1 files changed, 156 insertions, 0 deletions

diff --git a/meta/classes/icecc.bbclass b/meta/classes/icecc.bbclass
new file mode 100644
index 0000000000..7dfcfc29a4
--- /dev/null
+++ b/meta/classes/icecc.bbclass
@@ -0,0 +1,156 @@
+# IceCream distributed compiling support
+# 
+# We need to create a tar.bz2 of our toolchain and set
+# ICECC_VERSION, ICECC_CXX and ICEC_CC
+#
+
+def create_env(bb,d):
+    """
+    Create a tar.bz of the current toolchain
+    """
+
+    # Constin native-native compilation no environment needed if
+    # host prefix is empty (let us duplicate the query for ease)
+    prefix = bb.data.expand('${HOST_PREFIX}', d)
+    if len(prefix) == 0:
+        return ""
+
+    import tarfile
+    import socket
+    import time
+    import os
+    ice_dir = bb.data.expand('${CROSS_DIR}', d)
+    prefix  = bb.data.expand('${HOST_PREFIX}' , d)
+    distro  = bb.data.expand('${DISTRO}', d)
+    target_sys = bb.data.expand('${TARGET_SYS}',  d)
+    #float   = bb.data.getVar('${TARGET_FPU}', d)
+    float   = "anyfloat"
+    name    = socket.gethostname()
+
+    try:
+        os.stat(ice_dir + '/' + target_sys + '/lib/ld-linux.so.2')
+        os.stat(ice_dir + '/' + target_sys + '/bin/g++')
+    except:
+        return ""
+
+    VERSION = '3.4.3'    
+    cross_name = prefix + distro + target_sys + float +VERSION+ name
+    tar_file = ice_dir + '/ice/' + cross_name + '.tar.bz2'
+
+    try:
+        os.stat(tar_file)
+        return tar_file
+    except:
+        try:
+            os.makedirs(ice_dir+'/ice')
+        except:
+            pass
+
+    # FIXME find out the version of the compiler
+    tar = tarfile.open(tar_file, 'w:bz2')
+    tar.add(ice_dir + '/' + target_sys + '/lib/ld-linux.so.2', 
+            target_sys + 'cross/lib/ld-linux.so.2')
+    tar.add(ice_dir + '/' + target_sys + '/lib/ld-linux.so.2',
+            target_sys + 'cross/lib/ld-2.3.3.so')
+    tar.add(ice_dir + '/' + target_sys + '/lib/libc-2.3.3.so',
+            target_sys + 'cross/lib/libc-2.3.3.so')
+    tar.add(ice_dir + '/' + target_sys + '/lib/libc.so.6',
+           target_sys + 'cross/lib/libc.so.6')
+    tar.add(ice_dir + '/' + target_sys + '/bin/gcc',
+            target_sys + 'cross/usr/bin/gcc')
+    tar.add(ice_dir + '/' + target_sys + '/bin/g++',
+            target_sys + 'cross/usr/bin/g++')
+    tar.add(ice_dir + '/' + target_sys + '/bin/as',
+            target_sys + 'cross/usr/bin/as')
+    tar.add(ice_dir + '/lib/gcc/' + target_sys +'/'+ VERSION + '/specs',
+            target_sys+'cross/usr/lib/gcc/'+target_sys+'/'+VERSION+'/lib/specs')
+    tar.add(ice_dir + '/libexec/gcc/'+target_sys+'/' + VERSION + '/cc1',
+            target_sys + 'cross/usr/lib/gcc/'+target_sys+'/'+VERSION+'/lib/cc1')
+    tar.add(ice_dir + '/libexec/gcc/arm-linux/' + VERSION + '/cc1plus',
+            target_sys+'cross/usr/lib/gcc/'+target_sys+'/'+VERSION+'/lib/cc1plus')
+    tar.close()
+    return tar_file
+
+
+def create_path(compilers, type, bb, d):
+    """
+    Create Symlinks for the icecc in the staging directory
+    """
+    import os
+
+    staging = bb.data.expand('${STAGING_DIR}', d) + "/ice/" + type
+    icecc   = bb.data.getVar('ICECC_PATH', d)
+
+    # Create the dir if necessary
+    try:
+        os.stat(staging)
+    except:
+        os.makedirs(staging)
+
+
+    for compiler in compilers:
+        gcc_path = staging + "/" + compiler
+        try:
+            os.stat(gcc_path)
+        except:
+            os.symlink(icecc, gcc_path)
+
+    return staging + ":"
+
+
+def use_icc_version(bb,d):
+    # Constin native native
+    prefix = bb.data.expand('${HOST_PREFIX}', d)
+    if len(prefix) == 0:
+        return "no"
+        
+        
+    native = bb.data.expand('${PN}', d) 
+    blacklist = [ "-cross", "-native" ]
+
+    for black in blacklist:
+        if black in native:
+            return "no"
+
+    return "yes"
+
+def icc_path(bb,d,compile):
+    native = bb.data.expand('${PN}', d)
+    blacklist = [ "ulibc", "glibc", "ncurses" ]
+    for black in blacklist:
+        if black in native:
+            return ""
+
+    if "-native" in native:
+        compile = False
+    if "-cross"  in native:
+        compile = False
+
+    prefix = bb.data.expand('${HOST_PREFIX}', d)
+    if compile and len(prefix) != 0:
+        return create_path( [prefix+"gcc", prefix+"g++"], "cross", bb, d )
+    elif not compile or len(prefix) == 0:
+        return create_path( ["gcc", "g++"], "native", bb, d)
+
+
+def icc_version(bb,d):
+    return create_env(bb,d)
+
+
+#
+# set the IceCream  environment variables
+do_configure_prepend() {
+    export PATH=${@icc_path(bb,d,False)}$PATH
+    export ICECC_CC="gcc"
+    export ICECC_CXX="g++"
+}
+
+do_compile_prepend() {
+    export PATH=${@icc_path(bb,d,True)}$PATH
+    export ICECC_CC="${HOST_PREFIX}gcc"
+    export ICECC_CXX="${HOST_PREFIX}g++"
+
+    if [ "${@use_icc_version(bb,d)}" = "yes" ]; then
+        export ICECC_VERSION="${@icc_version(bb,d)}"
+    fi
+}