Fix loongarch64 emulated tests.

ci/build.linux.gitlab-ci.yml

@@ -313,12 +313,13 @@ build:linux:cross:loongarch64:gcc-14:default:
   extends: .build:linux:cross:loongarch64
   image: ubuntu:24.04
   variables:
-    EIGEN_CI_C_COMPILER: gcc-14
-    EIGEN_CI_CXX_COMPILER: g++-14
-    EIGEN_CI_CROSS_INSTALL: g++-14-loongarch64-linux-gnu gcc-14-loongarch64-linux-gnu
+    EIGEN_CI_CROSS_INSTALL: g++-14-loongarch64-linux-gnu
     EIGEN_CI_CROSS_C_COMPILER: loongarch64-linux-gnu-gcc-14
     EIGEN_CI_CROSS_CXX_COMPILER: loongarch64-linux-gnu-g++-14
-    EIGEN_CI_ADDITIONAL_ARGS: "-DEIGEN_TEST_LSX=on"
+    EIGEN_CI_ADDITIONAL_ARGS: >-
+      -DCMAKE_SYSTEM_NAME=Linux
+      -DCMAKE_CROSSCOMPILING_EMULATOR=qemu-loongarch64-static;-L;/usr/loongarch64-linux-gnu
+      -DEIGEN_TEST_LSX=on
 
 ######## MR Smoke Tests ########################################################
 

ci/common.gitlab-ci.yml

@@ -17,6 +17,7 @@
     # Call script in current shell - it sets up some environment variables.
     - . ci/scripts/common.linux.before_script.sh
   artifacts:
+    when: always
     name: "$CI_JOB_NAME_SLUG-$CI_COMMIT_REF_SLUG"
     paths:
       - ${EIGEN_CI_BUILDDIR}/
@@ -32,6 +33,7 @@
   before_script:
      - . ci/scripts/common.windows.before_script.ps1
   artifacts:
+    when: always
     name: "$CI_JOB_NAME_SLUG-$CI_COMMIT_REF_NAME"
     paths:
       - ${EIGEN_CI_BUILDDIR}/

ci/test.linux.gitlab-ci.yml

@@ -424,8 +424,6 @@ test:linux:ppc64le:clang-12:default:unsupported:
     EIGEN_CI_CROSS_TARGET_TRIPLE: loongarch64-linux-gnu
     # Install QEMU and set up the execution environment in the image
     EIGEN_CI_CROSS_INSTALL: g++-14-loongarch64-linux-gnu qemu-user-static
-    EIGEN_CI_BEFORE_SCRIPT: "ln -sf /usr/loongarch64-linux-gnu/lib64/ld-linux-loongarch-lp64d.so.1  /lib64/ld-linux-loongarch-lp64d.so.1 && \
-                             export LD_LIBRARY_PATH=/usr/loongarch64-linux-gnu/lib:$LD_LIBRARY_PATH"
   tags:
     - eigen-runner
     - linux