[LLVMbugs] [Bug 9680] New: KeyError: 'compile_cxx' when using cmake -G "NMake Makefiles"

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=9680

           Summary: KeyError: 'compile_cxx'  when using cmake -G "NMake
                    Makefiles"
           Product: Test Suite
           Version: trunk
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P
         Component: lit
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: dneto.llvm at gmail.com
                CC: llvmbugs at cs.uiuc.edu, daniel at zuster.org


When:
- using Cmake to generate NMake makefiles.
- then running "nmake check"
- I get a Python KeyError.  See below for the stack trace.


I tracked it down to Cmake generating a test/site.exp with nmake-style
continuation lines, and llvm/test/lit.cfg not handling those
continuation lines.

For example, in my site.exp I get the following (on LLVM 2.9):

set compile_c ""
set compile_cxx "c:/devstudio2008/VC/bin/amd64/cl.exe @ /Fd -c
<<  -ID:/llvm/llvm-nmake-dbg/include -Id:/llvm/llvm/include"
set link ""
set llvmgcc ""
set llvmgxx ""

But lit.cfg can't parse the "<< " line as a continuation of the
definition of compile_cxx.


Here is the Python stack trace.

[100%] Running LLVM regression tests
Traceback (most recent call last):
  File "D:/llvmtrunk/llvm/utils/lit/lit.py", line 5, in <module>
    lit.main()
  File "D:\llvmtrunk\llvm\utils\lit\lit\main.py", line 515, in main
    testSuiteCache, localConfigCache)[1])
  File "D:\llvmtrunk\llvm\utils\lit\lit\main.py", line 230, in getTests
    ts,path_in_suite = getTestSuite(path, litConfig, testSuiteCache)
  File "D:\llvmtrunk\llvm\utils\lit\lit\main.py", line 199, in getTestSuite
    ts, relative = search(item)
  File "D:\llvmtrunk\llvm\utils\lit\lit\main.py", line 183, in search
    cache[path] = res = search1(path)
  File "D:\llvmtrunk\llvm\utils\lit\lit\main.py", line 174, in search1
    cfg = TestingConfig.frompath(cfgpath, None, litConfig, mustExist = True)
  File "D:\llvmtrunk\llvm\utils\lit\lit\TestingConfig.py", line 45, in frompath
    exec f in cfg_globals
  File "D:\llvmtrunk\llvm-nmake-dbg64\test\lit.site.cfg", line 20, in <module>
    lit.load_config(config, "D:/llvmtrunk/llvm/test/lit.cfg")
  File "D:\llvmtrunk\llvm\utils\lit\lit\LitConfig.py", line 65, in load_config
    config = config)
  File "D:\llvmtrunk\llvm\utils\lit\lit\TestingConfig.py", line 45, in frompath
    exec f in cfg_globals
  File "D:/llvmtrunk/llvm/test/lit.cfg", line 166, in <module>
    site_exp[sub].replace('-fno-exceptions', '')))
KeyError: 'compile_cxx'
NMAKE : fatal error U1077: 'S:\tools\python\2.6.4\windows64\bin\python.exe' :
return code '0x1'
Stop.

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