3f31525546
* 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
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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.cc b/gcc/gcc.cc
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--- a/gcc/gcc.cc
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+++ b/gcc/gcc.cc
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@@ -4832,7 +4832,7 @@ 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.cc b/gcc/incpath.cc
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--- a/gcc/incpath.cc
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+++ b/gcc/incpath.cc
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@@ -480,8 +480,8 @@ 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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@@ -492,7 +492,7 @@ 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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--- a/gcc/system.h
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+++ b/gcc/system.h
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@@ -1317,4 +1317,6 @@ endswith (const char *str, const char *suffix)
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return memcmp (str + str_len - suffix_len, suffix, suffix_len) == 0;
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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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2.36.1
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