optabs.c (libfunc_decl_hash, [...]): Fix -Wcast-qual warnings.

	* optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
	warnings.

	* Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
	(bitmap.o-warn, dominance.o-warn): New.
	* configure.ac (cxx_compat_warn): Delete.
	(loose_warn): Add -Wcast-qual and -Wc++-compat.
	* system.h: Remove #pragma diagnostic for -Wcast-qual and
	-Wc++-compat.
	* configure: Regenerate.
	
cp:
	* Make-lang.in (cp-warn): Delete $(CXX_COMPAT_WARN).

java:
	* Make-lang.in (java/jcf-io.o-warn): New.

From-SVN: r137246

gcc/ChangeLog

 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
+	* Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
+	(bitmap.o-warn, dominance.o-warn): New.
+	* configure.ac (cxx_compat_warn): Delete.
+	(loose_warn): Add -Wcast-qual and -Wc++-compat.
+	* system.h: Remove #pragma diagnostic for -Wcast-qual and
+	-Wc++-compat.
+	* configure: Regenerate.
+
+	* optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
+	warnings.
+
+2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
 	* alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
 	* df-scan.c (df_notes_rescan): Likewise.
 	* ggc-page.c (set_page_table_entry): Likewise.

gcc/Makefile.in

@@ -160,10 +160,8 @@ coverageexts = .{gcda,gcno}
 # STRICT_WARN are the additional warning flags to
 # apply to the back end and the C front end, which may be compiled
 # with other compilers.
-# CXX_COMPAT_WARN are C++ source compatibility warnings.
 LOOSE_WARN = @loose_warn@
 STRICT_WARN = @strict_warn@
-CXX_COMPAT_WARN = @cxx_compat_warn@
 
 # This is set by --enable-checking.  The idea is to catch forgotten
 # "extern" tags in header files.
@@ -189,6 +187,10 @@ build/gengtype-lex.o-warn = -Wno-error
 SYSCALLS.c.X-warn = -Wno-strict-prototypes -Wno-error
 # dfp.c contains alias violations
 dfp.o-warn = -Wno-error
+# bitmap.c contains -Wc++compat warnings.
+bitmap.o-warn = -Wno-error
+# dominance.c contains a -Wc++compat warning.
+dominance.o-warn = -Wno-error
 
 # All warnings have to be shut off in stage1 if the compiler used then
 # isn't gcc; configure determines that.  WARN_CFLAGS will be either

gcc/configure.ac

@@ -323,8 +323,7 @@ AC_CHECK_TYPES([__int64], [AC_CHECK_SIZEOF(__int64)])
 # So, we only use -pedantic if we can disable those warnings.
 
 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
-			  -Wmissing-prototypes], [loose_warn])
-ACX_PROG_CC_WARNING_OPTS([-Wc++-compat], [cxx_compat_warn])
+	  -Wmissing-prototypes -Wcast-qual -Wc++-compat], [loose_warn])
 ACX_PROG_CC_WARNING_OPTS([-Wold-style-definition \
                           -Wmissing-format-attribute], [strict_warn])
 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long -Wno-variadic-macros \

gcc/cp/ChangeLog

+2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* Make-lang.in (cp-warn): Delete $(CXX_COMPAT_WARN).
+
 2008-06-28  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/36364

gcc/cp/Make-lang.in

@@ -89,7 +89,7 @@ CXX_OBJS = cp/cp-lang.o stub-objc.o $(CXX_AND_OBJCXX_OBJS)
 c++_OBJS = $(CXX_OBJS) dummy-checksum.o cc1plus-checksum.o cp/g++spec.o
 
 # Use strict warnings for this front end.
-cp-warn = $(STRICT_WARN) $(CXX_COMPAT_WARN)
+cp-warn = $(STRICT_WARN)
 
 cc1plus-dummy$(exeext): $(CXX_OBJS) dummy-checksum.o $(BACKEND) $(LIBDEPS)
 	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ \

gcc/java/ChangeLog

+2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* Make-lang.in (java/jcf-io.o-warn): New.
+
 2008-06-24  Tom Tromey  <tromey@redhat.com>
 
 	* jcf-path.c (jcf_path_init): Don't name variable 'try'.

gcc/java/Make-lang.in

@@ -101,6 +101,9 @@ jvspec.o-warn = -Wno-error
 # Bison-1.75 output often yields (harmless) -Wtraditional warnings
 java/parse.o-warn = -Wno-error
 
+# java/jcf-io.c contains a -Wc++compat warning.
+java/jcf-io.o-warn = -Wno-error
+
 jc1$(exeext): $(JAVA_OBJS) $(BACKEND) $(LIBDEPS) attribs.o
 	rm -f $@
 	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ \

gcc/optabs.c

@@ -5992,13 +5992,13 @@ static GTY ((param_is (union tree_node))) htab_t libfunc_decls;
 static hashval_t
 libfunc_decl_hash (const void *entry)
 {
-  return htab_hash_string (IDENTIFIER_POINTER (DECL_NAME ((tree) entry)));
+  return htab_hash_string (IDENTIFIER_POINTER (DECL_NAME ((const_tree) entry)));
 }
 
 static int
 libfunc_decl_eq (const void *entry1, const void *entry2)
 {
-  return DECL_NAME ((tree) entry1) == (tree) entry2;
+  return DECL_NAME ((const_tree) entry1) == (const_tree) entry2;
 }
 
 rtx

gcc/system.h

@@ -797,11 +797,9 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
 #define CONST_CAST_RTX(X) CONST_CAST(struct rtx_def *, (X))
 #define CONST_CAST_BB(X) CONST_CAST(struct basic_block_def *, (X))
 
-/* Activate -Wcast-qual and -Wc++-compat as warnings (not errors via
-   the -Werror flag).  */
+/* Activate certain diagnostics as warnings (not errors via the
+   -Werror flag).  */
 #if GCC_VERSION >= 4003
-#pragma GCC diagnostic warning "-Wcast-qual"
-#pragma GCC diagnostic warning "-Wc++-compat"
 /* If asserts are disabled, activate -Wuninitialized as a warning (not
    an error/-Werror).  */
 #ifndef ENABLE_ASSERT_CHECKING