macros/ssl-check.m4

   1 dnl $Id: ssl-check.m4,v 1.6 2003-01-26 16:40:46 srittau Exp $
   2 dnl Autoconf macro to check for SSL or OpenSSL
   3
   4 AC_DEFUN([AC_PATH_SSL], [
   5         AC_ARG_WITH(ssl-dir, [  --with-ssl-dir=PATH     specify path to OpenSSL installation (must contain
   6                           lib and include dirs)],
   7                 [
   8                         if test "x$withval" = "xno"; then
   9                                 tryssl=no
  10                         elif test "x$withval" = "xyes"; then
  11                                 tryssl=yes
  12                                 tryssldir=
  13                         else
  14                                 dnl FIXME: should only try in $withval
  15                                 tryssl=yes
  16                                 tryssldir="$withval"
  17                         fi
  18                 ], [tryssl=yes]
  19         )
  20
  21         SSL_CFLAGS=""
  22         SSL_LIBS=""
  23         compile_ssl=no
  24
  25         if test "$tryssl" = "yes"; then
  26
  27 dnl GnuTLS test
  28
  29                 AM_PATH_LIBGNUTLS_EXTRA(, [
  30                         SSL_CFLAGS="$SSL_CFLAGS $LIBGNUTLS_EXTRA_CFLAGS"
  31                         SSL_LIBS="$SSL_LIBS $LIBGNUTLS_EXTRA_LIBS"
  32                         AC_DEFINE(GNUTLS_DHX, 1)
  33                         AC_DEFINE(UAM_DHX,    1)
  34                         compile_ssl=yes
  35                 ], [
  36
  37 dnl OpenSSL test
  38
  39                         AC_MSG_CHECKING([for OpenSSL])
  40                         for ssldir in "" $tryssldir /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl /usr/local/ssl ; do
  41                                 if test -f "$ssldir/include/openssl/cast.h" ; then
  42                                         SSL_CFLAGS="$SSL_CFLAGS -I$ssldir/include -I$ssldir/include/openssl"
  43                                         SSL_LIBS="$SSL_LIBS -L$ssldir/lib -L$ssldir -lcrypto"
  44                                         if test "x$need_dash_r" = "xyes"; then
  45                                                 SSL_LIBS="$SSL_LIBS -R$ssldir/lib -R$ssldir"
  46                                         fi
  47                                         AC_MSG_RESULT([$ssldir (enabling RANDNUM and DHX support)])
  48
  49 dnl FIXME: The following looks crude and probably doesn't work properly.
  50                                         dnl Check for the crypto library:
  51                                         AC_CHECK_LIB(crypto, main)
  52                                         dnl Check for "DES" library (for SSLeay, not openssl):
  53                                         AC_CHECK_LIB(des, main)
  54
  55                                         AC_DEFINE(OPENSSL_DHX,  1)
  56                                         AC_DEFINE(UAM_DHX,      1)
  57                                         compile_ssl=yes
  58                                         break
  59                                 fi
  60                         done
  61                         if test "x$compile_ssl" = "xno"; then
  62                                 AC_MSG_RESULT([no])
  63                         fi
  64                 ])
  65         fi
  66         AC_SUBST(SSL_CFLAGS)
  67         AC_SUBST(SSL_LIBS)
  68 ])