dnl For libiberty_INIT.
m4_include(../libiberty.m4)
-dnl For --enable-build-with-cxx and COMPILER.
-m4_include(../build-with-cxx.m4)
-
dnl For GDB_AC_PTRACE.
m4_include(../ptrace.m4)
+m4_include(../ax_cxx_compile_stdcxx.m4)
+
dnl Check for existence of a type $1 in libthread_db.h
dnl Based on BFD_HAVE_SYS_PROCFS_TYPE in bfd/bfd.m4.