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| author | Parménides GV <parmegv@sdf.org> | 2014-04-09 17:07:48 +0200 |
|---|---|---|
| committer | Parménides GV <parmegv@sdf.org> | 2014-04-09 17:15:17 +0200 |
| commit | 51ff5a18f1f074e27e97d822745551a7e8fa068d (patch) | |
| tree | 402e7dd42778a218635bb29a4c2dff93ea7f6525 /app/openvpn/m4/ax_varargs.m4 | |
| parent | 910b0e1746ab3f63e63808b198ad51fec5b635e5 (diff) | |
| parent | b5ba0abc1610dd4bf573ebcabc5e8f6ab0c9528f (diff) | |
Merge branch 'feature/implement-gradle-build-system-#4676' into develop
Diffstat (limited to 'app/openvpn/m4/ax_varargs.m4')
| -rw-r--r-- | app/openvpn/m4/ax_varargs.m4 | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/app/openvpn/m4/ax_varargs.m4 b/app/openvpn/m4/ax_varargs.m4 new file mode 100644 index 00000000..c295d21f --- /dev/null +++ b/app/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 +]) |