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authorTheodoros Foradis <theodoros.for@openmailbox.org>2016-09-19 23:23:38 +0300
committerRicardo Wurmus <rekado@elephly.net>2016-10-16 11:53:07 +0200
commitdbc3c34ea0f992a00c7856d4ce39aa1585b759cf (patch)
tree7c794144b530d431e3a4e8d9d339c6501a892b83 /gnu/packages/patches/gcc-6-cross-environment-variables.patch
parentf4a4b854e0d8a3d8bb333592806de8aeaca5c68c (diff)
downloadguix-patches-dbc3c34ea0f992a00c7856d4ce39aa1585b759cf.tar
guix-patches-dbc3c34ea0f992a00c7856d4ce39aa1585b759cf.tar.gz
gnu: Add arm-none-eabi-gcc-6.
* gnu/packages/embedded.scm (gcc-arm-none-eabi-6): New variable. * gnu/packages/patches/gcc-6-arm-none-eabi-multilib.patch: New file. * gnu/packages/patches/gcc-6-cross-environment-variables.patch: New file. * gnu/local.mk (dist_patch_DATA): Add the patches.
Diffstat (limited to 'gnu/packages/patches/gcc-6-cross-environment-variables.patch')
-rw-r--r--gnu/packages/patches/gcc-6-cross-environment-variables.patch65
1 files changed, 65 insertions, 0 deletions
diff --git a/gnu/packages/patches/gcc-6-cross-environment-variables.patch b/gnu/packages/patches/gcc-6-cross-environment-variables.patch
new file mode 100644
index 0000000000..285e78f162
--- /dev/null
+++ b/gnu/packages/patches/gcc-6-cross-environment-variables.patch
@@ -0,0 +1,65 @@
+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>.
+
+--- a/gcc/incpath.c
++++ b/gcc/incpath.c
+@@ -461,8 +461,8 @@ 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);
+
+@@ -473,7 +473,7 @@ 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", BRACKET);
++ add_env_var_paths ("CROSS_CPATH", BRACKET);
+ add_env_var_paths (lang_env_vars[idx], SYSTEM);
+
+ target_c_incpath.extra_pre_includes (sysroot, iprefix, stdinc);
+diff --git a/gcc/system.h b/gcc/system.h
+index 42bc509..af3b9ad 100644
+--- a/gcc/system.h
++++ b/gcc/system.h
+@@ -1063,4 +1063,6 @@ helper_const_non_const_cast (const char *p)
+ /* Get definitions of HOST_WIDE_INT and HOST_WIDEST_INT. */
+ #include "hwint.h"
+
++#define LIBRARY_PATH_ENV "CROSS_LIBRARY_PATH"
++
+ #endif /* ! GCC_SYSTEM_H */
+diff --git a/gcc/tlink.c b/gcc/tlink.c
+index bc358b8..ad6242f 100644
+--- a/gcc/tlink.c
++++ b/gcc/tlink.c
+@@ -458,7 +458,7 @@ recompile_files (void)
+ file *f;
+
+ putenv (xstrdup ("COMPILER_PATH="));
+- putenv (xstrdup ("LIBRARY_PATH="));
++ putenv (xstrdup (LIBRARY_PATH_ENV "="));
+
+ while ((f = file_pop ()) != NULL)
+ {
+diff --git a/gcc/gcc.c b/gcc/gcc.c
+index 0f042b0..c23fb0b 100644
+--- a/gcc/gcc.c
++++ b/gcc/gcc.c
+@@ -4264,7 +4264,7 @@ 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);