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authorJia Tan <jiat0218@gmail.com>2022-07-25 18:20:01 +0300
committerLasse Collin <lasse.collin@tukaani.org>2022-07-25 18:36:49 +0300
commit749b86c2c18ab61a07f19ec8fefc67325da97397 (patch)
tree15efb0c1d8a16bdde61d73f81bb00963f2f5f599
parentxz: Make --keep accept symlinks, hardlinks, and setuid/setgid/sticky. (diff)
downloadxz-749b86c2c18ab61a07f19ec8fefc67325da97397.tar.xz
Build: Don't allow empty LIST in --enable-match-finders=LIST.
It's enforced only when a match finder is needed, that is, when LZMA1 or LZMA2 encoder is enabled.
-rw-r--r--configure.ac4
1 files changed, 4 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 2418e4b0..7945934c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -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], [