1 files changed, 8 insertions, 12 deletions
diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index a5aaf56fb2..a102dc962f 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -2722,16 +2722,12 @@ Transport Tycoon Deluxe.")
                (copy-recursively
                 (string-append objects "/share/openrct2/objects")
                 "data/object"))))
-         (add-before 'configure 'fixgcc7
-           (lambda _
-             (unsetenv "C_INCLUDE_PATH")
-             (unsetenv "CPLUS_INCLUDE_PATH")
-             #t))
-         (add-after 'fixgcc7 'get-rid-of-errors
+         (add-before 'configure 'get-rid-of-errors
            (lambda _
              ;; Don't treat warnings as errors.
              (substitute* "CMakeLists.txt"
-               (("-Werror") "")))))))
+               (("-Werror") ""))
+             #t)))))
     (inputs `(("curl" ,curl)
               ("fontconfig" ,fontconfig)
               ("freetype" ,freetype)
@@ -2747,8 +2743,7 @@ Transport Tycoon Deluxe.")
               ("speexdsp" ,speexdsp)
               ("zlib" ,zlib)))
     (native-inputs
-     `(("gcc" ,gcc-7)
-       ("pkg-config" ,pkg-config)))
+     `(("pkg-config" ,pkg-config)))
     (home-page "https://github.com/OpenRCT2/OpenRCT2")
     (synopsis "Free software re-implementation of RollerCoaster Tycoon 2")
     (description "OpenRCT2 is a free software re-implementation of
@@ -3772,7 +3767,8 @@ throwing people around in pseudo-randomly generated buildings.")
          (add-after 'set-paths 'set-sdl-paths
            (lambda* (#:key inputs #:allow-other-keys)
              (setenv "CPATH"
-                     (string-append (assoc-ref inputs "sdl-union")
+                     (string-append (getenv "CPATH") ":"
+                                    (assoc-ref inputs "sdl-union")
                                     "/include/SDL"))))
          (replace 'configure
            (lambda* (#:key inputs outputs #:allow-other-keys)
@@ -4785,7 +4781,7 @@ fight against their plot and save his fellow rabbits from slavery.")
        ("zlib" ,zlib)))
     (native-inputs
      `(("boost" ,boost)
-       ("cmake" ,cmake)
+       ("cmake" ,cmake-minimal)
        ("mesa" ,mesa)
        ("pkg-config" ,pkg-config)
        ("python-2" ,python-2)))
@@ -5278,7 +5274,7 @@ making Yamagi Quake II one of the most solid Quake II implementations available.
      `(("qtbase" ,qtbase)
        ("qtsvg" ,qtsvg)))
     (native-inputs
-     `(("cmake" ,cmake)
+     `(("cmake" ,cmake-minimal)
        ("gettext-minimal" ,gettext-minimal)
        ("qttools" ,qttools)))
     (synopsis "Realistic physics puzzle game")