* Package:    net-analyzer/nttcp-1.47-r3
 * Repository: gentoo
 * Maintainer: netmon@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_musl kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking nttcp-1.47.tar.gz to /var/tmp/portage/net-analyzer/nttcp-1.47-r3/work
>>> Source unpacked in /var/tmp/portage/net-analyzer/nttcp-1.47-r3/work
>>> Preparing source in /var/tmp/portage/net-analyzer/nttcp-1.47-r3/work/nttcp-1.47 ...
 * Applying nttcp-1.47-format-security.patch ...
 [ ok ]
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/net-analyzer/nttcp-1.47-r3/work/nttcp-1.47 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/net-analyzer/nttcp-1.47-r3/work/nttcp-1.47 ...
make -j1 ARCH= CC=x86_64-gentoo-linux-musl-gcc 'LFLAGS=-Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0' 'OPT=-O2 -pipe -march=native' 
x86_64-gentoo-linux-musl-gcc     -O2 -pipe -march=native -DVERSION=\"1.47\"   -c -o nttcp.o nttcp.c
In file included from nttcp.c:34:
/usr/include/sys/signal.h:1:2: warning: #warning redirecting incorrect #include <sys/signal.h> to <signal.h> [-Wcpp]
    1 | #warning redirecting incorrect #include <sys/signal.h> to <signal.h>
      |  ^~~~~~~
nttcp.c: In function ‘SigCld’:
nttcp.c:383:12: error: ‘SIGCLD’ undeclared (first use in this function); did you mean ‘SIGCHLD’?
  383 |     signal(SIGCLD, SigCld);
      |            ^~~~~~
      |            SIGCHLD
nttcp.c:383:12: note: each undeclared identifier is reported only once for each function it appears in
nttcp.c: In function ‘main’:
nttcp.c:1205:9: error: ‘SIGCLD’ undeclared (first use in this function); did you mean ‘SIGCHLD’?
 1205 |  signal(SIGCLD, SigCld);
      |         ^~~~~~
      |         SIGCHLD
make: *** [<builtin>: nttcp.o] Error 1
 * ERROR: net-analyzer/nttcp-1.47-r3::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=net-analyzer/nttcp-1.47-r3::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=net-analyzer/nttcp-1.47-r3::gentoo'`.
 * The complete build log is located at '/var/log/portage/net-analyzer:nttcp-1.47-r3:20200405-025544.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/net-analyzer/nttcp-1.47-r3/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-analyzer/nttcp-1.47-r3/temp/environment'.
 * Working directory: '/var/tmp/portage/net-analyzer/nttcp-1.47-r3/work/nttcp-1.47'
 * S: '/var/tmp/portage/net-analyzer/nttcp-1.47-r3/work/nttcp-1.47'