configure.in

   1 AC_INIT(starttls.el)
   2 AC_PREREQ(2.13)
   3 AM_INIT_AUTOMAKE(starttls, 0.6)
   4
   5 AM_PATH_LISPDIR
   6
   7 AC_PROG_CC
   8 AC_ISC_POSIX
   9 AC_PROG_INSTALL
  10 AC_PROG_MAKE_SET
  11 AC_PROG_RANLIB
  12
  13 AC_CHECK_HEADERS(libgen.h sys/select.h sys/poll.h)
  14
  15 AC_STRUCT_ADDRINFO(ac_cv_struct_addrinfo)
  16 if test "$ac_cv_struct_addrinfo" = "no"; then
  17         AC_CHECK_LIB(nsl, gethostbyname)
  18 fi
  19 AC_CHECK_LIB(socket, socket)
  20 AC_CHECK_FUNC(getopt_long,,LIBOBJS="$LIBOBJS getopt.o getopt1.o")
  21 AC_REPLACE_FUNCS(basename)
  22 AC_CHECK_FUNC(poll)
  23
  24 AC_ARG_WITH(openssl,[  --with-openssl=PATH     use OpenSSL from PATH])
  25
  26 if test -n "$with_openssl"; then
  27         CPPFLAGS="$CPPFLAGS -I${with_openssl}/include"
  28         LDFLAGS="$LDFLAGS -L${with_openssl}/lib"
  29 fi
  30
  31 AC_CHECK_HEADER(openssl/ssl.h, [
  32         AC_CHECK_LIB(crypto, BIO_accept, LIBS="-lcrypto $LIBS")
  33         AC_CHECK_LIB(ssl, SSL_CTX_new, LIBS="-lssl $LIBS")],
  34         AC_MSG_ERROR([OpenSSL not installed - please install first]))
  35
  36 AC_OUTPUT(Makefile)