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b091d182fe
- check explicit check for varargs.h as fallback from stdarg.h and fail the build if both are not present metze
33 lines
1.1 KiB
Plaintext
33 lines
1.1 KiB
Plaintext
AC_CHECK_HEADERS(stdarg.h vararg.h)
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dnl VA_COPY
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AC_CACHE_CHECK([for va_copy],samba_cv_HAVE_VA_COPY,[
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AC_TRY_LINK([#include <stdarg.h>
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va_list ap1,ap2;], [va_copy(ap1,ap2);],
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samba_cv_HAVE_VA_COPY=yes,samba_cv_HAVE_VA_COPY=no)])
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if test x"$samba_cv_HAVE_VA_COPY" = x"yes"; then
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AC_DEFINE(HAVE_VA_COPY,1,[Whether va_copy() is available])
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fi
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if test x"$samba_cv_HAVE_VA_COPY" != x"yes"; then
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AC_CACHE_CHECK([for __va_copy],samba_cv_HAVE___VA_COPY,[
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AC_TRY_LINK([#include <stdarg.h>
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va_list ap1,ap2;], [__va_copy(ap1,ap2);],
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samba_cv_HAVE___VA_COPY=yes,samba_cv_HAVE___VA_COPY=no)])
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if test x"$samba_cv_HAVE___VA_COPY" = x"yes"; then
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AC_DEFINE(HAVE___VA_COPY,1,[Whether __va_copy() is available])
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fi
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fi
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AC_CHECK_TYPE(intptr_t, unsigned long long)
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AC_CHECK_SIZEOF(size_t,cross)
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AC_CHECK_SIZEOF(void *,cross)
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if test $ac_cv_sizeof_size_t -lt $ac_cv_sizeof_void_p; then
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AC_WARN([size_t cannot represent the amount of used memory of a process])
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AC_WARN([please report this to <samba-technical@samba.org>])
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AC_WARN([sizeof(size_t) = $ac_cv_sizeof_size_t])
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AC_WARN([sizeof(void *) = $ac_cv_sizeof_void_p])
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AC_ERROR([sizeof(size_t) < sizeof(void *)])
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fi
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