[openwrt/openwrt] include/cmake.mk: Fix the bug in ccache support

[LEDE Commits]

dedeckeh pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/d6cb50c7ba8447f018139401d0d3821069e5f389

commit d6cb50c7ba8447f018139401d0d3821069e5f389
Author: Hirokazu MORIKAWA <morikw2 at gmail.com>
AuthorDate: Mon Dec 21 13:49:40 2020 +0900

    include/cmake.mk: Fix the bug in ccache support
    
    Fix the bug in ccache support due to this change.
    https://github.com/openwrt/openwrt/commit/bfc433efd4a0c6875a92981d1bd2a5e3e60c61c6
    
    The new cmake uses this for the wrapper.
    https://cmake.org/cmake/help/v3.19/prop_tgt/LANG_COMPILER_LAUNCHER.html
    
    Signed-off-by: Hirokazu MORIKAWA <morikw2 at gmail.com>
---
 include/cmake.mk | 32 ++++++++++++++------------------
 1 file changed, 14 insertions(+), 18 deletions(-)

diff --git a/include/cmake.mk b/include/cmake.mk
index 0a20530a16..96c4d7df34 100644
--- a/include/cmake.mk
+++ b/include/cmake.mk
@@ -19,26 +19,22 @@ else
 endif
 
 ifeq ($(CONFIG_CCACHE),)
+ CMAKE_C_COMPILER_LAUNCHER:=
+ CMAKE_CXX_COMPILER_LAUNCHER:=
  CMAKE_C_COMPILER:=$(call cmake_tool,$(TARGET_CC))
  CMAKE_CXX_COMPILER:=$(call cmake_tool,$(TARGET_CXX))
- CMAKE_C_COMPILER_ARG1:=
- CMAKE_CXX_COMPILER_ARG1:=
 
  CMAKE_HOST_C_COMPILER:=$(HOSTCC)
  CMAKE_HOST_CXX_COMPILER:=$(HOSTCXX)
- CMAKE_HOST_C_COMPILER_ARG1:=
- CMAKE_HOST_CXX_COMPILER_ARG1:=
 else
   CCACHE:=$(STAGING_DIR_HOST)/bin/ccache
-  CMAKE_C_COMPILER:=$(CCACHE)
-  CMAKE_C_COMPILER_ARG1:=$(TARGET_CC_NOCACHE)
-  CMAKE_CXX_COMPILER:=$(CCACHE)
-  CMAKE_CXX_COMPILER_ARG1:=$(TARGET_CXX_NOCACHE)
+  CMAKE_C_COMPILER_LAUNCHER:=$(CCACHE)
+  CMAKE_CXX_COMPILER_LAUNCHER:=$(CCACHE)
+  CMAKE_C_COMPILER:=$(TARGET_CC_NOCACHE)
+  CMAKE_CXX_COMPILER:=$(TARGET_CXX_NOCACHE)
 
-  CMAKE_HOST_C_COMPILER:=$(CCACHE)
-  CMAKE_HOST_C_COMPILER_ARG1:=$(HOSTCC_NOCACHE)
-  CMAKE_HOST_CXX_COMPILER:=$(CCACHE)
-  CMAKE_HOST_CXX_COMPILER_ARG1:=$(HOSTCXX_NOCACHE)
+  CMAKE_HOST_C_COMPILER:=$(HOSTCC_NOCACHE)
+  CMAKE_HOST_CXX_COMPILER:=$(HOSTCXX_NOCACHE)
 endif
 CMAKE_AR:=$(call cmake_tool,$(TARGET_AR))
 CMAKE_NM:=$(call cmake_tool,$(TARGET_NM))
@@ -61,12 +57,12 @@ define Build/Configure/Default
 			-DCMAKE_BUILD_TYPE=Release \
 			-DCMAKE_C_FLAGS_RELEASE="-DNDEBUG" \
 			-DCMAKE_CXX_FLAGS_RELEASE="-DNDEBUG" \
+			-DCMAKE_C_COMPILER_LAUNCHER="$(CMAKE_C_COMPILER_LAUNCHER)" \
 			-DCMAKE_C_COMPILER="$(CMAKE_C_COMPILER)" \
-			-DCMAKE_C_COMPILER_ARG1="$(CMAKE_C_COMPILER_ARG1)" \
+			-DCMAKE_CXX_COMPILER_LAUNCHER="$(CMAKE_CXX_COMPILER_LAUNCHER)" \
 			-DCMAKE_CXX_COMPILER="$(CMAKE_CXX_COMPILER)" \
-			-DCMAKE_CXX_COMPILER_ARG1="$(CMAKE_CXX_COMPILER_ARG1)" \
+			-DCMAKE_ASM_COMPILER_LAUNCHER="$(CMAKE_C_COMPILER_LAUNCHER)" \
 			-DCMAKE_ASM_COMPILER="$(CMAKE_C_COMPILER)" \
-			-DCMAKE_ASM_COMPILER_ARG1="$(CMAKE_C_COMPILER_ARG1)" \
 			-DCMAKE_EXE_LINKER_FLAGS:STRING="$(TARGET_LDFLAGS)" \
 			-DCMAKE_MODULE_LINKER_FLAGS:STRING="$(TARGET_LDFLAGS) $(CMAKE_SHARED_LDFLAGS)" \
 			-DCMAKE_SHARED_LINKER_FLAGS:STRING="$(TARGET_LDFLAGS) $(CMAKE_SHARED_LDFLAGS)" \
@@ -107,12 +103,12 @@ define Host/Configure/Default
 		LDFLAGS="$(HOST_LDFLAGS)" \
 		cmake \
 			-DCMAKE_BUILD_TYPE=Release \
+			-DCMAKE_C_COMPILER_LAUNCHER="$(CMAKE_C_COMPILER_LAUNCHER)" \
 			-DCMAKE_C_COMPILER="$(CMAKE_HOST_C_COMPILER)" \
-			-DCMAKE_C_COMPILER_ARG1="$(CMAKE_HOST_C_COMPILER_ARG1)" \
+			-DCMAKE_CXX_COMPILER_LAUNCHER="$(CMAKE_CXX_COMPILER_LAUNCHER)" \
 			-DCMAKE_CXX_COMPILER="$(CMAKE_HOST_CXX_COMPILER)" \
-			-DCMAKE_CXX_COMPILER_ARG1="$(CMAKE_HOST_CXX_COMPILER_ARG1)" \
+			-DCMAKE_ASM_COMPILER_LAUNCHER="$(CMAKE_C_COMPILER_LAUNCHER)" \
 			-DCMAKE_ASM_COMPILER="$(CMAKE_HOST_C_COMPILER)" \
-			-DCMAKE_ASM_COMPILER_ARG1="$(CMAKE_HOST_C_COMPILER_ARG1)" \
 			-DCMAKE_C_FLAGS_RELEASE="-DNDEBUG" \
 			-DCMAKE_CXX_FLAGS_RELEASE="-DNDEBUG" \
 			-DCMAKE_EXE_LINKER_FLAGS:STRING="$(HOST_LDFLAGS)" \