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-rw-r--r--Makefile15
1 files changed, 14 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index faaaec64..619392d3 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ all:
subdirs = compat completion emacs lib
# We make all targets depend on the Makefiles themselves.
-global_deps = Makefile Makefile.local \
+global_deps = Makefile Makefile.config Makefile.local \
$(subdirs:%=%/Makefile) $(subdirs:%=%/Makefile.local)
# Sub-directory Makefile.local fragments can append to these variables
@@ -15,6 +15,19 @@ global_deps = Makefile Makefile.local \
extra_cflags :=
extra_cxxflags :=
+# Get settings from the output of configure by running it to generate
+# Makefile.config if it doesn't exist yet. And add Makefile.config to
+# our global dependency list.
+include Makefile.config
+Makefile.config: configure
+ @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
+
# Finally, include all of the Makefile.local fragments where all the
# real work is done.