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-rw-r--r--gnu/packages/gcc.scm4
1 files changed, 2 insertions, 2 deletions
diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index 493ff2659f..e7807a4797 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/Makefile.in"