#
# Collective Knowledge (individual environment - setup)
#
# See CK LICENSE.txt for licensing details
# See CK COPYRIGHT.txt for copyright details
#
# Developer: Grigori Fursin, Grigori.Fursin@cTuning.org, http://fursin.net
#

import os

##############################################################################
# customize directories to automatically find and register software

def dirs(i):
    return {'return':0}

##############################################################################
# limit files/directories ...

def limit(i):

    hosd=i['host_os_dict']
    tosd=i['target_os_dict']

    sname=i['soft_name']

    phosd=hosd.get('ck_name','')

    dr=i.get('list',[])
    drx=[]

    for q in dr:
        add=True

        if q.find('X11')>0 or q.find('/lib/')>0 or q.endswith('.bz2') or \
           q.endswith('.ebuild') or q.endswith('.gz') or q.find('completion')>0:
           add=False

        if add and phosd=='linux':
           pq=os.path.basename(q)
           if len(pq)>len(sname) and pq[len(sname)]!='-':
              add=False

           if add and pq.startswith(sname+'-'):
              if len(pq)<=len(sname):
                 add=False
              else:
                 if not pq[len(sname)+1].isdigit():
                    add=False
        if add:
           drx.append(q)

    return {'return':0, 'list':drx}

##############################################################################
# parse software version

def parse_version(i):

    lst=i['output']

    ver=''

    for q in lst:
        q=q.strip()
        if q!='':
           j=q.lower().find(') ')
           if j>0:
              q=q[j+2:]
              j=q.find(' ')
              if j>0:
                 q=q[:j]
              ver=q
              break

    return {'return':0, 'version':ver}

##############################################################################
# setup environment setup

def setup(i):
    """
    Input:  {
              cfg              - meta of this soft entry
              self_cfg         - meta of module soft
              ck_kernel        - import CK kernel module (to reuse functions)

              host_os_uoa      - host OS UOA
              host_os_uid      - host OS UID
              host_os_dict     - host OS meta

              target_os_uoa    - target OS UOA
              target_os_uid    - target OS UID
              target_os_dict   - target OS meta

              target_device_id - target device ID (if via ADB)

              tags             - list of tags used to search this entry

              env              - updated environment vars from meta
              customize        - updated customize vars from meta

              deps             - resolved dependencies for this soft

              interactive      - if 'yes', can ask questions, otherwise quiet
            }

    Output: {
              return       - return code =  0, if successful
                                         >  0, if error
              (error)      - error text if return > 0

              bat          - prepared string for bat file
            }

    """

    import os

    # Get variables
    ck=i['ck_kernel']
    s=''

    iv=i.get('interactive','')

    env=i['env']
    cfg=i.get('cfg',{})
    deps=i.get('deps',{})
    tags=i.get('tags',[])
    cus=i['customize']

    hosd=i['host_os_dict']
    tosd=i['target_os_dict']

    hplat=hosd.get('ck_name','')

    target_d=i.get('target_os_dict',{})
    winh=hosd.get('windows_base','')
    win=target_d.get('windows_base','')
    remote=target_d.get('remote','')
    mingw=target_d.get('mingw','')
    tbits=target_d.get('bits','')

    envp=cus.get('env_prefix','')
    pi=cus.get('path_install','')

    fp=cus.get('full_path','')

    env['CK_COMPILER_TOOLCHAIN_NAME']='gcc'

    # Check path
    ep=cus.get('env_prefix','')
    if fp!='':
       p1=os.path.dirname(fp)
       pi=os.path.dirname(p1)

       if p1!='/usr/bin':
          cus['path_bin']=p1

       if ep!='':
          env[ep]=pi
          if p1!='/usr/bin': 
             env[ep+'_BIN']=p1

       tp=''

       if hplat=='linux':
          sname=cus.get('soft_file',{}).get(hplat,'')
          pname=os.path.basename(fp)
          if pname.startswith(sname+'-'):
             tp=pname[len(sname):]

