> On Nov 10, 2017, at 6:49 AM, stefan.waig...@continental-corporation.com wrote: > > Hello, > > the usual way to pass a generator string to the cmake executable on the > command line is: > cmake . -G"Unix Makefiles" > > But when i have some bash scripting around it and try to hold the command > line arguments in a variable, the trouble begins... > > export CMDLINE=". -G\"Unix Makefiles\"" && cmake $CMDLINE > -> CMake Error: Could not create named generator "Unix > > The reason seems to be bash separates arguments by spaces, and does not care > for the quotes. > > I tried to escape the space character somehow, but nothing seems to help: > > export CMDLINE=". -G\"Unix\ Makefiles\"" && cmake $CMDLINE > -> CMake Error: Could not create named generator "Unix\ > > export CMDLINE=". -G'Unix Makefiles'" && cmake $CMDLINE > -> CMake Error: Could not create named generator 'Unix > > Now there might be ways how to work around this in bash. E.g. by quoting > arguments on their own as done here > https://stackoverflow.com/questions/42111441/how-to-pass-command-line-arguments-with-spaces-through-a-variable-in-bash > or here > https://unix.stackexchange.com/questions/108635/why-i-cant-escape-spaces-on-a-bash-script > But this is more complicated, harder to understand and maintain - not a nice > solution. > > Looking around, i do not seem to be alone with this kind of problem. Example > https://stackoverflow.com/questions/20570042/calling-cmake-with-bash-variable-argument > > So here is my plea to the CMake developers and feature request: > Could you please let CMake support this kind of command line? > cmake . -GUnix_Makefiles > > i mean besides the established way CMake should accept the generator strings > with '_' instead of ' '? > If the command line parser could replace '_' by ' ' things would be backward > compatible, right? > This would solve problems as mentioned above and help people to automate > their CMake environments. > > Thank you, > Stefan
perhaps handle arguments as an array variable in bash - it’s a slightly saner
way to deal with args with spaces:
CMDLINE=(. -G"Unix Makefiles") && cmake "${CMDLINE[@]}”
-Mike
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