keymap: linux/input.h - get absolute include path from gcc

diff --git a/Makefile.am b/Makefile.am
index b7ced1dc7f8775f2cbe87e1d5702539b2811afa7..3567af81a613fe54a89dd11b9a0159255474cc20 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -546,7 +546,7 @@ udevkeymapforcereldir = $(libexecdir)/keymaps/force-release
 dist_udevkeymapforcerel_DATA = \
        extras/keymap/force-release-maps/samsung-other
 
-extras/keymap/keys.txt: /usr/include/linux/input.h
+extras/keymap/keys.txt: $(INCLUDE_PREFIX)/linux/input.h
        mkdir -p extras/keymap
        $(AM_V_GEN)$(AWK) '/^#define.*KEY_[^ ]+[ \t]+[0-9]/ { if ($$2 != "KEY_MAX") { print $$2 } }' < $< | sed 's/^KEY_COFFEE$$/KEY_SCREENLOCK/' > $@
 

diff --git a/configure.ac b/configure.ac
index 08df0a9dec17dd46eaaf8380aee13dd12a56e412..4cecb868f5dafbfc432d9aca8d027a487ffd2ee9 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -81,6 +81,9 @@ if test "x$enable_extras" = xyes; then
                        AC_MSG_ERROR([pci.ids not found, try --with-pci-ids-path=])
                fi])
        AC_SUBST(PCI_DATABASE)
+
+       AC_CHECK_HEADER([linux/input.h], [:], AC_MSG_ERROR([kernel headers not found]))
+       AC_SUBST([INCLUDE_PREFIX], [$(echo '#include <linux/input.h>' | eval $ac_cpp -E - | sed -n '/linux\/input.h/ {s:.*"\(.*\)/linux/input.h".*:\1:; p; q}')])
 fi
 AM_CONDITIONAL([ENABLE_EXTRAS], [test "x$enable_extras" = xyes])
 
@@ -126,6 +129,8 @@ AC_MSG_RESULT([
        mandir:                 ${mandir}
        includedir:             ${includedir}
 
+       include_prefix:         ${INCLUDE_PREFIX}
+
        logging:                ${enable_logging}
        debug:                  ${enable_debug}
        selinux:                ${with_selinux}