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| author | Yuval Pavel Zholkover <paulzhol@gmail.com> | 2019-02-01 13:51:31 +0200 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2019-02-01 14:34:33 +0000 |
| commit | 6f4dc1ccf9735013fdb7cd044bda29d19bebb906 (patch) | |
| tree | adbc081d0ca4d6615b9eb57a8cc47aed5cbb02ea | |
| parent | faf187fb8e2ca074711ed254c72ffbaed4383c64 (diff) | |
| download | go-6f4dc1ccf9735013fdb7cd044bda29d19bebb906.tar.gz go-6f4dc1ccf9735013fdb7cd044bda29d19bebb906.zip | |
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
Update #27619
Change-Id: I78264ac5d8d17eeae89a982e89aac988eb22b286
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>
| -rw-r--r-- | src/cmd/cgo/out.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/cmd/cgo/out.go b/src/cmd/cgo/out.go index 1a6f17cedd..0cf8b174f8 100644 --- a/src/cmd/cgo/out.go +++ b/src/cmd/cgo/out.go @@ -777,6 +777,9 @@ 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. + // remove as part of #27619 (all: drop support for FreeBSD 10). + 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") @@ -1478,6 +1481,10 @@ __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. */ +/* remove as part of #27619 (all: drop support for FreeBSD 10). */ + +#pragma GCC diagnostic ignored "-Wunknown-pragmas" #pragma GCC diagnostic ignored "-Wpragmas" #pragma GCC diagnostic ignored "-Waddress-of-packed-member" |