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Diffstat (limited to 'src/cmd/cgo/doc.go')
-rw-r--r-- | src/cmd/cgo/doc.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/cmd/cgo/doc.go b/src/cmd/cgo/doc.go index ca18c45d9d..b3f371b08c 100644 --- a/src/cmd/cgo/doc.go +++ b/src/cmd/cgo/doc.go @@ -112,6 +112,13 @@ The default C and C++ compilers may be changed by the CC and CXX environment variables, respectively; those environment variables may include command line options. +The cgo tool will always invoke the C compiler with the source file's +directory in the include path; i.e. -I${SRCDIR} is always implied. This +means that if a header file foo/bar.h exists both in the source +directory and also in the system include directory (or some other place +specified by a -I flag), then "#include <foo/bar.h>" will always find the +local version in preference to any other version. + The cgo tool is enabled by default for native builds on systems where it is expected to work. It is disabled by default when cross-compiling. You can control this by setting the CGO_ENABLED |