# Check the version of a specific autoconf macro that tends to cause problems.
CXXMACROVERSION=$(
grep -B 5 'm4_define(\[_AX_CXX_COMPILE_STDCXX_11_testbody\]' aclocal.m4 |
# Check the version of a specific autoconf macro that tends to cause problems.
CXXMACROVERSION=$(
grep -B 5 'm4_define(\[_AX_CXX_COMPILE_STDCXX_11_testbody\]' aclocal.m4 |