[LLVMbugs] [Bug 22976] New: Python "print" statement used for defining ECHOPATH on mingw32

[bugzilla-daemon at llvm.org]

https://llvm.org/bugs/show_bug.cgi?id=22976

            Bug ID: 22976
           Summary: Python "print" statement used for defining ECHOPATH on
                    mingw32
           Product: Build scripts
           Version: 3.6
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: Makefiles
          Assignee: unassignedbugs at nondot.org
          Reporter: valtron2000 at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

In line 829 of Makefile.rules (3.6.0 source), python2 is assumed:

  ifeq (-mingw32,$(findstring -mingw32,$(BUILD_TRIPLE)))
    ECHOPATH := $(Verb)$(PYTHON) -u -c "import sys;print '
'.join(sys.argv[1:])"
  else
    ECHOPATH := $(Verb)$(ECHO)
  endif

It can be made py2/3 compatible by using the function form of print:

    ECHOPATH := $(Verb)$(PYTHON) -u -c "import sys;print('
'.join(sys.argv[1:]))"

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