diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index ee7350711..4f6752e15 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -14,6 +14,10 @@
 
 # required stuff
 tde_setup_architecture_flags( )
+
+include(TestBigEndian)
+test_big_endian(WORDS_BIGENDIAN)
+
 find_package( TQt )
 find_package( TDE )
 
@@ -31,18 +35,36 @@ if( NOT HAVE_LIBDL )
 endif( NOT HAVE_LIBDL )
 
 
+# stdint.h (drkonqi)
+if( BUILD_DRKONQI )
+  check_include_file( stdint.h HAVE_STDINT_H )
+endif( )
+
+
 # termios.h (tdm, tdeioslave)
 if( BUILD_TDM OR BUILD_TDEIOSLAVES )
   check_include_file( termios.h HAVE_TERMIOS_H )
 endif( )
 
 
+# sys/bitypes.h (drkonqi)
+if( BUILD_DRKONQI )
+  check_include_file( sys/bitypes.h HAVE_SYS_BITYPES_H )
+endif( )
+
+
 # sys/ioctl.h (tdeioslave/fish, kcontrol/info)
 if( BUILD_TDEIOSLAVES OR BUILD_KCONTROL )
   check_include_file( sys/ioctl.h HAVE_SYS_IOCTL_H )
 endif( )
 
 
+# sys/types.h (drkonqi, tdeioslave/smtp)
+if( BUILD_DRKONQI OR BUILD_TDEIOSLAVES )
+  check_include_file( sys/types.h HAVE_SYS_TYPES_H )
+endif( )
+
+
 # pam
 if( WITH_PAM AND (BUILD_KCHECKPASS OR BUILD_TDM) )
   check_library_exists( pam pam_start "" HAVE_PAM )
diff --git a/config.h.cmake b/config.h.cmake
index 6e27a2787..30d6b4af0 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -3,6 +3,10 @@
 // Defined if you have fvisibility and fvisibility-inlines-hidden support.
 #cmakedefine __KDE_HAVE_GCC_VISIBILITY 1
 
+/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
+   significant byte first (like Motorola and SPARC, unlike Intel). */
+#cmakedefine WORDS_BIGENDIAN @WORDS_BIGENDIAN@
+
 // Defined if compiler supports long long type.
 #cmakedefine HAVE_LONG_LONG 1
 
@@ -43,6 +47,13 @@
 // tdm, tdeioslave
 #cmakedefine HAVE_TERMIOS_H 1
 
+// drkonqi
+#cmakedefine HAVE_STDINT_H 1
+#cmakedefine HAVE_SYS_BITYPES_H
+
+// drkonqi, tdeioslave
+#cmakedefine HAVE_SYS_TYPES_H 1
+
 // tdeioslave/media
 #cmakedefine WITH_HAL 1
 #ifdef WITH_HAL