From 7d38fa5f949f721113c3c36dea69adfc2394d1f2 Mon Sep 17 00:00:00 2001
From: Giacomo Fiorin <giacomo.fiorin@gmail.com>
Date: Sun, 10 Sep 2023 18:16:59 -0400
Subject: [PATCH] Static linkage with Visual Studio in CI

---
 cmake/CMakeLists.txt | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 6693bfa4a..450402003 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -45,9 +45,15 @@ option(COLVARS_LEPTON "Build and link the Lepton library" ${COLVARS_LEPTON_DEFAU
 
 file(GLOB COLVARS_SOURCES ${COLVARS_SOURCE_DIR}/src/[^.]*.cpp)
 
-add_library(colvars ${COLVARS_SOURCES})
-if(BUILD_SHARED_LIBS)
-  set_property(TARGET colvars PROPERTY POSITION_INDEPENDENT_CODE 1)
+if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+  # Avoid having to export all the relevant symbols
+  set(BUILD_SHARED_LIBS OFF)
+  add_library(colvars STATIC ${COLVARS_SOURCES})
+else()
+  add_library(colvars ${COLVARS_SOURCES})
+  if(BUILD_SHARED_LIBS)
+    set_property(TARGET colvars PROPERTY POSITION_INDEPENDENT_CODE 1)
+  endif()
 endif()
 
 target_compile_options(colvars PRIVATE $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>,$<CXX_COMPILER_ID:GNU>,$<CXX_COMPILER_ID:Intel>>:-Wall -pedantic>)