autoconf: Add configure target to main Makefile

diff --git a/Makefile b/Makefile
index ae4c0f2d905c6b934459d472a17183f2740c1a2c..d8cc83507d4339181bc42a7593f516a11e53319c 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -595,6 +595,13 @@ git-instaweb: git-instaweb.sh gitweb/gitweb.cgi gitweb/gitweb.css
        chmod +x $@+
        mv $@+ $@
 
+configure: configure.ac
+       rm -f $@ $<+
+       sed -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
+           $< > $<+
+       autoconf -o $@ $<+
+       rm -f $<+
+
 # These can record GIT_VERSION
 git$X git.spec \
        $(patsubst %.sh,%,$(SCRIPT_SH)) \