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When using -buildmode=c-archive or c-shared, and when installing packages that use cgo, and when those packages export some functions via //export comments, then for each such package, install a pkg.h header file that declares the functions. This permits C code to #include the header when calling the Go functions. This is a little awkward to use when there are multiple packages that export functions, as you have to "go install" your c-archive/c-shared object and then pull it out of the package directory. When compiling your C code you have to -I pkg/$GOOS_$GOARCH. I haven't thought of any more convenient approach. It's simpler when only the main package has exported functions. When using c-shared you currently have to use a _shared suffix in the -I option; it would be nice to fix that somehow. Change-Id: I5d8cf08914b7d3c2b194120c77791d2732ffd26e Reviewed-on: https://go-review.googlesource.com/9798 Reviewed-by: David Crawshaw <crawshaw@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> |
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