Re: Error building 32 bit on 64 bit linux system

Doug Knight írta:
> All,
> I am trying to build 8.2.5, forcing to a 32 bit build on a 64 bit
> system. I have set CFLAGS=-m32, and I run the configure and make/make
> install as follows:
>
> setarch i386 ./configure
> setarch i386 make
> setarch i386 make install
>
> However, I get the following error (using timezone for example):
>
> $ make
> gcc -m32 -Wall -Wmissing-prototypes -Wpointer-arith -Winline
> -Wdeclaration-after-statement -Wendif-labels -fno-strict-aliasing
> -I../../src/include -D_GNU_SOURCE   -c -o localtime.o localtime.c
> gcc -m32 -Wall -Wmissing-prototypes -Wpointer-arith -Winline
> -Wdeclaration-after-statement -Wendif-labels -fno-strict-aliasing
> -I../../src/include -D_GNU_SOURCE   -c -o strftime.o strftime.c
> gcc -m32 -Wall -Wmissing-prototypes -Wpointer-arith -Winline
> -Wdeclaration-after-statement -Wendif-labels -fno-strict-aliasing
> -I../../src/include -D_GNU_SOURCE   -c -o pgtz.o pgtz.c
> /usr/bin/ld -r -o SUBSYS.o localtime.o strftime.o pgtz.o
> /usr/bin/ld: Relocatable linking with relocations from format
> elf32-i386 (localtime.o) to format elf64-x86-64 (SUBSYS.o) is not
> supported
> make: *** [SUBSYS.o] Error 1
>
> Funny thing is, there is no SUBSYS.o in my current directory. If I
> build from the top, I see this same error in each dirctory/makefile
> where a SUBSYS.o is linked with. If I search my build tree after a
> top-down build, I do not see any SUBSYS.O files at all. Where is this
> SUBSYS.o getting created, and why isn't it being created as a 32 bit
> file instead of 64 bit?

This problem is solved by using

export CC="gcc -m32"
export LD="ld -melf_i386"

before doing

setarch i386 (./configure ... ; make)

Best regards,
Zoltán Böszörményi

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Zoltán Böszörményi
Cybertec Schönig & Schönig GmbH
http://www.postgresql.at/