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-rw-r--r--m4/ac_pkg_cython.m49
1 files changed, 7 insertions, 2 deletions
diff --git a/m4/ac_pkg_cython.m4 b/m4/ac_pkg_cython.m4
index 1b640e7..3b4c9a7 100644
--- a/m4/ac_pkg_cython.m4
+++ b/m4/ac_pkg_cython.m4
@@ -6,8 +6,11 @@ AC_DEFUN([AC_PROG_CYTHON],[
CYTHON=false
elif test -n "$1" ; then
AC_MSG_CHECKING([for Cython version])
- [cython_version=`$CYTHON --version 2>&1 | grep 'Cython version' | sed 's/.*\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*/\1/g'`]
+ [cython_version=`$CYTHON --version 2>&1 | sed 's/Cython version \(.*\)$/\1/g'`]
AC_MSG_RESULT([$cython_version])
+
+ # Setup extra version string for parsing
+ [cython_version_stripped=`echo $cython_version | sed 's/\([0-9]\+\)\.\([0-9]\+\)[^\.]*\(\.\([0-9]\+\)\)\?.*/0\1.0\2.0\4/g'`]
if test -n "$cython_version" ; then
# Calculate the required version number components
[required=$1]
@@ -25,8 +28,9 @@ AC_DEFUN([AC_PROG_CYTHON],[
if test -z "$required_patch" ; then
[required_patch=0]
fi
+
# Calculate the available version number components
- [available=$cython_version]
+ [available=$cython_version_stripped]
[available_major=`echo $available | sed 's/[^0-9].*//'`]
if test -z "$available_major" ; then
[available_major=0]
@@ -41,6 +45,7 @@ AC_DEFUN([AC_PROG_CYTHON],[
if test -z "$available_patch" ; then
[available_patch=0]
fi
+
if test $available_major -gt $required_major || \
( test $available_major -eq $required_major && \
test $available_minor -gt $required_minor ) || \