X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;f=Makefile;h=f53bec0ea401a4b110f7e1c5d5e26c1896bcaf79;hb=2a865351dd44fea69a580978baf325353b13d4cb;hp=ffee659b0eb5f4ccf2921647838a16a66c2f6c69;hpb=c4302656123e8c8bc8120400dc266f4acac5a16e;p=notmuch

diff --git a/Makefile b/Makefile
index ffee659b..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 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 \
@@ -25,13 +27,15 @@ srcdir ?= .
 
 include Makefile.config
 Makefile.config: $(srcdir)/configure
+ifeq ($(configure_options),)
 	@echo ""
 	@echo "Note: Calling ./configure with no command-line arguments. This is often fine,"
 	@echo "      but if you want to specify any arguments (such as an alternate prefix"
 	@echo "      into which to install), call ./configure explicitly and then make again."
 	@echo "      See \"./configure --help\" for more details."
 	@echo ""
-	./configure
+endif
+	$(srcdir)/configure $(configure_options)
 
 # Finally, include all of the Makefile.local fragments where all the
 # real work is done.