我有2个yocto pkgs，可以使用gcc 5.4，cmake 3.6.1在yocto 2.0.2上成功编译，但我面临以下问题：gcc 6.3，cmake 3.6.1 on yocto 2.4。< / p>
经过一些研究，我观察到yocto改变了sysroot结构（每个包的sysroot而不是常见的sysroot）。 错误如下所示：
CMake Warning at src/mytest/CMakeLists.txt:71 (add_executable):
Cannot generate a safe linker search path for target mytest because
files in some directories may conflict with libraries in implicit
directories:
link library [libpthread.so] in /local/build2/tmp/work/corei7-64-poky-linux/mytest/recipe-sysroot/usr/lib may be hidden by files in:
/local/build2/tmp/work/corei7-64-poky-linux/mylib/recipe-sysroot/usr/lib
Some of these libraries may not be found correctly.
导致链接错误：ld: cannot find /lib/libpthread.so.0
我在一些cmake生成的文件中观察到mylib包使用硬编码的pkg名称导出其库，稍后将由test pkg使用：
set_target_properties(mylib PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "/usr/include/;/{_IMPORT_PREFIX}/include"
INTERFACE_LINK_LIBRARIES "-lpthread; mylib; /local/build2/tmp/work/corei7-64-poky-linux/mylib/recipe-sysroot/usr/lib/libpthread.so;"
)
有没有办法避免这种重复？或者从cmake生成的文件中删除完整路径？