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authorPeter Korsgaard <jacmet@sunsite.dk>2007-09-10 07:38:03 +0000
committerPeter Korsgaard <jacmet@sunsite.dk>2007-09-10 07:38:03 +0000
commit2750d69835fb89ce804d173d5380c3b0074b6540 (patch)
treef7b17c7a523f5aaf769cda26791d787d0856c977
parent83ea1970176a85ac6189b0d007d9c4c0a0c9c626 (diff)
downloadbuildroot-novena-2750d69835fb89ce804d173d5380c3b0074b6540.tar.gz
buildroot-novena-2750d69835fb89ce804d173d5380c3b0074b6540.zip
Busybox 1.7.0 patches
-rw-r--r--package/busybox/busybox-1.7.0-gettimeofday_ns.patch95
-rw-r--r--package/busybox/busybox-1.7.0-readlink.patch107
-rw-r--r--package/busybox/busybox-1.7.0-targz_nommu.patch282
-rw-r--r--package/busybox/busybox-1.7.0-trylink.patch89
4 files changed, 573 insertions, 0 deletions
diff --git a/package/busybox/busybox-1.7.0-gettimeofday_ns.patch b/package/busybox/busybox-1.7.0-gettimeofday_ns.patch
new file mode 100644
index 000000000..8c4a8f300
--- /dev/null
+++ b/package/busybox/busybox-1.7.0-gettimeofday_ns.patch
@@ -0,0 +1,95 @@
+diff -urN busybox-1.7.0/networking/isrv.c busybox-1.7.0-gettimeofday_ns/networking/isrv.c
+--- busybox-1.7.0/networking/isrv.c 2007-08-24 11:49:41.000000000 +0100
++++ busybox-1.7.0-gettimeofday_ns/networking/isrv.c 2007-09-06 17:39:55.000000000 +0100
+@@ -21,20 +21,6 @@
+
+ /* Helpers */
+
+-/* Even if _POSIX_MONOTONIC_CLOCK is defined, this
+- * may require librt */
+-#if 0 /*def _POSIX_MONOTONIC_CLOCK*/
+-static time_t monotonic_time(void)
+-{
+- struct timespec ts;
+- if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0)
+- time(&ts.tv_sec);
+- return ts.tv_sec;
+-}
+-#else
+-#define monotonic_time() (time(NULL))
+-#endif
+-
+ /* Opaque structure */
+
+ struct isrv_state_t {
+@@ -258,7 +244,7 @@
+ /* this peer is gone */
+ remove_peer(state, peer);
+ } else if (TIMEOUT) {
+- TIMEO_TBL[peer] = monotonic_time();
++ TIMEO_TBL[peer] = monotonic_sec();
+ }
+ }
+ }
+@@ -335,7 +321,7 @@
+ break;
+
+ if (timeout) {
+- time_t t = monotonic_time();
++ time_t t = monotonic_sec();
+ if (t != CURTIME) {
+ CURTIME = t;
+ handle_timeout(state, do_timeout);
+diff -urN busybox-1.7.0/runit/runsv.c busybox-1.7.0-gettimeofday_ns/runit/runsv.c
+--- busybox-1.7.0/runit/runsv.c 2007-08-24 11:50:01.000000000 +0100
++++ busybox-1.7.0-gettimeofday_ns/runit/runsv.c 2007-09-06 17:39:55.000000000 +0100
+@@ -33,6 +33,34 @@
+ #include "libbb.h"
+ #include "runit_lib.h"
+
++#if ENABLE_MONOTONIC_SYSCALL
++#include <sys/syscall.h>
++
++/* libc has incredibly messy way of doing this,
++ * typically requiring -lrt. We just skip all this mess */
++static void gettimeofday_ns(struct timespec *ts)
++{
++ syscall(__NR_clock_gettime, CLOCK_REALTIME, ts);
++}
++#else
++static void gettimeofday_ns(struct timespec *ts)
++{
++ if (sizeof(struct timeval) == sizeof(struct timespec)
++ && sizeof(((struct timeval*)ts)->tv_usec) == sizeof(ts->tv_nsec)
++ ) {
++ /* Cheat */
++ gettimeofday((void*)ts, NULL);
++ ts->tv_nsec *= 1000;
++ } else {
++ extern void BUG_need_to_implement_gettimeofday_ns(void);
++ BUG_need_to_implement_gettimeofday_ns();
++ }
++}
++#endif
++
++/* Compare possibly overflowing unsigned counters */
