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-rw-r--r--src/w32proc.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/src/w32proc.c b/src/w32proc.c
index 66a9761ad13..d861edeb78b 100644
--- a/src/w32proc.c
+++ b/src/w32proc.c
@@ -1815,7 +1815,17 @@ sys_spawnve (int mode, char *cmdname, char **argv, char **envp)
if (egetenv ("CMDPROXY"))
strcpy (cmdname, egetenv ("CMDPROXY"));
else
- strcpy (lispstpcpy (cmdname, Vinvocation_directory), "cmdproxy.exe");
+ {
+ char *q = lispstpcpy (cmdname, Vexec_directory);
+ /* If we are run from the source tree, use cmdproxy.exe from
+ the same source tree. */
+ for (p = q - 2; p > cmdname; p--)
+ if (*p == '/')
+ break;
+ if (*p == '/' && xstrcasecmp (p, "/lib-src/") == 0)
+ q = stpcpy (p, "/nt/");
+ strcpy (q, "cmdproxy.exe");
+ }
/* Can't use unixtodos_filename here, since that needs its file
name argument encoded in UTF-8. */