title: Undefined symbol in Diab linker
body: <p>i'm trying to run LZMA (C version) (7-zip.org/sdk.html) on an MPC5748G from NXP, by compiling a simple code to encode/decode a stream , i get the follwing WARNING from the linker:</p>
  
  <pre><code>scons: done reading SConscript files.
  scons: Building targets ...
  ..\tools\wr\mpc5748_wr594\diab\5.9.4.2\WIN32\bin\dcc.exe -c -Xenum-is-best -Xrtti-off -Xexceptions-off -Xforce-declarations -ee1481 -tPPCVLEES:simple -Xsection-split -g3 -XO -Xsize-opt -DTGT_MPC5748_WR594 -DC_DERIVATIVE_MPC5748G -DFREESCALE_OS -DAUTOSAR_OS_USED -DOSDIABPPC -DADC_INTERRUPT_TYPE=MCAL_ISR_TYPE_NONE -DCAN_INTERRUPT_TYPE=MCAL_ISR_TYPE_NONE -DGPT_INTERRUPT_TYPE=MCAL_ISR_TYPE_NONE -DICU_INTERRUPT_TYPE=MCAL_ISR_TYPE_NONE -DLIN_INTERRUPT_TYPE=MCAL_ISR_TYPE_NONE -DPWM_INTERRUPT_TYPE=MCAL_ISR_TYPE_NONE -DSPI_INTERRUPT_TYPE=MCAL_ISR_TYPE_NONE -DTGT_DBG -DTGT_APP -DCFG_CFG -DCFG_CAN -DCFG_CSL -DCFG_MCU -DCFG_DUT -DCFG_MEM -DCFG_MOV -DCFG_GPI -DCFG_GPO -DCFG_ADC -DCFG_SED -DCFG_FRY -DCFG_LPM -DCFG_ETH -IC:\GW_MCU\tools\wr\mpc5748_wr594\diab\5.9.4.2\include -Ibsw\mcal\mcalAS\inc -I. lib\lzma\Alloc.c -o lib\lzma\Alloc.o
  ..\tools\wr\mpc5748_wr594\diab\5.9.4.2\WIN32\bin\dcc.exe -tPPCVLEES:simple -u__lear_calypso_memory_init -Wl,-Xremove-unused-sections -Wl,-Xunused-sections-list -lc -Wl,-m6 -Wm bsw/mcal/mcalm/linkerDescriptionVLE_App.dld -o out\app\BmwBdc2018GwmDutApp.elf out/app\objToLink.inl 1&gt;out/app/BmwBdc2018GwmDutApp.map
  dld: warning: Undefined symbol '__HEAP_END' in file 'sbrk.o(C:\GW_MCU\tools\wr\mpc5748_wr594\diab\5.9.4.2\PPCVLEE\libchar.a)'
  dld: warning: Undefined symbol 'LzmaEncProps_Init' in file 'lib/lzma/LzmaLib.o'
  dld: warning: Undefined symbol '__HEAP_START' in file 'sbrk.o(C:\GW_MCU\tools\wr\mpc5748_wr594\diab\5.9.4.2\PPCVLEE\libchar.a)'
  dld: warning: Undefined symbol 'LzmaEncode' in file 'lib/lzma/LzmaLib.o'
  dld: error: Undefined symbols found - no output written
  scons: *** [out\app\test.elf] Error 1
  scons: building terminated because of errors.
  </code></pre>
  
  <p>My question is not very clear but i want to know why i'm getting those linker erros and i'm looking for help from someone how had wworked with diab compiler since gcc does not give me this problem.</p>
  
  <p>I don't know if the errors come from diabCompiler because in my laptop i got no problem
  Can anybody help me please 
  Thansk a looot</p>