failed to build iconv-go with cgo when ccache enabled

[foqq...@gmail.com]

$ go build -x

WORK=/tmp/go-build160366351

mkdir -p $WORK/github.com/djimenez/iconv-go/_obj/

mkdir -p $WORK/github.com/djimenez/

cd /home/taoliu/gocode/src/github.com/djimenez/iconv-go

CGO_LDFLAGS="-g" "-O2" /usr/local/go/pkg/tool/linux_amd64/cgo -objdir $WORK/github.com/djimenez/iconv-go/_obj/ -- -I $WORK/github.com/djimenez/iconv-go/_obj/ converter.go

/usr/local/go/pkg/tool/linux_amd64/6c -F -V -w -trimpath $WORK -I $WORK/github.com/djimenez/iconv-go/_obj/ -I /usr/local/go/pkg/linux_amd64 -o $WORK/github.com/djimenez/iconv-go/_obj/_cgo_defun.6 -D GOOS_linux -D GOARCH_amd64 $WORK/github.com/djimenez/iconv-go/_obj/_cgo_defun.c

ccache -I . gcc -fPIC -m64 -pthread -fmessage-length=0 -print-libgcc-file-name

/usr/local/go/pkg/tool/linux_amd64/6g -o $WORK/github.com/djimenez/iconv-go.a -trimpath $WORK -p github.com/djimenez/iconv-go -D _/home/taoliu/gocode/src/github.com/djimenez/iconv-go -I $WORK -pack ./iconv.go ./reader.go ./writer.go

# github.com/djimenez/iconv-go

./reader.go:10: undefined: Converter

$ go version

go version go1.3 linux/amd64

$ uname -a

Linux todd-pc 3.2.0-56-generic #86-Ubuntu SMP Wed Oct 23 09:20:45 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

# My ccache configurations

export USE_CCACHE=1

export CCACHE_DIR=~/tmp/ccache

ccache -M 40G > /dev/null

export CC="ccache gcc"

export CXX="ccache g++"

[Dave Cheney]

Does the build work if you don't use ccache ?

[foqq...@gmail.com]

Yes, build succeeded if ccache was disabled

在 2014年9月25日星期四UTC+8下午12时09分49秒，Dave Cheney写道：

[Dave Cheney]

One pragmatic solution is to not use cache, but if that isn't acceptable, please post the entire output of go install -x so we can see exactly where the build process is going wrong.

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[foqq...@gmail.com]

Thanks for your advice. No ccache is acceptable for me. Actually it was enabled by accident (it's enabled in my env for a previous project which has a number of cpp files to compile).

在 2014年9月25日星期四UTC+8下午1时06分33秒，Dave Cheney写道：