Get rid of Makefile for more control; add proper debug build support

.make-and-exec

@@ -1,10 +1,17 @@
 #!/bin/bash
 # Usage: create a file foo.c, make foo a symlink to this script
-# When foo is executed, this script silently compiles foo.c into .make-and-exec-binaries/foo and execs that with the arguments provided.
-# The compilation goes through make, so later invocations directly exec the binary with little delay.
+# When foo is executed, this script silently compiles foo.c into .make-and-exec-binaries/foo (if necessary) and execs that with the arguments provided.
+# Making a symlink named foo-dbg causes it to compile foo.c with -DDEBUG.
 # To customise the compilation, you can set a CFLAGS env var before running foo.
-set -e
-name="$(basename "$0")"
-cd "$(dirname "$0")"
-make --file .make-and-exec-Makefile --silent ".make-and-exec-binaries/${name}"
-exec "./.make-and-exec-binaries/${name}" "$@"
+sourcename="${0%-dbg}.c"
+if [[ "$0" == *-dbg ]]; then opt='-O0 -DDEBUG'; else opt='-O3'; fi
+targetfile="$(dirname "$0")/.make-and-exec-binaries/$(basename "$0")"
+if [[ ! -f "${targetfile}" || "${sourcename}" -nt "${targetfile}" ]]; then
+	mkdir -p "$(dirname "$0")/.make-and-exec-binaries"
+	gcc ${opt} ${CFLAGS} -o "${targetfile}" "${sourcename}" || exit
+	testfile="$(dirname "$0")/.$(basename "${0%-dbg}")-test"
+	if [[ -f "${testfile}" ]]; then
+		"${testfile}" || { st=$?; touch -d '1970-01-01T00:00:00Z' "${targetfile}"; exit "${st}"; }
+	fi
+fi
+exec "${targetfile}" "$@"

.make-and-exec-Makefile

@@ -1,4 +0,0 @@
-.make-and-exec-binaries/%: %.c
-	mkdir -p .make-and-exec-binaries
-	$(CC) -O3 -o $@ $< $(CFLAGS)
-	[ -f ./.$(notdir $(@))-test ] && ./.$(notdir $(@))-test || true

.urldecode-test

@@ -1,11 +1,12 @@
 #!/usr/bin/python3
 import io
 import itertools
+import os.path
 import subprocess
 
 
 def test(input, output):
-	p = subprocess.Popen(['./.make-and-exec-binaries/urldecode'], text = False, stdin = subprocess.PIPE, stdout = subprocess.PIPE)
+	p = subprocess.Popen([os.path.join(os.path.dirname(__file__), '.make-and-exec-binaries', 'urldecode')], text = False, stdin = subprocess.PIPE, stdout = subprocess.PIPE)
 	stdout, stderr = p.communicate(input)
 	assert not stderr
 	assert stdout == output

.youtube-extract-rapid-test

@@ -1,10 +1,11 @@
 #!/usr/bin/env python3
 import itertools
+import os.path
 import subprocess
 
 
 def test(input, lines):
-	p = subprocess.Popen(['./.make-and-exec-binaries/youtube-extract-rapid'], text = False, stdin = subprocess.PIPE, stdout = subprocess.PIPE)
+	p = subprocess.Popen([os.path.join(os.path.dirname(__file__), '.make-and-exec-binaries', 'youtube-extract-rapid'], text = False, stdin = subprocess.PIPE, stdout = subprocess.PIPE)
 	stdout, stderr = p.communicate(input)
 	assert not stderr
 	stdout = stdout.split(b'\n')