Pass return code from main() to exit().

[pintos-anon] / src / Makefile.kernel

include Makefile.vars
BUILD_SUBDIRS = $(addprefix build/, $(SUBDIRS))
CP = cp
MKDIR = mkdir

all: build build/Makefile $(BUILD_SUBDIRS)
        $(MAKE) -C build

$(BUILD_SUBDIRS):
        $(MKDIR) $@
build:
        $(MKDIR) $@
build/Makefile: ../Makefile.build
        $(CP) $< $@

clean:
        rm -rf build