shared libs

CMakeLists.txt

@@ -66,9 +66,6 @@ message(STATUS "Build Fortran: ${FORTRAN}")
 option(CSHARP "Build CSharp interface" OFF)
 message(STATUS "Build CSharp: ${CSHARP}")
 
-if (FORTRAN OR CSHARP)
-  set(BUILD_SHARED_LIBS ON)
-endif()
 
 option(PYTHON_BUILD_SETUP "Build Python interface from setup.py" OFF)
 message(STATUS "Build Python: ${PYTHON_BUILD_SETUP}")
@@ -143,7 +140,13 @@ if (BUILD_CXX)
   include(GNUInstallDirs)
 
   if(UNIX)
-    option(BUILD_SHARED_LIBS "Build shared libraries (.so or .dyld)." ON)
+    # Unix on by default, off for csharp on linux.
+    if (CSHARP AND (UNIX AND NOT APPLE))
+      option(BUILD_SHARED_LIBS "Build shared libraries  (.so or .dyld)." OFF)
+    else()
+      option(BUILD_SHARED_LIBS "Build shared libraries  (.so or .dyld)." ON)
+    endif()
+
     set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR})
     set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR})
     set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR})
@@ -155,7 +158,13 @@ if (BUILD_CXX)
       set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_${OUTPUTCONFIG} ${CMAKE_BINARY_DIR}/${OUTPUTCONFIG}/${CMAKE_INSTALL_BINDIR})
     endforeach()
   else()
-    option(BUILD_SHARED_LIBS "Build shared libraries (.dll)." OFF)
+    # Windows off by default, on for fortran and csharp.
+    if (FORTRAN OR CSHARP)
+      option(BUILD_SHARED_LIBS "Build shared libraries (.dll)." ON)
+    else()
+      option(BUILD_SHARED_LIBS "Build shared libraries (.dll)." OFF)
+    endif()
+
     set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR})
     set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR})
     set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR})
@@ -404,9 +413,6 @@ if(NOT FAST_BUILD OR CSHARP)
   if(CMAKE_CSharp_COMPILER)
     enable_language(CSharp)
     set(CSHARP_FOUND ON)
-    if (UNIX)
-      set(BUILD_SHARED_LIBS OFF)
-    endif()
   else()
     set(CSHARP_FOUND OFF)
   endif(CMAKE_CSharp_COMPILER)
@@ -678,10 +684,6 @@ else(FAST_BUILD)
   option(USE_DOTNET_STD_21 "Use .Net Standard 2.1 support" ON)
   message(STATUS ".Net: Use .Net Framework 2.1 support: ${USE_DOTNET_STD_21}")
 
-  if (CSHARP AND UNIX)
-      set(BUILD_SHARED_LIBS OFF)
-      message(STATUS "CSharp: shared libs ${BUILD_SHARED_LIBS}")
-  endif()
 
   include(dotnet)