macros/ssl-check.m4

   1 dnl $Id: ssl-check.m4,v 1.9 2003-06-08 16:04:49 srittau Exp $
   2 dnl Autoconf macro to check for SSL or OpenSSL
   3
   4 AC_DEFUN([AC_PATH_GCRYPT], [
   5
   6         GCRYPT_CFLAGS=""
   7         GCRYPT_LIBS=""
   8
   9         search="yes"
  10         errifnotfound="no"
  11
  12         AC_ARG_ENABLE(libgcrypt, [  --disable-gcrypt        disable compilation with libgcrypt], [
  13                 if test "x$enableval" != "xdisable"; then
  14                         errifnotfound="yes"
  15                 else
  16                         search="no"
  17                 fi
  18         ])
  19
  20         GCRYPT_CONFIG=""
  21         if test "x$search" == "xyes"; then
  22                 AC_PATH_PROG([GCRYPT_CONFIG], [libgcrypt-config], [no])
  23
  24                 if test "x$GCRYPT_CONFIG" == "xno"; then
  25                         if test "x$errifnotfound" == "xyes"; then
  26                                 AC_MSG_ERROR([libgcrypt-config not found])
  27                         fi
  28                 else
  29                         GCRYPT_CFLAGS="`$GCRYPT_CONFIG --cflags`"
  30                         GCRYPT_LIBS="`$GCRYPT_CONFIG --libs`"
  31                 fi
  32         fi
  33
  34         AC_SUBST(GCRYPT_CFLAGS)
  35         AC_SUBST(GCRYPT_LIBS)
  36         AM_CONDITIONAL(HAVE_GCRYPT, test -n "$GCRYPT_CONFIG")
  37 ])
  38
  39 AC_DEFUN([AC_PATH_SSL], [
  40         AC_ARG_WITH(ssl-dir, [  --with-ssl-dir=PATH     specify path to OpenSSL installation (must contain
  41                           lib and include dirs)],
  42                 [
  43                         if test "x$withval" = "xno"; then
  44                                 tryssl=no
  45                         elif test "x$withval" = "xyes"; then
  46                                 tryssl=yes
  47                                 tryssldir=
  48                         else
  49                                 dnl FIXME: should only try in $withval
  50                                 tryssl=yes
  51                                 tryssldir="$withval"
  52                         fi
  53                 ], [tryssl=yes]
  54         )
  55
  56         SSL_CFLAGS=""
  57         SSL_LIBS=""
  58         compile_ssl=no
  59
  60         if test "$tryssl" = "yes"; then
  61                 AC_MSG_CHECKING([for SSL])
  62                 for ssldir in "" $tryssldir /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl /usr/local/ssl ; do
  63                         if test -f "$ssldir/include/openssl/cast.h" ; then
  64                                 SSL_CFLAGS="$SSL_CFLAGS -I$ssldir/include -I$ssldir/include/openssl"
  65                                 SSL_LIBS="$SSL_LIBS -L$ssldir/lib -L$ssldir -lcrypto"
  66                                 if test "x$need_dash_r" = "xyes"; then
  67                                         SSL_LIBS="$SSL_LIBS -R$ssldir/lib -R$ssldir"
  68                                 fi
  69                                 AC_MSG_RESULT([$ssldir (enabling RANDNUM and DHX support)])
  70
  71 dnl FIXME: The following looks crude and probably doesn't work properly.
  72                                 dnl Check for the crypto library:
  73                                 AC_CHECK_LIB(crypto, main)
  74                                 dnl Check for "DES" library (for SSLeay, not openssl):
  75                                 AC_CHECK_LIB(des, main)
  76
  77                                 AC_DEFINE(OPENSSL_DHX,  1, [Define if the OpenSSL DHX modules should be built])
  78                                 AC_DEFINE(UAM_DHX,      1, [Define if the DHX UAM modules should be compiled])
  79                                 compile_ssl=yes
  80                                 break
  81                         fi
  82                 done
  83                 if test "x$compile_ssl" = "xno"; then
  84                         AC_MSG_RESULT([no])
  85                 fi
  86         fi
  87         AC_SUBST(SSL_CFLAGS)
  88         AC_SUBST(SSL_LIBS)
  89 ])