我无法在 R 3.3.0 上安装包 nloptr 1.0.4。消息如下：
> install.packages("nloptr")
Installing package into ‘/Users/fgomesbarros/Library/R/3.3/library
(as ‘lib’ is unspecified)
trying URL 'https://cran.revolutionanalytics.com/src/contrib/nloptr_1.0.4.tar.gz'
Content type 'application/octet-stream' length 353942 bytes (345 KB)
==================================================
downloaded 345 KB
* installing *source* package ‘nloptr’ ...
** package ‘nloptr’ successfully unpacked and MD5 sums checked
checking for g++... g++
checking whether the C++ compiler works... yes
checking for C++ compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking how to run the C++ preprocessor... g++ -E
checking whether we are using the GNU C++ compiler... (cached) yes
checking whether g++ accepts -g... (cached) yes
checking for pkg-config... yes
configure: Now testing for NLopt header file.
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking nlopt.h usability... yes
checking nlopt.h presence... yes
checking for nlopt.h... yes
configure: Suitable NLopt library found.
configure: creating ./config.status
config.status: creating src/Makevars
** libs
/usr/bin/clang++ -I/opt/local/Library/Frameworks/R.framework/Resources/include -DNDEBUG -I/opt/local/include -fPIC -pipe -Os -arch x86_64 -stdlib=libstdc++ -c dummy.cpp -o dummy.o
/usr/bin/clang -I/opt/local/Library/Frameworks/R.framework/Resources/include -DNDEBUG -I/opt/local/include -fPIC -pipe -Os -arch x86_64 -c nloptr.c -o nloptr.o
/usr/bin/clang++ -dynamiclib -Wl,-headerpad_max_install_names -undefined dynamic_lookup -single_module -multiply_defined suppress -L/opt/local/Library/Frameworks/R.framework/Resources/lib -L/opt/local/lib -Wl,-headerpad_max_install_names -o nloptr.so dummy.o nloptr.o -F/opt/local/Library/Frameworks/R.framework/.. -framework R -Wl,-framework -Wl,CoreFoundation
installing to /Users/fgomesbarros/Library/R/3.3/library/nloptr/libs
** R
** inst
** preparing package for lazy loading
** help
*** installing help indices
** building package indices
** installing vignettes
** testing if installed package can be loaded
Error in dyn.load(file, DLLpath = DLLpath, ...) :
unable to load shared object '/Users/fgomesbarros/Library/R/3.3/library/nloptr/libs/nloptr.so':
dlopen(/Users/fgomesbarros/Library/R/3.3/library/nloptr/libs/nloptr.so, 6): Symbol not found: _nlopt_add_equality_mconstraint
Referenced from: /Users/fgomesbarros/Library/R/3.3/library/nloptr/libs/nloptr.so
Expected in: flat namespace
in /Users/fgomesbarros/Library/R/3.3/library/nloptr/libs/nloptr.so
Error: loading failed
Execution halted
ERROR: loading failed
* removing ‘/Users/fgomesbarros/Library/R/3.3/library/nloptr’
* restoring previous ‘/Users/fgomesbarros/Library/R/3.3/library/nloptr’
Warning in install.packages :
installation of package ‘nloptr’ had non-zero exit status
The downloaded source packages are in
‘/private/var/folders/rz/dp6vmb39165406h9qv69q60c0000gn/T/RtmpLvLOmn/downloaded_packages’`
我的 R 版本是 3.3.0，如下所示：
> version
_
platform x86_64-apple-darwin12.6.0
arch x86_64
os darwin12.6.0
system x86_64, darwin12.6.0
status
major 3
minor 3.0
year 2016
month 05
day 03
svn rev 70573
language R
version.string R version 3.3.0 (2016-05-03)
nickname Supposedly Educational
有什么线索吗？
我还尝试在 R 的旧版本（2.3.3 和 2.3.4）中安装并遇到同样的问题。
提前致谢。