* Package:    app-benchmarks/ioping-0.9
 * Repository: gentoo
 * Maintainer: jlec@gentoo.org shell-tools@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking ioping-0.9.tar.gz to /var/tmp/portage/app-benchmarks/ioping-0.9/work
>>> Source unpacked in /var/tmp/portage/app-benchmarks/ioping-0.9/work
>>> Preparing source in /var/tmp/portage/app-benchmarks/ioping-0.9/work/ioping-0.9 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/app-benchmarks/ioping-0.9/work/ioping-0.9 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/app-benchmarks/ioping-0.9/work/ioping-0.9 ...
make -j1 CC=x86_64-pc-linux-gnu-gcc PREFIX=/usr 
test ! -d .git || git describe --tags --dirty=+ | sed 's/^v//;s/-/./g' > version
x86_64-pc-linux-gnu-gcc -march=native -O2 -pipe -std=gnu99 -Wall -Wextra -pedantic  -DVERSION=\"0.9\" -c -Wl,-O1 -Wl,--as-needed -o ioping.o ioping.c
ioping.c: In function ‘parse_device’:
ioping.c:538:7: warning: implicit declaration of function ‘makedev’ [-Wimplicit-function-declaration]
   if (makedev(major, minor) != dev)
       ^
ioping.c:538:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (makedev(major, minor) != dev)
                             ^
x86_64-pc-linux-gnu-gcc -Wl,-O1 -Wl,--as-needed -o ioping ioping.o -march=native -O2 -pipe -std=gnu99 -Wall -Wextra -pedantic  -lm
ioping.o: In function `parse_device':
ioping.c:(.text+0x7e5): undefined reference to `makedev'
collect2: error: ld returned 1 exit status
Makefile:61: recipe for target 'ioping' failed
make: *** [ioping] Error 1
 * ERROR: app-benchmarks/ioping-0.9::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=app-benchmarks/ioping-0.9::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=app-benchmarks/ioping-0.9::gentoo'`.
 * The complete build log is located at '/var/log/portage/app-benchmarks:ioping-0.9:20160414-173839.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/app-benchmarks/ioping-0.9/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/app-benchmarks/ioping-0.9/temp/environment'.
 * Working directory: '/var/tmp/portage/app-benchmarks/ioping-0.9/work/ioping-0.9'
 * S: '/var/tmp/portage/app-benchmarks/ioping-0.9/work/ioping-0.9'