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-rw-r--r--tools/build/Build.include5
-rw-r--r--tools/build/Makefile6
-rw-r--r--tools/build/Makefile.build19
3 files changed, 26 insertions, 4 deletions
diff --git a/tools/build/Build.include b/tools/build/Build.include
index 4d000bc959b4..02489380d79b 100644
--- a/tools/build/Build.include
+++ b/tools/build/Build.include
@@ -90,3 +90,8 @@ if_changed = $(if $(strip $(any-prereq) $(arg-check)), \
# - per object C flags
# - BUILD_STR macro to allow '-D"$(variable)"' constructs
c_flags = -Wp,-MD,$(depfile),-MT,$@ $(CFLAGS) -D"BUILD_STR(s)=\#s" $(CFLAGS_$(basetarget).o) $(CFLAGS_$(obj))
+
+###
+## HOSTCC C flags
+
+host_c_flags = -Wp,-MD,$(depfile),-MT,$@ $(CHOSTFLAGS) -D"BUILD_STR(s)=\#s" $(CHOSTFLAGS_$(basetarget).o) $(CHOSTFLAGS_$(obj))
diff --git a/tools/build/Makefile b/tools/build/Makefile
index 0d5a0e3a8fa9..653faee2a055 100644
--- a/tools/build/Makefile
+++ b/tools/build/Makefile
@@ -14,6 +14,12 @@ endef
$(call allow-override,CC,$(CROSS_COMPILE)gcc)
$(call allow-override,LD,$(CROSS_COMPILE)ld)
+HOSTCC ?= gcc
+HOSTLD ?= ld
+HOSTAR ?= ar
+
+export HOSTCC HOSTLD HOSTAR
+
ifeq ($(V),1)
Q =
else
diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build
index 27f3583193e6..190519a94ce5 100644
--- a/tools/build/Makefile.build
+++ b/tools/build/Makefile.build
@@ -58,6 +58,9 @@ quiet_cmd_mkdir = MKDIR $(dir $@)
quiet_cmd_cc_o_c = CC $@
cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
+quiet_cmd_host_cc_o_c = HOSTCC $@
+ cmd_host_cc_o_c = $(HOSTCC) $(host_c_flags) -c -o $@ $<
+
quiet_cmd_cpp_i_c = CPP $@
cmd_cpp_i_c = $(CC) $(c_flags) -E -o $@ $<
@@ -70,16 +73,24 @@ quiet_cmd_gen = GEN $@
# If there's nothing to link, create empty $@ object.
quiet_cmd_ld_multi = LD $@
cmd_ld_multi = $(if $(strip $(obj-y)),\
- $(LD) -r -o $@ $(filter $(obj-y),$^),rm -f $@; $(AR) rcs $@)
+ $(LD) -r -o $@ $(filter $(obj-y),$^),rm -f $@; $(AR) rcs $@)
+
+quiet_cmd_host_ld_multi = HOSTLD $@
+ cmd_host_ld_multi = $(if $(strip $(obj-y)),\
+ $(HOSTLD) -r -o $@ $(filter $(obj-y),$^),rm -f $@; $(HOSTAR) rcs $@)
+
+ifneq ($(filter $(obj),$(hostprogs)),)
+ host = host_
+endif
# Build rules
$(OUTPUT)%.o: %.c FORCE
$(call rule_mkdir)
- $(call if_changed_dep,cc_o_c)
+ $(call if_changed_dep,$(host)cc_o_c)
$(OUTPUT)%.o: %.S FORCE
$(call rule_mkdir)
- $(call if_changed_dep,cc_o_c)
+ $(call if_changed_dep,$(host)cc_o_c)
$(OUTPUT)%.i: %.c FORCE
$(call rule_mkdir)
@@ -119,7 +130,7 @@ $(sort $(subdir-obj-y)): $(subdir-y) ;
$(in-target): $(obj-y) FORCE
$(call rule_mkdir)
- $(call if_changed,ld_multi)
+ $(call if_changed,$(host)ld_multi)
__build: $(in-target)
@: