diff options
Diffstat (limited to 'gnulib/m4/va-args.m4')
| m--------- | gnulib | 0 | ||||
| -rw-r--r-- | gnulib/m4/va-args.m4 | 25 |
2 files changed, 25 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/m4/va-args.m4 b/gnulib/m4/va-args.m4 new file mode 100644 index 0000000..82f2c0f --- /dev/null +++ b/gnulib/m4/va-args.m4 @@ -0,0 +1,25 @@ +# va-args.m4 serial 1 +dnl Copyright (C) 2009-2011 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Test for variadic macro support. +dnl Define HAVE_VA_ARGS if macros can use __VA_ARGS__. +AC_DEFUN([gl_VA_ARGS], +[ + AC_CACHE_CHECK([whether the preprocessor allows variadic macros], + [gl_cv_c_va_args], + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ + #include <stdio.h> + #define a(func, arg, ...) func (arg, __VA_ARGS__) + #define b(...) a (__VA_ARGS__) + ]], [[b (printf, "%s", "test");]])], + [gl_cv_c_va_args=yes], [gl_cv_c_va_args=no]) + ]) + if test $gl_cv_c_va_args = yes; then + AC_DEFINE([HAVE_VA_ARGS], [1], + [Define to 1 if the preprocessor supports variadic macros and + __VA_ARGS__.]) + fi +]) |