Added a script for checking different configurations of LibUCW

Adapted from Sherlock's check-customs.

diff --git a/debug/check-configs b/debug/check-configs
new file mode 100755 (executable)
index 0000000..2746fd1
--- /dev/null
+++ b/debug/check-configs
@@ -0,0 +1,61 @@
+#!/bin/bash
+# A script for testing compilability of different configurations
+# (c) 2004--2010 Martin Mares <mj@ucw.cz>
+
+set -e
+
+TEST=0
+ERR=
+CC=${CC:-gcc}
+MAKEOPTS=${MAKEOPTS:--j8}
+
+function die
+{
+       echo >&3 "      $@"
+       exit 1
+}
+
+function try
+{
+       TEST=$(($TEST+1))
+       TDIR=tests/$TEST
+       mkdir $TDIR
+       echo "### Test $TEST: $@ ###" | tee $TDIR/log
+       CONFIG="$1"
+       shift
+       ARGS="$@ CC=$CC"
+
+       (
+               cd $TDIR
+               exec 3>&2 >>log 2>&1
+               case $CONFIG in
+                       *)                      ../../configure $CONFIG $ARGS || die "CANNOT CONFIGURE"
+                                               ;;
+               esac
+               make $MAKEOPTS || die FAILED
+               echo >&3 "      COMPILATION PASSED"
+               if [ -z "$SKIP_TESTS" ] ; then
+                       make -k tests || die "TESTS FAILED"
+                       echo >&3 "      TESTS PASSED"
+               fi
+       ) || ERR=1
+}
+
+rm -rf tests
+mkdir tests
+if [ "$1" == DARWIN ] ; then
+       # All tests on Darwin need CONFIG_SHARED, due to libcharset collision
+       # only visible with static linking.
+       FLAGS="CONFIG_SHARED"
+       try debug/default.cfg $FLAGS CONFIG_PCRE                                        # `make tests' does not work with non-local builds with shared libs
+elif [ -n "$1" ] ; then
+       try "$@"
+else
+       try default.cfg CONFIG_LOCAL
+       try debug/default.cfg                                                           # debugging configuration
+       try debug/default.cfg -CONFIG_THREADS                                           # non-threaded configuration
+       try debug/default.cfg -CONFIG_UCW_TLS                                           # threaded, but no TLS support in gcc
+       try debug/default.cfg -CONFIG_EPOLL                                             # without epoll
+fi
+
+[ -z "$ERR" ]