X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=m4%2Fprotocol_binary.m4;h=5c00b5563ac3c0af118d1c720e7f4e87a0cb78fd;hb=4ed7d3b55a6c9b9c906e2d69f68a07e37386f34f;hp=d31bcb04a2a06c1ca2ab9af82e3b76f090ac9b39;hpb=ef9ddf55563059fcf3608bab479e15f28e9ceb0f;p=awesomized%2Flibmemcached diff --git a/m4/protocol_binary.m4 b/m4/protocol_binary.m4 index d31bcb04..5c00b556 100644 --- a/m4/protocol_binary.m4 +++ b/m4/protocol_binary.m4 @@ -1,21 +1,34 @@ dnl --------------------------------------------------------------------------- dnl Macro: PROTOCOL_BINARY_TEST dnl --------------------------------------------------------------------------- + AC_DEFUN([PROTOCOL_BINARY_TEST], - [AC_LANG_PUSH([C]) - save_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS -I${srcdir}" - AC_RUN_IFELSE([ - AC_LANG_PROGRAM([[ +[ + AC_CACHE_CHECK([for supported struct padding], [ac_cv_supported_struct_padding], [ + AC_LANG_PUSH([C]) + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -I${srcdir}" + AC_TRY_COMPILE([ +#include #include "libmemcached/memcached/protocol_binary.h" - ]],[[ + ], [ protocol_binary_request_set request; - if (sizeof(request) != sizeof(request.bytes)) { - return 1; + int a = 1; + switch (a) { + case sizeof(request): + case sizeof(request.bytes): + break; + default: + a = 2; } - ]])],, AC_MSG_ERROR([Unsupported struct padding done by compiler.])) + ], + [ ac_cv_supported_struct_padding=no ], + [ ac_cv_supported_struct_padding=yes ]) CFLAGS="$save_CFLAGS" AC_LANG_POP + ]) + AS_IF([test "x$ac_cv_supported_struct_padding" = "xno"],[ + AC_MSG_ERROR([Unsupported struct padding done by compiler.])]) ]) dnl ---------------------------------------------------------------------------