[Ada] Consistently use explicit Entity_Id type instead of alias

[gcc.git] / libcpp / configure.ac

diff --git a/libcpp/configure.ac b/libcpp/configure.ac
index 3fcbe84f33e9e61753d3c34701ee141b45e2d68e..1efa96f7ca3fb8f8600d58f126c2717469d1d406 100644 (file)
--- a/libcpp/configure.ac
+++ b/libcpp/configure.ac
@@ -1,7 +1,6 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_PREREQ(2.64)
 AC_INIT(cpplib, [ ], gcc-bugs@gcc.gnu.org, cpplib)
 AC_CONFIG_SRCDIR(ucnid.h)
 AC_CONFIG_MACRO_DIR(../config)
@@ -13,6 +12,7 @@ AC_PROG_INSTALL
 AC_PROG_CC
 AC_PROG_CXX
 AC_PROG_RANLIB
+AC_CHECK_TOOL(AR, ar)
 
 AC_USE_SYSTEM_EXTENSIONS
 AC_SYS_LARGEFILE
@@ -42,7 +42,7 @@ ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
 # Dependency checking.
 ZW_CREATE_DEPDIR
 AC_LANG_PUSH([C++])
-AC_COMPILE_IFELSE([[int i;]], [],
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], [],
                  [AC_MSG_ERROR([C++ compiler missing or inoperational])])
 AC_LANG_POP([C++])
 ZW_PROG_COMPILER_DEPENDENCIES([CXX])
@@ -152,9 +152,11 @@ for check in release $ac_checking_flags
 do
        case $check in
        # these set all the flags to specific states
-       yes|all) ac_checking=1 ; ac_valgrind_checking= ;;
-       no|none|release) ac_checking= ; ac_valgrind_checking= ;;
+       yes|all) ac_checking=1 ; ac_assert_checking=1 ; ac_valgrind_checking= ;;
+       no|none) ac_checking= ; ac_assert_checking= ; ac_valgrind_checking= ;;
+       release) ac_checking= ; ac_assert_checking=1 ; ac_valgrind_checking= ;;
        # these enable particular checks
+       assert) ac_assert_checking=1 ;;
        misc) ac_checking=1 ;;
        valgrind) ac_valgrind_checking=1 ;;
        # accept
@@ -164,14 +166,17 @@ done
 IFS="$ac_save_IFS"
                 
 if test x$ac_checking != x ; then
-  AC_DEFINE(ENABLE_CHECKING, 1,
-[Define if you want more run-time sanity checks.])
   AC_DEFINE(CHECKING_P, 1,
 [Define to 1 if you want more run-time sanity checks.])
 else
   AC_DEFINE(CHECKING_P, 0)
 fi
 
+if test x$ac_assert_checking != x ; then
+  AC_DEFINE(ENABLE_ASSERT_CHECKING, 1,
+[Define if you want assertions enabled.  This is a cheap check.])
+fi
+
 if test x$ac_valgrind_checking != x ; then
   AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
 [Define if you want to workaround valgrind (a memory checker) warnings about
@@ -202,6 +207,32 @@ AC_ARG_ENABLE(host-shared,
 [PICFLAG=-fPIC], [PICFLAG=])
 AC_SUBST(PICFLAG)
 
+# Enable Intel CET on Intel CET enabled host if jit is enabled.
+GCC_CET_HOST_FLAGS(CET_HOST_FLAGS)
+case x$enable_languages in
+*jit*)
+  ;;
+*)
+  CET_HOST_FLAGS=
+  ;;
+esac
+AC_SUBST(CET_HOST_FLAGS)
+
+AC_ARG_ENABLE(valgrind-annotations,
+[AS_HELP_STRING([--enable-valgrind-annotations],
+               [enable valgrind runtime interaction])], [],
+[enable_valgrind_annotations=no])
+if test x$enable_valgrind_annotations != xno \
+    || test x$ac_valgrind_checking != x; then
+  if (test $have_valgrind_h = no \
+      && test $gcc_cv_header_memcheck_h = no \
+      && test $gcc_cv_header_valgrind_memcheck_h = no); then
+    AC_MSG_ERROR([*** Can't find valgrind/memcheck.h, memcheck.h or valgrind.h])
+  fi
+  AC_DEFINE(ENABLE_VALGRIND_ANNOTATIONS, 1,
+[Define to get calls to the valgrind runtime enabled.])
+fi
+
 # Output.
 
 AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1])