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-rw-r--r--arch/powerpc/Makefile15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 86c925bfbb76..fde3dbe57bda 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -409,6 +409,21 @@ install:
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
+ifeq ($(KBUILD_EXTMOD),)
+# We need to generate vdso-offsets.h before compiling certain files in kernel/.
+# In order to do that, we should use the archprepare target, but we can't since
+# asm-offsets.h is included in some files used to generate vdso-offsets.h, and
+# asm-offsets.h is built in prepare0, for which archprepare is a dependency.
+# Therefore we need to generate the header after prepare0 has been made, hence
+# this hack.
+prepare: vdso_prepare
+vdso_prepare: prepare0
+ $(if $(CONFIG_VDSO32),$(Q)$(MAKE) \
+ $(build)=arch/powerpc/kernel/vdso32 include/generated/vdso32-offsets.h)
+ $(if $(CONFIG_PPC64),$(Q)$(MAKE) \
+ $(build)=arch/powerpc/kernel/vdso64 include/generated/vdso64-offsets.h)
+endif
+
archprepare: checkbin
archheaders: