Building in QNX Momentics 6.5 SP1 throws "Couldn't reserve space for cygwin's heap, Win32 error 0" Buiding barebones QNX C++ program throws "Couldn't reserve space for cygwin's heap, Win32 error 0". See sample output below C:\QNX650\host\win32\x86\usr\bin\make.exe -k CPULIST=x86 all --file=C:/Users/u1/AppData/Local/Temp/QMakefile169726255947317724.tmp 0 [main] us 0 init_cheap: VirtualAlloc pointer is null, Win32 error 487 AllocationBase 0x0, BaseAddress 0x71690000, RegionSize 0x330000, State 0x10000 C:\QNX650\host\win32\x86\usr\bin\sh.exe: *** Couldn't reserve space for cygwin's heap, Win32 error 0 C:/QNX650/host/win32/x86/usr/bin/make.exe -j 1 -Cx86 -fMakefile all make.exe[1]: Entering directory `C:/ide-4.7-workspace/test1/x86' C:/QNX650/host/win32/x86/usr/bin/make.exe -j 1 -Co -fMakefile all make.exe[2]: Entering directory `C:/ide-4.7-workspace/test1/x86/o' make.exe[2]: Nothing to be done for `all'. make.exe[2]: