From 4796b5d6d18dcc0f1b6c8e134977ebdb575c5741 Mon Sep 17 00:00:00 2001 From: Marius Bakke Date: Sat, 1 May 2021 22:42:27 +0200 Subject: 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. --- .../gcc-10-cross-environment-variables.patch | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 gnu/packages/patches/gcc-10-cross-environment-variables.patch (limited to 'gnu/packages/patches/gcc-10-cross-environment-variables.patch') 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 . + +Note: Touch 'C_INCLUDE_PATH' et al. rather than 'CPATH', as discussed +at . + +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 */ -- cgit v1.2.3