disable intel system includes

fixes #8374

diff --git a/cmake/macros/macro_deal_ii_setup_target.cmake b/cmake/macros/macro_deal_ii_setup_target.cmake
index 716c00cdfa1ebcd20ca54cda73b391b78fdb9fcf..20f300da931f020df418997d1c4a37f8fdaf3899 100644 (file)
--- a/cmake/macros/macro_deal_ii_setup_target.cmake
+++ b/cmake/macros/macro_deal_ii_setup_target.cmake
@@ -103,7 +103,15 @@ MACRO(DEAL_II_SETUP_TARGET _target)
     SET(_build "RELEASE")
   ENDIF()
 
-  TARGET_INCLUDE_DIRECTORIES(${_target} SYSTEM PRIVATE ${DEAL_II_INCLUDE_DIRS})
+  IF(CMAKE_CXX_COMPILER_ID MATCHES "Intel")
+    # Intel (at least up to 19.0.5) confuses an external TBB installation with
+    # our selected one if we use -Isystem includes. Work around this by using
+    # normal includes.
+    # See https://github.com/dealii/dealii/issues/8374 for details.
+    TARGET_INCLUDE_DIRECTORIES(${_target} PRIVATE ${DEAL_II_INCLUDE_DIRS})
+  ELSE()
+    TARGET_INCLUDE_DIRECTORIES(${_target} SYSTEM PRIVATE ${DEAL_II_INCLUDE_DIRS})
+  ENDIF()
 
   SET_PROPERTY(TARGET ${_target} APPEND_STRING PROPERTY
     LINK_FLAGS " ${DEAL_II_LINKER_FLAGS} ${DEAL_II_LINKER_FLAGS_${_build}}"