Remove excess stuff from configure.ac

configure.ac

@@ -16,10 +16,6 @@ iphb_lt_rev=0
 iphb_lt_age=0
 AC_SUBST([IPHB_LT_VERSION],[$iphb_lt_current:$iphb_lt_rev:$iphb_lt_age])
 
-#
-# CONFIG OPTIONS
-#
-
 #
 # Compiler and linker flags
 #
@@ -47,41 +43,20 @@ AM_PROG_CC_C_O()
 
 # Pkgconf checks
 PKG_CHECK_MODULES(GLIB, glib-2.0)
-PKG_CHECK_MODULES(DBUS, dbus-1)
-PKG_CHECK_MODULES(DBUSGLIB, dbus-glib-1)
 
 # Check libs (that are not yet checked)
-# Whitespaces in 'action-if-found' fields in order to not (auto)update LIBS variable
-AC_CHECK_LIB([rt], [clock_nanosleep], [AC_MSG_NOTICE([got librt])], AC_MSG_FAILURE([librt required!]))
 AC_CHECK_LIB([dsme], [dsmesock_init], [AC_MSG_NOTICE([got libdsme])], AC_MSG_FAILURE([libdsme required!]), [$GLIB_LIBS])
 
 # Check headers
-AC_CHECK_HEADERS([arpa/inet.h fcntl.h inttypes.h limits.h stdint.h stdlib.h \
-                  string.h strings.h sys/ioctl.h sys/socket.h sys/time.h    \
-                  syslog.h unistd.h utmpx.h])
+AC_CHECK_HEADERS([arpa/inet.h stdlib.h string.h sys/ioctl.h sys/socket.h unistd.h])
 
 # Checks for typedefs, structures, and compiler characteristics.
-AC_HEADER_STDBOOL
-AC_TYPE_UID_T
-AC_C_INLINE
-AC_TYPE_INT16_T
-AC_TYPE_INT32_T
 AC_TYPE_PID_T
 AC_TYPE_SIZE_T
-AC_TYPE_SSIZE_T
-AC_TYPE_UINT16_T
-AC_TYPE_UINT32_T
-AC_TYPE_UINT8_T
 
 # Check common library functions
-AC_FUNC_ALLOCA
-AC_FUNC_FORK
 AC_FUNC_MALLOC
-AC_FUNC_REALLOC
-AC_FUNC_STRTOD
-AC_CHECK_FUNCS([atexit clock_gettime dup2 gettimeofday inet_ntoa memmove        \
-                memset realpath select setenv socket strcasecmp strdup strerror \
-                strndup strpbrk strrchr strstr strtoul uname utmpxname])
+AC_CHECK_FUNCS([inet_ntoa memset select socket strerror])
 
 # Create files
 AC_CONFIG_FILES([Makefile