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83b0a7f41b
* gnu/packages/cross-base.scm (cross-gcc): Apply gcc 8 patch to gcc >= 8. * gnu/packages/patches/gcc-8-cross-environment-variables.patch: New file. * gnu/local.mk (dist_patch_DATA): Add the patch. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
67 lines
2.3 KiB
Diff
67 lines
2.3 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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Note: Touch 'C_INCLUDE_PATH' et al. rather than 'CPATH', as discussed
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at <http://bugs.gnu.org/22186>.
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diff --git a/gcc/gcc.c b/gcc/gcc.c
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index a716f708259..dc7862f413a 100644
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--- a/gcc/gcc.c
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+++ b/gcc/gcc.c
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@@ -4342,7 +4342,7 @@ process_command (unsigned int decoded_options_count,
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}
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temp = env.get (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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diff --git a/gcc/incpath.c b/gcc/incpath.c
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index b11c6a57939..a66a94a04e5 100644
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--- a/gcc/incpath.c
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+++ b/gcc/incpath.c
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@@ -472,8 +472,8 @@ register_include_chains (cpp_reader *pfile, const char *sysroot,
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int stdinc, int cxx_stdinc, int verbose)
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{
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static const char *const lang_env_vars[] =
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- { "C_INCLUDE_PATH", "CPLUS_INCLUDE_PATH",
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- "OBJC_INCLUDE_PATH", "OBJCPLUS_INCLUDE_PATH" };
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+ { "CROSS_C_INCLUDE_PATH", "CROSS_CPLUS_INCLUDE_PATH",
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+ "CROSS_OBJC_INCLUDE_PATH", "CROSS_OBJCPLUS_INCLUDE_PATH" };
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cpp_options *cpp_opts = cpp_get_options (pfile);
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size_t idx = (cpp_opts->objc ? 2: 0);
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@@ -484,7 +484,7 @@ register_include_chains (cpp_reader *pfile, const char *sysroot,
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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", INC_BRACKET);
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+ add_env_var_paths ("CROSS_CPATH", INC_BRACKET);
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add_env_var_paths (lang_env_vars[idx], INC_SYSTEM);
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target_c_incpath.extra_pre_includes (sysroot, iprefix, stdinc);
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diff --git a/gcc/system.h b/gcc/system.h
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index 4abc321c71d..d6186476024 100644
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--- a/gcc/system.h
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+++ b/gcc/system.h
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@@ -1209,4 +1209,6 @@ helper_const_non_const_cast (const char *p)
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void qsort_chk (void *, size_t, size_t, int (*)(const void *, const void *));
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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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diff --git a/gcc/tlink.c b/gcc/tlink.c
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index ec20bd2fa0f..cd17bdce004 100644
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--- a/gcc/tlink.c
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+++ b/gcc/tlink.c
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@@ -456,7 +456,7 @@ 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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