diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 62027cb36e..0b24b2481d 100644 --- a/configure.ac +++ b/configure.ac @@ -844,6 +844,16 @@ AC_CHECK_PROG(have_sw_vers, sw_vers, "yes", "no") AM_CONDITIONAL(NOT_OS_X, test "x$have_sw_vers" = "xno") # +# Check compiler vendor. For GCC this will be 'gnu' and for Clang 'clang'. +# +AX_COMPILER_VENDOR +if test "x$CXX" != "x" ; then + AC_LANG_PUSH(C++) + AX_COMPILER_VENDOR + AC_LANG_POP +fi + +# # Some compilers have to be told to fail when passed an unknown -W flag; # make sure we do that. # @@ -1039,7 +1049,12 @@ AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Wshorten-64-to-32, C) # Clang only. Avoid "argument unused during compilation" warnings # (for example, when getting the -gsplit-dwarf option or # when combining -fwrapv with -fno-strict-overflow) -AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Qunused-arguments) +if test x"$ax_cv_c_compiler_vendor" = xclang; then + AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Qunused-arguments, C) +fi +if test x"$ax_cv_cxx_compiler_vendor" = xclang; then + AC_WIRESHARK_COMPILER_FLAGS_CHECK(-Qunused-arguments, CXX) +fi # # Use the faster pre gcc 4.5 floating point precision if available. |