Fix powerpc build #5856
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Fix powerpc build #5856
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Unlike other architectures which sanitize the LDFLAGS from the environment in arch/<arch>/Makefile. The powerpc Makefile allows LDFLAGS to be passed through resulting in the following build failure. /usr/bin/ld: unrecognized option '-Wl,-z,relro' LDFLAGS is set in /usr/lib/rpm/redhat/macros by default. Clear the environment variable when building kmods for powerpc. Additionally, now that ppc64le exists it's not longer safe to assume a powerpc system is big endian. Rely on the endianness provied by the compiler. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Requires-spl: refs/pull/607/head
dinatale2
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Unlike other architectures which sanitize the LDFLAGS from the environment in arch/<arch>/Makefile. The powerpc Makefile allows LDFLAGS to be passed through resulting in the following build failure. /usr/bin/ld: unrecognized option '-Wl,-z,relro' LDFLAGS is set in /usr/lib/rpm/redhat/macros by default. Clear the environment variable when building kmods for powerpc. Additionally, now that ppc64le exists it's not longer safe to assume a powerpc system is big endian. Rely on the endianness provided by the compiler. Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes openzfs#5856
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Description
Unlike other architectures which sanitize the LDFLAGS from the
environment in arch//Makefile. The powerpc Makefile
allows LDFLAGS to be passed through resulting in the following
build failure.
/usr/bin/ld: unrecognized option '-Wl,-z,relro'
LDFLAGS is set in /usr/lib/rpm/redhat/macros by default. Clear
the environment variable when building kmods for powerpc.
Additionally, now that ppc64le exists it's not longer safe to
assume a powerpc system is big endian. Rely on the endianness
provied by the compiler.
Motivation and Context
Support for the ppc64le architecture.
How Has This Been Tested?
ZFS Test Suite on a RHEL 7.3 ppc64le system.
Types of changes