++#define LESS(a,b) ((int)((unsigned)(b) - (unsigned)(a)) > 0)
++
+ static int selfpipe[2];
+
+ /* state */
+@@ -126,14 +154,6 @@
+ return 0;
+ }
+
+-#define LESS(a,b) ((int)((unsigned)(b) - (unsigned)(a)) > 0)
+-
+-#include <sys/syscall.h>
+-static void gettimeofday_ns(struct timespec *ts)
+-{
+- syscall(__NR_clock_gettime, CLOCK_REALTIME, ts);
+-}
+-
+ static void update_status(struct svdir *s)
+ {
+ ssize_t sz;
diff --git a/package/busybox/busybox-1.7.0-readlink.patch b/package/busybox/busybox-1.7.0-readlink.patch
new file mode 100644
index 000000000..56596336f
--- /dev/null
+++ b/package/busybox/busybox-1.7.0-readlink.patch
@@ -0,0 +1,107 @@
+diff -urN busybox-1.7.0/applets/applets.c busybox-1.7.0-readlink/applets/applets.c
+--- busybox-1.7.0/applets/applets.c 2007-08-24 11:50:02.000000000 +0100
++++ busybox-1.7.0-readlink/applets/applets.c 2007-09-06 17:41:38.000000000 +0100
+@@ -546,7 +546,7 @@
+ help:
+ output_width = 80;
+ if (ENABLE_FEATURE_AUTOWIDTH) {
+- /* Obtain the terminal width. */
++ /* Obtain the terminal width */
+ get_terminal_width_height(0, &output_width, NULL);
+ }
+ /* leading tab and room to wrap */
+@@ -580,12 +580,11 @@
+
+ if (ENABLE_FEATURE_INSTALLER && strcmp(argv[1], "--install") == 0) {
+ const char *busybox;
+- busybox = xmalloc_readlink_or_warn(bb_busybox_exec_path);
++ busybox = xmalloc_readlink(bb_busybox_exec_path);
+ if (!busybox)
+ busybox = bb_busybox_exec_path;
+ /* -s makes symlinks */
+- install_links(busybox,
+- argv[2] && strcmp(argv[2], "-s") == 0);
++ install_links(busybox, argv[2] && strcmp(argv[2], "-s") == 0);
+ return 0;
+ }
+
+diff -urN busybox-1.7.0/include/libbb.h busybox-1.7.0-readlink/include/libbb.h
+--- busybox-1.7.0/include/libbb.h 2007-08-24 11:49:55.000000000 +0100
++++ busybox-1.7.0-readlink/include/libbb.h 2007-09-06 17:41:38.000000000 +0100
+@@ -248,9 +248,10 @@
+ DIR *xopendir(const char *path);
+ DIR *warn_opendir(const char *path);
+
+-char *xrealloc_getcwd_or_warn(char *cwd);
++/* UNUSED: char *xmalloc_realpath(const char *path); */
++char *xmalloc_readlink(const char *path);
+ char *xmalloc_readlink_or_warn(const char *path);
+-char *xmalloc_realpath(const char *path);
++char *xrealloc_getcwd_or_warn(char *cwd);
+
+
+ //TODO: signal(sid, f) is the same? then why?
+@@ -316,8 +317,8 @@
+ };
+ /* Create stream socket, and allocate suitable lsa.
+ * (lsa of correct size and lsa->sa.sa_family (AF_INET/AF_INET6))
+- * af == AF_UNSPEC will result in trying to create IPv6, and
+- * if kernel doesn't support it, IPv4.
++ * af == AF_UNSPEC will result in trying to create IPv6 socket,
++ * and if kernel doesn't support it, IPv4.
+ */
+ int xsocket_type(len_and_sockaddr **lsap, USE_FEATURE_IPV6(int af,) int sock_type);
+ int xsocket_stream(len_and_sockaddr **lsap);
+diff -urN busybox-1.7.0/libbb/xreadlink.c busybox-1.7.0-readlink/libbb/xreadlink.c
+--- busybox-1.7.0/libbb/xreadlink.c 2007-08-24 11:49:51.000000000 +0100
++++ busybox-1.7.0-readlink/libbb/xreadlink.c 2007-09-06 17:41:38.000000000 +0100
+@@ -10,8 +10,7 @@
+ * NOTE: This function returns a malloced char* that you will have to free
+ * yourself. You have been warned.
