--- /dev/null
+diff -urN libcmis-0.5.0.org/m4/boost.m4 libcmis-0.5.0/m4/boost.m4
+--- libcmis-0.5.0.org/m4/boost.m4 2014-03-28 15:19:57.000000000 +0100
++++ libcmis-0.5.0/m4/boost.m4 2015-09-21 14:42:25.149565264 +0200
+@@ -68,7 +68,9 @@
+ dnl everything else.
+ dnl Cannot use 'dnl' after [$4] because a trailing dnl may break AC_CACHE_CHECK
+ (eval "$ac_cpp conftest.$ac_ext") 2>&AS_MESSAGE_LOG_FD |
++ grep -v '#' |
+ tr -d '\r' |
++ tr -s '\n' ' ' |
+ $SED -n -e "$1" >conftest.i 2>&1],
+ [$3],
+ [$4])
+@@ -201,7 +203,7 @@
+ AC_CACHE_CHECK([for Boost's header version],
+ [boost_cv_lib_version],
+ [m4_pattern_allow([^BOOST_LIB_VERSION$])dnl
+- _BOOST_SED_CPP([/^boost-lib-version = /{s///;s/\"//g;p;g;}],
++ _BOOST_SED_CPP([[/^boost-lib-version = /{s///;s/[\" ]//g;p;q;}]],
+ [#include <boost/version.hpp>
+ boost-lib-version = BOOST_LIB_VERSION],
+ [boost_cv_lib_version=`cat conftest.i`])])
+@@ -209,7 +211,7 @@
+ boost_major_version=`echo "$boost_cv_lib_version" | sed 's/_//;s/_.*//'`
+ case $boost_major_version in #(
+ '' | *[[!0-9]]*)
+- AC_MSG_ERROR([invalid value: boost_major_version=$boost_major_version])
++ AC_MSG_ERROR([invalid value: boost_major_version='$boost_major_version'])
+ ;;
+ esac
+ fi
+@@ -930,6 +932,7 @@
+ # the same defines as GCC's).
+ # TODO: Move the test on GCC 4.4 up once it's released.
+ for i in \
++ _BOOST_gcc_test(5, 2) \
+ _BOOST_gcc_test(4, 3) \
+ _BOOST_gcc_test(4, 2) \
+ _BOOST_gcc_test(4, 1) \