Busybox 1.7.0 patches
authorPeter Korsgaard <jacmet@sunsite.dk>
Mon, 10 Sep 2007 07:38:03 +0000 (07:38 -0000)
committerPeter Korsgaard <jacmet@sunsite.dk>
Mon, 10 Sep 2007 07:38:03 +0000 (07:38 -0000)
package/busybox/busybox-1.7.0-gettimeofday_ns.patch [new file with mode: 0644]
package/busybox/busybox-1.7.0-readlink.patch [new file with mode: 0644]
package/busybox/busybox-1.7.0-targz_nommu.patch [new file with mode: 0644]
package/busybox/busybox-1.7.0-trylink.patch [new file with mode: 0644]

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 (file)
index 0000000..8c4a8f3
--- /dev/null
@@ -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 (file)
index 0000000..5659633
--- /dev/null
@@ -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 (file)
index 0000000..aa3c046
--- /dev/null
@@ -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 (file)
index 0000000..051f2af
--- /dev/null
@@ -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