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[bug#49432] [PATCH] gnu: gccgo: Override empty GOROOT/GCCGOTOOLDIR

From: Sarah Morgensen
Subject: [bug#49432] [PATCH] gnu: gccgo: Override empty GOROOT/GCCGOTOOLDIR
Date: Tue, 6 Jul 2021 00:30:32 -0700

gnu/packages/gcc.scm (make-gccgo)[arguments]: Set tool paths
(GOROOT and GCCGOTOOLDIR) even if they are already set to "".
Hello all,

It turns out some tools use

  GOROOT='' go env GOROOT

to find Go, which was breaking with Gccgo. This little patch fixes that.

As for the commit title, I wasn't sure if "gnu: gccgo" or "gnu: make-gccgo"
was more appropriate here... there aren't a lot of examples in the commit log!


 gnu/packages/gcc.scm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index 2fe30b1321..02d6824a99 100644
--- a/gnu/packages/gcc.scm
+++ b/gnu/packages/gcc.scm
@@ -871,9 +871,9 @@ provides the GNU compiler for the Go programming language.")
                         (tooldir (dirname (car (find-files exedir "^cgo$")))))
                    (wrap-program (string-append out "/bin/go")
                      `("GCCGOTOOLDIR" =
-                       (,(string-append "${GCCGOTOOLDIR-" tooldir "}")))
+                       (,(string-append "${GCCGOTOOLDIR:-" tooldir "}")))
                      `("GOROOT" =
-                       (,(string-append "${GOROOT-" out "}")))))))
+                       (,(string-append "${GOROOT:-" out "}")))))))
              (add-before 'configure 'fix-gotools-runpath
                (lambda _
                  (substitute* "gotools/"

base-commit: aa6e6fb2e9ea231d12d49a8925fddd8d2686ea94

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