Mention POSIX requirement in docs

maxmind · Aug 8, 2023 · 3081198 · 3081198
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diff --git a/README.md b/README.md
@@ -110,6 +110,11 @@ Or with [MacPorts](https://ports.macports.org/port/libmaxminddb):
 
     $ sudo port install libmaxminddb
 
+# Requirements
+
+libmaxminddb requires a minimum of POSIX.1-2001 support. If not specified
+at compilation time, it defaults to requesting POSIX.1-2008 support.
+
 # Bug Reports
 
 Please report bugs by filing an issue with our GitHub issue tracker at

diff --git a/doc/libmaxminddb.md b/doc/libmaxminddb.md
@@ -851,6 +851,11 @@ int main(int argc, char **argv)
 }
 ```
 
+# REQUIREMENTS
+
+libmaxminddb requires a minimum of POSIX.1-2001 support. If not specified
+at compilation time, it defaults to requesting POSIX.1-2008 support.
+
 # THREAD SAFETY
 
 This library is thread safe when compiled and linked with a thread-safe