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1 /* Definitions of target machine for GNU compiler, for HP PA-RISC
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2 Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2005, 2007, 2008
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3 Free Software Foundation, Inc.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 /* GCC always defines __STDC__. HP C++ compilers don't define it. This
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22 causes trouble when sys/stdsyms.h is included. As a work around,
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23 we define __STDC_EXT__. A similar situation exists with respect to
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24 the definition of __cplusplus. We define _INCLUDE_LONGLONG
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25 to prevent nlist.h from defining __STDC_32_MODE__ (no longlong
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26 support). We define __STDCPP__ to get certain system headers
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27 (notably assert.h) to assume standard preprocessor behavior in C++. */
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28 #undef TARGET_OS_CPP_BUILTINS
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29 #define TARGET_OS_CPP_BUILTINS() \
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30 do \
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31 { \
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32 builtin_assert ("system=hpux"); \
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33 builtin_assert ("system=unix"); \
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34 builtin_define ("__hp9000s800"); \
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35 builtin_define ("__hp9000s800__"); \
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36 builtin_define ("__hpux"); \
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37 builtin_define ("__hpux__"); \
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38 builtin_define ("__unix"); \
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39 builtin_define ("__unix__"); \
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40 if (c_dialect_cxx ()) \
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41 { \
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42 builtin_define ("_HPUX_SOURCE"); \
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43 builtin_define ("_INCLUDE_LONGLONG"); \
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44 builtin_define ("__STDC_EXT__"); \
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45 builtin_define ("__STDCPP__"); \
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46 } \
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47 else \
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48 { \
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49 if (!flag_iso) \
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50 { \
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51 builtin_define ("_HPUX_SOURCE"); \
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52 if (preprocessing_trad_p ()) \
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53 { \
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54 builtin_define ("hp9000s800"); \
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55 builtin_define ("hppa"); \
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56 builtin_define ("hpux"); \
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57 builtin_define ("unix"); \
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58 builtin_define ("__CLASSIC_C__"); \
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59 builtin_define ("_PWB"); \
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60 builtin_define ("PWB"); \
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61 } \
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62 else \
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63 builtin_define ("__STDC_EXT__"); \
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64 } \
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65 } \
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66 if (!TARGET_64BIT) \
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67 builtin_define ("_ILP32"); \
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68 if (flag_pa_unix >= 1995 && !flag_iso) \
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69 { \
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70 builtin_define ("_XOPEN_UNIX"); \
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71 builtin_define ("_XOPEN_SOURCE_EXTENDED"); \
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72 } \
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73 if (TARGET_HPUX_11_11) \
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74 { \
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75 if (flag_pa_unix >= 1998) \
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76 { \
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77 if (flag_isoc94 || flag_isoc99 || c_dialect_cxx() \
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78 || !flag_iso) \
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79 builtin_define ("_INCLUDE__STDC_A1_SOURCE"); \
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80 if (!flag_iso) \
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81 builtin_define ("_INCLUDE_XOPEN_SOURCE_500"); \
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82 } \
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83 else if (flag_isoc94 || flag_isoc99 || c_dialect_cxx ()) \
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84 warning (0, "-munix=98 option required for C89 " \
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85 "Amendment 1 features.\n"); \
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86 } \
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87 if (TARGET_SIO) \
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88 builtin_define ("_SIO"); \
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89 else \
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90 { \
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91 builtin_define ("__hp9000s700"); \
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92 builtin_define ("__hp9000s700__"); \
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93 builtin_define ("_WSIO"); \
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94 } \
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95 } \
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96 while (0)
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97
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98 #undef CPP_SPEC
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99 #define CPP_SPEC \
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100 "%{mt|pthread:-D_REENTRANT -D_THREAD_SAFE -D_POSIX_C_SOURCE=199506L}"
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101 /* aCC defines also -DRWSTD_MULTI_THREAD, -DRW_MULTI_THREAD. These
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102 affect only aCC's C++ library (Rogue Wave-derived) which we do not
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103 use, and they violate the user's name space. */
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104
