init_nloptr.c:35:10: fatal error: 'nlopt.h' file not found
#include "nlopt.h"
^~~~~~~~~
1 error generated.
make: *** [init_nloptr.o] Error 1
ERROR: compilation failed for package 'nloptr'
* removing '/Library/Frameworks/R.framework/Versions/3.5/Resources/library/nloptr'
Warning in install.packages :
installation of package 'nloptr' had non-zero exit status
当我安装需要安装 mi 包的 nloptr 包时收到此错误消息。
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