From 5169a7e852e7d18ec9ae4748535d309f5951c482 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Wed, 31 Mar 2021 15:35:28 +0200
Subject: [PATCH] smesh: [skip ci] build FEM & MeshPart with C++14 when using
 external smesh because it doesn't support C++17 yet

---
 src/Mod/Fem/App/CMakeLists.txt      | 8 +++++++-
 src/Mod/Fem/Gui/CMakeLists.txt      | 6 ++++++
 src/Mod/MeshPart/App/CMakeLists.txt | 6 ++++++
 src/Mod/MeshPart/Gui/CMakeLists.txt | 6 ++++++
 4 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/Mod/Fem/App/CMakeLists.txt b/src/Mod/Fem/App/CMakeLists.txt
index cb45f0ba19..aafd14d98a 100644
--- a/src/Mod/Fem/App/CMakeLists.txt
+++ b/src/Mod/Fem/App/CMakeLists.txt
@@ -176,7 +176,7 @@ SET(FemConstraints_SRCS
     FemConstraintContact.h
     FemConstraintTransform.cpp
     FemConstraintTransform.h
-    )
+)
 SOURCE_GROUP("Constraints" FILES ${FemConstraints_SRCS})
 
 
@@ -198,6 +198,12 @@ endif(FREECAD_USE_PCH)
 add_library(Fem SHARED ${Fem_SRCS})
 target_link_libraries(Fem ${Fem_LIBS} ${VTK_LIBRARIES})
 
+# external SMESH doesn't support C++17 yet
+if(FREECAD_USE_EXTERNAL_SMESH)
+    set_target_properties(Fem PROPERTIES CXX_STANDARD_REQUIRED ON)
+    set_target_properties(Fem PROPERTIES CXX_STANDARD 14)
+endif()
+
 
 SET_BIN_DIR(Fem Fem /Mod/Fem)
 SET_PYTHON_PREFIX_SUFFIX(Fem)
diff --git a/src/Mod/Fem/Gui/CMakeLists.txt b/src/Mod/Fem/Gui/CMakeLists.txt
index 0c9dc0b7ca..0b73d0ba66 100755
--- a/src/Mod/Fem/Gui/CMakeLists.txt
+++ b/src/Mod/Fem/Gui/CMakeLists.txt
@@ -394,6 +394,12 @@ SET(FemGuiIcon_SVG
 add_library(FemGui SHARED ${FemGui_SRCS} ${FemGuiIcon_SVG})
 target_link_libraries(FemGui ${FemGui_LIBS} ${VTK_LIBRARIES})
 
+# external SMESH doesn't support C++17 yet
+if(FREECAD_USE_EXTERNAL_SMESH)
+    set_target_properties(FemGui PROPERTIES CXX_STANDARD_REQUIRED ON)
+    set_target_properties(FemGui PROPERTIES CXX_STANDARD 14)
+endif()
+
 
 fc_copy_sources(FemGui "${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_DATADIR}/Mod/Fem" ${FemGuiIcon_SVG})
 
diff --git a/src/Mod/MeshPart/App/CMakeLists.txt b/src/Mod/MeshPart/App/CMakeLists.txt
index 939f566389..eb2fa0fd25 100644
--- a/src/Mod/MeshPart/App/CMakeLists.txt
+++ b/src/Mod/MeshPart/App/CMakeLists.txt
@@ -65,6 +65,12 @@ set(MeshPart_Scripts
 add_library(MeshPart SHARED ${MeshPart_SRCS} ${MeshPart_Scripts})
 target_link_libraries(MeshPart ${MeshPart_LIBS})
 
+# external SMESH doesn't support C++17 yet
+if(FREECAD_USE_EXTERNAL_SMESH)
+    set_target_properties(MeshPart PROPERTIES CXX_STANDARD_REQUIRED ON)
+    set_target_properties(MeshPart PROPERTIES CXX_STANDARD 14)
+endif()
+
 
 fc_target_copy_resource_flat(MeshPart
     ${CMAKE_CURRENT_SOURCE_DIR}
diff --git a/src/Mod/MeshPart/Gui/CMakeLists.txt b/src/Mod/MeshPart/Gui/CMakeLists.txt
index 92ccfdf9eb..c5bb5ddc2a 100644
--- a/src/Mod/MeshPart/Gui/CMakeLists.txt
+++ b/src/Mod/MeshPart/Gui/CMakeLists.txt
@@ -91,6 +91,12 @@ set(FLATMESH_PY_SRCS
 add_library(MeshPartGui SHARED ${MeshPartGui_SRCS} ${MeshPartGui_Scripts} ${FLATMESH_PY_SRCS})
 target_link_libraries(MeshPartGui ${MeshPartGui_LIBS})
 
+# external SMESH doesn't support C++17 yet
+if(FREECAD_USE_EXTERNAL_SMESH)
+    set_target_properties(MeshPartGui PROPERTIES CXX_STANDARD_REQUIRED ON)
+    set_target_properties(MeshPartGui PROPERTIES CXX_STANDARD 14)
+endif()
+
 
 SET_BIN_DIR(MeshPartGui MeshPartGui /Mod/MeshPart)
 SET_PYTHON_PREFIX_SUFFIX(MeshPartGui)