Make makefiles and shell scripts portable

It's no longer required to use `gmake` under OpenBSD and shell scripts
no longer require bash.

runtests.sh

@@ -1,6 +1,4 @@
-#/usr/bin/env bash
-
-set -e
+#/bin/sh -e
 
 git submodule init
 git submodule update

tools/cfspack/Makefile

@@ -4,6 +4,11 @@ TARGETS = cfspack cfsunpack
 all: $(TARGETS)
 
 cfspack: cfspack.c
+	$(CC) $(CFLAGS) -o $@ cfspack.c
+
 cfsunpack: cfsunpack.c
-$(TARGETS):
-	$(CC) -o $@ $^
+	$(CC) $(CFLAGS) -o $@ cfsunpack.c
+
+.PHONY: clean
+clean:
+	rm -f $(TARGETS)

tools/emul/Makefile

@@ -4,37 +4,44 @@ KERNEL = ../../kernel
 APPS = ../../apps
 ZASMBIN = zasm/zasm
 ZASMSH = ../zasm.sh
-SHELLAPPS = $(addprefix cfsin/, zasm ed)
-CFSIN_CONTENTS = $(SHELLAPPS) cfsin/user.h
+SHELLAPPS = zasm ed
+SHELLTGTS = ${SHELLAPPS:S/^/cfsin\//}
+CFSIN_CONTENTS = $(SHELLTGTS) cfsin/user.h
+OBJS = emul.o libz80/libz80.o
 
 .PHONY: all
 all: $(TARGETS) $(CFSIN_CONTENTS)
 
 # -o in sync with SHELL_CODE in shell/glue.asm
 shell/shell.bin: $(APPS)/shell/glue.asm $(ZASMBIN)
-	$(ZASMSH) -o 07 $(KERNEL) shell/user.h $(APPS) < $< | tee $@ > /dev/null
+	$(ZASMSH) -o 07 $(KERNEL) shell/user.h $(APPS) < $(APPS)/shell/glue.asm | tee $@ > /dev/null
 
 shell/kernel-bin.h: shell/glue.asm shell/shell.bin $(ZASMBIN)
-	$(ZASMSH) $(KERNEL) shell/shell.bin < $< | ./bin2c.sh KERNEL | tee $@ > /dev/null
+	$(ZASMSH) $(KERNEL) shell/shell.bin < shell/glue.asm | ./bin2c.sh KERNEL | tee $@ > /dev/null
 
 bshell/shell.bin: bshell/glue.asm $(ZASMBIN)
-	$(ZASMSH) $(KERNEL) bshell/user.h $(APPS) < $< | tee $@ > /dev/null
+	$(ZASMSH) $(KERNEL) bshell/user.h $(APPS) < bshell/glue.asm | tee $@ > /dev/null
 
 bshell/shell-bin.h: bshell/shell.bin
-	./bin2c.sh KERNEL < $< | tee $@ > /dev/null
+	./bin2c.sh KERNEL < bshell/shell.bin | tee $@ > /dev/null
 
 zasm/kernel-bin.h: zasm/kernel.bin
-	./bin2c.sh KERNEL < $< | tee $@ > /dev/null
+	./bin2c.sh KERNEL < zasm/kernel.bin | tee $@ > /dev/null
 
 zasm/zasm-bin.h: zasm/zasm.bin
-	./bin2c.sh USERSPACE < $< | tee $@ > /dev/null
+	./bin2c.sh USERSPACE < zasm/zasm.bin | tee $@ > /dev/null
 
-shell/shell: shell/shell.c libz80/libz80.o shell/kernel-bin.h 
-bshell/shell: bshell/shell.c libz80/libz80.o bshell/shell-bin.h 
-$(ZASMBIN): zasm/zasm.c emul.o libz80/libz80.o zasm/kernel-bin.h zasm/zasm-bin.h $(CFSPACK)
-runbin/runbin: runbin/runbin.c libz80/libz80.o
-$(TARGETS):
-	$(CC) $< emul.o libz80/libz80.o -o $@
+shell/shell: shell/shell.c $(OBJS) shell/kernel-bin.h 
+	$(CC) shell/shell.c $(OBJS) -o $@
+
+bshell/shell: bshell/shell.c $(OBJS) bshell/shell-bin.h 
+	$(CC) bshell/shell.c $(OBJS) -o $@
+
+$(ZASMBIN): zasm/zasm.c $(OBJS) zasm/kernel-bin.h zasm/zasm-bin.h $(CFSPACK)
+	$(CC) zasm/zasm.c $(OBJS) -o $@
+
+runbin/runbin: runbin/runbin.c $(OBJS)
+	$(CC) runbin/runbin.c $(OBJS) -o $@
 
 libz80/libz80.o: libz80/z80.c
 	$(MAKE) -C libz80/codegen opcodes
@@ -47,11 +54,11 @@ $(CFSPACK):
 	$(MAKE) -C ../cfspack
 
