kbuild: simplify GCC_PLUGINS enablement in dummy-tools/gcc

With commit 1e860048c53e ("gcc-plugins: simplify GCC plugin-dev
capability test") applied, this hunk can be way simplified because
now scripts/gcc-plugins/Kconfig only checks plugin-version.h

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

diff --git a/scripts/dummy-tools/gcc b/scripts/dummy-tools/gcc
index 33487e99d83e5c0fe076c317f218a93fae3ada01..5c113cad5601742083addba09cb076b116933bc8 100755 (executable)
--- a/scripts/dummy-tools/gcc
+++ b/scripts/dummy-tools/gcc
@@ -75,16 +75,12 @@ if arg_contain -S "$@"; then
        fi
 fi
 
-# For scripts/gcc-plugin.sh
+# To set GCC_PLUGINS
 if arg_contain -print-file-name=plugin "$@"; then
        plugin_dir=$(mktemp -d)
 
-       sed -n 's/.*#include "\(.*\)"/\1/p' $(dirname $0)/../gcc-plugins/gcc-common.h |
-       while read header
-       do
-               mkdir -p $plugin_dir/include/$(dirname $header)
-               touch $plugin_dir/include/$header
-       done
+       mkdir -p $plugin_dir/include
+       touch $plugin_dir/include/plugin-version.h
 
        echo $plugin_dir
        exit 0