Generate keysym tables from X and XF86 keysym definitions

The keysym hash table ks_tables.h is generated by makekeys from
keysymdef.h and XF86keysym.h.

configure.ac

@@ -49,6 +49,23 @@ fi
 
 PKG_CHECK_MODULES([X11], [xproto])
 
+dnl Ensure we have keysym headers
+AC_MSG_CHECKING([for X11 includedir])
+x11includedir="`$PKG_CONFIG --variable=includedir xproto`/X11"
+AC_MSG_RESULT([$x11includedir])
+
+AC_MSG_CHECKING([for keysymdef.h])
+KEYSYMDEF_H="$x11includedir/keysymdef.h"
+test -f "$KEYSYMDEF_H" || AC_MSG_ERROR([can't locate keysymdef.h in $x11includedir])
+AC_MSG_RESULT([$KEYSYMDEF_H])
+AC_SUBST([KEYSYMDEF_H])
+
+AC_MSG_CHECKING([for XF86keysym.h])
+XF86KEYSYM_H="$x11includedir/XF86keysym.h"
+test -f "$XF86KEYSYM_H" || AC_MSG_ERROR([can't locate XF86keysym.h in $x11includedir])
+AC_MSG_RESULT([$XF86KEYSYM_H])
+AC_SUBST([XF86KEYSYM_H])
+
 # Require xorg-macros version 1.2.0 or newer for XORG_CHANGELOG macro
 m4_ifndef([XORG_MACROS_VERSION],
     [m4_fatal([must install xorg-macros before running autoconf/autogen.sh])])

src/.gitignore

@@ -1 +1,2 @@
+ks_tables.h
 makekeys

src/Makefile.am

@@ -1,3 +1,9 @@
 noinst_PROGRAMS = makekeys
 makekeys_CFLAGS = $(X11_CFLAGS)
 makekeys: CC = $(CC_FOR_BUILD)
+
+#BUILT_SOURCES = ks_tables.h
+noinst_HEADERS = ks_tables.h
+ks_tables.h: makekeys
+	@rm -f $@
+	cat $(KEYSYMDEF_H) $(XF86KEYSYM_H) | $(builddir)/makekeys$(EXEEXT) >$@