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yann@1
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1 |
Backport of linux-2.6.8-arm-nonofpu.patch.
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yann@1
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2 |
Fixes error when building linux-2.4.26 kernel with gcc-3.4 on arm.
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yann@1
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3 |
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yann@1
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4 |
/opt/crosstool/arm-unknown-linux-gnu/gcc-3.4.2-glibc-2.2.5/bin/arm-unknown-linux-gnu-gcc -D__KERNEL__ -I/home/dank/wk/crosstool-0.28-rc37/build/arm-unknown-linux-gnu/gcc-3.4.2-glibc-2.2.5/linux-2.4.26/include -Wall -Wstrict-prototypes -Wno-trigraphs -Os -fno-strict-aliasing -fno-common -Uarm -fno-common -pipe -mapcs-32 -D__LINUX_ARM_ARCH__=4 -march=armv4 -mtune=strongarm110 -mshort-load-bytes -msoft-float -Uarm -S -o constants.h.tmp.1 getconstants.c
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yann@1
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5 |
cc1: error: invalid option `short-load-bytes'
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yann@1
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6 |
make[2]: *** [constants.h] Error 1
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yann@1
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7 |
make[2]: Leaving directory `/home/dank/wk/crosstool-0.28-rc37/build/arm-unknown-linux-gnu/gcc-3.4.2-glibc-2.2.5/linux-2.4.26/arch/arm/tools'
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yann@1
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8 |
make[1]: *** [dep] Error 2
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yann@1
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9 |
make[1]: Leaving directory `/home/dank/wk/crosstool-0.28-rc37/build/arm-unknown-linux-gnu/gcc-3.4.2-glibc-2.2.5/linux-2.4.26/arch/arm/tools'
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yann@1
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10 |
make: *** [archdep] Error 2
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yann@1
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11 |
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yann@1
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12 |
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yann@1
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13 |
--- linux-2.4.26/Makefile.old Thu Sep 30 23:21:14 2004
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yann@1
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14 |
+++ linux-2.4.26/Makefile Thu Sep 30 23:24:12 2004
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yann@1
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15 |
@@ -21,6 +21,10 @@
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yann@1
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16 |
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yann@1
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17 |
CROSS_COMPILE =
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yann@1
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18 |
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yann@1
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19 |
+# From linux-2.6
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yann@1
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20 |
+check_gcc = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
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yann@1
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21 |
+export check_gcc
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yann@1
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22 |
+
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yann@1
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23 |
#
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yann@1
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24 |
# Include the make variables (CC, etc...)
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yann@1
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25 |
#
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yann@1
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26 |
--- linux-2.4.26/arch/arm/Makefile.old Thu Sep 30 23:16:49 2004
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yann@1
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27 |
+++ linux-2.4.26/arch/arm/Makefile Thu Sep 30 23:25:27 2004
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yann@1
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28 |
@@ -50,9 +50,9 @@
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yann@1
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29 |
tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
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yann@1
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30 |
tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
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yann@1
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31 |
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yann@1
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32 |
-CFLAGS_BOOT :=$(apcs-y) $(arch-y) $(tune-y) -mshort-load-bytes -msoft-float -Uarm
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yann@1
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33 |
-CFLAGS +=$(apcs-y) $(arch-y) $(tune-y) -mshort-load-bytes -msoft-float -Uarm
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yann@1
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34 |
-AFLAGS +=$(apcs-y) $(arch-y) -mno-fpu -msoft-float
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yann@1
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35 |
+CFLAGS_BOOT :=$(apcs-y) $(arch-y) $(tune-y) $(call check_gcc,-malignment-traps,-mshort-load-bytes) -msoft-float -Uarm
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yann@1
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36 |
+CFLAGS +=$(apcs-y) $(arch-y) $(tune-y) $(call check_gcc,-malignment-traps,-mshort-load-bytes) -msoft-float -Uarm
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yann@1
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37 |
+AFLAGS +=$(apcs-y) $(arch-y) -msoft-float
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yann@1
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38 |
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yann@1
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39 |
ifeq ($(CONFIG_CPU_26),y)
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yann@1
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40 |
PROCESSOR := armo
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