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# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# Compilation Options
# Debug mode [yes/no] (allowing to debug the library via gdb):
DEBUG ?= no
# Specify your favourite C compiler here:
CC ?= gcc
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# Preparations
# Compile under the most strict conditions:
CFLAGS = -xc -ansi -pedantic -Wall -Wextra
# Specify linker to use the library:
LFLAGS = -L$(BUILD) -lmagi
# Debug and optimisation (as well as -static for valgrind) are not compatible:
ifeq '$(DEBUG)' 'yes'
CFLAGS += -g -O0
else
CFLAGS += -O3
LFLAGS += -static
endif
# Directories definitions:
INCLUDE = include
BUILD = build
SRCDIR = src
EXADIR = examples
# Library itself:
LIB = libmagi.a
# Modules:
EXTERNAL = $(foreach x,$(notdir $(wildcard $(INCLUDE)/magi/*.h)),$(x:.h=))
INTERNAL = $(foreach x,$(notdir $(wildcard $(SRCDIR)/*.h)),$(x:.h=))
# Default target is library:
TARGET = $(BUILD)/$(LIB)
# Determing needed object files:
EXTER_H = $(foreach x,$(EXTERNAL:=.h),$(INCLUDE)/magi/$(x))
EXTER_C = $(foreach x,$(EXTERNAL:=.c),$(SRCDIR)/$(x))
INTER_H = $(foreach i,$(INTERNAL:=.h),$(SRCDIR)/$(i))
INTER_C = $(INTER_H:.h=.c)
SRC = $(INTER_C) $(EXTER_C)
OBJ = $(foreach o,$(SRC:.c=.o),$(BUILD)/$(o))
# Example executables:
EXASRC = $(wildcard $(EXADIR)/*.c)
EXAMPLES = $(foreach x,$(EXASRC:.c=),$(BUILD)/$(x))
# Dependency file:
DEPS = deps.mk
SRCINC = -I$(INCLUDE)/magi
EXAINC = -I$(INCLUDE)
SRCBUILD = $(BUILD)/$(SRCDIR)
EXABUILD = $(BUILD)/$(EXADIR)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# Targets
.PHONY: all examples clean
all: $(SRCBUILD) $(TARGET)
examples: all $(EXABUILD) $(EXAMPLES)
clean:
rm -f $(TARGET) $(OBJ) $(EXAMPLES) $(DEPS)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# Compilation
-include $(DEPS)
# Packing object files into library:
$(TARGET): $(OBJ)
ar -rcs $@ $^
# Compile object files from corresponding source:
$(BUILD)/%.o: %.c
$(CC) $(CFLAGS) $(SRCINC) -c $< -o $@
# Compile executables from corresponding sources and library:
$(BUILD)/%: %.c $(TARGET)
$(CC) $(CFLAGS) $(EXAINC) $< $(LFLAGS) -o $@
# Create build directories, if no such:
$(SRCBUILD) $(EXABUILD):
mkdir -p $@
# Generate dependency file, adding corresponding build prefixes:
$(DEPS): $(SRC) $(EXASRC) $(EXTER_H) $(INTER_H) $(INCLUDE)/magi.h
$(CC) $(SRCINC) $(SRC) -MM | sed '/^ /!s#^#$(SRCBUILD)/#' > $@
$(CC) $(EXAINC) $(EXASRC) -MM | sed '/^ /!s#^#$(EXABUILD)/#;s/\.o//' >> $@
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