# vim: noexpandtab tabstop=4 :

buildtype ?= release

buildtype_options = buildtypes/${buildtype}.txt

prefix = bin/${buildtype}-buildtype

objs = $(patsubst %.c,${prefix}/%.o,$(srcs))

default: ${prefix}/pegrep

srclist.mk:
	find -name '*.c' -! -path '*/junk/*' | sed 's/^/srcs += /' | sort -V > $@

include srclist.mk

.PRECIOUS: %/

%/:
	@mkdir -p $@

${prefix}/pegrep: ${buildtype_options} ${objs} | ${prefix}/
	@echo "${buildtype}: linking ${@} ..."
	@gcc @${buildtype_options} ${objs} -o $@ -lm

${prefix}/%.o ${prefix}/%.d: %.c ${buildtype_options} | ${prefix}/%/
	@echo "${buildtype}: compiling ${*}.c ..."
	@gcc -c @${buildtype_options} $< -MD -MF ${prefix}/${*}.d -o ${prefix}/${*}.o # || (${EDITOR} $<; false)

# env += UBSAN_OPTIONS='halt_on_error=1,print_stacktrace=1'

run: ${prefix}/pegrep
	${env} $< ${args}

gdbrun: ${prefix}/pegrep
	gdb --args $< ${args}

valrun: ${prefix}/pegrep
	valgrind --gen-suppressions=yes -- $< ${args}

valrun-leak: ${prefix}/pegrep
	valgrind --leak-check=full --gen-suppressions=yes -- $< ${args}

include $(patsubst %.c,${prefix}/%.d,$(srcs))