DOC: update INSTALL to mention that TCC is supported
TinyCC as found at https://repo.or.cz/tinycc.git does work to some extents
and is very convenient for developers, so let's mention it.
diff --git a/INSTALL b/INSTALL
index 2ae98bf..32cf5d9 100644
--- a/INSTALL
+++ b/INSTALL
@@ -96,6 +96,11 @@
your operating system is very likely to work with no trouble. Clang >= 3.0
is also known to work as an alternative solution. Recent versions may emit
a bit more warnings that are worth reporting as they may reveal real bugs.
+ TCC (https://repo.or.cz/tinycc.git) is also usable for developers but will
+ not support threading and was found at least once to produce bad code in
+ some rare corner cases (since fixed). But it builds extremely quickly
+ (typically half a second for the whole project) and is very convenient to
+ run quick tests during API changes or code refactoring.
- GNU ld (binutils package), with no particular version. Other linkers might
work but were not tested.