+ */
+-
+-char *xmalloc_readlink_or_warn(const char *path)
++char *xmalloc_readlink(const char *path)
+ {
+ enum { GROWBY = 80 }; /* how large we will grow strings by */
+
+@@ -20,20 +19,30 @@
+
+ do {
+ buf = xrealloc(buf, bufsize += GROWBY);
+- readsize = readlink(path, buf, bufsize); /* 1st try */
++ readsize = readlink(path, buf, bufsize);
+ if (readsize == -1) {
+- bb_perror_msg("%s", path);
+ free(buf);
+ return NULL;
+ }
+- }
+- while (bufsize < readsize + 1);
++ } while (bufsize < readsize + 1);
+
+ buf[readsize] = '\0';
+
+ return buf;
+ }
+
++char *xmalloc_readlink_or_warn(const char *path)
++{
++ char *buf = xmalloc_readlink(path);
++ if (!buf) {
++ /* EINVAL => "file: Invalid argument" => puzzled user */
++ bb_error_msg("%s: cannot read link (not a symlink?)", path);
++ }
++ return buf;
++}
++
++/* UNUSED */
++#if 0
+ char *xmalloc_realpath(const char *path)
+ {
+ #if defined(__GLIBC__) && !defined(__UCLIBC__)
+@@ -46,3 +55,4 @@
+ return xstrdup(realpath(path, buf));
+ #endif
+ }
++#endif
diff --git a/package/busybox/busybox-1.7.0-targz_nommu.patch b/package/busybox/busybox-1.7.0-targz_nommu.patch
new file mode 100644
index 000000000..aa3c046fd
--- /dev/null
+++ b/package/busybox/busybox-1.7.0-targz_nommu.patch
@@ -0,0 +1,282 @@
+diff -urN busybox-1.7.0/archival/bbunzip.c busybox-1.7.0-targz_nommu/archival/bbunzip.c
+--- busybox-1.7.0/archival/bbunzip.c 2007-08-24 11:49:45.000000000 +0100
++++ busybox-1.7.0-targz_nommu/archival/bbunzip.c 2007-09-06 17:42:02.000000000 +0100
+@@ -298,7 +298,7 @@
+ int unlzma_main(int argc, char **argv);
+ int unlzma_main(int argc, char **argv)
+ {
+- getopt32(argv, "c");
++ getopt32(argv, "cf");
+ argv += optind;
+ /* lzmacat? */
+ if (applet_name[4] == 'c')
+diff -urN busybox-1.7.0/archival/libunarchive/Kbuild busybox-1.7.0-targz_nommu/archival/libunarchive/Kbuild
+--- busybox-1.7.0/archival/libunarchive/Kbuild 2007-08-24 11:49:45.000000000 +0100
++++ busybox-1.7.0-targz_nommu/archival/libunarchive/Kbuild 2007-09-06 17:42:02.000000000 +0100
+@@ -35,36 +35,34 @@
+ get_header_tar.o \
+ filter_accept_list_reassign.o
+
+-# open_transformer uses fork(). Compile it only if absolutely necessary
+ lib-$(CONFIG_RPM) += open_transformer.o
+-lib-$(CONFIG_FEATURE_TAR_BZIP2) += open_transformer.o
+-lib-$(CONFIG_FEATURE_TAR_LZMA) += open_transformer.o
+-lib-$(CONFIG_FEATURE_TAR_GZIP) += open_transformer.o
+-lib-$(CONFIG_FEATURE_TAR_COMPRESS) += open_transformer.o
+-lib-$(CONFIG_FEATURE_DEB_TAR_GZ) += open_transformer.o
+-lib-$(CONFIG_FEATURE_DEB_TAR_BZ2) += open_transformer.o
+-lib-$(CONFIG_FEATURE_DEB_TAR_LZMA) += open_transformer.o
+-
+-lib-$(CONFIG_AR) += get_header_ar.o unpack_ar_archive.o
+-lib-$(CONFIG_BUNZIP2) += decompress_bunzip2.o
+-lib-$(CONFIG_UNLZMA) += decompress_unlzma.o
+-lib-$(CONFIG_CPIO) += get_header_cpio.o
+-lib-$(CONFIG_DPKG) += $(DPKG_FILES)
+-lib-$(CONFIG_DPKG_DEB) += $(DPKG_FILES)
+-lib-$(CONFIG_FEATURE_DEB_TAR_GZ) += $(GUNZIP_FILES) get_header_tar_gz.o
