Reworked the source so it will compile and run under glibc 2.0.7

and linux kernel 2.0.36 (though the dubious reasons why someone
would want to do that defy imagination ;)
 -Erik

Changelog

@@ -1,10 +1,12 @@
 0.40
 	* Added the -s option to du -beppu
 	* Fixed an embarrasing segfault in head	-beppu
+	* Fixed an bug in syslogd causing it to stop logging after 20 minutes. -erik
 	* New Apps: lsmod, rmmod -erik
 	* New Apps: fbset contributed by Randolph Chung <tausq@debian.org>.
-	* Fixed an bug in syslogd causing it to stop logging after 20 minutes. -erik
 	* Fixed the embarrasing failure of the -p opition in the logger app. -erik
+	* Re-worked the whole source tree a bit so it will compile under glibc 2.0.7 
+	    with the 2.0.x Linux kernel.
 
 	-Erik Andersen
 

Makefile

@@ -17,7 +17,7 @@
 
 
 PROG=busybox
-VERSION=0.39
+VERSION=0.40
 BUILDTIME=$(shell date "+%Y%m%d-%H%M")
 
 # Comment out the following to make a debuggable build
@@ -31,8 +31,8 @@ DOSTATIC=false
 #This will choke on a non-debian system
 ARCH=`uname -m | sed -e 's/i.86/i386/' | sed -e 's/sparc.*/sparc/'`
 
-GCCMAJVERSION=`$(CC) --version | sed -n "s/^\([0-9]\)\.\([0-9].*\)[\.].*/\1/p"`
+GCCMAJVERSION=$(shell $(CC) --version | sed -n "s/^\([^\.]*\).*/\1/p" )
-GCCMINVERSION=`$(CC) --version | sed -n "s/^\([0-9]\)\.\([0-9].*\)[\.].*/\2/p"`
+GCCMINVERSION=$(shell $(CC) --version | sed -n "s/^[^\.]*\.\([^\.]*\)[\.].*/\1/p" )
 
 GCCSUPPORTSOPTSIZE=$(shell \
 if ( test $(GCCMAJVERSION) -eq 2 ) ; then \

archival/gunzip.c

@@ -805,7 +805,11 @@ int gunzip_main (int argc, char** argv)
 	}
 
 	/* Open output fille */
+#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
 	outFileNum=open( ofname, O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW);
+#else
+	outFileNum=open( ofname, O_RDWR|O_CREAT|O_EXCL);
+#endif
 	if (outFileNum < 0) {
 	    perror(ofname);
 	    do_exit(WARNING);

archival/gzip.c

@@ -1877,7 +1877,11 @@ int gzip_main(int argc, char ** argv)
 
 
 	/* Open output fille */
+#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
 	outFileNum=open( ofname, O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW);
+#else
+	outFileNum=open( ofname, O_RDWR|O_CREAT|O_EXCL);
+#endif
 	if (outFileNum < 0) {
 	    perror(ofname);
 	    do_exit(WARNING);

busybox.spec

@@ -1,5 +1,5 @@
 Name: busybox
-Version: 0.39
+Version: 0.40
 Release: 1
 Group: System/Utilities
 Summary: BusyBox is a tiny suite of Unix utilities in a multi-call binary.

coreutils/dd.c

@@ -33,7 +33,7 @@
 #include <stdio.h>
 #include <fcntl.h>
 #include <errno.h>
-#if (__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 1)
+#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
 #include <inttypes.h>
 #else
 typedef unsigned long long int uintmax_t;

coreutils/du.c

@@ -43,9 +43,6 @@ static int	du_depth = 0;
 
 static Display	*print;
 
-static void
-print_null(size_t size, char *filename) { }
-
 static void
 print_normal(size_t size, char *filename)
 {
@@ -143,4 +140,4 @@ du_main(int argc, char **argv)
     exit(0);
 }
 
-/* $Id: du.c,v 1.7 1999/12/16 21:16:47 beppu Exp $ */
+/* $Id: du.c,v 1.8 1999/12/17 18:44:15 erik Exp $ */

coreutils/tail.c

@@ -27,6 +27,7 @@
 #include "internal.h"
 
