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我想在ubuntu 16.10上交叉编译ndn-cxx，以便在arduino yun上使用它。我正在关注这个steps。 当我尝试执行./waf命令我碰到下面的错误：为arduino yun交叉编译ndn-cxx
[ 30/141] Compiling src/security/sec-public-info-sqlite3.cpp
mips-openwrt-linux-musl-g++: warning: environment variable 'STAGING_DIR' not defined
cc1plus: error: one or more PCH files were found, but they were invalid
cc1plus: error: use -Winvalid-pch for more information
cc1plus: fatal error: /home/andrea/ndn-cxx-ndn-cxx-0.4.1/build/ndn-cxx.2: No such file or directory
compilation terminated.
Waf: Leaving directory `/home/andrea/ndn-cxx-ndn-cxx-0.4.1/build'
Build failed
-> task in 'ndn-cxx' failed (exit status 1):
{task 140640709384528: cxx sec-public-info-sqlite3.cpp -> sec-public-info-sqlite3.cpp.2.o}
['/home/andrea/openwrt/staging_dir/toolchain-mips_34kc_gcc-5.3.0_musl-1.1.16/bin/mips-openwrt-linux-musl-g++', '-std=c++11', '-O2', '-fPIC', '-include', '/home/andrea/ndn-cxx-ndn-cxx-0.4.1/build/ndn-cxx.2', '-I/home/andrea/ndn-cxx-ndn-cxx-0.4.1/build', '-I/home/andrea/ndn-cxx-ndn-cxx-0.4.1', '-I/home/andrea/ndn-cxx-ndn-cxx-0.4.1/build/src', '-I/home/andrea/ndn-cxx-ndn-cxx-0.4.1/src', '-I/home/andrea/openwrt/staging_dir/target-mips_34kc_musl-1.1.16/usr/include', '-DNDEBUG', '../src/security/sec-public-info-sqlite3.cpp', '-c', '-o', '/home/andrea/ndn-cxx-ndn-cxx-0.4.1/build/src/security/sec-public-info-sqlite3.cpp.2.o']
文件NDN-cxx.2是在显示目录和其命名NDN-cxx.2.gch。 你能帮我找到解决方案吗？谢谢。