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Commit 8034c2fb authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

gcc-plugins: move GCC version check for PowerPC to Kconfig 



For PowerPC, GCC 5.2 is the requirement for GCC plugins.  Move the
version check to Kconfig so that the GCC plugin menus will be hidden
if an older compiler is in use.

Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: default avatarAndrew Donnellan <andrew.donnellan@au1.ibm.com>
Reviewed-by: default avatarKees Cook <keescook@chromium.org>
parent 5aadfdeb

arch/powerpc/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -189,7 +189,7 @@ config PPC 
	select HAVE_FTRACE_MCOUNT_RECORD

	select HAVE_FUNCTION_GRAPH_TRACER

	select HAVE_FUNCTION_TRACER

	select HAVE_GCC_PLUGINS

	select HAVE_GCC_PLUGINS			if GCC_VERSION >= 50200   # plugin support on gcc <= 5.1 is buggy on PPC

	select HAVE_GENERIC_GUP

	select HAVE_HW_BREAKPOINT		if PERF_EVENTS && (PPC_BOOK3S || PPC_8xx)

	select HAVE_IDE

scripts/Makefile.gcc-plugins

+0 −8
Original line number Diff line number Diff line
@@ -53,14 +53,6 @@ gcc-plugins-check: FORCE 
ifdef CONFIG_GCC_PLUGINS

  ifeq ($(PLUGINCC),)

    ifneq ($(GCC_PLUGINS_CFLAGS),)

      # Various gccs between 4.5 and 5.1 have bugs on powerpc due to missing

      # header files. gcc <= 4.6 doesn't work at all, gccs from 4.8 to 5.1 have

      # issues with 64-bit targets.

      ifeq ($(ARCH),powerpc)

        ifeq ($(call cc-ifversion, -le, 0501, y), y)

	  @echo "Cannot use CONFIG_GCC_PLUGINS: plugin support on gcc <= 5.1 is buggy on powerpc, please upgrade to gcc 5.2 or newer" >&2 && exit 1

        endif

      endif

      ifeq ($(call cc-ifversion, -ge, 0405, y), y)

	$(Q)$(srctree)/scripts/gcc-plugin.sh --show-error "$(__PLUGINCC)" "$(HOSTCXX)" "$(CC)" || true

	@echo "Cannot use CONFIG_GCC_PLUGINS: your gcc installation does not support plugins, perhaps the necessary headers are missing?" >&2 && exit 1