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cgo: Use -fno-eliminate-unused-debug-types when calling gcc to for dwarf stabs.

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This keeps debug symbols in for e.g. unreferenced enums.

Fixes #479

R=rsc
CC=golang-dev, waltermundt
https://golang.org/cl/181102
This commit is contained in:
Devon H. O'Dell 2010-01-06 15:45:08 -08:00 committed by Russ Cox
parent e05b381e79
commit 690fcacdd3
1 changed files with 1 additions and 0 deletions
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src/cmd/cgo/gcc.go
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@ -229,6 +229,7 @@ func (p *Prog) gccDebug(stdin []byte) (*dwarf.Data, string) {
"-Werror", // warnings are errors
"-o" + tmp, // write object to tmp
"-gdwarf-2", // generate DWARF v2 debugging symbols
"-fno-eliminate-unused-debug-types", // gets rid of e.g. untyped enum otherwise
"-c", // do not link
"-xc", // input language is C
"-", // read input from standard input