* Package:    x11-plugins/wmswallow-0.6.1-r1
 * Repository: gentoo
 * Maintainer: desktop-dock@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
make main
make[1]: Entering directory '/var/tmp/portage/x11-plugins/wmswallow-0.6.1-r1/work/wmswallow'
x86_64-pc-linux-gnu-gcc -march=native -Wformat -Werror=format-security -g0 -O2 -I/usr/X11R6/include -c wmswallow.c
wmswallow.c: In function ‘printlist’:
wmswallow.c:448:3: error: format not a string literal and no format arguments [-Werror=format-security]
   fprintf(stream, string);
   ^
wmswallow.c:452:7: error: format not a string literal and no format arguments [-Werror=format-security]
       fprintf(stream, stringlist[i]);
       ^
wmswallow.c: In function ‘main’:
wmswallow.c:235:9: warning: ignoring return value of ‘system’, declared with attribute warn_unused_result [-Wunused-result]
   system(execstring);
         ^
cc1: some warnings being treated as errors
Makefile:45: recipe for target 'wmswallow.o' failed
make[1]: *** [wmswallow.o] Error 1
make[1]: Leaving directory '/var/tmp/portage/x11-plugins/wmswallow-0.6.1-r1/work/wmswallow'
Makefile:19: recipe for target 'xfree' failed
make: *** [xfree] Error 2
 * ERROR: x11-plugins/wmswallow-0.6.1-r1::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=x11-plugins/wmswallow-0.6.1-r1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=x11-plugins/wmswallow-0.6.1-r1::gentoo'`.
 * The complete build log is located at '/var/log/log/build/x11-plugins/wmswallow-0.6.1-r1:20150327-112200.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/x11-plugins/wmswallow-0.6.1-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/x11-plugins/wmswallow-0.6.1-r1/temp/environment'.
 * Working directory: '/var/tmp/portage/x11-plugins/wmswallow-0.6.1-r1/work/wmswallow'
 * S: '/var/tmp/portage/x11-plugins/wmswallow-0.6.1-r1/work/wmswallow'