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stub termcap, add extern "C" 

Fixes linking an --enable-build-with-cxx build on mingw:

 ../readline/terminal.c:278: undefined reference to `tgetnum'
 ../readline/terminal.c:297: undefined reference to `tgetnum'
 ../readline/libreadline.a(terminal.o): In function `get_term_capabilities':
 ../readline/terminal.c:427: undefined reference to `tgetstr'
 ../readline/libreadline.a(terminal.o): In function `_rl_init_terminal_io':
 [etc.]

gdb/ChangeLog:
2015-03-16  Yuanhui Zhang  <asmwarrior@gmail.com>
	    Pedro Alves  <palves@redhat.com>

	* gdb_curses.h (tgetnum): Mark with EXTERN_C.
	* stub-termcap.c (tgetent, tgetnum, tgetflag, tgetstr, tputs)
	(tgoto): Wrap with extern "C".
This commit is contained in:
Yuanhui Zhang 2015-03-16 11:28:24 +00:00 committed by Pedro Alves
parent b1a921c8c6
commit d053f6be55
3 changed files with 16 additions and 1 deletions
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7
gdb/ChangeLog
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@ -1,3 +1,10 @@
2015-03-16 Yuanhui Zhang <asmwarrior@gmail.com>
Pedro Alves <palves@redhat.com>
* gdb_curses.h (tgetnum): Mark with EXTERN_C.
* stub-termcap.c (tgetent, tgetnum, tgetflag, tgetstr, tputs)
(tgoto): Wrap with extern "C".
2015-03-16 Pedro Alves <palves@redhat.com>
Yuanhui Zhang <asmwarrior@gmail.com>

2
gdb/gdb_curses.h
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@ -51,7 +51,7 @@
of the termcap functions will be built from stub-termcap.c. Readline
provides its own extern declarations when there's no termcap.h; do the
same here for the termcap functions used in GDB. */
extern int tgetnum (const char *);
EXTERN_C int tgetnum (const char *);
#endif
/* SunOS's curses.h has a '#define reg register' in it. Thank you Sun. */

8
gdb/stub-termcap.c
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@ -24,6 +24,10 @@
#include <stdlib.h>
#ifdef __cplusplus
extern "C" {
#endif
/* -Wmissing-prototypes */
extern int tgetent (char *buffer, char *termtype);
extern int tgetnum (char *name);
@ -32,6 +36,10 @@ extern char* tgetstr (char *name, char **area);
extern int tputs (char *string, int nlines, int (*outfun) (int));
extern char *tgoto (const char *cap, int col, int row);
#ifdef __cplusplus
}
#endif
/* Each of the files below is a minimal implementation of the standard
termcap function with the same name, suitable for use in a Windows
console window. */