diff -Naur switcher-0.3.7a-orig/acinclude.m4 switcher-0.3.7a/acinclude.m4
--- switcher-0.3.7a-orig/acinclude.m4	2006-10-29 14:17:59.000000000 +0000
+++ switcher-0.3.7a/acinclude.m4	2006-10-29 14:19:04.000000000 +0000
@@ -2559,7 +2559,7 @@
   if test "$GXX" = "yes" || test "$CXX" = "KCC"; then
     if test "$kde_use_debug_code" != "no"; then
       if test "$CXX" = "KCC"; then
-        CXXFLAGS="+K0 -Wall -pedantic -W -Wpointer-arith -Wmissing-prototypes -Wwrite-strings $CXXFLAGS"
+        CXXFLAGS="+K0 -Wall -pedantic -W -Wpointer-arith -Wwrite-strings $CXXFLAGS"
       else
         if test "$kde_use_debug_code" = "full"; then
           CXXFLAGS="-g3 $CXXFLAGS"
@@ -2597,13 +2597,12 @@
       if test "$GCC" = "yes"; then
         case $host in
           *-*-linux-gnu)	
-            CFLAGS="-ansi -W -Wall -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings -D_XOPEN_SOURCE=500 -D_BSD_SOURCE $CFLAGS"
+            CFLAGS="-ansi -W -Wall -pedantic -Wshadow -Wpointer-arith -Wwrite-strings -D_XOPEN_SOURCE=500 -D_BSD_SOURCE $CFLAGS"
             CXXFLAGS="-ansi -D_XOPEN_SOURCE=500 -D_BSD_SOURCE -Wcast-align -Wconversion $CXXFLAGS"
           ;;
         esac
-        CXXFLAGS="-Wall -pedantic -W -Wpointer-arith -Wmissing-prototypes -Wwrite-strings $CXXFLAGS"
+        CXXFLAGS="-Wall -pedantic -W -Wpointer-arith -Wwrite-strings $CXXFLAGS"
         KDE_CHECK_COMPILER_FLAG(Wundef,[CXXFLAGS="-Wundef $CXXFLAGS"])
-        KDE_CHECK_COMPILER_FLAG(Wbad-function-cast,[CXXFLAGS="-Wbad-function-cast $CXXFLAGS"])
         KDE_CHECK_COMPILER_FLAG(Wno-long-long,[CXXFLAGS="-Wno-long-long $CXXFLAGS"])
         KDE_CHECK_COMPILER_FLAG(Wnon-virtual-dtor,[CXXFLAGS="-Wnon-virtual-dtor $CXXFLAGS"])
      fi
@@ -2982,7 +2981,7 @@
    AC_CACHE_VAL(kde_cv_func_stpcpy,
    [
    kde_safe_cxxflags=$CXXFLAGS
-   CXXFLAGS="-Wmissing-prototypes -Werror"
+   CXXFLAGS="-Werror"
    AC_LANG_SAVE
    AC_LANG_CPLUSPLUS
    AC_TRY_COMPILE([
diff -Naur switcher-0.3.7a-orig/aclocal.m4 switcher-0.3.7a/aclocal.m4
--- switcher-0.3.7a-orig/aclocal.m4	2006-10-29 14:17:59.000000000 +0000
+++ switcher-0.3.7a/aclocal.m4	2006-10-29 14:19:32.000000000 +0000
@@ -2571,7 +2571,7 @@
   if test "$GXX" = "yes" || test "$CXX" = "KCC"; then
     if test "$kde_use_debug_code" != "no"; then
       if test "$CXX" = "KCC"; then
-        CXXFLAGS="+K0 -Wall -pedantic -W -Wpointer-arith -Wmissing-prototypes -Wwrite-strings $CXXFLAGS"
+        CXXFLAGS="+K0 -Wall -pedantic -W -Wpointer-arith -Wwrite-strings $CXXFLAGS"
       else
         if test "$kde_use_debug_code" = "full"; then
           CXXFLAGS="-g3 $CXXFLAGS"
@@ -2609,13 +2609,12 @@
       if test "$GCC" = "yes"; then
         case $host in
           *-*-linux-gnu)	
-            CFLAGS="-ansi -W -Wall -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings -D_XOPEN_SOURCE=500 -D_BSD_SOURCE $CFLAGS"
+            CFLAGS="-ansi -W -Wall -pedantic -Wshadow -Wpointer-arith -Wwrite-strings -D_XOPEN_SOURCE=500 -D_BSD_SOURCE $CFLAGS"
             CXXFLAGS="-ansi -D_XOPEN_SOURCE=500 -D_BSD_SOURCE -Wcast-align -Wconversion $CXXFLAGS"
           ;;
         esac
-        CXXFLAGS="-Wall -pedantic -W -Wpointer-arith -Wmissing-prototypes -Wwrite-strings $CXXFLAGS"
+        CXXFLAGS="-Wall -pedantic -W -Wpointer-arith -Wwrite-strings $CXXFLAGS"
         KDE_CHECK_COMPILER_FLAG(Wundef,[CXXFLAGS="-Wundef $CXXFLAGS"])
-        KDE_CHECK_COMPILER_FLAG(Wbad-function-cast,[CXXFLAGS="-Wbad-function-cast $CXXFLAGS"])
         KDE_CHECK_COMPILER_FLAG(Wno-long-long,[CXXFLAGS="-Wno-long-long $CXXFLAGS"])
         KDE_CHECK_COMPILER_FLAG(Wnon-virtual-dtor,[CXXFLAGS="-Wnon-virtual-dtor $CXXFLAGS"])
      fi
@@ -2994,7 +2993,7 @@
    AC_CACHE_VAL(kde_cv_func_stpcpy,
    [
    kde_safe_cxxflags=$CXXFLAGS
-   CXXFLAGS="-Wmissing-prototypes -Werror"
+   CXXFLAGS="-Werror"
    AC_LANG_SAVE
    AC_LANG_CPLUSPLUS
    AC_TRY_COMPILE([