Added configure check for execinfo.h.

git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@259 e378c898-3ddf-0310-93e7-cc216c733640

configure.ac

@@ -35,6 +35,7 @@ AC_ARG_ENABLE(werror,
 
 AC_SEARCH_LIBS(wbkgdset, ncurses curses,,echo "*** The ncurses library is required!";exit 1)
 
+TORRENT_CHECK_EXECINFO()
 TORRENT_CHECK_CURL()
 TORRENT_OTFD()
 

scripts/checks.m4

@@ -114,3 +114,20 @@ AC_DEFUN([TORRENT_OTFD], [
 
   AC_LANG_POP(C++)
 ])
+
+
+AC_DEFUN([TORRENT_CHECK_EXECINFO], [
+
+  AC_MSG_CHECKING(for execinfo.h)
+
+  AC_COMPILE_IFELSE(
+    [[#include <execinfo.h>
+      int main() { backtrace((void**)0, 0); backtrace_symbols((char**)0, 0); return 0;}
+    ]],
+    [
+      AC_MSG_RESULT(yes)
+      AC_DEFINE(USE_EXECINFO, 1, Use execinfo.h)
+    ], [
+      AC_MSG_RESULT(no)
+  ])
+])

src/display/canvas.h

@@ -12,25 +12,26 @@ public:
     m_window(newwin(height, width, y, x)) {}
   ~Canvas() { delwin(m_window); }
 
-  void      refresh()                                          { wnoutrefresh(m_window); }
+  void        refresh()                                        { wnoutrefresh(m_window); }
-  void      redraw()                                           { redrawwin(m_window); }
+  static void refresh_std()                                    { wnoutrefresh(stdscr); }
+  void        redraw()                                         { redrawwin(m_window); }
 
-  void      resize(int w, int h)                               { wresize(m_window, h, w); }
+  void        resize(int w, int h)                             { wresize(m_window, h, w); }
-  void      resize(int x, int y, int w, int h);
+  void        resize(int x, int y, int w, int h);
 
-  int       get_x()                                            { int x, y; getyx(m_window, y, x); return x; }
+  int         get_x()                                          { int x, y; getyx(m_window, y, x); return x; }
-  int       get_y()                                            { int x, y; getyx(m_window, y, x); return y; }
+  int         get_y()                                          { int x, y; getyx(m_window, y, x); return y; }
-  int       get_width()                                        { int x, y; getmaxyx(m_window, y, x); return x; }
+  int         get_width()                                      { int x, y; getmaxyx(m_window, y, x); return x; }
-  int       get_height()                                       { int x, y; getmaxyx(m_window, y, x); return y; }
+  int         get_height()                                     { int x, y; getmaxyx(m_window, y, x); return y; }
-  chtype    get_background()                                   { return getbkgd(m_window); }
+  chtype      get_background()                                 { return getbkgd(m_window); }
-  void      set_background(chtype c)                           { return wbkgdset(m_window, c); }
+  void        set_background(chtype c)                         { return wbkgdset(m_window, c); }
 
-  void      erase()                                            { werase(m_window); }
+  void        erase()                                          { werase(m_window); }
 
-  void      print_border(chtype ls, chtype rs,
+  void        print_border(chtype ls, chtype rs,
-			 chtype ts, chtype bs,
+			   chtype ts, chtype bs,
-			 chtype tl, chtype tr,
+			   chtype tl, chtype tr,
-			 chtype bl, chtype br)                 { wborder(m_window, ls, rs, ts, bs, tl, tr, bl, br); }
+			   chtype bl, chtype br)               { wborder(m_window, ls, rs, ts, bs, tl, tr, bl, br); }
 
   // Initialize stdscr.
   static void init();
@@ -41,28 +42,28 @@ public:
 
   static void do_update()                                      { doupdate(); }
 
-  void      print(int x, int y, const char* str)               { mvwprintw(m_window, y, x, str); }
+  void print(int x, int y, const char* str)                    { mvwprintw(m_window, y, x, str); }
 
   template <typename A1>
-  void      print(int x, int y, const char* str, A1 a1)        { mvwprintw(m_window, y, x, str, a1); }
+  void print(int x, int y, const char* str, A1 a1)             { mvwprintw(m_window, y, x, str, a1); }
 
   template <typename A1, typename A2>
-  void      print(int x, int y, const char* str, A1 a1, A2 a2) { mvwprintw(m_window, y, x, str, a1, a2); }
+  void print(int x, int y, const char* str, A1 a1, A2 a2)      { mvwprintw(m_window, y, x, str, a1, a2); }
 
   template <typename A1, typename A2, typename A3>
-  void      print(int x, int y, const char* str,
+  void print(int x, int y, const char* str,
 		  A1 a1, A2 a2, A3 a3)                         { mvwprintw(m_window, y, x, str, a1, a2, a3); }
 
   template <typename A1, typename A2, typename A3, typename A4>
-  void      print(int x, int y, const char* str,
+  void print(int x, int y, const char* str,
 		  A1 a1, A2 a2, A3 a3, A4 a4)                  { mvwprintw(m_window, y, x, str, a1, a2, a3, a4); }
 
   template <typename A1, typename A2, typename A3, typename A4, typename A5>
-  void      print(int x, int y, const char* str,
+  void print(int x, int y, const char* str,
 		  A1 a1, A2 a2, A3 a3, A4 a4, A5 a5)           { mvwprintw(m_window, y, x, str, a1, a2, a3, a4, a5); }
 
   template <typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
-  void      print(int x, int y, const char* str,
+  void print(int x, int y, const char* str,
 		  A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6)    { mvwprintw(m_window, y, x, str, a1, a2, a3, a4, a5, a6); }
 
 private:

src/display/manager.cc

@@ -65,7 +65,7 @@ Manager::adjust_layout() {
 
 void
 Manager::do_update() {
-  wnoutrefresh(stdscr);
+  Canvas::refresh_std();
 
   std::for_each(begin(), end(), std::mem_fun(&Window::redraw));
   std::for_each(begin(), end(), std::mem_fun(&Window::refresh));

src/main.cc

@@ -5,8 +5,6 @@
 #include <torrent/torrent.h>
 #include <sigc++/bind.h>
 
-#define USE_EXECINFO
-
 #ifdef USE_EXECINFO
 #include <execinfo.h>
 #endif