Merge branch 'omap-for-v4.14/fixes' into omap-for-v4.15/fixes-v2

[linux.git] / scripts / Makefile.build

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 8624924a2991fe45a3e5f4b5b6497503ef8040d4..cb8997ed01497ccebdfded3aef8ccdd401fa8482 100644 (file)
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # ==========================================================================
 # Building
 # ==========================================================================
@@ -75,7 +76,7 @@ lib-target := $(obj)/lib.a
 obj-y += $(obj)/lib-ksyms.o
 endif
 
-ifneq ($(strip $(obj-y) $(obj-m) $(obj-) $(subdir-m) $(lib-target)),)
+ifneq ($(strip $(obj-y) $(need-builtin)),)
 builtin-target := $(obj)/built-in.o
 endif
 
@@ -99,6 +100,10 @@ ifneq ($(KBUILD_CHECKSRC),0)
   endif
 endif
 
+ifneq ($(KBUILD_ENABLE_EXTRA_GCC_CHECKS),)
+  cmd_checkdoc = $(srctree)/scripts/kernel-doc -none $< ;
+endif
+
 # Do section mismatch analysis for each module/built-in.o
 ifdef CONFIG_DEBUG_SECTION_MISMATCH
   cmd_secanalysis = ; scripts/mod/modpost $@
@@ -249,7 +254,7 @@ ifneq ($(SKIP_STACK_VALIDATION),1)
 
 __objtool_obj := $(objtree)/tools/objtool/objtool
 
-objtool_args = $(if $(CONFIG_ORC_UNWINDER),orc generate,check)
+objtool_args = $(if $(CONFIG_UNWINDER_ORC),orc generate,check)
 
 ifndef CONFIG_FRAME_POINTER
 objtool_args += --no-fp
@@ -282,6 +287,7 @@ define rule_cc_o_c
        $(call echo-cmd,checksrc) $(cmd_checksrc)                         \
        $(call cmd_and_fixdep,cc_o_c)                                     \
        $(cmd_modversions_c)                                              \
+       $(cmd_checkdoc)                                                   \
        $(call echo-cmd,objtool) $(cmd_objtool)                           \
        $(call echo-cmd,record_mcount) $(cmd_record_mcount)
 endef
@@ -410,7 +416,7 @@ targets += $(extra-y) $(MAKECMDGOALS) $(always)
 # Linker scripts preprocessor (.lds.S -> .lds)
 # ---------------------------------------------------------------------------
 quiet_cmd_cpp_lds_S = LDS     $@
-      cmd_cpp_lds_S = $(CPP) $(cpp_flags) -P -C -U$(ARCH) \
+      cmd_cpp_lds_S = $(CPP) $(cpp_flags) -P -U$(ARCH) \
                             -D__ASSEMBLY__ -DLINKER_SCRIPT -o $@ $<
 
 $(obj)/%.lds: $(src)/%.lds.S FORCE
@@ -560,7 +566,7 @@ targets := $(filter-out $(PHONY), $(targets))
 
 PHONY += $(subdir-ym)
 $(subdir-ym):
-       $(Q)$(MAKE) $(build)=$@
+       $(Q)$(MAKE) $(build)=$@ need-builtin=$(if $(findstring $@,$(subdir-obj-y)),1)
 
 # Add FORCE to the prequisites of a target to force it to be always rebuilt.
 # ---------------------------------------------------------------------------