* gnu/packages/patches/gcc-12-cross-environment-variables.patch : New file. * gnu/local.mk (dist_patch_DATA): Add gcc-12-cross-environment-variables.patch. * gnu/packages/cross-base.scm (cross-gcc)[source](patches): Apply the patch. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
		
			
				
	
	
		
			54 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| 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
 | |
| 
 |