Improve gitlab-ci script

.gitlab-ci.yml

@@ -3,6 +3,8 @@ before_script: &before
   - duneci-install-module https://gitlab.dune-project.org/extensions/dune-alugrid.git
   - duneci-install-module https://gitlab.dune-project.org/extensions/dune-foamgrid.git
   - duneci-install-module https://gitlab.dune-project.org/extensions/dune-vtk.git
+  - git config --global url."https://ci:${NANOFLANN_ACCESS_TOKEN}@gitlab.dune-project.org/simon.praetorius/nanoflann.git".insteadOf https://github.com/jlblancoc/nanoflann.git
+  - git clone https://ci:${ALGLIB_ACCESS_TOKEN}@gitlab.dune-project.org/simon.praetorius/alglib.git /duneci/libs/alglib
 
 
 #  Tests with the 2.10 release.
@@ -12,6 +14,7 @@ dune:2.10 gcc-10 C++20:
   tags: [duneci]
   variables:
     DUNECI_BRANCH: releases/2.10
+    DUNECI_CMAKE_FLAGS: -Dalglib_SOURCE_DIR=/duneci/libs/alglib/src
   before_script:
   - *before
   script: duneci-standard-test
@@ -21,6 +24,7 @@ dune:2.10 clang-11 C++20:
   tags: [duneci]
   variables:
     DUNECI_BRANCH: releases/2.10
+    DUNECI_CMAKE_FLAGS: -Dalglib_SOURCE_DIR=/duneci/libs/alglib/src
   before_script:
   - *before
   script: duneci-standard-test
@@ -31,6 +35,8 @@ dune:2.10 clang-11 C++20:
 dune:git gcc-12 C++20:
   image: registry.dune-project.org/docker/ci/dune:git-debian-12-gcc-12-20
   tags: [duneci]
+  variables:
+    DUNECI_CMAKE_FLAGS: -Dalglib_SOURCE_DIR=/duneci/libs/alglib/src
   before_script:
   - *before
   script: duneci-standard-test
@@ -38,6 +44,8 @@ dune:git gcc-12 C++20:
 dune:git clang-13 C++20:
   image: registry.dune-project.org/docker/ci/dune:git-debian-11-clang-13-20
   tags: [duneci]
+  variables:
+    DUNECI_CMAKE_FLAGS: -Dalglib_SOURCE_DIR=/duneci/libs/alglib/src
   before_script:
   - *before
   script: duneci-standard-test
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