diff options
Diffstat (limited to 'classes')
| -rw-r--r-- | classes/icecc.bbclass | 77 |
1 files changed, 56 insertions, 21 deletions
diff --git a/classes/icecc.bbclass b/classes/icecc.bbclass index 2f34d408d2..fbd2814d35 100644 --- a/classes/icecc.bbclass +++ b/classes/icecc.bbclass @@ -1,8 +1,18 @@ # IceCream distributed compiling support # -# We need to create a tar.bz2 of our toolchain and set -# ICECC_VERSION, ICECC_CXX and ICEC_CC +# Stages directories with symlinks from gcc/g++ to icecc, for both +# native and cross compilers. Depending on each configure or compile, +# the directories are added at the head of the PATH list and ICECC_CXX +# and ICEC_CC are set. # +# For the cross compiler, creates a tar.bz2 of our toolchain and sets +# ICECC_VERSION accordingly. +# +# This class needs ICECC_PATH to be set already. It must have +# been exported from the shell running bitbake. Setting it in +# local.conf is not adequate. +# +# This class objdump, ldconfig, grep, sed installed on the build host. def icc_determine_gcc_version(gcc): """ @@ -10,11 +20,12 @@ def icc_determine_gcc_version(gcc): 'i686-apple-darwin8-gcc-4.0.1 (GCC) 4.0.1 (Apple Computer, Inc. build 5363)' """ + import os return os.popen("%s --version" % gcc ).readline().split()[2] def create_env(bb,d): """ - Create a tar.bz of the current toolchain + Create a tar.bz2 of the current toolchain """ # Constin native-native compilation no environment needed if @@ -23,14 +34,12 @@ def create_env(bb,d): if len(prefix) == 0: return "" - import tarfile - import socket - import time - import os + import tarfile, socket, time, 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) + target_prefix = bb.data.expand('${TARGET_PREFIX}', d) float = bb.data.getVar('${TARGET_FPU}', d) or "hard" name = socket.gethostname() @@ -39,7 +48,7 @@ def create_env(bb,d): try: os.stat(os.path.join(ice_dir, target_sys, 'lib', 'ld-linux.so.2')) os.stat(os.path.join(ice_dir, target_sys, 'bin', 'g++')) - except: + except: # no cross compiler built yet return "" VERSION = icc_determine_gcc_version( os.path.join(ice_dir,target_sys,"bin","g++") ) @@ -48,11 +57,13 @@ def create_env(bb,d): try: os.stat(tar_file) + # tar file already exists return tar_file - except: + except: try: os.makedirs(os.path.join(ice_dir,'ice')) except: + # directory already exists, continue pass # FIXME find out the version of the compiler @@ -78,14 +89,42 @@ def create_env(bb,d): tar.add(os.path.join(ice_dir,target_sys,'bin','as'), os.path.join("usr","bin","as") ) + cc = bb.data.getVar('CC', d, True) + + # use bitbake's PATH so that the cross-compiler is actually found on the PATH + oldpath = os.environ['PATH'] + os.environ['PATH'] = bb.data.getVar('PATH', d, True) + + # FIXME falsely assuming there is only a single NEEDED per file + # FIXME falsely assuming the lib path is /lib + + # which libc does the compiler need? (for example: libc.so.6) + libc = os.popen("objdump -x `which %s` | sed -n 's/.*NEEDED *//p'" % cc).read()[:-1] + # what is the absolute path of libc? (for example: /lib/libc.so.6) + # FIXME assuming only one entry is returned, which easily breaks + libc = os.popen("ldconfig -p | grep -e %s$ | sed 's:[^/]*/:/:'" % libc).read()[:-1] + + # which loader does the compiler need? + ldlinux = os.popen("objdump -x %s | sed -n 's/.*NEEDED *//p'" % libc).read()[:-1] + ldlinux = os.popen("ldconfig -p | grep -e %s$ | sed 's:[^/]*/:/:'" % ldlinux).read()[:-1] + + tar.add(libc) + tar.add(ldlinux) + # Now let us find cc1 and cc1plus - cc1 = os.popen("%s -print-prog-name=cc1" % data.getVar('CC', d, True)).read()[:-1] - cc1plus = os.popen("%s -print-prog-name=cc1plus" % data.getVar('CC', d, True)).read()[:-1] - spec = os.popen("%s -print-file-name=specs" % data.getVar('CC', d, True)).read()[:-1] + cc1 = os.popen("%s -print-prog-name=cc1" % cc).read()[:-1] + cc1plus = os.popen("%s -print-prog-name=cc1plus" % cc).read()[:-1] + spec = os.popen("%s -print-file-name=specs" % cc).read()[:-1] + + os.environ['PATH'] = oldpath # CC1 and CC1PLUS should be there... - tar.add(cc1, os.path.join('usr', 'bin', 'cc1')) - tar.add(cc1plus, os.path.join('usr', 'bin', 'cc1plus')) + #tar.add(cc1, os.path.join('usr', 'bin', 'cc1')) + #tar.add(cc1plus, os.path.join('usr', 'bin', 'cc1plus')) + + # I think they should remain absolute paths (as gcc expects them there) + tar.add(cc1) + tar.add(cc1plus) # spec - if it exists if os.path.exists(spec): @@ -110,7 +149,6 @@ def create_path(compilers, type, bb, d): except: os.makedirs(staging) - for compiler in compilers: gcc_path = os.path.join(staging, compiler) try: @@ -120,14 +158,12 @@ def create_path(compilers, type, bb, d): return staging + ":" - def use_icc_version(bb,d): # Constin native native prefix = bb.data.expand('${HOST_PREFIX}', d) if len(prefix) == 0: return "no" - blacklist = [ "cross", "native" ] for black in blacklist: @@ -150,17 +186,15 @@ def icc_path(bb,d,compile): prefix = bb.data.expand('${HOST_PREFIX}', d) if compile and len(prefix) != 0: - return create_path( [prefix+"gcc", prefix+"g++"], "cross", bb, d ) + 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 +# set the icecream environment variables do_configure_prepend() { export PATH=${@icc_path(bb,d,False)}$PATH export ICECC_CC="gcc" @@ -173,6 +207,7 @@ do_compile_prepend() { export ICECC_CXX="${HOST_PREFIX}g++" if [ "${@use_icc_version(bb,d)}" = "yes" ]; then + print ICECC_VERSION="${@icc_version(bb,d)}" export ICECC_VERSION="${@icc_version(bb,d)}" fi } |