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powerpc: remove old GCC version checks 

GCC 4.6 is the minimum supported now.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
hifive-unleashed-5.1
Nicholas Piggin 2018-09-14 15:08:52 +10:00 committed by Michael Ellerman
parent 89ca4e126a
commit f2910f0e68
1 changed files with 2 additions and 29 deletions
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31
arch/powerpc/Makefile
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@ -404,36 +404,9 @@ archprepare: checkbin
# to stdout and these checks are run even on install targets.
TOUT := .tmp_gas_check
# Check gcc and binutils versions:
# - gcc-3.4 and binutils-2.14 are a fatal combination
# - Require gcc 4.0 or above on 64-bit
# - gcc-4.2.0 has issues compiling modules on 64-bit
# Check toolchain versions:
# - gcc-4.6 is the minimum kernel-wide version so nothing required.
checkbin:
@if test "$(cc-name)" != "clang" \
&& test "$(cc-version)" = "0304" ; then \
if ! /bin/echo mftb 5 | $(AS) -v -mppc -many -o $(TOUT) >/dev/null 2>&1 ; then \
echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build '; \
echo 'correctly with gcc-3.4 and your version of binutils.'; \
echo '*** Please upgrade your binutils or downgrade your gcc'; \
false; \
fi ; \
fi
@if test "$(cc-name)" != "clang" \
&& test "$(cc-version)" -lt "0400" \
&& test "x${CONFIG_PPC64}" = "xy" ; then \
echo -n "Sorry, GCC v4.0 or above is required to build " ; \
echo "the 64-bit powerpc kernel." ; \
false ; \
fi
@if test "$(cc-name)" != "clang" \
&& test "$(cc-fullversion)" = "040200" \
&& test "x${CONFIG_MODULES}${CONFIG_PPC64}" = "xyy" ; then \
echo -n '*** GCC-4.2.0 cannot compile the 64-bit powerpc ' ; \
echo 'kernel with modules enabled.' ; \
echo -n '*** Please use a different GCC version or ' ; \
echo 'disable kernel modules' ; \
false ; \
fi
@if test "x${CONFIG_CPU_LITTLE_ENDIAN}" = "xy" \
&& $(LD) --version | head -1 | grep ' 2\.24$$' >/dev/null ; then \
echo -n '*** binutils 2.24 miscompiles weak symbols ' ; \