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5d56586a00
Without this, compiler errors such as: configure:33440: i586-poky-linux-gcc -march=i586 --sysroot=/media/build2/builds/rptest/b2/tmp/sysroots/qemux86 -o conftest -D_REENTRANT -Wl,-O1 -Wl,--as-needed conftest.c -lpthread >&5 /media/build2/builds/rptest/b2/tmp/sysroots/x86_64-linux/usr/libexec/i586-poky-linux/gcc/i586-poky-linux/4.6.0/as: /media/build2/builds/rptest/b2/tmp/sysroots/x86_64-linux/usr/bin/i586-poky-linux/../../../usr/lib/libz.so.1: no version information available (required by /media/build2/builds/rptest/b2/tmp/sysroots/x86_64-linux/usr/libexec/i586-poky-linux/gcc/i586-poky-linux/4.6.0/as) /media/build2/builds/rptest/b2/tmp/sysroots/x86_64-linux/usr/libexec/i586-poky-linux/gcc/i586-poky-linux/4.6.0/ld: /media/build2/builds/rptest/b2/tmp/sysroots/x86_64-linux/usr/bin/i586-poky-linux/../../../usr/lib/libz.so.1: no version information available (required by /media/build2/builds/rptest/b2/tmp/sysroots/x86_64-linux/usr/libexec/i586-poky-linux/gcc/i586-poky-linux/4.6.0/ld) can be see. This is due to the compiler being built against the system zlib, before zlib-native is built and in the sysroot. Once that has been built it can confuse the linker depending on the relative library versions. (From OE-Core rev: a04d50a0318cd16d5fb02a625d739e03b94e42b7) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>