1dnl Process this file with autoconf to produce a configure script. 2AC_RELEASE("$Id: configure.in,v 1.1 2008/02/15 01:47:15 marka Exp $") 3AC_INIT(query-loc.c) 4 5dnl Checks for programs. 6AC_PROG_CC 7if test "$GCC" = "yes"; then 8 CFLAGS="${CFLAGS} -Wall" 9fi 10AC_PROG_INSTALL 11 12dnl Checks for libraries. 13AC_CHECK_LIB(resolv, res_query) 14 15dnl Checks for header files. 16AC_HEADER_STDC 17AC_CONFIG_HEADER(config.h) 18AC_CHECK_HEADER(resolv.h, , AC_MSG_ERROR("No headers for name service applications")) 19AC_CHECK_HEADER(arpa/nameser.h, , AC_MSG_ERROR("No headers for name service applications")) 20AC_CHECK_HEADER(sys/time.h, , AC_MSG_ERROR("Mandatory header missing on your system")) 21AC_CHECK_HEADER(unistd.h, , AC_MSG_ERROR("Mandatory header missing on your system")) 22 23 24dnl This one is only useful for Solaris? 25AC_MSG_CHECKING(if libnsl is mandatory) 26AC_TRY_LINK([#include <sys/types.h> 27 #include <netinet/in.h> 28 #include <arpa/nameser.h> 29 #include <resolv.h> 30 union 31 { 32 HEADER hdr; 33 u_char buf[4096]; /* With RFC 2671, otherwise 512 is enough */ 34 } 35 response; 36 char *domain; 37 int requested_type; ], 38 [res_query(domain, 39 C_IN, 40 requested_type, 41 (u_char *) & response, 42 sizeof (response)) ], dnl 43 [AC_MSG_RESULT(no)], dnl 44 [AC_MSG_RESULT(yes); LIBS="${LIBS} -lnsl"]) 45 46dnl Check for the loc_ntoa macro/function 47AC_MSG_CHECKING(loc_ntoa) 48AC_TRY_LINK([#include <resolv.h>], dnl 49 [u_char *cp; char *result; loc_ntoa(cp, result)], dnl 50 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_LOC_NTOA)], dnl 51 [AC_MSG_RESULT([no, using the alternative]); LOC_NTOA=loc_ntoa.o]) 52AC_SUBST(LOC_NTOA) 53 54dnl Checks for typedefs, structures, and compiler characteristics. 55AC_C_CONST 56AC_CHECK_SIZEOF(long) 57AC_CHECK_SIZEOF(int) 58AC_CHECK_SIZEOF(short) 59AC_CHECK_SIZEOF(char) 60 61dnl Misc. 62AC_OUTPUT(Makefile) 63 64 65 66