From: Mark Wooding <mwooding@good.com>
Date: Tue, 16 Jul 2013 10:49:30 +0000 (+0100)
Subject: Make `rfreezefs' optional, conditioned on whether we find mLib.
X-Git-Tag: 1.0.0~4
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/rsync-backup/commitdiff_plain/b5d0a3db5b179aafd9a3cfcb7e43288424fa110e

Make `rfreezefs' optional, conditioned on whether we find mLib.
---

diff --git a/Makefile.am b/Makefile.am
index 4fa8227..18bceaa 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -28,8 +28,10 @@ sbin_SCRIPTS		 =
 sbin_PROGRAMS		 =
 dist_noinst_SCRIPTS	 =
 dist_man_MANS		 =
+man_MANS		 =
 
 EXTRA_DIST		 =
+EXTRA_PROGRAMS		 =
 CLEANFILES		 =
 DISTCLEANFILES		 =
 
@@ -59,10 +61,14 @@ SUBST = $(V_SUBST)$(confsubst)
 ###--------------------------------------------------------------------------
 ### Programs and scripts.
 
-sbin_PROGRAMS		+= rfreezefs
-dist_man_MANS		+= rfreezefs.8
+EXTRA_PROGRAMS		+= rfreezefs
 rfreezefs_SOURCES	 = rfreezefs.c
 rfreezefs_LDADD		 = $(mLib_LIBS)
+EXTRA_DIST		+= rfreezefs.8
+if HAVE_MLIB
+sbin_PROGRAMS		+= rfreezefs
+man_MANS		+= rfreezefs.8
+endif
 
 sbin_SCRIPTS		+= rsync-backup
 dist_man_MANS		+= rsync-backup.8
diff --git a/configure.ac b/configure.ac
index e03e400..66c16e7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -60,7 +60,8 @@ dnl Programming environments.
 dnl C compilers and libraries.
 AC_PROG_CC
 AX_CFLAGS_WARN_ALL
-PKG_CHECK_MODULES([mLib], [mLib >= 2.1.0])
+PKG_CHECK_MODULES([mLib], [mLib >= 2.1.0], [have_mlib=t], [have_mlib=nil])
+AM_CONDITIONAL([HAVE_MLIB], [test $have_mlib = t])
 
 dnl Bourne-Again Shell.
 AC_PATH_PROG([BASH], [bash])