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authorLudovic Courtès <ludo@gnu.org>2013-08-29 21:50:13 +0200
committerLudovic Courtès <ludo@gnu.org>2013-08-29 21:58:53 +0200
commitcb9e50f618081275b50489943d5655abfb85c84d (patch)
tree5b15e7d3f22b1c898df4d42e341f5abd74a6f666
parenta9424c0887f688e812e498a2556df4b1d9218268 (diff)
build: Use `missing' for `dot'.
* configure.ac: Substitute `DOT'. * doc.am (.dot.png, .dot.eps): Use $(DOT).
-rw-r--r--configure.ac4
-rw-r--r--doc.am4
2 files changed, 6 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac
index 7a7262f967..934ced5d72 100644
--- a/configure.ac
+++ b/configure.ac
@@ -121,6 +121,10 @@ AC_CACHE_SAVE
m4_include([config-daemon.ac])
+dnl `dot' (from the Graphviz package) is only needed for maintainers.
+dnl See `HACKING' for more info.
+AM_MISSING_PROG([DOT], [dot])
+
AC_CONFIG_FILES([Makefile
po/Makefile.in
guix/config.scm])
diff --git a/doc.am b/doc.am
index afd492c605..2bc3416edd 100644
--- a/doc.am
+++ b/doc.am
@@ -33,11 +33,11 @@ DOT_OPTIONS = \
-Nfontsize=9 -Nheight=.1 -Nwidth=.1
.dot.png:
- dot -Tpng $(DOT_OPTIONS) < "$<" > "$@.tmp"
+ $(DOT) -Tpng $(DOT_OPTIONS) < "$<" > "$@.tmp"
mv "$@.tmp" "$@"
.dot.eps:
- dot -Teps $(DOT_OPTIONS) < "$<" > "$@.tmp"
+ $(DOT) -Teps $(DOT_OPTIONS) < "$<" > "$@.tmp"
mv "$@.tmp" "$@"
# We cannot add new dependencies to `doc/guix.pdf' & co. (info "(automake)