1 changed files with 1 additions and 1 deletions
--- a/acinclude.m4.in
+++ b/acinclude.m4.in
@ -1087,7 +1087,7 @@ AC_DEFUN([KDE_USE_TQT],
  AC_LANG_SAVE
  AC_LANG_CPLUSPLUS
  ac_cxxflags_safe="$CXXFLAGS"
-  CXXFLAGS="-I/usr/include/tqt"
+  CXXFLAGS="$CXXFLAGS -I/usr/include/tqt"
  AC_TRY_COMPILE([
  #define TQT_VERSION_ONLY
  #include <tqt.h>