Reformatting project structure 2: Added shell scripts

build.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+set -e
+. ./headers.sh
+
+for PROJECT in $PROJECTS; do
+  (echo "\nMoving in $PROJECT" && cd $PROJECT && DESTDIR="$SYSROOT" $MAKE install)
+done

clean.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -e
+. ./config.sh
+
+for PROJECT in $PROJECTS; do
+  (echo "\nMoving in $PROJECT" && cd $PROJECT && $MAKE clean)
+done
+
+rm -rf sysroot
+rm -rf isodir
+rm -rf os.iso

config.sh

@@ -0,0 +1,28 @@
+SYSTEM_HEADER_PROJECTS="libc kernel"
+PROJECTS="libc kernel"
+
+export MAKE=${MAKE:-make}
+export HOST=${HOST:-$(./default-host.sh)}
+
+export AR=${HOST}-ar
+export AS=${HOST}-as
+export CC=${HOST}-gcc
+
+export PREFIX=/usr
+export EXEC_PREFIX=$PREFIX
+export BOOTDIR=/boot
+export LIBDIR=$EXEC_PREFIX/lib
+export INCLUDEDIR=$PREFIX/include
+
+export CFLAGS='-g3'
+export CPPFLAGS=''
+
+# Configure the cross-compiler to use the desired system root.
+export SYSROOT="$(pwd)/sysroot"
+export CC="$CC --sysroot=$SYSROOT"
+
+# Work around that the -elf gcc targets doesn't have a system include directory
+# because it was configured with --without-headers rather than --with-sysroot.
+if echo "$HOST" | grep -Eq -- '-elf($|-)'; then
+  export CC="$CC -isystem=$INCLUDEDIR"
+fi

default-host.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+echo i686-elf

headers.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+set -e
+. ./config.sh
+
+mkdir -p $SYSROOT
+
+for PROJECT in $SYSTEM_HEADER_PROJECTS; do
+  (echo "\nMoving to $PROJECT" && cd $PROJECT && DESTDIR="$SYSROOT" $MAKE install-headers)
+done

iso.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+set -e
+. ./build.sh
+
+mkdir -p isodir
+mkdir -p isodir/boot
+mkdir -p isodir/boot/grub
+
+cp sysroot/boot/os.kernel isodir/boot/os.kernel
+cat > isodir/boot/grub/grub.cfg << EOF
+menuentry "os" {
+	multiboot /boot/os.kernel
+}
+EOF
+grub-mkrescue -o os.iso isodir

qemu.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+set -e
+. ./iso.sh
+
+qemu-system-$(./target-triplet-to-arch.sh $HOST) -cdrom os.iso

target-triplet-to-arch.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+if echo "$1" | grep -Eq 'i[[:digit:]]86-'; then
+  echo i386
+else
+  echo "$1" | grep -Eo '^[[:alnum:]_]*'
+fi