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eclass/toolchain-glibc.eclass: skip pie check for gcc-6 or newer

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For gcc-6 and newer the old logic in the toolchain-glibc eclass:

  if use hardened && gcc-specs-pie ; then
    append-cppflags -DPIC
  else
    filter-flags -fPIE
  fi

is obsolete. Simply disable the check.
This commit is contained in:
Matthias Maier
2017-06-14 10:22:54 -05:00
parent d33b49b8ca
commit acaffff075
1 changed files with 14 additions and 8 deletions
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22
eclass/toolchain-glibc.eclass
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@@ -266,14 +266,20 @@ setup_flags() {
tc-enables-ssp && append-flags $(test-flags -fno-stack-protector)
fi
if use hardened && tc-enables-pie ; then
# Force PIC macro definition for all compilations since they're all
# either -fPIC or -fPIE with the default-PIE compiler.
append-cppflags -DPIC
else
# Don't build -fPIE without the default-PIE compiler and the
# hardened-pie patch
filter-flags -fPIE
if [[ $(gcc-major-version) -lt 6 ]]; then
# Starting with gcc-6 (and fully upstreamed pie patches) we control
# default enabled/disabled pie via use flags. So nothing to do
# here. #618160
if use hardened && tc-enables-pie ; then
# Force PIC macro definition for all compilations since they're all
# either -fPIC or -fPIE with the default-PIE compiler.
append-cppflags -DPIC
else
# Don't build -fPIE without the default-PIE compiler and the
# hardened-pie patch
filter-flags -fPIE
fi
fi
}