diff options
| -rw-r--r-- | configure.ac | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index 45c74776..9eb17ac2 100644 --- a/configure.ac +++ b/configure.ac @@ -834,15 +834,14 @@ AC_C_BIGENDIAN # Use -Werror because some compilers accept unknown attributes and just # give a warning. If it works this should give no warnings, even # clang -Weverything should be fine. -# dnl This doesn't need AC_LANG_SOURCE, minimal code is enough. AC_MSG_CHECKING([if __attribute__((__constructor__)) can be used]) have_func_attribute_constructor=no OLD_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror" -AC_COMPILE_IFELSE([ +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ __attribute__((__constructor__)) static void my_constructor_func(void) { return; } -], [ +]])], [ AC_DEFINE([HAVE_FUNC_ATTRIBUTE_CONSTRUCTOR], [1], [Define to 1 if __attribute__((__constructor__)) is supported for functions.]) |