Experimental Physics and Industrial Control System
Dear all,
I have a question concerning cross-compiling EPICS base. I'm trying to
cross-comile base 7.03. for linux-arm on my linux-x86_64 host system.
My configure/os/CONFIG_SITE.linux-x86-64.linux-arm looks like this
GNU_TARGET = arm-angstrom-linux-gnueabi
GNU_BIN =
/opt/cross-compiler/sysroots/x86_64-angstromsdk-linux/usr/bin/arm-angstrom-linux-gnueabi
COMMANDLINE_LIBRARY = READLINE_NCURSES
USR_CFLAGS += -march=armv7-a -mthumb -mfpu=neon -mfloat-abi=hard
--sysroot=/opt/iseg/cross-compiler/sysroots/armv7at2hf-neon-angstrom-linux-gnueabi
USR_CXXFLAGS += -march=armv7-a -mthumb -mfpu=neon -mfloat-abi=hard
--sysroot=/opt/iseg/cross-compiler/sysroots/armv7at2hf-neon-angstrom-linux-gnueabi
Looking at the compiler commands executed by make below, only the
USR_CFLAGS are used when compiling c files, but the CXXFLAGS are ignored.
/opt/iseg/cross-compiler/sysroots/x86_64-angstromsdk-linux/usr/bin/arm-angstrom-linux-gnueabi/arm-angstrom-linux-gnueabi-gcc
-D_GNU_SOURCE -D_DEFAULT_SOURCE -march=armv7-a -mthumb
-mfpu=neon -mfloat-abi=hard
--sysroot=/opt/iseg/cross-compiler/sysroots/armv7at2hf-neon-angstrom-linux-gnueabi
-DUNIX -Dlinux -O3 -g -Wall -march=armv7-a -mthumb
-mfpu=neon -mfloat-abi=hard
--sysroot=/opt/iseg/cross-compiler/sysroots/armv7at2hf-neon-angstrom-linux-gnueabi
-fPIC -I. -I../O.Common -I. -I../../src/osi/compiler/gcc
-I../../src/osi/compiler/default -I. -I../../src/osi/os/Linux
-I../../src/osi/os/posix -I../../src/osi/os/default -I..
-I../../src/as -I../../src/bucketLib -I../../src/calc
-I../../src/cvtFast -I../../src/cppStd -I../../src/cxxTemplates
-I../../src/dbmf -I../../src/ellLib -I../../src/env -I../../src/error
-I../../src/fdmgr -I../../src/flex -I../../src/freeList
-I../../src/gpHash -I../../src/iocsh -I../../src/log
-I../../src/macLib -I../../src/misc -I../../src/osi -I../../src/pool
-I../../src/ring -I../../src/taskwd -I../../src/timer -I../../src/yacc
-I../../src/yacc -I../../src/yajl
-I/opt/epics/base/include/compiler/gcc
-I/opt/epics/base/include/os/Linux -I/opt/epics/base/include
-I/opt/epics/base/include/compiler/gcc
-I/opt/epics/base/include/os/Linux -I/opt/epics/base/include
-c ../../src/yajl/yajl_parser.c
/opt/iseg/cross-compiler/sysroots/x86_64-angstromsdk-linux/usr/bin/arm-angstrom-linux-gnueabi/arm-angstrom-linux-gnueabi-g++
-o libCom.so.3.17.5 -shared -fPIC -L/opt/epics/base/lib/linux-arm
-Wl,-rpath,/opt/epics/base/lib/linux-arm -rdynamic asLib.o
asTrapWrite.o bucketLib.o postfix.o calcPerform.o cvtFast.o
resourceLib.o epicsSingletonMutex.o dbmf.o ellLib.o ellSort.o
envSubr.o envData.o errlog.o errSymLib.o errSymTbl.o fdmgr.o
fdManager.o freeListLib.o gpHashLib.o iocsh.o initHooks.o registry.o
libComRegister.o iocLog.o logClient.o macCore.o macEnv.o macUtil.o
alarmString.o aToIPAddr.o adjustment.o cantProceed.o epicsConvert.o
epicsExit.o epicsStdlib.o epicsString.o truncateFile.o
ipAddrToAsciiAsynchronous.o epicsUnitTest.o epicsThread.o epicsMutex.o
epicsEvent.o epicsTime.o epicsMessageQueue.o epicsMath.o
epicsAtomicOSD.o epicsGeneralTime.o osiClockTime.o osdSock.o
osdSockAddrReuse.o osiSock.o systemCallIntMech.o
epicsSocketConvertErrnoToString.o osdAssert.o osdFindSymbol.o
osdInterrupt.o osdPoolStatus.o osdSignal.o osdEnv.o epicsReadline.o
epicsTempFile.o epicsStdio.o osdStdio.o osdThread.o osdThreadExtra.o
osdThreadHooks.o osdMutex.o osdSpin.o osdEvent.o osdTime.o
osdMonotonic.o osdProcess.o osdNetIntf.o osdMessageQueue.o devLibVME.o
devLibVMEOSD.o epicsStackTrace.o osdBackTrace.o osdFindAddr.o
poolJob.o threadPool.o epicsRingPointer.o epicsRingBytes.o taskwd.o
epicsTimer.o timer.o timerQueue.o timerQueueActive.o
timerQueueActiveMgr.o timerQueuePassive.o yajl.o yajl_alloc.o
yajl_buf.o yajl_encode.o yajl_gen.o yajl_lex.o yajl_parser.o
-lpthread -lreadline -lncurses -lm -lrt -ldl -lgcc
The last command breaks because the --sysroot option is missing and the
compiler doesn't find it's libraries.
Did I do something wrong? What is the correct way to define default C
compiler and C++ compiler flags when cross-compiling?
Best regards,
Florian
--
Dr. Florian Feldbauer
Ruhr-Universität Bochum
Experimentalphysik I AG
Universitätsstr. 150
Fach-Nr. 125
D-44801 Bochum
Office: NB 2/134
Phone: (+49)234 / 32-23563
Fax: (+49)234 / 32-14170
https://paluma.ruhr-uni-bochum.de
- Replies:
- Re: Cross compiling Johnson, Andrew N. via Tech-talk
- Navigate by Date:
- Prev:
RE: Force AsynPortDriver to write an output record's value to the device instead of fetching it Mark Rivers via Tech-talk
- Next:
Re: Cross compiling Johnson, Andrew N. via Tech-talk
- Index:
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
<2019>
2020
2021
2022
2023
2024
- Navigate by Thread:
- Prev:
Re: Force AsynPortDriver to write an output record's value to the device instead of fetching it Mark Rivers via Tech-talk
- Next:
Re: Cross compiling Johnson, Andrew N. via Tech-talk
- Index:
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
<2019>
2020
2021
2022
2023
2024