 # -o in sync with USER_CODE in shell/user.h
-$(SHELLAPPS): $(ZASMBIN)
-	$(ZASMSH) -o 42 $(KERNEL) $(APPS) shell/user.h < $(APPS)/$(notdir $@)/glue.asm > $@
+$(SHELLTGTS): $(ZASMBIN)
+	$(ZASMSH) -o 42 $(KERNEL) $(APPS) shell/user.h < $(APPS)/${@:T}/glue.asm > $@
 
 cfsin/user.h: shell/user.h
-	cp $< $@
+	cp shell/user.h $@
 
 .PHONY: updatebootstrap
 updatebootstrap: $(ZASMBIN) $(INCCFS)
@@ -60,4 +67,4 @@ updatebootstrap: $(ZASMBIN) $(INCCFS)
 
 .PHONY: clean
 clean:
-	rm -f $(TARGETS) $(SHELLAPPS) emul.o zasm/*-bin.h shell/*-bin.h
+	rm -f $(TARGETS) $(SHELLTGTS) emul.o zasm/*-bin.h shell/*-bin.h

tools/tests/Makefile

@@ -2,6 +2,6 @@ EMULDIR = ../emul
 
 .PHONY: run
 run:
-	make -C $(EMULDIR) zasm runbin
+	$(MAKE) -C $(EMULDIR) zasm/zasm runbin/runbin
 	cd unit && ./runtests.sh
 	cd zasm && ./runtests.sh

tools/tests/unit/runtests.sh

@@ -1,6 +1,4 @@
-#!/usr/bin/env bash
-
-set -e
+#!/bin/sh -e
 
 BASE=../../..
 TOOLS=../..
@@ -17,7 +15,7 @@ chk() {
     fi
 }
 
-if [[ ! -z $1 ]]; then
+if [ ! -z $1 ]; then
     chk $1
     exit 0
 fi

tools/tests/zasm/errtests.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 
 # no "set -e" because we test errors
 
@@ -6,9 +6,11 @@ ZASM=../../zasm.sh
 
 chkerr() {
     echo "Check that '$1' results in error $2"
-    ${ZASM} <<< $1 > /dev/null
+    ${ZASM} > /dev/null <<XXX
+$1
+XXX
     local res=$?
-    if [[ $res == $2 ]]; then
+    if [ $res = $2 ]; then
         echo "Good!"
     else
         echo "$res != $2"
@@ -18,15 +20,17 @@ chkerr() {
 
 chkoom() {
     echo "Trying OOM error..."
-    local s=""
+    local tmp=$(mktemp)
     # 300 x 27-29 bytes > 8192 bytes. Large enough to smash the pool.
-    for i in {1..300}; do
-        s+=".equ abcdefghijklmnopqrstuvwxyz$i 42"
-        s+=$'\n'
+    local i=0
+    while [ "$i" -lt "300" ]; do
+        echo ".equ abcdefghijklmnopqrstuvwxyz$i 42" >> ${tmp}
+        i=$(($i+1))
     done
-    ${ZASM} <<< "$s" > /dev/null
+    ${ZASM} < ${tmp} > /dev/null
     local res=$?
-    if [[ $res == 23 ]]; then
+    rm ${tmp}
+    if [ $res = 23 ]; then
         echo "Good!"
     else
         echo "$res != 23"
@@ -57,5 +61,5 @@ chkerr ".db 0x100" 20
 # TODO: find out why this tests fails on Travis but not on my machine...
 # chkerr $'nop \ nop \ nop\n.fill 2-$' 20
 chkerr ".inc \"doesnotexist\"" 21
-chkerr "foo:\\foo:" 22
+chkerr 'foo:\\foo:' 22
 chkoom

tools/tests/zasm/runtests.sh

@@ -1,6 +1,4 @@
-#!/usr/bin/env bash
-
-set -e
+#!/bin/sh -e
 
 KERNEL=../../../kernel
 APPS=../../../apps
@@ -11,7 +9,7 @@ cmpas() {
     FN=$1
     EXPECTED=$(xxd ${FN}.expected)
     ACTUAL=$(cat ${FN} | $ZASM "${KERNEL}" "${APPS}" | xxd)
-    if [ "$ACTUAL" == "$EXPECTED" ]; then
+    if [ "$ACTUAL" = "$EXPECTED" ]; then
         echo ok
     else
         echo actual
@@ -22,7 +20,7 @@ cmpas() {
     fi
 }
 
-if [[ ! -z $1 ]]; then
+if [ ! -z $1 ]; then
     cmpas $1
     exit 0
 fi