diff options
Diffstat (limited to 'source4/build/smb_build/check_cc.m4')
| -rw-r--r-- | source4/build/smb_build/check_cc.m4 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/source4/build/smb_build/check_cc.m4 b/source4/build/smb_build/check_cc.m4 index b139dcc1da..91324180f9 100644 --- a/source4/build/smb_build/check_cc.m4 +++ b/source4/build/smb_build/check_cc.m4 @@ -51,3 +51,24 @@ AC_CACHE_CHECK([that the C compiler understands volatile],samba_cv_volatile, [ if test x"$samba_cv_volatile" = x"yes"; then AC_DEFINE(HAVE_VOLATILE, 1, [Whether the C compiler understands volatile]) fi + +############################################ +# check if the compiler can do immediate structures +AC_CACHE_CHECK([for immediate structures],samba_cv_immediate_structures, [ + AC_TRY_COMPILE([ +#include <stdio.h>], +[ + typedef struct {unsigned x;} FOOBAR; + #define X_FOOBAR(x) ((FOOBAR) { x }) + #define FOO_ONE X_FOOBAR(1) + FOOBAR f = FOO_ONE; + static struct { + FOOBAR y; + } f2[] = { + {FOO_ONE} + }; +], + samba_cv_immediate_structures=yes,samba_cv_immediate_structures=no)]) +if test x"$samba_cv_immediate_structures" = x"yes"; then + AC_DEFINE(HAVE_IMMEDIATE_STRUCTURES,1,[Whether the compiler supports immediate structures]) +fi |