From: Benjamin Kosnik <bkoz@redhat.com>
Date: Wed, 27 Mar 2002 04:29:32 +0000 (+0000)
Subject: c/: Guard with _CPP_.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3eb35fcfd4c1dfa79ca709bca4b8ef291a647c7f;p=gcc.git

c/: Guard with _CPP_.


2002-03-26  Benjamin Kosnik  <bkoz@redhat.com>

	* include/c/: Guard with _CPP_.
	* include/c_std/: Same.
	* include/Makefile.am: Fixup install, link routines for null
	c_base_headers_extra scenarios.
	* include/Makefile.in: Regerate.

From-SVN: r51431
---

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 6a174938b4e..4f06c2b1fbc 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,11 @@
+2002-03-26  Benjamin Kosnik  <bkoz@redhat.com>
+
+	* include/c/: Guard with _CPP_.
+	* include/c_std/: Same.
+	* include/Makefile.am: Fixup install, link routines for null
+	c_base_headers_extra scenarios.
+	* include/Makefile.in: Regerate.
+	
 2002-03-25  Paolo Carlini <pcarlini@unitus.it>
             Richard Henderson  <rth@redhat.com>
 
diff --git a/libstdc++-v3/include/Makefile.am b/libstdc++-v3/include/Makefile.am
index 725d20f0a12..545582ab055 100644
--- a/libstdc++-v3/include/Makefile.am
+++ b/libstdc++-v3/include/Makefile.am
@@ -324,7 +324,7 @@ stamp-bits: ${bits_headers}
 	(cd ${bits_builddir} && @LN_S@ $? . || true) ;\
 	echo `date` > stamp-bits
 
-stamp-c_base: ${c_base_headers} ${c_base_headers_extra}
+stamp-c_base: ${c_base_headers} ${c_base_headers_extra} 
 	@if [ ! -d "${c_base_builddir}" ]; then \
 	  mkdir -p ${c_base_builddir} ;\
 	fi ;\
@@ -332,7 +332,9 @@ stamp-c_base: ${c_base_headers} ${c_base_headers_extra}
 	  official_name=`echo $$h | sed -e 's,.*/std_,,' -e 's,\.h$$,,'` ;\
 	  @LN_S@ $$h ./$${official_name} || true ;\
 	done) ;\
-	(cd ${bits_builddir} && @LN_S@ ${c_base_headers_extra}  . || true) ;\
+	if [ ! -z "${c_base_headers_extra}" ]; then \
+	  (cd ${bits_builddir} && @LN_S@ ${c_base_headers_extra}  . || true) ;\
+	fi ;\
 	echo `date` > stamp-c_base
 
 stamp-backward: ${backward_headers}
@@ -434,8 +436,9 @@ install-data-local:
 	for file in ${c_base_headers_rename}; do \
 	  $(INSTALL_DATA) ${c_base_builddir}/$${file} \
 	    ${gxx_include_dir}/${c_base_builddir}; done
-	for file in ${c_base_headers_extra}; do \
-	  $(INSTALL_DATA) $${file} ${gxx_include_dir}/${bits_builddir}; done
+	c_base_headers_extra_install=${c_base_headers_extra};\
+	for file in $$c_base_headers_extra_install; do \
+	  $(INSTALL_DATA) $$file ${gxx_include_dir}/${bits_builddir}; done
 	$(INSTALL) -d ${gxx_include_dir}/${std_builddir}
 	for file in ${std_headers_rename}; do \
 	  $(INSTALL_DATA) ${std_builddir}/$${file} \
diff --git a/libstdc++-v3/include/Makefile.in b/libstdc++-v3/include/Makefile.in
index 13a4a957d17..f6a0e76619c 100644
--- a/libstdc++-v3/include/Makefile.in
+++ b/libstdc++-v3/include/Makefile.in
@@ -569,7 +569,7 @@ stamp-bits: ${bits_headers}
 	(cd ${bits_builddir} && @LN_S@ $? . || true) ;\
 	echo `date` > stamp-bits
 
