backlight: add minimal tool to save/restore screen brightness across reboots

[elogind.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 76aa2a920ae2371295af8a67bbe3ff554d699bde..6ef6382c4c2c93436c9b2ca31ec63a4d0d919e4d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -191,17 +191,22 @@ AM_CONDITIONAL([HAVE_PYTHON_DEVEL], [test "$have_python_devel" = "yes"])
 # ------------------------------------------------------------------------------
 
 AC_SEARCH_LIBS([dlsym], [dl], [], [AC_MSG_ERROR([*** Dynamic linking loader library not found])])
+AC_CHECK_HEADERS([sys/capability.h], [], [AC_MSG_ERROR([*** POSIX caps headers not found])])
+
+# unconditionally pull-in librt with old glibc versions
+AC_SEARCH_LIBS([clock_gettime], [rt], [], [])
 
 save_LIBS="$LIBS"
 LIBS=
 AC_SEARCH_LIBS([cap_init], [cap], [], [AC_MSG_ERROR([*** POSIX caps library not found])])
-AC_CHECK_HEADERS([sys/capability.h], [], [AC_MSG_ERROR([*** POSIX caps headers not found])])
 CAP_LIBS="$LIBS"
+AC_SUBST(CAP_LIBS)
+
+LIBS=
 AC_SEARCH_LIBS([mq_open], [rt], [], [AC_MSG_ERROR([*** POSIX RT library not found])])
 RT_LIBS="$LIBS"
 AC_SUBST(RT_LIBS)
 LIBS="$save_LIBS"
-AC_SUBST(CAP_LIBS)
 
 AC_CHECK_FUNCS([fanotify_init fanotify_mark])
 AC_CHECK_FUNCS([__secure_getenv secure_getenv])
@@ -665,6 +670,14 @@ if test "x$enable_randomseed" != "xno"; then
 fi
 AM_CONDITIONAL(ENABLE_RANDOMSEED, [test "$have_randomseed" = "yes"])
 
+# ------------------------------------------------------------------------------
+have_backlight=no
+AC_ARG_ENABLE(backlight, AS_HELP_STRING([--disable-backlight], [disable backlight tools]))
+if test "x$enable_backlight" != "xno"; then
+        have_backlight=yes
+fi
+AM_CONDITIONAL(ENABLE_BACKLIGHT, [test "$have_backlight" = "yes"])
+
 # ------------------------------------------------------------------------------
 have_logind=no
 AC_ARG_ENABLE(logind, AS_HELP_STRING([--disable-logind], [disable login daemon]))
@@ -910,6 +923,10 @@ AC_ARG_WITH([bashcompletiondir],
                 with_bashcompletiondir=${datadir}/bash-completion/completions
         ])])
 
+AC_ARG_WITH([zshcompletiondir],
+        AS_HELP_STRING([--with-zshcompletiondir=DIR], [Zsh completions directory]),
+        [], [with_zshcompletiondir=${datadir}/zsh/site-functions])
+
 AC_ARG_WITH([rootprefix],
         AS_HELP_STRING([--with-rootprefix=DIR], [rootfs directory prefix for config files and kernel modules]),
         [], [with_rootprefix=${ac_default_prefix}])
@@ -954,6 +971,7 @@ AC_SUBST([dbussessionservicedir], [$with_dbussessionservicedir])
 AC_SUBST([dbussystemservicedir], [$with_dbussystemservicedir])
 AC_SUBST([dbusinterfacedir], [$with_dbusinterfacedir])
 AC_SUBST([bashcompletiondir], [$with_bashcompletiondir])
+AC_SUBST([zshcompletiondir], [$with_zshcompletiondir])
 AC_SUBST([pamlibdir], [$with_pamlibdir])
 AC_SUBST([rootprefix], [$with_rootprefix])
 AC_SUBST([rootlibdir], [$with_rootlibdir])
@@ -991,6 +1009,7 @@ AC_MSG_RESULT([
         quotacheck:              ${have_quotacheck}
         tmpfiles:                ${have_tmpfiles}
         randomseed:              ${have_randomseed}
+        backlight:               ${have_backlight}
         logind:                  ${have_logind}
         machined:                ${have_machined}
         hostnamed:               ${have_hostnamed}
@@ -1031,6 +1050,7 @@ AC_MSG_RESULT([
         D-Bus system dir:        ${with_dbussystemservicedir}
         D-Bus interfaces dir:    ${with_dbusinterfacedir}
         Bash completions dir:    ${with_bashcompletiondir}
+        Zsh completions dir:     ${with_zshcompletiondir}
         Extra start script:      ${RC_LOCAL_SCRIPT_PATH_START}
         Extra stop script:       ${RC_LOCAL_SCRIPT_PATH_STOP}
         Debug shell:             ${SUSHELL} @ ${DEBUGTTY}