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Subject[PATCH 4.14 068/115] powerpc: remove old GCC version checks
Date
[ Upstream commit f2910f0e6835339e6ce82cef22fa15718b7e3bfa ]

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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
arch/powerpc/Makefile | 31 ++-----------------------------
1 file changed, 2 insertions(+), 29 deletions(-)

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 7452e50f4d1f8..0f04c878113ef 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -396,36 +396,9 @@ 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 ' ; \
--
2.20.1


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