[gimp/wip/schumaml/crossraods-optimization] gitlab-ci: set up environment variables to have gegl find babl

[Michael Schumacher <schumaml src gnome org>]

commit d53a1356d5dbaf55c16d85e8f7420057f6cc6e38
Author: Michael Schumacher <schumaml gmx de>
Date:   Thu Dec 3 18:09:33 2020 +0100

    gitlab-ci: set up environment variables to have gegl find babl

 .gitlab-ci.yml | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e2c6115f0b..24b15d77d3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -197,9 +197,13 @@ deps-win64:
   stage: dependencies
   image: $CI_REGISTRY_IMAGE:build-win64-latest
   variables:
-    XDG_CACHE_HOME: "$CI_PROJECT_DIR/.cache/"
-    XDG_DATA_HOME:  "/usr/local/lib/"
-    PREFIX:         "$CI_PROJECT_DIR/.local/"
+    XDG_CACHE_HOME:  "$CI_PROJECT_DIR/.cache/"
+    XDG_DATA_HOME:   "/usr/local/lib/"
+    PREFIX:          "$CI_PROJECT_DIR/.local/"
+    PATH:            "$PREFIX/bin:$PATH"
+    PKG_CONFIG_PATH: "$PREFIX/share/pkgconfig:$PREFIX/lib/pkgconfig:$PKG_CONFIG_PATH"
+    LD_LIBRARY_PATH: "$PREFIX/lib/:$PREFIX/lib:$LD_LIBRARY_PATH"
+    XDG_DATA_DIRS:   "$PREFIX/share/:$XDG_DATA_DIRS"
   cache:
     paths:
     - .cache/crossroad/
@@ -260,9 +264,13 @@ deps-win32:
   stage: dependencies
   image: $CI_REGISTRY_IMAGE:build-win32-latest
   variables:
-    XDG_CACHE_HOME: "$CI_PROJECT_DIR/.cache/"
-    XDG_DATA_HOME:  "/usr/local/lib/"
-    PREFIX:         "$CI_PROJECT_DIR/.local/"
+    XDG_CACHE_HOME:  "$CI_PROJECT_DIR/.cache/"
+    XDG_DATA_HOME:   "/usr/local/lib/"
+    PREFIX:          "$CI_PROJECT_DIR/.local/"
+    PATH:            "$PREFIX/bin:$PATH"
+    PKG_CONFIG_PATH: "$PREFIX/share/pkgconfig:$PREFIX/lib/pkgconfig:$PKG_CONFIG_PATH"
+    LD_LIBRARY_PATH: "$PREFIX/lib/:$PREFIX/lib:$LD_LIBRARY_PATH"
+    XDG_DATA_DIRS:   "$PREFIX/share/:$XDG_DATA_DIRS"
   cache:
     paths:
     - .cache/crossroad/