Lines Matching refs:M4
12 # Check for GNU M4, at least 1.4.6 (all earlier versions had bugs in
20 [AC_ARG_VAR([M4], [Location of GNU M4 1.4.6 or later. Defaults to the first
22 AC_CACHE_CHECK([for GNU M4 that supports accurate traces], [ac_cv_path_M4],
26 AC_PATH_PROGS_FEATURE_CHECK([M4], [m4 gm4 gnum4],
28 # Root out GNU M4 1.4.5, as well as non-GNU m4 that ignore -t, -F.
29 # Root out GNU M4 1.4.15 with buggy false negative replacement strstr.
30 # Root out Glibc 2.9 - 2.12 and GNU M4 1.4.11 - 1.4.15 with buggy
44 GNU M4 1.4.6 or later is required; 1.4.16 or newer is recommended.
45 GNU M4 1.4.15 uses a buggy replacement strstr on some systems.
46 Glibc 2.9 - 2.12 and GNU M4 1.4.11 - 1.4.15 have another strstr bug.])])])
47 M4=$ac_cv_path_M4
50 [case `$M4 --help < /dev/null 2>&1` in
63 AC_MSG_WARN([the version of M4 that was found does not support -g])
68 [case `$M4 --help < /dev/null 2>&1` in