 #include <stdio.h>
+#include <stdarg.h>
 #include <assert.h>
 #include <errno.h>
 #include <sys/types.h>

dd.c

@@ -33,7 +33,7 @@
 #include <stdio.h>
 #include <fcntl.h>
 #include <errno.h>
-#if (__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 1)
+#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
 #include <inttypes.h>
 #else
 typedef unsigned long long int uintmax_t;

du.c

@@ -43,9 +43,6 @@ static int	du_depth = 0;
 
 static Display	*print;
 
-static void
-print_null(size_t size, char *filename) { }
-
 static void
 print_normal(size_t size, char *filename)
 {
@@ -143,4 +140,4 @@ du_main(int argc, char **argv)
     exit(0);
 }
 
-/* $Id: du.c,v 1.7 1999/12/16 21:16:47 beppu Exp $ */
+/* $Id: du.c,v 1.8 1999/12/17 18:44:15 erik Exp $ */

examples/busybox.spec

@@ -1,5 +1,5 @@
 Name: busybox
-Version: 0.39
+Version: 0.40
 Release: 1
 Group: System/Utilities
 Summary: BusyBox is a tiny suite of Unix utilities in a multi-call binary.

fbset.c

@@ -32,9 +32,14 @@
 #include <ctype.h>
 #include <sys/ioctl.h>
 #include <linux/fb.h>
+#include <linux/version.h>
 
 #define PERROR(ctx)   do { perror(ctx); exit(1); } while(0)
 
+#ifndef KERNEL_VERSION
+#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
+#endif
+
 #define DEFAULTFBDEV  "/dev/fb0"
 #define DEFAULTFBMODE "/etc/fb.modes"
 
@@ -185,10 +190,16 @@ static void showmode(struct fb_var_screeninfo *v)
 #endif
     printf("\tgeometry %u %u %u %u %u\n", v->xres, v->yres, 
            v->xres_virtual, v->yres_virtual, v->bits_per_pixel);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0)
     printf("\ttimings %u %u %u %u %u %u %u\n", v->pixclock, v->left_margin, 
            v->right_margin, v->upper_margin, v->lower_margin, v->hsync_len,
   	   v->vsync_len);
     printf("\taccel %s\n", (v->accel_flags > 0 ? "true" : "false"));
+#else
+    printf("\ttimings %lu %lu %lu %lu %lu %lu %lu\n", v->pixclock, v->left_margin, 
+           v->right_margin, v->upper_margin, v->lower_margin, v->hsync_len,
+  	   v->vsync_len);
+#endif
     printf("\trgba %u/%u,%u/%u,%u/%u,%u/%u\n", v->red.length, v->red.offset,
            v->green.length, v->green.offset, v->blue.length, v->blue.offset,
 	   v->transp.length, v->transp.offset);
@@ -215,7 +226,6 @@ extern int fbset_main(int argc, char **argv)
 #endif
 {
     struct fb_var_screeninfo var, varset;
-    struct fb_fix_screeninfo fix;
     int fh, i;    
     char *fbdev = DEFAULTFBDEV;
     char *modefile = DEFAULTFBMODE;

gunzip.c

@@ -805,7 +805,11 @@ int gunzip_main (int argc, char** argv)
 	}
 
 	/* Open output fille */
+#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
 	outFileNum=open( ofname, O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW);
+#else
+	outFileNum=open( ofname, O_RDWR|O_CREAT|O_EXCL);
+#endif
 	if (outFileNum < 0) {
 	    perror(ofname);
 	    do_exit(WARNING);

gzip.c

@@ -1877,7 +1877,11 @@ int gzip_main(int argc, char ** argv)
 
 
 	/* Open output fille */
+#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
 	outFileNum=open( ofname, O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW);
+#else
+	outFileNum=open( ofname, O_RDWR|O_CREAT|O_EXCL);
+#endif
 	if (outFileNum < 0) {
 	    perror(ofname);
 	    do_exit(WARNING);

init.c

@@ -41,6 +41,7 @@
 #include <linux/serial.h>	/* for serial_struct */
 #include <sys/vt.h>		/* for vt_stat */
 #include <sys/ioctl.h>
+#include <linux/version.h>
 #ifdef BB_SYSLOGD
 #include <sys/syslog.h>
 #endif
@@ -49,6 +50,10 @@
 #error Sorry, I depend on the /proc filesystem right now.
 #endif
 
+#ifndef KERNEL_VERSION
+#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
+#endif
+
 
