求助 cmake编译Dlib库报错

[taozhiyaoyao12345]

Scanning dependencies of target dlib
[ 0%] Building CXX object CMakeFiles/dlib.dir/base64/base64_kernel_1.cpp.obj
In file included from /usr/local/arm/dlib-19.4/dlib/base64/base64_kernel_1.h:6,
from /usr/local/arm/dlib-19.4/dlib/base64/base64_kernel_1.cpp:6:
/usr/local/arm/dlib-19.4/dlib/base64/../algs.h:313: error: expected constructor, destructor, or type conversion before 'bool'
/usr/local/arm/dlib-19.4/dlib/base64/../algs.h:324: error: expected constructor, destructor, or type conversion before 'bool'
/usr/local/arm/dlib-19.4/dlib/base64/../algs.h:335: error: expected constructor, destructor, or type conversion before 'bool'
/usr/local/arm/dlib-19.4/dlib/base64/../algs.h:346: error: expected constructor, destructor, or type conversion before 'bool'
make[2]: *** [CMakeFiles/dlib.dir/base64/base64_kernel_1.cpp.obj] Error 1
make[1]: *** [CMakeFiles/dlib.dir/all] Error 2
make: *** [all] Error 2
root@ubuntu:/usr/local/arm/dlib-19.4/build#

[LubinLew]

需要将gcc升级到 4.8及以后的版本来支持C++11特性