powerpc: Add new cache geometry aux vectors

[karo-tx-linux.git] / scripts / Makefile.gcc-plugins

diff --git a/scripts/Makefile.gcc-plugins b/scripts/Makefile.gcc-plugins
index 060d2cb373dbe3fe788b7ad01b7868eca3b73166..9835a757d52a44afaee92f24ae7b7f8effaf3bd4 100644 (file)
--- 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
 
@@ -47,6 +47,14 @@ 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