acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Add a function to the test code compiled with -ffunction-sections -fdata-sections.

2007-05-11  Benjamin Kosnik  <bkoz@redhat.com>

	* acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Add a function
	to the test code compiled with -ffunction-sections -fdata-sections.
	* configure: Regenerate.

	* testsuite/22_locale/ctype/scan/wchar_t/1.cc: Remove
	_GLIBCXX_USE_WCHAR_T guards as surpufulous.
	
	* testsuite/20_util/make_signed/requirements/typedefs-1.cc: Add
	_GLIBCXX_USE_WCHAR_T guards.	
	* testsuite/20_util/make_signed/requirements/typedefs-2.cc: Same.
	* testsuite/20_util/make_unsigned/requirements/typedefs-1.cc: Same.
	* testsuite/20_util/make_unsigned/requirements/typedefs-2.cc: Same.

	* testsuite/21_strings/char_traits/requirements/wchar_t/typedefs.cc: 
	Add.
	* testsuite/21_strings/char_traits/typedefs/char/1.cc: Move...
	* testsuite/21_strings/char_traits/requirements/char/typedefs.cc: 
	...here.
	* testsuite/21_strings/char_traits/typedefs: Remove.
	* testsuite/21_strings/char_traits/typedefs/char: Remove.

From-SVN: r124772

libstdc++-v3/ChangeLog

@@ -1,5 +1,28 @@
 2007-05-11  Benjamin Kosnik  <bkoz@redhat.com>
 
+	* acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Add a function
+	to the test code compiled with -ffunction-sections -fdata-sections.
+	* configure: Regenerate.
+
+	* testsuite/22_locale/ctype/scan/wchar_t/1.cc: Remove
+	_GLIBCXX_USE_WCHAR_T guards as surpufulous.
+	
+	* testsuite/20_util/make_signed/requirements/typedefs-1.cc: Add
+	_GLIBCXX_USE_WCHAR_T guards.	
+	* testsuite/20_util/make_signed/requirements/typedefs-2.cc: Same.
+	* testsuite/20_util/make_unsigned/requirements/typedefs-1.cc: Same.
+	* testsuite/20_util/make_unsigned/requirements/typedefs-2.cc: Same.
+
+	* testsuite/21_strings/char_traits/requirements/wchar_t/typedefs.cc: 
+	Add.
+	* testsuite/21_strings/char_traits/typedefs/char/1.cc: Move...
+	* testsuite/21_strings/char_traits/requirements/char/typedefs.cc: 
+	...here.
+	* testsuite/21_strings/char_traits/typedefs: Remove.
+	* testsuite/21_strings/char_traits/typedefs/char: Remove.
+	
+2007-05-11  Benjamin Kosnik  <bkoz@redhat.com>	
+
 	* docs/html/abi.html: Update for gcc-4.1.2 and gcc-4.2.0.
 	
 2007-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>

libstdc++-v3/acinclude.m4

@@ -171,7 +171,7 @@ AC_DEFUN([GLIBCXX_CHECK_COMPILER_FEATURES], [
   # Check for -ffunction-sections -fdata-sections
   AC_MSG_CHECKING([for g++ that supports -ffunction-sections -fdata-sections])
   CXXFLAGS='-Werror -ffunction-sections -fdata-sections'
-  AC_TRY_COMPILE(, [int foo;], [ac_fdsections=yes], [ac_fdsections=no])
+  AC_TRY_COMPILE(, [int foo; void bar() { };], [ac_fdsections=yes], [ac_fdsections=no])
   if test "$ac_test_CXXFLAGS" = set; then
     CXXFLAGS="$ac_save_CXXFLAGS"
   else

libstdc++-v3/configure

@@ -8283,7 +8283,7 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-int foo;
+int foo; void bar() { };
   ;
   return 0;
 }
@@ -56578,7 +56578,7 @@ cat >>conftest.$ac_ext <<_ACEOF
 int
 main ()
 {
-int foo;
+int foo; void bar() { };
   ;
   return 0;
 }

libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs-1.cc

@@ -47,8 +47,10 @@ void test01()
   typedef make_signed<const char>::type  	test22_type;
   VERIFY( (is_same<test22_type, const signed char>::value) );
 
+#ifdef _GLIBCXX_USE_WCHAR_T
   typedef make_signed<volatile wchar_t>::type  	test23_type;
   VERIFY( (is_same<test23_type, volatile signed wchar_t>::value) );
+#endif
 
   typedef make_signed<test_enum>::type  	test25_type;
   VERIFY( (is_same<test25_type, int>::value) );

libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs-2.cc

@@ -47,8 +47,10 @@ void test01()
   typedef make_signed<const char>::type  	test22_type;
   VERIFY( (is_same<test22_type, const signed char>::value) );
 
