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Diffstat (limited to 'contrib/ragel.m4')
| -rw-r--r-- | contrib/ragel.m4 | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/contrib/ragel.m4 b/contrib/ragel.m4 deleted file mode 100644 index e7b42425..00000000 --- a/contrib/ragel.m4 +++ /dev/null @@ -1,53 +0,0 @@ -dnl Check for presence of the Ragel State Machine generator. -dnl -dnl This macro checks for the presence of the ragel tool in the system, -dnl and whether the ragel tool is absolutely needed for a complete -dnl build. -dnl -dnl To check for the need for Ragel, you have to provide the relative -dnl path of a source file generated through Ragel: if the file is -dnl present in the source tree, a missing ragel command will not cause -dnl the configure to abort. - -AC_DEFUN([_RAGEL_VARS], [ - AC_ARG_VAR([RAGEL], [Ragel generator command]) - AC_ARG_VAR([RAGELFLAGS], [Ragel generator flags]) -]) - -AC_DEFUN([CHECK_RAGEL], [ - AC_REQUIRE([_RAGEL_VARS]) - AC_CHECK_PROG([RAGEL], [ragel], [ragel], [no]) - - dnl We set RAGEL to false so that it would execute the "false" - dnl command if needed. - AS_IF([test x"$RAGEL" = x"no"], - [RAGEL=false], - AS_IF([test x"$2" != "x"], - [ragel_version=`$RAGEL --version | sed -n -e '1s:.*version \(@<:@0-9@:>@\.@<:@0-9@:>@\)\(\.@<:@0-9@:>@\)* .*:\1:p'` - ragel_version_compare=`echo $ragel_version | tr -d .` - ragel_wanted_version=`echo $2 | tr -d .` - AS_IF([test $ragel_version_compare -lt $ragel_wanted_version], - [AC_MSG_WARN([Found Ragel $ragel_version but Ragel $2 requested]) - RAGEL=false - ]) - ])) - - dnl Only test the need if not found - AS_IF([test x"$RAGEL" = x"false"], [ - AC_MSG_CHECKING([whether we need ragel to regenerate sources]) - AS_IF([test -a "${srcdir}/$1"], [ragel_needed=no], [ragel_needed=yes]) - AC_MSG_RESULT([$ragel_needed]) - - AS_IF([test x"$ragel_needed" = x"yes"], - [AC_MSG_ERROR([dnl -You need Ragel to build from development sources. -You can find Ragel at http://www.colm.net/open-source/ragel/dnl - ])]) - ]) -]) - -AC_DEFUN([CHECK_RAGEL_AM], [ - CHECK_RAGEL([$1], [$2]) - - AM_CONDITIONAL([HAVE_RAGEL], [test x"$RAGEL" != x"false"]) -]) |