],,AC_MSG_ERROR([required C header missing!]))
# Optional header files
-AC_CHECK_HEADERS([ \
+AC_CHECK_HEADERS_ONCE([ \
arpa/inet.h inttypes.h malloc.h netinet/ip.h stdbool.h stddef.h \
stdint.h varargs.h \
])
# -- Libraries --
-# A/UX needs this.
-AC_CHECK_LIB(UTIL,memmove)
-# needed on solaris. GNU libc also has a libnsl, but we do not need it.
-AC_SEARCH_LIBS(gethostbyname,nsl)
-AC_CHECK_LIB(socket,bind)
+# memmove: A/UX libUTIL
+AC_SEARCH_LIBS([memmove], [UTIL], [], [
+ AC_MSG_ERROR([unable to find the memmove() function])
+])
+# gethostbyname: Solaris libnsl
+AC_SEARCH_LIBS([gethostbyname], [nsl], [], [
+ AC_MSG_ERROR([unable to find the gethostbyname() function])
+])
+# bind: SVR4 libsocket
+AC_SEARCH_LIBS([bind], [socket], [], [
+ AC_MSG_ERROR([unable to find the bind() function])
+])
# -- Functions --
AC_FUNC_FORK
-AC_FUNC_MALLOC
-AC_FUNC_REALLOC
AC_FUNC_STRFTIME
# Required functions
AC_MSG_ERROR([required function missing!]))
# Optional functions
-AC_CHECK_FUNCS([ \
+AC_CHECK_FUNCS_ONCE([ \
gai_strerror getaddrinfo getnameinfo inet_aton sigaction sigprocmask \
snprintf vsnprintf strdup strlcpy strlcat strtok_r waitpid])
CPPFLAGS="-I$withval/include $CPPFLAGS"
LDFLAGS="-L$withval/lib $LDFLAGS"
fi
- AC_CHECK_LIB(be, syslog)
- AC_CHECK_FUNCS(syslog, x_syslog_on=yes,
+ AC_SEARCH_LIBS([syslog], [be], [x_syslog_on=yes], [
AC_MSG_ERROR([Can't enable syslog!])
- )
+ ])
fi
],
- [
- AC_CHECK_LIB(be, syslog)
- AC_CHECK_FUNCS(syslog, x_syslog_on=yes)
+ [ AC_SEARCH_LIBS([syslog], [be], [x_syslog_on=yes])
]
)
if test "$x_syslog_on" = "yes"; then