+-lib-$(CONFIG_FEATURE_DEB_TAR_BZ2) += decompress_bunzip2.o get_header_tar_bz2.o
+-lib-$(CONFIG_FEATURE_DEB_TAR_LZMA) += decompress_unlzma.o get_header_tar_lzma.o
+-lib-$(CONFIG_GUNZIP) += $(GUNZIP_FILES)
+-lib-$(CONFIG_FEATURE_GUNZIP_UNCOMPRESS) += decompress_uncompress.o
+-lib-$(CONFIG_RPM2CPIO) += $(GUNZIP_FILES) get_header_cpio.o
+-lib-$(CONFIG_RPM) += $(GUNZIP_FILES) get_header_cpio.o
+-lib-$(CONFIG_FEATURE_RPM_BZ2) += decompress_bunzip2.o
+-lib-$(CONFIG_TAR) += get_header_tar.o
+-lib-$(CONFIG_FEATURE_TAR_BZIP2) += decompress_bunzip2.o get_header_tar_bz2.o
+-lib-$(CONFIG_FEATURE_TAR_LZMA) += decompress_unlzma.o get_header_tar_lzma.o
+-lib-$(CONFIG_FEATURE_TAR_GZIP) += $(GUNZIP_FILES) get_header_tar_gz.o
+-lib-$(CONFIG_FEATURE_TAR_COMPRESS) += decompress_uncompress.o
+-lib-$(CONFIG_UNCOMPRESS) += decompress_uncompress.o
+-lib-$(CONFIG_UNZIP) += $(GUNZIP_FILES)
+-lib-$(CONFIG_FEATURE_COMPRESS_USAGE) += decompress_bunzip2.o
++lib-$(CONFIG_FEATURE_TAR_BZIP2) += open_transformer.o
++lib-$(CONFIG_FEATURE_TAR_LZMA) += open_transformer.o
++lib-$(CONFIG_FEATURE_TAR_GZIP) += open_transformer.o
++lib-$(CONFIG_FEATURE_TAR_COMPRESS) += open_transformer.o
++lib-$(CONFIG_FEATURE_DEB_TAR_GZ) += open_transformer.o
++lib-$(CONFIG_FEATURE_DEB_TAR_BZ2) += open_transformer.o
++lib-$(CONFIG_FEATURE_DEB_TAR_LZMA) += open_transformer.o
+
++lib-$(CONFIG_AR) += get_header_ar.o unpack_ar_archive.o
++lib-$(CONFIG_BUNZIP2) += decompress_bunzip2.o
++lib-$(CONFIG_UNLZMA) += decompress_unlzma.o
++lib-$(CONFIG_CPIO) += get_header_cpio.o
++lib-$(CONFIG_DPKG) += $(DPKG_FILES)
++lib-$(CONFIG_DPKG_DEB) += $(DPKG_FILES)
++lib-$(CONFIG_FEATURE_DEB_TAR_GZ) += $(GUNZIP_FILES) get_header_tar_gz.o
++lib-$(CONFIG_FEATURE_DEB_TAR_BZ2) += decompress_bunzip2.o get_header_tar_bz2.o
++lib-$(CONFIG_FEATURE_DEB_TAR_LZMA) += decompress_unlzma.o get_header_tar_lzma.o
++lib-$(CONFIG_GUNZIP) += $(GUNZIP_FILES)
++lib-$(CONFIG_FEATURE_GUNZIP_UNCOMPRESS) += decompress_uncompress.o
++lib-$(CONFIG_RPM2CPIO) += $(GUNZIP_FILES) get_header_cpio.o
++lib-$(CONFIG_RPM) += $(GUNZIP_FILES) get_header_cpio.o
++lib-$(CONFIG_FEATURE_RPM_BZ2) += decompress_bunzip2.o
++lib-$(CONFIG_TAR) += get_header_tar.o
++lib-$(CONFIG_FEATURE_TAR_BZIP2) += decompress_bunzip2.o get_header_tar_bz2.o
++lib-$(CONFIG_FEATURE_TAR_LZMA) += decompress_unlzma.o get_header_tar_lzma.o
++lib-$(CONFIG_FEATURE_TAR_GZIP) += $(GUNZIP_FILES) get_header_tar_gz.o
++lib-$(CONFIG_FEATURE_TAR_COMPRESS) += decompress_uncompress.o
++lib-$(CONFIG_UNCOMPRESS) += decompress_uncompress.o
++lib-$(CONFIG_UNZIP) += $(GUNZIP_FILES)
++lib-$(CONFIG_FEATURE_COMPRESS_USAGE) += decompress_bunzip2.o
+diff -urN busybox-1.7.0/archival/libunarchive/get_header_tar_bz2.c busybox-1.7.0-targz_nommu/archival/libunarchive/get_header_tar_bz2.c
+--- busybox-1.7.0/archival/libunarchive/get_header_tar_bz2.c 2007-08-24 11:49:45.000000000 +0100
++++ busybox-1.7.0-targz_nommu/archival/libunarchive/get_header_tar_bz2.c 2007-09-06 17:42:02.000000000 +0100
+@@ -11,7 +11,7 @@
