[tracker/miner-web-review: 41/74] Do not link against HAL when using DeviceKit-power

[Adrien Bustany <abustany src gnome org>]

commit b0aecb4d008c762c4ebe8fe2e1a5e598b345c7ca
Author: Jürg Billeter <j bitron ch>
Date:   Thu Feb 25 15:52:14 2010 +0100

    Do not link against HAL when using DeviceKit-power

 configure.ac |   68 +++++++++++++++++++++++++++++----------------------------
 1 files changed, 35 insertions(+), 33 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 7492331..e1424f7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -414,38 +414,6 @@ fi
 
 
 ##################################################################
-# Check for HAL
-##################################################################
-
-AC_ARG_ENABLE(hal,
-	      AS_HELP_STRING([--disable-hal],
-			     [disable HAL support for AC power detection [[default=yes]]]),,
-	      [enable_hal=yes])
-
-if test "x$enable_hal" != "xno"; then
-   PKG_CHECK_MODULES(HAL,
-                     [hal >= $HAL_REQUIRED],
-		     [have_hal=yes] ,
-		     [have_hal=no])
-   AC_SUBST(HAL_CFLAGS)
-   AC_SUBST(HAL_LIBS)
-
-   if test "x$have_hal" = "xyes"; then
-      AC_DEFINE(HAVE_HAL, [], [Define if we have HAL])
-   fi
-else
-   have_hal="no  (disabled)"
-fi
-
-if test "x$enable_hal" = "xyes"; then
-   if test "x$have_hal" != "xyes"; then
-      AC_MSG_ERROR([Couldn't find hal >= $HAL_REQUIRED.])
-   fi
-fi
-
-AM_CONDITIONAL(HAVE_HAL, test "x$have_hal" = "xyes")
-
-##################################################################
 # Check for DeviceKit-power
 ##################################################################
 
@@ -471,13 +439,47 @@ fi
 
 if test "x$enable_devkit_power" = "xyes"; then
    if test "x$have_devkit_power" != "xyes"; then
-      AC_MSG_ERROR([Couldn't find devkit_power >= $DEVKIT_POWER_REQUIRED and devkit_power-storage.])
+      AC_MSG_ERROR([Couldn't find devkit_power >= $DEVKIT_POWER_REQUIRED.])
    fi
 fi
 
 AM_CONDITIONAL(HAVE_DEVKIT_POWER, test "x$have_devkit_power" = "xyes")
 
 ##################################################################
+# Check for HAL
+##################################################################
+
+AC_ARG_ENABLE(hal,
+	      AS_HELP_STRING([--disable-hal],
+			     [disable HAL support for AC power detection [[default=auto]]]),,
+	      [enable_hal=auto])
+
+if test "x$have_devkit_power" != "xyes" && test "x$enable_hal" != "xno"; then
+   PKG_CHECK_MODULES(HAL,
+                     [hal >= $HAL_REQUIRED],
+		     [have_hal=yes] ,
+		     [have_hal=no])
+   AC_SUBST(HAL_CFLAGS)
+   AC_SUBST(HAL_LIBS)
+
+   if test "x$have_hal" = "xyes"; then
+      AC_DEFINE(HAVE_HAL, [], [Define if we have HAL])
+   fi
+else
+   have_hal="no  (disabled)"
+fi
+
+if test "x$enable_hal" = "xyes"; then
+   if test "x$have_devkit_power" = "xyes"; then
+      AC_MSG_ERROR([Only one of DeviceKit-power and HAL can be used.])
+   elif test "x$have_hal" != "xyes"; then
+      AC_MSG_ERROR([Couldn't find hal >= $HAL_REQUIRED.])
+   fi
+fi
+
+AM_CONDITIONAL(HAVE_HAL, test "x$have_hal" = "xyes")
+
+##################################################################
 # Check for libxml2
 ##################################################################