./bootstrap issue

 @Luke:~/cmake-3.12.0$ sudo ./bootstrap --system-curl --prefix=/usr/local/
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CMake 3.12.0, Copyright 2000-2018 Kitware, Inc. and Contributors
Warning: This is an in-source build
Found GNU toolchain
C compiler on this system is: gcc
C++ compiler on this system is: g++  -std=gnu++1y
Makefile processor on this system is: make
g++ has setenv
g++ has unsetenv
g++ does not have environ in stdlib.h
g++ has stl wstring
g++ has <ext/stdio_filebuf.h>
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g++  -std=gnu++1y         -I/home/luke/cmake-3.12.0/Bootstrap.cmk   -I/home/luke/cmake-3.12.0/Source   -I/home/luke/cmake-3.12.0/Source/LexerParser   -I/home/luke/cmake-3.12.0/Utilities  -c /home/luke/cmake-3.12.0/Source/cmAddCustomCommandCommand.cxx -o cmAddCustomCommandCommand.o
In file included from /home/luke/cmake-3.12.0/Source/cmTarget.h:16:0,
                 from /home/luke/cmake-3.12.0/Source/cmGlobalGenerator.h:21,
                 from /home/luke/cmake-3.12.0/Source/cmAddCustomCommandCommand.cxx:11:
/home/luke/cmake-3.12.0/Source/cmAlgorithms.h:175:12: error: expected ‘;’ at end of member declaration
   cmRange& advance(KWIML_INT_intptr_t amount)
            ^
/home/luke/cmake-3.12.0/Source/cmAlgorithms.h:175:39: error: expected ‘)’ before ‘amount’
   cmRange& advance(KWIML_INT_intptr_t amount)
                                       ^
/home/luke/cmake-3.12.0/Source/cmAlgorithms.h:181:12: error: expected ‘;’ at end of member declaration
   cmRange& retreat(KWIML_INT_intptr_t amount)
            ^
/home/luke/cmake-3.12.0/Source/cmAlgorithms.h:181:39: error: expected ‘)’ before ‘amount’
   cmRange& retreat(KWIML_INT_intptr_t amount)
                                       ^
make: *** [cmAddCustomCommandCommand.o] Error 1
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Error when bootstrapping CMake:
Problem while running make
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Log of errors: /home/luke/cmake-3.12.0/Bootstrap.cmk/cmake_bootstrap.log
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