-stamp-c_base: ${c_base_headers} ${c_base_headers_extra}
+stamp-c_base: ${c_base_headers} ${c_base_headers_extra} 
 	@if [ ! -d "${c_base_builddir}" ]; then \
 	  mkdir -p ${c_base_builddir} ;\
 	fi ;\
@@ -577,7 +577,9 @@ stamp-c_base: ${c_base_headers} ${c_base_headers_extra}
 	  official_name=`echo $$h | sed -e 's,.*/std_,,' -e 's,\.h$$,,'` ;\
 	  @LN_S@ $$h ./$${official_name} || true ;\
 	done) ;\
-	(cd ${bits_builddir} && @LN_S@ ${c_base_headers_extra}  . || true) ;\
+	if [ ! -z "${c_base_headers_extra}" ]; then \
+	  (cd ${bits_builddir} && @LN_S@ ${c_base_headers_extra}  . || true) ;\
+	fi ;\
 	echo `date` > stamp-c_base
 
 stamp-backward: ${backward_headers}
@@ -665,8 +667,9 @@ install-data-local:
 	for file in ${c_base_headers_rename}; do \
 	  $(INSTALL_DATA) ${c_base_builddir}/$${file} \
 	    ${gxx_include_dir}/${c_base_builddir}; done
-	for file in ${c_base_headers_extra}; do \
-	  $(INSTALL_DATA) $${file} ${gxx_include_dir}/${bits_builddir}; done
+	c_base_headers_extra_install=${c_base_headers_extra};\
+	for file in $$c_base_headers_extra_install; do \
+	  $(INSTALL_DATA) $$file ${gxx_include_dir}/${bits_builddir}; done
 	$(INSTALL) -d ${gxx_include_dir}/${std_builddir}
 	for file in ${std_headers_rename}; do \
 	  $(INSTALL_DATA) ${std_builddir}/$${file} \
diff --git a/libstdc++-v3/include/c/std_cctype.h b/libstdc++-v3/include/c/std_cctype.h
index 1271e072a69..9d84a3d68b7 100644
--- a/libstdc++-v3/include/c/std_cctype.h
+++ b/libstdc++-v3/include/c/std_cctype.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: <ccytpe>
 //
 
-#ifndef _CCTYPE
-#define _CCTYPE 1
+#ifndef _CPP_CCTYPE
+#define _CPP_CCTYPE 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c/std_cerrno.h b/libstdc++-v3/include/c/std_cerrno.h
index dea3c0e9398..93ba8684389 100644
--- a/libstdc++-v3/include/c/std_cerrno.h
+++ b/libstdc++-v3/include/c/std_cerrno.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: 19.3  Error numbers
 //
 
-#ifndef _CERRNO
-#define _CERRNO 1
+#ifndef _CPP_CERRNO
+#define _CPP_CERRNO 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c/std_cfloat.h b/libstdc++-v3/include/c/std_cfloat.h
index bcdb5f7bc29..9c95760b38b 100644
--- a/libstdc++-v3/include/c/std_cfloat.h
+++ b/libstdc++-v3/include/c/std_cfloat.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: 18.2.2  Implementation properties: C library
 //
 
-#ifndef _CFLOAT
-#define _CFLOAT 1
+#ifndef _CPP_CFLOAT
+#define _CPP_CFLOAT 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c/std_climits.h b/libstdc++-v3/include/c/std_climits.h
index acfbe9b57bf..9194cb9adf7 100644
--- a/libstdc++-v3/include/c/std_climits.h
+++ b/libstdc++-v3/include/c/std_climits.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: 18.2.2  Implementation properties: C library
 //
 
-#ifndef _CLIMITS
-#define _CLIMITS	1
+#ifndef _CPP_CLIMITS
+#define _CPP_CLIMITS	1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c/std_clocale.h b/libstdc++-v3/include/c/std_clocale.h
index 6ac30a77fd7..b6b3c22268a 100644
--- a/libstdc++-v3/include/c/std_clocale.h
+++ b/libstdc++-v3/include/c/std_clocale.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: 18.2.2  Implementation properties: C library
 //
 
