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cmd/go: swig recipe compiles .so to wrong location #5739

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slimsag opened this issue Jun 20, 2013 · 8 comments
Closed

cmd/go: swig recipe compiles .so to wrong location #5739

slimsag opened this issue Jun 20, 2013 · 8 comments
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Go1.2

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@slimsag
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slimsag commented Jun 20, 2013 

What steps will reproduce the problem?
If possible, include a link to a program on play.golang.org.
1. Place two files in $GOPATH/src/test:
    test.go (contains only one line 'package test')
    test.swigcxx (empty)
2. go install test
3. Receive the following:
go install test: open test-test-swigcxx.so: The system cannot find the file specified.


What is the expected output?
I expect the package to be installed properly (without error).

What do you see instead?
Output of go install -x is here:
http://play.golang.org/p/YurY-smzPE

Which compiler are you using (5g, 6g, 8g, gccgo)?
6g

Which operating system are you using?
Windows 64 bit.

Which version are you using?  (run 'go version')
go version devel +363b75191352 Thu Jun 20 10:29:38 2013 +1000 windows/amd64
@minux
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minux commented Jun 20, 2013

Comment 1:

cannot reproduce this on linux.
could you please do this:
go install -work -x
and go to the work directory and see if there is a test-test-swigcxx.so file?
you could try the final link step yourself and see if the required file is
generated:
gcc -I "C:\\Users\\stephen\\Desktop\\godev\\src\\test" -g -O2 -m64 -mthreads -o
test-test-swigcxx.so "test_wrap.o" -shared -lm -mthreads -lstdc++

@minux
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minux commented Jun 20, 2013

Comment 2:

Status changed to WaitingForReply.

@slimsag
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slimsag commented Jun 20, 2013

Comment 3:

I tried as you said.
After 'go install -work -x'; inside the $WORK directory; there is no
test-test-swigcxx.so file present.
If I enter $WORK\test\_obj and run the GCC command you pasted; the .so file is created
and go install works properly.
I will continue to try and debug further.

@slimsag
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slimsag commented Jun 20, 2013

Comment 4:

Upon 'go install -work -x' (with $GOPATH/pkg directory being empty):
    1. test-test-swigcxx.so ends up at $GOPATH/src/test/test-test-swigcxx.so
    2. There are no .so files in the $WORK directory.

@rsc
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rsc commented Jul 25, 2013

Comment 5:

Thank you for finding that. The problem is that the gcc command says
    -o test-test-swigcxx.so
but it needs to say -o $WORK/test/_obj/test-test-swigcxx.so.

Labels changed: added priority-later, go1.2, removed priority-triage.

Status changed to Accepted.

@ianlancetaylor
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Comment 6:

Owner changed to @ianlancetaylor.

Status changed to Started.

@ianlancetaylor
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Comment 7:

https://golang.org/cl/13352046

@ianlancetaylor
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Comment 8:

This issue was closed by revision 7f062fa.

Status changed to Fixed.

@rsc rsc added this to the Go1.2 milestone Apr 14, 2015
@rsc rsc removed the go1.2 label Apr 14, 2015
@golang golang locked and limited conversation to collaborators Jun 24, 2016
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@rsc @minux @slimsag @ianlancetaylor @gopherbot