nerdcruft/libcruft-util
1
0
Fork 0
Code Issues Releases Activity

Bump ragel detection script

Browse Source
This commit is contained in:
Danny Robson 2012-07-30 16:33:40 +10:00
parent d49dd41c65
commit 07c79acc61
1 changed files with 14 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
m4/ragel.m4
View File

@ -20,24 +20,34 @@ AC_DEFUN([CHECK_RAGEL], [
dnl We set RAGEL to false so that it would execute the "false"
dnl command if needed.
AS_IF([test x"$RAGEL" = x"no"], [RAGEL=false])
AS_IF([test x"$RAGEL" = x"no"],
[RAGEL=false],
AS_IF([test x"$2" != "x"],
[ragel_version=`$RAGEL --version | sed -n -e '1s:.*version \(@<:@0-9@:>@\.@<:@0-9@:>@\) .*:\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}/$1], [ragel_needed=no], [ragel_needed=yes])
AS_IF([test -a "${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 GIT checkouts.
You need Ragel to build from development sources.
You can find Ragel at http://www.complang.org/ragel/dnl
])])
])
])
AC_DEFUN([CHECK_RAGEL_AM], [
CHECK_RAGEL([$1])
CHECK_RAGEL([$1], [$2])
AM_CONDITIONAL([HAVE_RAGEL], [test x"$RAGEL" != x"false"])
])