X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/be6fa942acae21a4a025bac5e339451be6ad136d..de5fb744c98f86f3366cd5adfd4a7a202641acd3:/configure.ac diff --git a/configure.ac b/configure.ac index 05a8d920..e6ef8baf 100644 --- a/configure.ac +++ b/configure.ac @@ -18,7 +18,7 @@ # In order for some versions of Sun Studio to compile our C++ test cases # correctly, we need Autoconf 2.64 or better to handle the restrict # keyword in at least string.h from gnulib. We need Autoconf 2.68 or -# better to avoid a typo in the `configure --help' entry for the YACC +# better to avoid a typo in the 'configure --help' entry for the YACC # environment variable. AC_PREREQ([2.68]) m4_pattern_forbid([^gl_[A-Z]]) @@ -143,7 +143,9 @@ if test "$enable_gcc_warnings" = yes; then gl_WARN_ADD([$i], [WARN_CXXFLAGS_TEST]) done # Clang++ 3.2+ reject C code generated by Flex. - gl_WARN_ADD([-Wno-null-conversion], [WARN_NO_NULL_CONVERSION_CXXFLAGS]) + gl_WARN_ADD([-Wno-null-conversion], [FLEX_SCANNER_CXXFLAGS]) + # So does G++ 4.8 in std=c++11 mode. + gl_WARN_ADD([-Wno-zero-as-null-pointer-constant], [FLEX_SCANNER_CXXFLAGS]) CXXFLAGS=$save_CXXFLAGS AC_LANG_POP([C++]) fi