>>> Emerging binary (1 of 11) net-wireless/madwimax-0.1.1
 * madwimax-0.1.1.tbz2 MD5 SHA1 size ;-) ...                             [ ok ]
>>> Extracting info
 * Could not find a usable .config in the kernel source directory.
 * Please ensure that /usr/src/linux points to a configured set of Linux sources.
 * If you are using KBUILD_OUTPUT, please set the environment var so that
 * it points to the necessary object directory so that it might find .config.
 * ERROR: net-wireless/madwimax-0.1.1 failed (setup phase):
 *   Kernel not configured; no .config found in /lib/modules/3.0.4-calculate/build
 * 
 * Call stack:
 *     ebuild.sh, line   89:  Called pkg_setup
 *   environment, line 3497:  Called linux-info_pkg_setup
 *   environment, line 2920:  Called check_extra_config
 *   environment, line  832:  Called require_configured_kernel
 *   environment, line 3713:  Called die
 * The specific snippet of code:
 *           die "Kernel not configured; no .config found in ${KV_OUT_DIR}";
 * 
 * If you need support, post the output of `emerge --info '=net-wireless/madwimax-0.1.1'`,
 * the complete build log and the output of `emerge -pqv '=net-wireless/madwimax-0.1.1'`.
 * The complete build log is located at '/var/calculate/tmp/portage/net-wireless/madwimax-0.1.1/temp/build.log'.
 * The ebuild environment file is located at '/var/calculate/tmp/portage/net-wireless/madwimax-0.1.1/temp/environment'.
 * Working directory: '/var/calculate/tmp/portage/net-wireless/madwimax-0.1.1'
 * S: '/var/calculate/tmp/portage/net-wireless/madwimax-0.1.1/work/madwimax-0.1.1'

>>> Failed to emerge net-wireless/madwimax-0.1.1, Log file:

>>>  '/var/calculate/tmp/portage/net-wireless/madwimax-0.1.1/temp/build.log'

 * Messages for package net-wireless/madwimax-0.1.1:

 * Could not find a usable .config in the kernel source directory.
 * Please ensure that /usr/src/linux points to a configured set of Linux sources.
 * If you are using KBUILD_OUTPUT, please set the environment var so that
 * it points to the necessary object directory so that it might find .config.
 * ERROR: net-wireless/madwimax-0.1.1 failed (setup phase):
 *   Kernel not configured; no .config found in /lib/modules/3.0.4-calculate/build
 * 
 * Call stack:
 *     ebuild.sh, line   89:  Called pkg_setup
 *   environment, line 3497:  Called linux-info_pkg_setup
 *   environment, line 2920:  Called check_extra_config
 *   environment, line  832:  Called require_configured_kernel
 *   environment, line 3713:  Called die
 * The specific snippet of code:
 *           die "Kernel not configured; no .config found in ${KV_OUT_DIR}";
 * 
 * If you need support, post the output of `emerge --info '=net-wireless/madwimax-0.1.1'`,
 * the complete build log and the output of `emerge -pqv '=net-wireless/madwimax-0.1.1'`.
 * The complete build log is located at '/var/calculate/tmp/portage/net-wireless/madwimax-0.1.1/temp/build.log'.
 * The ebuild environment file is located at '/var/calculate/tmp/portage/net-wireless/madwimax-0.1.1/temp/environment'.
 * Working directory: '/var/calculate/tmp/portage/net-wireless/madwimax-0.1.1'
 * S: '/var/calculate/tmp/portage/net-wireless/madwimax-0.1.1/work/madwimax-0.1.1'