diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 44184273..9a2e55e2 100644 --- a/configure.ac +++ b/configure.ac @@ -157,6 +157,15 @@ test -z "$FLEX" && AC_MSG_ERROR([Flex is missing.]) test -z "$BISON" && AC_MSG_ERROR([Bison is missing.]) test -z "$M4" && AC_MSG_ERROR([M4 is missing.]) +AC_MSG_CHECKING([bison version]) +BIRD_CHECK_BISON_VERSION(BISON_VERSION) +AC_MSG_RESULT([$BISON_VERSION]) +if test "$bird_bison_synclines" = yes; then + M4FLAGS="$M4FLAGS -s" +fi + +AC_SUBST([M4FLAGS]) + BIRD_CHECK_PROG_FLAVOR_GNU([$M4], [], [AC_MSG_ERROR([Provided M4 is not GNU M4.])] |