Lines Matching refs:M4
587 ac_unique_file="lib/autoconf/autoconf.m4"
604 M4
686 M4
1309 M4 Location of GNU M4 1.4.6 or later. Defaults to the first program
1310 of `m4', `gm4', or `gnum4' on PATH that meets Autoconf needs.
2502 ## M4. ##
2505 # We use an absolute name for GNU m4 so even if users have another m4 first in
2506 # their path, the installer can configure with a path that has GNU m4
2510 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU M4 that supports accurate traces" >&5
2511 $as_echo_n "checking for GNU M4 that supports accurate traces... " >&6; }
2518 if test -z "$M4"; then
2526 for ac_prog in m4 gm4 gnum4; do
2530 # Root out GNU M4 1.4.5, as well as non-GNU m4 that ignore -t, -F.
2531 # Root out GNU M4 1.4.15 with buggy false negative replacement strstr.
2532 # Root out Glibc 2.9 - 2.12 and GNU M4 1.4.11 - 1.4.15 with buggy
2549 as_fn_error $? "no acceptable m4 could be found in \$PATH.
2550 GNU M4 1.4.6 or later is required; 1.4.16 or newer is recommended.
2551 GNU M4 1.4.15 uses a buggy replacement strstr on some systems.
2552 Glibc 2.9 - 2.12 and GNU M4 1.4.11 - 1.4.15 have another strstr bug." "$LINENO" 5
2555 ac_cv_path_M4=$M4
2561 M4=$ac_cv_path_M4
2567 case `$M4 --help < /dev/null 2>&1` in
2583 { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: the version of M4 that was found does not support -g" >&5
2584 $as_echo "$as_me: WARNING: the version of M4 that was found does not support -g" >&2;}
2589 { $as_echo "$as_me:${as_lineno-$LINENO}: checking how m4 supports trace files" >&5
2590 $as_echo_n "checking how m4 supports trace files... " >&6; }
2594 case `$M4 --help < /dev/null 2>&1` in
Indexes created Wed Apr 15 00:22:22 UTC 2026