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51 lines
1.1 KiB
Plaintext
51 lines
1.1 KiB
Plaintext
case "$machine" in
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arm*)
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base_machine=arm
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case $config_os in
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linux-gnueabi*)
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# Lets ask the compiler which ARM family we've got
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# Unfortunately it doesn't define any flags for implementations
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# that you might pass to -mcpu or -mtune
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# Note if you add patterns here you must ensure that
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# an appropriate directory exists in sysdeps/arm/eabi
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archcppflag=`echo "" |
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$CC $CFLAGS $CPPFLAGS -E -dM - |
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grep __ARM_ARCH |
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sed -e 's/^#define //' -e 's/ .*//'`
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case x$archcppflag in
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x__ARM_ARCH_[89]*__)
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machine=armv7
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echo "Found compiler is configured for something newer than v7 - using v7"
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;;
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x__ARM_ARCH_7A__)
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machine=armv7
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echo "Found compiler is configured for $machine"
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;;
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x__ARM_ARCH_6T2__)
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machine=armv6t2
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echo "Found compiler is configured for $machine"
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;;
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*)
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machine=arm
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echo 2>&1 "arm/preconfigure: Did not find ARM architecture type; using default"
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;;
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esac
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machine=arm/eabi/$machine
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if [ "${CFLAGS+set}" != "set" ]; then
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CFLAGS="-g -O2"
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fi
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CFLAGS="$CFLAGS -fno-unwind-tables"
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;;
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*)
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echo "Old ABI no longer supported" 2>&1
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exit 1
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;;
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esac
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;;
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esac
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