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authorAndrew John Hughes <gnu_andrew@member.fsf.org>2005-11-02 00:43:13 +0000
committerAndrew John Hughes <gnu_andrew@member.fsf.org>2005-11-02 00:43:13 +0000
commit46f26ceba116c0116f67188287e37b96cfd8c05a (patch)
tree73d89c51b5f2d50ec4f24fb34b67f91b2567dd51 /m4
parent899a8a3151264e11d3582d1e57052d85123b03da (diff)
downloadclasspath-46f26ceba116c0116f67188287e37b96cfd8c05a.tar.gz
2005-11-01 Andrew John Hughes <gnu_andrew@member.fsf.org>
* Merge from HEAD --> generics for 2005/09/20 - 2005/11/01.
Diffstat (limited to 'm4')
-rw-r--r--m4/acattribute.m425
1 files changed, 25 insertions, 0 deletions
diff --git a/m4/acattribute.m4 b/m4/acattribute.m4
new file mode 100644
index 000000000..7b490d4b7
--- /dev/null
+++ b/m4/acattribute.m4
@@ -0,0 +1,25 @@
+dnl modified AC_C_INLINE from autoconf/c.m4
+
+AN_IDENTIFIER([attribute], [AC_C_ATTRIBUTE])
+AC_DEFUN([AC_C_ATTRIBUTE],
+[AC_CACHE_CHECK([for __attribute__], ac_cv_c_attribute,
+[
+AC_COMPILE_IFELSE([AC_LANG_SOURCE(
+[void foo(void) __attribute__ ((__noreturn__));]
+)],
+[ac_cv_c_attribute=yes],
+[ac_cv_c_attribute=no]
+)
+])
+AH_VERBATIM([attribute],
+[/* Define to `__attribute__' to nothing if it's not supported. */
+#undef __attribute__])
+case $ac_cv_c_attribute in
+ yes) ;;
+ no)
+ cat >>confdefs.h <<_ACEOF
+#define __attribute__(x) /* nothing */
+_ACEOF
+ ;;
+esac
+])# AC_C_ATTRIBUTE