diff options
Diffstat (limited to 'gold/configure.ac')
| -rw-r--r-- | gold/configure.ac | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gold/configure.ac b/gold/configure.ac index e930fd6..d9d965e 100644 --- a/gold/configure.ac +++ b/gold/configure.ac @@ -244,6 +244,22 @@ AC_CHECK_HEADERS(tr1/unordered_set tr1/unordered_map) AC_CHECK_HEADERS(ext/hash_map ext/hash_set) AC_CHECK_FUNCS(mallinfo) +# gcc 4.3.0 doesn't recognize the printf attribute on a template +# function. Check for that. This is gcc bug 35546. This test can +# probably be removed after the bug has been fixed for a while. +AC_CACHE_CHECK([whether we can use attributes with template functions], +[gold_cv_template_attribute], +[AC_COMPILE_IFELSE([ +template<typename T> extern void foo(const char*, ...) + __attribute__ ((__format__ (__printf__, 1, 2))); +template<typename T> void foo(const char* format, ...) {} +void bar() { foo<int>("%s\n", "foo"); } +], [gold_cv_template_attribute=yes], [gold_cv_template_attribute=no])]) +if test "$gold_cv_template_attribute" = "yes"; then + AC_DEFINE(HAVE_TEMPLATE_ATTRIBUTES, 1, + [Define if attributes work on C++ templates]) +fi + AC_LANG_POP(C++) AM_MAINTAINER_MODE |