man: conditionally build man page

ronn is not exactly in coreutils, so it seems silly to fail the build if it is missing.
wkz · May 14, 2019 · fcbb095 · fcbb095
1 parent 1fa6fa4
commit fcbb095
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/Makefile.am b/Makefile.am
@@ -1,4 +1,8 @@
-SUBDIRS         = include lib man src
+if HAVE_RONN
+MAN_DIR = man
+endif
+
+SUBDIRS         = include lib $(MAN_DIR) src
 doc_DATA        = README.md COPYING
 EXTRA_DIST      = CHANGELOG.md README.md
 DISTCLEANFILES  = *~ *.d

diff --git a/configure.ac b/configure.ac
@@ -18,6 +18,9 @@ AC_PROG_LEX
 AC_PROG_YACC
 AM_PROG_LIBTOOL
 
+AC_CHECK_PROG(HAVE_RONN,ronn,yes)
+AM_CONDITIONAL(HAVE_RONN, test "$HAVE_RONN" = "yes")
+
 AC_HEADER_STDC
 AC_CHECK_HEADERS(linux/bpf.h linux/perf_event.h linux/version.h)