diff -r 360eb996fa38 tools/check/check_crypto_lib
--- a/tools/check/check_crypto_lib	Wed Dec 13 16:13:26 2006 +0000
+++ b/tools/check/check_crypto_lib	Thu Dec 14 15:42:00 2006 +0100
@@ -1,11 +1,14 @@
-#!/bin/bash
+#!/bin/sh
 # CHECK-BUILD CHECK-INSTALL
 
-function error {
-    echo
-    echo "  *** Check for crypto library FAILED"
-    exit 1
-}
+RC=0
 
 set -e
-ldconfig -p | grep -q libcrypto.so || error
+ldconfig -v 2>&1 | grep -q libcrypto.so || RC=1
+
+if test ${RC} -ne 0; then
+        echo
+        echo " *** Check for crypto library FAILED"
+fi
+
+exit ${RC}
diff -r 360eb996fa38 tools/check/check_openssl_devel
--- a/tools/check/check_openssl_devel	Wed Dec 13 16:13:26 2006 +0000
+++ b/tools/check/check_openssl_devel	Thu Dec 14 15:45:32 2006 +0100
@@ -1,11 +1,14 @@
-#!/bin/bash
+#!/bin/sh
 # CHECK-BUILD
 
-function error {
-    echo
-    echo "  *** Check for openssl headers FAILED"
-    exit 1
-}
+RC=0
 
 set -e
-[ -e /usr/include/openssl/md5.h ] || error
+test -r /usr/include/openssl/md5.h || RC=1 
+
+if test ${RC} -ne 0; then
+	echo
+	echo " *** Check for openssl headers FAILED"
+fi
+
+exit ${RC}
diff -r 360eb996fa38 tools/check/check_python_devel
--- a/tools/check/check_python_devel	Wed Dec 13 16:13:26 2006 +0000
+++ b/tools/check/check_python_devel	Thu Dec 14 15:46:50 2006 +0100
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # CHECK-BUILD
 
 function error {
@@ -7,10 +7,19 @@ function error {
     exit 1
 }
 
+RC=0
+
 python -c '
 import os.path, sys
 for p in sys.path:
 	if os.path.exists(p + "/config/Makefile"):
 		sys.exit(0)
 sys.exit(1)
-' || error
+' || RC=1 
+
+if test ${RC} -ne 0; then
+	echo
+	echo " *** Check for python development environment FAILED"
+fi
+
+exit ${RC}
diff -r 360eb996fa38 tools/check/check_udev
--- a/tools/check/check_udev	Wed Dec 13 16:13:26 2006 +0000
+++ b/tools/check/check_udev	Thu Dec 14 16:28:56 2006 +0100
@@ -1,16 +1,33 @@
-#!/bin/bash
+#!/bin/sh
 # CHECK-INSTALL
 
-function error {
-   echo
-   echo '  *** Check for udev/hotplug FAILED'
-   exit 1
-}
-[ -x "$(which udevinfo)" ] && \
-  UDEV_VERSION=$(udevinfo -V | sed -e 's/^[^0-9]* \([0-9]\{1,\}\)[^0-9]\{0,\}/\1/')
+RC=0
 
-if [ -n "$UDEV_VERSION" ] && [ $UDEV_VERSION -ge 059 ]; then
-  exit 0
+case ${OS} in
+OpenBSD|NetBSD|FreeBSD)
+	TOOL="vnconfig"
+	which ${TOOL} 1>/dev/null 2>&1 || RC=1
+	;;
+Linux)
+	TOOL="udevinfo"
+	test -x "$(which ${TOOL})" && \
+		UDEV_VERSION=$(${TOOL} -V | sed -e 's/^[^0-9]* \([0-9]\{1,\}\)[^0-9]\{0,\}/\1/')
+	if test -n "${UDEV_VERSION}" -a ${UDEV_VERSION} -ge 059; then
+		RC=0
+	else
+		TOOL="hotplug"
+		which ${TOOL} 1>/dev/null 2>&1 || RC=1
+	fi
+	;;
+*)
+	TOOL=""
+	echo "Unknown OS" && RC=1
+	;;
+esac
+
+if test ${RC} -ne 0; then
+	echo
+	echo ' *** Check for ${TOOL} FAILED'
 fi
 
-which hotplug 1>/dev/null 2>&1 || error
+exit ${RC}
diff -r 360eb996fa38 tools/check/check_x11_devel
--- a/tools/check/check_x11_devel	Wed Dec 13 16:13:26 2006 +0000
+++ b/tools/check/check_x11_devel	Thu Dec 14 15:50:22 2006 +0100
@@ -1,11 +1,15 @@
-#!/bin/bash
+#!/bin/sh
 # CHECK-BUILD
 
-function error {
-    echo
-    echo "  *** Check for x11 headers FAILED"
-    exit 1
-}
+RC=0
 
 set -e
-[ -e /usr/include/X11/keysymdef.h ] || error
+test -r /usr/include/X11/keysymdef.h || \
+test -r /usr/X11R6/include/X11/keysymdef.h || RC=1
+
+if test ${RC} -ne 0; then
+	echo
+	echo " *** Check for x11 headers FAILED"
+fi
+
+exit ${RC}