+#ifdef _GLIBCXX_USE_WCHAR_T
   typedef make_signed<volatile wchar_t>::type  	test23_type;
   VERIFY( (is_same<test23_type, volatile signed wchar_t>::value) );
+#endif
 
   typedef make_signed<test_enum>::type  	test25_type;
   VERIFY( (is_same<test25_type, short>::value) );

libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs-1.cc

@@ -47,8 +47,10 @@ void test01()
   typedef make_unsigned<const char>::type  	test22_type;
   VERIFY( (is_same<test22_type, const unsigned char>::value) );
 
+#ifdef _GLIBCXX_USE_WCHAR_T
   typedef make_unsigned<volatile wchar_t>::type  	test23_type;
   VERIFY( (is_same<test23_type, volatile unsigned wchar_t>::value) );
+#endif
 
   typedef make_unsigned<test_enum>::type  	test25_type;
   VERIFY( (is_same<test25_type, unsigned int>::value) );

libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs-2.cc

@@ -47,8 +47,10 @@ void test01()
   typedef make_unsigned<const char>::type  	test22_type;
   VERIFY( (is_same<test22_type, const unsigned char>::value) );
 
+#ifdef _GLIBCXX_USE_WCHAR_T
   typedef make_unsigned<volatile wchar_t>::type  	test23_type;
   VERIFY( (is_same<test23_type, volatile unsigned wchar_t>::value) );
+#endif
 
   typedef make_unsigned<test_enum>::type  	test25_type;
   VERIFY( (is_same<test25_type, unsigned short>::value) );

libstdc++-v3/testsuite/21_strings/char_traits/requirements/char/typedefs.cc

@@ -1,7 +1,9 @@
+// dg-do compile
+// dg-options -ansi -pedantic-err
 // 2001-02-11 gdr
 // Origin: Craig Rodrigues <rodrigc@mediaone.net>
 
-// Copyright (C) 2001, 2003 Free Software Foundation, Inc.
+// Copyright (C) 2001, 2003, 2007 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -25,10 +27,17 @@
 
 int main()
 {
+  // Check for required typedefs.
+  typedef std::char_traits<char> test_type;
+  typedef test_type::char_type char_type;
+  typedef test_type::int_type int_type;
+  typedef test_type::off_type off_type;
+  typedef test_type::pos_type pos_type;
+  typedef test_type::state_type state_type;
+
   // 21.1.3: char_traits<char>::int_type == int
-  // dg-options -ansi -pedantic-err
+  test_type::int_type* p = 0;
-  std::char_traits<char>::int_type* p = 0;
+  int* q __attribute__((unused)) = p;                   
-  int* q __attribute__((unused)) = p;                   // dg-do compile
 
   return 0;
 }

libstdc++-v3/testsuite/21_strings/char_traits/requirements/wchar_t/typedefs.cc

@@ -0,0 +1,43 @@
+// dg-do compile
+// dg-options -ansi -pedantic-err
+// 2001-02-11 gdr
+// Origin: Craig Rodrigues <rodrigc@mediaone.net>
+
+// Copyright (C) 2001, 2003, 2007 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 21.1.2: char_traits typedefs
+
+#include <string>
+
+int main()
+{
+  // Check for required typedefs.
+  typedef std::char_traits<wchar_t> test_type;
+  typedef test_type::char_type char_type;
+  typedef test_type::int_type int_type;
+  typedef test_type::off_type off_type;
+  typedef test_type::pos_type pos_type;
+  typedef test_type::state_type state_type;
+
+  // 21.1.3: char_traits<wchar_t>::int_type == wint_t
+  test_type::int_type* p = 0;
+  wint_t* q __attribute__((unused)) = p;                   
+
+  return 0;
+}

libstdc++-v3/testsuite/22_locale/ctype/scan/wchar_t/1.cc

@@ -1,6 +1,6 @@
 // 2002-05-10 ghazi
 
-// Copyright (C) 2002 Free Software Foundation, Inc.
+// Copyright (C) 2002, 2007 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -47,7 +47,6 @@ class gnu_ctype: public std::ctype<char_type> { };
   VERIFY(gctype.scan_not((MASK), (STRING), \
 			 (STRING) + traits_type::length(STRING)) == (EXPECTED))
 
-#ifdef _GLIBCXX_USE_WCHAR_T
 // Sanity check scan_is() and scan_not().
 void test01()
 {
@@ -341,12 +340,9 @@ void test01()
   VERIFY_SCAN_NOT (std::ctype_base::upper, p2, p2);
   VERIFY_SCAN_NOT (std::ctype_base::xdigit, p2, p2);
 }
-#endif
 
 int main() 
 {
-#ifdef _GLIBCXX_USE_WCHAR_T
   test01();
-#endif
   return 0;
 }