[openwrt/openwrt] tools/ccache: always disable documentation compilation

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/dfd8e2c320688b93d7653c272e85d4f55577a328

commit dfd8e2c320688b93d7653c272e85d4f55577a328
Author: Linhui Liu <liulinhui36 at gmail.com>
AuthorDate: Wed Mar 22 13:20:23 2023 +0800

    tools/ccache: always disable documentation compilation
    
    Speed up compilation.
    
    Also remove useless include target.mk
    (b492e69bd2d09aaa2c3c76b52203cbb3527eb2f7).
    
    Signed-off-by: Linhui Liu <liulinhui36 at gmail.com>
---
 tools/ccache/Makefile | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/tools/ccache/Makefile b/tools/ccache/Makefile
index 6824dbddfd..9b5731d5b9 100644
--- a/tools/ccache/Makefile
+++ b/tools/ccache/Makefile
@@ -5,7 +5,6 @@
 # See /LICENSE for more information.
 #
 include $(TOPDIR)/rules.mk
-include $(INCLUDE_DIR)/target.mk
 
 PKG_NAME:=ccache
 PKG_VERSION:=4.7.4
@@ -22,10 +21,7 @@ CMAKE_HOST_OPTIONS += \
 	-DCMAKE_CXX_COMPILER_LAUNCHER="" \
 	-DCMAKE_SKIP_RPATH=FALSE \
 	-DCMAKE_INSTALL_RPATH="${STAGING_DIR_HOST}/lib" \
+	-DENABLE_DOCUMENTATION=OFF
 	-DREDIS_STORAGE_BACKEND=OFF
 
-ifneq (docs-$(CONFIG_BUILD_DOCUMENTATION),docs-y)
-CMAKE_HOST_OPTIONS += -DENABLE_DOCUMENTATION=OFF
-endif
-
 $(eval $(call HostBuild))