Building vtkioss fails due to undefined references to pthread library
- Paraview version: 5.9.0
- System: Linux x86_64 (openSUSE Tumbleweed)
When building paraview, we see errors when compiling vtkioss due to the pthread library not being linked explicitly. This may be due to openSUSE linker flags using -Wl,--no-undefined by default. We need the following patch to get vtkioss linking properly to pthread:
Index: ParaView-v5.9.0/VTK/ThirdParty/ioss/vtkioss/CMakeLists.txt
===================================================================
--- ParaView-v5.9.0.orig/VTK/ThirdParty/ioss/vtkioss/CMakeLists.txt
+++ ParaView-v5.9.0/VTK/ThirdParty/ioss/vtkioss/CMakeLists.txt
@@ -231,6 +231,8 @@ list(APPEND headers
vtk_ioss_mangle.h)
+vtk_module_find_package(PACKAGE Threads)
+
vtk_module_add_module(VTK::ioss
SOURCES ${sources}
PRIVATE_HEADERS ${headers})
@@ -238,3 +240,7 @@ vtk_module_definitions(VTK::ioss
PRIVATE
NO_ZOLTAN_SUPPORT
NO_PARMETIS_SUPPORT)
+vtk_module_link(VTK::ioss
+ PRIVATE
+ Threads::Threads)
+
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