diff options
Diffstat (limited to 'gnu/packages/patches/gcc-8-cross-environment-variables.patch')
| -rw-r--r-- | gnu/packages/patches/gcc-8-cross-environment-variables.patch | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/gnu/packages/patches/gcc-8-cross-environment-variables.patch b/gnu/packages/patches/gcc-8-cross-environment-variables.patch new file mode 100644 index 0000000000..0ebf5705c9 --- /dev/null +++ b/gnu/packages/patches/gcc-8-cross-environment-variables.patch @@ -0,0 +1,67 @@ +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.c b/gcc/gcc.c +index a716f708259..dc7862f413a 100644 +--- a/gcc/gcc.c ++++ b/gcc/gcc.c +@@ -4342,7 +4342,7 @@ 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.c b/gcc/incpath.c +index b11c6a57939..a66a94a04e5 100644 +--- a/gcc/incpath.c ++++ b/gcc/incpath.c +@@ -472,8 +472,8 @@ 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); + +@@ -484,7 +484,7 @@ 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 +index 4abc321c71d..d6186476024 100644 +--- a/gcc/system.h ++++ b/gcc/system.h +@@ -1209,4 +1209,6 @@ helper_const_non_const_cast (const char *p) + void qsort_chk (void *, size_t, size_t, int (*)(const void *, const void *)); + #endif + ++#define LIBRARY_PATH_ENV "CROSS_LIBRARY_PATH" ++ + #endif /* ! GCC_SYSTEM_H */ +diff --git a/gcc/tlink.c b/gcc/tlink.c +index ec20bd2fa0f..cd17bdce004 100644 +--- a/gcc/tlink.c ++++ b/gcc/tlink.c +@@ -456,7 +456,7 @@ recompile_files (void) + file *f; + + putenv (xstrdup ("COMPILER_PATH=")); +- putenv (xstrdup ("LIBRARY_PATH=")); ++ putenv (xstrdup (LIBRARY_PATH_ENV "=")); + + while ((f = file_pop ()) != NULL) + { |