diff options
Diffstat (limited to 'examples/make.mk')
| -rw-r--r-- | examples/make.mk | 45 |
1 files changed, 36 insertions, 9 deletions
diff --git a/examples/make.mk b/examples/make.mk index dd7a5cf4e..0a07da21c 100644 --- a/examples/make.mk +++ b/examples/make.mk @@ -2,6 +2,35 @@ # Common make definition for all examples # --------------------------------------- +#-------------- 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. $(lastword $(MAKEFILE_LIST)) returns +# the name of this makefile relative to where make was invoked. +THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST)) + +# strip off /tools/top.mk to get for example ../../.. +# and Set TOP to an absolute path +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 .)) + +# Detect whether shell style is windows or not +# https://stackoverflow.com/questions/714100/os-detecting-makefile/52062069#52062069 +ifeq '$(findstring ;,$(PATH))' ';' +# PATH contains semicolon - so we're definitely on Windows. +CMDEXE := 1 + +# makefile shell commands should use syntax for DOS CMD, not unix sh +# Unfortunately, SHELL may point to sh or bash, which can't accept DOS syntax. +# We can't just use sh, because while sh and/or bash shell may be available, +# many Windows environments won't have utilities like realpath used below, so... +# Force DOS command shell on Windows. +SHELL := cmd.exe +endif + + # Build directory BUILD := _build/$(BOARD) @@ -45,14 +74,10 @@ else SRC_C += $(subst $(TOP)/,,$(wildcard $(TOP)/$(FAMILY_PATH)/*.c)) endif - #-------------- Cross Compiler ------------ # Can be set by board, default to ARM GCC CROSS_COMPILE ?= arm-none-eabi- -# Allow for -Os to be changed by board makefiles in case -Os is not allowed -CFLAGS_OPTIMIZED ?= -Os - ifeq ($(CC),iccarm) USE_IAR = 1 endif @@ -61,29 +86,28 @@ ifdef USE_IAR AS = iasmarm LD = ilinkarm OBJCOPY = ielftool - SIZE = echo "size not available for IAR" + SIZE = size else CC = $(CROSS_COMPILE)gcc CXX = $(CROSS_COMPILE)g++ AS = $(CC) -x assembler-with-cpp LD = $(CC) - + GDB = $(CROSS_COMPILE)gdb OBJCOPY = $(CROSS_COMPILE)objcopy SIZE = $(CROSS_COMPILE)size endif -MKDIR = mkdir - ifeq ($(CMDEXE),1) CP = copy RM = del + MKDIR = mkdir PYTHON = python else - SED = sed CP = cp RM = rm + MKDIR = mkdir PYTHON = python3 endif @@ -95,6 +119,9 @@ SRC_C += $(subst $(TOP)/,,$(wildcard $(TOP)/$(BOARD_PATH)/*.c)) INC += $(TOP)/$(FAMILY_PATH) +# Allow for -Os to be changed by board makefiles in case -Os is not allowed +CFLAGS_OPTIMIZED ?= -Os + # GCC Compiler Flags GCC_CFLAGS += \ -ggdb \ |