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ARGC, ARGV, ARGN, ARGVn in CMake
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| cmake_minimum_required(VERSION 2.8) | |
| function(use_llvm TARGET) | |
| message("ARGC=\"${ARGC}\"") | |
| message("ARGN=\"${ARGN}\"") | |
| message("ARGV=\"${ARGV}\"") | |
| message("ARGV0=\"${ARGV0}\"") | |
| message("ARGV1=\"${ARGV1}\"") | |
| endfunction() | |
| add_custom_target(foo | |
| COMMAND ls) | |
| use_llvm(foo core bitwriter) | |
| # Results: | |
| # ARGC="3" | |
| # ARGN="core;bitwriter" | |
| # ARGV="foo;core;bitwriter" | |
| # ARGV0="foo" | |
| # ARGV1="core" |
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Note that nowadays
cmake_parse_argumentswith parameter groups is considered a better practice.https://llvm.org/docs/CMakePrimer.html#argument-handling
https://cmake.org/cmake/help/v3.8/command/cmake_parse_arguments.html
https://stackoverflow.com/questions/23327687/how-to-write-a-cmake-function-with-more-than-one-parameter-groups