server ~ # cat /var/tmp/portage/sys-apps/gptfdisk-0.8.8/temp/build.log 
 * Package:    sys-apps/gptfdisk-0.8.8 
 * Repository: gentoo 
 * Maintainer: alexxy@gentoo.org 
 * USE:        amd64 elibc_glibc icu kernel_linux ncurses userland_GNU 
 * FEATURES:   preserve-libs sandbox userpriv usersandbox 
>>> Unpacking source... 
>>> Unpacking gptfdisk-0.8.8.tar.gz to /var/tmp/portage/sys-apps/gptfdisk-0.8.8/work 
>>> Source unpacked in /var/tmp/portage/sys-apps/gptfdisk-0.8.8/work 
>>> Preparing source in /var/tmp/portage/sys-apps/gptfdisk-0.8.8/work/gptfdisk-0.8.8 ... 
Package icu-io was not found in the pkg-config search path. 
Perhaps you should add the directory containing `icu-io.pc' 
to the PKG_CONFIG_PATH environment variable 
No package 'icu-io' found 
Package icu-uc was not found in the pkg-config search path. 
Perhaps you should add the directory containing `icu-uc.pc' 
to the PKG_CONFIG_PATH environment variable 
No package 'icu-uc' found 
>>> Source prepared. 
>>> Configuring source in /var/tmp/portage/sys-apps/gptfdisk-0.8.8/work/gptfdisk-0.8.8 ... 
>>> Source configured. 
>>> Compiling source in /var/tmp/portage/sys-apps/gptfdisk-0.8.8/work/gptfdisk-0.8.8 ... 
make -j5 
x86_64-pc-linux-gnu-g++ -march=native -O2 -mtune=generic -pipe -Wall -D_FILE_OFFSET_BITS=64 -D USE_UTF16   -c -o crc32.o crc32.cc 
x86_64-pc-linux-gnu-g++ -march=native -O2 -mtune=generic -pipe -Wall -D_FILE_OFFSET_BITS=64 -D USE_UTF16   -c -o support.o support.cc 
x86_64-pc-linux-gnu-g++ -march=native -O2 -mtune=generic -pipe -Wall -D_FILE_OFFSET_BITS=64 -D USE_UTF16   -c -o guid.o guid.cc 
x86_64-pc-linux-gnu-g++ -march=native -O2 -mtune=generic -pipe -Wall -D_FILE_OFFSET_BITS=64 -D USE_UTF16   -c -o gptpart.o gptpart.cc 
x86_64-pc-linux-gnu-g++ -march=native -O2 -mtune=generic -pipe -Wall -D_FILE_OFFSET_BITS=64 -D USE_UTF16   -c -o mbrpart.o mbrpart.cc 
gptpart.cc:19:28: fatal error: unicode/ustdio.h: No such file or directory 
compilation terminated. 
make: *** [gptpart.o] Error 1 
make: *** Waiting for unfinished jobs.... 
 * ERROR: sys-apps/gptfdisk-0.8.8::gentoo failed (compile phase): 
 *   emake failed 
 * 
 * If you need support, post the output of `emerge --info '=sys-apps/gptfdisk-0.8.8::gentoo'`, 
 * the complete build log and the output of `emerge -pqv '=sys-apps/gptfdisk-0.8.8::gentoo'`. 
 * The complete build log is located at '/var/tmp/portage/sys-apps/gptfdisk-0.8.8/temp/build.log'. 
 * The ebuild environment file is located at '/var/tmp/portage/sys-apps/gptfdisk-0.8.8/temp/environment'. 
 * Working directory: '/var/tmp/portage/sys-apps/gptfdisk-0.8.8/work/gptfdisk-0.8.8' 
 * S: '/var/tmp/portage/sys-apps/gptfdisk-0.8.8/work/gptfdisk-0.8.8'