#!/bin/sh
#
# create specific link library for libpthread to avoid some linkage problems like double defined WinMain
#
# for example in "gcc -o test -lpthread main.o" WinMain is double defined 
# 

LIB_CYGWIN=/lib/libcygwin.a 
LIB_PTHREAD=/lib/libpthread.a 

# awk script for extracing gawk related object files 
GAWK='
$1 ~ /^d00/ { file = $1; gsub(":","",file); }
$3 ~ /^_pthread/ { print file; }
'

# make backup of pthread link library 
cp -f $LIB_PTHREAD $LIB_PTHREAD.org
rm -f $LIB_PTHREAD 

# extract pthread related object files 
nm $LIB_CYGWIN | gawk "$GAWK" | xargs ar x $LIB_CYGWIN 

# create new link library for pthread
ar cru $LIB_PTHREAD *.o
ranlib $LIB_PTHREAD 

# remove temporay files 
rm -f *.o