CODEWITHSUNDEEP
luanasmpremake
Philipp Stephan
Philipp Stephan

Reputation: 392

Get list of #defines as Token or string in Premake 5

I am using a custom build command to run the nasm assembler on a .asm file in my C++ project. I am using %idefs in the assembler code to only compile the code I need. I am checking for the same #defines as in the C++-Code and use define() in Premake 5 to set those, but additionally I need to pass them to nasm on its command line invocation in my Custom Build Command. What I am looking for is a way to concatenate or string replace the Premake internal list of #defines into the command line invocation string of the buildcommands() call. Is there a Premake Token or a way to introspect the lua variables and generate a list from that?

Note that my command line invocation specifically is

buildcommands "nasm.exe -f win32 -o %{cfg.objdir}%{file.basename}.lib %{file.abspath} -DNDEBUG"

Suppose I set defines { "FEAT_A", "FEAT_B" } in my premake5.lua. I then would like to to add -DFEAT_A -DFEAT_B automatically to that build command similar to the -DNDEBUG so I cannot simply insert a simple token. I guess I do have to do something like this (lua pseudo code as I don't really know the syntax):

define_flags = wks.defines.join(" -D")
buildcoommands("nasm.exe [...]"..define_flags)

Do you know if something like this is possible?

Upvotes: 1

Views: 595

Answers (1)

J. Perkins
J. Perkins

Reputation: 4276

How about something like this?

buildcommands('nasm.exe [...] %{table.implode(cfg.defines, "-D", "", " ")} [...]')

Upvotes: 1

Related Questions