Update copyright years.

[thirdparty/gcc.git] / gcc / cp / g++spec.c

diff --git a/gcc/cp/g++spec.c b/gcc/cp/g++spec.c
index b896eead001c6cbce2d748dd35a55fd47f8c4215..0ab63bcd2119b4ffdda235c6b49cb53a4eca98ef 100644 (file)
--- a/gcc/cp/g++spec.c
+++ b/gcc/cp/g++spec.c
@@ -1,5 +1,5 @@
 /* Specific flags and argument handling of the C++ front end.
-   Copyright (C) 1996-2013 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -21,17 +21,18 @@ along with GCC; see the file COPYING3.  If not see
 #include "system.h"
 #include "coretypes.h"
 #include "tm.h"
-#include "gcc.h"
 #include "opts.h"
 
 /* This bit is set if we saw a `-xfoo' language specification.  */
 #define LANGSPEC       (1<<1)
 /* This bit is set if they did `-lm' or `-lmath'.  */
 #define MATHLIB                (1<<2)
+/* This bit is set if they did `-lrt' or equivalent.  */
+#define TIMELIB                (1<<3)
 /* This bit is set if they did `-lc'.  */
-#define WITHLIBC       (1<<3)
+#define WITHLIBC       (1<<4)
 /* Skip this option.  */
-#define SKIPOPT                (1<<4)
+#define SKIPOPT                (1<<5)
 
 #ifndef MATH_LIBRARY
 #define MATH_LIBRARY "m"
@@ -40,6 +41,10 @@ along with GCC; see the file COPYING3.  If not see
 #define MATH_LIBRARY_PROFILE MATH_LIBRARY
 #endif
 
+#ifndef TIME_LIBRARY
+#define TIME_LIBRARY ""
+#endif
+
 #ifndef LIBSTDCXX
 #define LIBSTDCXX "stdc++"
 #endif
@@ -83,16 +88,22 @@ lang_specific_driver (struct cl_decoded_option **in_decoded_options,
   /* "-lm" or "-lmath" if it appears on the command line.  */
   const struct cl_decoded_option *saw_math = NULL;
 
+  /* "-lrt" or eqivalent if it appears on the command line.  */
+  const struct cl_decoded_option *saw_time = NULL;
+
   /* "-lc" if it appears on the command line.  */
   const struct cl_decoded_option *saw_libc = NULL;
 
   /* An array used to flag each argument that needs a bit set for
-     LANGSPEC, MATHLIB, or WITHLIBC.  */
+     LANGSPEC, MATHLIB, TIMELIB, or WITHLIBC.  */
   int *args;
 
   /* By default, we throw on the math library if we have one.  */
   int need_math = (MATH_LIBRARY[0] != '\0');
 
+  /* By default, we throw on the time library if we have one.  */
+  int need_time = (TIME_LIBRARY[0] != '\0');
+
   /* True if we saw -static.  */
   int static_link = 0;
 
@@ -136,6 +147,11 @@ lang_specific_driver (struct cl_decoded_option **in_decoded_options,
              args[i] |= MATHLIB;
              need_math = 0;
            }
+         else if (strcmp (arg, TIME_LIBRARY) == 0)
+           {
+             args[i] |= TIMELIB;
+             need_time = 0;
+           }
          else if (strcmp (arg, "c") == 0)
            args[i] |= WITHLIBC;
          else
@@ -168,6 +184,7 @@ lang_specific_driver (struct cl_decoded_option **in_decoded_options,
          break;
 
        case OPT_c:
+       case OPT_r:
        case OPT_S:
        case OPT_E:
        case OPT_M:
@@ -268,6 +285,12 @@ lang_specific_driver (struct cl_decoded_option **in_decoded_options,
          saw_math = &decoded_options[i];
        }
 
+      if (!saw_time && (args[i] & TIMELIB) && library > 0)
+       {
+         --j;
+         saw_time = &decoded_options[i];
+       }
+
       if (!saw_libc && (args[i] & WITHLIBC) && library > 0)
        {
          --j;
@@ -352,6 +375,15 @@ lang_specific_driver (struct cl_decoded_option **in_decoded_options,
       added_libraries++;
       j++;
     }
+  if (saw_time)
+    new_decoded_options[j++] = *saw_time;
+  else if (library > 0 && need_time)
+    {
+      generate_option (OPT_l, TIME_LIBRARY, 1, CL_DRIVER,
+                      &new_decoded_options[j]);
+      added_libraries++;
+      j++;
+    }
   if (saw_libc)
     new_decoded_options[j++] = *saw_libc;
   if (shared_libgcc && !static_link)