text: /* Definitions for systems using, at least optionally, a GNU
     (glibc-based) userspace or other userspace with libc derived from
     glibc (e.g. uClibc) or for which similar specs are appropriate.
     Copyright (C) 1995-2016 Free Software Foundation, Inc.
     Contributed by Eric Youngdale.
     Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org).
  
  This file is part of GCC.
  
  GCC is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 3, or (at your option)
  any later version.
  
  GCC is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  Under Section 7 of GPL version 3, you are granted additional
  permissions described in the GCC Runtime Library Exception, version
  3.1, as published by the Free Software Foundation.
  
  You should have received a copy of the GNU General Public License and
  a copy of the GCC Runtime Library Exception along with this program;
  see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  <http://www.gnu.org/licenses/>.  */
  
  /* Don't assume anything about the header files.  */
  #define NO_IMPLICIT_EXTERN_C
  
  #undef ASM_APP_ON
  #define ASM_APP_ON "#APP\n"
  
  #undef ASM_APP_OFF
  #define ASM_APP_OFF "#NO_APP\n"
  
  #if ENABLE_OFFLOADING == 1
  #define CRTOFFLOADBEGIN "%{fopenacc|fopenmp:crtoffloadbegin%O%s}"
  #define CRTOFFLOADEND "%{fopenacc|fopenmp:crtoffloadend%O%s}"
  #else
  #define CRTOFFLOADBEGIN ""
  #define CRTOFFLOADEND ""
  #endif
  
  /* Provide a STARTFILE_SPEC appropriate for GNU userspace.  Here we add
     the GNU userspace magical crtbegin.o file (see crtstuff.c) which
     provides part of the support for getting C++ file-scope static
     object constructed before entering `main'.  */
  
  #if defined HAVE_LD_PIE
  #define GNU_USER_TARGET_STARTFILE_SPEC \
    "%{!shared: %{pg|p|profile:gcrt1.o%s;: \
      %{" PIE_SPEC ":Scrt1.o%s} %{" NO_PIE_SPEC ":crt1.o%s}}} \
     crti.o%s %{static:crtbeginT.o%s;: %{shared:crtbeginS.o%s} \
  	      %{" PIE_SPEC ":crtbeginS.o%s} \
  	      %{" NO_PIE_SPEC ":crtbegin.o%s}} \
     %{fvtable-verify=none:%s; \
       fvtable-verify=preinit:vtv_start_preinit.o%s; \
       fvtable-verify=std:vtv_start.o%s} \
     " CRTOFFLOADBEGIN
  #else
  #define GNU_USER_TARGET_STARTFILE_SPEC \
    "%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
     crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s} \
     %{fvtable-verify=none:%s; \
       fvtable-verify=preinit:vtv_start_preinit.o%s; \
       fvtable-verify=std:vtv_start.o%s} \
     " CRTOFFLOADBEGIN
  #endif
  #undef  STARTFILE_SPEC
  #define STARTFILE_SPEC GNU_USER_TARGET_STARTFILE_SPEC
  
  /* Provide a ENDFILE_SPEC appropriate for GNU userspace.  Here we tack on
     the GNU userspace magical crtend.o file (see crtstuff.c) which
     provides part of the support for getting C++ file-scope static
     object constructed before entering `main', followed by a normal
     GNU userspace "finalizer" file, `crtn.o'.  */
  
  #if defined HAVE_LD_PIE
  #define GNU_USER_TARGET_ENDFILE_SPEC \
    "%{fvtable-verify=none:%s; \
       fvtable-verify=preinit:vtv_end_preinit.o%s; \
       fvtable-verify=std:vtv_end.o%s} \
     %{shared:crtendS.o%s;: %{" PIE_SPEC ":crtendS.o%s} \
     %{" NO_PIE_SPEC ":crtend.o%s}} crtn.o%s \
     " CRTOFFLOADEND
  #else
  #define GNU_USER_TARGET_ENDFILE_SPEC \
    "%{fvtable-verify=none:%s; \
       fvtable-verify=preinit:vtv_end_preinit.o%s; \
       fvtable-verify=std:vtv_end.o%s} \
     %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s \
     " CRTOFFLOADEND
  #endif
  #undef  ENDFILE_SPEC
  #define ENDFILE_SPEC GNU_USER_TARGET_ENDFILE_SPEC
  
  /* This is for -profile to use -lc_p instead of -lc.  */
  #define GNU_USER_TARGET_CC1_SPEC "%{profile:-p}"
  #ifndef CC1_SPEC
  #define CC1_SPEC GNU_USER_TARGET_CC1_SPEC
  #endif
  
  /* The GNU C++ standard library requires that these macros be defined.  */
  #undef CPLUSPLUS_CPP_SPEC
  #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
  
  #define GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC \
    "%{shared:-lc} \
     %{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"
  
  #define GNU_USER_TARGET_LIB_SPEC \
    "%{pthread:-lpthread} " \
    GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC
  
  #undef  LIB_SPEC
  #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
  
  #if defined(HAVE_LD_EH_FRAME_HDR)
  #ifdef USE_EH_FRAME_HDR_FOR_STATIC
  #define LINK_EH_SPEC "--eh-frame-hdr "
  #else
  #define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
  #endif
  #endif
  
  #undef LINK_GCC_C_SEQUENCE_SPEC
  #define LINK_GCC_C_SEQUENCE_SPEC \
    "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
  
  /* Use --as-needed -lgcc_s for eh support.  */
  #ifdef HAVE_LD_AS_NEEDED
  #define USE_LD_AS_NEEDED 1
  #endif
  
  #define TARGET_POSIX_IO
  
  #undef TARGET_LIBC_HAS_FUNCTION
  #define TARGET_LIBC_HAS_FUNCTION gnu_libc_has_function
  
  /* Link -lasan early on the command line.  For -static-libasan, don't link
     it for -shared link, the executable should be compiled with -static-libasan
     in that case, and for executable link with --{,no-}whole-archive around
     it to force everything into the executable.  And similarly for -ltsan
     and -llsan.  */
  #if defined(HAVE_LD_STATIC_DYNAMIC)
  #undef LIBASAN_EARLY_SPEC
  #define LIBASAN_EARLY_SPEC "%{!shared:libasan_preinit%O%s} " \
    "%{static-libasan:%{!shared:" \
    LD_STATIC_OPTION " --whole-archive -lasan --no-whole-archive " \
    LD_DYNAMIC_OPTION "}}%{!static-libasan:-lasan}"
  #undef LIBTSAN_EARLY_SPEC
  #define LIBTSAN_EARLY_SPEC "%{static-libtsan:%{!shared:" \
    LD_STATIC_OPTION " --whole-archive -ltsan --no-whole-archive " \
    LD_DYNAMIC_OPTION "}}%{!static-libtsan:-ltsan}"
  #undef LIBLSAN_EARLY_SPEC
  #define LIBLSAN_EARLY_SPEC "%{static-liblsan:%{!shared:" \
    LD_STATIC_OPTION " --whole-archive -llsan --no-whole-archive " \
    LD_DYNAMIC_OPTION "}}%{!static-liblsan:-llsan}"
  #endif
  