1 files changed, 50 insertions, 36 deletions

diff --git a/vendor/librune/make.c b/vendor/librune/make.c
index c8a2d4d..a7227c9 100644
--- a/vendor/librune/make.c
+++ b/vendor/librune/make.c
@@ -1,6 +1,7 @@
 #include <errno.h>
 #include <glob.h>
 #include <libgen.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
@@ -26,48 +27,59 @@
 		cmdclr(&c); \
 	} while (0)
 
+#define streq(a, b) (!strcmp(a, b))
+
 static void work(void *);
 static int globerr(const char *, int);
 
 int
 main(int argc, char **argv)
 {
-	cmd_t c = {0};
-	size_t n;
-	glob_t g;
-	tpool_t tp;
-
 	cbsinit(argc, argv);
 	rebuild();
 
-	if (chdir(dirname(*argv)) == -1)
-		die("chdir");
-
-	if (glob("lib/utf8/*.c", 0, globerr, &g)
-	    || glob("lib/gbrk/*.c", GLOB_APPEND, globerr, &g))
-	{
-		die("glob");
+	if (argc > 1) {
+		if (streq(argv[1], "clean")) {
+			cmd_t c = {0};
+			cmdadd(&c, "find", ".", "-name", "*.[ao]", "-delete");
+			cmdprc(c);
+		} else {
+			diex("invalid subcommand -- '%s'", argv[1]);
+			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 (foutdatedv("librune.a", (const char **)g.gl_pathv, g.gl_pathc)) {
+			cmdadd(&c, "ar", "rcs", "librune.a");
+			cmdaddv(&c, g.gl_pathv, g.gl_pathc);
+			cmdprc(c);
+		}
+
+		globfree(&g);
 	}
 
-	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);
-
-	cmdadd(&c, "ar", "rcs", "librune.a");
-	for (size_t i = 0; i < g.gl_pathc; i++)
-		g.gl_pathv[i][strlen(g.gl_pathv[i]) - 1] = 'o';
-	cmdaddv(&c, g.gl_pathv, g.gl_pathc);
-	cmdprc(c);
-
-	globfree(&g);
 	return EXIT_SUCCESS;
 }
 
@@ -82,11 +94,13 @@ work(void *p)
 		die("strdup");
 	dst[strlen(dst) - 1] = 'o';
 
-	env_or_default(&sv, "CC", CC);
-	env_or_default(&sv, "CFLAGS", CFLAGS);
-	cmdaddv(&c, sv.buf, sv.len);
-	cmdadd(&c, "-Iinclude", "-fPIC", "-o", dst, "-c", src);
-	cmdprc(c);
+	if (foutdated(dst, src)) {
+		env_or_default(&sv, "CC", CC);
+		env_or_default(&sv, "CFLAGS", CFLAGS);
+		cmdaddv(&c, sv.buf, sv.len);
+		cmdadd(&c, "-Iinclude", "-fPIC", "-o", dst, "-c", src);
+		cmdprc(c);
+	}
 
 	free(dst);
 }