-#ifndef _CLOCALE
-#define _CLOCALE 1
+#ifndef _CPP_CLOCALE
+#define _CPP_CLOCALE 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c/std_cmath.h b/libstdc++-v3/include/c/std_cmath.h
index fb53a2dafbf..33ac50b9f9a 100644
--- a/libstdc++-v3/include/c/std_cmath.h
+++ b/libstdc++-v3/include/c/std_cmath.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: 26.5  C library
 //
 
-#ifndef _CMATH
-#define _CMATH 1
+#ifndef _CPP_CMATH
+#define _CPP_CMATH 1
  
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c/std_csetjmp.h b/libstdc++-v3/include/c/std_csetjmp.h
index 77616608495..011907bbaa1 100644
--- a/libstdc++-v3/include/c/std_csetjmp.h
+++ b/libstdc++-v3/include/c/std_csetjmp.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: 20.4.6  C library
 //
 
-#ifndef _CSETJMP
-#define _CSETJMP 1
+#ifndef _CPP_CSETJMP
+#define _CPP_CSETJMP 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c/std_csignal.h b/libstdc++-v3/include/c/std_csignal.h
index 6f2790c5b31..09614e7ea01 100644
--- a/libstdc++-v3/include/c/std_csignal.h
+++ b/libstdc++-v3/include/c/std_csignal.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: 20.4.6  C library
 //
 
-#ifndef _CSIGNAL
-#define _CSIGNAL 1
+#ifndef _CPP_CSIGNAL
+#define _CPP_CSIGNAL 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c/std_cstdarg.h b/libstdc++-v3/include/c/std_cstdarg.h
index b91c3c00a26..d2cb5441579 100644
--- a/libstdc++-v3/include/c/std_cstdarg.h
+++ b/libstdc++-v3/include/c/std_cstdarg.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: 20.4.6  C library
 //
 
-#ifndef _CSTDARG
-#define _CSTDARG 1
+#ifndef _CPP_CSTDARG
+#define _CPP_CSTDARG 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c/std_cstddef.h b/libstdc++-v3/include/c/std_cstddef.h
index 7502c04e18a..da41736ef9e 100644
--- a/libstdc++-v3/include/c/std_cstddef.h
+++ b/libstdc++-v3/include/c/std_cstddef.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: 18.1  Types
 //
 
-#ifndef _CSTDDEF
-#define _CSTDDEF 1
+#ifndef _CPP_CSTDDEF
+#define _CPP_CSTDDEF 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c/std_cstdio.h b/libstdc++-v3/include/c/std_cstdio.h
index 32d1488f554..542b92414ca 100644
--- a/libstdc++-v3/include/c/std_cstdio.h
+++ b/libstdc++-v3/include/c/std_cstdio.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: 27.8.2  C Library files
 //
 
-#ifndef _CSTDIO
-#define _CSTDIO 1
+#ifndef _CPP_CSTDIO
+#define _CPP_CSTDIO 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c/std_cstdlib.h b/libstdc++-v3/include/c/std_cstdlib.h
index 1c34b36b601..57ade0dfb36 100644
--- a/libstdc++-v3/include/c/std_cstdlib.h
+++ b/libstdc++-v3/include/c/std_cstdlib.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: 20.4.6  C library
 //
 
-#ifndef _CSTDLIB
-#define _CSTDLIB 1
+#ifndef _CPP_CSTDLIB
+#define _CPP_CSTDLIB 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c/std_cstring.h b/libstdc++-v3/include/c/std_cstring.h
index e5c786d2973..656ff52be34 100644
--- a/libstdc++-v3/include/c/std_cstring.h
+++ b/libstdc++-v3/include/c/std_cstring.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: 20.4.6  C library
 //
 
-#ifndef _CSTRING
-#define _CSTRING 1
+#ifndef _CPP_CSTRING
+#define _CPP_CSTRING 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c/std_ctime.h b/libstdc++-v3/include/c/std_ctime.h
index 17d965afa90..ba9103ee054 100644
--- a/libstdc++-v3/include/c/std_ctime.h
+++ b/libstdc++-v3/include/c/std_ctime.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: 20.5  Date and time
 //
 