+ /* Can't lseek over pipes */
+ archive_handle->seek = seek_by_read;
+
+- archive_handle->src_fd = open_transformer(archive_handle->src_fd, unpack_bz2_stream);
++ archive_handle->src_fd = open_transformer(archive_handle->src_fd, unpack_bz2_stream, "bunzip2", "bunzip2", "-cf", "-", NULL);
+ archive_handle->offset = 0;
+ while (get_header_tar(archive_handle) == EXIT_SUCCESS) /**/;
+
+diff -urN busybox-1.7.0/archival/libunarchive/get_header_tar_gz.c busybox-1.7.0-targz_nommu/archival/libunarchive/get_header_tar_gz.c
+--- busybox-1.7.0/archival/libunarchive/get_header_tar_gz.c 2007-08-24 11:49:45.000000000 +0100
++++ busybox-1.7.0-targz_nommu/archival/libunarchive/get_header_tar_gz.c 2007-09-06 17:42:02.000000000 +0100
+@@ -8,19 +8,26 @@
+
+ char get_header_tar_gz(archive_handle_t *archive_handle)
+ {
++#if BB_MMU
+ unsigned char magic[2];
++#endif
+
+ /* Can't lseek over pipes */
+ archive_handle->seek = seek_by_read;
+
++ /* Check gzip magic only if open_transformer will invoke unpack_gz_stream (MMU case).
++ * Otherwise, it will invoke an external helper "gunzip -cf" (NOMMU case) which will
++ * need the header. */
++#if BB_MMU
+ xread(archive_handle->src_fd, &magic, 2);
+ if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
+ bb_error_msg_and_die("invalid gzip magic");
+ }
+
+ check_header_gzip_or_die(archive_handle->src_fd);
++#endif
+
+- archive_handle->src_fd = open_transformer(archive_handle->src_fd, unpack_gz_stream);
++ archive_handle->src_fd = open_transformer(archive_handle->src_fd, unpack_gz_stream, "gunzip", "gunzip", "-cf", "-", NULL);
+ archive_handle->offset = 0;
+ while (get_header_tar(archive_handle) == EXIT_SUCCESS) /**/;
+
+diff -urN busybox-1.7.0/archival/libunarchive/get_header_tar_lzma.c busybox-1.7.0-targz_nommu/archival/libunarchive/get_header_tar_lzma.c
+--- busybox-1.7.0/archival/libunarchive/get_header_tar_lzma.c 2007-08-24 11:49:45.000000000 +0100
++++ busybox-1.7.0-targz_nommu/archival/libunarchive/get_header_tar_lzma.c 2007-09-06 17:42:02.000000000 +0100
+@@ -14,7 +14,7 @@
+ /* Can't lseek over pipes */
+ archive_handle->seek = seek_by_read;
+
+- archive_handle->src_fd = open_transformer(archive_handle->src_fd, unpack_lzma_stream);
++ archive_handle->src_fd = open_transformer(archive_handle->src_fd, unpack_lzma_stream, "unlzma", "unlzma", "-cf", "-", NULL);
+ archive_handle->offset = 0;
+ while (get_header_tar(archive_handle) == EXIT_SUCCESS) /**/;
+
+diff -urN busybox-1.7.0/archival/libunarchive/open_transformer.c busybox-1.7.0-targz_nommu/archival/libunarchive/open_transformer.c
+--- busybox-1.7.0/archival/libunarchive/open_transformer.c 2007-08-24 11:49:45.000000000 +0100
++++ busybox-1.7.0-targz_nommu/archival/libunarchive/open_transformer.c 2007-09-05 12:28:55.000000000 +0100
+@@ -7,27 +7,48 @@
+ #include "unarchive.h"
+
+ /* transformer(), more than meets the eye */
++/*
++ * On MMU machine, the transform_prog and ... are stripped
++ * by a macro in include/unarchive.h. On NOMMU, transformer is stripped.
