On Wednesday, March 18, 2020 at 11:59:38 AM UTC-4, Ian Lance Taylor wrote:
>
> On Wed, Mar 18, 2020 at 5:18 AM Mohamed Mahmoud <mmahmo...@gmail.com
> <javascript:>> wrote:
> >
> > On Wednesday, March 18, 2020 at 8:01:27 AM UTC-4, Mohamed Mahmoud wrote:
> >>
> >>
> >>> It doesn't look like the -ldflags option is getting through to the
> linker. Try
> >>> go build "-ldflags=all=-w -extldflags=-lmabain -v"
> >>>
> >>> Ian
> >>
> >>
> >> I tried the new format however it still can't link mabain lib and I get
> the same errors
> >>
> >> Step 25/26 : RUN cd ${MABAIN_SRC}/; go build -x -i "-ldflags=all=-w
> -extldflags=-lmabain -v"
> >>
> >> ---> Running in 90e992e27f6b
> >>
> >> WORK=/tmp/go-build678792509
> >>
> >> mkdir -p $WORK/b001/
> >>
> >> swig -version
> >>
> >> cd $WORK
> >>
> >> /usr/local/go/pkg/tool/linux_amd64/compile -o ./b001/_go_.o -trimpath
> "$WORK/b001=>" -p main -complete -goversion go1.13 -D _$WORK -c=4
> ./swig_intsize.go
> >>
> >> cd /mabain_src
> >>
> >> swig -go -cgo -intgosize 64 -module mabain -o
> $WORK/b001/mabain_wrap.cxx -outdir $WORK/b001/ -c++ mabain.swigcxx
> >>
> >> CGO_LDFLAGS='"-g" "-O2"' /usr/local/go/pkg/tool/linux_amd64/cgo -objdir
> $WORK/b001/ -importpath _/mabain_src -- -I $WORK/b001/ -g -O2
> $WORK/b001/_mabain_swig.go
> >>
> >> cd $WORK
> >>
> >> gcc -fno-caret-diagnostics -c -x c - -o /dev/null || true
> >>
> >> gcc -Qunused-arguments -c -x c - -o /dev/null || true
> >>
> >> gcc -fdebug-prefix-map=a=b -c -x c - -o /dev/null || true
> >>
> >> gcc -gno-record-gcc-switches -c -x c - -o /dev/null || true
> >>
> >> cd $WORK/b001
> >>
> >> TERM='dumb' gcc -I /mabain_src -fPIC -m64 -pthread -fmessage-length=0
> -fdebug-prefix-map=$WORK/b001=/tmp/go-build -gno-record-gcc-switches -I ./
> -g -O2 -o ./_x001.o -c _cgo_export.c
> >>
> >> TERM='dumb' gcc -I /mabain_src -fPIC -m64 -pthread -fmessage-length=0
> -fdebug-prefix-map=$WORK/b001=/tmp/go-build -gno-record-gcc-switches -I ./
> -g -O2 -o ./_x002.o -c _mabain_swig.cgo2.c
> >>
> >> cd $WORK
> >>
> >> g++ -fno-caret-diagnostics -c -x c - -o /dev/null || true
> >>
> >> g++ -Qunused-arguments -c -x c - -o /dev/null || true
> >>
> >> g++ -fdebug-prefix-map=a=b -c -x c - -o /dev/null || true
> >>
> >> g++ -gno-record-gcc-switches -c -x c - -o /dev/null || true
> >>
> >> cd /mabain_src
> >>
> >> TERM='dumb' g++ -I . -fPIC -m64 -pthread -fmessage-length=0
> -fdebug-prefix-map=$WORK/b001=/tmp/go-build -gno-record-gcc-switches -I
> $WORK/b001/ -g -O2 -o $WORK/b001/_x003.o -c mabain_c_interface.cpp
> >>
> >> cd $WORK/b001
> >>
> >> TERM='dumb' g++ -I /mabain_src -fPIC -m64 -pthread -fmessage-length=0
> -fdebug-prefix-map=$WORK/b001=/tmp/go-build -gno-record-gcc-switches -I ./
> -g -O2 -o ./_x004.o -c mabain_wrap.cxx
> >>
> >> TERM='dumb' gcc -I /mabain_src -fPIC -m64 -pthread -fmessage-length=0
> -fdebug-prefix-map=$WORK/b001=/tmp/go-build -gno-record-gcc-switches -I ./
> -g -O2 -o ./_cgo_main.o -c _cgo_main.c
> >>
> >> cd /mabain_src
> >>
> >> TERM='dumb' g++ -I . -fPIC -m64 -pthread -fmessage-length=0
> -fdebug-prefix-map=$WORK/b001=/tmp/go-build -gno-record-gcc-switches -o
> $WORK/b001/_cgo_.o $WORK/b001/_cgo_main.o $WORK/b001/_x001.o
> $WORK/b001/_x002.o $WORK/b001/_x003.o $WORK/b001/_x004.o -g -O2
> >>
> >> # _/mabain_src
> >>
> >> /tmp/go-build678792509/b001/_x003.o: In function `mbOpen':
> >>
> >> ./mabain_c_interface.cpp:10: undefined reference to
> `mabain::CONSTS::ReaderOptions()'
> >
> >
> > root@70c73d4a4f01:/# go version
> >
> > go version go1.13 linux/amd64
> >
> > root@70c73d4a4f01:/# swig -version
> >
> >
> > SWIG Version 3.0.12
> >
> >
> > Compiled with g++ [x86_64-pc-linux-gnu]
> >
> >
> > Configured options: +pcre
> >
> >
> > Please see http://www.swig.org for reporting bugs and further
> information
>
>
> Oh, sorry, I see now that this is failing in the cgo step, not the link
> step.
>
> Try adding this to your Go file:
>
> // #cgo LDFLAGS: -lmabain
> import "C"
>
> Ian
>
Step 25/26 : RUN cd ${MABAIN_SRC}/; go build -x "-ldflags=all=-w
-extldflags=-lmabain -v"
---> Running in e570e7fe65fa
WORK=/tmp/go-build247647361
*can't load package: package .: use of cgo in test
/mabain_src/mabain_test.go not supported*
The command '/bin/sh -c cd ${MABAIN_SRC}/; go build -x "-ldflags=all=-w
-extldflags=-lmabain -v"' returned a non-zero code: 1
MMAHMOUD-M-45WX:golang mohamedmahmoud$ git diff mabain_test.go
*diff --git a/swig/golang/mabain_test.go b/swig/golang/mabain_test.go*
*index 3b5be36..d2bc605 100644*
*--- a/swig/golang/mabain_test.go*
*+++ b/swig/golang/mabain_test.go*
@@ -1,14 +1,16 @@
package mabain
+// #cgo LDFLAGS: -lmabain
import (
+ "C"
"fmt"
- "testing"
"os"
+ "testing"
)
const (
MABAIN_PATH = "/var/tmp/mabain_test"
- COUNT = 100
+ COUNT = 100
)
I thought we can use either SWIG or CGO but not both ?
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