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m68k: Drop -fno-strength-reduce from KBUILD_CFLAGS

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This workaround became redundant either when the driver in question was
removed (in Linux v2.6.23) or when the compiler flag became a no-op
(in GCC v4.2). Linux has required GCC v4.6 or later since v4.19.

Link: https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=efa1cdf01850b28c2f6f7035ebd4420259494615
References: commit 565bae6a4a ("[SCSI] 53c7xx: kill driver")
References: commit cafa0010cd ("Raise the minimum required gcc version to 4.6")
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Link: https://lore.kernel.org/r/baa95d7235921dff23bed6320518f3fa90396603.1612681353.git.fthain@telegraphics.com.au
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Finn Thain 2021-02-07 18:02:33 +11:00 committed by Geert Uytterhoeven
parent 6efb943b86
commit bc7c9993a0
1 changed files with 1 additions and 2 deletions
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3
arch/m68k/Makefile
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@ -66,8 +66,7 @@ KBUILD_CFLAGS += $(cpuflags-y)
KBUILD_CFLAGS += -pipe -ffreestanding
ifdef CONFIG_MMU
# without -fno-strength-reduce the 53c7xx.c driver fails ;-(
KBUILD_CFLAGS += -fno-strength-reduce -ffixed-a2
KBUILD_CFLAGS += -ffixed-a2
else
# we can use a m68k-linux-gcc toolchain with these in place
KBUILD_CPPFLAGS += -DUTS_SYSNAME=\"uClinux\"