Re: Open source supplicant does not build under RHEL 6 x86_64

[Ward, David - 0663 - MITLL]

Although adding "-fPIC" to CFLAGS does fix the build, I don't think should be necessary -- a better solution would be to update the patch to add in "-fPIC" where needed in the Makefile(s). I can look into this. (Before I tried with CFLAGS set to the rpmbuild-default ones, or with no CFLAGS at all.)

Also I was curious if the changes in this patch have been proposed upstream?

David


On 09/09/10 11:46, Dan Williams wrote:

On Thu, 2010-09-09 at 09:58 -0400, Ward, David - 0663 - MITLL wrote:
> After patching the source code of wpa_supplicant 0.6.10, building
> under RHEL 6 x86_64 fails at:

So add -fPIC to your CFLAGS before building then perhaps...  What CFLAGS
are you using to build it?  I've been able to easily get it to build on
F13 x86_64 (which is quite similar to RHEL6).  I was using the normal
F13 build flags from RPM macros that packages would use if rebuilt using
rpmbuild.

Dan

> cc -shared ../utils/common.o ../utils/os_unix.o ../utils/wpa_debug.o
> .../utils/base64.o ../utils/wpabuf.o ../crypto/md5.o ../crypto/rc4.o
> .../crypto/md4.o ../crypto/sha1.o ../crypto/des.o ../crypto/aes_wrap.o
> .../crypto/aes.o ../crypto/ms_funcs.o ../crypto/sha256.o
> .../eap_common/eap_peap_common.o ../eap_common/eap_psk_common.o
> .../eap_common/eap_pax_common.o ../eap_common/eap_sake_common.o
> .../eap_common/eap_gpsk_common.o ../eap_common/chap.o

> .../eap_peer/eap_peap.o ../eap_peer/eap_ttls.o ../eap_peer/eap_md5.o
> .../eap_peer/eap_mschapv2.o ../eap_peer/mschapv2.o ../eap_peer/eap_otp.o
> .../eap_peer/eap_gtc.o ../eap_peer/eap_leap.o ../eap_peer/eap_psk.o
> .../eap_peer/eap_pax.o ../eap_peer/eap_sake.o ../eap_peer/eap_gpsk.o
> .../eap_peer/eap.o ../eap_common/eap_common.o ../eap_peer/eap_methods.o
> .../eap_peer/eap_tls_common.o -Wl,-soname -Wl,libeap.so.0 -o
> libeap.so.0.0.0 -lssl -lcrypto
> /usr/bin/ld: ../utils/common.o: relocation R_X86_64_32 against `.bss'
> can not be used when making a shared object; recompile with -fPIC
> .../utils/common.o: could not read symbols: Bad value
> collect2: ld returned 1 exit status
>
> If I do not apply the patch then building wpa_supplicant 0.6.10 is
> successful.
>
> David
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> .../crypto/tls_openssl.o ../crypto/crypto_openssl.o ../eap_peer/eap_tls.o

--
David Ward, Associate Staff
Wideband Tactical Networking
MIT Lincoln Laboratory
(781) 981-4266 (office)
(781) 981-4583 (fax)

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