73 lines
3.2 KiB
C
73 lines
3.2 KiB
C
// This is your build script. You only need to "bootstrap" it once with `cc -o nob nob.c`
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// (you can call the executable whatever actually) or `cl nob.c` on MSVC. After that every
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// time you run the `nob` executable if it detects that you modifed nob.c it will rebuild
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// itself automatically thanks to NOB_GO_REBUILD_URSELF (see below)
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// nob.h is an stb-style library https://github.com/nothings/stb/blob/master/docs/stb_howto.txt
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// What that means is that it's a single file that acts both like .c and .h files, but by default
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// when you include it, it acts only as .h. To make it include implementations of the functions
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// you must define NOB_IMPLEMENTATION macro. This is done to give you full control over where
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// the implementations go.
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#define NOB_IMPLEMENTATION
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// Always keep a copy of nob.h in your repo. One of my main pet peeves with build systems like CMake
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// and Autotools is that the codebases that use them naturally rot. That is if you do not actively update
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// your build scripts, they may not work with the latest version of the build tools. Here we basically
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// include the entirety of the source code of the tool along with the code base. It will never get
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// outdated (unless you got no standard compliant C compiler lying around, but at that point why are
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// you trying to build a C project?)
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//
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// (In these examples we actually symlinking nob.h, but this is to keep nob.h-s synced among all the
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// examples)
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#include "nob.h"
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// Some folder paths that we use throughout the build process.
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#define BUILD_FOLDER "build/"
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#define SRC_FOLDER "src/"
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#define CC "gcc"
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#define SRCS \
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SRC_FOLDER"main.c", \
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SRC_FOLDER"device.c", \
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SRC_FOLDER"states/lock_state.c", \
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SRC_FOLDER"states/unlock_state.c", \
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SRC_FOLDER"states/debug_state.c", \
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SRC_FOLDER"states/off_state.c", \
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#define C_ARGS \
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"-Wall", \
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"-Wextra"
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int main(int argc, char **argv)
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{
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// This line enables the self-rebuilding. It detects when nob.c is updated and auto rebuilds it then
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// runs it again.
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NOB_GO_REBUILD_URSELF(argc, argv);
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// It's better to keep all the building artifacts in a separate build folder. Let's create it if it
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// does not exist yet.
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//
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// Majority of the nob command return bool which indicates whether operation has failed or not (true -
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// success, false - failure). If the operation returned false you don't need to log anything, the
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// convention is usually that the function logs what happened to itself. Just do
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// `if (!nob_function()) return;`
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if (!nob_mkdir_if_not_exists(BUILD_FOLDER)) return 1;
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// The working horse of nob is the Nob_Cmd structure. It's a Dynamic Array of strings which represent
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// command line that you want to execute.
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Nob_Cmd cmd = {0};
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// nob.h ships with a bunch of nob_cc_* macros that try abstract away the specific compiler.
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// They are verify basic and not particularly flexible, but you can redefine them if you need to
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// or not use them at all and create your own abstraction on top of Nob_Cmd.
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nob_cmd_append(&cmd, CC);
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nob_cmd_append(&cmd, C_ARGS);
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nob_cc_output(&cmd, BUILD_FOLDER "main");
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nob_cc_inputs(&cmd, SRCS);
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if (!nob_cmd_run(&cmd)) return 1;
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return 0;
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} |