09/11/2020 15:55, Ferruh Yigit:
> If the 'PKG_CONFIG_PATH' is set in the environment before script run,
> 32 bit still uses that value for 64-bits libraries.
>
> From the build log:
>
> "
> Using DPDK_TARGET i386-pc-linux-gnu
> meson -Dexamples=l3fwd --buildtype=debugoptimized --werror
> -Dc_args=-m32 -Dc_link_args=-m32
> /tmp/dpdk_maintain/self/dpdk/devtools/.. ./build-32b
> ...
> Using 'PKG_CONFIG_PATH' from environment with value:
> '/usr/local/lib64/pkgconfig/
> "
>
> This causes build error when linking with the found libraries.
>
> Reproduced with 'librte_bpf' which only has 64 bit installed but still
> enables building 'af_xdp' and link fails.
>
> To fix this, using default 'PKG_CONFIG_PATH' variable unless
> 'CUSTOM_PKG_CONFIG_PATH' set, and set the 'CUSTOM_PKG_CONFIG_PATH' for
> 32 bit build.
>
> Fixes: 9b83106d8784 ("devtools: test 32-bit build")
>
> Signed-off-by: Ferruh Yigit <ferruh.yi...@intel.com>
> ---
> Cc: Bruce Richardson <bruce.richard...@intel.com>
> Cc: Thomas Monjalon <tho...@monjalon.net>
>
> v2:
> * Enable overwriting default 'PKG_CONFIG_PATH' value
It was not my conclusion.
I think we can just reset all env vars.
