From b71f3d8bd4d6773899c1bdc903911cf240e68ead Mon Sep 17 00:00:00 2001
From: "Jan Alexander Steffens (heftig)" <jan.steffens@gmail.com>
Date: Sat, 15 Feb 2014 17:53:16 +0100
Subject: Backlight helper build fixes

Don't hardcode $(prefix)/libexec

Fix install hook when DESTDIR is set

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=75028
---
 configure.ac                                            | 1 +
 src/backlight.c                                         | 6 +++---
 tools/Makefile.am                                       | 9 ++++-----
 tools/org.x.xf86-video-intel.backlight-helper.policy.in | 2 +-
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/configure.ac b/configure.ac
index 7eb98931..18c1d2b4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -701,6 +701,7 @@ DRIVER_NAME="intel"
 AC_SUBST([DRIVER_NAME])
 AC_SUBST([moduledir])
 AC_DEFINE_DIR([PREFIX_PATH], prefix, [installation prefix])
+AC_DEFINE_DIR([LIBEXEC_PATH], libexecdir, [libexec directory])
 
 AC_CONFIG_FILES([
                 Makefile
diff --git a/src/backlight.c b/src/backlight.c
index cec0ceb8..b04b5f79 100644
--- a/src/backlight.c
+++ b/src/backlight.c
@@ -199,7 +199,7 @@ static int __backlight_helper_init(struct backlight *b, char *iface)
 	 * Either way, we have to trust that it is our backlight-helper
 	 * that is run and that we have scrutinised it carefully.
 	 */
-	if (stat(PREFIX_PATH "/libexec/xf86-video-intel-backlight-helper", &st))
+	if (stat(LIBEXEC_PATH "/xf86-video-intel-backlight-helper", &st))
 		return 0;
 
 	if ((st.st_mode & (S_IFREG | S_ISUID | S_IXUSR)) != (S_IFREG | S_ISUID | S_IXUSR)) {
@@ -219,10 +219,10 @@ static int __backlight_helper_init(struct backlight *b, char *iface)
 		close(fds[0]);
 		if (use_pkexec) {
 			execlp("pkexec", "pkexec",
-			       PREFIX_PATH "/libexec/xf86-video-intel-backlight-helper",
+			       LIBEXEC_PATH "/xf86-video-intel-backlight-helper",
 			       iface, (char *)0);
 		} else {
-			execle(PREFIX_PATH "/libexec/xf86-video-intel-backlight-helper",
+			execle(LIBEXEC_PATH "/xf86-video-intel-backlight-helper",
 			       "xf86-video-intel-backlight-helper",
 			       iface, (char *)0, env);
 		}
diff --git a/tools/Makefile.am b/tools/Makefile.am
index a5667f34..876e1b03 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -24,7 +24,6 @@ AM_CFLAGS = \
 	$(NULL)
 
 drivermandir = $(DRIVER_MAN_DIR)
-backlight_helperdir = $(prefix)/libexec
 policydir = $(datarootdir)/polkit-1/actions
 
 if BUILD_TOOLS
@@ -33,12 +32,12 @@ driverman_DATA = intel-virtual-output.$(DRIVER_MAN_SUFFIX)
 endif
 
 if BUILD_BACKLIGHT_HELPER
-backlight_helper_PROGRAMS = xf86-video-intel-backlight-helper
+libexec_PROGRAMS = xf86-video-intel-backlight-helper
 nodist_policy_DATA = org.x.xf86-video-intel.backlight-helper.policy
 
-backlight_helper = $(backlight_helperdir)/xf86-video-intel-backlight-helper
-install-data-hook:
-	-chown root $(backlight_helper) && chmod u+s $(backlight_helper)
+backlight_helper = $(libexecdir)/xf86-video-intel-backlight-helper
+install-exec-hook:
+	-chown root $(DESTDIR)$(backlight_helper) && chmod u+s $(DESTDIR)$(backlight_helper)
 endif
 
 intel_virtual_output_CFLAGS = \
diff --git a/tools/org.x.xf86-video-intel.backlight-helper.policy.in b/tools/org.x.xf86-video-intel.backlight-helper.policy.in
index 37e96226..96e772d4 100644
--- a/tools/org.x.xf86-video-intel.backlight-helper.policy.in
+++ b/tools/org.x.xf86-video-intel.backlight-helper.policy.in
@@ -14,6 +14,6 @@
       <allow_inactive>no</allow_inactive>
       <allow_active>yes</allow_active>
     </defaults>
-    <annotate key="org.freedesktop.policykit.exec.path">@prefix@/libexec/xf86-video-intel-backlight-helper</annotate>
+    <annotate key="org.freedesktop.policykit.exec.path">@LIBEXEC_PATH@/xf86-video-intel-backlight-helper</annotate>
   </action>
 </policyconfig>
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