/**************************************************************************** * * * GNAT COMPILER COMPONENTS * * * * L I N K * * * * C Implementation File * * * * Copyright (C) 1992-2012, Free Software Foundation, Inc. * * * * GNAT is free software; you can redistribute it and/or modify it under * * terms of the GNU General Public License as published by the Free Soft- * * ware Foundation; either version 3, or (at your option) any later ver- * * sion. GNAT is distributed in the hope that it will be useful, but WITH- * * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * * or FITNESS FOR A PARTICULAR PURPOSE. * * * * As a special exception 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 * * . * * * * GNAT was originally developed by the GNAT team at New York University. * * Extensive contributions were provided by Ada Core Technologies Inc. * * * ****************************************************************************/ /* This file contains host-specific parameters describing the behavior of the linker. It is used by gnatlink as well as all tools that use Mlib. */ #ifdef __cplusplus extern "C" { #endif #ifdef IN_GCC #include "auto-host.h" #endif #include /* objlist_file_supported is set to 1 when the system linker allows */ /* response file, that is a file that contains the list of object files. */ /* This is useful on systems where the command line length is limited, */ /* meaning that putting all the object files on the command line can */ /* result in an unacceptable limit on the number of files. */ /* object_file_option denotes the system dependent linker option which */ /* allows object file names to be placed in a file and then passed to */ /* the linker. object_file_option must be set if objlist_file_supported */ /* is set to 1. */ /* link_max is a conservative system specific threshold (in bytes) of the */ /* argument length passed to the linker which will trigger a file being */ /* used instead of the command line directly. If the argument length is */ /* greater than this threshold, then an objlist_file will be generated */ /* and object_file_option and objlist_file_supported must be set. If */ /* objlist_file_supported is set to 0 (unsupported), then link_max is */ /* set to 2**31-1 so that the limit will never be exceeded. */ /* run_path_option is the system dependent linker option which specifies */ /* the run time path to use when loading dynamic libraries. This should */ /* be set to the null string if the system does not support dynamic */ /* loading of libraries. */ /* shared_libgnat_default gives the system dependent link method that */ /* be used by default for linking libgnat (shared or static) */ /* shared_libgcc_default gives the system dependent link method that */ /* be used by default for linking libgcc (shared or static) */ /* separate_run_path_options is set to 1 when separate "rpath" arguments */ /* must be passed to the linker for each directory in the rpath. */ /* default_libgcc_subdir is the subdirectory name (from the installation */ /* root) where we may find a shared libgcc to use by default. */ #define SHARED 'H' #define STATIC 'T' #if defined (__WIN32) const char *__gnat_object_file_option = "-Wl,@"; const char *__gnat_run_path_option = ""; int __gnat_link_max = 30000; unsigned char __gnat_objlist_file_supported = 1; char __gnat_shared_libgnat_default = STATIC; char __gnat_shared_libgcc_default = STATIC; const char *__gnat_object_library_extension = ".a"; unsigned char __gnat_separate_run_path_options = 0; const char *__gnat_default_libgcc_subdir = "lib"; #elif defined (__hpux__) const char *__gnat_object_file_option = "-Wl,-c,"; const char *__gnat_run_path_option = "-Wl,+b,"; int __gnat_link_max = 5000; unsigned char __gnat_objlist_file_supported = 1; char __gnat_shared_libgnat_default = STATIC; char __gnat_shared_libgcc_default = STATIC; const char *__gnat_object_library_extension = ".a"; unsigned char __gnat_separate_run_path_options = 0; const char *__gnat_default_libgcc_subdir = "lib"; #elif defined (__FreeBSD__) const char *__gnat_object_file_option = "-Wl,@"; const char *__gnat_run_path_option = "-Wl,-rpath,"; char __gnat_shared_libgnat_default = STATIC; char __gnat_shared_libgcc_default = STATIC; int __gnat_link_max = 8192; unsigned char __gnat_objlist_file_supported = 1; const char *__gnat_object_library_extension = ".a"; unsigned char __gnat_separate_run_path_options = 0; const