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improve configure's target arch matching

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most notably, it was failing to match sh4-*, etc., but in general the
explicit matching of hyphens for some archs was problematic because it
failed to accept simply the musl-style arch name (without a gcc-style
tuple) as an input. the original motivation of matching hyphens was to
prevent incorrectly identifying a 64-bit arch as the corresponding
32-bit arch (e.g. mips* matching mips64) but this is easily fixed by
simply checking (and for now, rejecting as unsupported) the relevant
64-bit archs.
This commit is contained in:
Rich Felker
2014-02-28 13:12:40 -05:00
parent 3d7f5c363e
commit 0b8f0c57c0
1 changed files with 6 additions and 4 deletions
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10
configure vendored
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@ -222,14 +222,16 @@ printf "%s\n" "$target"
# Convert to just ARCH # Convert to just ARCH
# #
case "$target" in case "$target" in
# Catch these early to simplify matching for 32-bit archs
mips64*|powerpc64*) fail "$0: unsupported target \"$target\"" ;;
arm*) ARCH=arm ;; arm*) ARCH=arm ;;
i?86*) ARCH=i386 ;; i?86*) ARCH=i386 ;;
x86_64-x32*|x32*) ARCH=x32 ;; x86_64-x32*|x32*) ARCH=x32 ;;
x86_64*) ARCH=x86_64 ;; x86_64*) ARCH=x86_64 ;;
mips-*|mipsel-*) ARCH=mips ;; mips*) ARCH=mips ;;
microblaze-*) ARCH=microblaze ;; microblaze*) ARCH=microblaze ;;
powerpc-*) ARCH=powerpc ;; powerpc*) ARCH=powerpc ;;
sh-*) ARCH=sh ;; sh[1-9bel-]*|sh|superh*) ARCH=sh ;;
unknown) fail "$0: unable to detect target arch; try $0 --target=..." ;; unknown) fail "$0: unable to detect target arch; try $0 --target=..." ;;
*) fail "$0: unknown or unsupported target \"$target\"" ;; *) fail "$0: unknown or unsupported target \"$target\"" ;;
esac esac