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| -rw-r--r-- | README | 13 |
1 files changed, 12 insertions, 1 deletions
@@ -8,10 +8,21 @@ to support older versions of C than C99. Macro definitions: - _SLIBC_SOURCE -- Enable slibc extensions. + _SLIBC_SOURCE -- Enable slibc extensions. These extensions + are usually extensions introduced in other + C libraries, but are considered good extensions. _GNU_SOURCE -- Enable glibc extensions (GNU extensions.) _BSD_SOURCE -- Enable BSD extensions. _SLIBC_SUPPRESS_WARNINGS -- Suppress all #warning, this is primarily intended to be used when compiling slibc. _PORTABLE_SOURCE -- Unconditionally disable all extensions. + +slibc provides some slib-specific extensions that +do not require _SLIBC_SOURCE. (They are however +disabled if _PORTABLE_SOURCE is defined.) These +extensions are defined in header files whose +name starts with `slibc-`. Headers starting with +`slibc/` are not extensions, those are internals +that may change at any time. + |