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-rw-r--r--gnu/packages/engineering.scm14
1 files changed, 6 insertions, 8 deletions
diff --git a/gnu/packages/engineering.scm b/gnu/packages/engineering.scm
index fc932ddb28..aa74d691c7 100644
--- a/gnu/packages/engineering.scm
+++ b/gnu/packages/engineering.scm
@@ -526,7 +526,7 @@ featuring various improvements and bug fixes.")))
      ;; FIXME: with texlive-tiny citation references are rendered as question
      ;; marks.  During the build warnings like these are printed:
      ;; LaTeX Warning: Citation `nabors91' on page 2 undefined on input line 3.
-     `(("texlive" ,(texlive-union (list texlive-fonts-amsfonts)))
+     `(("texlive" ,(texlive-updmap.cfg (list texlive-fonts-amsfonts)))
        ("ghostscript" ,ghostscript)))
     (arguments
      `(#:make-flags '("CC=gcc" "RM=rm" "SHELL=sh" "all")
@@ -948,9 +948,9 @@ Emacs).")
                            ,(version-major+minor
                              (package-version python))
                            "/site-packages:"
-                           (getenv "PYTHONPATH"))))
+                           (getenv "GUIX_PYTHONPATH"))))
                (wrap-program file
-                 `("PYTHONPATH" ":" prefix (,path))
+                 `("GUIX_PYTHONPATH" ":" prefix (,path))
                  `("PATH" ":" prefix
                    (,(string-append python "/bin:")))))
              #t)))))
@@ -1205,9 +1205,9 @@ the 'showing the effect of'-style of operation.")
                            ,(version-major+minor
                              (package-version python))
                            "/site-packages:"
-                           (getenv "PYTHONPATH"))))
+                           (getenv "GUIX_PYTHONPATH"))))
                (wrap-program file
-                 `("PYTHONPATH" ":" prefix (,path))
+                 `("GUIX_PYTHONPATH" ":" prefix (,path))
                  `("PATH" ":" prefix
                    (,(string-append python "/bin:")))))
              #t)))))
@@ -2763,9 +2763,7 @@ GUI.")
                 "06qgry1pal2vampmbmc1lzlhf1qnjkd8py781r5h020v981n6y5s"))))
     (build-system gnu-build-system)
     ;; The GUI, which we elide, requires tcl and tk.
-    (native-inputs `(;; Requires bison 3.6+ but we currently only have 3.5.
-                     ;; Bison 3.6 will be available in the next core update.
-                     ("bison-3.6" ,bison-3.6)
+    (native-inputs `(("bison" ,bison)
                      ("clisp" ,clisp)
                      ("dejagnu" ,dejagnu)
                      ("flex" ,flex)