kbuild: rust: avoid creating temporary files

[linux-block.git] / scripts / Makefile.host

diff --git a/scripts/Makefile.host b/scripts/Makefile.host
index 7aea9005e497001cbf7c61d1085b3b05b11deb7d..8f7f842b54f9ee2fc2c30c6b0c037fc3cb70ad99 100644 (file)
--- a/scripts/Makefile.host
+++ b/scripts/Makefile.host
@@ -86,7 +86,11 @@ hostc_flags    = -Wp,-MMD,$(depfile) \
 hostcxx_flags  = -Wp,-MMD,$(depfile) \
                  $(KBUILD_HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \
                  $(HOSTCXXFLAGS_$(target-stem).o)
-hostrust_flags = --emit=dep-info=$(depfile) \
+
+# `--out-dir` is required to avoid temporaries being created by `rustc` in the
+# current working directory, which may be not accessible in the out-of-tree
+# modules case.
+hostrust_flags = --out-dir $(dir $@) --emit=dep-info=$(depfile) \
                  $(KBUILD_HOSTRUSTFLAGS) $(HOST_EXTRARUSTFLAGS) \
                  $(HOSTRUSTFLAGS_$(target-stem))