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authorMarius Bakke <marius@gnu.org>2021-05-01 22:42:27 +0200
committerMarius Bakke <marius@gnu.org>2021-06-13 01:00:46 +0200
commit4796b5d6d18dcc0f1b6c8e134977ebdb575c5741 (patch)
tree7f07f488beeb7044590deb4feee787bf848e91d9 /gnu/packages/patches/gcc-10-cross-environment-variables.patch
parent1dec7fa83d4e89f98bc887211b1cfb78aa74f98d (diff)
gnu: GCC: Switch to GCC 10.
* gnu/packages/patches/gcc-cross-gxx-include-dir.patch: New file. * gnu/packages/patches/gcc-10-cross-environment-variables.patch: New file. * gnu/packages/gcc.scm (gcc): Point to GCC-10. (gcc-objc): Point to GCC-OBJC-10. (gcc-objc++): Point to GCC-OBJC++-10. * gnu/packages/cross-base.scm (cross-gcc)[source](patches): Apply the new patches.
Diffstat (limited to 'gnu/packages/patches/gcc-10-cross-environment-variables.patch')
-rw-r--r--gnu/packages/patches/gcc-10-cross-environment-variables.patch51
1 files changed, 51 insertions, 0 deletions
diff --git a/gnu/packages/patches/gcc-10-cross-environment-variables.patch b/gnu/packages/patches/gcc-10-cross-environment-variables.patch
new file mode 100644
index 0000000000..414198657d
--- /dev/null
+++ b/gnu/packages/patches/gcc-10-cross-environment-variables.patch
@@ -0,0 +1,51 @@
+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
+--- a/gcc/gcc.c
++++ b/gcc/gcc.c
+@@ -4474,7 +4474,7 @@ 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
+--- 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
+--- a/gcc/system.h
++++ b/gcc/system.h
+@@ -1244,4 +1244,6 @@ void gcc_stablesort (void *, size_t, size_t,
+ of the number. */
+ #define PRsa(n) "%" #n PRIu64 "%c"
+
++#define LIBRARY_PATH_ENV "CROSS_LIBRARY_PATH"
++
+ #endif /* ! GCC_SYSTEM_H */