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scripts/gcc-plugins: consistently use HOSTCC

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The GCC plugins are built using HOSTCC, but the path to the GCC plugins
headers is obtained using CC.  This can lead to interesting failures if
the host compiler and cross compiler are different versions, and the
host compiler uses the cross headers.

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210923152811.406516-1-ross.burton@arm.com
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
This commit is contained in:
Ross Burton 2021-09-23 16:28:11 +01:00 committed by Bruce Ashfield
parent 7280c93f55
commit f41fc97004
2 changed files with 2 additions and 2 deletions
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2
scripts/gcc-plugins/Kconfig
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@ -9,7 +9,7 @@ menuconfig GCC_PLUGINS
bool "GCC plugins"
depends on HAVE_GCC_PLUGINS
depends on CC_IS_GCC
depends on $(success,test -e $(shell,$(CC) -print-file-name=plugin)/include/plugin-version.h)
depends on $(success,test -e $(shell,$(HOSTCC) -print-file-name=plugin)/include/plugin-version.h)
default y
help
GCC plugins are loadable modules that provide extra features to the

2
scripts/gcc-plugins/Makefile
View File

@ -19,7 +19,7 @@ targets += randomize_layout_seed.h randomize_layout_hash.h
always-y += $(GCC_PLUGIN)
GCC_PLUGINS_DIR = $(shell $(CC) -print-file-name=plugin)
GCC_PLUGINS_DIR = $(shell $(HOSTCXX) -print-file-name=plugin)
plugin_cxxflags = -Wp,-MMD,$(depfile) $(KBUILD_HOSTCXXFLAGS) -fPIC \
-include $(srctree)/include/linux/compiler-version.h \