[ssl=check])
if test "$ssl" != false; then
- dnl Make sure that pkg-config is installed.
- m4_pattern_forbid([PKG_CHECK_MODULES])
+ m4_ifndef([PKG_CHECK_MODULES], [m4_fatal([Please install pkg-config.])])
PKG_CHECK_MODULES([SSL], [openssl],
[HAVE_OPENSSL=yes],
[HAVE_OPENSSL=no