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-rw-r--r--Makefile7
1 files changed, 4 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index 73a85546..0428160b 100644
--- a/Makefile
+++ b/Makefile
@@ -2,9 +2,10 @@
# given explicitly on the command line) so mention it first.
all:
-# List all subdirectories here. Each contains its own Makefile.local
-subdirs := compat completion emacs lib man parse-time-string
-subdirs += performance-test util test
+# List all subdirectories here. Each contains its own Makefile.local.
+# Use of '=', without '+=', seems to be required for out-of-tree
+# builds to work.
+subdirs = compat completion emacs lib man parse-time-string performance-test util test
# We make all targets depend on the Makefiles themselves.
global_deps = Makefile Makefile.config Makefile.local \