diff --git a/project.conf b/project.conf
index 9d8633b..efa507e 100644
--- a/project.conf
+++ b/project.conf
@@ -3,4 +3,13 @@ version=0.0.3
 dist=Makefile
 
 subdirs=src,tests,tools
+targets=tests
 dist=Makefile,COPYING
+
+#targets
+[tests]
+type=command
+command=cd tests && (if [ -n "$(OBJDIR)" ]; then $(MAKE) OBJDIR="$(OBJDIR)tests/" "$(OBJDIR)tests/clint.log" "$(OBJDIR)tests/fixme.log"; else $(MAKE) clint.log fixme.log; fi)
+depends=all
+enabled=0
+phony=1
diff --git a/tests/fixme.sh b/tests/fixme.sh
new file mode 100755
index 0000000..84319cf
--- /dev/null
+++ b/tests/fixme.sh
@@ -0,0 +1,265 @@
+#!/bin/sh
+#$Id$
+#Copyright (c) 2017-2020 Pierre Pronchery <khorben@defora.org>
+#
+#Redistribution and use in source and binary forms, with or without
+#modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this
+#   list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright notice,
+#   this list of conditions and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+#
+#THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+#AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+#IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+#DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+#FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+#DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+#SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+#CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+#OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+#OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+
+#variables
+CONFIGSH="${0%/fixme.sh}/../config.sh"
+PROGNAME="fixme.sh"
+PROJECTCONF="../project.conf"
+REGEXP_ERROR="FIXME"
+REGEXP_WARNING="\\(TODO\|XXX\\)"
+#executables
+DATE="date"
+DEBUG="_debug"
+FIND="find"
+GREP="grep"
+HEAD="head"
+MKDIR="mkdir -p"
+SORT="sort -n"
+TR="tr"
+
+[ -f "$CONFIGSH" ] && . "$CONFIGSH"
+
+
+#functions
+#fixme
+_fixme()
+{
+	res=0
+	subdirs=
+
+	$DATE
+	echo
+	while read line; do
+		case "$line" in
+			"["*)
+				break
+				;;
+			"subdirs="*)
+				subdirs=${line#subdirs=}
+				subdirs=$(echo "$subdirs" | $TR ',' ' ')
+				;;
+		esac
+	done < "$PROJECTCONF"
+	if [ ! -n "$subdirs" ]; then
+		_error "Could not locate directories to analyze"
+		return $?
+	fi
+	for subdir in $subdirs; do
+		[ -d "../$subdir" ] || continue
+		for filename in $($FIND "../$subdir" -type f | $SORT); do
+			callback=$(_fixme_callback "$filename")
+			[ -n "$callback" ] || continue
+			($callback "$filename") 2>&1
+			if [ $? -ne 0 ]; then
+				echo "$PROGNAME: $filename: FAIL" 1>&2
+				res=2
+			fi
+		done
+	done
+	return $res
+}
+
+_fixme_callback()
+{
+	filename="$1"
+	ext=${filename##*/}
+	ext=${ext%.in}
+	ext=${ext##*.}
+	callback=
+
+	case "$ext" in
+		asm|S)
+			echo "_fixme_callback_asm"
+			return 0
+			;;
+		c|cc|cpp|cxx|h|js|v)
+			echo "_fixme_callback_c"
+			return 0
+			;;
+		conf|sh)
+			echo "_fixme_callback_sh"
+			return 0
