makedep: Handle non-overwriting rename for Windows.

8e0b1746 · Dylan Smith · Alexandre Julliard · 7823679e · 8e0b1746
Commit 8e0b1746 authored Aug 22, 2009 by Dylan Smith Committed by Alexandre Julliard Aug 24, 2009
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makedep.c tools/makedep.c +8 -1

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--- a/tools/makedep.c
+++ b/tools/makedep.c
@@ -960,7 +960,14 @@ static void output_dependencies(void)
    if (tmp_name)
    {
-        if (rename( tmp_name, OutputFileName ) == -1)
+        int ret = rename( tmp_name, OutputFileName );
+        if (ret == -1 && errno == EEXIST)
+        {
+            /* rename doesn't overwrite on windows */
+            unlink( OutputFileName );
+            ret = rename( tmp_name, OutputFileName );
+        }
+        if (ret == -1)
        {
            unlink( tmp_name );
            fatal_error( "failed to rename output file to '%s'\n", OutputFileName );