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    Subject[PATCH] fix cc1 options to disable -fPIE when compiling with CONFIG_CC_STACKPROTECTOR=y
    The arch/x86/Makefile uses scripts/gcc-x86_$(BITS)
    to check if cc1 supports -fstack-protector. When -fPIE is passed to cc1,
    these scripts fail causing stack protection to be disabled even when it
    is available.

    This fix is similar to commit c47efe5548abbf53c2f66e06dcb46183b11d6b22

    Reported-by: Kai Dietrich <>
    Signed-off-by: Magnus Granberg <>
    Signed-off-by: Anthony G. Basile <>
    arch/x86/Makefile | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/arch/x86/Makefile b/arch/x86/Makefile
    index 8aa1b59..e8c8881 100644
    --- a/arch/x86/Makefile
    +++ b/arch/x86/Makefile
    @@ -74,7 +74,7 @@ endif

    cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)
    - ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(biarch)),y)
    + ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(KBUILD_CPPFLAGS) $(biarch)),y)
    stackp-y := -fstack-protector
    KBUILD_CFLAGS += $(stackp-y)

     \ /
      Last update: 2010-09-13 12:49    [W:0.017 / U:63.760 seconds]
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