deprecate undocumented -E option

Reviewed-by: joerg

1 files changed, 1 insertions, 0 deletions

diff --git a/qmake/option.cpp b/qmake/option.cpp
index d63158cc99..8db3797612 100644
--- a/qmake/option.cpp
+++ b/qmake/option.cpp
@@ -304,6 +304,7 @@ Option::parseCommandLine(int argc, char **argv, int skip)
                     } else if(opt == "nodependheuristics") {
                         Option::mkfile::do_dep_heuristics = false;
                     } else if(opt == "E") {
+                        fprintf(stderr, "-E is deprecated. Use -d instead.\n");
                         Option::mkfile::do_preprocess = true;
                     } else if(opt == "cache") {
                         Option::mkfile::cachefile = argv[++x];