Remove unused autoconf check: sigaction(3)

The macro HAVE_SIGACTION is not being used anywhere.

BTW, the function is defined by SVr4 and POSIX.1-2001, so it's likely that it is always available.

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>

diff --git a/configure.ac b/configure.ac
index 764734be446e21be261354b778a93cc12ba1a124..e7efbf2aeb36169fe5f510f757c60100d13c4641 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -51,7 +51,7 @@ AC_CHECK_HEADER([shadow.h],,[AC_MSG_ERROR([You need a libc with shadow.h])])
 AC_CHECK_FUNCS(arc4random_buf l64a fchmod fchown fsync futimes \
        getentropy getrandom getspnam getusershell \
        getutent initgroups lchown lckpwdf lstat lutimes \
-       setgroups sigaction updwtmp updwtmpx innetgr getpwnam_r \
+       setgroups updwtmp updwtmpx innetgr getpwnam_r \
        getpwuid_r getgrnam_r getgrgid_r getspnam_r getaddrinfo ruserok \
        memset_s explicit_bzero)
 AC_SYS_LARGEFILE