       if cus.get('tool_prefix','')=='':
          cus['tool_prefix_configured']='yes'
          cus['tool_prefix']=''
       if cus.get('tool_postfix','')=='':
          cus['tool_postfix_configured']='yes'
          cus['tool_postfix']=tp
       if cus.get('retarget','')=='':
          cus['retarget']='no'

    env.update({
      "CK_AR": "$#tool_prefix#$ar", 
      "CK_ASM_EXT": ".s", 
      "CK_COMPILER_FLAGS_OBLIGATORY": "", 
      "CK_COMPILER_FLAG_CPP11": "-std=c++11", 
      "CK_COMPILER_FLAG_CPP0X": "-std=c++0x", 
      "CK_COMPILER_FLAG_GPROF": "-pg", 
      "CK_COMPILER_FLAG_OPENMP": "-fopenmp", 
      "CK_COMPILER_FLAG_PLUGIN": "-fplugin=", 
      "CK_COMPILER_FLAG_PTHREAD_LIB": "-lpthread", 
      "CK_OPT_ALL_WARNINGS": "-Wall", 
      "CK_DLL_EXT": ".so", 
      "CK_EXE_EXT": ".out", 
      "CK_EXTRA_LIB_DL": "-ldl", 
      "CK_EXTRA_LIB_M": "-lm", 
      "CK_F90": "$#tool_prefix#$gfortran$#tool_postfix#$", 
      "CK_F95": "$#tool_prefix#$gfortran$#tool_postfix#$", 
      "CK_FC": "$#tool_prefix#$gfortran$#tool_postfix#$", 
      "CK_FLAGS_CREATE_ASM": "-S", 
      "CK_FLAGS_CREATE_OBJ": "-c", 
      "CK_FLAGS_DLL": "-shared -fPIC", 
      "CK_FLAGS_DLL_EXTRA": "", 
      "CK_FLAGS_OUTPUT": "-o ", 
      "CK_FLAGS_STATIC_BIN": "-static -fPIC", 
      "CK_FLAGS_STATIC_LIB": "-fPIC", 
      "CK_FLAG_PREFIX_INCLUDE": "-I", 
      "CK_FLAG_PREFIX_LIB_DIR": "-L", 
      "CK_FLAG_PREFIX_VAR": "-D", 
      "CK_GPROF_OUT_FILE": "gmon.out", 
      "CK_LB": "$#tool_prefix#$ar rcs", 
      "CK_LB_OUTPUT": "-o ", 
      "CK_LD": "$#tool_prefix#$ld", 
      "CK_LD_FLAGS_EXTRA": "", 
      "CK_LIB_EXT": ".a", 
      "CK_LINKER_FLAG_OPENMP": "-lgomp -lrt", 
      "CK_MAKE": "make", 
      "CK_OBJDUMP": "$#tool_prefix#$objdump -d", 
      "CK_OBJ_EXT": ".o", 
      "CK_OPT_SIZE": "-Os", 
      "CK_OPT_SPEED": "-O3", 
      "CK_OPT_SPEED_SAFE": "-O2", 
      "CK_PLUGIN_FLAG": "-fplugin=", 
      "CK_PROFILER": "gprof"
    })

    ############################################################
    # Ask a few more questions
    prefix_configured=cus.get('tool_prefix_configured','')
    prefix=cus.get('tool_prefix','')
    if prefix_configured!='yes' and iv=='yes':
       if prefix!='':
          ck.out('Current compiler name prefix: '+prefix)
       else:
          ra=ck.inp({'text':'Compiler name prefix, if needed (such as "arm-none-linux-gnueabi-"): '})
          prefix=ra['string'].strip()
          cus['tool_prefix_configured']='yes'

    if prefix!='':
       env['CK_COMPILER_PREFIX']=prefix
       cus['tool_prefix']=prefix
       cus['tool_prefix_configured']='yes'

    for k in env:
        v=env[k]
        v=v.replace('$#tool_prefix#$',prefix)
        env[k]=v

