Search path environment variables for cross-compilers.  See the discussion
at <http://gcc.gnu.org/ml/gcc/2013-02/msg00124.html>.

Note: Touch 'C_INCLUDE_PATH' et al. rather than 'CPATH', as discussed
at <http://bugs.gnu.org/22186>.

diff --git a/gcc/gcc.cc b/gcc/gcc.cc
--- a/gcc/gcc.cc
+++ b/gcc/gcc.cc
@@ -4832,7 +4832,7 @@ process_command (unsigned int decoded_options_count,
     }
 
   temp = env.get (LIBRARY_PATH_ENV);
-  if (temp && *cross_compile == '0')
+  if (temp)
     {
       const char *startp, *endp;
       char *nstore = (char *) alloca (strlen (temp) + 3);
diff --git a/gcc/incpath.cc b/gcc/incpath.cc
--- a/gcc/incpath.cc
+++ b/gcc/incpath.cc
@@ -480,8 +480,8 @@ register_include_chains (cpp_reader *pfile, const char *sysroot,
 			 int stdinc, int cxx_stdinc, int verbose)
 {
   static const char *const lang_env_vars[] =
-    { "C_INCLUDE_PATH", "CPLUS_INCLUDE_PATH",
-      "OBJC_INCLUDE_PATH", "OBJCPLUS_INCLUDE_PATH" };
+    { "CROSS_C_INCLUDE_PATH", "CROSS_CPLUS_INCLUDE_PATH",
+      "CROSS_OBJC_INCLUDE_PATH", "CROSS_OBJCPLUS_INCLUDE_PATH" };
   cpp_options *cpp_opts = cpp_get_options (pfile);
   size_t idx = (cpp_opts->objc ? 2: 0);
 
@@ -492,7 +492,7 @@ register_include_chains (cpp_reader *pfile, const char *sysroot,
 
   /* CPATH and language-dependent environment variables may add to the
      include chain.  */
-  add_env_var_paths ("CPATH", INC_BRACKET);
+  add_env_var_paths ("CROSS_CPATH", INC_BRACKET);
   add_env_var_paths (lang_env_vars[idx], INC_SYSTEM);
 
   target_c_incpath.extra_pre_includes (sysroot, iprefix, stdinc);
diff --git a/gcc/system.h b/gcc/system.h
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -1317,4 +1317,6 @@ endswith (const char *str, const char *suffix)
   return memcmp (str + str_len - suffix_len, suffix, suffix_len) == 0;
 }
 
+#define LIBRARY_PATH_ENV "CROSS_LIBRARY_PATH"
+
 #endif /* ! GCC_SYSTEM_H */
-- 
2.36.1

'q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=e320ed57204363625dc1eb1e393f8535020087e0'>root</a>/<a href='/guix/log/gnu?id=e320ed57204363625dc1eb1e393f8535020087e0'>gnu</a>/<a href='/guix/log/gnu/machine?id=e320ed57204363625dc1eb1e393f8535020087e0'>machine</a>/<a href='/guix/log/gnu/machine/ssh.scm?id=e320ed57204363625dc1eb1e393f8535020087e0'>ssh.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/machine/ssh.scm?id=e320ed57204363625dc1eb1e393f8535020087e0&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-06-04 12:08:34 +0200'>2024-06-04</span></td><td><a href='/guix/commit/gnu/machine/ssh.scm?id=3e87b207ce96679e2f289a5522a248d38c4f3962'>file-systems: Add support for mounting CIFS file systems</a><span class='msg-avail'>...</span></td><td>Richard Sent</td></tr>
<tr><td><span title='2024-02-19 11:21:27 +0100'>2024-02-19</span></td><td><a href='/guix/commit/gnu/machine/ssh.scm?id=9ce548a26e59d85ad9341c0212fef38392d49ff4'>machine/ssh: Refresh parameterization of %CURRENT-SYSTEM.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2023-08-08 18:01:54 +0200'>2023-08-08</span></td><td><a href='/guix/commit/gnu/machine/ssh.scm?id=5652c2e14728cf746f86c4ec34a84e99eb34f9a0'>system: Do not check initrd modules for pseudo file systems.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>