From d78ae27865a215be06268449f4ab6ab016e85f6e Mon Sep 17 00:00:00 2001
From: Ben Gras <ben@minix3.org>
Date: Tue, 22 Jun 2010 21:56:38 +0000
Subject: [PATCH] advent: support ${.OBJDIR} != ${.CURDIR}, tracker item 486

---
 commands/advent/Makefile |  4 ++--
 commands/advent/setup.c  | 16 +++++++++++-----
 2 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/commands/advent/Makefile b/commands/advent/Makefile
index 399acbebd..84cf2b622 100644
--- a/commands/advent/Makefile
+++ b/commands/advent/Makefile
@@ -15,11 +15,11 @@ MAN=
 database.o: advtext.h
 
 setup: setup.c advent.h
-	${CC} ${CPPFLAGS} ${LDFLAGS} -o setup setup.c
+	${CC} ${CPPFLAGS} ${LDFLAGS} -o $@ ${.CURDIR}/setup.c
 
 advtext.h advent1.dat advent2.dat advent3.dat advent4.dat: \
 		setup advent1.txt advent2.txt advent3.txt advent4.txt
-	./setup
+	./setup ${.CURDIR}
 
 CPPFLAGS.advent.c= -DTEXTDIR='"${TEXTDIR}"'
 
diff --git a/commands/advent/setup.c b/commands/advent/setup.c
index c983da9e4..dc15f37f6 100644
--- a/commands/advent/setup.c
+++ b/commands/advent/setup.c
@@ -11,28 +11,34 @@
 #include	<stdlib.h>
 #include	"advent.h"
 
-_PROTOTYPE(int main, (void));
 _PROTOTYPE(void file_error, (char *));
 _PROTOTYPE(void encode, (unsigned char *));
 
-int main()
+int main(int argc, char *argv[])
 {
 
     FILE *isam, *src, *dest;
     char itxt[255];
     int cnt, i;
     long llen;
-    char filename[12];
+    char filename[100];
+    char *inputprefix = ".";
     static char *headername[] = {
        "idx1[MAXLOC]", "idx2[MAXLOC]", "idx3[MAXOBJ]", "idx4[MAXMSG]",
     };
 
     long x29 = (1L << 29), x30 = (1L << 30);
+
+    if(argc > 1) {
+	inputprefix=argv[1];
+    }
+
     if (!(x30 / 2 == x29 && 0L < x30 && x29 < x30)) {
 	fprintf(stderr, "Sorry, advent needs 32-bit `long int's.\n");
 	exit(EXIT_FAILURE);
     }
-    isam = fopen("advtext.h", "w");
+    sprintf(filename, "%s/advtext.h", inputprefix);
+    isam = fopen(filename, "w");
     if (!isam) {
 	fprintf(stderr, "Sorry, I can't open advtext.h...\n");
 	exit(EXIT_FAILURE);
@@ -42,7 +48,7 @@ int main()
     for (i = 1; i <= 4; i++) {
 	cnt = -1;
 	llen = 0L;
-	sprintf(filename, "advent%d.txt", i);
+	sprintf(filename, "%s/advent%d.txt", inputprefix, i);
 	src = fopen(filename, "r");
 	if (!src)
 	    file_error(filename);
-- 
2.44.0