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# K3D_CHECK_VARARGS - handles per-platform behavior for varargs macros |
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AC_DEFUN([K3D_CHECK_VARARGS], [ |
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AC_MSG_CHECKING([for va_copy() or __va_copy]) |
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AC_LINK_IFELSE([#include <stdarg.h> |
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va_list ap1,ap2; |
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va_copy(ap1,ap2);], |
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[k3d_have_va_copy=yes], [k3d_have_va_copy=no]) |
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AC_LINK_IFELSE([#include <stdarg.h> |
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va_list ap1,ap2; |
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__va_copy(ap1,ap2);], |
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[k3d_have___va_copy=yes], [k3d___have_va_copy=no]) |
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if test x"$k3d_have_va_copy" = x"yes"; then |
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AC_DEFINE(HAVE_VA_COPY, 1, [Define to 1 if either va_copy or __va_copy is available]) |
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AC_DEFINE(VA_COPY, va_copy, [Define to the specific version of va_copy or __va_copy that is available]) |
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AC_MSG_RESULT([found va_copy]) |
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elif test x"$k3d_have___va_copy" = x"yes"; then |
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AC_DEFINE(HAVE_VA_COPY, 1, [Define to 1 if either va_copy or __va_copy is available]) |
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AC_DEFINE(VA_COPY, __va_copy, [Define to the specific version of va_copy or __va_copy that is available]) |
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AC_MSG_RESULT([found __va_copy]) |
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else |
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AC_MSG_RESULT([found neither]) |
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fi |
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]) |
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######################################################## |
