* Package:    app-misc/dvorak7min-1.6.1
 * Repository: gentoo
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux split-usr userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking dvorak7min-1.6.1.tar.gz to /var/tmp/portage/app-misc/dvorak7min-1.6.1/work
>>> Source unpacked in /var/tmp/portage/app-misc/dvorak7min-1.6.1/work
>>> Preparing source in /var/tmp/portage/app-misc/dvorak7min-1.6.1/work/dvorak7min-1.6.1 ...
make -j1 clean 
rm -f dvorak7min.o lessons.o dvorak7min
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/app-misc/dvorak7min-1.6.1/work/dvorak7min-1.6.1 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/app-misc/dvorak7min-1.6.1/work/dvorak7min-1.6.1 ...
make -j1 CC=x86_64-pc-linux-gnu-gcc 'PROF=-O2 -pipe -march=native' 'LDFLAGS=-Wl,-O1 -Wl,--as-needed' 
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -Wall      -DLIMIT_LENGTH=1024   -c -o dvorak7min.o dvorak7min.c
x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -Wall      -DLIMIT_LENGTH=1024   -c -o lessons.o lessons.c
x86_64-pc-linux-gnu-gcc -Wl,-O1 -Wl,--as-needed -o dvorak7min dvorak7min.o lessons.o -lncurses
/usr/lib/gcc/x86_64-pc-linux-gnu/9.2.0/../../../../x86_64-pc-linux-gnu/bin/ld: dvorak7min.o: in function `importText':
dvorak7min.c:(.text+0x413): warning: `sys_errlist' is deprecated; use `strerror' or `strerror_r' instead
/usr/lib/gcc/x86_64-pc-linux-gnu/9.2.0/../../../../x86_64-pc-linux-gnu/bin/ld: dvorak7min.o: undefined reference to symbol 'COLS'
/usr/lib/gcc/x86_64-pc-linux-gnu/9.2.0/../../../../x86_64-pc-linux-gnu/bin/ld: /lib64/libtinfo.so.6: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
make: *** [Makefile:30: dvorak7min] Error 1
 * ERROR: app-misc/dvorak7min-1.6.1::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=app-misc/dvorak7min-1.6.1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=app-misc/dvorak7min-1.6.1::gentoo'`.
 * The complete build log is located at '/var/log/portage/app-misc:dvorak7min-1.6.1:20191209-131920.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/app-misc/dvorak7min-1.6.1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/app-misc/dvorak7min-1.6.1/temp/environment'.
 * Working directory: '/var/tmp/portage/app-misc/dvorak7min-1.6.1/work/dvorak7min-1.6.1'
 * S: '/var/tmp/portage/app-misc/dvorak7min-1.6.1/work/dvorak7min-1.6.1'