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Parallel make installs often cause 2 concurrent install -d to fail
while they are creating the path to the target dirs.
This patch changes the failure to a warning so that a make -j6 install doesn't
fails as often as it does on Gentoo/FreeBSD, if it uses /usr/bin/install.
--- usr.bin/xinstall/xinstall.c.orig
+++ usr.bin/xinstall/xinstall.c
@@ -748,9 +748,17 @@
ch = *p;
*p = '\0';
if (stat(path, &sb)) {
- if (errno != ENOENT || mkdir(path, 0755) < 0) {
+ if (errno != ENOENT) {
err(EX_OSERR, "mkdir %s", path);
/* NOTREACHED */
+ } else if (mkdir(path, 0755) < 0) {
+ /* Previos errno from stat() says that the directory didn't exist (ENOENT)
+ * But if errno is now EEXIST, then we just hit a parallel make bug.
+ */
+ if (errno == EEXIST)
+ warn("mkdir: %s now exists!", path); /* let me know when this happens */
+ else
+ err(EX_OSERR, "mkdir %s", path);
} else if (verbose)
(void)printf("install: mkdir %s\n",
path);
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