buildman: Add an option to ignore migration warnings

[oweals/u-boot.git] / scripts / Makefile.build

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 26eb701f8deade2421f0e678c7bf1957eb0012db..5e5f1682c902271ef32fa6c7939dda38da6e39c3 100644 (file)
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -70,15 +70,8 @@ endif
 
 include scripts/Makefile.lib
 
-ifdef host-progs
-ifneq ($(hostprogs-y),$(host-progs))
-$(warning kbuild: $(obj)/Makefile - Usage of host-progs is deprecated. Please replace with hostprogs-y!)
-hostprogs-y += $(host-progs)
-endif
-endif
-
 # Do not include host rules unless needed
-ifneq ($(hostprogs-y)$(hostprogs-m),)
+ifneq ($(hostprogs-y)$(hostprogs-m)$(hostlibs-y)$(hostlibs-m)$(hostcxxlibs-y)$(hostcxxlibs-m),)
 include scripts/Makefile.host
 endif
 
@@ -181,7 +174,6 @@ $(obj)/%.i: $(src)/%.c FORCE
 cmd_gensymtypes =                                                           \
     $(CPP) -D__GENKSYMS__ $(c_flags) $< |                                   \
     $(GENKSYMS) $(if $(1), -T $(2))                                         \
-     $(patsubst y,-s _,$(CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX))             \
      $(if $(KBUILD_PRESERVE),-p)                                            \
      -r $(firstword $(wildcard $(2:.symtypes=.symref) /dev/null))
 
@@ -222,7 +214,7 @@ cmd_modversions =                                                           \
                $(call cmd_gensymtypes,$(KBUILD_SYMTYPES),$(@:.o=.symtypes))    \
                    > $(@D)/.tmp_$(@F:.o=.ver);                                 \
                                                                                \
-               $(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F)                      \
+               $(LD) $(KBUILD_LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F)               \
                        -T $(@D)/.tmp_$(@F:.o=.ver);                            \
                rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver);                \
        else                                                                    \
@@ -231,6 +223,11 @@ cmd_modversions =                                                          \
 endif
 
 ifdef CONFIG_FTRACE_MCOUNT_RECORD
+# gcc 5 supports generating the mcount tables directly
+ifneq ($(call cc-option,-mrecord-mcount,y),y)
+KBUILD_CFLAGS += -mrecord-mcount
+else
+# else do it all manually
 ifdef BUILD_C_RECORDMCOUNT
 ifeq ("$(origin RECORDMCOUNT_WARN)", "command line")
   RECORDMCOUNT_FLAGS = -w
@@ -249,8 +246,8 @@ else
 sub_cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \
        "$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \
        "$(if $(CONFIG_64BIT),64,32)" \
-       "$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CFLAGS)" \
-       "$(LD)" "$(NM)" "$(RM)" "$(MV)" \
+       "$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS)" \
+       "$(LD) $(KBUILD_LDFLAGS)" "$(NM)" "$(RM)" "$(MV)" \
        "$(if $(part-of-module),1,0)" "$(@)";
 recordmcount_source := $(srctree)/scripts/recordmcount.pl
 endif
@@ -259,6 +256,7 @@ cmd_record_mcount =                                         \
             "$(CC_FLAGS_FTRACE)" ]; then                       \
                $(sub_cmd_record_mcount)                        \
        fi;
+endif # -record-mcount
 endif
 
 define rule_cc_o_c
@@ -450,7 +448,4 @@ ifneq ($(cmd_files),)
   include $(cmd_files)
 endif
 
-# Declare the contents of the .PHONY variable as phony.  We keep that
-# information in a variable se we can use it in if_changed and friends.
-
 .PHONY: $(PHONY)