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- //#bb ldlibs := -lpthread
-
- #include <getopt.h>
- #include <iostream>
-
- #include "BBParser.h"
- #include "parallel.h"
- #include "toolchain.h"
- #include "globals.h"
- #include "logger.h"
- #include "sys.h"
- #include "build.h"
-
- int main(int argc, char **argv) {
- std::string outDir = "bbbuild";
- int jobs = parallel::coreCount();
- std::string workDir = "";
- std::string target = "";
-
- const char *shortopts = "hvo:j:C:cp";
- const struct option opts[] = {
- { "help", no_argument, NULL, 'h' },
- { "verbose", no_argument, NULL, 'v' },
- { "output", required_argument, NULL, 'o' },
- { "jobs", required_argument, NULL, 'j' },
- { "directory", required_argument, NULL, 'C' },
- { "target", required_argument, NULL, 't' },
- {},
- };
-
- const char usage[] =
- "Usage: bbbuild [options...] [sources]\n"
- "\n"
- " -h, --help "
- "Show this help text.\n"
- " -v, --verbose "
- "Show every command as it's executing.\n"
- " -o, --output <dir> "
- "Set output directory. Default: bbbuild\n"
- " -j, --jobs <count> "
- "Set the number of jobs run simultaneously. "
- "Default: the number of cores in the machine.\n"
- " -C, --directory <dir> "
- "Change directory before doing anything else.\n";
-
- // Parse options from argv
- while (1) {
- int optidx;
- int c = getopt_long(argc, argv, shortopts, opts, &optidx);
-
- if (c < 0) {
- break;
- }
-
- switch (c) {
- case 'h':
- puts(usage);
- return 0;
-
- case 'v':
- global::verbose += 1;
- break;
-
- case 'o':
- outDir = optarg;
- break;
-
- case 'j':
- jobs = atoi(optarg);
- if (jobs <= 0) {
- fprintf(stderr, "Can't run %i jobs.\n", jobs);
- return 1;
- }
- break;
-
- case 'C':
- workDir = optarg;
- break;
-
- default:
- printf("Unknown option: '%c'.\n%s", (char)c, usage);
- return 1;
- }
- }
-
- logger::LogContext logCtx = logger::init();
- parallel::ParallelContext par = parallel::init(jobs);
-
- // Change directory?
- if (workDir.size() > 0) {
- fprintf(stderr, "Entering directory '%s'\n", workDir.c_str());
- sys::chdir(workDir);
- }
-
- // Read everything related to the build configuration,
- // finding all source files and reading their configs
- std::vector<std::string> args;
- while (optind < argc) {
- args.push_back(argv[optind++]);
- }
-
- // TODO: Parse variables from CLI
- BBVariables vars;
-
- std::unique_ptr<DepNode> root = buildDepTree(outDir, vars);
- if (root == nullptr) {
- logger::log("No source files.");
- } else if (root->hasChanged(outDir)) {
- root->build(outDir);
- } else {
- logger::log("Nothing to do.");
- }
- }
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