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|
--- a/mkfs.ubifs/compr.c
+++ b/mkfs.ubifs/compr.c
@@ -24,7 +24,9 @@
#include <stdio.h>
#include <stdint.h>
#include <string.h>
+#ifndef WITHOUT_LZO
#include <lzo/lzo1x.h>
+#endif
#include <linux/types.h>
#define crc32 __zlib_crc32
@@ -35,7 +37,9 @@
#include "ubifs-media.h"
#include "mkfs.ubifs.h"
+#ifndef WITHOUT_LZO
static void *lzo_mem;
+#endif
static unsigned long long errcnt = 0;
static struct ubifs_info *c = &info_;
@@ -86,6 +90,7 @@ static int zlib_deflate(void *in_buf, si
return 0;
}
+#ifndef WITHOUT_LZO
static int lzo_compress(void *in_buf, size_t in_len, void *out_buf,
size_t *out_len)
{
@@ -103,6 +108,7 @@ static int lzo_compress(void *in_buf, si
return 0;
}
+#endif
static int no_compress(void *in_buf, size_t in_len, void *out_buf,
size_t *out_len)
@@ -120,14 +126,20 @@ static int favor_lzo_compress(void *in_b
int lzo_ret, zlib_ret;
size_t lzo_len, zlib_len;
+#ifndef WITHOUT_LZO
lzo_len = zlib_len = *out_len;
lzo_ret = lzo_compress(in_buf, in_len, out_buf, &lzo_len);
+#endif
zlib_ret = zlib_deflate(in_buf, in_len, zlib_buf, &zlib_len);
-
+#ifndef WITHOUT_LZO
if (lzo_ret && zlib_ret)
+#else
+ if (zlib_ret)
+#endif
/* Both compressors failed */
return -1;
+#ifndef WITHOUT_LZO
if (!lzo_ret && !zlib_ret) {
double percent;
@@ -152,6 +164,7 @@ select_lzo:
*out_len = lzo_len;
*type = MKFS_UBIFS_COMPR_LZO;
return 0;
+#endif
select_zlib:
*out_len = zlib_len;
@@ -174,9 +187,11 @@ int compress_data(void *in_buf, size_t i
ret = favor_lzo_compress(in_buf, in_len, out_buf, out_len, &type);
else {
switch (type) {
+#ifndef WITHOUT_LZO
case MKFS_UBIFS_COMPR_LZO:
ret = lzo_compress(in_buf, in_len, out_buf, out_len);
break;
+#endif
case MKFS_UBIFS_COMPR_ZLIB:
ret = zlib_deflate(in_buf, in_len, out_buf, out_len);
break;
@@ -198,13 +213,17 @@ int compress_data(void *in_buf, size_t i
int init_compression(void)
{
+#ifndef WITHOUT_LZO
lzo_mem = malloc(LZO1X_999_MEM_COMPRESS);
if (!lzo_mem)
return -1;
+#endif
zlib_buf = malloc(UBIFS_BLOCK_SIZE * WORST_COMPR_FACTOR);
if (!zlib_buf) {
+#ifndef WITHOUT_LZO
free(lzo_mem);
+#endif
return -1;
}
@@ -214,7 +233,9 @@ int init_compression(void)
void destroy_compression(void)
{
free(zlib_buf);
+#ifndef WITHOUT_LZO
free(lzo_mem);
+#endif
if (errcnt)
fprintf(stderr, "%llu compression errors occurred\n", errcnt);
}
--- a/mkfs.ubifs/Makefile
+++ b/mkfs.ubifs/Makefile
@@ -6,7 +6,13 @@ ALL_SOURCES=*.[ch] hashtable/*.[ch]
TARGETS = mkfs.ubifs
-LDLIBS_mkfs.ubifs = -lz -llzo2 -lm -luuid -L$(BUILDDIR)/../ubi-utils/ -lubi
+ifeq ($(WITHOUT_LZO), 1)
+ CPPFLAGS += -DWITHOUT_LZO
+else
+ LZOLDLIBS = -llzo2
+endif
+
+LDLIBS_mkfs.ubifs = -lz $(LZOLDLIBS) -lm -luuid -L$(BUILDDIR)/../ubi-utils/ -lubi
LDLIBS_mkfs.ubifs += -L$(BUILDDIR)/../lib -lmtd
LDLIBS_mkfs.ubifs += $(ZLIBLDFLAGS) $(LZOLDFLAGS)
|
