BSD make fails; note gmake in readme

diff --git a/math/README b/math/README
index 1093cc4..90978de 100644 (file)
--- a/math/README
+++ b/math/README
@@ -16,3 +16,7 @@ texvc output format is like that:
 %5 - md5, 32 hex characters
 %h - html code, without \0 characters
 %m - mathml code, without \0 characters
+
+
+
+(GNU make is required to compile; if 'make' fails, try 'gmake'.)
\ No newline at end of file