Add mention to run thread test program if user is experiencing problems

with threaded applications.

diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml
index b1000feab0b24baad6a371067292049b18620b62..4fa8688e3ddd84dfbb50375d96e469d68a5643c3 100644 (file)
--- a/doc/src/sgml/libpq.sgml
+++ b/doc/src/sgml/libpq.sgml
@@ -1,5 +1,5 @@
 
 
  
@@ -3623,7 +3623,9 @@ If the permissions are less strict than this, the file will be ignored.
 addition, you might need to use additional compiler command-line
 options when you compile your application code.  Refer to your
 system's documentation for information about how to build
-thread-enabled applications.
+thread-enabled applications, or look in 
+src/Makefile.global for PTHREAD_CFLAGS
+and PTHREAD_LIBS.
 
 
 
@@ -3674,6 +3676,14 @@ its own SIGPIPE signal handler, it should call
 SIGPIPE signal. This function is available in both
 thread-safe and non-thread-safe versions of libpq.
 
+
+
+If you experience problems with threaded applications, run
+the program in src/tools/thread to see if your
+platform has thread-unsafe functions.  This program is run 
+by configure, but for binary distributions
+your library might not match the library used to build the binaries.
+