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author | Parménides GV <parmegv@sdf.org> | 2014-08-18 18:22:54 +0200 |
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committer | Parménides GV <parmegv@sdf.org> | 2014-08-18 18:22:54 +0200 |
commit | 31f6eab32a26a658cbfb2db0d457cc1f87d23f0f (patch) | |
tree | 75f372ff22a94102ef2f9bd163febf54ac45e9d6 /ics-openvpn-stripped/main/openvpn/m4/ax_varargs.m4 | |
parent | 6057466bc8b4475bf4564b9143c60753c90f9aaa (diff) | |
parent | 7d8cde4f7ae769a3b6a25483d8bd0bb6c1551af9 (diff) |
Merge branch 'develop'
Diffstat (limited to 'ics-openvpn-stripped/main/openvpn/m4/ax_varargs.m4')
-rw-r--r-- | ics-openvpn-stripped/main/openvpn/m4/ax_varargs.m4 | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/ics-openvpn-stripped/main/openvpn/m4/ax_varargs.m4 b/ics-openvpn-stripped/main/openvpn/m4/ax_varargs.m4 new file mode 100644 index 00000000..c295d21f --- /dev/null +++ b/ics-openvpn-stripped/main/openvpn/m4/ax_varargs.m4 @@ -0,0 +1,77 @@ +dnl @synopsis AX_CPP_VARARG_MACRO_GCC +dnl +dnl Test if the preprocessor understands GNU GCC-style vararg macros. +dnl If it does, defines HAVE_CPP_VARARG_MACRO_GCC to 1. +dnl +dnl @version +dnl @author James Yonan <jim@yonan.net>, Matthias Andree <matthias.andree@web.de> +AC_DEFUN([AX_CPP_VARARG_MACRO_GCC], [dnl + AS_VAR_PUSHDEF([VAR], [ax_cv_cpp_vararg_macro_gcc])dnl + AC_CACHE_CHECK( + [for GNU GCC vararg macro support], + [VAR], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ +#define macro(a, b...) func(a, b) +int func(int a, int b, int c); + ]], + [[ +int i = macro(1, 2, 3); + ]] + )], + [VAR=yes], + [VAR=no] + )] + )dnl + + AS_VAR_IF( + [VAR], + [yes], + [AC_DEFINE( + [HAVE_CPP_VARARG_MACRO_GCC], + [1], + [Define to 1 if your compiler supports GNU GCC-style variadic macros] + )] + )dnl + AS_VAR_POPDEF([VAR])dnl +]) + +dnl @synopsis AX_CPP_VARARG_MACRO_ISO +dnl +dnl Test if the preprocessor understands ISO C 1999 vararg macros. +dnl If it does, defines HAVE_CPP_VARARG_MACRO_ISO to 1. +dnl +dnl @version +dnl @author James Yonan <jim@yonan.net>, Matthias Andree <matthias.andree@web.de> +AC_DEFUN([AX_CPP_VARARG_MACRO_ISO], [dnl + AS_VAR_PUSHDEF([VAR],[ax_cv_cpp_vararg_macro_iso])dnl + AC_CACHE_CHECK( + [for ISO C 1999 vararg macro support], + [VAR], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ +#define macro(a, ...) func(a, __VA_ARGS__) +int func(int a, int b, int c); + ]], + [[ +int i = macro(1, 2, 3); + ]] + )], + [VAR=yes], + [VAR=no] + )] + )dnl + + AS_VAR_IF( + [VAR], + [yes], + [AC_DEFINE( + [HAVE_CPP_VARARG_MACRO_ISO], + [1], + [Define to 1 if your compiler supports ISO C99 variadic macros] + )] + )dnl + AS_VAR_POPDEF([VAR])dnl +]) |