248d08ebf0
* 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.
49 lines
1.6 KiB
Diff
49 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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--- 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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/* 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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target_c_incpath.extra_pre_includes (sysroot, iprefix, stdinc);
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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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+#define LIBRARY_PATH_ENV "CROSS_LIBRARY_PATH"
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+
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#endif /* ! GCC_SYSTEM_H */
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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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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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while ((f = file_pop ()) != NULL)
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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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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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