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[pf3gnuchains/gcc-fork.git] / gcc / testsuite / lib / target-libpath.exp
1 # Copyright (C) 2004 Free Software Foundation, Inc.
2
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 2 of the License, or
6 # (at your option) any later version.
7
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 # GNU General Public License for more details.
12
13 # You should have received a copy of the GNU General Public License
14 # along with this program; if not, write to the Free Software
15 # Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
16
17 # This file was contributed by John David Anglin (dave.anglin@nrc-cnrc.gc.ca)
18
19 set orig_environment_saved 0
20 set orig_ld_library_path_saved 0
21 set orig_ld_run_path_saved 0
22 set orig_shlib_path_saved 0
23 set orig_ld_libraryn32_path_saved 0
24 set orig_ld_library64_path_saved 0
25 set orig_ld_library_path_32_saved 0
26 set orig_ld_library_path_64_saved 0
27 set orig_dyld_library_path_saved 0
28
29
30 #######################################
31 # proc set_ld_library_path_env_vars { }
32 #######################################
33
34 proc set_ld_library_path_env_vars { } {
35   global ld_library_path
36   global orig_environment_saved
37   global orig_ld_library_path_saved
38   global orig_ld_run_path_saved
39   global orig_shlib_path_saved
40   global orig_ld_libraryn32_path_saved
41   global orig_ld_library64_path_saved
42   global orig_ld_library_path_32_saved
43   global orig_ld_library_path_64_saved
44   global orig_dyld_library_path_saved
45   global orig_ld_library_path
46   global orig_ld_run_path
47   global orig_shlib_path
48   global orig_ld_libraryn32_path
49   global orig_ld_library64_path
50   global orig_ld_library_path_32
51   global orig_ld_library_path_64
52   global orig_dyld_library_path
53
54   # Setting the ld library path causes trouble when testing cross-compilers.
55   if { [is_remote target] } {
56     return
57   }
58
59   if { $orig_environment_saved == 0 } {
60     global env
61
62     set orig_environment_saved 1
63
64     # Save the original environment.
65     if [info exists env(LD_LIBRARY_PATH)] {
66       set orig_ld_library_path "$env(LD_LIBRARY_PATH)"
67       set orig_ld_library_path_saved 1
68     }
69     if [info exists env(LD_RUN_PATH)] {
70       set orig_ld_run_path "$env(LD_RUN_PATH)"
71       set orig_ld_run_path_saved 1
72     }
73     if [info exists env(SHLIB_PATH)] {
74       set orig_shlib_path "$env(SHLIB_PATH)"
75       set orig_shlib_path_saved 1
76     }
77     if [info exists env(LD_LIBRARYN32_PATH)] {
78       set orig_ld_libraryn32_path "$env(LD_LIBRARYN32_PATH)"
79       set orig_ld_libraryn32_path_saved 1
80     }
81     if [info exists env(LD_LIBRARY64_PATH)] {
82       set orig_ld_library64_path "$env(LD_LIBRARY64_PATH)"
83       set orig_ld_library64_path_saved 1
84     }
85     if [info exists env(LD_LIBRARY_PATH_32)] {
86       set orig_ld_library_path_32 "$env(LD_LIBRARY_PATH_32)"
87       set orig_ld_library_path_32_saved 1
88     }
89     if [info exists env(LD_LIBRARY_PATH_64)] {
90       set orig_ld_library_path_64 "$env(LD_LIBRARY_PATH_64)"
91       set orig_ld_library_path_64_saved 1
92     }
93     if [info exists env(DYLD_LIBRARY_PATH)] {
94       set orig_dyld_library_path "$env(DYLD_LIBRARY_PATH)"
95       set orig_dyld_library_path_saved 1
96     }
97   }
98
99   # We need to set ld library path in the environment.  Currently,
100   # unix.exp doesn't set the environment correctly for all systems.
101   # It only sets SHLIB_PATH and LD_LIBRARY_PATH when it executes a
102   # program.  We also need the environment set for compilations, etc.
103   #
104   # On IRIX 6, we have to set variables akin to LD_LIBRARY_PATH, but
105   # called LD_LIBRARYN32_PATH (for the N32 ABI) and LD_LIBRARY64_PATH
106   # (for the 64-bit ABI).  The same applies to Darwin (DYLD_LIBRARY_PATH),
107   # Solaris 32 bit (LD_LIBRARY_PATH_32), Solaris 64 bit (LD_LIBRARY_PATH_64),
108   # and HP-UX (SHLIB_PATH).  In some cases, the variables are independent
109   # of LD_LIBRARY_PATH, and in other cases LD_LIBRARY_PATH is used if the
110   # variable is not defined.
111   #
112   # Doing this is somewhat of a hack as ld_library_path gets repeated in
113   # SHLIB_PATH and LD_LIBRARY_PATH when unix_load sets these variables.
114   if { $orig_ld_library_path_saved } {
115     setenv LD_LIBRARY_PATH "$ld_library_path:$orig_ld_library_path"
116   } else {
117     setenv LD_LIBRARY_PATH "$ld_library_path"
118   }
119   if { $orig_ld_run_path_saved } {
120     setenv LD_RUN_PATH "$ld_library_path:$orig_ld_run_path"
121   } else {
122     setenv LD_RUN_PATH "$ld_library_path"
123   }
124   # The default shared library dynamic path search for 64-bit
125   # HP-UX executables searches LD_LIBRARY_PATH before SHLIB_PATH.
