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: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Reviewed-by: Kees Cook <keescook@chromium.org>
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@ -189,7 +189,7 @@ config PPC
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select HAVE_FTRACE_MCOUNT_RECORD
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select HAVE_FTRACE_MCOUNT_RECORD
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select HAVE_FUNCTION_GRAPH_TRACER
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select HAVE_FUNCTION_GRAPH_TRACER
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select HAVE_FUNCTION_TRACER
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select HAVE_FUNCTION_TRACER
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select HAVE_GCC_PLUGINS
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select HAVE_GCC_PLUGINS if GCC_VERSION >= 50200 # plugin support on gcc <= 5.1 is buggy on PPC
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select HAVE_GENERIC_GUP
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select HAVE_GENERIC_GUP
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select HAVE_HW_BREAKPOINT if PERF_EVENTS && (PPC_BOOK3S || PPC_8xx)
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select HAVE_HW_BREAKPOINT if PERF_EVENTS && (PPC_BOOK3S || PPC_8xx)
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select HAVE_IDE
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select HAVE_IDE
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@ -53,14 +53,6 @@ gcc-plugins-check: FORCE
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ifdef CONFIG_GCC_PLUGINS
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ifdef CONFIG_GCC_PLUGINS
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ifeq ($(PLUGINCC),)
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ifeq ($(PLUGINCC),)
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ifneq ($(GCC_PLUGINS_CFLAGS),)
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ifneq ($(GCC_PLUGINS_CFLAGS),)
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# Various gccs between 4.5 and 5.1 have bugs on powerpc due to missing
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# header files. gcc <= 4.6 doesn't work at all, gccs from 4.8 to 5.1 have
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# issues with 64-bit targets.
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ifeq ($(ARCH),powerpc)
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ifeq ($(call cc-ifversion, -le, 0501, y), y)
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@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
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endif
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endif
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ifeq ($(call cc-ifversion, -ge, 0405, y), y)
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ifeq ($(call cc-ifversion, -ge, 0405, y), y)
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$(Q)$(srctree)/scripts/gcc-plugin.sh --show-error "$(__PLUGINCC)" "$(HOSTCXX)" "$(CC)" || true
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$(Q)$(srctree)/scripts/gcc-plugin.sh --show-error "$(__PLUGINCC)" "$(HOSTCXX)" "$(CC)" || true
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@echo "Cannot use CONFIG_GCC_PLUGINS: your gcc installation does not support plugins, perhaps the necessary headers are missing?" >&2 && exit 1
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@echo "Cannot use CONFIG_GCC_PLUGINS: your gcc installation does not support plugins, perhaps the necessary headers are missing?" >&2 && exit 1
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