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105 /* We can debug dynamically linked executables on hpux11; we also
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106 want dereferencing of a NULL pointer to cause a SEGV. */
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107 #undef LINK_SPEC
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108 #define LINK_SPEC \
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109 "%<fwhole-program\
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110 %{!shared:%{p:-L/lib/libp -L/usr/lib/libp %{!static:\
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111 %nWarning: consider linking with `-static' as system libraries with\n\
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112 %n profiling support are only provided in archive format}}}\
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113 %{!shared:%{pg:-L/lib/libp -L/usr/lib/libp %{!static:\
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114 %nWarning: consider linking with `-static' as system libraries with\n\
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115 %n profiling support are only provided in archive format}}}\
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116 -z %{mlinker-opt:-O} %{!shared:-u main -u __gcc_plt_call}\
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117 %{static:-a archive} %{shared:-b}"
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118
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119 /* HP-UX 11 has posix threads. HP libc contains pthread stubs so that
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120 non-threaded applications can be linked with a thread-safe libc
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121 without a subsequent loss of performance. For more details, see
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122 <http://docs.hp.com/en/1896/pthreads.html>. */
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123 #undef LIB_SPEC
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124 #define LIB_SPEC \
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125 "%{!shared:\
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126 %{static|mt|pthread:%{fopenmp:%{static:-a archive_shared} -lrt\
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127 %{static:-a archive}} -lpthread} -lc\
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128 %{static:%{!nolibdld:-a archive_shared -ldld -a archive -lc}}}\
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129 %{shared:%{mt|pthread:-lpthread}}"
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130
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131 #undef STARTFILE_SPEC
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132 #define STARTFILE_SPEC \
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133 "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}} \
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134 %{!munix=93:unix95%O%s}}"
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135
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136 /* Under hpux11, the normal location of the `ld' and `as' programs is the
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137 /usr/ccs/bin directory. */
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138
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139 #ifndef CROSS_DIRECTORY_STRUCTURE
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140 #undef MD_EXEC_PREFIX
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141 #define MD_EXEC_PREFIX "/usr/ccs/bin/"
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142 #endif
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143
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144 /* Under hpux11 the normal location of the various *crt*.o files is
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145 the /usr/ccs/lib directory. However, the profiling files are in
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146 /opt/langtools/lib. */
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147
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148 #ifndef CROSS_DIRECTORY_STRUCTURE
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149 #undef MD_STARTFILE_PREFIX
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150 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
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151 #define MD_STARTFILE_PREFIX_1 "/opt/langtools/lib/"
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152 #endif
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153
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154 /* hpux11 has the new HP assembler. It's still lousy, but it's a whole lot
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155 better than the assembler shipped with older versions of hpux. */
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156 #undef NEW_HP_ASSEMBLER
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157 #define NEW_HP_ASSEMBLER 1
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158
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159 /* Make GCC agree with types.h. */
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160 #undef SIZE_TYPE
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161 #undef PTRDIFF_TYPE
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162
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163 #define SIZE_TYPE "long unsigned int"
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164 #define PTRDIFF_TYPE "long int"
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165
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166 /* HP-UX 11.0 and above provides initialization and finalization function
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167 support from linker command line. We don't need to invoke __main to run
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168 constructors. We also don't need chatr to determine the dependencies of
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169 dynamically linked executables and shared libraries. */
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170 #undef LDD_SUFFIX
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171 #undef PARSE_LDD_OUTPUT
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172 #undef HAS_INIT_SECTION
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173 #define HAS_INIT_SECTION 1
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174 #undef LD_INIT_SWITCH
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175 #define LD_INIT_SWITCH "+init"
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176 #undef LD_FINI_SWITCH
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177 #define LD_FINI_SWITCH "+fini"
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178
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179 /* The HP-UX 11.X SOM linker (ld32) can successfully link shared libraries
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180 with secondary definition (weak) symbols. */
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181 #undef TARGET_SOM_SDEF
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182 #define TARGET_SOM_SDEF 1
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183
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184 #undef TARGET_HPUX_11
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185 #define TARGET_HPUX_11 1
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