UC故事2011/12/17 build系统研究

1. Make知识总结

* 特殊变量

$@：代表目标全名，含后缀

$*：目标名，不含后缀

$<：第一个相关目标名

* 自动产生Makefile文件：autotools

· aclocal

· autoscan

· autoconf

· autoheader

· automake

例子：自动生成hellworld.c的makefile

step1: autoscan -> configure.scan -> configure.in

step2: vi configure.in,一些变量定义

step3: aclocal -> aclocal.m4

step4: autoconf

step5: vi makefile.am

step6: automake --add-missing

step7: ./configure

step8: make

step9: ./helloworld

2. gcc/g++开关

-Wpointer-arith

-pipe

-dl

-fPIC = Position Independent Code 2012/04/09

3. Make系统分析

* all_in_one.make

ifdef USER_DEPTH

SRC_ROOT = $(USER_DEPTH)

include $(SRC_ROOT)/config/makeinclude/macros.make

include $(SRC_ROOT)/config/makeinclude/rules.make

else

all clean: echo_error

endif # USER_DEPTH

echo_error:

@echo "Error, Makefile must define USER_DEPTH."

* platform.make

用途：一些开关量与宏的定义

debug = 1

optimize = 1

profile = 0

disable_assert=1

leak_check = 0

flow_control = 1

exceptions = 1

threads = 1

Q：以上开关干嘛用的？

4. build info server

g++ -Wall -Wpointer-arith -pipe -D_REENTRANT -D_GNU_SOURCE -Wall -Wpointer-arith -pipe -D_REENTRANT -D_GNU_SOURCE -g -g -g -g -O3 -O3 -DRT_UNIX -DRT_LINUX -DRT_UNIX -DRT_LINUX -D__MYSQL__ -D_Support_Dump_ -DSNMP_SUPPORT -D__INFO_ENABLE_FLOW_CONTROL__
-DRT_DEBUG -DRT_DISABLE_ASSERTE -I../../../src/util/h -I../../../src/h -I../../../src/common/h -I../../../src/Server/InfoSvr4.2/gcc -I../../../src/Server/InfoSvr4.2/mcs -I../../../src/Server/InfoSvr4.2/sdd -I../../../src/Server/InfoSvr4.2/h -I../../../src/Server/InfoSvr4.2/application
-I../../../h -I../../../src/Server/h -I../../../src/Server/common -I../../../src/Server/InfoSvr4.2/ServerInternalPdu -I../../../src/Server/InfoSvr4.2/application -I/usr/include/mysql -I../../../src/Server/messageBus -I../../../src/Server/SvrConfProxy -I../../../src/Server/PSTN/TelephoneMeeting
-o ../../../bin/InfoServer ../../../bin/Server/InfoServer/InfoServer.o ../../../bin/Server/InfoServer/InfoSvrConfigLoader.o -ldl -lpthread -lrt -ldl -lpthread -lrt ../../../bin/libgcc.a ../../../bin/libapplication.a ../../../bin/libInfoTelMeeting.a ../../../bin/libmcs.a
../../../bin/libsdd.a ../../../bin/libsdcommon.a ../../../bin/libfilemanager.a ../../../bin/libinfosessioncommon.a ../../../bin/libSvrConfProxy.a ../../../bin/libmessagebus.a ../../../bin/libinfofilecache.a ../../../bin/libconnmgr.a ../../../bin/libdblog.a
../../../bin/libs/libaudiocodec32.a ../../../bin/libsecurity.a ../../../bin/libnetwork.a ../../../bin/libframework.a -lmysqlclient -lz -L/usr/local/mysql/lib/mysql

../../../bin/Server/InfoServer/InfoServer.o: In function `LoadMixer()':

/root/project-space/box-infoserver-trunk-20111116/src/Server/InfoSvr4.2/InfoServer.cpp:66: undefined reference to `InfoServerLoadMixer::InfoServerLoadMixer()'

../../../bin/Server/InfoServer/InfoServer.o: In function `SnmpMonitorServer<InfoSvrGeneralConfControl, _Mon_Info_Server_Info>::Release()':

/root/project-space/box-infoserver-trunk-20111116/src/Server/InfoSvr4.2/../../../src/util/h/SnmpMonitorServer.h:88: undefined reference to `shm_server_unregister'

../../../bin/Server/InfoServer/InfoServer.o: In function `__tcf_7':

/root/project-space/box-infoserver-trunk-20111116/src/Server/InfoSvr4.2/InfoServer.cpp:66: undefined reference to `InfoServerLoadMixer::~InfoServerLoadMixer()'

../../../bin/Server/InfoServer/InfoServer.o: In function `SnmpMonitorServer<InfoSvrGeneralConfControl, _Mon_Info_Server_Info>::OnTimer(CRtTimerWrapper*)':

/root/project-space/box-infoserver-trunk-20111116/src/Server/InfoSvr4.2/../../../src/util/h/SnmpMonitorServer.h:106: undefined reference to `shm_lock'

/root/project-space/box-infoserver-trunk-20111116/src/Server/InfoSvr4.2/../../../src/util/h/SnmpMonitorServer.h:114: undefined reference to `shm_unlock'

../../../bin/Server/InfoServer/InfoServer.o: In function `SnmpMonitorServer<InfoSvrGeneralConfControl, _Mon_Info_Server_Info>::Release()':

/root/project-space/box-infoserver-trunk-20111116/src/Server/InfoSvr4.2/../../../src/util/h/SnmpMonitorServer.h:88: undefined reference to `shm_server_unregister'

/root/project-space/box-infoserver-trunk-20111116/src/Server/InfoSvr4.2/../../../src/util/h/SnmpMonitorServer.h:88: undefined reference to `shm_server_unregister'

../../../bin/Server/InfoServer/InfoServer.o: In function `SnmpMonitorServer<InfoSvrGeneralConfControl, _Mon_Info_Server_Info>::Initialize(InfoSvrGeneralConfControl*, CRtString const&, CRtString const&, CRtString const&)':

/root/project-space/box-infoserver-trunk-20111116/src/Server/InfoSvr4.2/../../../src/util/h/SnmpMonitorServer.h:53: undefined reference to `shm_server_register'

../../../bin/libgcc.a(InfoSvrGeneralConfControl.o): In function `InfoSvrGeneralConfControl::OnNewConnection(CRtMessageBlock*, IConnection*)':

/root/project-space/box-infoserver-trunk-20111116/src/Server/InfoSvr4.2/gcc/InfoSvrGeneralConfControl.cpp:210: undefined reference to `CInfoSvrSlaveServerJoinConfRqstPdu::CInfoSvrSlaveServerJoinConfRqstPdu()'

/

# make -f Makefile.qa.infoserver

make -C util/dblog all -f Makefile

make[2]: Entering directory `/root/project-space/box-infoserver-trunk-20111116/src/util/dblog'

mkdir: 无法创建目录 “../../../bin/util/dblog”: 只读文件系统

make[2]: *** [../../../bin/util/dblog] 错误 1

[root@localhost /]# cat /proc/mounts

rootfs / rootfs rw 0 0

/dev/root / ext3 ro,data=ordered 0 0

/dev /dev tmpfs rw 0 0

/proc /proc proc rw 0 0

5. 杂问

Q：USER_LINK_LIBS哪里定义？系统定义还是自定义？