X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=configure.ac;h=6c9ba149c613f33ddc1492abc6b21b777bf0500d;hb=5fada852803f8ffc68c6f28ee2cf91808afa906f;hp=f4e10367e01425f683075b0687a538c00576d3ce;hpb=41160f3dbf0cb61e23a02338da1f289a2ff00066;p=elogind.git

diff --git a/configure.ac b/configure.ac
index f4e10367e..6c9ba149c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -49,6 +49,8 @@ AC_SEARCH_LIBS([clock_gettime], [rt], [], [AC_MSG_ERROR([*** POSIX RT library no
 AC_SEARCH_LIBS([cap_init], [cap], [], [AC_MSG_ERROR([*** POSIX caps library not found])])
 AC_CHECK_HEADERS([sys/capability.h], [], [AC_MSG_ERROR([*** POSIX caps headers not found])])
 
+# This makes sure pkg.m4 is available.
+m4_pattern_forbid([^_?PKG_[A-Z_]+$],[pkg.m4 missing, please install pkg-config])
 PKG_CHECK_MODULES(UDEV, [ libudev ])
 AC_SUBST(UDEV_CFLAGS)
 AC_SUBST(UDEV_LIBS)
@@ -85,7 +87,7 @@ PKG_CHECK_MODULES( CGROUP, [ libcgroup >= 0.35 ], [],
 AC_SUBST(CGROUP_CFLAGS)
 AC_SUBST(CGROUP_LIBS)
 
-AM_PROG_VALAC()
+AM_PROG_VALAC([0.7])
 AC_SUBST(VAPIDIR)
 
 AC_ARG_WITH(distro, AS_HELP_STRING([--with-distro=DISTRO],[Specify the distribution to target: One of fedora, suse, debian, or none]))