attempt to extract openssl information using pkg-config

  AC_MSG_RESULT(no)

fi

dnl Detect the pkg-config tool, as it may have extra info about the

dnl openssl installation we can use. I *believe* this is what we are

dnl expected to do on really recent Redhat Linux hosts.

AC_PATH_PROG( PKGCONFIG, pkg-config, no, $PATH:/usr/bin:/usr/local/bin)

if test "$PKGCONFIG" != "no" ; then

  AC_MSG_CHECKING([for OpenSSL options using pkg-config])

  $PKGCONFIG --exists openssl

  SSL_EXISTS=$?

  if test "$SSL_EXISTS" -eq "0"; then

    SSL_LIBS=`$PKGCONFIG --libs-only-l openssl 2>/dev/null`

    SSL_LDFLAGS=`$PKGCONFIG --libs-only-L openssl 2>/dev/null`

    SSL_CFLAGS=`$PKGCONFIG --cflags openssl 2>/dev/null`

    LIBS="$LIBS $SSL_LIBS"

    CFLAGS="$CFLAGS $SSL_CFLAGS"

    LDFLAGS="$LDFLAGS $SSL_LDFLAGS"

    AC_MSG_RESULT([yes])

  else

    AC_MSG_RESULT([no])

  fi

fi

dnl **********************************************************************

dnl Check for the presence of SSL libraries and headers