Don't install FreeSans.ttf if a custom font file is specified.

Document --enable-font-file configure option.

Author: acaudwell

INSTALL

@@ -63,6 +63,12 @@ If you already have these fonts, you can configure Gource to use them with:
 
     ./configure --enable-ttf-font-dir=/path/to/freefont/
 
+You can also build Gource with a different font:
+
+    ./configure --enable-font-file=/path/to/alternate/font.ttf
+
+The font file format must be supported by Free Type 2.
+
 Gource includes a copy of TinyXML. To build against the system version of the
 library use:
 

Makefile.am

@@ -80,12 +80,11 @@ endif
 
 if FONTFILE
 AM_CPPFLAGS += -DGOURCE_FONT_FILE=\"$(gourcefontfile)\"
-endif
-
+else
 if FONTDIR
 AM_CPPFLAGS += -DSDLAPP_FONT_DIR=\"$(gourcefontdir)\"
 else
 fontsdir = $(pkgdatadir)/fonts
 dist_fonts_DATA = data/fonts/README data/fonts/FreeSans.ttf
 endif
-
+endif