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Makefile: add flag to disable C++ components

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This commit is contained in:
Sakari Kapanen 2017-12-09 21:21:07 +02:00
parent 1d77f3ec1f
commit 87ed838927
2 changed files with 9 additions and 3 deletions
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10
common.mk
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@ -97,10 +97,14 @@ $(1)_DEFAULT_ROOT := $(dir $(lastword $(MAKEFILE_LIST)))
$(1)_ROOT ?= $$($(1)_DEFAULT_ROOT)
$(1)_OBJ_DIR = $(call lc,$(BUILD_DIR)$(1)/)
### determine source files and object files ###
$(1)_SRC_FILES ?= $$(foreach sdir,$$($(1)_SRC_DIR), \
$$(wildcard $$(sdir)/*.c) $$(wildcard $$(sdir)/*.S) \
$$(wildcard $$(sdir)/*.cpp)) \
$(1)_TMP_SRC_FILES = $$(foreach sdir,$$($(1)_SRC_DIR), \
$$(wildcard $$(sdir)/*.c) $$(wildcard $$(sdir)/*.S)) \
$$($(1)_EXTRA_SRC_FILES)
ifeq ($(ENABLE_CXX),1)
$(1)_TMP_SRC_FILES += $$(foreach sdir,$$($(1)_SRC_DIR), \
$$(wildcard $$(sdir)/*.cpp))
endif
$(1)_SRC_FILES ?= $$($(1)_TMP_SRC_FILES)
$(1)_REAL_SRC_FILES = $$(foreach sfile,$$($(1)_SRC_FILES),$$(realpath $$(sfile)))
$(1)_REAL_ROOT = $$(realpath $$($(1)_ROOT))
# patsubst here substitutes real component root path for the relative OBJ_DIR path, making things short again

2
parameters.mk
View file

@ -85,6 +85,8 @@ SPLIT_SECTIONS ?= 1
# compile without warnings to be accepted.
WARNINGS_AS_ERRORS ?= 0
ENABLE_CXX ?= 1
# Common flags for both C & C++_
C_CXX_FLAGS ?= -Wall -Wl,-EL -nostdlib $(EXTRA_C_CXX_FLAGS)
# Flags for C only