diff options
Diffstat (limited to 'src/cmd/cgo/doc.go')
| -rw-r--r-- | src/cmd/cgo/doc.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/cmd/cgo/doc.go b/src/cmd/cgo/doc.go index 0f9204d7f..c4868345c 100644 --- a/src/cmd/cgo/doc.go +++ b/src/cmd/cgo/doc.go @@ -23,6 +23,15 @@ the package. For example: // #include <errno.h> import "C" +CFLAGS and LDFLAGS may be defined with pseudo #cgo directives +within these comments to tweak the behavior of gcc. Values defined +in multiple directives are concatenated together. For example: + + // #cgo CFLAGS: -DPNG_DEBUG=1 + // #cgo LDFLAGS: -lpng + // #include <png.h> + import "C" + C identifiers or field names that are keywords in Go can be accessed by prefixing them with an underscore: if x points at a C struct with a field named "type", x._type accesses the field. |