GNU bug report logs - #48767
[PATCH 0/7] Add msp430 toolchain

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From: Morgan.J.Smith <at> outlook.com
To: 48767 <at> debbugs.gnu.org
Cc: Morgan Smith <Morgan.J.Smith <at> outlook.com>
Subject: [bug#48767] [PATCH 2/6] gnu: Add gcc-msp430.
Date: Sun, 26 Sep 2021 10:51:51 -0400

From: Morgan Smith <Morgan.J.Smith <at> outlook.com>

* gnu/packages/embedded.scm (gcc-msp430): New variable.
---
 gnu/packages/bootstrap.scm |  1 +
 gnu/packages/embedded.scm  | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/gnu/packages/bootstrap.scm b/gnu/packages/bootstrap.scm
index c598cedc0a..54a028e977 100644
--- a/gnu/packages/bootstrap.scm
+++ b/gnu/packages/bootstrap.scm
@@ -311,6 +311,7 @@ or false to signal an error."
         ((string=? system "arm-eabi") "no-ld.so")
         ((string=? system "xtensa-elf") "no-ld.so")
         ((string=? system "avr") "no-ld.so")
+        ((string=? system "msp430-elf") "no-ld.so")
         ((string=? system "propeller-elf") "no-ld.so")
         ((string=? system "i686-mingw") "no-ld.so")
         ((string=? system "x86_64-mingw") "no-ld.so")
diff --git a/gnu/packages/embedded.scm b/gnu/packages/embedded.scm
index f1f17e83a7..7073168b57 100644
--- a/gnu/packages/embedded.scm
+++ b/gnu/packages/embedded.scm
@@ -530,6 +530,39 @@ languages are C and C++.")
      `(("unzip" ,unzip)))
     (license license:bsd-3)))
 
+(define-public gcc-msp430
+  (let ((xgcc (cross-gcc "msp430-elf"
+                         #:xgcc gcc-9
+                         #:xbinutils (cross-binutils "msp430-elf"))))
+    (package
+      (inherit xgcc)
+      (name "gcc-msp430")
+      (arguments
+       (substitute-keyword-arguments (package-arguments xgcc)
+         ((#:phases phases)
+          `(modify-phases ,phases
+             (add-after 'set-paths 'augment-CPLUS_INCLUDE_PATH
+               (lambda* (#:key inputs #:allow-other-keys)
+                 (let ((gcc (assoc-ref inputs  "gcc")))
+                   ;; Remove the default compiler from CPLUS_INCLUDE_PATH to
+                   ;; prevent header conflict with the GCC from native-inputs.
+                   (setenv "CPLUS_INCLUDE_PATH"
+                           (string-join
+                            (delete (string-append gcc "/include/c++")
+                                    (string-split (getenv "CPLUS_INCLUDE_PATH")
+                                                  #\:))
+                            ":"))
+                   (format #t
+                           "environment variable `CPLUS_INCLUDE_PATH' changed to ~a~%"
+                           (getenv "CPLUS_INCLUDE_PATH")))))))))
+      (native-search-paths
+       (list (search-path-specification
+              (variable "CROSS_C_INCLUDE_PATH")
+              (files '("msp430-elf/include")))
+             (search-path-specification
+              (variable "CROSS_LIBRARY_PATH")
+              (files '("msp430-elf/lib"))))))))
+
 (define-public libjaylink
   (package
     (name "libjaylink")
-- 
2.33.0

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