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May 18, 2020 undefined reference to 'deflateEnd' | ||||
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Hi, I have some issues, the get this program working on ubuntu: ``` Dockerfile FROM ubuntu:focal RUN apt-get update && apt-get upgrade -y \ && apt-get install --no-install-recommends -y build-essential ldc dub zlib1g-dev COPY app.d /tmp/ RUN dub build --single /tmp/app.d -v ``` ``` app.d /+ dub.sdl: name "app" lflags "-lz" "-ldl" dflags "-static" +/ import std; void main(){} ``` Linker fails with error messages like these: /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/libphobos2-ldc.a(zlib.o):function _D3std4zlib8Compress5errorMFiZv: error: undefined reference to 'deflateEnd' /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/libphobos2-ldc.a(zlib.o):function _D3std4zlib8Compress6__dtorMFZv: error: undefined reference to 'deflateEnd' The actual link command looks right: /usr/bin/ldc2 -oftmp/.dub/build/application-debug-linux.posix-x86_64-ldc_2090-ED4668B88284A40FA4668246697CB2B5/app tmp/.dub/build/application-debug-linux.posix-x86_64-ldc_2090-ED4668B88284A40FA4668246697CB2B5/app.o -L--no-as-needed -L-lz -L-ldl -static -g Do you have an idea? Kind regards André |
May 18, 2020 Re: undefined reference to 'deflateEnd' | ||||
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Posted in reply to Andre Pany | On Monday, 18 May 2020 at 05:01:45 UTC, Andre Pany wrote: > Hi, > > I have some issues, the get this program working on ubuntu: > > ``` Dockerfile > FROM ubuntu:focal > > RUN apt-get update && apt-get upgrade -y \ > && apt-get install --no-install-recommends -y build-essential ldc dub zlib1g-dev > > COPY app.d /tmp/ > RUN dub build --single /tmp/app.d -v > ``` > > ``` app.d > /+ dub.sdl: > name "app" > lflags "-lz" "-ldl" > dflags "-static" > +/ > import std; > void main(){} > ``` > > Linker fails with error messages like these: > /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/libphobos2-ldc.a(zlib.o):function _D3std4zlib8Compress5errorMFiZv: error: undefined reference to 'deflateEnd' > /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/libphobos2-ldc.a(zlib.o):function _D3std4zlib8Compress6__dtorMFZv: error: undefined reference to 'deflateEnd' > > The actual link command looks right: > /usr/bin/ldc2 -oftmp/.dub/build/application-debug-linux.posix-x86_64-ldc_2090-ED4668B88284A40FA4668246697CB2B5/app tmp/.dub/build/application-debug-linux.posix-x86_64-ldc_2090-ED4668B88284A40FA4668246697CB2B5/app.o -L--no-as-needed -L-lz -L-ldl -static -g > > Do you have an idea? > > Kind regards > André NAME="Ubuntu" VERSION="18.04.4 LTS (Bionic Beaver)" Works for me on ubuntu when changed dflags to lflags: /+ dub.sdl: name "app" lflags "-lz" "-ldl" lflags "-static" +/ import std; void main(){} /usr/bin/dmd -c -of.dub/build/application-debug-linux.posix-x86_64-dmd_2089-1D31FAC5109A6D2373EAB3139BEB0877/app.o -debug -g -w -version=Have_app t.d -vcolumns Linking... /usr/bin/dmd -of.dub/build/application-debug-linux.posix-x86_64-dmd_2089-1D31FAC5109A6D2373EAB3139BEB0877/app .dub/build/application-debug-linux.posix-x86_64-dmd_2089-1D31FAC5109A6D2373EAB3139BEB0877/app.o -L--no-as-needed -L-lz -L-ldl -L-static -g Copying target from /tmp/test/.dub/build/application-debug-linux.posix-x86_64-dmd_2089-1D31FAC5109A6D2373EAB3139BEB0877/app to /tmp/test Running ./app |
May 18, 2020 Re: undefined reference to 'deflateEnd' | ||||
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Posted in reply to ikod | On Monday, 18 May 2020 at 06:02:03 UTC, ikod wrote:
> NAME="Ubuntu"
> VERSION="18.04.4 LTS (Bionic Beaver)"
>
> [...]
Thanks a lot.
Kind regards
André
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May 18, 2020 Re: undefined reference to 'deflateEnd' | ||||
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Posted in reply to Andre Pany | On Monday, 18 May 2020 at 07:33:29 UTC, Andre Pany wrote:
> On Monday, 18 May 2020 at 06:02:03 UTC, ikod wrote:
>> NAME="Ubuntu"
>> VERSION="18.04.4 LTS (Bionic Beaver)"
>>
>> [...]
>
> Thanks a lot.
>
> Kind regards
> André
Just discovered that we can import etc.c.zlib and use low level zlib directly
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