1# Customization Points
2
3The custom directory is an injection point for custom user configurations.
4
5## Header `gtest.h`
6
7### The following macros can be defined:
8
9*   `GTEST_OS_STACK_TRACE_GETTER_` - The name of an implementation of
10    `OsStackTraceGetterInterface`.
11*   `GTEST_CUSTOM_TEMPDIR_FUNCTION_` - An override for `testing::TempDir()`. See
12    `testing::TempDir` for semantics and signature.
13
14## Header `gtest-port.h`
15
16The following macros can be defined:
17
18### Flag related macros:
19
20*   `GTEST_FLAG(flag_name)`
21*   `GTEST_USE_OWN_FLAGFILE_FLAG_` - Define to 0 when the system provides its
22    own flagfile flag parsing.
23*   `GTEST_DECLARE_bool_(name)`
24*   `GTEST_DECLARE_int32_(name)`
25*   `GTEST_DECLARE_string_(name)`
26*   `GTEST_DEFINE_bool_(name, default_val, doc)`
27*   `GTEST_DEFINE_int32_(name, default_val, doc)`
28*   `GTEST_DEFINE_string_(name, default_val, doc)`
29
30### Logging:
31
32*   `GTEST_LOG_(severity)`
33*   `GTEST_CHECK_(condition)`
34*   Functions `LogToStderr()` and `FlushInfoLog()` have to be provided too.
35
36### Threading:
37
38*   `GTEST_HAS_NOTIFICATION_` - Enabled if Notification is already provided.
39*   `GTEST_HAS_MUTEX_AND_THREAD_LOCAL_` - Enabled if `Mutex` and `ThreadLocal`
40    are already provided. Must also provide `GTEST_DECLARE_STATIC_MUTEX_(mutex)`
41    and `GTEST_DEFINE_STATIC_MUTEX_(mutex)`
42*   `GTEST_EXCLUSIVE_LOCK_REQUIRED_(locks)`
43*   `GTEST_LOCK_EXCLUDED_(locks)`
44
45### Underlying library support features
46
47*   `GTEST_HAS_CXXABI_H_`
48
49### Exporting API symbols:
50
51*   `GTEST_API_` - Specifier for exported symbols.
52
53## Header `gtest-printers.h`
54
55*   See documentation at `gtest/gtest-printers.h` for details on how to define a
56    custom printer.
57