X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fprotocol_binary.m4;h=5c00b5563ac3c0af118d1c720e7f4e87a0cb78fd;hb=7694ddaf5297db436ef9ec4b700fa9525414ea2a;hp=8b8f3f98b2edc018fd8e66bca728f4283c94597f;hpb=5a0dc3338c04b40a5d6f335ac6504e9d3f7fd90d;p=awesomized%2Flibmemcached diff --git a/m4/protocol_binary.m4 b/m4/protocol_binary.m4 index 8b8f3f98..5c00b556 100644 --- a/m4/protocol_binary.m4 +++ b/m4/protocol_binary.m4 @@ -1,19 +1,35 @@ dnl --------------------------------------------------------------------------- dnl Macro: PROTOCOL_BINARY_TEST dnl --------------------------------------------------------------------------- -save_CFLAGS="$CFLAGS" -CFLAGS="$CFLAGS -I${srcdir}" -AC_RUN_IFELSE([ - AC_LANG_PROGRAM([ - #include "libmemcached/memcached/protocol_binary.h" - ], [ + +AC_DEFUN([PROTOCOL_BINARY_TEST], +[ + AC_CACHE_CHECK([for supported struct padding], [ac_cv_supported_struct_padding], [ + AC_LANG_PUSH([C]) + save_CFLAGS="$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.])) -CFLAGS="$save_CFLAGS" + ], + [ ac_cv_supported_struct_padding=no ], + [ ac_cv_supported_struct_padding=yes ]) + CFLAGS="$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 --------------------------------------------------------------------------- dnl End Macro: PROTOCOL_BINARY_TEST