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Build: Don't allow empty LIST in --enable-match-finders=LIST.

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It's enforced only when a match finder is needed, that is,
when LZMA1 or LZMA2 encoder is enabled.
This commit is contained in:
Jia Tan 2022-07-25 18:20:01 +03:00 committed by Lasse Collin
parent 63e3cdef80
commit 749b86c2c1
1 changed files with 4 additions and 0 deletions
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4
configure.ac
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@ -210,6 +210,10 @@ AC_ARG_ENABLE([match-finders], AS_HELP_STRING([--enable-match-finders=LIST],
[enable_match_finders=SUPPORTED_MATCH_FINDERS])
enable_match_finders=`echo "$enable_match_finders" | sed 's/,/ /g'`
if test "x$enable_encoder_lz" = xyes ; then
if test -z "$enable_match_finders"; then
AC_MSG_ERROR([At least one match finder is required for an LZ-based encoder.])
fi
for arg in $enable_match_finders
do
case $arg in m4_foreach([NAME], [SUPPORTED_MATCH_FINDERS], [