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9c: Fix case patterns for DragonFly and other BSDs

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POSIX does not support grouping in case item patterns.
Installing with a strict POSIX shell fails with:

/usr/local/plan9/bin/9c: line 82: syntax error near unexpected token `('
/usr/local/plan9/bin/9c: line 82: `*(DragonFly|BSD)*gcc*)	usegcc ;;'

This change expands the patterns to work around the limitation.

See https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_10
(and search for case_clause)
This commit is contained in:
Martin Kühl 2020-01-07 23:27:39 +01:00 committed by Dan Cross
parent e6ed10f25e
commit 194178b578
1 changed files with 2 additions and 2 deletions
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4
bin/9c
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@ -79,8 +79,8 @@ useclang()
tag="${SYSNAME:-`uname`}-${OBJTYPE:-`uname -m`}-${CC9:-cc}"
case "$tag" in
*(DragonFly|BSD)*gcc*) usegcc ;;
*(DragonFly|BSD)*clang*) useclang ;;
*DragonFly*gcc*|*BSD*gcc*) usegcc ;;
*DragonFly*clang|*BSD*clang*) useclang ;;
*Darwin-x86_64*)
useclang
cflags="$ngflags -g3 -m64"