tools headers UAPI: Sync linux/prctl.h with the kernel sources

[linux-2.6-microblaze.git] / scripts / Makefile.modpost

diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index b3e08fb..c383ba3 100644 (file)
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -98,9 +98,11 @@ output-symdump := $(KBUILD_EXTMOD)/Module.symvers
 
 endif
 
+existing-input-symdump := $(wildcard $(input-symdump))
+
 # modpost options for modules (both in-kernel and external)
 MODPOST += \
-       $(addprefix -i ,$(wildcard $(input-symdump))) \
+       $(addprefix -i ,$(existing-input-symdump)) \
        $(if $(KBUILD_NSDEPS),-d $(MODULES_NSDEPS)) \
        $(if $(CONFIG_MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS)$(KBUILD_NSDEPS),-N)
 
@@ -114,6 +116,7 @@ VPATH :=
 $(input-symdump):
        @echo >&2 'WARNING: Symbol version dump "$@" is missing.'
        @echo >&2 '         Modules may not have dependencies or modversions.'
+       @echo >&2 '         You may get many unresolved symbol warnings.'
 
 ifdef CONFIG_LTO_CLANG
 # With CONFIG_LTO_CLANG, .o files might be LLVM bitcode, so we need to run
@@ -134,7 +137,7 @@ endif
 modules := $(sort $(shell cat $(MODORDER)))
 
 # KBUILD_MODPOST_WARN can be set to avoid error out in case of undefined symbols
-ifneq ($(KBUILD_MODPOST_WARN),)
+ifneq ($(KBUILD_MODPOST_WARN)$(filter-out $(existing-input-symdump), $(input-symdump)),)
 MODPOST += -w
 endif