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configure: Revamp MIPS architecture version+revision detection

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This allows us to easily distinguish between mips32 and mips32r2

(Works at least as far back as gcc 4.9)

Change-Id: I2bcba194fd9cbeedf76cea739252271908bf73d0
This commit is contained in:
Solomon Peachy 2025-12-06 14:58:40 -05:00
parent 5e5b434ce8
commit 6c6bdbf60e
3 changed files with 7 additions and 3 deletions
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6
tools/configure vendored
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@ -4784,7 +4784,11 @@ if [ -z "$arch" ]; then
esac
elif [ -n "$(echo $cpp_defines | grep -w __mips__)" ]; then
arch="mips"
arch_version="$(echo $cpp_defines | tr ' ' '\012' | grep _MIPS_ARCH_MIPS | sed -e 's,.*\([0-9][0-9]\).*,\1,' | grep -v _MIPS_ARCH_MIPS)"
arch_version="$(echo "$cpp_defines" | grep 'define __mips ' | sed -e 's,.* \([0-9]\+\).*,\1,')"
arch_revision="$(echo "$cpp_defines" | grep 'define __mips_isa_rev ' | sed -e 's,.* \([0-9]\+\).*,\1,')"
if [ -n "$arch_revision" ] ; then
arch_version="${arch_version}r${arch_revision}"
fi
elif [ -n "$(echo $cpp_defines | grep -w __i386__)" ]; then
arch="x86"
elif [ -n "$(echo $cpp_defines | grep -w __x86_64__)" ]; then