diff options
Diffstat (limited to 'man7')
| -rw-r--r-- | man7/feature_test_macros.7 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/man7/feature_test_macros.7 b/man7/feature_test_macros.7 index 3787e70b75..ed386a530a 100644 --- a/man7/feature_test_macros.7 +++ b/man7/feature_test_macros.7 @@ -328,6 +328,15 @@ is also defined). Use .B _DEFAULT_SOURCE instead. +To allow code that requires +.BR _BSD_SOURCE +in glibc 2.19 and earlier and +.BR _DEFAULT_SOURCE +in glibc 2.20 and later to compile without warnings, define +.I both +.B _BSD_SOURCE +and +.BR _DEFAULT_SOURCE . .TP .BR _SVID_SOURCE " (deprecated since glibc 2.20)" Defining this macro with any value causes header files to expose |