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-rw-r--r--examples/build_system/make/make.mk82
1 files changed, 47 insertions, 35 deletions
diff --git a/examples/build_system/make/make.mk b/examples/build_system/make/make.mk
index 772befca4..1500a51e0 100644
--- a/examples/build_system/make/make.mk
+++ b/examples/build_system/make/make.mk
@@ -2,6 +2,24 @@
# Common make definition for all examples
# ---------------------------------------
+#-------------------------------------------------------------
+# Toolchain
+# Can be changed via TOOLCHAIN=gcc|iar or CC=arm-none-eabi-gcc|iccarm|clang
+#-------------------------------------------------------------
+
+ifneq (,$(findstring clang,$(CC)))
+ TOOLCHAIN = clang
+else ifneq (,$(findstring iccarm,$(CC)))
+ TOOLCHAIN = iar
+else ifneq (,$(findstring gcc,$(CC)))
+ TOOLCHAIN = gcc
+endif
+
+# Default to GCC
+ifndef TOOLCHAIN
+ TOOLCHAIN = gcc
+endif
+
#-------------- TOP and CURRENT_PATH ------------
# Set TOP to be the path to get from the current directory (where make was invoked) to the top of the tree.
@@ -15,6 +33,8 @@ TOP = $(abspath $(subst make.mk,../../..,$(THIS_MAKEFILE)))
# Set CURRENT_PATH to the relative path from TOP to the current directory, ie examples/device/cdc_msc_freertos
CURRENT_PATH = $(subst $(TOP)/,,$(abspath .))
+#-------------- Linux/Windows ------------
+
# Detect whether shell style is windows or not
# https://stackoverflow.com/questions/714100/os-detecting-makefile/52062069#52062069
ifeq '$(findstring ;,$(PATH))' ';'
@@ -26,13 +46,18 @@ CMDEXE := 1
SHELL := cmd.exe
endif
-# Handy check parameter function
-check_defined = \
- $(strip $(foreach 1,$1, \
- $(call __check_defined,$1,$(strip $(value 2)))))
-__check_defined = \
- $(if $(value $1),, \
- $(error Undefined make flag: $1$(if $2, ($2))))
+ifeq ($(CMDEXE),1)
+ CP = copy
+ RM = del
+ MKDIR = mkdir
+ PYTHON = python
+else
+ CP = cp
+ RM = rm
+ MKDIR = mkdir
+ PYTHON = python3
+endif
+
# Build directory
BUILD := _build/$(BOARD)
@@ -44,8 +69,8 @@ BIN := $(TOP)/_bin/$(BOARD)/$(notdir $(CURDIR))
# Board without family
ifneq ($(wildcard $(TOP)/hw/bsp/$(BOARD)/board.mk),)
-BOARD_PATH := hw/bsp/$(BOARD)
-FAMILY :=
+ BOARD_PATH := hw/bsp/$(BOARD)
+ FAMILY :=
endif
# Board within family
@@ -68,31 +93,6 @@ else
SRC_C += $(subst $(TOP)/,,$(wildcard $(TOP)/$(FAMILY_PATH)/*.c))
endif
-#-------------- Toolchain ------------
-
-# Supported toolchain: gcc, iar
-TOOLCHAIN ?= gcc
-
-# Can be set by board, default to ARM GCC
-CROSS_COMPILE ?= arm-none-eabi-
-
-ifeq ($(TOOLCHAIN),iar)
-CC := iccarm
-USE_IAR = 1
-endif
-
-ifeq ($(CMDEXE),1)
- CP = copy
- RM = del
- MKDIR = mkdir
- PYTHON = python
-else
- CP = cp
- RM = rm
- MKDIR = mkdir
- PYTHON = python3
-endif
-
#-------------- Source files and compiler flags --------------
# tinyusb makefile
include $(TOP)/src/tinyusb.mk
@@ -109,6 +109,10 @@ INC += \
BOARD_UPPER = $(subst a,A,$(subst b,B,$(subst c,C,$(subst d,D,$(subst e,E,$(subst f,F,$(subst g,G,$(subst h,H,$(subst i,I,$(subst j,J,$(subst k,K,$(subst l,L,$(subst m,M,$(subst n,N,$(subst o,O,$(subst p,P,$(subst q,Q,$(subst r,R,$(subst s,S,$(subst t,T,$(subst u,U,$(subst v,V,$(subst w,W,$(subst x,X,$(subst y,Y,$(subst z,Z,$(subst -,_,$(BOARD))))))))))))))))))))))))))))
CFLAGS += -DBOARD_$(BOARD_UPPER)
+ifdef CFLAGS_CLI
+ CFLAGS += $(CFLAGS_CLI)
+endif
+
# use max3421 as host controller
ifeq (${MAX3421_HOST},1)
SRC_C += src/portable/analog/max3421/hcd_max3421.c
@@ -124,7 +128,7 @@ endif
# Logger: default is uart, can be set to rtt or swo
ifneq ($(LOGGER),)
- CMAKE_DEFSYM += -DLOGGER=$(LOGGER)
+ CMAKE_DEFSYM += -DLOGGER=$(LOGGER)
endif
ifeq ($(LOGGER),rtt)
@@ -143,3 +147,11 @@ endif
# toolchain specific
include ${TOP}/examples/build_system/make/toolchain/arm_$(TOOLCHAIN).mk
+
+# Handy check parameter function
+check_defined = \
+ $(strip $(foreach 1,$1, \
+ $(call __check_defined,$1,$(strip $(value 2)))))
+__check_defined = \
+ $(if $(value $1),, \
+ $(error Undefined make flag: $1$(if $2, ($2))))