Support invocation of un-installed runemacs.exe.

 nt/runemacs.c (WinMain): Support invocation of un-installed
 nt/runemacs.exe, by looking for src/emacs.exe.

2 files changed, 10 insertions, 0 deletions

diff --git a/nt/ChangeLog b/nt/ChangeLog
index ebda94e80f3..696d320c8bc 100644
--- a/nt/ChangeLog
+++ b/nt/ChangeLog
@@ -1,3 +1,8 @@
+2013-05-17  Eli Zaretskii  <eliz@gnu.org>
+
+        * runemacs.c (WinMain): Support invocation of un-installed
+        nt/runemacs.exe, by looking for src/emacs.exe.
+
 2013-05-16  Eli Zaretskii  <eliz@gnu.org>
 
         * inc/stdint.h (SIZE_MAX) [!__GNUC__]: Define.  (Bug#14409)
diff --git a/nt/runemacs.c b/nt/runemacs.c
index b090ffdd639..fd1524a9c41 100644
--- a/nt/runemacs.c
+++ b/nt/runemacs.c
@@ -75,6 +75,11 @@ WinMain (HINSTANCE hSelf, HINSTANCE hPrev, LPSTR cmdline, int nShow)
   /* Quote executable name in case of spaces in the path. */
   *new_cmdline = '"';
   strcpy (new_cmdline + 1, modname);
+  /* Detect and handle un-installed runemacs.exe in nt/ subdirectory,
+     while emacs.exe is in src/.  */
+  if ((p = strrchr (new_cmdline, '\\')) != NULL
+      && stricmp (p, "\\nt") == 0)
+    strcpy (p, "\\src");
 
 #ifdef CHOOSE_NEWEST_EXE
   {