diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/configure.in b/configure.in index 51b5d58..06fcff1 100644 --- a/configure.in +++ b/configure.in @@ -2067,11 +2067,30 @@ AC_TRY_COMPILE(,[int __attribute__((unused)) x], [Define if the __attribute__(()) extension is present]) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) - +AC_MSG_CHECKING([for __func__ extension]) +AC_TRY_COMPILE(,[ const char *fname = __func__; ], + AC_DEFINE([HAVE_C99_FUNC], [1], + [Define if the compiler understands the __func__ keyword]) + AC_MSG_RESULT([yes]), + AC_MSG_RESULT([no])) AC_MSG_CHECKING([for __FUNCTION__ extension]) AC_TRY_COMPILE(,[(void)__FUNCTION__], AC_DEFINE([HAVE_FUNCTION], [1], - [Define if the compiler understand the __FUNCTION__ keyword]) + [Define if the compiler understands the __FUNCTION__ keyword]) + AC_MSG_RESULT([yes]), + AC_MSG_RESULT([no])) +AC_MSG_CHECKING([for C99 designated initialization support]) +AC_TRY_COMPILE(,[ + typedef struct { + int x; + union { + int i; + double d; + } u; + } di_struct_t; + di_struct_t x = {0, { .d = 0.0}}; ], + AC_DEFINE([HAVE_C99_DESIGNATED_INITIALIZER], [1], + [Define if the compiler understands C99 designated initialization of structs and unions]) AC_MSG_RESULT([yes]), AC_MSG_RESULT([no])) |