From 6296045e2a135174bd47d491d8716f7775d86600 Mon Sep 17 00:00:00 2001
From: Thomas Martitz <kugel@rockbox.org>
Date: Fri, 23 Dec 2011 13:49:43 +0000
Subject: Add crosstool-NG build to rockboxdev.sh.

rockboxdev.sh can now build toolchains using ct-ng (and build ct-ng before
if required). It downloads the appropriate config for ct-ng and lets it do its job.

Used for the upcoming YP-R0 target, which requires a full toolchain including libc.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31412 a1c6a512-1295-4272-9138-f99709370657
---
 tools/rockboxdev.sh | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 86 insertions(+), 2 deletions(-)

diff --git a/tools/rockboxdev.sh b/tools/rockboxdev.sh
index f53f323368..323ea9b625 100755
--- a/tools/rockboxdev.sh
+++ b/tools/rockboxdev.sh
@@ -61,6 +61,10 @@ input() {
 #$1 file
 #$2 URL"root
 getfile() {
+  if test -f $dlwhere/$1; then
+    echo "ROCKBOXDEV: Skipping download of $2/$1: File already exists"
+    return
+  fi
   tool=`findtool curl`
   if test -z "$tool"; then
     tool=`findtool wget`
@@ -110,6 +114,10 @@ build() {
             url="$GNU_MIRROR/binutils"
             ;;
 
+        ctng)
+            file="crosstool-ng-$version.tar.bz2"
+            url="http://crosstool-ng.org/download/crosstool-ng"
+            ;;
         *)
             echo "ROCKBOXDEV: Bad toolname $toolname"
             exit
@@ -196,7 +204,16 @@ build() {
     cd build-$toolname
 
     echo "ROCKBOXDEV: $toolname/configure"
-    CFLAGS=-U_FORTIFY_SOURCE ../$toolname-$version/configure --target=$target --prefix=$prefix --enable-languages=c --disable-libssp --disable-docs $configure_params
+    case $toolname in
+        ctng) # ct-ng doesnt support out-of-tree build and the src folder is named differently
+            toolname="crosstool-ng"
+            cp -r ../$toolname-$version/{*,.version}  .
+            ./configure --prefix=$prefix $configure_params
+        ;;
+        *)
+            CFLAGS=-U_FORTIFY_SOURCE ../$toolname-$version/configure --target=$target --prefix=$prefix --enable-languages=c --disable-libssp --disable-docs $configure_params
+        ;;
+    esac
 
     echo "ROCKBOXDEV: $toolname/make"
     $make
@@ -209,6 +226,69 @@ build() {
     rm -rf build-$toolname $toolname-$version
 }
 
+
+make_ctng() {
+    if test -f "`which ct-ng 2>/dev/null`"; then
+        ctng="ct-ng"
+    else
+        ctng=""
+    fi
+
+    if test ! -n "$ctng"; then
+        if test ! -f "$prefix/bin/ct-ng"; then # look if we build it already
+            build "ctng" "" "1.13.2"
+        fi
+    fi
+    ctng=`PATH=$prefix/bin:$PATH which ct-ng`
+}
+
+build_ctng() {
+    ctng_target="$1"
+    extra="$2"
+    tc_arch="$3"
+    tc_host="$4"
+
+    make_ctng
+
+    dlurl="http://www.rockbox.org/gcc/$ctng_target"
+
+    # download 
+    getfile "ct-ng-config" "$dlurl"
+
+    test -n "$extra" && getfile "$extra" "$dlurl"
+    
+    # create build directory
+    if test -d $builddir; then
+        if test ! -w $builddir; then
+            echo "ROCKBOXDEV: No write permission for $builddir"
+            exit
+        fi
+    else
+        mkdir -p $builddir
+    fi
+
+    # copy config and cd to $builddir
+    mkdir $builddir/build-$ctng_target
+    ctng_config="$builddir/build-$ctng_target/.config"
+    cat "$dlwhere/ct-ng-config" | sed -e "s,\(CT_PREFIX_DIR=\).*,\1$prefix," > $ctng_config
+    cd $builddir/build-$ctng_target
+
+    #~ $ctng "build"
+
+    # install extras
+    if test -e "$dlwhere/$extra"; then
+        # verify the toolchain has sysroot support
+        if test -n `cat $ctng_config | grep CT_USE_SYSROOT\=y`; then
+            sysroot=`cat $ctng_config | grep CT_SYSROOT_NAME | sed -e 's,CT_SYSROOT_NAME\=\"\([a-zA-Z0-9]*\)\",\1,'`
+            tar xf "$dlwhere/$extra" -C "$prefix/$tc_arch-$ctng_target-$tc_host/$sysroot"
+        fi
+    fi
+    
+    # cleanup
+    cd $builddir
+    rm -rf $builddir/build-$ctng_target
+}
+    
 ##############################################################################
 # Code:
 
@@ -242,6 +322,7 @@ else
   fi
 fi
 
+
 # Verify the prefix dir
 if test ! -d $prefix; then
   mkdir -p $prefix
@@ -260,6 +341,7 @@ echo "s   - sh       (Archos models)"
 echo "m   - m68k     (iriver h1x0/h3x0, iaudio m3/m5/x5 and mpio hd200)"
 echo "a   - arm      (ipods, iriver H10, Sansa, D2, Gigabeat, etc)"
 echo "i   - mips     (Jz4740 and ATJ-based players)"
+echo "r   - arm-app  (Samsung ypr0)"
 echo "separate multiple targets with spaces"
 echo "(Example: \"s m a\" will build sh, m68k and arm)"
 echo ""
@@ -305,7 +387,9 @@ do
             build "binutils" "arm-elf-eabi" "2.20.1" "binutils-2.20.1-ld-thumb-interwork-long-call.diff" "$binopts --disable-werror"
             build "gcc" "arm-elf-eabi" "4.4.4" "rockbox-multilibs-noexceptions-arm-elf-eabi-gcc-4.4.2_1.diff" "$gccopts" "gmp mpfr"
             ;;
-
+        [Rr])
+            build_ctng "ypr0" "alsalib.tar.gz" "arm" "linux-gnueabi"
+            ;;
         *)
             echo "ROCKBOXDEV: Unsupported architecture option: $arch"
             exit
-- 
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