configure.in

   1 AC_INIT(starttls.el)
   2 AM_INIT_AUTOMAKE(starttls, 0.5)
   3
   4 AM_PATH_LISPDIR
   5
   6 AC_PROG_CC
   7 AC_ISC_POSIX
   8 AC_PROG_INSTALL
   9 AC_PROG_MAKE_SET
  10 AC_PROG_RANLIB
  11
  12 AC_CHECK_HEADERS(libgen.h sys/select.h socks.h netinet6/in6.h)
  13
  14 AC_CHECK_LIB(nsl, gethostbyname)
  15 AC_CHECK_LIB(socket, socket)
  16
  17 AC_CHECK_TYPE(fd_set, int)
  18
  19 dnl checking if the system supports ipv6 address space or not
  20 AC_CACHE_CHECK([for struct in6_addr], ac_cv_struct_in6_addr,
  21 [AC_TRY_COMPILE([#include <sys/types.h>
  22 #include <sys/socket.h>
  23 #include <netinet/in.h>
  24 #include <netinet6/in6.h>], [struct in6_addr v6; v6.s6_addr32[3];],
  25 ac_cv_struct_in6_addr=yes, ac_cv_struct_in6_addr=no)])
  26 test "x$ac_cv_struct_in6_addr" = "xyes" && AC_DEFINE(HAVE_IN6_ADDR)
  27
  28 dnl checking if the system supports tcp over ipv6 support or not
  29 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_struct_sockaddr_in6,
  30 [AC_TRY_COMPILE([#include <sys/types.h>
  31 #include <sys/socket.h>
  32 #include <netinet/in.h>
  33 #include <netinet6/in6.h>], [struct sockaddr_in6 v6; v6.sin6_addr;],
  34 ac_cv_struct_sockaddr_in6=yes, ac_cv_struct_sockaddr_in6=no)])
  35 test "x$ac_cv_struct_sockaddr_in6" = "xyes" && AC_DEFINE(HAVE_SOCKADDR_IN6)
  36
  37 dnl
  38 dnl Test for OpenSSL
  39 dnl
  40 AC_ARG_WITH(openssl,[  --with-openssl=PATH     use OpenSSL from PATH])
  41
  42 case "$with_openssl" in
  43         yes|"")
  44         with_openssl=${prefix}/ssl
  45 esac
  46
  47 CPPFLAGS="${CPPFLAGS} -I${with_openssl}/include"
  48 AC_CHECK_HEADER(openssl/ssl.h,,with_openssl="no")
  49
  50 LDFLAGS="${LDFLAGS} -L${with_openssl}/lib"
  51 AC_CHECK_LIB(crypto,BIO_accept,LIBS=" -lcrypto ${LIBS}",with_openssl="no")
  52 AC_CHECK_LIB(ssl,SSL_CTX_new,LIBS=" -lssl ${LIBS}",with_openssl="no")
  53
  54 AC_MSG_CHECKING(for openssl)
  55 AC_MSG_RESULT($with_openssl)
  56
  57 if test "$with_openssl" != "no"; then
  58         AC_DEFINE(HAVE_SSL)
  59 else
  60 AC_MSG_ERROR("Unable to find openssl libraries.")
  61 exit 1;
  62 fi
  63
  64 AC_REPLACE_FUNCS(basename getaddrinfo)
  65
  66 AC_OUTPUT(Makefile)