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Makefile: Support make -s to silence the build

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Add support for silencing the build with make -s, which means nothing is
printed unless there is an error. Similar to the way Linux does it.

Signed-off-by: Michael Ellerman <mpe@kernel.org>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20260622-upstream-v1-1-792e1847e96e@kernel.org
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Michael Ellerman
2026-08-20 20:16:42 +05:30
committed by Anup Patel
parent bc7a78f41b
commit 65be0e37c4
1 changed files with 28 additions and 19 deletions
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Makefile
+28 -19
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@@ -481,17 +481,26 @@ endif
define dynamic_flags
-I$(shell dirname $(2)) -D__OBJNAME__=$(subst -,_,$(shell basename $(1) .o))
endef
# If the user requested silent operation (make -s), hide the
# pretty command output by turning the echo into ":" (nop).
ifneq ($(findstring s,$(firstword $(MAKEFLAGS))),)
pretty_echo := :
else
pretty_echo := echo
endif
merge_objs = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " MERGE $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " MERGE $(subst $(build_dir)/,,$(1))"; \
$(LD) $(MERGEFLAGS) $(2) -o $(1)
merge_deps = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " MERGE-DEP $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " MERGE-DEP $(subst $(build_dir)/,,$(1))"; \
cat $(2) > $(1)
copy_file = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " COPY $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " COPY $(subst $(build_dir)/,,$(1))"; \
cp -L -f $(2) $(1)
inst_file = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " INSTALL $(subst $(install_root_dir)/,,$(1))"; \
$(pretty_echo) " INSTALL $(subst $(install_root_dir)/,,$(1))"; \
cp -L -f $(2) $(1)
inst_file_list = $(CMD_PREFIX)if [ ! -z "$(4)" ]; then \
mkdir -p $(1)/$(3); \
@@ -499,62 +508,62 @@ inst_file_list = $(CMD_PREFIX)if [ ! -z "$(4)" ]; then \
rel_file=`echo $$file | sed -e 's@$(2)/$(subst $(install_firmware_path),platform,$(3))@@'`; \
dest_file=$(1)"/"$(3)"/"`echo $$rel_file`; \
dest_dir=`dirname $$dest_file`; \
echo " INSTALL "$(3)"/"`echo $$rel_file`; \
$(pretty_echo) " INSTALL "$(3)"/"`echo $$rel_file`; \
mkdir -p $$dest_dir; \
cp -L -f $$file $$dest_file; \
done \
fi
inst_header_dir = $(CMD_PREFIX)mkdir -p $(1); \
echo " INSTALL $(subst $(install_root_dir)/,,$(1))"; \
$(pretty_echo) " INSTALL $(subst $(install_root_dir)/,,$(1))"; \
cp -L -rf $(2) $(1)
compile_cpp_dep = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " CPP-DEP $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " CPP-DEP $(subst $(build_dir)/,,$(1))"; \
printf %s `dirname $(1)`/ > $(1) && \
$(CC) $(CPPFLAGS) -x c -MM $(3) \
-MT `basename $(1:.dep=$(2))` >> $(1) || rm -f $(1)
compile_cpp = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " CPP $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " CPP $(subst $(build_dir)/,,$(1))"; \
$(CPP) $(CPPFLAGS) -x c $(2) | grep -v "\#" > $(1)
compile_cc_dep = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " CC-DEP $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " CC-DEP $(subst $(build_dir)/,,$(1))"; \
printf %s `dirname $(1)`/ > $(1) && \
$(CC) $(CFLAGS) $(call dynamic_flags,$(1),$(2)) \
-MM $(2) >> $(1) || rm -f $(1)
compile_cc = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " CC $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " CC $(subst $(build_dir)/,,$(1))"; \
$(CC) $(CFLAGS) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1)
compile_as_dep = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " AS-DEP $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " AS-DEP $(subst $(build_dir)/,,$(1))"; \
printf %s `dirname $(1)`/ > $(1) && \
$(AS) $(ASFLAGS) $(call dynamic_flags,$(1),$(2)) \
-MM $(2) >> $(1) || rm -f $(1)
compile_as = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " AS $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " AS $(subst $(build_dir)/,,$(1))"; \
$(AS) $(ASFLAGS) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1)
compile_elf = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " ELF $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " ELF $(subst $(build_dir)/,,$(1))"; \
$(CC) $(CFLAGS) $(3) $(ELFFLAGS) -Wl,-T$(2) -o $(1)
compile_ar = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " AR $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " AR $(subst $(build_dir)/,,$(1))"; \
$(AR) $(ARFLAGS) $(1) $(2)
compile_objcopy = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " OBJCOPY $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " OBJCOPY $(subst $(build_dir)/,,$(1))"; \
$(OBJCOPY) -S -O binary $(2) $(1)
compile_dts = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " DTC $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " DTC $(subst $(build_dir)/,,$(1))"; \
$(CPP) $(DTSCPPFLAGS) $(2) | $(DTC) -O dtb -i `dirname $(2)` -o $(1)
compile_d2c = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " D2C $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " D2C $(subst $(build_dir)/,,$(1))"; \
$(if $($(2)-varalign-$(3)),$(eval D2C_ALIGN_BYTES := $($(2)-varalign-$(3))),$(eval D2C_ALIGN_BYTES := $(4))) \
$(if $($(2)-varprefix-$(3)),$(eval D2C_NAME_PREFIX := $($(2)-varprefix-$(3))),$(eval D2C_NAME_PREFIX := $(5))) \
$(if $($(2)-padding-$(3)),$(eval D2C_PADDING_BYTES := $($(2)-padding-$(3))),$(eval D2C_PADDING_BYTES := 0)) \
$(src_dir)/scripts/d2c.sh -i $(6) -a $(D2C_ALIGN_BYTES) -p $(D2C_NAME_PREFIX) -t $(D2C_PADDING_BYTES) > $(1)
compile_carray = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " CARRAY $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " CARRAY $(subst $(build_dir)/,,$(1))"; \
$(eval CARRAY_VAR_LIST := $(carray-$(subst .carray.c,,$(shell basename $(1)))-y)) \
$(src_dir)/scripts/carray.sh -i $(2) -l "$(CARRAY_VAR_LIST)" > $(1) || rm $(1)
compile_gen_dep = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " GEN-DEP $(subst $(build_dir)/,,$(1))"; \
$(pretty_echo) " GEN-DEP $(subst $(build_dir)/,,$(1))"; \
echo "$(1:.dep=$(2)): $(3)" >> $(1)
targets-y = $(build_dir)/lib/libsbi.a