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| author | Yuval Pavel Zholkover <paulzhol@gmail.com> | 2019-02-01 13:51:31 +0200 |
|---|---|---|
| committer | Brad Fitzpatrick <bradfitz@golang.org> | 2019-02-01 21:24:29 +0000 |
| commit | 4ae9e7f1667d0a7df157b47d9d2d1f4a3c67849d (patch) | |
| tree | 9bcfd6aa0e48786a93fbca6cfb72f12d1d62f446 | |
| parent | e104ebfeabf575d9e33bb56decd6eceb40f041ce (diff) | |
| download | go-4ae9e7f1667d0a7df157b47d9d2d1f4a3c67849d.tar.gz go-4ae9e7f1667d0a7df157b47d9d2d1f4a3c67849d.zip | |
[release-branch.go1.11] cmd/cgo: ignore unrecognized GCC warning group pragmas
CL 159859 causes build failure with old clang versions (3.4.1) on FreeBSD 10.3/10.4.
Update #29962
Reviewed-on: https://go-review.googlesource.com/c/160777
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
(cherry picked from commit 6f4dc1ccf9735013fdb7cd044bda29d19bebb906)
Change-Id: Ie78d552ea6494fe3c4059847b26c2a6e206f9515
Reviewed-on: https://go-review.googlesource.com/c/160780
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
| -rw-r--r-- | src/cmd/cgo/out.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/cmd/cgo/out.go b/src/cmd/cgo/out.go index bbed5d598f..1c36b80088 100644 --- a/src/cmd/cgo/out.go +++ b/src/cmd/cgo/out.go @@ -741,6 +741,8 @@ func (p *Package) writeExports(fgo2, fm, fgcc, fgcch io.Writer) { fmt.Fprintf(fgcc, "#include \"_cgo_export.h\"\n\n") // We use packed structs, but they are always aligned. + // The pragmas and address-of-packed-member are not recognized as warning groups in clang 3.4.1, so ignore unknown pragmas first. + fmt.Fprintf(fgcc, "#pragma GCC diagnostic ignored \"-Wunknown-pragmas\"\n") fmt.Fprintf(fgcc, "#pragma GCC diagnostic ignored \"-Wpragmas\"\n") fmt.Fprintf(fgcc, "#pragma GCC diagnostic ignored \"-Waddress-of-packed-member\"\n") @@ -1345,6 +1347,9 @@ __cgo_size_assert(double, 8) extern char* _cgo_topofstack(void); /* We use packed structs, but they are always aligned. */ +/* The pragmas and address-of-packed-member are not recognized as warning groups in clang 3.4.1, so ignore unknown pragmas first. */ + +#pragma GCC diagnostic ignored "-Wunknown-pragmas" #pragma GCC diagnostic ignored "-Wpragmas" #pragma GCC diagnostic ignored "-Waddress-of-packed-member" |