Merge pull request #2008 from bilke/cmake-conan-fix

Cmake conan fix

Jenkinsfile

@@ -230,7 +230,8 @@ pipeline {
               publishReports { }
               warnings(canResolveRelativePaths: false,
                   consoleParsers: [[parserName: 'MSBuild']],
-                  messagesPattern: '.*\\.conan.*')
+                  excludePattern: '.*\\.conan.*',
+                  messagesPattern: '.*QVTK.*')
             }
             failure {
                 dir('build') { deleteDir() }

scripts/cmake/ConanSetup.cmake

@@ -102,3 +102,8 @@ conan_cmake_run(REQUIRES ${CONAN_REQUIRES}
                 UPDATE
                 BUILD ${OGS_CONAN_BUILD}
 )
+
+if(NOT ${OGS_CONAN_BUILD} MATCHES "never|always|missing")
+    message(STATUS "Warning: Resetting CMake variable OGS_CONAN_BUILD to its default value of 'missing'")
+    set(OGS_CONAN_BUILD "missing" CACHE INTERNAL "")
+endif()