error building nloptr on mac

[yina]

On my mac, I've installed nlopt with homebrew with the line.

brew install nlopt

The files are placed in /usr/local/Cellar/nlopt/2.4.2.

When I run

install.packages("nloptr")

I get the following errors

...
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
clang++ -I/usr/local/Cellar/r/3.2.3/R.framework/Resources/include -DNDEBUG -I/usr/local/include  -I/usr/local/opt/gettext/include -I/usr/local/opt/readline/include -I/usr/local/opt/openssl/include -I/usr/local/include  -I/usr/local/include   -fPIC  -g -O2  -c dummy.cpp -o dummy.o
clang -I/usr/local/Cellar/r/3.2.3/R.framework/Resources/include -DNDEBUG -I/usr/local/include  -I/usr/local/opt/gettext/include -I/usr/local/opt/readline/include -I/usr/local/opt/openssl/include -I/usr/local/include  -I/usr/local/include  -I/usr/local/Cellar/nlopt/2.4.2/include -fPIC  -g -O2  -c nloptr.c -o nloptr.o
clang++ -dynamiclib -Wl,-headerpad_max_install_names -undefined dynamic_lookup -single_module -multiply_defined suppress -L/usr/local/lib -L/usr/local/Cellar/r/3.2.3/R.framework/Resources/lib -L/usr/local/opt/gettext/lib -L/usr/local/opt/readline/lib -L/usr/local/opt/openssl/lib -L/usr/local/lib -o nloptr.so dummy.o nloptr.o -L/usr/local/Cellar/nlopt/2.4.2/lib -lnlopt -lm -F/usr/local/Cellar/r/3.2.3/R.framework/.. -framework R -lintl -Wl,-framework -Wl,CoreFoundation
ld: library not found for -lnlopt
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [nloptr.so] Error 1
ERROR: compilation failed for package ‘nloptr’
* removing ‘/usr/local/lib/R/3.2/site-library/nloptr’
* restoring previous ‘/usr/local/lib/R/3.2/site-library/nloptr’
Warning in install.packages :
  installation of package ‘nloptr’ had non-zero exit status

The downloaded source packages are in
    ‘/private/var/folders/x0/y0b_v56j1j79jr55r9yftj580000gn/T/RtmptXK02m/downloaded_packages’

The clang++ compilation clearly has the include and lib directories linked as per L/usr/local/Cellar/nlopt/2.4.2/lib. Help appreciated.

[yina]

I fixed the issue. The brew version was conflicting with the build. I had to uninstall the brew nlopt with

brew uninstall nlopt

and then when I ran

install.packages("nloptr")

the package installer correctly downloaded and installed nlopt.