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

cmake/EigenTesting.cmake

@@ -33,7 +33,7 @@ macro(ei_add_test_internal testname testname_with_suffix)
       set_property(TARGET ${targetname} PROPERTY HIP_ARCHITECTURES gfx900 gfx906 gfx908 gfx90a gfx940 gfx941 gfx942 gfx1030)
     elseif(EIGEN_TEST_CUDA_CLANG)
       set_source_files_properties(${filename} PROPERTIES LANGUAGE CXX)
-      
+
       if(CUDA_64_BIT_DEVICE_CODE AND (EXISTS "${CUDA_TOOLKIT_ROOT_DIR}/lib64"))
         link_directories("${CUDA_TOOLKIT_ROOT_DIR}/lib64")
       else()
@@ -54,7 +54,7 @@ macro(ei_add_test_internal testname testname_with_suffix)
   endif()
 
   add_dependencies(buildtests ${targetname})
-  
+
   if (is_gpu_test)
     add_dependencies(buildtests_gpu ${targetname})
   endif()
@@ -107,7 +107,7 @@ macro(ei_add_test_internal testname testname_with_suffix)
     endif()
   endif()
 
-  add_test(${testname_with_suffix} "${targetname}")
+  add_test(NAME ${testname_with_suffix} COMMAND "${targetname}")
 
   # Specify target and test labels according to EIGEN_CURRENT_SUBPROJECT
   get_property(current_subproject GLOBAL PROPERTY EIGEN_CURRENT_SUBPROJECT)
@@ -120,7 +120,7 @@ macro(ei_add_test_internal testname testname_with_suffix)
     # Add gpu tag for testing only GPU tests.
     set_property(TEST ${testname_with_suffix} APPEND PROPERTY LABELS "gpu")
   endif()
-  
+
   if(EIGEN_SYCL)
     # Force include of the SYCL file at the end to avoid errors.
     set_property(TARGET ${targetname} PROPERTY COMPUTECPP_INCLUDE_AFTER 1)
@@ -237,6 +237,11 @@ macro(ei_add_failtest testname)
   add_test(NAME ${test_target_ko}
           COMMAND ${CMAKE_COMMAND} --build . --target ${test_target_ko} --config $<CONFIG>
           WORKING_DIRECTORY ${CMAKE_BINARY_DIR})
+  # Disable emulator if cross-compiling.
+  if (CMAKE_CROSSCOMPILING)
+    set_property(TEST ${test_target_ok} PROPERTY CROSSCOMPILING_EMULATOR "")
+    set_property(TEST ${test_target_ko} PROPERTY CROSSCOMPILING_EMULATOR "")
+  endif()
 
   # Expect the second test to fail
   set_tests_properties(${test_target_ko} PROPERTIES WILL_FAIL TRUE)
@@ -518,12 +523,12 @@ macro(ei_get_compilerver_from_cxx_version_string VERSTRING CNAME CVER)
         string(REGEX MATCH "[^0-9][0-9]+\\.[0-9]+" eicver ${VERSTRING})
         if (NOT eicver AND ei_has_mingw)
           # try to extract 1 number plus suffix:
-          string(REGEX MATCH "[^0-9][0-9]+-win32" eicver ${VERSTRING})          
+          string(REGEX MATCH "[^0-9][0-9]+-win32" eicver ${VERSTRING})
         endif()
       endif()
     endif()
   endif()
-  
+
   if (NOT eicver)
     set(eicver " _")
   endif()
@@ -653,7 +658,7 @@ endmacro()
 # The intention behind the existence of this macro is the size of Eigen's
 # testsuite. Together with the relatively big compile-times building all tests
 # can take a substantial amount of time depending on the available hardware.
-# 
+#
 # The last buildtestspartN target will build possible remaining tests.
 #
 # An example:
@@ -697,7 +702,7 @@ macro(ei_split_testsuite num_splits)
     endforeach()
     math(EXPR test_idx "${test_idx} + ${num_tests_per_target}")
   endforeach()
-  
+
   # Handle the possibly remaining tests
   math(EXPR test_idx "${num_splits} * ${num_tests_per_target}")
   math(EXPR target_bound "${eigen_test_count} - 1")
@@ -709,10 +714,10 @@ endmacro(ei_split_testsuite num_splits)
 
 # Defines the custom command buildsmoketests to build a number of tests
 # specified in smoke_test_list.
-# 
+#
 # Test in smoke_test_list can be either test targets (e.g. packetmath) or
 # subtests targets (e.g. packetmath_2). If any of the test are not available
-# in the current configuration they are just skipped. 
+# in the current configuration they are just skipped.
 #
 # All tests added via this macro are labeled with the smoketest label. This
 # allows running smoketests only using ctest.