package: move autoreconfigure step to pre configure hook

[Peter: update documentation to match]
Signed-off-by: Lionel Landwerlin <llandwerlin@gmail.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

docs/buildroot.html

@@ -1123,6 +1123,7 @@ endef
 
     <ul>
       <li><code>LIBFOO_POST_PATCH_HOOKS</code></li>
+      <li><code>LIBFOO_PRE_CONFIGURE_HOOKS</code></li>
       <li><code>LIBFOO_POST_CONFIGURE_HOOKS</code></li>
       <li><code>LIBFOO_POST_BUILD_HOOKS</code></li>
       <li><code>LIBFOO_POST_INSTALL_HOOKS</code> (for host packages only)</li>

package/Makefile.autotools.in

@@ -177,7 +177,7 @@ define AUTORECONF_HOOK
 endef
 
 ifeq ($$($(2)_AUTORECONF),YES)
-$(2)_POST_PATCH_HOOKS += AUTORECONF_HOOK
+$(2)_PRE_CONFIGURE_HOOKS += AUTORECONF_HOOK
 $(2)_DEPENDENCIES += host-automake host-autoconf host-libtool
 endif
 

package/Makefile.package.in

@@ -261,6 +261,7 @@ $(BUILD_DIR)/%/.stamp_patched:
 
 # Configure
 $(BUILD_DIR)/%/.stamp_configured:
+	$(foreach hook,$($(PKG)_PRE_CONFIGURE_HOOKS),$(call $(hook))$(sep))
 	@$(call MESSAGE,"Configuring")
 	$($(PKG)_CONFIGURE_CMDS)
 	$(foreach hook,$($(PKG)_POST_CONFIGURE_HOOKS),$(call $(hook))$(sep))
@@ -410,6 +411,7 @@ $(2)_TARGET_DIRCLEAN =		$$($(2)_DIR)/.stamp_dircleaned
 # post-steps hooks
 $(2)_POST_EXTRACT_HOOKS         ?=
 $(2)_POST_PATCH_HOOKS           ?=
+$(2)_PRE_CONFIGURE_HOOKS        ?=
 $(2)_POST_CONFIGURE_HOOKS       ?=
 $(2)_POST_BUILD_HOOKS           ?=
 $(2)_POST_INSTALL_HOOKS         ?=