sim: clean up stale AC_PREREQ refs

[deliverable/binutils-gdb.git] / sim / rx / configure

diff --git a/sim/rx/configure b/sim/rx/configure
index 82db08826e61ca375ee378a5c31dfb2ae297f0ee..964f9f2bdc877df8ec2ce5da035ccc9529b8debe 100755 (executable)
--- a/sim/rx/configure
+++ b/sim/rx/configure
@@ -678,6 +678,7 @@ CCDEPMODE
 DEPDIR
 am__leading_dot
 PACKAGE
+C_DIALECT
 RANLIB
 AR
 HDEFINES
@@ -2351,18 +2352,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 # SIM_AC_OUTPUT is a cover function to AC_OUTPUT to generate the Makefile.
 # It is intended to be invoked last.
 #
-# The simulator's configure.ac should look like:
-#
-# dnl Process this file with autoconf to produce a configure script.
-# AC_PREREQ(2.64)dnl
-# AC_INIT(Makefile.in)
-# sinclude(../common/aclocal.m4)
-#
-# SIM_AC_COMMON
-#
-# ... target specific stuff ...
-#
-# SIM_AC_OUTPUT
+# See README-HACKING for more details.
 
 # Include global overrides and fixes for Autoconf.
 
@@ -8638,6 +8628,55 @@ else
 fi
 
 
+# Require C11 or newer.  Autoconf-2.70 provides ac_cv_prog_cc_c11 when using
+# AC_PROG_CC, but we're still using Autoconf-2.69, and the newest it understands
+# is C99.  So handle it ourselves.
+:
+C_DIALECT=
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C11 is supported by default" >&5
+$as_echo_n "checking whether C11 is supported by default... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
+# error "C11 support not found"
+#endif
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+else
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -std=c11 support" >&5
+$as_echo_n "checking for -std=c11 support... " >&6; }
+  ac_save_CC="$CC"
+  CC="$CC -std=c11"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
+# error "C11 support not found"
+#endif
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+  CC="$ac_save_CC"
+  C_DIALECT="-std=c11"
+
+else
+  as_fn_error $? "C11 is required" "$LINENO" 5
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
 # Some of the common include files depend on bfd.h, and bfd.h checks
 # that config.h is included first by testing that the PACKAGE macro
 # is defined.
@@ -12054,16 +12093,6 @@ freebsd* | dragonfly*)
   esac
   ;;
 
-gnu*)
-  version_type=linux
-  need_lib_prefix=no
-  need_version=no
-  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}${major} ${libname}${shared_ext}'
-  soname_spec='${libname}${release}${shared_ext}$major'
-  shlibpath_var=LD_LIBRARY_PATH
-  hardcode_into_libs=yes
-  ;;
-
 haiku*)
   version_type=linux
   need_lib_prefix=no
@@ -12180,7 +12209,7 @@ linux*oldld* | linux*aout* | linux*coff*)
   ;;
 
 # This must be Linux ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu)
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
   version_type=linux
   need_lib_prefix=no
   need_version=no
@@ -12869,7 +12898,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 12872 "configure"
+#line 12901 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -12975,7 +13004,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 12978 "configure"
+#line 13007 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H