From: Eli Zaretskii <eliz@gnu.org>
Date: Sun, 2 Sep 2001 17:29:14 +0000 (+0000)
Subject: (c-macro-preprocessor): Use "gcc -E" for
X-Git-Tag: emacs-pretest-21.0.106~277
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=883310a73162f2e7f85aefbb98d0b60d4a676589;p=emacs.git

(c-macro-preprocessor): Use "gcc -E" for
MS-DOS, since cpp might not be available.
---

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 099da8d1dc5..fd3907897d5 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2001-09-02  Eli Zaretskii  <eliz@is.elta.co.il>
 
+	* progmodes/cmacexp.el (c-macro-preprocessor): Use "gcc -E" for
+	MS-DOS, since cpp might not be available.
+
 	* menu-bar.el (menu-bar-edit-menu) <yank-menu, yank>: Mention
 	"yank" in the help-echo text.  Suggested by Pavel Jan,Bm(Bk
 	<Pavel@Janik.cz>.
diff --git a/lisp/progmodes/cmacexp.el b/lisp/progmodes/cmacexp.el
index a701da6e808..a42df869dfd 100644
--- a/lisp/progmodes/cmacexp.el
+++ b/lisp/progmodes/cmacexp.el
@@ -108,8 +108,10 @@
   :group 'c-macro)
 
 (defcustom c-macro-preprocessor
-  ;; Cannot rely on standard directory on MS-DOS to find CPP.
-  (cond ((eq system-type 'ms-dos) "cpp -C")
+  ;; Cannot rely on standard directory on MS-DOS to find CPP.  In
+  ;; fact, cannot rely on having cpp.exe, either, in latest GCC
+  ;; versions.
+  (cond ((eq system-type 'ms-dos) "gcc -E -C -o - -")
 	;; Solaris has it in an unusual place.
 	((and (string-match "^[^-]*-[^-]*-\\(solaris\\|sunos5\\)"
 			    system-configuration)