, "extern char %s[];\n", n.C)
fmt.Fprintf(fm, "void *_cgohack_%s = %s;\n\n", n.C, n.C) fmt.Fprintf(fm, "void *_cgohack_%s = %s;\n\n", n.C, n.C)
fmt.Fprintf(fc, "#pragma cgo_import_static %s\n", n.C) if !*gccgo {
fmt.Fprintf(fc, "#pragma cgo_import_static %s\n", n.C)
}
fmt.Fprintf(fc, "extern byte *%s;\n", n.C) fmt.Fprintf(fc, "extern byte *%s;\n", n.C)
cVars[n.C] = true cVars[n.C] = true