UNAME = ${shell uname}
ifeq (${UNAME},Linux)
CC ?= /usr/bin/gcc
else ifeq (${UNAME},Darwin)
SDKROOT_macosx ?= ${shell xcrun --show-sdk-path}
MACOSX_VERSION_MIN ?= 10.6
CC = ${shell xcrun --sdk ${SDKROOT_macosx} --find cc} -isysroot ${SDKROOT_macosx} -mmacosx-version-min=${MACOSX_VERSION_MIN}
else
CC = C:/MinGW/bin/gcc.exe
EXE_SUFFIX = .exe
endif

.PHONY: all
all: circlegen${EXE_SUFFIX}

circlegen${EXE_SUFFIX}: circlegen.o libstem_pngimageio.a libstem_bitmapimage.a libstem_stemobject.a libstem_utilities.a
	${CC} -o $@ $^ -lz -lpng -lm

circlegen.o: circlegen.c
	${CC} -Wall -Wextra -Wno-unused-parameter -Werror -O3 -g -I . -c -o $@ $^

.PHONY: clean
clean:
	rm -f circlegen.o circlegen