126   # LD_LIBRARY_PATH isn't used for 32-bit executables.  Thus, we
127   # set LD_LIBRARY_PATH and SHLIB_PATH as if they were independent.
128   if { $orig_shlib_path_saved } {
129     setenv SHLIB_PATH "$ld_library_path:$orig_shlib_path"
130   } else {
131     setenv SHLIB_PATH "$ld_library_path"
132   }
133   if { $orig_ld_libraryn32_path_saved } {
134     setenv LD_LIBRARYN32_PATH "$ld_library_path:$orig_ld_libraryn32_path"
135   } elseif { $orig_ld_library_path_saved } {
136     setenv LD_LIBRARYN32_PATH "$ld_library_path:$orig_ld_library_path"
137   } else {
138     setenv LD_LIBRARYN32_PATH "$ld_library_path"
139   }
140   if { $orig_ld_library64_path_saved } {
141     setenv LD_LIBRARY64_PATH "$ld_library_path:$orig_ld_library64_path"
142   } elseif { $orig_ld_library_path_saved } {
143     setenv LD_LIBRARY64_PATH "$ld_library_path:$orig_ld_library_path"
144   } else {
145     setenv LD_LIBRARY64_PATH "$ld_library_path"
146   }
147   if { $orig_ld_library_path_32_saved } {
148     setenv LD_LIBRARY_PATH_32 "$ld_library_path:$orig_ld_library_path_32"
149   } elseif { $orig_ld_library_path_saved } {
150     setenv LD_LIBRARY_PATH_32 "$ld_library_path:$orig_ld_library_path"
151   } else {
152     setenv LD_LIBRARY_PATH_32 "$ld_library_path"
153   }
154   if { $orig_ld_library_path_64_saved } {
155     setenv LD_LIBRARY_PATH_64 "$ld_library_path:$orig_ld_library_path_64"
156   } elseif { $orig_ld_library_path_saved } {
157     setenv LD_LIBRARY_PATH_64 "$ld_library_path:$orig_ld_library_path"
158   } else {
159     setenv LD_LIBRARY_PATH_64 "$ld_library_path"
160   }
161   if { $orig_dyld_library_path_saved } {
162     setenv DYLD_LIBRARY_PATH "$ld_library_path:$orig_dyld_library_path"
163   } else {
164     setenv DYLD_LIBRARY_PATH "$ld_library_path"
165   }
166
167   verbose -log "set_ld_library_path_env_vars: ld_library_path=$ld_library_path"
168 }
169
170 #######################################
171 # proc restore_ld_library_path_env_vars { }
172 #######################################
173
174 proc restore_ld_library_path_env_vars { } {
175   global orig_environment_saved
176   global orig_ld_library_path_saved
177   global orig_ld_run_path_saved
178   global orig_shlib_path_saved
179   global orig_ld_libraryn32_path_saved
180   global orig_ld_library64_path_saved
181   global orig_ld_library_path_32_saved
182   global orig_ld_library_path_64_saved
183   global orig_dyld_library_path_saved
184   global orig_ld_library_path
185   global orig_ld_run_path
186   global orig_shlib_path
187   global orig_ld_libraryn32_path
188   global orig_ld_library64_path
189   global orig_ld_library_path_32
190   global orig_ld_library_path_64
191   global orig_dyld_library_path
192
193   if { $orig_environment_saved == 0 } {
194     return
195   }
196
197   if { $orig_ld_library_path_saved } {
198     setenv LD_LIBRARY_PATH "$orig_ld_library_path"
199   } elseif [info exists env(LD_LIBRARY_PATH)] {
200     unsetenv LD_LIBRARY_PATH
201   }
202   if { $orig_ld_run_path_saved } {
203     setenv LD_RUN_PATH "$orig_ld_run_path"
204   } elseif [info exists env(LD_RUN_PATH)] {
205     unsetenv LD_RUN_PATH
206   }
207   if { $orig_shlib_path_saved } {
208     setenv SHLIB_PATH "$orig_shlib_path"
209   } elseif [info exists env(SHLIB_PATH)] {
210     unsetenv SHLIB_PATH
211   }
212   if { $orig_ld_libraryn32_path_saved } {
213     setenv LD_LIBRARYN32_PATH "$orig_ld_libraryn32_path"
214   } elseif [info exists env(LD_LIBRARYN32_PATH)] {
215     unsetenv LD_LIBRARYN32_PATH
216   }
217   if { $orig_ld_library64_path_saved } {
218     setenv LD_LIBRARY64_PATH "$orig_ld_library64_path"
219   } elseif [info exists env(LD_LIBRARY64_PATH)] {
220     unsetenv LD_LIBRARY64_PATH
221   }
222   if { $orig_ld_library_path_32_saved } {
223     setenv LD_LIBRARY_PATH_32 "$orig_ld_library_path_32"
224   } elseif [info exists env(LD_LIBRARY_PATH_32)] {
225     unsetenv LD_LIBRARY_PATH_32
226   }
227   if { $orig_ld_library_path_64_saved } {
228     setenv LD_LIBRARY_PATH_64 "$orig_ld_library_path_64"
229   } elseif [info exists env(LD_LIBRARY_PATH_64)] {
230     unsetenv LD_LIBRARY_PATH_64
231   }
232   if { $orig_dyld_library_path_saved } {
233     setenv DYLD_LIBRARY_PATH "$orig_dyld_library_path"
234   } elseif [info exists env(DYLD_LIBRARY_PATH)] {
235     unsetenv DYLD_LIBRARY_PATH
236   }
237 }