Genesis commit

1 files changed, 159 insertions, 0 deletions

diff --git a/vendor/librune/make.c b/vendor/librune/make.c
new file mode 100644
index 0000000..6f59825
--- /dev/null
+++ b/vendor/librune/make.c
@@ -0,0 +1,159 @@
+#define _GNU_SOURCE
+#include <ctype.h>
+#include <errno.h>
+#include <glob.h>
+#include <libgen.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define CBS_PTHREAD
+#include "cbs.h"
+
+#define CC         "cc"
+#define WARNINGS   "-Wall", "-Wextra", "-Wpedantic", "-Werror", "-Wno-attributes"
+#define CFLAGS_ALL WARNINGS, "-pipe", "-std=c2x"
+#define CFLAGS_DBG CFLAGS_ALL, "-g", "-ggdb3", "-Og"
+#ifdef __APPLE__
+#	define CFLAGS_RLS CFLAGS_ALL, "-O3"
+#else
+#	define CFLAGS_RLS CFLAGS_ALL, "-O3", "-march=native", "-mtune=native"
+#endif
+
+#define _CMDPRC(C, F) \
+	do { \
+		int ec; \
+		F(C); \
+		if ((ec = cmdexec(C)) != EXIT_SUCCESS) \
+			diex("%s terminated with exit-code %d", *(C)._argv, ec); \
+		cmdclr(&(C)); \
+	} while (0)
+#define CMDPRC(C)  _CMDPRC(C, cmdput)
+#define CMDPRC2(C) _CMDPRC(C, cmdput)
+
+#define streq(a, b) (!strcmp(a, b))
+
+#define flagset(o) (flags & (1 << ((o) - 'a')))
+
+static void work(void *);
+static int globerr(const char *, int);
+static void cmdput2(cmd_t);
+
+static uint32_t flags;
+
+int
+main(int argc, char **argv)
+{
+	int opt;
+
+	cbsinit(argc, argv);
+	rebuild();
+
+	while ((opt = getopt(argc, argv, "flr")) != -1) {
+		switch (opt) {
+		case '?':
+			fprintf(stderr, "Usage: %s [-flr]\n", *argv);
+			exit(EXIT_FAILURE);
+		default:
+			flags |= 1 << (opt - 'a');
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	if (argc >= 1) {
+		if (streq(*argv, "clean")) {
+			cmd_t c = {0};
+			cmdadd(&c, "find", ".", "-name", "*.[ao]", "-delete");
+			CMDPRC(c);
+		} else {
+			diex("invalid subcommand -- '%s'", *argv);
+			exit(EXIT_FAILURE);
+		}
+	} else {
+		cmd_t c = {0};
+		size_t n;
+		glob_t g;
+		tpool_t tp;
+
+		if (glob("lib/*/*.c", 0, globerr, &g))
+			die("glob");
+
+		if ((n = nproc()) == -1) {
+			if (errno)
+				die("nproc");
+			n = 8;
+		}
+
+		tpinit(&tp, n);
+		for (size_t i = 0; i < g.gl_pathc; i++)
+			tpenq(&tp, work, g.gl_pathv[i], NULL);
+		tpwait(&tp);
+		tpfree(&tp);
+
+		for (size_t i = 0; i < g.gl_pathc; i++)
+			g.gl_pathv[i][strlen(g.gl_pathv[i]) - 1] = 'o';
+
+		if (flagset('f')
+		    || foutdatedv("librune.a", (const char **)g.gl_pathv, g.gl_pathc))
+		{
+			c.dst = "librune.a";
+			cmdadd(&c, "ar", "rcs", "librune.a");
+			cmdaddv(&c, g.gl_pathv, g.gl_pathc);
+			CMDPRC2(c);
+		}
+
+		globfree(&g);
+	}
+
+	return EXIT_SUCCESS;
+}
+
+void
+work(void *p)
+{
+	cmd_t c = {0};
+	char *src = p;
+	struct strv sv = {0};
+
+	if (!(c.dst = strdup(src)))
+		die("strdup");
+	c.dst[strlen(c.dst) - 1] = 'o';
+
+	if (flagset('f') || foutdated(c.dst, src)) {
+		env_or_default(&sv, "CC", CC);
+		if (flagset('r'))
+			env_or_default(&sv, "CFLAGS", CFLAGS_RLS);
+		else
+			env_or_default(&sv, "CFLAGS", CFLAGS_DBG);
+		cmdaddv(&c, sv.buf, sv.len);
+		if (flagset('l'))
+			cmdadd(&c, "-flto");
+		cmdadd(&c, "-Iinclude", "-fPIC", "-o", c.dst, "-c", src);
+		CMDPRC2(c);
+	}
+
+	free(c.dst);
+}
+
+int
+globerr(const char *s, int e)
+{
+	errno = e;
+	die("glob: %s", s);
+}
+
+void
+cmdput2(cmd_t c)
+{
+	const char *p;
+
+	flockfile(stderr);
+	for (p = *c._argv; *p; p++)
+		fputc(toupper(*p), stderr);
+	fprintf(stderr, "\t%s\n", c.dst);
+	funlockfile(stderr);
+}