toolchain/wrapper: fix 'reinstall'

toolchain-wrapper was not reinstalled. So rules toolchain-external-reinstall,
gcc-initial-reinstall, gcc-final-reinstall didn't work as expected.

In add, normalize variable name: s/TOOLCHAIN_BUILD_WRAPPER/TOOLCHAIN_WRAPPER_BUILD/

Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/gcc/gcc-final/gcc-final.mk

@@ -113,7 +113,8 @@ endef
 HOST_GCC_FINAL_POST_INSTALL_HOOKS += HOST_GCC_FINAL_CREATE_CC_SYMLINKS
 
 HOST_GCC_FINAL_TOOLCHAIN_WRAPPER_ARGS += $(HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS)
-HOST_GCC_FINAL_POST_BUILD_HOOKS += TOOLCHAIN_BUILD_WRAPPER
+HOST_GCC_FINAL_POST_BUILD_HOOKS += TOOLCHAIN_WRAPPER_BUILD
+HOST_GCC_FINAL_POST_INSTALL_HOOKS += TOOLCHAIN_WRAPPER_INSTALL
 # Note: this must be done after CREATE_CC_SYMLINKS, otherwise the
 # -cc symlink to the wrapper is not created.
 HOST_GCC_FINAL_POST_INSTALL_HOOKS += HOST_GCC_INSTALL_WRAPPER_AND_SIMPLE_SYMLINKS

package/gcc/gcc-initial/gcc-initial.mk

@@ -61,7 +61,8 @@ HOST_GCC_INITIAL_INSTALL_OPTS += install-target-libgcc
 endif
 
 HOST_GCC_INITIAL_TOOLCHAIN_WRAPPER_ARGS += $(HOST_GCC_COMMON_TOOLCHAIN_WRAPPER_ARGS)
-HOST_GCC_INITIAL_POST_BUILD_HOOKS += TOOLCHAIN_BUILD_WRAPPER
+HOST_GCC_INITIAL_POST_BUILD_HOOKS += TOOLCHAIN_WRAPPER_BUILD
+HOST_GCC_INITIAL_POST_INSTALL_HOOKS += TOOLCHAIN_WRAPPER_INSTALL
 HOST_GCC_INITIAL_POST_INSTALL_HOOKS += HOST_GCC_INSTALL_WRAPPER_AND_SIMPLE_SYMLINKS
 
 $(eval $(host-autotools-package))

toolchain/toolchain-external/toolchain-external.mk

@@ -770,9 +770,10 @@ define TOOLCHAIN_EXTERNAL_FIXUP_UCLIBCNG_LDSO
 	fi
 endef
 
-TOOLCHAIN_EXTERNAL_BUILD_CMDS = $(TOOLCHAIN_BUILD_WRAPPER)
+TOOLCHAIN_EXTERNAL_BUILD_CMDS = $(TOOLCHAIN_WRAPPER_BUILD)
 
 define TOOLCHAIN_EXTERNAL_INSTALL_STAGING_CMDS
+	$(TOOLCHAIN_WRAPPER_INSTALL)
 	$(TOOLCHAIN_EXTERNAL_CREATE_STAGING_LIB_SYMLINK)
 	$(TOOLCHAIN_EXTERNAL_INSTALL_SYSROOT_LIBS)
 	$(TOOLCHAIN_EXTERNAL_INSTALL_SYSROOT_LIBS_BFIN_FDPIC)

toolchain/toolchain-wrapper.mk

@@ -30,11 +30,14 @@ ifeq ($(BR2_CCACHE_USE_BASEDIR),y)
 TOOLCHAIN_WRAPPER_ARGS += -DBR_CCACHE_BASEDIR='"$(BASE_DIR)"'
 endif
 
-# For simplicity, build directly into the install location
-define TOOLCHAIN_BUILD_WRAPPER
-	$(Q)mkdir -p $(HOST_DIR)/usr/bin
+define TOOLCHAIN_WRAPPER_BUILD
 	$(HOSTCC) $(HOST_CFLAGS) $(TOOLCHAIN_WRAPPER_ARGS) \
 		-s -Wl,--hash-style=$(TOOLCHAIN_WRAPPER_HASH_STYLE) \
 		toolchain/toolchain-wrapper.c \
-		-o $(HOST_DIR)/usr/bin/toolchain-wrapper
+		-o $(@D)/toolchain-wrapper
+endef
+
+define TOOLCHAIN_WRAPPER_INSTALL
+	$(INSTALL) -D -m 0755 $(@D)/toolchain-wrapper \
+		$(HOST_DIR)/usr/bin/toolchain-wrapper
 endef