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AC_DEFUN([DOVECOT_WANT_LZ4], [
have_lz4=no
AS_IF([test "$want_lz4" != "no"], [
PKG_CHECK_MODULES([LZ4], [liblz4], [have_lz4=yes], [
have_lz4=no
AS_IF([test "$want_lz4" = "yes"], [
AC_MSG_ERROR([cannot build with LZ4 support: lz4 library (liblz4) not found])
])
])
])
AS_IF([test "$have_lz4" != "no"], [
have_compress_lib=yes
COMPRESS_LIBS="$COMPRESS_LIBS $LZ4_LIBS"
AC_DEFINE(HAVE_LZ4,, [Define if you have lz4 library])
AC_CHECK_LIB(lz4, LZ4_compress_default, [
AC_DEFINE(HAVE_LZ4_COMPRESS_DEFAULT,, [
Define if you have LZ4_compress_default
])
],, $LZ4_LIBS)
])
])
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