Add test programs nad compile them in CI; fix gurobi finder

.gitlab-ci.yml

@@ -9,7 +9,8 @@ test-linux:
   script:
     - mkdir build
     - cd build
-    - cmake ../CI
+    - cmake ../CI -G Ninja
+    - ninja
 
 
 test-windows:
@@ -18,5 +19,7 @@ test-windows:
   script:
     - mkdir build
     - cd build
-    - cmake ../CI
+    - cmake ../CI -G "NMake Makefiles"
+    - nmake
+  allow_failure: true
 

CI/CMakeLists.txt

@@ -21,3 +21,6 @@ find_package(Gurobi )
 
 find_package(GMM REQUIRED)
 find_package(Gurobi REQUIRED)
+
+add_subdirectory(tests)
+

CI/tests/CMakeLists.txt

+file(GLOB tests 
+    RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}"
+    CONFIGURE_DEPENDS
+    "${CMAKE_CURRENT_SOURCE_DIR}/*")
+
+foreach(test ${tests})
+    if(IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/${test}")
+        message(STATUS "add_subdirectory(${test})")
+        add_subdirectory("${test}")
+    endif()
+endforeach()

CI/tests/Gurobi/CMakeLists.txt

+add_executable(test_c "test_c.c")
+target_link_libraries(test_c Gurobi::Gurobi)
+
+add_executable(test_cxx "test_cxx.cc")
+target_link_libraries(test_cxx Gurobi::GurobiCXX)

CI/tests/Gurobi/test_c.c

+#include <gurobi_c.h>
+
+int main(int argc, char *argv[])
+{
+    int major, minor, technical;
+    GRBversion(&major, &minor, &technical);
+    return 0;
+}

CI/tests/Gurobi/test_cxx.cc

+#include <gurobi_c++.h>
+
+int main(int argc, char *argv[])
+{
+    GRBEnv env;
+    GRBModel model {env};
+    return 0;
+}

finders/FindGurobi.cmake

@@ -79,7 +79,8 @@ if(NOT TARGET Gurobi::GurobiCXX)
             target_compile_definitions(GurobiCXX PRIVATE "WIN64")
         endif()
 
-        target_include_directories(GurobiCXX PRIVATE ${GUROBI_INCLUDE_DIR})
+        target_include_directories(GurobiCXX PUBLIC ${GUROBI_INCLUDE_DIR})
+        target_link_libraries(GurobiCXX PUBLIC ${GUROBI_LIBRARY})
         # We need to be able to link this into a shared library:
         set_target_properties(GurobiCXX PROPERTIES POSITION_INDEPENDENT_CODE ON)
 
@@ -103,7 +104,7 @@ mark_as_advanced(GUROBI_INCLUDE_DIR GUROBI_LIBRARY GUROBI_CXX_LIBRARY GUROBI_BIN
 
 if(GUROBI_FOUND AND NOT TARGET Gurobi::Gurobi)
     add_library(Gurobi::GurobiC INTERFACE IMPORTED)
-    target_include_directories(Gurobi::GurobiC INTERFACE ${GMM_INCLUDE_DIR})
+    target_include_directories(Gurobi::GurobiC INTERFACE ${GUROBI_INCLUDE_DIR})
     target_link_libraries(Gurobi::GurobiC INTERFACE ${GUROBI_LIBRARY})
 
     add_library(Gurobi::Gurobi INTERFACE IMPORTED)