emacs常用配置 gcc o 輸出檔案指定

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emacs常用配置整理及使用》第6條的配置了使用gcc/g++編譯的快捷鍵，如下：

(defun quick-compile ()

"a quick compile funciton for c"
(interactive)
(compile (concat "gcc " (buffer-name (current-buffer)) " -g -pg"))) ;;編譯c
(global-set-key [(f5)] 'quick-compile) ;;快捷鍵f5

(defun quick-compile ()

"a quick compile funciton for c"
(interactive)
(compile (concat "gcc " (buffer-name (current-buffer)) " -g -pg -o " 
(file-name-sans-extension (buffer-name (current-buffer))) ))) ;;編譯c
(global-set-key [(f5)] 'quick-compile) ;;快捷鍵f5

如下圖所示：

相應的gdb除錯的快捷設定也要修改，如下：

(defun quick-debug ()

"a quick debug funciton for c++"
(interactive)
;;(gdb (concat "gdb --annotate=3" " a.out"))) ;;除錯
(gdb (concat "gdb --annotate=3 " (file-name-sans-extension (buffer-name (current-buffer))) ))) ;;除錯 
(global-set-key [(f6)] 'quick-debug) ;;快捷鍵f6

然後開啟要除錯的檔案，按f6快捷鍵，gdb會自動載入當前buffer關聯的檔案，當然也可以在已有的gdb除錯視窗中使用如下命令，來載入要除錯的檔案：

(gdb) file 6.1

備註：如果使用《emacs常用配置整理及使用》所提供的.emacs配置檔案，需要做一些修改，注釋掉以下配置，否則會導致gdb多視窗除錯失敗。

;;shell,gdb退出後，自動關閉該buffer

;;(add-hook 'shell-mode-hook 'mode-hook-func)
;;(add-hook 'gdb-mode-hook 'mode-hook-func)
(defun mode-hook-func ()
(set-process-sentinel (get-buffer-process (current-buffer))
#'kill-buffer-on-exit))
(defun kill-buffer-on-exit (process state)
(message "%s" state)
(if (or
(string-match "exited abnormally with code.*" state)
(string-match "finished" state))
(kill-buffer (current-buffer))))

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