-#ifndef _CTIME
-#define _CTIME 1
+#ifndef _CPP_CTIME
+#define _CPP_CTIME 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c/std_cwchar.h b/libstdc++-v3/include/c/std_cwchar.h
index 92b53b0379a..f9dfbadb9ba 100644
--- a/libstdc++-v3/include/c/std_cwchar.h
+++ b/libstdc++-v3/include/c/std_cwchar.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: 21.4
 //
 
-#ifndef _CWCHAR
-#define _CWCHAR 1
+#ifndef _CPP_CWCHAR
+#define _CPP_CWCHAR 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c/std_cwctype.h b/libstdc++-v3/include/c/std_cwctype.h
index 53aa0d0f91b..ef6b44bd97a 100644
--- a/libstdc++-v3/include/c/std_cwctype.h
+++ b/libstdc++-v3/include/c/std_cwctype.h
@@ -31,8 +31,8 @@
 // ISO C++ 14882: <cwctype>
 //
 
-#ifndef _CWCTYPE
-#define _CWCTYPE 1
+#ifndef _CPP_CWCTYPE
+#define _CPP_CWCTYPE 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_cctype.h b/libstdc++-v3/include/c_std/std_cctype.h
index c21ac9c9cd0..68bd182d519 100644
--- a/libstdc++-v3/include/c_std/std_cctype.h
+++ b/libstdc++-v3/include/c_std/std_cctype.h
@@ -40,8 +40,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CCTYPE
-#define _CCTYPE 1
+#ifndef _CPP_CCTYPE
+#define _CPP_CCTYPE 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_cerrno.h b/libstdc++-v3/include/c_std/std_cerrno.h
index b9a0743e79a..7fcecd43917 100644
--- a/libstdc++-v3/include/c_std/std_cerrno.h
+++ b/libstdc++-v3/include/c_std/std_cerrno.h
@@ -40,8 +40,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CERRNO
-#define _CERRNO 1
+#ifndef _CPP_CERRNO
+#define _CPP_CERRNO 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_cfloat.h b/libstdc++-v3/include/c_std/std_cfloat.h
index ab7283e7802..3cc8d7218da 100644
--- a/libstdc++-v3/include/c_std/std_cfloat.h
+++ b/libstdc++-v3/include/c_std/std_cfloat.h
@@ -40,8 +40,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CFLOAT
-#define _CFLOAT 1
+#ifndef _CPP_CFLOAT
+#define _CPP_CFLOAT 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_climits.h b/libstdc++-v3/include/c_std/std_climits.h
index 4e66dd8c3b5..242913e60df 100644
--- a/libstdc++-v3/include/c_std/std_climits.h
+++ b/libstdc++-v3/include/c_std/std_climits.h
@@ -41,8 +41,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CLIMITS
-#define _CLIMITS	1
+#ifndef _CPP_CLIMITS
+#define _CPP_CLIMITS	1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_clocale.h b/libstdc++-v3/include/c_std/std_clocale.h
index c6a882b6fe1..66747d9244c 100644
--- a/libstdc++-v3/include/c_std/std_clocale.h
+++ b/libstdc++-v3/include/c_std/std_clocale.h
@@ -41,8 +41,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CLOCALE
-#define _CLOCALE 1
+#ifndef _CPP_CLOCALE
+#define _CPP_CLOCALE 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_cmath.h b/libstdc++-v3/include/c_std/std_cmath.h
index e804e72d69b..e0fffeab930 100644
--- a/libstdc++-v3/include/c_std/std_cmath.h
+++ b/libstdc++-v3/include/c_std/std_cmath.h
@@ -41,8 +41,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CMATH
-#define _CMATH 1
+#ifndef _CPP_CMATH
+#define _CPP_CMATH 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_csetjmp.h b/libstdc++-v3/include/c_std/std_csetjmp.h
index c5b9119e0b8..f6df5815001 100644
--- a/libstdc++-v3/include/c_std/std_csetjmp.h
+++ b/libstdc++-v3/include/c_std/std_csetjmp.h
@@ -41,8 +41,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CSETJMP
-#define _CSETJMP 1
+#ifndef _CPP_CSETJMP
