Optionally produce shared libraries

From PR #335.
earth-system-radiation · Jan 8, 2025 · af6c185 · af6c185
2 parents eb5616a + dd1fd43
commit af6c185
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Showing 5 changed files with 24 additions and 4 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -6,6 +6,7 @@ project(
   LANGUAGES Fortran
 )
 
+option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
 option(BUILD_TESTING "Build tests" OFF)
 
 option(RTE_ENABLE_SP "Enable single-precision floating-point model" OFF)

diff --git a/rrtmgp-frontend/CMakeLists.txt b/rrtmgp-frontend/CMakeLists.txt
@@ -1,7 +1,7 @@
 set(gas_optics_source_dir ${PROJECT_SOURCE_DIR}/gas-optics)
 
 add_library(
-  rrtmgp STATIC # cmake-format: sort
+  rrtmgp # cmake-format: sort
   $<TARGET_OBJECTS:rrtmgpkernels>
   ${gas_optics_source_dir}/mo_gas_concentrations.F90
   ${gas_optics_source_dir}/mo_gas_optics.F90
@@ -14,7 +14,13 @@ add_library(
 
 add_library(rte-rrtmgp::rrtmgp ALIAS rrtmgp)
 
-set_target_properties(rrtmgp PROPERTIES EXPORT_NAME rte-rrtmgp::rrtmgp)
+set_target_properties(
+  rrtmgp
+  PROPERTIES EXPORT_NAME rte-rrtmgp::rrtmgp
+             VERSION ${PROJECT_VERSION}
+             SOVERSION ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}
+             INSTALL_RPATH "${CMAKE_INSTALL_FULL_LIBDIR}"
+)
 
 target_include_directories(
   rrtmgp

diff --git a/rrtmgp-kernels/CMakeLists.txt b/rrtmgp-kernels/CMakeLists.txt
@@ -29,6 +29,10 @@ else()
   endif()
 endif()
 
+if(BUILD_SHARED_LIBS)
+  set_target_properties(rrtmgpkernels PROPERTIES POSITION_INDEPENDENT_CODE ON)
+endif()
+
 target_include_directories(
   rrtmgpkernels PRIVATE ${CMAKE_Fortran_MODULE_DIRECTORY}
 )

diff --git a/rte-frontend/CMakeLists.txt b/rte-frontend/CMakeLists.txt
@@ -1,5 +1,5 @@
 add_library(
-  rte STATIC # cmake-format: sort
+  rte # cmake-format: sort
   $<TARGET_OBJECTS:rtekernels>
   mo_fluxes.F90
   mo_optical_props.F90
@@ -12,7 +12,12 @@ add_library(
 
 add_library(rte-rrtmgp::rte ALIAS rte)
 
-set_target_properties(rte PROPERTIES EXPORT_NAME rte-rrtmgp::rte)
+set_target_properties(
+  rte
+  PROPERTIES EXPORT_NAME rte-rrtmgp::rte
+             VERSION ${PROJECT_VERSION}
+             SOVERSION ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}
+)
 
 target_include_directories(
   rte

diff --git a/rte-kernels/CMakeLists.txt b/rte-kernels/CMakeLists.txt
@@ -35,6 +35,10 @@ else()
   endif()
 endif()
 
+if(BUILD_SHARED_LIBS)
+  set_target_properties(rtekernels PROPERTIES POSITION_INDEPENDENT_CODE ON)
+endif()
+
 target_compile_definitions(
   rtekernels PRIVATE $<$<BOOL:${RTE_ENABLE_SP}>:RTE_USE_SP>
 )