--- a/config/autoconf.mk.in
+++ b/config/autoconf.mk.in
@@ -119,17 +119,16 @@ MOZ_MAIL_NEWS	= @MOZ_MAIL_NEWS@
 MOZ_CALENDAR	= @MOZ_CALENDAR@
 MOZ_PLAINTEXT_EDITOR_ONLY = @MOZ_PLAINTEXT_EDITOR_ONLY@
 MOZ_COMPOSER = @MOZ_COMPOSER@
 BUILD_STATIC_LIBS = @BUILD_STATIC_LIBS@
 MOZ_ENABLE_LIBXUL = @MOZ_ENABLE_LIBXUL@
 ENABLE_TESTS	= @ENABLE_TESTS@
 IBMBIDI = @IBMBIDI@
 MOZ_UNIVERSALCHARDET = @MOZ_UNIVERSALCHARDET@
-SUNCTL = @SUNCTL@
 ACCESSIBILITY = @ACCESSIBILITY@
 MOZ_VIEW_SOURCE = @MOZ_VIEW_SOURCE@
 MOZ_XPINSTALL = @MOZ_XPINSTALL@
 MOZ_JSLOADER  = @MOZ_JSLOADER@
 MOZ_USE_NATIVE_UCONV = @MOZ_USE_NATIVE_UCONV@
 MOZ_LDAP_XPCOM = @MOZ_LDAP_XPCOM@
 MOZ_LDAP_XPCOM_EXPERIMENTAL = @MOZ_LDAP_XPCOM_EXPERIMENTAL@
 MOZ_BRANDING_DIRECTORY = @MOZ_BRANDING_DIRECTORY@

--- a/configure.in
+++ b/configure.in
@@ -1318,17 +1318,16 @@ if test "$GNU_CC"; then
     _MOZ_EXCEPTIONS_FLAGS_OFF='-fno-handle-exceptions'
 
     # Turn on GNU specific features
     # -Wall - turn on all warnings
     # -pedantic - make compiler warn about non-ANSI stuff, and
     #             be a little bit stricter
     # Warnings slamm took out for now (these were giving more noise than help):
     # -Wbad-function-cast - warns when casting a function to a new return type
-    # -Wconversion - complained when char's or short's were used a function args
     # -Wshadow - removed because it generates more noise than help --pete
     _WARNINGS_CFLAGS="${_WARNINGS_CFLAGS} -Wall -W -Wno-unused -Wpointer-arith"
     if test -z "$INTEL_CC"; then
        # Don't use -Wcast-align with ICC
        case "$CPU_ARCH" in
            # And don't use it on hppa, ia64, sparc, since it's noisy there
            hppa | ia64 | sparc)
            ;;
@@ -1365,17 +1364,17 @@ else
     DSO_PIC_CFLAGS='-KPIC'
     _DEFINES_CFLAGS='$(ACDEFINES) -D_MOZILLA_CONFIG_H_ -DMOZILLA_CLIENT'
 fi
 
 if test "$GNU_CXX"; then
     # FIXME: Let us build with strict aliasing. bug 414641.
     CXXFLAGS="$CXXFLAGS -fno-strict-aliasing"
     # Turn on GNU specific features
-    _WARNINGS_CXXFLAGS="${_WARNINGS_CXXFLAGS} -Wall -Wconversion -Wpointer-arith -Woverloaded-virtual -Wsynth -Wno-ctor-dtor-privacy -Wno-non-virtual-dtor"
+    _WARNINGS_CXXFLAGS="${_WARNINGS_CXXFLAGS} -Wall -Wpointer-arith -Woverloaded-virtual -Wsynth -Wno-ctor-dtor-privacy -Wno-non-virtual-dtor"
     if test -z "$INTEL_CC"; then
        # Don't use -Wcast-align with ICC
        case "$CPU_ARCH" in
            # And don't use it on hppa, ia64, sparc, since it's noisy there
            hppa | ia64 | sparc)
            ;;
            *)
         _WARNINGS_CXXFLAGS="${_WARNINGS_CXXFLAGS} -Wcast-align"
@@ -4388,17 +4387,16 @@ MOZ_VIEW_SOURCE=1
 MOZ_XPFE_COMPONENTS=1
 MOZ_XPINSTALL=1
 MOZ_XSLT_STANDALONE=
 MOZ_XTF=1
 MOZ_XUL=1
 MOZ_XUL_APP=1
 MOZ_ZIPWRITER=1
 NS_PRINTING=1
-SUNCTL=
 JS_STATIC_BUILD=
 XPC_IDISPATCH_SUPPORT=
 
