* Package:    x11-wm/cwm-5.6
 * Repository: gentoo
 * USE:        abi_x86_64 amd64 elibc_musl kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking cwm-5.6-xmw.tar.gz to /var/tmp/portage/x11-wm/cwm-5.6/work
>>> Source unpacked in /var/tmp/portage/x11-wm/cwm-5.6/work
>>> Preparing source in /var/tmp/portage/x11-wm/cwm-5.6/work/cwm-5.6 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/x11-wm/cwm-5.6/work/cwm-5.6 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/x11-wm/cwm-5.6/work/cwm-5.6 ...
make -j1 'CFLAGS=-O2 -pipe -march=native -D_GNU_SOURCE' CC=x86_64-gentoo-linux-musl-gcc 
x86_64-gentoo-linux-musl-gcc -c -O2 -pipe -march=native -D_GNU_SOURCE -I/usr/include/uuid -I/usr/include/freetype2 calmwm.c
calmwm.c: In function ‘sighdlr’:
calmwm.c:216:25: error: ‘WAIT_ANY’ undeclared (first use in this function)
  216 |   while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) > 0 ||
      |                         ^~~~~~~~
calmwm.c:216:25: note: each undeclared identifier is reported only once for each function it appears in
make: *** [Makefile:38: calmwm.o] Error 1
 * ERROR: x11-wm/cwm-5.6::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=x11-wm/cwm-5.6::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=x11-wm/cwm-5.6::gentoo'`.
 * The complete build log is located at '/var/log/portage/x11-wm:cwm-5.6:20200401-194625.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/x11-wm/cwm-5.6/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/x11-wm/cwm-5.6/temp/environment'.
 * Working directory: '/var/tmp/portage/x11-wm/cwm-5.6/work/cwm-5.6'
 * S: '/var/tmp/portage/x11-wm/cwm-5.6/work/cwm-5.6'