* gnu/packages/patches/gcc-cross-environment-variables.patch: Add two hunks, most notably one that changes GCC to honor LIBRARY_PATH_ENV when cross-compiling.
		
			
				
	
	
		
			48 lines
		
	
	
	
		
			1.6 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
	
		
			1.6 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| Search path environment variables for cross-compilers.  See the discussion
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| at <http://gcc.gnu.org/ml/gcc/2013-02/msg00124.html>.
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| 
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| --- gcc-4.7.2/gcc/incpath.c	2012-01-27 00:34:58.000000000 +0100
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| +++ gcc-4.7.2/gcc/incpath.c	2013-02-12 10:11:27.000000000 +0100
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| @@ -452,7 +452,7 @@ register_include_chains (cpp_reader *pfi
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|  
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|    /* CPATH and language-dependent environment variables may add to the
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|       include chain.  */
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| -  add_env_var_paths ("CPATH", BRACKET);
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| +  add_env_var_paths ("CROSS_CPATH", BRACKET);
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|    add_env_var_paths (lang_env_vars[idx], SYSTEM);
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|  
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|    target_c_incpath.extra_pre_includes (sysroot, iprefix, stdinc);
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| 
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| --- gcc-4.7.2/gcc/system.h	2012-02-17 00:16:28.000000000 +0100
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| +++ gcc-4.7.2/gcc/system.h	2013-02-12 10:22:17.000000000 +0100
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| @@ -1023,4 +1023,6 @@ helper_const_non_const_cast (const char
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|  #define DEBUG_VARIABLE
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|  #endif
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|  
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| +#define LIBRARY_PATH_ENV "CROSS_LIBRARY_PATH"
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| +
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|  #endif /* ! GCC_SYSTEM_H */
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| 
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| --- gcc-4.7.2/gcc/tlink.c	2012-02-11 09:50:23.000000000 +0100
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| +++ gcc-4.7.2/gcc/tlink.c	2013-05-23 22:06:19.000000000 +0200
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| @@ -461,7 +461,7 @@ recompile_files (void)
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|    file *f;
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|  
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|    putenv (xstrdup ("COMPILER_PATH="));
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| -  putenv (xstrdup ("LIBRARY_PATH="));
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| +  putenv (xstrdup (LIBRARY_PATH_ENV "="));
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|  
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|    while ((f = file_pop ()) != NULL)
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|      {
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| 
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| --- gcc-4.7.3/gcc/gcc.c	2013-03-08 08:25:09.000000000 +0100
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| +++ gcc-4.7.3/gcc/gcc.c	2013-05-24 08:58:16.000000000 +0200
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| @@ -3726,7 +3726,7 @@ process_command (unsigned int decoded_op
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|      }
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|  
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|    temp = getenv (LIBRARY_PATH_ENV);
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| -  if (temp && *cross_compile == '0')
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| +  if (temp)
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|      {
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|        const char *startp, *endp;
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|        char *nstore = (char *) alloca (strlen (temp) + 3);
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