 #define VT_PRIMARY      "/dev/tty1"	/* Primary virtual console */
 #define VT_SECONDARY    "/dev/tty2"	/* Virtual console */
@@ -418,9 +423,11 @@ static void halt_signal(int sig)
 	    "The system is halted. Press CTRL-ALT-DEL or turn off power\r\n");
     sync();
 #ifndef DEBUG_INIT
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0)
     if (sig == SIGUSR2)
 	reboot(RB_POWER_OFF);
     else
+#endif
 	reboot(RB_HALT_SYSTEM);
 #endif
     exit(0);

init/init.c

@@ -41,6 +41,7 @@
 #include <linux/serial.h>	/* for serial_struct */
 #include <sys/vt.h>		/* for vt_stat */
 #include <sys/ioctl.h>
+#include <linux/version.h>
 #ifdef BB_SYSLOGD
 #include <sys/syslog.h>
 #endif
@@ -49,6 +50,10 @@
 #error Sorry, I depend on the /proc filesystem right now.
 #endif
 
+#ifndef KERNEL_VERSION
+#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
+#endif
+
 
 #define VT_PRIMARY      "/dev/tty1"	/* Primary virtual console */
 #define VT_SECONDARY    "/dev/tty2"	/* Virtual console */
@@ -418,9 +423,11 @@ static void halt_signal(int sig)
 	    "The system is halted. Press CTRL-ALT-DEL or turn off power\r\n");
     sync();
 #ifndef DEBUG_INIT
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0)
     if (sig == SIGUSR2)
 	reboot(RB_POWER_OFF);
     else
+#endif
 	reboot(RB_HALT_SYSTEM);
 #endif
     exit(0);

tail.c

@@ -27,6 +27,7 @@
 #include "internal.h"
 
 #include <stdio.h>
+#include <stdarg.h>
 #include <assert.h>
 #include <errno.h>
 #include <sys/types.h>

util-linux/fbset.c

@@ -32,9 +32,14 @@
 #include <ctype.h>
 #include <sys/ioctl.h>
 #include <linux/fb.h>
+#include <linux/version.h>
 
 #define PERROR(ctx)   do { perror(ctx); exit(1); } while(0)
 
+#ifndef KERNEL_VERSION
+#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
+#endif
+
 #define DEFAULTFBDEV  "/dev/fb0"
 #define DEFAULTFBMODE "/etc/fb.modes"
 
@@ -185,10 +190,16 @@ static void showmode(struct fb_var_screeninfo *v)
 #endif
     printf("\tgeometry %u %u %u %u %u\n", v->xres, v->yres, 
            v->xres_virtual, v->yres_virtual, v->bits_per_pixel);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0)
     printf("\ttimings %u %u %u %u %u %u %u\n", v->pixclock, v->left_margin, 
            v->right_margin, v->upper_margin, v->lower_margin, v->hsync_len,
   	   v->vsync_len);
     printf("\taccel %s\n", (v->accel_flags > 0 ? "true" : "false"));
+#else
+    printf("\ttimings %lu %lu %lu %lu %lu %lu %lu\n", v->pixclock, v->left_margin, 
+           v->right_margin, v->upper_margin, v->lower_margin, v->hsync_len,
+  	   v->vsync_len);
+#endif
     printf("\trgba %u/%u,%u/%u,%u/%u,%u/%u\n", v->red.length, v->red.offset,
            v->green.length, v->green.offset, v->blue.length, v->blue.offset,
 	   v->transp.length, v->transp.offset);
@@ -215,7 +226,6 @@ extern int fbset_main(int argc, char **argv)
 #endif
 {
     struct fb_var_screeninfo var, varset;
-    struct fb_fix_screeninfo fix;
     int fh, i;    
     char *fbdev = DEFAULTFBDEV;
     char *modefile = DEFAULTFBMODE;

utility.c

@@ -217,10 +217,12 @@ copyFile( const char *srcName, const char *destName,
     if (setModes == TRUE) {
 	//fprintf(stderr, "Setting permissions for %s\n", destName);
 	chmod(destName, srcStatBuf.st_mode);
-	if (followLinks == TRUE)
+#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
-	    chown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
+	if (followLinks == FALSE)
-	else
 	    lchown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
+	else
+#endif
+	    chown(destName, srcStatBuf.st_uid, srcStatBuf.st_gid);
 
 	times.actime = srcStatBuf.st_atime;
 	times.modtime = srcStatBuf.st_mtime;