Re: compile root

From: Alfio <alfio.rizzo_at_vub.ac.be>
Date: Mon, 09 Jul 2007 16:05:42 +0200

Fons Rademakers ha scritto:
> Personally I've some scripts that create links in my ~/bin to the gcc
> I want to use. However, that has consequences for everything I compile
> at the moment. You can also create $ROOTSYS/MyConfig.mk in which you
> change CXX, CC and LD. MyConfig.mk is included by the main Makefile.
>
> -- Fons
>
>
>
>
> Alfio wrote:
>> Dear ROOTers
>> maybe this is and old topic, but I didn't find any F.A.Q. about this...
>> My question is about how compile ROOT with different gcc versions.
>> For istance I have in my laptop gcc 3.4 and 4.1.2,
>> is it possible to type ./configure CXX=/usr/bin/gcc3.4 or something
>> like that?
>> Thanks
>>
>> A
>>
>

Creating a MyConfig.mk it works, but at the end it doesn't compile.. :

................................

`.L3441' referenced in section `.rodata' of cintex/src/CINTUtils.o: defined in discarded section
`.gnu.linkonce.t._ZN4ROOT6Cintex9ConverterIeE6toCintEP8G__valuePv' of cintex/src/CINTUtils.o
collect2: ld returned 1 exit status
make: *** [lib/libCintex.so] Error 1

This is the output of "make showbuild":

ROOTSYS            = /home/local/root3.4.bin
PLATFORM           = linux
OPT                = -O

CXX                = /usr/bin/g++-3.4
CC                 = /usr/bin/gcc-3.4
F77                = g77
CPP                = /usr/bin/gcc-3.4 -E
LD                 = /usr/bin/g++-3.4
F77LD              = /usr/bin/g++-3.4
GCC_MAJOR          = 3
GCC_MINOR          = 4

......................................................................

Some hint?

Thanks

A

-- 
-------------------------------------------------------
			Alfio RIZZO
Vrije Universiteit Brussel
Faculteit Wetenschappen, Dienst ELEM
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Tel. +32(0)26293220		Fax +32(0)26293816
alfio.rizzo_at_vub.ac.be		w3.iihe.ac.be/~rizzo
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Received on Mon Jul 09 2007 - 16:03:56 CEST