Revert "toolchain: Add option to only use ccache for BR"

This reverts commit 4ebc520.

It has been implemented differently in upstream Buildroot.

Signed-off-by: Paul Cercueil <[email protected]>

Config.in

@@ -377,14 +377,6 @@ config BR2_CCACHE_USE_BASEDIR
 	  the section "COMPILING IN DIFFERENT DIRECTORIES" in the ccache
 	  manual for more information.
 
-config BR2_CCACHE_BR_ONLY
-	bool "Only use ccache for building Buildroot packages"
-	default n
-	help
-	  When enabled, ccache will be used when building Buildroot
-	  itself, but the toolchain exported as SDK will not make use of
-	  ccache to build external programs.
-
 endif
 
 config BR2_ENABLE_DEBUG

linux/linux.mk

@@ -69,10 +69,6 @@ LINUX_MAKE_ENV = \
 	$(HOST_MAKE_ENV) \
 	BR_BINARIES_DIR=$(BINARIES_DIR)
 
-ifeq ($(BR2_CCACHE_BR_ONLY),y)
-LINUX_MAKE_ENV += BR_USE_CCACHE=1
-endif
-
 LINUX_INSTALL_IMAGES = YES
 LINUX_DEPENDENCIES = host-kmod
 

package/Makefile.in

@@ -260,10 +260,6 @@ export PERL5LIB=$(HOST_DIR)/lib/perl
 
 TARGET_MAKE_ENV = PATH=$(BR_PATH)
 
-ifeq ($(BR2_CCACHE_BR_ONLY),y)
-	TARGET_MAKE_ENV += BR_USE_CCACHE=1
-endif
-
 TARGET_CONFIGURE_OPTS = \
 	$(TARGET_MAKE_ENV) \
 	AR="$(TARGET_AR)" \

toolchain/toolchain-wrapper.c

@@ -517,11 +517,6 @@ int main(int argc, char **argv)
 	} else
 		/* ccache is disabled, skip it */
 		exec_args++;
-#ifdef BR_CCACHE_BR_ONLY
-	else if (!getenv("BR_USE_CCACHE"))
-		/* Skip the ccache call */
-		exec_args++;
-#endif
 #endif
 
 	/* Debug the wrapper to see final arguments passed to the real compiler. */

toolchain/toolchain-wrapper.mk

@@ -73,10 +73,6 @@ ifeq ($(BR2_CCACHE_USE_BASEDIR),y)
 TOOLCHAIN_WRAPPER_ARGS += -DBR_CCACHE_BASEDIR='"$(BASE_DIR)"'
 endif
 
-ifeq ($(BR2_CCACHE_BR_ONLY),y)
-TOOLCHAIN_WRAPPER_ARGS += -DBR_CCACHE_BR_ONLY
-endif
-
 ifeq ($(BR2_PIC_PIE),y)
 TOOLCHAIN_WRAPPER_ARGS += -DBR2_PIC_PIE
 endif