++ */
+ int open_transformer(int src_fd,
+- USE_DESKTOP(long long) int (*transformer)(int src_fd, int dst_fd))
++ USE_DESKTOP(long long) int (*transformer)(int src_fd, int dst_fd),
++ const char *transform_prog, ...)
+ {
+ int fd_pipe[2];
+ int pid;
+
+ xpipe(fd_pipe);
+
++#if BB_MMU
+ pid = fork();
+- if (pid == -1) {
++#else
++ pid = vfork();
++#endif
++ if (pid == -1)
+ bb_perror_msg_and_die("fork failed");
+- }
+
+ if (pid == 0) {
++#if !BB_MMU
++ va_list ap;
++#endif
+ /* child process */
+ close(fd_pipe[0]); /* We don't wan't to read from the parent */
+ // FIXME: error check?
++#if BB_MMU
+ transformer(src_fd, fd_pipe[1]);
+- close(fd_pipe[1]); /* Send EOF */
+- close(src_fd);
++ if (ENABLE_FEATURE_CLEAN_UP) {
++ close(fd_pipe[1]); /* Send EOF */
++ close(src_fd);
++ }
+ exit(0);
++#else
++ xmove_fd(src_fd, 0);
++ xmove_fd(fd_pipe[1], 1);
++ va_start(ap, transform_prog);
++ BB_EXECVP(transform_prog, ap);
++ bb_perror_and_die("exec failed");
++#endif
+ /* notreached */
+ }
+
+diff -urN busybox-1.7.0/archival/rpm.c busybox-1.7.0-targz_nommu/archival/rpm.c
+--- busybox-1.7.0/archival/rpm.c 2007-08-24 11:49:45.000000000 +0100
++++ busybox-1.7.0-targz_nommu/archival/rpm.c 2007-09-06 17:42:02.000000000 +0100
+@@ -187,9 +187,15 @@
+
+ static void extract_cpio_gz(int fd)
+ {
+- USE_DESKTOP(long long) int (*xformer)(int src_fd, int dst_fd);
+ archive_handle_t *archive_handle;
+ unsigned char magic[2];
++#if BB_MMU
++ USE_DESKTOP(long long) int (*xformer)(int src_fd, int dst_fd);
++ enum { xformer_prog = 0 };
++#else
++ enum { xformer = 0 };
++ const char *xformer_prog;
++#endif
+
+ /* Initialize */
+ archive_handle = init_handle();
+@@ -202,11 +208,19 @@
+ archive_handle->offset = 0;
+
+ xread(archive_handle->src_fd, &magic, 2);
++#if BB_MMU
+ xformer = unpack_gz_stream;
++#else
++ xformer_prog = "gunzip";
++#endif
+ if ((magic[0] != 0x1f) || (magic[1] != 0x8b)) {
+ if (ENABLE_FEATURE_RPM_BZ2
+ && (magic[0] == 0x42) && (magic[1] == 0x5a)) {
++#if BB_MMU
+ xformer = unpack_bz2_stream;
++#else
++ xformer_prog = "bunzip2";
++#endif
+ /* We can do better, need modifying unpack_bz2_stream to not require
+ * first 2 bytes. Not very hard to do... I mean, TODO :) */
+ xlseek(archive_handle->src_fd, -2, SEEK_CUR);
+@@ -214,11 +228,17 @@
+ bb_error_msg_and_die("no gzip"
+ USE_FEATURE_RPM_BZ2("/bzip")
+ " magic");
+- } else
++ } else {
+ check_header_gzip_or_die(archive_handle->src_fd);
++#if !BB_MMU
++ /* NOMMU version of open_transformer execs an external unzipper that should
++ * have the file position at the start of the file */
++ xlseek(archive_handle->src_fd, 0, SEEK_SET);
++#endif
++ }
+
+ xchdir("/"); /* Install RPM's to root */
+- archive_handle->src_fd = open_transformer(archive_handle->src_fd, xformer);
++ archive_handle->src_fd = open_transformer(archive_handle->src_fd, xformer, xformer_prog, xformer_prog, "-cf", "-", NULL);
+ archive_handle->offset = 0;
