configure: reduce the number of useless checks

diff --git a/configure.ac b/configure.ac
index 2b3465ac6672ad7d2bb53809d8b61d88f0eea965..c304d894e4e18a8cd04acc17478783b1d7eb9b3f 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -14,17 +14,11 @@ AC_PROG_RANLIB
 
 # Checks for libraries.
 AC_CHECK_LIB(socket,socket)
-AC_CHECK_LIB(nsl,gethostbyname)
 AC_CHECK_LIB(iconv,iconv_open)
 
-AC_CHECK_HEADERS([arpa/inet.h fcntl.h netinet/in.h stddef.h stdlib.h string.h])
-AC_CHECK_HEADERS([sys/socket.h syslog.h unistd.h time.h])
+AC_CHECK_HEADERS([syslog.h ])
 AC_CHECK_HEADER([iconv.h])
 
-# Checks for typedefs, structures, and compiler characteristics.
-AC_C_CONST
-AC_TYPE_SIZE_T
-
 savex=$exec_prefix
 test "x$prefix" = xNONE && prefix=$ac_default_prefix
 test "x$exec_prefix" = xNONE && exec_prefix=$prefix