+			;;
+		py)
+			echo "_fixme_callback_python"
+			return 0
+			;;
+		htm|html|xml|xsl)
+			echo "_fixme_callback_xml"
+			return 0
+			;;
+	esac
+	case $($HEAD -n 1 "$filename") in
+		"#!/bin/sh"*|"#! /bin/sh"*|\
+		"#!/usr/bin/env bash"*|"#! /usr/bin/env bash"*)
+			echo "_fixme_callback_sh"
+			return 0
+			;;
+		"#!/usr/bin/env python"*|"#! /usr/bin/env python"*)
+			echo "_fixme_callback_python"
+			return 0
+			;;
+		"<html"*|"<?xml"*)
+			echo "_fixme_callback_xml"
+			return 0
+			;;
+	esac
+	return 2
+}
+
+_fixme_callback_asm()
+{
+	res=0
+	filename="$1"
+
+	#warnings
+	$GREP -nH "/\\*.*$REGEXP_WARNING" "$filename"
+	#failures
+	$GREP -nH "/\\*.*$REGEXP_ERROR" "$filename" && res=2
+	return $res
+}
+
+_fixme_callback_c()
+{
+	res=0
+	filename="$1"
+
+	#warnings
+	$GREP -nH "/\\(/\\|\\*\\).*$REGEXP_WARNING" "$filename"
+	#failures
+	$GREP -nH "/\\(/\\|\\*\\).*$REGEXP_ERROR" "$filename" && res=2
+	return $res
+}
+
+_fixme_callback_python()
+{
+	res=0
+	filename="$1"
+	comment="#"
+
+	#warnings
+	$GREP -nH "$comment.*$REGEXP_WARNING" "$filename"
+	#failures
+	$GREP -nH "$comment.*$REGEXP_ERROR" "$filename" && res=2
+	return $res
+}
+
+_fixme_callback_sh()
+{
+	res=0
+	filename="$1"
+	comment="#"
+
+	#warnings
+	$GREP -nH "$comment.*$REGEXP_WARNING" "$filename"
+	#failures
+	$GREP -nH "$comment.*$REGEXP_ERROR" "$filename" && res=2
+	return $res
+}
+
+_fixme_callback_xml()
+{
+	res=0
+	filename="$1"
+
+	#XXX limited to a single line
+	#warnings
+	$GREP -nH "<!--.*$REGEXP_WARNING" "$filename"
+	#failures
+	$GREP -nH "<!--.*$REGEXP_ERROR" "$filename" && res=2
+	return $res
+}
+
+
+#debug
+_debug()
+{
+	echo "$@" 1>&3
+	"$@"
+	res=$?
+	#ignore errors when the command is not available
+	[ $res -eq 127 ]					&& return 0
+	return $res
+}
+
+
+#error
+_error()
+{
+	echo "$PROGNAME: $@" 1>&2
+	return 2
+}
+
+
+#usage
+_usage()
+{
+	echo "Usage: $PROGNAME [-c] target..." 1>&2
+	return 1
+}
+
+
+#main
+clean=0
+while getopts "cO:P:" name; do
+	case "$name" in
+		c)
+			clean=1
+			;;
+		O)
+			export "${OPTARG%%=*}"="${OPTARG#*=}"
+			;;
+		P)
+			#XXX ignored for compatibility
+			;;
+		?)
+			_usage
+			exit $?
+			;;
+	esac
+done
+shift $((OPTIND - 1))
+if [ $# -lt 1 ]; then
+	_usage
+	exit $?
+fi
+
+#clean
+[ $clean -ne 0 ] && exit 0
+
+exec 3>&1
+ret=0
+while [ $# -gt 0 ]; do
+	target="$1"
+	dirname="${target%/*}"
+	shift
+
+	if [ -n "$dirname" -a "$dirname" != "$target" ]; then
+		$MKDIR -- "$dirname"				|| ret=$?
+	fi
+	_fixme > "$target"					|| ret=$?
+done
+exit $ret
diff --git a/tests/project.conf b/tests/project.conf
index 555bce6..0ed81fa 100644
--- a/tests/project.conf
+++ b/tests/project.conf
@@ -1,7 +1,15 @@
-targets=clint.log
-dist=Makefile,clint.sh
+targets=clint.log,fixme.log
+dist=Makefile,clint.sh,fixme.sh
 
+#targets
 [clint.log]
 type=script
 script=./clint.sh
 depends=clint.sh
+enabled=0
+
+[fixme.log]
+type=script
+script=./fixme.sh
+depends=fixme.sh
+enabled=0