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Makefile: better support additional source libraries

This commit is contained in:
King Kévin 2017-07-02 15:07:05 +02:00
parent f714b648b7
commit cad318b1e0
1 changed files with 22 additions and 15 deletions
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37
Makefile
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@ -37,13 +37,14 @@ OPENCM3_LIB = $(OPENCM3_DIR)/lib
# library for the STM32F1 (provided by opencm3)
STM32F1_LIB = opencm3_stm32f1
# libraries with source code used (also to be compiled)
SRCLIBS = . lib
# source files (this will be populated using includes based DEPENDENCIES)
CSRC = global.c
# headers corresponding to source files
CHDR = $(sort $(patsubst %.c,%.h,$(CSRC)))
# objects compiled from source files
OBJ = $(sort $(patsubst %.c,%.o,$(CSRC)))
CSRC =
# headers (unique, and if existing) corresponding to source files
CHDR = $(sort $(patsubst %.c,%.h,$(wildcard $(CSRC))))
# objects (unique, and if existing) compiled from source files
OBJ = $(sort $(patsubst %.c,%.o,$(wildcard $(CSRC))))
# figure out based on the main sources files which library files are used
DEPENDENCIES = $(patsubst %,%.inc,$(FIRMWARE))
# populates CSRC based on the library files used
@ -89,7 +90,7 @@ CFLAGS += -nostdlib -nostdinc
# include ELLCC libraries
CFLAGS += -I $(ELLCC)libecc/include/ -I $(ELLCC)libecc/include/arm/
# include own libraries
CFLAGS += -I . -I lib
CFLAGS += $(foreach lib,$(SRCLIBS),-I $(lib))
# include opencm3 libraries
CFLAGS += -I $(OPENCM3_INC)
# add defines for micro-controller and board
@ -152,14 +153,20 @@ hex: $(patsubst %,%.hex,$(FIRMWARE))
$(info compiling $(@))
$(Q)$(CC) $(CFLAGS) $(ARCH_FLAGS) -o $(@) -c $(<)
# generate dependencies (requires libopencm3 to be built to generate all libraries)
%.d: %.c $(OPENCM3_LIB)/lib$(STM32F1_LIB).a
@# check which libraries are used
$(Q)$(CC) $(CFLAGS) $(ARCH_FLAGS) -MM -MF $(@) -o /dev/null -c $(<)
# figure out which library source files are used for later inclusion
%.inc: %.d
$(Q)grep -o -e " lib\/[^ ]*\.h" $(<) | sed -e 's|\(.*\)\.h$$|CSRC +=\1.c\n-include\1.inc|g' -e 's|.*${*}.*||g' > $(@)
# find out which library source files also need to be compiled and linked, based on its dependencies
%.inc: %.c $(OPENCM3_LIB)/lib$(STM32F1_LIB).a
$(Q)echo "" > $(@)
$(Q)for dependency in $(shell $(CC) $(CFLAGS) $(ARCH_FLAGS) -MM -c $(<)); do \
if [ -f "$${dependency}" ]; then \
for lib in $(SRCLIBS); do \
if [ `dirname "$${dependency}"` = "$${lib}" ]; then \
if [ -f `echo "$${dependency}" | sed -e 's|\(.*\)\.h$$|\1.c|'` ]; then \
echo "$${dependency}" | sed -e 's|\(.*\)\.h$$|CSRC += \1.c\n-include \1.inc|g' -e 's|.*${*}.*||g' >> $(@); \
fi; \
fi; \
done; \
fi; \
done
# get libopencm3
$(OPENCM3_DIR)/Makefile: