交叉編譯libACE

訪問ace的官網

關於需要使用的sunxi交叉編譯器，見

2. 準備

執行命令，設定ace_root環境變數

cp ./config-linux.h ./config.h

cd ../include/makeinclude/

ln -s ./platform_linux.gnu ./platform_macros.gnu

修改makefile中的編譯器為sunxi的arm-linux-gnueabihf-*，vi開啟 include/makeinclude/platform_g++_common.gnu，原文為：

ifeq ($(insure),1)
cc = insure
cxx = insure
else
ifneq ($(cross_compile),)
cross-compile = 1
# build using the cross-tools
ifneq ($($cross_compile_postfix),)
cc = $gcc
cxx = $g++
ar = $ar
else
cc = $gcc
cxx = $g++
ar = $ar
endif
# cross-linker requires this for linked in shared libs that depend
# themselves on other shared libs (not directly linked in)
ldflags += -wl,-rpath-link,$(ace_root)/lib
ifneq (,$(host_root))
tao_idlflags += -g $(host_root)/bin/ace_gperf
tao_idl = $(host_root)/bin/tao_idl
tao_idl_dep = $(tao_idl)
tao_idl3_to_idl2 = $(host_root)/bin/tao_idl3_to_idl2
tao_idl3_to_idl2_dep = $(tao_idl3_to_idl2)
tao_idl3_to_xmi = $(host_root)/bin/tao_idl3_to_xmi
tao_idl3_to_xmi_dep = $(tao_idl3_to_xmi)
# make sure to use the target compiler, not the cross-compiler
# as preprocessor for the cross-compiled idl tools
tao_idl_preprocessor = gcc
endif
endif
endif

修改為

cross_compile:=arm-linux-gnueabihf-
#ifeq ($(insure),1)
# cc = insure
# cxx = insure
#else
ifneq ($(cross_compile),)
cross-compile = 1
# build using the cross-tools
ifneq ($($cross_compile_postfix),)
cc = $gcc
cxx = $g++
ar = $ar
else
cc = $gcc
cxx = $g++
ar = $ar
endif
# cross-linker requires this for linked in shared libs that depend
# themselves on other shared libs (not directly linked in)
ldflags += -wl,-rpath-link,$(ace_root)/lib
ifneq (,$(host_root))
tao_idlflags += -g $(host_root)/bin/ace_gperf
tao_idl = $(host_root)/bin/tao_idl
tao_idl_dep = $(tao_idl)
tao_idl3_to_idl2 = $(host_root)/bin/tao_idl3_to_idl2
tao_idl3_to_idl2_dep = $(tao_idl3_to_idl2)
tao_idl3_to_xmi = $(host_root)/bin/tao_idl3_to_xmi
tao_idl3_to_xmi_dep = $(tao_idl3_to_xmi)
# make sure to use the target compiler, not the cross-compiler
# as preprocessor for the cross-compiled idl tools
tao_idl_preprocessor = gcc
endif
endif
#endif

3. 編譯

執行make，編譯了一陣後出現錯誤：

.shobj/mem_acceptor.o:(.rodata+0x0): multiple definition of `typeinfo name for ace_singleton' .shobj/based_pointer_repository.o:(.rodata+0x0): first defined here .shobj/mem_acceptor.o:(.data.rel.ro+0x0): multiple definition of `typeinfo for ace_singleton' .shobj/based_pointer_repository.o:(.data.rel.ro+0x0): first defined here .shobj/mem_connector.o:(.rodata+0x0): multiple definition of `typeinfo name for ace_singleton' .shobj/based_pointer_repository.o:(.rodata+0x0): first defined here .shobj/mem_connector.o:(.data.rel.ro+0x0): multiple definition of `typeinfo for ace_singleton' .shobj/based_pointer_repository.o:(.data.rel.ro+0x0): first defined here

...

推測是ace/config-g++-common.h中的巨集定義

ace_export_singleton_declaration

ace_export_singleton_declare

造成的，修改ace/config.h，在其中增加

#define ace_gcc_has_template_instantiation_visibility_attrs 1

或者，在include/makeinclude/platform_macros.gnu中增加

no_hidden_visibility=1

注意，該語句必須加在include $(ace_root)/include/makeinclude/platform_linux_common.gnu之前，如

# -*- makefile -*- # $id: platform_linux.gnu 97130 2013-05-13 17:36:26z mesnier_p $ no_hidden_visibility=1

include $(ace_root)/include/makeinclude/platform_linux_common.gnu

執行

make clean

make

ok，順利通過

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