diff options
Diffstat (limited to 'config/antlr.m4')
| -rw-r--r-- | config/antlr.m4 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/config/antlr.m4 b/config/antlr.m4 index 18b2eff73..674feaed6 100644 --- a/config/antlr.m4 +++ b/config/antlr.m4 @@ -25,6 +25,14 @@ AC_DEFUN([AC_PROG_ANTLR], [ [No usable antlr3 script found. Make sure that the parser code has been generated already. To obtain ANTLR see <http://www.antlr.org/>.] ) + ANTLR_VERSION= + else + ANTLR_VERSION="`$ANTLR -version 2>&1 | sed 's,.*\<Version *\([[0-9.]]*\).*,\1,'`" + case "$ANTLR_VERSION" in + 3.2|3.2.*) ANTLR_VERSION=3.2 ;; + 3.4|3.4.*) ANTLR_VERSION=3.4 ;; + *) AC_MSG_WARN([unknown version of antlr: $ANTLR_VERSION]);; + esac fi ]) @@ -94,6 +102,9 @@ AC_DEFUN([AC_LIB_ANTLR],[ ])], [ AC_MSG_RESULT([found it (must be antlr3 3.2 or similar)]) + if test -n "$ANTLR_VERSION" -a "$ANTLR_VERSION" != 3.2; then + AC_MSG_WARN([your antlr parser generator is version $ANTLR_VERSION, which doesn't match the library!]) + fi CVC4CPPFLAGS="${CVC4CPPFLAGS:+$CVC4CPPFLAGS }-DCVC4_ANTLR3_OLD_INPUT_STREAM" ], [ @@ -111,6 +122,9 @@ AC_DEFUN([AC_LIB_ANTLR],[ ])], [ AC_MSG_RESULT([found it (must be antlr3 3.4 or similar)]) + if test -n "$ANTLR_VERSION" -a "$ANTLR_VERSION" != 3.4; then + AC_MSG_WARN([your antlr parser generator is version $ANTLR_VERSION, which doesn't match the library!]) + fi ], [ AC_MSG_ERROR([cannot figure out how to create an antlr3 input stream, bailing..]) |