diff options
Diffstat (limited to 'scripts/Makefile.gcc-plugins')
| -rw-r--r-- | scripts/Makefile.gcc-plugins | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/scripts/Makefile.gcc-plugins b/scripts/Makefile.gcc-plugins index a084f7a511d8..82335533620e 100644 --- a/scripts/Makefile.gcc-plugins +++ b/scripts/Makefile.gcc-plugins @@ -8,7 +8,7 @@ ifdef CONFIG_GCC_PLUGINS gcc-plugin-$(CONFIG_GCC_PLUGIN_LATENT_ENTROPY) += latent_entropy_plugin.so gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_LATENT_ENTROPY) += -DLATENT_ENTROPY_PLUGIN - ifdef CONFIG_PAX_LATENT_ENTROPY + ifdef CONFIG_GCC_PLUGIN_LATENT_ENTROPY DISABLE_LATENT_ENTROPY_PLUGIN += -fplugin-arg-latent_entropy_plugin-disable endif @@ -51,6 +51,14 @@ 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 |