diff options
Diffstat (limited to 'gnu/packages')
| -rw-r--r-- | gnu/packages/embedded.scm | 78 | ||||
| -rw-r--r-- | gnu/packages/patches/gcc-7-cross-environment-variables.patch | 67 |
2 files changed, 145 insertions, 0 deletions
diff --git a/gnu/packages/embedded.scm b/gnu/packages/embedded.scm index 4087e042c6..d2918c9263 100644 --- a/gnu/packages/embedded.scm +++ b/gnu/packages/embedded.scm @@ -207,6 +207,84 @@ usable on embedded products.") "--disable-nls")))) (synopsis "Newlib variant for small systems with limited memory"))) + +;;; The following definitions are for the "7-2018-q2-update" variant of the +;;; ARM cross toolchain as offered on https://developer.arm.com +(define-public gcc-arm-none-eabi-7-2018-q2-update + (let ((xgcc (cross-gcc "arm-none-eabi" + #:xgcc gcc-7 + #:xbinutils (cross-binutils "arm-none-eabi"))) + (revision "1") + (svn-revision 261907)) + (package (inherit xgcc) + (version (string-append "7-2018-q2-update-" + revision "." (number->string svn-revision))) + (source + (origin + (method svn-fetch) + (uri (svn-reference + (url "svn://gcc.gnu.org/svn/gcc/branches/ARM/embedded-7-branch/") + (revision svn-revision))) + (file-name (string-append "gcc-arm-embedded-" version "-checkout")) + (sha256 + (base32 + "192ggs63bixf3irpijgfkjks73yx1r3a4i6grk1y0i0iny76pmx5")) + (patches + (append + (origin-patches (package-source gcc-7)) + (search-patches "gcc-7-cross-environment-variables.patch"))))) + (native-inputs + `(("gcc" ,gcc-5) + ("flex" ,flex) + ("isl" ,isl-0.18) + ,@(alist-delete "isl" (package-native-inputs xgcc)))) + (arguments + (substitute-keyword-arguments (package-arguments xgcc) + ((#:phases phases) + `(modify-phases ,phases + (add-after 'unpack 'expand-version-string + (lambda _ + (make-file-writable "gcc/DEV-PHASE") + (with-output-to-file "gcc/DEV-PHASE" + (lambda () + (display "7-2018-q2-update"))) + #t)) + (add-after 'unpack 'fix-genmultilib + (lambda _ + (substitute* "gcc/genmultilib" + (("#!/bin/sh") (string-append "#!" (which "sh")))) + #t)))) + ((#:configure-flags flags) + ;; The configure flags are largely identical to the flags used by the + ;; "GCC ARM embedded" project. + `(append (list "--enable-multilib" + "--with-newlib" + "--with-multilib-list=rmprofile" + "--with-host-libstdcxx=-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm" + "--enable-plugins" + "--disable-decimal-float" + "--disable-libffi" + "--disable-libgomp" + "--disable-libmudflap" + "--disable-libquadmath" + "--disable-libssp" + "--disable-libstdcxx-pch" + "--disable-nls" + "--disable-shared" + "--disable-threads" + "--disable-tls") + (delete "--disable-multilib" ,flags))))) + (native-search-paths + (list (search-path-specification + (variable "CROSS_C_INCLUDE_PATH") + (files '("arm-none-eabi/include"))) + (search-path-specification + (variable "CROSS_CPLUS_INCLUDE_PATH") + (files '("arm-none-eabi/include"))) + (search-path-specification + (variable "CROSS_LIBRARY_PATH") + (files '("arm-none-eabi/lib")))))))) + (define (make-libstdc++-arm-none-eabi xgcc newlib) (let ((libstdc++ (make-libstdc++ xgcc))) (package (inherit libstdc++) diff --git a/gnu/packages/patches/gcc-7-cross-environment-variables.patch b/gnu/packages/patches/gcc-7-cross-environment-variables.patch new file mode 100644 index 0000000000..99ae36f103 --- /dev/null +++ b/gnu/packages/patches/gcc-7-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 eced0d5..08dec2b 100644 +--- a/gcc/gcc.c ++++ b/gcc/gcc.c +@@ -4317,7 +4317,7 @@ 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 98fe5ec..96aff65 100644 +--- 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 0cbf60a..3242c68 100644 +--- a/gcc/system.h ++++ b/gcc/system.h +@@ -1169,4 +1169,6 @@ helper_const_non_const_cast (const char *p) + /* Get definitions of HOST_WIDE_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 a2a7db0..2d96872 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) + { |