Add note about autogen.sh to INSTALL

diff --git a/INSTALL b/INSTALL
index b955837707d10ffd0ce2ac27af84e4b7485ec807..754a32b93efca0203eb45959f9fcbfe059e5609b 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -2,7 +2,12 @@ Fontconfig is built with the traditional configure script:
 
        $ ./configure --sysconfdir=/etc --prefix=/usr --mandir=/usr/share/man
 
-This should generate valid Makefiles, then:
+If you checked out from the git repository (as opposed to downloading a
+tarball), you need to run autogen.sh instead of configure:
+
+       $ ./autogen.sh --sysconfdir=/etc --prefix=/usr --mandir=/usr/share/man
+
+Either way, that should generate valid Makefiles, then:
 
        $ make
        $ make install