diff options
| -rw-r--r-- | meta/recipes-core/eglibc/eglibc-2.12/ld-search-order.patch | 54 | ||||
| -rw-r--r-- | meta/recipes-core/eglibc/eglibc_2.12.bb | 3 |
2 files changed, 56 insertions, 1 deletions
diff --git a/meta/recipes-core/eglibc/eglibc-2.12/ld-search-order.patch b/meta/recipes-core/eglibc/eglibc-2.12/ld-search-order.patch new file mode 100644 index 0000000000..e00f02a55c --- /dev/null +++ b/meta/recipes-core/eglibc/eglibc-2.12/ld-search-order.patch @@ -0,0 +1,54 @@ +The default lib search path order is: + + 1) LD_LIBRARY_PATH + 2) RPATH from the binary + 3) ld.so.cache + 4) default search paths embedded in the linker + +For nativesdk binaries which are being used alongside binaries on a host system, we +need the search paths to firstly search the shipped nativesdk libs but then also +cover the host system. For example we want the host system's libGL and this may be +in a non-standard location like /usr/lib/mesa. The only place the location is know +about is in the ld.so.cache of the host system. + +Since nativesdk has a simple structure and doesn't need to use a cache itself, we +repurpose the cache for use as a last resort in finding host system binaries. This +means we need to switch the order of 3 and 4 above to make this work effectively. + +RP 14/10/2010 + +Index: libc/elf/dl-load.c +=================================================================== +--- libc.orig/elf/dl-load.c 2010-10-14 11:34:54.944365484 +0100 ++++ libc/elf/dl-load.c 2010-10-14 11:35:53.000000000 +0100 +@@ -2105,6 +2105,15 @@ + &loader->l_runpath_dirs, &realname, &fb, loader, + LA_SER_RUNPATH, &found_other_class); + ++ /* Try the default path. */ ++ if (fd == -1 ++ && ((l = loader ?: GL(dl_ns)[nsid]._ns_loaded) == NULL ++ || __builtin_expect (!(l->l_flags_1 & DF_1_NODEFLIB), 1)) ++ && rtld_search_dirs.dirs != (void *) -1) ++ fd = open_path (name, namelen, preloaded, &rtld_search_dirs, ++ &realname, &fb, l, LA_SER_DEFAULT, &found_other_class); ++ ++ /* Finally try ld.so.cache */ + if (fd == -1 + && (__builtin_expect (! preloaded, 1) + || ! INTUSE(__libc_enable_secure))) +@@ -2167,14 +2176,6 @@ + } + } + +- /* Finally, try the default path. */ +- if (fd == -1 +- && ((l = loader ?: GL(dl_ns)[nsid]._ns_loaded) == NULL +- || __builtin_expect (!(l->l_flags_1 & DF_1_NODEFLIB), 1)) +- && rtld_search_dirs.dirs != (void *) -1) +- fd = open_path (name, namelen, preloaded, &rtld_search_dirs, +- &realname, &fb, l, LA_SER_DEFAULT, &found_other_class); +- + /* Add another newline when we are tracing the library loading. */ + if (__builtin_expect (GLRO_dl_debug_mask & DL_DEBUG_LIBS, 0)) + _dl_debug_printf ("\n"); diff --git a/meta/recipes-core/eglibc/eglibc_2.12.bb b/meta/recipes-core/eglibc/eglibc_2.12.bb index 999b0b07da..752c1d8cee 100644 --- a/meta/recipes-core/eglibc/eglibc_2.12.bb +++ b/meta/recipes-core/eglibc/eglibc_2.12.bb @@ -2,7 +2,7 @@ require eglibc.inc DEPENDS += "gperf-native" FILESPATHPKG =. "eglibc-svn:" -PR = "r8" +PR = "r9" EGLIBC_BRANCH="eglibc-2_12" SRC_URI = "svn://www.eglibc.org/svn/branches/;module=${EGLIBC_BRANCH};proto=http \ @@ -12,6 +12,7 @@ SRC_URI = "svn://www.eglibc.org/svn/branches/;module=${EGLIBC_BRANCH};proto=http file://mips-rld-map-check.patch \ file://etc/ld.so.conf \ file://generate-supported.mk" +SRC_URI_append_virtclass-nativesdk = " file://ld-search-order.patch" S = "${WORKDIR}/${EGLIBC_BRANCH}/libc" B = "${WORKDIR}/build-${TARGET_SYS}" |