Method: Sqlite3::ExtConf.configure_extension

Defined in:
ext/sqlite3/extconf.rb

.configure_extension ⇒ Object 



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# File 'ext/sqlite3/extconf.rb', line 105

def configure_extension
  append_cflags("-fvisibility=hidden") # see https://github.com/rake-compiler/rake-compiler-dock/issues/87

  if find_header("sqlite3.h")
    # noop
  elsif sqlcipher? && find_header("sqlcipher/sqlite3.h")
    append_cppflags("-DUSING_SQLCIPHER_INC_SUBDIR")
  else
    abort_could_not_find("sqlite3.h")
  end

  abort_could_not_find(libname) unless find_library(libname, "sqlite3_libversion_number", "sqlite3.h")

  # Truffle Ruby doesn't support this yet:
  # https://github.com/oracle/truffleruby/issues/3408
  have_func("rb_enc_interned_str_cstr")

  # Functions defined in 1.9 but not 1.8
  have_func("rb_proc_arity")

  # Functions defined in 2.1 but not 2.0
  have_func("rb_integer_pack")

  # These functions may not be defined
  have_func("sqlite3_initialize")
  have_func("sqlite3_backup_init")
  have_func("sqlite3_column_database_name")
  have_func("sqlite3_enable_load_extension")
  have_func("sqlite3_load_extension")

  unless have_func("sqlite3_open_v2") # https://www.sqlite.org/releaselog/3_5_0.html
    abort("\nPlease use a version of SQLite3 >= 3.5.0\n\n")
  end

  have_func("sqlite3_prepare_v2")
  have_func("sqlite3_db_name", "sqlite3.h") # v3.39.0
  have_func("sqlite3_error_offset", "sqlite3.h") # v3.38.0

  have_type("sqlite3_int64", "sqlite3.h")
  have_type("sqlite3_uint64", "sqlite3.h")
end