Update description of the -plugin option used by the linker, ar and nm.

[deliverable/binutils-gdb.git] / gdb / gdbserver / configure.ac

diff --git a/gdb/gdbserver/configure.ac b/gdb/gdbserver/configure.ac
index 8476fbdcbd52e878ad93f6a9ff9d807c35a02381..d013c219cc7a35afcfe0d4cacea970af98d2c953 100644 (file)
--- a/gdb/gdbserver/configure.ac
+++ b/gdb/gdbserver/configure.ac
@@ -1,5 +1,5 @@
 dnl Autoconf configure script for GDB server.
-dnl Copyright (C) 2000-2016 Free Software Foundation, Inc.
+dnl Copyright (C) 2000-2017 Free Software Foundation, Inc.
 dnl
 dnl This file is part of GDB.
 dnl
@@ -38,10 +38,11 @@ AC_PROG_RANLIB
 
 AC_ARG_PROGRAM
 
-AC_HEADER_STDC
+# We require a C++11 compiler.  Check if one is available, and if
+# necessary, set CXX_DIALECT to some -std=xxx switch.
+AX_CXX_COMPILE_STDCXX(11, , mandatory)
 
-# See if we are building with C++, and substitute COMPILER.
-GDB_AC_BUILD_WITH_CXX
+AC_HEADER_STDC
 
 # Set the 'development' global.
 . $srcdir/../../bfd/development.sh
@@ -62,17 +63,6 @@ ACX_NONCANONICAL_HOST
 ZW_CREATE_DEPDIR
 ZW_PROG_COMPILER_DEPENDENCIES([CC])
 
-# Check for the 'make' the user wants to use.
-AC_CHECK_PROGS(MAKE, make)
-MAKE_IS_GNU=
-case "`$MAKE --version 2>&1 | sed 1q`" in
-  *GNU*)
-    MAKE_IS_GNU=yes
-    ;;
-esac
-AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
-AC_PROG_MAKE_SET
-
 gnulib_extra_configure_args=
 # If large-file support is disabled, make sure gnulib does the same.
 if test "$enable_largefile" = no; then
@@ -94,6 +84,7 @@ AC_CHECK_HEADERS(sgtty.h termio.h termios.h sys/reg.h string.h dnl
                 fcntl.h signal.h sys/file.h dnl
                 sys/ioctl.h netinet/in.h sys/socket.h netdb.h dnl
                 netinet/tcp.h arpa/inet.h)
+AC_FUNC_FORK
 AC_CHECK_FUNCS(getauxval pread pwrite pread64 setns)
 
 GDB_AC_COMMON
@@ -217,6 +208,20 @@ got it
                     [gdb_cv_i386_is_x86_64=no])
                     CPPFLAGS="$save_CPPFLAGS"])
     ;;
+
+  x86_64-*-linux*)
+    AC_CACHE_CHECK([if building for x32], [gdb_cv_x86_is_x32],
+                  [save_CPPFLAGS="$CPPFLAGS"
+                   CPPFLAGS="$CPPFLAGS $CFLAGS"
+                   AC_EGREP_CPP([got it], [
+#if __x86_64__ && __ILP32__
+got it
+#endif
+                ], [gdb_cv_x86_is_x32=yes],
+                   [gdb_cv_x86_is_x32=no])
+                   CPPFLAGS="$save_CPPFLAGS"])
+    ;;
+
   m68k-*-*)
     AC_CACHE_CHECK([if building for Coldfire], [gdb_cv_m68k_is_coldfire],
                   [save_CPPFLAGS="$CPPFLAGS"
@@ -472,9 +477,11 @@ if test x"$STDINT_H" != x; then
 fi
 AC_SUBST(GNULIB_STDINT_H)
 
-AC_OUTPUT(Makefile,
+AC_CONFIG_FILES([Makefile],
 [case x$CONFIG_HEADERS in
 xconfig.h:config.in)
 echo > stamp-h ;;
 esac
 ])
+
+AC_OUTPUT