undefined reference to symbol 'deflate' , when I cross compile

[justdomyself]

I mv .a flie to my project, and crsoss compile my project, errors happend.

the full error messge below :

/opt/fsl-imx-x11/4.1.15-2.1.0/sysroots/x86_64-pokysdk-linux/usr/libexec/arm-poky-linux-gnueabi/gcc/arm-poky-linux-gnueabi/5.3.0/real-ld: libs/arm32/lib/libxlsxwriter.a(zip.c.o): undefined reference to symbol 'deflate'
/opt/fsl-imx-x11/4.1.15-2.1.0/sysroots/cortexa7hf-neon-poky-linux-gnueabi/lib/libz.so.1: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/mqt.dir/build.make:346: mqt] Error 1
make[1]: *** [CMakeFiles/Makefile2:76: CMakeFiles/mqt.dir/all] Error 2
make: *** [Makefile:84: all] Error 2
make failed???

[justdomyself]

the zlib is in my compiler, but it still has errors?

[jmcnamara]

You probably need to add the zlib library to your link commands with -lz or the equivalent in your Cmake file. See the following:

https://stackoverflow.com/questions/22337896/how-to-fix-undefined-references-to-inflate-deflate-functions

[justdomyself]

You probably need to add the zlib library to your link commands with -lz or the equivalent in your Cmake file. See the following:

https://stackoverflow.com/questions/22337896/how-to-fix-undefined-references-to-inflate-deflate-functions

I have add below line in my cmakelists.txt，but still has this error; target_link_libraries( ${TARGET} z)

[justdomyself]

You probably need to add the zlib library to your link commands with -lz or the equivalent in your Cmake file. See the following: https://stackoverflow.com/questions/22337896/how-to-fix-undefined-references-to-inflate-deflate-functions

I have add below line in my cmakelists.txt，but still has this error; target_link_libraries( ${TARGET} z)

I have resolve my question。

the problem is :

I install two toolchain , one is for imx6, the other is for imx8m。 they both has zlib ,but diffrent version。

1、when I build libxlsxwriter.a, I add absolute path into cmakelists.txt in line 221:

set(ZLIB_ROOT "/opt/fsl-imx-x11/4.1.15-2.1.0/sysroots/cortexa7hf-neon-poky-linux-gnueabi/usr/lib")

find_package(ZLIB "1.0" REQUIRED) list(APPEND LXW_PRIVATE_INCLUDE_DIRS ${ZLIB_INCLUDE_DIRS}) message("zlib version: " ${ZLIB_VERSION})

2、when I build my project , I add below line in my cmakelists.txt: target_link_libraries( ${TARGET} z)