+ while (get_header_cpio(archive_handle) == EXIT_SUCCESS)
+ continue;
+diff -urN busybox-1.7.0/archival/tar.c busybox-1.7.0-targz_nommu/archival/tar.c
+--- busybox-1.7.0/archival/tar.c 2007-08-24 11:49:45.000000000 +0100
++++ busybox-1.7.0-targz_nommu/archival/tar.c 2007-09-06 17:42:02.000000000 +0100
+@@ -648,7 +648,7 @@
+ bb_error_msg_and_die("invalid magic");
+ }
+
+- archive_handle->src_fd = open_transformer(archive_handle->src_fd, uncompress);
++ archive_handle->src_fd = open_transformer(archive_handle->src_fd, uncompress, "uncompress", "uncompress", "-cf", "-", NULL);
+ archive_handle->offset = 0;
+ while (get_header_tar(archive_handle) == EXIT_SUCCESS)
+ /* nothing */;
+diff -urN busybox-1.7.0/include/unarchive.h busybox-1.7.0-targz_nommu/include/unarchive.h
+--- busybox-1.7.0/include/unarchive.h 2007-08-24 11:49:55.000000000 +0100
++++ busybox-1.7.0-targz_nommu/include/unarchive.h 2007-09-06 17:42:02.000000000 +0100
+@@ -115,7 +115,13 @@
+ extern USE_DESKTOP(long long) int unpack_gz_stream(int src_fd, int dst_fd);
+ extern USE_DESKTOP(long long) int unpack_lzma_stream(int src_fd, int dst_fd);
+
++#if BB_MMU
+ extern int open_transformer(int src_fd,
+ USE_DESKTOP(long long) int (*transformer)(int src_fd, int dst_fd));
++#define open_transformer(src_fd, transformer, transform_prog, ...) open_transformer(src_fd, transformer)
++#else
++extern int open_transformer(int src_fd, const char *transform_prog, ...);
++#define open_transformer(src_fd, transformer, transform_prog, ...) open_transformer(src_fd, transform_prog, __VA_ARGS__)
++#endif
+
+ #endif
diff --git a/package/busybox/busybox-1.7.0-trylink.patch b/package/busybox/busybox-1.7.0-trylink.patch
new file mode 100644
index 000000000..051f2af0e
--- /dev/null
+++ b/package/busybox/busybox-1.7.0-trylink.patch
@@ -0,0 +1,89 @@
+diff -urN busybox-1.7.0/scripts/trylink busybox-1.7.0-trylink/scripts/trylink
+--- busybox-1.7.0/scripts/trylink 2007-08-24 11:49:43.000000000 +0100
++++ busybox-1.7.0-trylink/scripts/trylink 2007-09-03 12:08:18.000000000 +0100
+@@ -14,37 +14,30 @@
+ BBOX_LIB_LIST=`echo "$BBOX_LIB_LIST" | xargs -n1 | sort | uniq | xargs`
+
+ # First link with all libs. If it fails, bail out
+-l_list=`echo "$BBOX_LIB_LIST" | sed -e 's/ / -l/g' -e 's/^/-l/'`
+ echo "Trying libraries: $BBOX_LIB_LIST"
+-try "-Wl,--start-group $l_list -Wl,--end-group" "$@" \
++l_list=`echo "$BBOX_LIB_LIST" | sed -e 's/ / -l/g' -e 's/^/-l/' -e 's/^-l$//'`
++test "x$l_list" != "x" && l_list="-Wl,--start-group $l_list -Wl,--end-group"
++try "$l_list" "$@" \
+ || {
+ echo "Failed: $* -Wl,--start-group $l_list -Wl,--end-group"
+ cat busybox_ld.err
+ exit 1
+ }
+
+-#### Hack disabled: conflicts with ld --verbose flag in last link phase
+-
+-##### Hack: we are not supposed to know executable name,
+-##### but this hack cuts down link time
+-####mv busybox_unstripped busybox_unstripped.tmp
+-####mv busybox.map busybox.map.tmp
+-
+ # Now try to remove each lib and build without it.
