EPICS Controls Argonne National Laboratory

Experimental Physics and
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<== Date ==> <== Thread ==>

Subject: RE: Building EPICS on Mac
From: Mark Rivers <[email protected]>
To: "[email protected]" <[email protected]>
Date: Sat, 11 Aug 2012 16:49:14 +0000
I found that if I manual enter the link command below, but omit the -lgcc flag, it succeeds.  I can then proceed with the build of base, until it tries to build libca.3.14.12.dylib (ca library), when I get the same error.

Thanks,
Mark

________________________________
From: Mark Rivers
Sent: Saturday, August 11, 2012 9:27 AM
To: [email protected]
Subject: RE: Building EPICS on Mac

I just realized that there is a base/documentation/README.darwin.html.

It suggests setting ARCH_CLASS to x86_64 in CONFIG_SITE.Common.darwin-x86, and I did that.  I also uncommented the lines to use clang, rather than gcc:

********************
#ARCH_CLASS = i386
ARCH_CLASS = x86_64
#ARCH_CLASS = i386 x86_64

#
# Uncomment the followings lines to build with CLANG instead of GCC.
#
CC             = clang
CCC            = clang++
********************

The link command now uses clang++, rather than /usr/bin/c++, but it still fails with the same error about not being able to find lgcc:

clang++ -o libCom.3.14.12.dylib -dynamiclib -flat_namespace -undefined suppress -install_name /corvette/usr/local/epics/base-3.14.12.2/lib/darwin-x86/libCom.3.14.12.dylib -compatibility_version 3.14 -current_version 3.14.12        -arch x86_64                  bucketLib.o epicsRingPointer.o epicsRingBytes.o postfix.o calcPerform.o cvtFast.o resourceLib.o epicsOnce.o epicsSingletonMutex.o dbmf.o ellLib.o envSubr.o envData.o errlog.o errSymLib.o errSymTbl.o fdmgr.o fdManager.o freeListLib.o gpHashLib.o iocsh.o registry.o libComRegister.o iocLog.o logClient.o macCore.o macEnv.o macUtil.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 epicsGeneralTime.o osiClockTime.o osdSock.o osdSockAddrReuse.o osiSock.o systemCallIntMech.o epicsSocketConvertErrnoToString.o osdAssert.o osdFindSymbol.o osdIn!
 terrupt.o osdPoolStatus.o osdSignal.o osdEnv.o epicsReadline.o epicsTempFile.o epicsStdio.o osdStdio.o osdThread.o osdMutex.o osdEvent.o osdTime.o osdProcess.o osdNetIntf.o osdMessageQueue.o devLibVME.o devLibVMEOSD.o taskwd.o epicsTimer.o timer.o timerQueue.o timerQueueActive.o timerQueueActiveMgr.o timerQueuePassive.o tsDefs.o         -lreadline -lm -lgcc
ld: library not found for -lgcc
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[3]: *** [libCom.3.14.12.dylib] Error 1
make[2]: *** [install.darwin-x86] Error 2
make[1]: *** [libCom.install] Error 2
make: *** [src.install] Error 2

Thanks,
Mark


________________________________
From: Mark Rivers
Sent: Saturday, August 11, 2012 9:01 AM
To: [email protected]
Subject: Building EPICS on Mac

Folks,

I'm building EPICS on Mac for the first time.  I installed the XCode package, and the Command Line Tools within XCode.  When I try to build EPICs base it compiles libCom fine, but then fails when linking it:

make -C O.darwin-x86 -f ../Makefile TOP=../../.. T_A=darwin-x86 install
/usr/bin/c++ -o libCom.3.14.12.dylib -dynamiclib -flat_namespace -undefined suppress -install_name /corvette/usr/local/epics/base-3.14.12.2/lib/darwin-x86/libCom.3.14.12.dylib -compatibility_version 3.14 -current_version 3.14.12        -arch i386                  bucketLib.o epicsRingPointer.o epicsRingBytes.o postfix.o calcPerform.o cvtFast.o resourceLib.o epicsOnce.o epicsSingletonMutex.o dbmf.o ellLib.o envSubr.o envData.o errlog.o errSymLib.o errSymTbl.o fdmgr.o fdManager.o freeListLib.o gpHashLib.o iocsh.o registry.o libComRegister.o iocLog.o logClient.o macCore.o macEnv.o macUtil.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 epicsGeneralTime.o osiClockTime.o osdSock.o osdSockAddrReuse.o osiSock.o systemCallIntMech.o epicsSocketConvertErrnoToString.o osdAssert.o osdFindSymbol.o os!
 dInterrupt.o osdPoolStatus.o osdSignal.o osdEnv.o epicsReadline.o epicsTempFile.o epicsStdio.o osdStdio.o osdThread.o osdMutex.o osdEvent.o osdTime.o osdProcess.o osdNetIntf.o osdMessageQueue.o devLibVME.o devLibVMEOSD.o taskwd.o epicsTimer.o timer.o timerQueue.o timerQueueActive.o timerQueueActiveMgr.o timerQueuePassive.o tsDefs.o         -lreadline -lm -lgcc
ld: library not found for -lgcc
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[3]: *** [libCom.3.14.12.dylib] Error 1
make[2]: *** [install.darwin-x86] Error 2
make[1]: *** [libCom.install] Error 2
make: *** [src.install] Error 2

So it can't find the gcc library.

I'm probably doing something stupid.  Am I supposed to use the XCode tools for development, or some other gcc based toolkit?  Is this documented somewhere?

Also, I suspect that once that is solved I will get an error because the Mac does not come with libreadline installed?

Thanks,
Mark




References:
Building EPICS on Mac Mark Rivers
RE: Building EPICS on Mac Mark Rivers

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