From 54ebd1dea1dd4ad68d28e27f7a20ce843f1d2f59 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sat, 27 Jan 2018 21:36:39 +0100
Subject: added more variables and cleaned up phase 1

---
 README                 | 14 +++++---------
 build_cross.sh         | 17 ++++++++++++++---
 default.conf           |  5 +++++
 prepare_stage1_repo.sh | 38 +++++++++++++++++++++++---------------
 4 files changed, 47 insertions(+), 27 deletions(-)

diff --git a/README b/README
index 63a1703..0b8c205 100644
--- a/README
+++ b/README
@@ -119,19 +119,15 @@ cp .config ct-ng.config
 
 su cross ./prepare_stage1_repo.sh
 
+#########
+# PHASE 1
+#########
 
+Build stage1 with the cross-compiler and modified PKGBUILDs and patches
+into $STAGE1_CHROOT
 
 # TODO FROM HERE:
 
-# get the Archlinux32 diffs
-###########################
-
-cd $HOME
-git clone git@github.com:archlinux32/packages.git packages32
-
-#########
-# PHASE 1
-#########
 
 # package shims
 ################
diff --git a/build_cross.sh b/build_cross.sh
index f40ce98..6689c50 100755
--- a/build_cross.sh
+++ b/build_cross.sh
@@ -18,6 +18,17 @@ if test ! -f /etc/sudoers.d/cross; then
 	echo "cross ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers.d/cross
 fi
 
+# we need the github keys
+if test ! -d $CROSS_HOME/.ssh; then
+	mkdir $CROSS_HOME/.ssh
+	chown cross:cross $CROSS_HOME/.ssh
+fi
+if test ! -f $CROSS_HOME/.ssh/id_rsa.pub; then
+	cp $HOME/.ssh/id_rsa.pub $CROSS_HOME/.ssh/.
+	cp $HOME/.ssh/id_rsa $CROSS_HOME/.ssh/.
+	chown cross:cross $CROSS_HOME/.ssh/id_rsa*
+fi
+
 if test ! -x /usr/local/bin/ct-ng; then
 	echo "Installing crosstool-ng:"
 	su - cross <<EOF
@@ -34,8 +45,8 @@ EOF
 	echo "Done crosstool-ng."
 fi
 
-if test ! -x $CROSS_HOME/x-tools/i486-unknown-linux-gnu/bin/i486-unknown-linux-gnu-gcc; then
-	echo "Building cross compiler for i486-unknown-linux-gnu-gcc:"
+if test ! -x $CROSS_HOME/x-tools/${TARGET_ARCH}/bin/${TARGET_ARCH}-gcc; then
+	echo "Building cross compiler for ${TARGET_ARCH}=gcc:"
 	rm -rf $CROSS_HOME/{x-tools,.build,build.log,.wget-hsts,.config,.config.old}
 	cp ct-ng.config $CROSS_HOME/.config
 	CPUS=$(nproc)
@@ -48,5 +59,5 @@ EOF
 fi
 
 echo -n "Cross-compiler ready: "
-CROSS_MSG="$($CROSS_HOME/x-tools/i486-unknown-linux-gnu/bin/i486-unknown-linux-gnu-gcc --version | head -n 1)"
+CROSS_MSG="$($CROSS_HOME/x-tools/${TARGET_ARCH}/bin/${TARGET_ARCH}-gcc --version | head -n 1)"
 echo $CROSS_MSG
diff --git a/default.conf b/default.conf
index 9ca43dd..20f5972 100644
--- a/default.conf
+++ b/default.conf
@@ -1,5 +1,8 @@
 # configuration
 
+# target architecture
+TARGET_ARCH=i486-unknown-linux-gnu
+
 # where to build the cross compiler
 CROSS_HOME=/home/cross
 
@@ -9,3 +12,5 @@ XTOOLS_HOME=$CROSS_HOME/x-tools
 # the chroot of stage 1
 STAGE1_CHROOT=$CROSS_HOME/i486-root
 
+# the place where we build stage 1
+STAGE1_BUILD=$CROSS_HOME/build
diff --git a/prepare_stage1_repo.sh b/prepare_stage1_repo.sh
index 882c431..b93635d 100755
--- a/prepare_stage1_repo.sh
+++ b/prepare_stage1_repo.sh
@@ -2,13 +2,9 @@
 
 . "./default.conf"
 
-set -x 
-
 # prepare the i486-chroot for stage 1
 # prepare pacman in i486-chroot
 
-sudo rm -rf $STAGE1_CHROOT
-
 if test ! -d $STAGE1_CHROOT; then
 
 	# create and initialize a new i486 chroot in $STAGE1_CHROOT
@@ -61,28 +57,40 @@ EOF
 
 	sudo pacman --config $STAGE1_CHROOT/etc/pacman.conf -r $STAGE1_CHROOT -Syyu
 	pacman --config $STAGE1_CHROOT/etc/pacman.conf -r $STAGE1_CHROOT -Q
+fi
 
-	# prepare the build enviroment
+if test ! -d $STAGE1_BUILD; then
 
-	mkdir $HOME/build
-	cd $HOME/build
+	# prepare the build enviroment
+	
+	mkdir $STAGE1_BUILD
+	cd $STAGE1_BUILD
 
 	# prepare makepkg for building into the i486-chroot
-
-	cp /usr/bin/makepkg $HOME/build/makepkg-i486
+	cp /usr/bin/makepkg $STAGE1_BUILD/makepkg-i486
 
 	# patch run_pacman in makepkg, we cannot pass the pacman root to it as parameter ATM
+	
 	sed -i "s@\"\$PACMAN_PATH\"@\"\$PACMAN_PATH\" --config $STAGE1_CHROOT/etc/pacman.conf -r $STAGE1_CHROOT@" makepkg-i486
 
+	# prepare a configuration for building the packages with makepkg
+	# fitting to the destination architecture
+	
 	cp /etc/makepkg.conf makepkg-i486.conf
-	sed -i 's@^CARCH=.*@CARCH="i486"@' makepkg-i486.conf
-	sed -i 's@^CHOST=.*@CHOST="i486-unknown-linux-gnu"@' makepkg-i486.conf
-	sed -i 's@^#MAKEFLAGS=.*@MAKEFLAGS="-j20"@' makepkg-i486.conf
-	sed -i 's@-march=x86-64 -mtune=generic @@' makepkg-i486.conf
+	sed -i "s@^CARCH=.*@CARCH=\"i486\"@" makepkg-i486.conf
+	sed -i "s@^CHOST=.*@CHOST=\"${TARGET_ARCH}\"@" makepkg-i486.conf
+	CPUS=$(nproc)
+	sed -i "s@^#MAKEFLAGS=.*@MAKEFLAGS=\"-j$CPUS\"@" makepkg-i486.conf
+	sed -i "s@-march=x86-64 -mtune=generic @-march=i486 @" makepkg-i486.conf
 
 	echo "Prepared the stage 1 build environment."
-
 fi
 
+if test ! -d $CROSS_HOME/packages32; then
+	
+	# get packages repo from Archlinux32 for the diffs
 
-
+	git clone git@github.com:archlinux32/packages.git $CROSS_HOME/packages32
+	
+	echo "Fetched Archlinux32 diffs for packages."
+fi
-- 
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