mn10300: Add attribute enabled.

[pf3gnuchains/gcc-fork.git] / libgo / configure

diff --git a/libgo/configure b/libgo/configure
index b8d7e57..cef86b2 100644 (file)
--- a/libgo/configure
+++ b/libgo/configure
@@ -607,6 +607,7 @@ HAVE_SYS_MMAN_H_FALSE
 HAVE_SYS_MMAN_H_TRUE
 PTHREAD_LIBS
 PTHREAD_CFLAGS
+MATH_LIBS
 USING_SPLIT_STACK_FALSE
 USING_SPLIT_STACK_TRUE
 SPLIT_STACK
@@ -10868,7 +10869,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10871 "configure"
+#line 10872 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10974,7 +10975,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10977 "configure"
+#line 10978 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -13328,6 +13329,49 @@ $as_echo "#define LINKER_SUPPORTS_SPLIT_STACK 1" >>confdefs.h
 
 fi
 
+MATH_LIBS=
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sqrt in -lm" >&5
+$as_echo_n "checking for sqrt in -lm... " >&6; }
+if test "${ac_cv_lib_m_sqrt+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char sqrt ();
+int
+main ()
+{
+return sqrt ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_m_sqrt=yes
+else
+  ac_cv_lib_m_sqrt=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_sqrt" >&5
+$as_echo "$ac_cv_lib_m_sqrt" >&6; }
+if test "x$ac_cv_lib_m_sqrt" = x""yes; then :
+  MATH_LIBS=-lm
+fi
+
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -pthread is supported" >&5
 $as_echo_n "checking whether -pthread is supported... " >&6; }
 if test "${ac_cv_libgo_pthread_supported+set}" = set; then :