From c117cd8a85049ec34461353c91c7f29ed1174c74 Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Fri, 9 Apr 2021 12:32:05 +0200
Subject: [PATCH] add comment indicating supported platforms of makefile.shared

---
 makefile.shared | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/makefile.shared b/makefile.shared
index 53a05dc8..182be80a 100644
--- a/makefile.shared
+++ b/makefile.shared
@@ -15,6 +15,14 @@
 #
 
 PLATFORM := $(shell uname | sed -e 's/_.*//')
+### Observed uname outputs:
+# MINGW32_NT-6.2          (on MSYS/MINGW old)
+# MINGW64_NT-10.0-14393   (on MSYS new)
+# MSYS_NT-10.0-19042      (on MSYS2)
+# CYGWIN_NT-10.0          (on Cygwin 64bit)
+# CYGWIN_NT-6.2-WOW64     (on Cygwin 32bit)
+# Linux                   (on all Linux distros)
+# Darwin                  (on macOS, OS X)
 
 ifeq ($(LIBTOOL),rlibtool)
   TGTLIBTOOL:=slibtool-shared