X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=configure.ac;h=6c9ba149c613f33ddc1492abc6b21b777bf0500d;hb=5fada852803f8ffc68c6f28ee2cf91808afa906f;hp=95456cd0bc9ba41235ec3b9256ecebba9de9d39a;hpb=d7c114c00030309435fc56c77c8578a25d228ebe;p=elogind.git

diff --git a/configure.ac b/configure.ac
index 95456cd0b..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)
@@ -61,19 +63,31 @@ PKG_CHECK_MODULES(DBUSGLIB, [ dbus-glib-1 ])
 AC_SUBST(DBUSGLIB_CFLAGS)
 AC_SUBST(DBUSGLIB_LIBS)
 
-PKG_CHECK_MODULES(GEE, [ gee-1.0 ])
-AC_SUBST(GEE_CFLAGS)
-AC_SUBST(GEE_LIBS)
-
 PKG_CHECK_MODULES(GTK, [ gtk+-2.0 ])
 AC_SUBST(GTK_CFLAGS)
 AC_SUBST(GTK_LIBS)
 
-PKG_CHECK_MODULES(CGROUP, [ libcgroup ])
+PKG_CHECK_MODULES( CGROUP, [ libcgroup >= 0.35 ], [],
+    [AC_CHECK_HEADER( [libcgroup.h], [], [AC_MSG_ERROR([*** libcgroup.h not found])], )
+     save_CPPFLAGS="$CPPFLAGS"
+     save_LIBS="$LIBS"
+     CGROUP_LIBS=${CGROUP_LIBS:--lcgroup}
+     LIBS="$LIBS $CGROUP_LIBS"
+     CPPFLAGS="$CPPFLAGS $CGROUP_CFLAGS"
+     AC_MSG_CHECKING([for libcgroup >= 0.35])
+     AC_LINK_IFELSE(
+         [AC_LANG_PROGRAM([[#include <libcgroup.h>]], [[ CGFLAG_DELETE_RECURSIVE; cgroup_init(); ]])],
+         [AC_MSG_RESULT([yes])],
+         [AC_MSG_RESULT([no]); AC_MSG_ERROR([*** systemd needs libcgroup 0.35 or newer])],
+         [${CGROUP_LIBS}])
+     CPPFLAGS="$save_CPPFLAGS"
+     LIBS="$save_LIBS"
+    ])
+
 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]))