Add note about popen2 problem on Linux noticed by Pablo Bleyer.

diff --git a/README b/README
index 8b31ca19ea7bb463dd53a07af24a80c83d4bec43..c16a59aa7175c2972d4afe74341e64d94ab07196 100644 (file)
--- a/README
+++ b/README
@@ -193,6 +193,12 @@ Linux:  On Linux version 1.x, once you've built Python, use it to run
        to fail as well, so their removal is a good idea regardless of
        how you configure python.
 
+       More recently, a problem with threads and fork() was tracked
+       down to a bug in the pthreads code in glibc version 2.0.5;
+       glibc version 2.0.7 solves the problem.  This causes the
+       popen2 test to fail; problem and solution reported by Pablo
+       Bleyer.
+
        Also under RedHat Linux 5.0, the crypt module now needs the
        -lcrypt option.  Uncomment this flag in Modules/Setup, or
        comment out the crypt module in the same file.