char *__gnat_default_libgcc_subdir = "lib"; #elif defined (__APPLE__) const char *__gnat_object_file_option = "-Wl,-filelist,"; const char *__gnat_run_path_option = "-Wl,-rpath,"; char __gnat_shared_libgnat_default = STATIC; char __gnat_shared_libgcc_default = SHARED; int __gnat_link_max = 262144; unsigned char __gnat_objlist_file_supported = 1; const char *__gnat_object_library_extension = ".a"; unsigned char __gnat_separate_run_path_options = 1; const char *__gnat_default_libgcc_subdir = "lib"; #elif defined (linux) || defined(__GLIBC__) const char *__gnat_object_file_option = "-Wl,@"; const char *__gnat_run_path_option = "-Wl,-rpath,"; char __gnat_shared_libgnat_default = STATIC; char __gnat_shared_libgcc_default = STATIC; int __gnat_link_max = 8192; unsigned char __gnat_objlist_file_supported = 1; const char *__gnat_object_library_extension = ".a"; unsigned char __gnat_separate_run_path_options = 0; #if defined (__x86_64) # if defined (__LP64__) const char *__gnat_default_libgcc_subdir = "lib64"; # else const char *__gnat_default_libgcc_subdir = "libx32"; # endif #else const char *__gnat_default_libgcc_subdir = "lib"; #endif #elif defined (_AIX) /* On AIX, even when with GNU ld we use native linker switches. This is particularly important for '-f' as it should be interpreted by collect2. */ const char *__gnat_object_file_option = "-Wl,-f,"; const char *__gnat_run_path_option = ""; char __gnat_shared_libgnat_default = STATIC; char __gnat_shared_libgcc_default = STATIC; int __gnat_link_max = 15000; const unsigned char __gnat_objlist_file_supported = 1; const char *__gnat_object_library_extension = ".a"; unsigned char __gnat_separate_run_path_options = 0; const char *__gnat_default_libgcc_subdir = "lib"; #elif (HAVE_GNU_LD) /* These are the settings for all systems that use gnu ld. GNU style response file is supported, the shared library default is STATIC. */ const char *__gnat_object_file_option = "-Wl,@"; const char *__gnat_run_path_option = ""; char __gnat_shared_libgnat_default = STATIC; char __gnat_shared_libgcc_default = STATIC; int __gnat_link_max = 8192; unsigned char __gnat_objlist_file_supported = 1; const char *__gnat_object_library_extension = ".a"; unsigned char __gnat_separate_run_path_options = 0; const char *__gnat_default_libgcc_subdir = "lib"; #elif defined (VMS) const char *__gnat_object_file_option = ""; const char *__gnat_run_path_option = ""; char __gnat_shared_libgnat_default = STATIC; char __gnat_shared_libgcc_default = STATIC; int __gnat_link_max = 2147483647; unsigned char __gnat_objlist_file_supported = 0; const char *__gnat_object_library_extension = ".olb"; unsigned char __gnat_separate_run_path_options = 0; const char *__gnat_default_libgcc_subdir = "lib"; #elif defined (sun) const char *__gnat_object_file_option = ""; const char *__gnat_run_path_option = "-Wl,-R"; char __gnat_shared_libgnat_default = STATIC; char __gnat_shared_libgcc_default = STATIC; int __gnat_link_max = 2147483647; unsigned char __gnat_objlist_file_supported = 0; const char *__gnat_object_library_extension = ".a"; unsigned char __gnat_separate_run_path_options = 0; #if defined (__sparc_v9__) || defined (__sparcv9) const char *__gnat_default_libgcc_subdir = "lib/sparcv9"; #elif defined (__x86_64) const char *__gnat_default_libgcc_subdir = "lib/amd64"; #else const char *__gnat_default_libgcc_subdir = "lib"; #endif #elif defined (__svr4__) && defined (i386) const char *__gnat_object_file_option = ""; const char *__gnat_run_path_option = ""; char __gnat_shared_libgnat_default = STATIC; char __gnat_shared_libgcc_default = STATIC; int __gnat_link_max = 2147483647; unsigned char __gnat_objlist_file_supported = 0; const char *__gnat_object_library_extension = ".a"; unsigned char __gnat_separate_run_path_options = 0; const char *__gnat_default_libgcc_subdir = "lib"; #else /* These are the default settings for all other systems. No response file is supported, the shared library default is STATIC. */ const char *__gnat_run_path_option = ""; const char *__gnat_object_file_option = ""; char __gnat_shared_libgnat_default = STATIC; char __gnat_shared_libgcc_default = STATIC; int __gnat_link_max = 2147483647; unsigned char __gnat_objlist_file_supported = 0; const char *__gnat_object_library_extension = ".a"; unsigned char __gnat_separate_run_path_options = 0; const char *__gnat_default_libgcc_subdir = "lib"; #endif #ifdef __cplusplus } #endif