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prefix ?= /usr
includedir ?= $(prefix)/include
libdir ?= $(prefix)/lib
libdevdir ?= $(prefix)/lib
CPPFLAGS ?=
override CPPFLAGS += -D_GNU_SOURCE \
-Iinclude/ -include ../config-host.h
CFLAGS ?= -g -fomit-frame-pointer -O2 -Wall -Wextra
override CFLAGS += -Wno-unused-parameter -Wno-sign-compare
SO_CFLAGS=-fPIC $(CFLAGS)
L_CFLAGS=$(CFLAGS)
LINK_FLAGS=
LINK_FLAGS+=$(LDFLAGS)
ENABLE_SHARED ?= 1
soname=liburing.so.2
minor=1
micro=0
libname=$(soname).$(minor).$(micro)
all_targets += liburing.a
ifeq ($(ENABLE_SHARED),1)
all_targets += $(libname)
endif
include ../Makefile.quiet
ifneq ($(MAKECMDGOALS),clean)
include ../config-host.mak
endif
all: $(all_targets)
liburing_srcs := setup.c queue.c register.c
ifeq ($(CONFIG_NOLIBC),y)
liburing_srcs += nolibc.c
override CFLAGS += -nostdlib -nodefaultlibs -ffreestanding -fno-stack-protector
override CPPFLAGS += -nostdlib -nodefaultlibs -ffreestanding -fno-stack-protector
override LINK_FLAGS += -nostdlib -nodefaultlibs
else
liburing_srcs += syscall.c
endif
liburing_objs := $(patsubst %.c,%.ol,$(liburing_srcs))
liburing_sobjs := $(patsubst %.c,%.os,$(liburing_srcs))
$(liburing_srcs): syscall.h lib.h
$(liburing_objs) $(liburing_sobjs): include/liburing/io_uring.h
%.os: %.c
$(QUIET_CC)$(CC) $(CPPFLAGS) $(SO_CFLAGS) -c -o $@ $<
%.ol: %.c
$(QUIET_CC)$(CC) $(CPPFLAGS) $(L_CFLAGS) -c -o $@ $<
AR ?= ar
RANLIB ?= ranlib
liburing.a: $(liburing_objs)
@rm -f liburing.a
$(QUIET_AR)$(AR) r liburing.a $^
$(QUIET_RANLIB)$(RANLIB) liburing.a
$(libname): $(liburing_sobjs) liburing.map
$(QUIET_CC)$(CC) $(SO_CFLAGS) -shared -Wl,--version-script=liburing.map -Wl,-soname=$(soname) -o $@ $(liburing_sobjs) $(LINK_FLAGS)
install: $(all_targets)
install -D -m 644 include/liburing/io_uring.h $(includedir)/liburing/io_uring.h
install -D -m 644 include/liburing.h $(includedir)/liburing.h
install -D -m 644 include/liburing/compat.h $(includedir)/liburing/compat.h
install -D -m 644 include/liburing/barrier.h $(includedir)/liburing/barrier.h
install -D -m 644 liburing.a $(libdevdir)/liburing.a
ifeq ($(ENABLE_SHARED),1)
install -D -m 755 $(libname) $(libdir)/$(libname)
ln -sf $(libname) $(libdir)/$(soname)
ln -sf $(relativelibdir)$(libname) $(libdevdir)/liburing.so
endif
$(liburing_objs): include/liburing.h
clean:
@rm -f $(all_targets) $(liburing_objs) $(liburing_sobjs) $(soname).new
@rm -f *.so* *.a *.o
@rm -f include/liburing/compat.h
@# When cleaning, we don't include ../config-host.mak,
@# so the nolibc objects are always skipped, clean them up!
@rm -f nolibc.ol nolibc.os
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