+#define _CPP_CSETJMP 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_csignal.h b/libstdc++-v3/include/c_std/std_csignal.h
index 8be03f05f4c..1017161d63f 100644
--- a/libstdc++-v3/include/c_std/std_csignal.h
+++ b/libstdc++-v3/include/c_std/std_csignal.h
@@ -41,8 +41,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CSIGNAL
-#define _CSIGNAL 1
+#ifndef _CPP_CSIGNAL
+#define _CPP_CSIGNAL 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_cstdarg.h b/libstdc++-v3/include/c_std/std_cstdarg.h
index 52979dffa6c..9383adee9a5 100644
--- a/libstdc++-v3/include/c_std/std_cstdarg.h
+++ b/libstdc++-v3/include/c_std/std_cstdarg.h
@@ -40,8 +40,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CSTDARG
-#define _CSTDARG 1
+#ifndef _CPP_CSTDARG
+#define _CPP_CSTDARG 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_cstddef.h b/libstdc++-v3/include/c_std/std_cstddef.h
index b7e56100196..7a740afb398 100644
--- a/libstdc++-v3/include/c_std/std_cstddef.h
+++ b/libstdc++-v3/include/c_std/std_cstddef.h
@@ -40,8 +40,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CSTDDEF
-#define _CSTDDEF 1
+#ifndef _CPP_CSTDDEF
+#define _CPP_CSTDDEF 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_cstdio.h b/libstdc++-v3/include/c_std/std_cstdio.h
index 3b7f32eece4..6fb8c79fb3d 100644
--- a/libstdc++-v3/include/c_std/std_cstdio.h
+++ b/libstdc++-v3/include/c_std/std_cstdio.h
@@ -41,8 +41,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CSTDIO
-#define _CSTDIO 1
+#ifndef _CPP_CSTDIO
+#define _CPP_CSTDIO 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_cstdlib.h b/libstdc++-v3/include/c_std/std_cstdlib.h
index f7168af07fb..70fc8d3452e 100644
--- a/libstdc++-v3/include/c_std/std_cstdlib.h
+++ b/libstdc++-v3/include/c_std/std_cstdlib.h
@@ -41,8 +41,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CSTDLIB
-#define _CSTDLIB 1
+#ifndef _CPP_CSTDLIB
+#define _CPP_CSTDLIB 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_cstring.h b/libstdc++-v3/include/c_std/std_cstring.h
index 934e491def6..066342aaaba 100644
--- a/libstdc++-v3/include/c_std/std_cstring.h
+++ b/libstdc++-v3/include/c_std/std_cstring.h
@@ -41,8 +41,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CSTRING
-#define _CSTRING 1
+#ifndef _CPP_CSTRING
+#define _CPP_CSTRING 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_ctime.h b/libstdc++-v3/include/c_std/std_ctime.h
index b7ed90698a2..1b4c09b77cc 100644
--- a/libstdc++-v3/include/c_std/std_ctime.h
+++ b/libstdc++-v3/include/c_std/std_ctime.h
@@ -41,8 +41,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CTIME
-#define _CTIME 1
+#ifndef _CPP_CTIME
+#define _CPP_CTIME 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_cwchar.h b/libstdc++-v3/include/c_std/std_cwchar.h
index 2e0bbb1cdb9..f67f00610f5 100644
--- a/libstdc++-v3/include/c_std/std_cwchar.h
+++ b/libstdc++-v3/include/c_std/std_cwchar.h
@@ -41,8 +41,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CWCHAR
-#define _CWCHAR 1
+#ifndef _CPP_CWCHAR
+#define _CPP_CWCHAR 1
 
 #pragma GCC system_header
 
diff --git a/libstdc++-v3/include/c_std/std_cwctype.h b/libstdc++-v3/include/c_std/std_cwctype.h
index c7c25ae0afb..e469194aa19 100644
--- a/libstdc++-v3/include/c_std/std_cwctype.h
+++ b/libstdc++-v3/include/c_std/std_cwctype.h
@@ -41,8 +41,8 @@
  *  contained in the namespace @c std.
  */
 
-#ifndef _CWCTYPE
-#define _CWCTYPE 1
+#ifndef _CPP_CWCTYPE
+#define _CPP_CWCTYPE 1
 
 #pragma GCC system_header