CC=gcc
CFLAGS=-O2 
LDFLAGS=-lm -lgmp -lz

IS_CC_GCC=$(shell $(CC) --version | grep -Eic 'gcc')
IS_CC_CLANG=$(shell $(CC) --version | grep -Eic '(llvm|clang)')
IS_CC_ICC=$(shell $(CC) --version | grep -Eic 'Intel')

ifeq ($(IS_CC_GCC), 1)
	CFLAGS+=-fopenmp
else
    ifneq ($(IS_CC_CGLANG), 0)
	LDFLAGS+=-lomp
    endif
#else 
#    ifeq ($(IS_CC_ICC), 1)
#
#    endif

endif


all: reducibility

clean:
	rm -f reducibility_complexity

reducibility: reducibility_complexity.c
	$(CC) $(CFLAGS) $(LDFLAGS)  reducibility_complexity.c  -o  reducibility_complexity