ld: skipping incompatible

[Ben Tay]

Hi,

i've just compiled PETSc on a 64bit system. No error was shown. However,
when using make ex1f (or other similar compilation), I got this error msg:

ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libnsl.so when searching for
-lnsl
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libnsl.a when searching for
-lnsl
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../librt.so when searching for
-lrt
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../librt.a when searching for
-lrt
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libdl.so when searching for
-ldl
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libdl.a when searching for
-ldl
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libm.so when searching for
-lm
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libm.a when searching for
-lm
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libm.so when searching for
-lm
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libm.a when searching for
-lm
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libdl.so when searching for
-ldl
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libdl.a when searching for
-ldl
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libdl.so when searching for
-ldl
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libdl.a when searching for
-ldl
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libm.so when searching for
-lm
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libm.a when searching for
-lm
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libc.so when searching for
-lc
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libc.a when searching for
-lc
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libdl.so when searching for
-ldl
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libdl.a when searching for
-ldl
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libc.so when searching for
-lc
ld: skipping incompatible
/usr/lib/gcc/x86_64-redhat-linux/3.4.6/../../../libc.a when searching for
-lc

The test file worked fine, same as some of my test codes. But i'm not sure
if there 'll be problems in the future.

Is this a serious problem? How can I fix it. Thanks.
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