diff --git a/e2fsprogs/blkid/probe.c b/e2fsprogs/blkid/probe.c
index 2aaa50885..36f7177b8 100644
--- a/e2fsprogs/blkid/probe.c
+++ b/e2fsprogs/blkid/probe.c
@@ -340,7 +340,7 @@ static int probe_swap1(int fd,
 	/* arbitrary sanity check.. is there any garbage down there? */
 	if (sws->sws_pad[32] == 0 && sws->sws_pad[33] == 0)  {
 		if (sws->sws_volume[0])
-			blkid_set_tag(dev, "LABEL", sws->sws_volume,
+			blkid_set_tag(dev, "LABEL", (const char*)sws->sws_volume,
 				      sizeof(sws->sws_volume));
 		if (sws->sws_uuid[0])
 			set_uuid(dev, sws->sws_uuid);
@@ -415,8 +415,8 @@ static int probe_ocfs(int fd __BLKID_ATTR((unused)),
 	else if (major >= 9)
 		blkid_set_tag(dev,"SEC_TYPE","ntocfs",sizeof("ntocfs"));
 
-	blkid_set_tag(dev, "LABEL", ovl.label, ocfslabellen(ovl));
-	blkid_set_tag(dev, "MOUNT", ovh.mount, ocfsmountlen(ovh));
+	blkid_set_tag(dev, "LABEL", (const char*)ovl.label, ocfslabellen(ovl));
+	blkid_set_tag(dev, "MOUNT", (const char*)ovh.mount, ocfsmountlen(ovh));
 	set_uuid(dev, ovl.vol_id);
 	return 0;
 }
@@ -431,7 +431,7 @@ static int probe_ocfs2(int fd __BLKID_ATTR((unused)),
 
 	osb = (struct ocfs2_super_block *)buf;
 
-	blkid_set_tag(dev, "LABEL", osb->s_label, sizeof(osb->s_label));
+	blkid_set_tag(dev, "LABEL", (const char*)osb->s_label, sizeof(osb->s_label));
 	set_uuid(dev, osb->s_uuid);
 	return 0;
 }
diff --git a/e2fsprogs/ext2fs/ext2fs_inline.c b/e2fsprogs/ext2fs/ext2fs_inline.c
index 2fa9a9ed2..73d393d20 100644
--- a/e2fsprogs/ext2fs/ext2fs_inline.c
+++ b/e2fsprogs/ext2fs/ext2fs_inline.c
@@ -178,7 +178,7 @@ __u32 ext2fs_swab32(__u32 val)
 
 int ext2fs_find_first_bit_set(void * addr, unsigned size)
 {
-	char	*cp = (unsigned char *) addr;
+	unsigned char	*cp = (unsigned char *) addr;
 	int	res = 0, d0;
 
 	if (!size)
diff --git a/e2fsprogs/mke2fs.c b/e2fsprogs/mke2fs.c
index 10563e2d9..09d42aacf 100644
--- a/e2fsprogs/mke2fs.c
+++ b/e2fsprogs/mke2fs.c
@@ -878,8 +878,12 @@ BLOCKSIZE_ERROR:
 			mke2fs_warning_msg(1, "fragments not supported. Ignoring -f option");
 			break;
 		case 'g':
-			if (safe_strtoi(optarg, &param.s_blocks_per_group)) {
+			{
+			    int foo;
+			    if (safe_strtoi(optarg, &foo)) {
 				bb_error_msg_and_die("Illegal number for blocks per group");
+			    }
+			    param.s_blocks_per_group = foo;
 			}
 			if ((param.s_blocks_per_group % 8) != 0) {
 				bb_error_msg_and_die("blocks per group must be multiple of 8");
diff --git a/modutils/insmod.c b/modutils/insmod.c
index 390a50316..96d9d5b7d 100644
--- a/modutils/insmod.c
+++ b/modutils/insmod.c
@@ -860,9 +860,11 @@ arch_apply_relocation(struct obj_file *f,
 #if defined(CONFIG_USE_GOT_ENTRIES) || defined(CONFIG_USE_PLT_ENTRIES)
 	struct arch_symbol *isym = (struct arch_symbol *) sym;
 #endif
+#if defined(__arm__) || defined(__i386__) || defined(__mc68000__) || defined(__sh__) || defined(__s390__)
 #if defined(CONFIG_USE_GOT_ENTRIES)
 	ElfW(Addr) got = ifile->got ? ifile->got->header.sh_addr : 0;
 #endif
+#endif
 #if defined(CONFIG_USE_PLT_ENTRIES)
 	ElfW(Addr) plt = ifile->plt ? ifile->plt->header.sh_addr : 0;
 	unsigned long *ip;
@@ -892,7 +894,7 @@ arch_apply_relocation(struct obj_file *f,
 			 * (which is .got) similar to branch,
 			 * but is full 32 bits relative */
 
-			assert(got);
+			assert(got != 0);
 			*loc += got - dot;
 			break;
 