    # (tool postfix such as -4.6)
    postfix_configured=cus.get('tool_postfix_configured','')
    postfix=cus.get('tool_postfix','')

    if postfix_configured!='yes':
       ra=ck.inp({'text':'Input gcc postfix if needed (for example, -4.6 for gcc-4.6) or Enter to skip: '})
       postfix=ra['string'].strip()

    env['CK_COMPILER_POSTFIX']=postfix
    cus['tool_postfix']=postfix
    cus['tool_postfix_configured']='yes'

    for k in env:
        v=env[k]
        v=v.replace('$#tool_postfix#$',postfix)
        env[k]=v

    retarget=cus.get('retarget','')
    lfr=cus.get('linking_for_retargeting','')
    if retarget=='' and iv=='yes':
       ra=ck.inp({'text':'Using retargeting (for example, for ARM) (y/N)? '})
       x=ra['string'].strip().lower()
       if x!='' and x=='y' or x=='yes':
          retarget='yes'
          cus['retarget']='yes'
          if 'retargeted' not in tags: tags.append('retargeted')

          if lfr=='' and iv=='yes':
#             y='-Wl,-dynamic-linker,/data/local/tmp/ld-linux.so.3 -Wl,--rpath -Wl,/data/local/tmp'
             ra=ck.inp({'text':'LD extra flags for retargeting (if needed): '})
             lfr=ra['string'].strip()
#             if lfr=='': lfr=y

       else:
          cus['retarget']='no'

    if retarget=='yes' and lfr!='':
       cus['linking_for_retargeting']=lfr
       env['CK_LD_FLAGS_EXTRA']=lfr

       if winh=='yes':
          env['CK_SYS_ROOT']=pi+'\\arm-none-linux-gnueabi\\libc'
       else:
          env['CK_SYS_ROOT']=pi+'/arm-none-linux-gnueabi/libc'

       x=env.get('CK_COMPILER_FLAGS_OBLIGATORY','')
       y='--sysroot="'+env['CK_SYS_ROOT']+'"'
       if y not in x: 
          x+=y+' '
          env['CK_COMPILER_FLAGS_OBLIGATORY']=x

    add_m32=cus.get('add_m32','')
    if env.get('CK_COMPILER_ADD_M32','').lower()=='yes' or os.environ.get('CK_COMPILER_ADD_M32','').lower()=='yes':
       add_m32='yes'
       cus['add_m32']='yes'

#    if add_m32=='' and iv=='yes' and tbits=='32':
#       ra=ck.inp({'text':'Target OS is 32 bit. Add -m32 to compilation flags (y/N)? '})
#       x=ra['string'].strip().lower()
#       if x=='y' or x=='yes': 
#          add_m32='yes'
#          cus['add_m32']='yes'

    if winh=='yes':
       x=env.get('CK_COMPILER_FLAGS_OBLIGATORY','')
       if remote!='yes':
          if x.find('-DWINDOWS')<0: 
             x+=' -DWINDOWS' 
       if tbits=='32' and add_m32=='yes' and x.find('-m32')<0: 
          x+=' -m32' 
       env['CK_COMPILER_FLAGS_OBLIGATORY']=x

       if mingw=='yes': env['CK_MAKE']='mingw32-make'
       elif remote=='yes': env['CK_MAKE']='cs-make'

       x=env.get('CK_CXX','')
       if x!='' and x.find('-fpermissive')<0:
          x+=' -fpermissive'
       env['CK_CXX']=x

    x=cus.get('bugfix1','')
    if winh!='yes' and (x=='yes' or os.path.isdir('/usr/lib/x86_64-linux-gnu')):
       s+='\nexport LIBRARY_PATH=/usr/lib/x86_64-linux-gnu:$LIBRARY_PATH\n'

    x=cus.get('add_extra_path','')
    if x!='' and winh=='yes':
       s+='\nset PATH='+pi+x+';%PATH%\n\n'

    # Otherwise may be problems on Windows during cross-compiling
    env['CK_OPT_UNWIND']=' '
    env['CK_FLAGS_DYNAMIC_BIN']=' '

    return {'return':0, 'bat':s, 'env':env, 'tags':tags}