- [AC_PREREQ([2.63])dnl
- AC_CHECK_PROGS([SPHINXBUILD], [sphinx-build], [:])
- AS_IF([test "x${SPHINXBUILD}" != "x:"],[
- AC_CACHE_CHECK([if sphinx is new enough],[ac_cv_recent_sphinx],[
+ [AX_WITH_PROG([SPHINXBUILD],[sphinx-build],[:])
+ AS_IF([test x"SPHINXBUILD" = x":"],
+ [SPHINXBUILD=],
+ [AS_IF([test -x "$SPHINXBUILD"],
+ [AC_MSG_CHECKING([Checking to see if $SPHINXBUILD is recent])
+ junk=`$SPHINXBUILD --version &> version_file`
+ AS_IF([test $? -eq 0],
+ [ax_sphinx_build_version=`head -1 version_file`],
+ [junk=`$SPHINXBUILD &> version_file`
+ ax_sphinx_build_version=`head -1 version_file`
+ rm version_file
+ AC_MSG_RESULT([$SPHINXBUILD is version "$ax_sphinx_build_version"])
+ $SPHINXBUILD -Q -C -b man -d conftest.d . . >/dev/null 2>&1
+ AS_IF([test $? -eq 0], ,[SPHINXBUILD=])
+ rm -rf conftest.d ])
+ ])
+ rm -f version_file
+ ])