@@ -901,7 +903,7 @@ arch_apply_relocation(struct obj_file *f,
 			goto bb_use_plt;
 
 		case R_ARM_GOTOFF: /* address relative to the got */
-			assert(got);
+			assert(got != 0);
 			*loc += v - got;
 			break;
 
diff --git a/util-linux/fdisk.c b/util-linux/fdisk.c
index 6edf9c31e..48bea42c9 100644
--- a/util-linux/fdisk.c
+++ b/util-linux/fdisk.c
@@ -1908,10 +1908,10 @@ sgi_list_table(int xtra) {
 	    if (sgilabel->directory[i].vol_file_size) {
 	    uint32_t start = SGI_SSWAP32(sgilabel->directory[i].vol_file_start);
 	    uint32_t len = SGI_SSWAP32(sgilabel->directory[i].vol_file_size);
-	    char*name = sgilabel->directory[i].vol_file_name;
+	    unsigned char*name = sgilabel->directory[i].vol_file_name;
 
 	    printf(_("%2d: %-10s sector%5u size%8u\n"),
-		    i, name, (unsigned int) start, (unsigned int) len);
+		    i, (char*)name, (unsigned int) start, (unsigned int) len);
 	}
     }
 }
@@ -1953,7 +1953,7 @@ sgi_check_bootfile(const char* aFile) {
     }
 		}
 	}
-	if (strncmp(aFile, sgilabel->boot_file, 16)) {
+	if (strncmp(aFile, (char*)sgilabel->boot_file, 16)) {
 		printf(_("\n\tBe aware, that the bootfile is not checked for existence.\n\t"
 			 "SGI's default is \"/unix\" and for backup \"/unix.save\".\n"));
 	/* filename is correct and did change */
@@ -1964,7 +1964,7 @@ sgi_check_bootfile(const char* aFile) {
 
 static const char *
 sgi_get_bootfile(void) {
-	return sgilabel->boot_file;
+	return (char*)sgilabel->boot_file;
 }
 
 static void
@@ -1990,7 +1990,7 @@ create_sgiinfo(void)
     /* I keep SGI's habit to write the sgilabel to the second block */
     sgilabel->directory[0].vol_file_start = SGI_SSWAP32(2);
     sgilabel->directory[0].vol_file_size = SGI_SSWAP32(sizeof(sgiinfo));
-    strncpy(sgilabel->directory[0].vol_file_name, "sgilabel", 8);
+    strncpy((char*)sgilabel->directory[0].vol_file_name, "sgilabel", 8);
 }
 
 static sgiinfo *fill_sgiinfo(void);
@@ -2007,7 +2007,7 @@ sgi_write_table(void) {
 	fdisk_fatal(unable_to_seek);
      if (write(fd, sgilabel, SECTOR_SIZE) != SECTOR_SIZE)
 	fdisk_fatal(unable_to_write);
-     if (! strncmp(sgilabel->directory[0].vol_file_name, "sgilabel", 8)) {
+     if (! strncmp((char*)sgilabel->directory[0].vol_file_name, "sgilabel", 8)) {
 	/*
 	 * keep this habit of first writing the "sgilabel".
 	 * I never tested whether it works without (AN 981002).
@@ -2389,7 +2389,7 @@ create_sgilabel(void)
 
     /* sizeof(sgilabel->boot_file) = 16 > 6 */
     memset(sgilabel->boot_file, 0, 16);
-    strcpy(sgilabel->boot_file, "/unix");
+    strcpy((char*)sgilabel->boot_file, "/unix");
 
     sgilabel->devparam.skew                     = (0);
     sgilabel->devparam.gap1                     = (0);
@@ -2451,10 +2451,10 @@ fill_sgiinfo(void)
     info->b2=SGI_SSWAP16(-1);
     info->b3=SGI_SSWAP16(1);
     /* You may want to replace this string !!!!!!! */
-    strcpy( info->scsi_string, "IBM OEM 0662S12         3 30" );
-    strcpy( info->serial, "0000" );
+    strcpy( (char*)info->scsi_string, "IBM OEM 0662S12         3 30" );
+    strcpy( (char*)info->serial, "0000" );
     info->check1816 = SGI_SSWAP16(18*256 +16 );
-    strcpy( info->installer, "Sfx version 5.3, Oct 18, 1994" );
+    strcpy( (char*)info->installer, "Sfx version 5.3, Oct 18, 1994" );
     return info;
 }
 #endif /* SGI_LABEL */
@@ -3937,7 +3937,7 @@ get_partition_table_geometry(void) {
 	int first = 1;
 	int bad = 0;
 
-	if (!(valid_part_table_flag(bufp)))
+	if (!(valid_part_table_flag((char*)bufp)))
 		return;
 
 	hh = ss = 0;
diff --git a/util-linux/mkswap.c b/util-linux/mkswap.c
index 1fc648f3a..e203f0db6 100644
--- a/util-linux/mkswap.c
+++ b/util-linux/mkswap.c
@@ -70,7 +70,7 @@ static int version = -1;
  */
 
 static int pagesize;
-static int *signature_page;
+static unsigned int *signature_page;
 
 static struct swap_header_v1 {
 	char bootbits[1024];		/* Space for disklabel etc. */
@@ -89,7 +89,7 @@ static inline void init_signature_page(void)
 	if (pagesize != PAGE_SIZE)
 		bb_error_msg("Assuming pages of size %d", pagesize);
 #endif
-	signature_page = (int *) xmalloc(pagesize);
+	signature_page = (unsigned int *) xmalloc(pagesize);
 	memset(signature_page, 0, pagesize);
 	p = (struct swap_header_v1 *) signature_page;
 }