 
 case "$target_os" in
 darwin*)
     ACCESSIBILITY=
     ;;
@@ -5100,24 +5098,16 @@ if test -n "$MOZ_OJI"; then
     AC_DEFINE(OJI)
 fi
 
 dnl bi-directional support always on
 IBMBIDI=1
 AC_DEFINE(IBMBIDI)
 
 dnl ========================================================
-dnl complex text support off by default
-dnl ========================================================
-MOZ_ARG_ENABLE_BOOL(ctl,
-[  --enable-ctl            Enable Thai Complex Script support],
-    SUNCTL=1,
-    SUNCTL= )
-
-dnl ========================================================
 dnl view source support on by default
 dnl ========================================================
 MOZ_ARG_DISABLE_BOOL(view-source,
 [  --disable-view-source     Disable view source support],
     MOZ_VIEW_SOURCE=,
     MOZ_VIEW_SOURCE=1 )
 if test "$MOZ_VIEW_SOURCE"; then
     AC_DEFINE(MOZ_VIEW_SOURCE)
@@ -7304,32 +7294,16 @@ if test "$MOZ_LDAP_XPCOM"; then
         fi
     elif test "$OS_ARCH" = "OS2"; then
             LDAP_LIBS='$(DIST)/lib/$(LIB_PREFIX)ldap60.${IMPORT_LIB_SUFFIX} $(DIST)/lib/$(LIB_PREFIX)prldap60.${IMPORT_LIB_SUFFIX} $(DIST)/lib/$(LIB_PREFIX)ldif60.${IMPORT_LIB_SUFFIX}'
     else
         LDAP_LIBS='-L${DIST}/bin -L${DIST}/lib -lldap60 -lprldap60 -lldif60'
     fi
 fi
 
-if test "$COMPILE_ENVIRONMENT"; then
-if test "$SUNCTL"; then
-    dnl older versions of glib do not seem to have gmodule which ctl needs
-    _SAVE_CFLAGS=$CFLAGS
-    CFLAGS="$CFLAGS $GLIB_CFLAGS"
-    AC_LANG_SAVE
-    AC_LANG_C
-    AC_TRY_COMPILE([#include <gmodule.h>],
-        [ int x = 1; x++; ],,
-        [AC_MSG_ERROR([Cannot build ctl without gmodule support in glib.])])
-    AC_LANG_RESTORE
-    CFLAGS=$_SAVE_CFLAGS
-    AC_DEFINE(SUNCTL)
-fi
-fi # COMPILE_ENVIRONMENT
-
 dnl ========================================================
 dnl =
 dnl = Maintainer debug option (no --enable equivalent)
 dnl =
 dnl ========================================================
 
 AC_SUBST(AR)
 AC_SUBST(AR_FLAGS)
@@ -7422,17 +7396,16 @@ AC_SUBST(HAVE_XIE)
 AC_SUBST(MOZ_XIE_LIBS)
 AC_SUBST(MOZ_ENABLE_POSTSCRIPT)
 
 AC_SUBST(XPCOM_USE_LEA)
 AC_SUBST(BUILD_STATIC_LIBS)
 AC_SUBST(MOZ_ENABLE_LIBXUL)
 AC_SUBST(ENABLE_TESTS)
 AC_SUBST(IBMBIDI)
-AC_SUBST(SUNCTL)
 AC_SUBST(MOZ_UNIVERSALCHARDET)
 AC_SUBST(ACCESSIBILITY)
 AC_SUBST(MOZ_XPINSTALL)
 AC_SUBST(MOZ_VIEW_SOURCE)
 AC_SUBST(MOZ_SPELLCHECK)
 AC_SUBST(MOZ_XPFE_COMPONENTS)
 AC_SUBST(MOZ_USER_DIR)
 AC_SUBST(MOZ_CRASHREPORTER)