ALSA: hda - Add the top speaker pin config for HP Spectre x360

[deliverable/linux.git] / scripts / Makefile.gcc-plugins

diff --git a/scripts/Makefile.gcc-plugins b/scripts/Makefile.gcc-plugins
index bcc373dcb3b54b95204bcdb0919faacdc7b714d7..61f0e6db909bbf0a7016d60f4b58a4c4bd3c0dba 100644 (file)
--- a/scripts/Makefile.gcc-plugins
+++ b/scripts/Makefile.gcc-plugins
@@ -2,22 +2,59 @@ ifdef CONFIG_GCC_PLUGINS
   __PLUGINCC := $(call cc-ifversion, -ge, 0408, $(HOSTCXX), $(HOSTCC))
   PLUGINCC := $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-plugin.sh "$(__PLUGINCC)" "$(HOSTCXX)" "$(CC)")
 
-  GCC_PLUGINS_CFLAGS := $(addprefix -fplugin=$(objtree)/scripts/gcc-plugins/, $(gcc-plugin-y))
+  SANCOV_PLUGIN := -fplugin=$(objtree)/scripts/gcc-plugins/sancov_plugin.so
 
-  export PLUGINCC GCC_PLUGINS_CFLAGS GCC_PLUGIN
+  gcc-plugin-$(CONFIG_GCC_PLUGIN_CYC_COMPLEXITY)       += cyc_complexity_plugin.so
 
-  ifeq ($(PLUGINCC),)
-    ifneq ($(GCC_PLUGINS_CFLAGS),)
-      ifeq ($(call cc-ifversion, -ge, 0405, y), y)
-        PLUGINCC := $(shell $(CONFIG_SHELL) -x $(srctree)/scripts/gcc-plugin.sh "$(__PLUGINCC)" "$(HOSTCXX)" "$(CC)")
-        $(warning warning: your gcc installation does not support plugins, perhaps the necessary headers are missing?)
+  ifdef CONFIG_GCC_PLUGIN_SANCOV
+    ifeq ($(CFLAGS_KCOV),)
+      # It is needed because of the gcc-plugin.sh and gcc version checks.
+      gcc-plugin-$(CONFIG_GCC_PLUGIN_SANCOV)           += sancov_plugin.so
+
+      ifneq ($(PLUGINCC),)
+        CFLAGS_KCOV := $(SANCOV_PLUGIN)
       else
-        $(warning warning: your gcc version does not support plugins, you should upgrade it to gcc 4.5 at least)
+        $(warning warning: cannot use CONFIG_KCOV: -fsanitize-coverage=trace-pc is not supported by compiler)
       endif
     endif
   endif
 
+  GCC_PLUGINS_CFLAGS := $(strip $(addprefix -fplugin=$(objtree)/scripts/gcc-plugins/, $(gcc-plugin-y)) $(gcc-plugin-cflags-y))
+
+  export PLUGINCC GCC_PLUGINS_CFLAGS GCC_PLUGIN GCC_PLUGIN_SUBDIR SANCOV_PLUGIN
+
+  ifneq ($(PLUGINCC),)
+    # SANCOV_PLUGIN can be only in CFLAGS_KCOV because avoid duplication.
+    GCC_PLUGINS_CFLAGS := $(filter-out $(SANCOV_PLUGIN), $(GCC_PLUGINS_CFLAGS))
+  endif
+
   KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS)
   GCC_PLUGIN := $(gcc-plugin-y)
+  GCC_PLUGIN_SUBDIR := $(gcc-plugin-subdir-y)
+endif
+
+# If plugins aren't supported, abort the build before hard-to-read compiler
+# errors start getting spewed by the main build.
+PHONY += gcc-plugins-check
+gcc-plugins-check: FORCE
+ifdef CONFIG_GCC_PLUGINS
+  ifeq ($(PLUGINCC),)
+    ifneq ($(GCC_PLUGINS_CFLAGS),)
+      ifeq ($(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
+      else
+       @echo "Cannot use CONFIG_GCC_PLUGINS: your gcc version does not support plugins, you should upgrade it to at least gcc 4.5" >&2 && exit 1
+      endif
+    endif
+  endif
+endif
+       @:
 
+# Actually do the build, if requested.
+PHONY += gcc-plugins
+gcc-plugins: scripts_basic gcc-plugins-check
+ifdef CONFIG_GCC_PLUGINS
+       $(Q)$(MAKE) $(build)=scripts/gcc-plugins
 endif
+       @: