Set default host and target charsets in the DJGPP port.

	* config/djgpp/config.sed (am_cv_langinfo_codeset)
	(bash_cv_langinfo_codeset, ac_cv_header_nl_types_h): Set to "yes"
	in all configure scripts that define ac_cv_env_CPP_value.
	* go32-nat.c (dos_codepage, nl_langinfo): New functions.
	Include langinfo.h.
	* config/djgpp/nl_types.h: New file.
	* config/djgpp/langinfo.h: New file.
	* config/i386/go32.mh (MH_CFLAGS): Add $(srcdir)/config/djgpp.

4 files changed, 69 insertions, 1 deletions

diff --git a/gdb/config/djgpp/config.sed b/gdb/config/djgpp/config.sed
index 536a445..98882cf 100644
--- a/gdb/config/djgpp/config.sed
+++ b/gdb/config/djgpp/config.sed
@@ -25,6 +25,12 @@ s|\.gdbinit|gdb.ini|g
   s,config\\.h\\.in,config.h-in,g;t t\
   s,po2tbl\\.sed\\.in,po2tblsed.in,g;t t
 
+# We have an emulation of nl_langinfo in go32-nat.c that supports CODESET.
+/^ac_cv_env_CPP_value=/a\
+am_cv_langinfo_codeset=yes\
+bash_cv_langinfo_codeset=yes\
+ac_cv_header_nl_types_h=yes
+
 # Prevent splitting of config.status substitutions, because that
 # might break multi-line sed commands.
 /ac_max_sed_lines=[0-9]/s,=.*$,=`sed -n "$=" $tmp/subs.sed`,
diff --git a/gdb/config/djgpp/langinfo.h b/gdb/config/djgpp/langinfo.h
new file mode 100644
index 0000000..631f360
--- /dev/null
+++ b/gdb/config/djgpp/langinfo.h
@@ -0,0 +1,35 @@
+/* langinfo.h file for DJGPP.
+   Copyright (C) 2009 Free Software Foundation, Inc.
+   Written by Eli Zaretskii.
+
+   This file is part of GDB.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _LANGINFO_H
+#define _LANGINFO_H
+
+#include <nl_types.h>
+
+enum {
+  CODESET,
+  /* Number of enumerated values.  */
+  _NL_NUM
+};
+
+#define CODESET CODESET
+
+extern char *nl_langinfo (nl_item);
+
+#endif /* _LANGINFO_H */
diff --git a/gdb/config/djgpp/nl_types.h b/gdb/config/djgpp/nl_types.h
new file mode 100644
index 0000000..012b5fa
--- /dev/null
+++ b/gdb/config/djgpp/nl_types.h
@@ -0,0 +1,25 @@
+/* nl_types.h for DJGPP.
+   Copyright (C) 2009 Free Software Foundation, Inc.
+   Written by Eli Zaretskii.
+
+   This file is part of GDB.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _NL_TYPES_H
+#define _NL_TYPES_H
+
+typedef int nl_item;
+
+#endif	/* _NL_TYPES_H */
diff --git a/gdb/config/i386/go32.mh b/gdb/config/i386/go32.mh
index c488ab2..73dc70e 100644
--- a/gdb/config/i386/go32.mh
+++ b/gdb/config/i386/go32.mh
@@ -1,5 +1,7 @@
 # Host: Intel x86 running DJGPP
-MH_CFLAGS= 
+
+# We include several header files from config/djgpp
+MH_CFLAGS= -I$(srcdir)/config/djgpp
 
 NAT_FILE= nm-go32.h
 NATDEPFILES= go32-nat.o i386-nat.o