Merge pull request #49 from realm/mar/static-library

Build both dynamic and static libraries of the object store

Author: bdash

.gitignore

@@ -9,5 +9,6 @@ cmake_install.cmake
 rules.ninja
 
 # Build products
-src/librealm-object-store.*
+src/librealm-object-store.dylib
+src/librealm-object-store-static.a
 tests/tests

CMakeLists.txt

@@ -13,7 +13,7 @@ include(RealmCore)
 set(REALM_CORE_VERSION "0.100.1" CACHE STRING "")
 use_realm_core(${REALM_CORE_VERSION})
 
-include_directories(${REALM_CORE_INCLUDE_DIR} src external/pegtl)
+set(PEGTL_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/external/pegtl)
 
 add_subdirectory(src)
 add_subdirectory(tests)

src/CMakeLists.txt

@@ -55,5 +55,20 @@ else()
         impl/generic/external_commit_helper.hpp)
 endif()
 
-add_library(realm-object-store SHARED ${SOURCES} ${HEADERS})
-target_link_libraries(realm-object-store realm ${CF_LIBRARY})
+set(INCLUDE_DIRS ${REALM_CORE_INCLUDE_DIR} ${PEGTL_INCLUDE_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
+
+# An object library to group together the compilation of the source files.
+add_library(realm-object-store-objects OBJECT ${SOURCES} ${HEADERS})
+add_dependencies(realm-object-store-objects realm)
+set_target_properties(realm-object-store-objects PROPERTIES POSITION_INDEPENDENT_CODE 1)
+target_include_directories(realm-object-store-objects PUBLIC ${INCLUDE_DIRS})
+
+# A static library, aggregating the prebuilt object files.
+add_library(realm-object-store-static STATIC $<TARGET_OBJECTS:realm-object-store-objects>)
+target_include_directories(realm-object-store-static PUBLIC ${INCLUDE_DIRS})
+target_link_libraries(realm-object-store-static PUBLIC realm ${CF_LIBRARY})
+
+# A dynamic library, linking together the prebuilt object files.
+add_library(realm-object-store SHARED $<TARGET_OBJECTS:realm-object-store-objects>)
+target_include_directories(realm-object-store PUBLIC ${INCLUDE_DIRS})
+target_link_libraries(realm-object-store PRIVATE realm ${CF_LIBRARY})