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

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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>
This commit is contained in:
Masahiro Yamada
2018-05-28 18:22:05 +09:00
parent 5aadfdeb8d
commit 8034c2fb12
2 changed files with 1 additions and 9 deletions
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8
scripts/Makefile.gcc-plugins
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@@ -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