+ # Stop when no lib can be removed.
+-####ever_discarded=false
+ while test "$BBOX_LIB_LIST"; do
+ $debug && echo "Trying libraries: $BBOX_LIB_LIST"
+ all_needed=true
+ for one in $BBOX_LIB_LIST; do
+ without_one=`echo " $BBOX_LIB_LIST " | sed "s/ $one / /g" | xargs`
+- l_list=`echo "$without_one" | sed -e 's/ / -l/g' -e 's/^/-l/'`
+- $debug && echo "Trying -l options: $l_list"
+- if try "-Wl,--start-group $l_list -Wl,--end-group" "$@"; then
++ l_list=`echo "$without_one" | sed -e 's/ / -l/g' -e 's/^/-l/' -e 's/^-l$//'`
++ test "x$l_list" != "x" && l_list="-Wl,--start-group $l_list -Wl,--end-group"
++ $debug && echo "Trying -l options: '$l_list'"
++ if try "$l_list" "$@"; then
+ echo "Library $one is not needed"
+ BBOX_LIB_LIST="$without_one"
+ all_needed=false
+-#### ever_discarded=true
+ else
+ echo "Library $one is needed"
+ fi
+@@ -57,24 +50,19 @@
+ #{ echo "$BBOX_LIB_LIST" | grep -q ' '; } || break
+ done
+
+-####mv busybox_unstripped.tmp busybox_unstripped
+-####mv busybox.map.tmp busybox.map
+-####$ever_discarded && {
+- # Make the binary with final, minimal list of libs
+- echo "Final link with: $BBOX_LIB_LIST"
+- l_list=`echo "$BBOX_LIB_LIST" | sed -e 's/ / -l/g' -e 's/^/-l/'`
+- # --verbose gives us gobs of info to stdout (e.g. linker script used)
+- if ! test -f busybox_ldscript; then
+- try "-Wl,--start-group $l_list -Wl,--end-group -Wl,--verbose" "$@" >busybox_ld.out ####|| exit 1
+- else
+- echo "Custom linker script 'busybox_ldscript' found, using it"
+- # Add SORT_BY_ALIGNMENT to linker script (found in busybox_ld.out):
+- # .rodata : { *(.rodata SORT_BY_ALIGNMENT(.rodata.*) .gnu.linkonce.r.*) }
+- # *(.data SORT_BY_ALIGNMENT(.data.*) .gnu.linkonce.d.*)
+- # *(.bss SORT_BY_ALIGNMENT(.bss.*) .gnu.linkonce.b.*)
+- # This will eliminate most of the data padding (~3kb).
+- try "-Wl,--start-group $l_list -Wl,--end-group -Wl,--verbose -Wl,-T -Wl,busybox_ldscript" "$@" >busybox_ld.out
+- fi
+-####}
+-####rm busybox_ld.err
+-####exit 0 # Ensure "success" exit code
++# Make the binary with final, minimal list of libs
++echo "Final link with: $BBOX_LIB_LIST"
++l_list=`echo "$BBOX_LIB_LIST" | sed -e 's/ / -l/g' -e 's/^/-l/' -e 's/^-l$//'`
++test "x$l_list" != "x" && l_list="-Wl,--start-group $l_list -Wl,--end-group -Wl,--verbose"
++# --verbose gives us gobs of info to stdout (e.g. linker script used)
++if ! test -f busybox_ldscript; then
++ try "$l_list -Wl,--verbose" "$@" >busybox_ld.out
++else
++ echo "Custom linker script 'busybox_ldscript' found, using it"
++ # Add SORT_BY_ALIGNMENT to linker script (found in busybox_ld.out):
++ # .rodata : { *(.rodata SORT_BY_ALIGNMENT(.rodata.*) .gnu.linkonce.r.*) }
++ # *(.data SORT_BY_ALIGNMENT(.data.*) .gnu.linkonce.d.*)
++ # *(.bss SORT_BY_ALIGNMENT(.bss.*) .gnu.linkonce.b.*)
++ # This will eliminate most of the data padding (~3kb).
++ try "$l_list -Wl,--verbose -Wl,-T -Wl,busybox_ldscript" "$@" >busybox_ld.out
++fi