diff options
| author | Jerome Forissier <jerome.forissier@linaro.org> | 2018-05-29 18:03:11 +0200 |
|---|---|---|
| committer | Jérôme Forissier <jerome.forissier@linaro.org> | 2019-03-05 12:54:55 +0100 |
| commit | e59b134dc639b02af27ccbb21ecead810e5a1f75 (patch) | |
| tree | 97032da431f5eb914e68f66038ab138f40ccb6cd | |
| parent | 65fe41dbdc63557028cea7c43901326cbccc0cb1 (diff) | |
mk/lib.mk: add support for producing shared user libraries
This commit adds the infrastructure to build libutils, libmpa/
libmbedtls etc. as shared objects (.so).
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
| -rw-r--r-- | mk/lib.mk | 56 |
1 files changed, 51 insertions, 5 deletions
@@ -1,9 +1,15 @@ # Input # -# libname tells the name of the lib and -# libdir tells directory of lib which also is used as input to +# libname the name of the lib +# libdir directory of lib which also is used as input to # mk/subdir.mk # conf-file [optional] if set, all objects will depend on $(conf-file) +# [if CFG_ULIBS_SHARED==y] +# libuuid the UUID of the shared lib +# libl other libraries this library depends on; used to generate the +# proper link arguments (-Lxxx -lyyy) and to add dependencies +# on the needed .so files +# [endif] # # Output # @@ -20,13 +26,26 @@ endif endif include mk/compile.mk -lib-libfile = $(out-dir)/$(base-prefix)$(libdir)/lib$(libname).a -cleanfiles := $(cleanfiles) $(lib-libfile) -libfiles := $(lib-libfile) $(libfiles) +lib-libfile := $(out-dir)/$(base-prefix)$(libdir)/lib$(libname).a +ifeq ($(CFG_ULIBS_SHARED),y) +lib-shlibfile := $(out-dir)/$(base-prefix)$(libdir)/lib$(libname).so +lib-shlibstrippedfile := $(out-dir)/$(base-prefix)$(libdir)/lib$(libname).stripped.so +lib-shlibtafile := $(out-dir)/$(base-prefix)$(libdir)/$(libuuid).ta +lib-libuuidln := $(out-dir)/$(base-prefix)$(libdir)/$(libuuid).elf +lib-shlibfile-$(libname)-$(sm) := $(lib-shlibfile) +lib-libdir-$(libname)-$(sm) := $(out-dir)/$(base-prefix)$(libdir) +lib-needed-so-files := $(foreach l,$(libl),$(lib-shlibfile-$(l)-$(sm))) +lib-Ll-args := $(foreach l,$(libl),-L$(lib-libdir-$(l)-$(sm)) -l$(l)) +endif +cleanfiles := $(lib-libfile) $(lib-shlibfile) $(lib-shlibstrippedfile) $(lib-shlibtafile) $(lib-libuuidln) $(cleanfiles) +libfiles := $(lib-libfile) $(lib-shlibfile) $(lib-shlibstrippedfile) $(lib-shlibtafile) $(lib-libuuidln) $(libfiles) libdirs := $(out-dir)/$(base-prefix)$(libdir) $(libdirs) libnames := $(libname) $(libnames) libdeps := $(lib-libfile) $(libdeps) +SIGN = scripts/sign.py +TA_SIGN_KEY ?= keys/default_ta.pem + define process-lib ifeq ($(lib-use-ld), y) $(lib-libfile): $(objs) @@ -39,6 +58,26 @@ $(lib-libfile): $(objs) @mkdir -p $$(dir $$@) $$(q)rm -f $$@ && $$(AR$(sm)) rcs $$@ $$^ endif +ifeq ($(CFG_ULIBS_SHARED),y) +$(lib-shlibfile): $(objs) $(lib-needed-so-files) + @$(cmd-echo-silent) ' LD $$@' + @mkdir -p $$(dir $$@) + $$(q)$$(LD$(sm)) $(lib-ldflags) $(lib-Ll-args) -shared \ + --soname=$(libuuid) -o $$@ $$^ + +$(lib-shlibstrippedfile): $(lib-shlibfile) + @$(cmd-echo-silent) ' OBJCOPY $$@' + $$(q)$$(OBJCOPY$(sm)) --strip-unneeded $$< $$@ + +$(lib-shlibtafile): $(lib-shlibstrippedfile) $(TA_SIGN_KEY) + @$(cmd-echo-silent) ' SIGN $$@' + $$(q)$$(SIGN) --key $(TA_SIGN_KEY) --uuid $(libuuid) --version 0 \ + --in $$< --out $$@ + +$(lib-libuuidln): $(lib-shlibfile) + @$(cmd-echo-silent) ' LN $$@' + $$(q)ln -sf lib$(libname).so $$@ +endif endef #process-lib $(eval $(call process-lib)) @@ -48,4 +87,11 @@ $(objs): $(conf-file) # Clean residues from processing objs := libname := +libuuid := lib-use-ld := +lib-shlibfile := +lib-shlibstrippedfile := +lib-shlibtafile := +lib-libuuidln := +lib-needed-so-files := +libl := |