cpp/src/sqlite/CMakeLists.txt

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find_package(SQLite3 3.31 REQUIRED)

# Apple's SDK SQLite header disables extension loading. Require headers from
# the same extension-capable SQLite installation used by the application.
include(CheckCXXSourceCompiles)
set(_tsfile_saved_required_includes "${CMAKE_REQUIRED_INCLUDES}")
set(CMAKE_REQUIRED_INCLUDES "${SQLite3_INCLUDE_DIRS}")
unset(TSFILE_SQLITE_CAN_LOAD_EXTENSIONS CACHE)
check_cxx_source_compiles("
#include <sqlite3ext.h>
#ifdef SQLITE_OMIT_LOAD_EXTENSION
#error SQLite extension loading is disabled
#endif
int main() { return 0; }
" TSFILE_SQLITE_CAN_LOAD_EXTENSIONS)
set(CMAKE_REQUIRED_INCLUDES "${_tsfile_saved_required_includes}")
if (NOT TSFILE_SQLITE_CAN_LOAD_EXTENSIONS)
    message(FATAL_ERROR "SQLite headers disable extension loading. Set SQLite3_INCLUDE_DIR and SQLite3_LIBRARY to an extension-capable SQLite installation (for example Homebrew SQLite on macOS).")
endif ()

add_library(tsfile_sqlite MODULE tsfile_sqlite.cc)
target_include_directories(tsfile_sqlite PRIVATE
        ${CMAKE_SOURCE_DIR}/src
        ${SQLite3_INCLUDE_DIRS})
target_link_libraries(tsfile_sqlite PRIVATE tsfile)
set_target_properties(tsfile_sqlite PROPERTIES
        PREFIX ""
        OUTPUT_NAME "tsfile_sqlite"
        LIBRARY_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_PATH})

if (APPLE)
    set_target_properties(tsfile_sqlite PROPERTIES
            SUFFIX ".dylib"
            BUILD_RPATH "@loader_path"
            INSTALL_RPATH "@loader_path")
else ()
    set_target_properties(tsfile_sqlite PROPERTIES
            BUILD_RPATH "$ORIGIN"
            INSTALL_RPATH "$ORIGIN")
endif ()

install(TARGETS tsfile_sqlite
        LIBRARY DESTINATION ${LIBRARY_OUTPUT_PATH})