Error: Failed to install doxygen

[justin@…]

I'm new to mac and linux- any help would be appreciated. My OS isEl Capitan Here is the error I get

Error: org.macports.configure for port doxygen returned: configure failure: command execution failed
Error: Failed to install doxygen
Please see the log file for port doxygen for details: 

Here is the log.

version:1
:debug:main Attempting ln -sf /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work /opt/local/var/macports/sources/rsync.macports.org/release/tarballs/ports/textproc/doxygen/work
:debug:main changing euid/egid - current euid: 0 - current egid: 0
:debug:main egid changed to: 501
:debug:main euid changed to: 502
:debug:main Executing org.macports.main (doxygen)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.archivefetch (doxygen)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.fetch (doxygen)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.checksum (doxygen)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.extract (doxygen)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:main Skipping completed org.macports.patch (doxygen)
:debug:main Privilege de-escalation not attempted as not running as root.
:debug:configure configure phase started at Mon Jan  4 20:28:44 EST 2016
:notice:configure --->  Configuring doxygen
:debug:configure Using compiler 'Xcode Clang'
:debug:configure Executing proc-pre-org.macports.configure-configure-0
:debug:configure Executing proc-pre-org.macports.configure-configure-1
:debug:configure Executing proc-pre-org.macports.configure-configure-2
:debug:configure Executing org.macports.configure (doxygen)
:debug:configure Environment: 
CC='/usr/bin/clang'
CC_PRINT_OPTIONS='YES'
CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/.CC_PRINT_OPTIONS'
CFLAGS='-pipe -Os'
CPATH='/opt/local/include'
CPPFLAGS='-I/opt/local/include'
CXX='/usr/bin/clang++'
CXXFLAGS='-pipe -Os -stdlib=libc++'
F77FLAGS='-m64'
F90FLAGS='-pipe -Os -m64'
FCFLAGS='-pipe -Os -m64'
FFLAGS='-pipe -Os'
INSTALL='/usr/bin/install -c'
LDFLAGS='-L/opt/local/lib -Wl,-headerpad_max_install_names'
LIBRARY_PATH='/opt/local/lib'
MACOSX_DEPLOYMENT_TARGET='10.11'
OBJC='/usr/bin/clang'
OBJCFLAGS='-pipe -Os'
OBJCXX='/usr/bin/clang++'
OBJCXXFLAGS='-pipe -Os -stdlib=libc++'
:debug:configure Assembled command: 'cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/doxygen-1.8.10" && /opt/local/bin/cmake -DCMAKE_INSTALL_PREFIX=/opt/local -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_COLOR_MAKEFILE=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_BUILD_WITH_INSTALL_RPATH=ON -DCMAKE_INSTALL_RPATH=/opt/local/lib -DCMAKE_INSTALL_NAME_DIR=/opt/local/lib -DCMAKE_SYSTEM_PREFIX_PATH="/opt/local;/usr" -DCMAKE_MODULE_PATH=/opt/local/share/cmake/Modules -DCMAKE_FIND_FRAMEWORK=LAST -Wno-dev -DCMAKE_C_FLAGS_RELEASE="-DNDEBUG" -DCMAKE_CXX_FLAGS_RELEASE="-DNDEBUG" -DCMAKE_OSX_ARCHITECTURES="x86_64" -DCMAKE_OSX_DEPLOYMENT_TARGET="10.11" -DCMAKE_OSX_SYSROOT="/" /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/doxygen-1.8.10'
:debug:configure Executing command line:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/doxygen-1.8.10" && /opt/local/bin/cmake -DCMAKE_INSTALL_PREFIX=/opt/local -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_COLOR_MAKEFILE=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_BUILD_WITH_INSTALL_RPATH=ON -DCMAKE_INSTALL_RPATH=/opt/local/lib -DCMAKE_INSTALL_NAME_DIR=/opt/local/lib -DCMAKE_SYSTEM_PREFIX_PATH="/opt/local;/usr" -DCMAKE_MODULE_PATH=/opt/local/share/cmake/Modules -DCMAKE_FIND_FRAMEWORK=LAST -Wno-dev -DCMAKE_C_FLAGS_RELEASE="-DNDEBUG" -DCMAKE_CXX_FLAGS_RELEASE="-DNDEBUG" -DCMAKE_OSX_ARCHITECTURES="x86_64" -DCMAKE_OSX_DEPLOYMENT_TARGET="10.11" -DCMAKE_OSX_SYSROOT="/" /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/doxygen-1.8.10 
:info:configure -- Could NOT find Threads (missing:  Threads_FOUND) 
:info:configure CMake Error at cmake/FindIconv.cmake:121 (MESSAGE):
:info:configure   Unable to determine iconv() signature
:info:configure Call Stack (most recent call first):
:info:configure   CMakeLists.txt:64 (find_package)
:info:configure 
:info:configure 
:info:configure -- Configuring incomplete, errors occurred!
:info:configure See also "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/doxygen-1.8.10/CMakeFiles/CMakeOutput.log".
:info:configure See also "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/doxygen-1.8.10/CMakeFiles/CMakeError.log".
:info:configure Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/doxygen-1.8.10" && /opt/local/bin/cmake -DCMAKE_INSTALL_PREFIX=/opt/local -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_COLOR_MAKEFILE=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_BUILD_WITH_INSTALL_RPATH=ON -DCMAKE_INSTALL_RPATH=/opt/local/lib -DCMAKE_INSTALL_NAME_DIR=/opt/local/lib -DCMAKE_SYSTEM_PREFIX_PATH="/opt/local;/usr" -DCMAKE_MODULE_PATH=/opt/local/share/cmake/Modules -DCMAKE_FIND_FRAMEWORK=LAST -Wno-dev -DCMAKE_C_FLAGS_RELEASE="-DNDEBUG" -DCMAKE_CXX_FLAGS_RELEASE="-DNDEBUG" -DCMAKE_OSX_ARCHITECTURES="x86_64" -DCMAKE_OSX_DEPLOYMENT_TARGET="10.11" -DCMAKE_OSX_SYSROOT="/" /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/work/doxygen-1.8.10 
:info:configure Exit code: 1
:error:configure org.macports.configure for port doxygen returned: configure failure: command execution failed
:debug:configure Error code: NONE
:debug:configure Backtrace: configure failure: command execution failed
    while executing
"portconfigure::configure_main org.macports.configure"
    ("eval" body line 1)
    invoked from within
"eval $procedure $targetname"
:info:configure Warning: targets not executed for doxygen: org.macports.activate org.macports.configure org.macports.build org.macports.destroot org.macports.install
:error:configure Failed to install doxygen
:debug:configure Registry error: getopt not registered as installed & active.
    invoked from within
"registry_active $subport"
    invoked from within
"$workername eval registry_active \$subport"
:notice:configure Please see the log file for port doxygen for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_textproc_doxygen/doxygen/main.log

[mf2k (Frank Schima)]

In the future, please use WikiFormatting, fill in the Port field and Cc the port maintainers (port info --maintainers doxygen), if any.