X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;f=Makefile;h=f53bec0ea401a4b110f7e1c5d5e26c1896bcaf79;hb=2a865351dd44fea69a580978baf325353b13d4cb;hp=2fb2a61354c7bbd3ca75219150e7ebaf1b0e7944;hpb=1dedfc90f6eee7cad10f1a1ceb39a7a1c4dbd1b1;p=notmuch

diff --git a/Makefile b/Makefile
index 2fb2a613..f53bec0e 100644
--- a/Makefile
+++ b/Makefile
@@ -2,8 +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 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 doc emacs lib parse-time-string performance-test util test
 
 # We make all targets depend on the Makefiles themselves.
 global_deps = Makefile Makefile.config Makefile.local \