Index: configure.in
==================================================================
--- configure.in
+++ configure.in
@@ -109,10 +109,15 @@
 if test "$tcltls_debug" = 'true'; then
 	AC_DEFINE(TCLEXT_TCLTLS_DEBUG, [1], [Enable debugging build])
 	AX_CHECK_COMPILE_FLAG([-fcheck-pointer-bounds], [CFLAGS="$CFLAGS -fcheck-pointer-bounds"])
 	AX_CHECK_COMPILE_FLAG([-fsanitize=address], [CFLAGS="$CFLAGS -fsanitize=address"])
 	AX_CHECK_COMPILE_FLAG([-fsanitize=undefined], [CFLAGS="$CFLAGS -fsanitize=undefined"])
+else
+	dnl If we are not doing debugging disable some of the more annoying warnings
+	AX_CHECK_COMPILE_FLAG([-Wno-unused-value], [CFLAGS="$CFLAGS -Wno-unused-value"])
+	AX_CHECK_COMPILE_FLAG([-Wno-unused-parameter], [CFLAGS="$CFLAGS -Wno-unused-parameter"])
+	AX_CHECK_COMPILE_FLAG([-Wno-deprecated-declarations], [CFLAGS="$CFLAGS -Wno-deprecated-declarations"])
 fi
 
 dnl Find "xxd" so we can build the tls.tcl.h file
 AC_CHECK_PROG([XXD], [xxd], [xxd], [__xxd__not__found])
 
@@ -137,10 +142,14 @@
 	if test "$enableval" = 'yes'; then
 		TCLEXT_TLS_STATIC_SSL='yes'
 	fi
 ])
 
+dnl Enable compiler warnings
+AX_CHECK_COMPILE_FLAG([-Wall], [CFLAGS="$CFLAGS -Wall"])
+AX_CHECK_COMPILE_FLAG([-W], [CFLAGS="$CFLAGS -W"])
+
 dnl Enable hardening
 AX_CHECK_COMPILE_FLAG([-fstack-protector-all], [CFLAGS="$CFLAGS -fstack-protector-all"])
 AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CFLAGS="$CFLAGS -fno-strict-overflow"])
 AC_DEFINE([_FORTIFY_SOURCE], [2], [Enable fortification])