On Fri, 10 Sep 2010 14:05:13 -0700
Quanah Gibson-Mount <quanah_at_zimbra.com> wrote:

> Trying to build curl on Fedora 13 consistently fails with:
>
> /bin/sh ../libtool --tag=CC --mode=link gcc -O2 -g0
> -Wno-system-headers -L/opt/zimbra/openssl-1.0.0a/lib
> -L/opt/zimbra/heimdal-1.3.3/lib -L/opt/zimbra/curl-7.21.1/lib
> -R/opt/zimbra/openssl-1.0.0a/lib -R/opt/zimbra/heimdal-1.3.3/lib
> -R/opt/zimbra/curl-7.21.1/lib -L/opt/zimbra/heimdal-1.3.3/lib
> -L/opt/zimbra/openssl-1.0.0a/lib -L/usr/lib64/lib -L/usr/lib64/lib -o
> curl main.o hugehelp.o urlglob.o writeout.o writeenv.o getpass.o
> homedir.o curlutil.o os-specific.o strtoofft.o strdup.o rawstr.o
> nonblock.o ../lib/libcurl.la -lz libtool: link: gcc -O2 -g0
> -Wno-system-headers -o .libs/curl main.o hugehelp.o urlglob.o
> writeout.o writeenv.o getpass.o homedir.o curlutil.o os-specific.o
> strtoofft.o strdup.o rawstr.o nonblock.o
> -L/opt/zimbra/openssl-1.0.0a/lib -L/opt/zimbra/heimdal-1.3.3/lib
> -L/opt/zimbra/curl-7.21.1/lib
> -L/usr/lib64/lib ../lib/.libs/libcurl.so -lz -pthread -Wl,-rpath
> -Wl,/opt/zimbra/curl-7.21.1/lib -Wl,-rpath
> -Wl,/opt/zimbra/openssl-1.0.0a/lib -Wl,-rpath
> -Wl,/opt/zimbra/heimdal-1.3.3/lib /usr/bin/ld: curlutil.o: undefined
> reference to symbol 'clock_gettime@@GLIBC_2.2.5' /usr/bin/ld: note:
> 'clock_gettime@@GLIBC_2.2.5' is defined in DSO /lib64/librt.so.1 so
> try adding it to the linker command line /lib64/librt.so.1: could not
> read symbols: Invalid operation collect2: ld returned 1 exit status
> make[3]: *** [curl] Error 1
> make[3]: Leaving directory
> `/home/build/p4/main/ThirdParty/curl/curl-7.21.1/src'
> make[2]: *** [all] Error 2
> make[2]: Leaving directory
> `/home/build/p4/main/ThirdParty/curl/curl-7.21.1/src'
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory
> `/home/build/p4/main/ThirdParty/curl/curl-7.21.1' make: *** [build]
> Error 2
>
>
> If I add the librt library to the command, it works:
>
> [root_at_zre-f13-64 src]# gcc -O2 -g0 -Wno-system-headers -o .libs/curl
> main.o hugehelp.o urlglob.o writeout.o writeenv.o getpass.o homedir.o
> curlutil.o os-specific.o strtoofft.o strdup.o rawstr.o nonblock.o
> -L/opt/zimbra/openssl-1.0.0a/lib -L/opt/zimbra/heimdal-1.3.3/lib
> -L/opt/zimbra/curl-7.21.1/lib
> -L/usr/lib64/lib ../lib/.libs/libcurl.so -lz -lrt -pthread -Wl,-rpath
> -Wl,/opt/zimbra/curl-7.21.1/lib -Wl,-rpath
> -Wl,/opt/zimbra/openssl-1.0.0a/lib -Wl,-rpath
> -Wl,/opt/zimbra/heimdal-1.3.3/lib
>
>
> I don't have this issue on the other 20 or so OSes I build curl on.
> Any idea why curl is failing to pick up librt?

Default linker behaviour was changed from Fedora 13 onwards:

http://fedoraproject.org/wiki/Features/ChangeInImplicitDSOLinking

Paul.
-------------------------------------------------------------------
List admin: http://cool.haxx.se/list/listinfo/curl-library
Etiquette: http://curl.haxx.se/mail/etiquette.html
Received on 2010-09-10