X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/e79137accc7ea0352cd4677ff22818f9c68d4eab..234a3be30308bdf67bda1fe67fce08f3cc55e749:/m4/atconfig.m4 diff --git a/m4/atconfig.m4 b/m4/atconfig.m4 index 4dd5c580..f4a4de49 100644 --- a/m4/atconfig.m4 +++ b/m4/atconfig.m4 @@ -2,12 +2,21 @@ ## Prepare for testing. ## ## ----------------------## -# serial 1 +# serial 2 # Single argument says where are built sources to test, relative to the # built test directory. Maybe omitted if the same (flat distribution). -AC_DEFUN(AT_CONFIG, -[AT_TESTPATH=ifelse($1, , ., $1) -AC_SUBST(AT_TESTPATH) +AC_DEFUN([AT_CONFIG], +[AT_TESTPATH=ifelse([$1], [], [.], [$1]) +AC_SUBST([AT_TESTPATH]) +# Try to be compatible with both Autoconf 2.13 and 2.50. +if test -z "$ECHO_C$ECHO_N$ECHO_T"; then + ECHO_C="$ac_c" + ECHO_N="$ac_n" + ECHO_T="$ac_t" + AC_SUBST([ECHO_C]) + AC_SUBST([ECHO_N]) + AC_SUBST([ECHO_T]) +fi ])