Allow gmxapi Python package to build with all 2021 releases.

[alexxy/gromacs.git] / python_packaging / src / CMakeLists.txt

diff --git a/python_packaging/src/CMakeLists.txt b/python_packaging/src/CMakeLists.txt
index a389c415c737fdf7f3f8ccdf706b9c770a7aa63b..3cc138593877da16b9f4c492a63a02937f81e640 100644 (file)
--- a/python_packaging/src/CMakeLists.txt
+++ b/python_packaging/src/CMakeLists.txt
@@ -76,9 +76,13 @@ if(POLICY CMP0074) #3.12
 endif()
 
 if(GMXAPI_MASTER_PROJECT)
-    find_package(gmxapi 0.2.1 REQUIRED
+    find_package(gmxapi 0.2 REQUIRED
                  HINTS "$ENV{GROMACS_DIR}"
                  )
+    if (gmxapi_VERSION VERSION_LESS 0.2.1)
+        message(WARNING "Your GROMACS installation does not support custom MD plugins. "
+                "If you need this feature, please install GROMACS 2021.3 or higher.")
+    endif ()
 endif()
 if(gmxapi_FOUND)
     set(_suffix "")
@@ -132,6 +136,12 @@ pybind11_add_module(_gmxapi
                     ${GMXAPI_PYTHON_EXTENSION_SOURCES}
                     )
 
+if (gmxapi_VERSION VERSION_GREATER_EQUAL 0.2.1)
+    target_sources(_gmxapi PRIVATE gmxapi/launch_021.cpp)
+else()
+    target_sources(_gmxapi PRIVATE gmxapi/launch_020.cpp)
+endif()
+
 target_include_directories(_gmxapi PRIVATE
                            ${CMAKE_CURRENT_SOURCE_DIR}/gmxapi
                            ${CMAKE_CURRENT_BINARY_DIR}/gmxapi