Files
autosample/nob.c
2026-02-22 23:35:17 -05:00

143 lines
4.4 KiB
C

// Bootstrap: cl /nologo nob.c
// After that, just run: nob.exe
#define NOB_IMPLEMENTATION
#include "nob.h"
#define BUILD_DIR "build"
#define IMGUI_LIB BUILD_DIR "/imgui.lib"
static const char *src_files[] = {
"src/main.cpp",
"src/platform/platform_win32.cpp",
"src/renderer/renderer_dx12.cpp",
};
static const char *imgui_files[] = {
"vendor/imgui/imgui.cpp",
"vendor/imgui/imgui_draw.cpp",
"vendor/imgui/imgui_tables.cpp",
"vendor/imgui/imgui_widgets.cpp",
"vendor/imgui/imgui_demo.cpp",
"vendor/imgui/backends/imgui_impl_win32.cpp",
"vendor/imgui/backends/imgui_impl_dx12.cpp",
};
static const char *link_libs[] = {
"d3d12.lib",
"dxgi.lib",
"d3dcompiler.lib",
"user32.lib",
"gdi32.lib",
"shell32.lib",
"ole32.lib",
"dwmapi.lib",
};
static bool build_imgui_lib(void) {
int need = nob_needs_rebuild(IMGUI_LIB, imgui_files, NOB_ARRAY_LEN(imgui_files));
if (need < 0) return false;
if (!need) {
nob_log(NOB_INFO, "%s is up to date", IMGUI_LIB);
return true;
}
nob_log(NOB_INFO, "Building %s...", IMGUI_LIB);
// Compile each imgui source to .obj
Nob_Cmd cmd = {0};
nob_cmd_append(&cmd, "cl.exe");
nob_cmd_append(&cmd, "/nologo", "/std:c++17", "/EHsc", "/W3", "/c");
nob_cmd_append(&cmd, "/Ivendor/imgui", "/Ivendor/imgui/backends");
#ifdef _DEBUG
nob_cmd_append(&cmd, "/Zi", "/Od", "/D_DEBUG");
#else
nob_cmd_append(&cmd, "/O2", "/DNDEBUG");
#endif
nob_cmd_append(&cmd, nob_temp_sprintf("/Fo:%s/", BUILD_DIR));
nob_cmd_append(&cmd, nob_temp_sprintf("/Fd:%s/", BUILD_DIR));
for (size_t i = 0; i < NOB_ARRAY_LEN(imgui_files); i++)
nob_cmd_append(&cmd, imgui_files[i]);
if (!nob_cmd_run(&cmd)) return false;
// Archive .obj files into a .lib
cmd.count = 0;
nob_cmd_append(&cmd, "lib.exe", "/nologo");
nob_cmd_append(&cmd, nob_temp_sprintf("/OUT:%s", IMGUI_LIB));
for (size_t i = 0; i < NOB_ARRAY_LEN(imgui_files); i++) {
const char *base = nob_temp_sprintf("%s", imgui_files[i]);
const char *slash = strrchr(base, '/');
const char *name = slash ? slash + 1 : base;
size_t len = strlen(name);
char *obj = nob_temp_sprintf("%s/%.*s.obj", BUILD_DIR, (int)(len - 4), name);
nob_cmd_append(&cmd, obj);
}
if (!nob_cmd_run(&cmd)) return false;
// Clean up imgui .obj files
for (size_t i = 0; i < NOB_ARRAY_LEN(imgui_files); i++) {
const char *slash = strrchr(imgui_files[i], '/');
const char *name = slash ? slash + 1 : imgui_files[i];
size_t len = strlen(name);
nob_delete_file(nob_temp_sprintf("%s/%.*s.obj", BUILD_DIR, (int)(len - 4), name));
}
return true;
}
int main(int argc, char **argv) {
NOB_GO_REBUILD_URSELF(argc, argv);
if (!nob_mkdir_if_not_exists(BUILD_DIR)) return 1;
// Build vendor libs (unless already built)
if (!build_imgui_lib()) return 1;
// Compile and link
Nob_Cmd cmd = {0};
nob_cmd_append(&cmd, "cl.exe");
nob_cmd_append(&cmd, "/nologo", "/std:c++17", "/EHsc", "/W3");
nob_cmd_append(&cmd, "/Isrc", "/Ivendor/imgui", "/Ivendor/imgui/backends");
#ifdef _DEBUG
nob_cmd_append(&cmd, "/Zi", "/Od", "/D_DEBUG");
#else
nob_cmd_append(&cmd, "/Zi", "/O2", "/DNDEBUG");
#endif
nob_cmd_append(&cmd, nob_temp_sprintf("/Fe:%s/autosample.exe", BUILD_DIR));
nob_cmd_append(&cmd, nob_temp_sprintf("/Fo:%s/", BUILD_DIR));
nob_cmd_append(&cmd, nob_temp_sprintf("/Fd:%s/autosample.pdb", BUILD_DIR));
for (size_t i = 0; i < NOB_ARRAY_LEN(src_files); i++)
nob_cmd_append(&cmd, src_files[i]);
nob_cmd_append(&cmd, "/link");
nob_cmd_append(&cmd, "/SUBSYSTEM:CONSOLE");
nob_cmd_append(&cmd, nob_temp_sprintf("/PDB:%s/autosample.pdb", BUILD_DIR));
nob_cmd_append(&cmd, "/DEBUG");
nob_cmd_append(&cmd, IMGUI_LIB);
for (size_t i = 0; i < NOB_ARRAY_LEN(link_libs); i++)
nob_cmd_append(&cmd, link_libs[i]);
if (!nob_cmd_run(&cmd)) return 1;
// Clean up .obj files
for (size_t i = 0; i < NOB_ARRAY_LEN(src_files); i++) {
const char *slash = strrchr(src_files[i], '/');
const char *name = slash ? slash + 1 : src_files[i];
size_t len = strlen(name);
nob_delete_file(nob_temp_sprintf("%s/%.*s.obj", BUILD_DIR, (int)(len - 4), name));
}
nob_log(NOB_INFO, "Build complete: %s/autosample.exe", BUILD_DIR);
return 0;
}