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authorRichard Purdie <richard.purdie@linuxfoundation.org>2018-04-17 15:42:31 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2018-04-18 18:57:06 +0100
commitfa742af158c82495407ce93feff9a3a199e102cc (patch)
tree567a7ed88033738a8eeb63b5bb56bcc2cd7e31d3 /meta/recipes-core
parent606ff37690acee1fac786ac425d3088b7a4aec02 (diff)
downloadpoky-fa742af158c82495407ce93feff9a3a199e102cc.tar.gz
uninative: Add allow-shlib-undefined to BUILD_LDFLAGS and drop other workarounds
We have a problem when for example, a glibc 2.27 based system builds some library like libpopt-native and puts it into sstate then it is reused on a pre glibc-2.27 system to build something which depends on popt like rpm-native. This results in an error like: recipe-sysroot-native/usr/lib/libpopt.so: undefined reference to `glob@GLIBC_2.27' In the past we've had this problem with new symbols like getrandom and getentropy, here its with a more complex symbol where there is an old version and a newer version. We've looked into various options, basically we cannot link against our uninative libc/ld.so since we don't have the right headers or compiler link libraries. The compiler doesn't allow you to switch in a new set either, even if we did want to ship them. Shipping a complete compiler, dev headers and libs also isn't an option. On the other hand if we follow the ld man page, it does say: """ The reasons for allowing undefined symbol references in shared libraries specified at link time are that: - A shared library specified at link time may not be the same as the one that is available at load time, so the symbol might actually be resolvable at load time. """ which is exactly this case. By the time the binary runs, it will use our uninative loader and libc and the symbol will be available. Therefore we basically have a choice, we get weird intermittent bugs, we drop uninative entirely, or we pass this option. If we pass the option, we can drop the other workarounds too. (From OE-Core rev: 75a62ede393bf6b4972390ef5290d50add19341a) (From OE-Core rev: d18bf7fa8e80d6cfaf3fdbe1ab06eec84b954432) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-core')
-rw-r--r--meta/recipes-core/expat/expat/no_getrandom.patch23
-rw-r--r--meta/recipes-core/expat/expat_2.2.5.bb2
-rw-r--r--meta/recipes-core/util-linux/util-linux/no_getrandom.patch21
-rw-r--r--meta/recipes-core/util-linux/util-linux_2.31.bb1
4 files changed, 0 insertions, 47 deletions
diff --git a/meta/recipes-core/expat/expat/no_getrandom.patch b/meta/recipes-core/expat/expat/no_getrandom.patch
deleted file mode 100644
index d64f1bf113..0000000000
--- a/meta/recipes-core/expat/expat/no_getrandom.patch
+++ /dev/null
@@ -1,23 +0,0 @@
1The native version of expat may be used on older systems which dont have glibc 2.25
2and hence don't have getrandom() thanks to uninative. Disable the libc call and
3use the syscall instead to avoid a compatibility issue until we have 2.25 everywhere
4we support with uninative.
5
6RP
72017/8/14
8
9Upstream-Status: Inappropriate
10
11Index: expat-2.2.3/configure.ac
12===================================================================
13--- expat-2.2.3.orig/configure.ac
14+++ expat-2.2.3/configure.ac
15@@ -151,7 +151,7 @@ AC_LINK_IFELSE([AC_LANG_SOURCE([
16 #include <stdlib.h> /* for NULL */
17 #include <sys/random.h>
18 int main() {
19- return getrandom(NULL, 0U, 0U);
20+ return getrandomBREAKME(NULL, 0U, 0U);
21 }
22 ])], [
23 AC_DEFINE([HAVE_GETRANDOM], [1],
diff --git a/meta/recipes-core/expat/expat_2.2.5.bb b/meta/recipes-core/expat/expat_2.2.5.bb
index bce59298e5..c68a2ef367 100644
--- a/meta/recipes-core/expat/expat_2.2.5.bb
+++ b/meta/recipes-core/expat/expat_2.2.5.bb
@@ -11,8 +11,6 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/expat/expat-${PV}.tar.bz2 \
11 file://libtool-tag.patch \ 11 file://libtool-tag.patch \
12 " 12 "
13 13
14SRC_URI_append_class-native = " file://no_getrandom.patch"
15
16SRC_URI[md5sum] = "789e297f547980fc9ecc036f9a070d49" 14SRC_URI[md5sum] = "789e297f547980fc9ecc036f9a070d49"
17SRC_URI[sha256sum] = "d9dc32efba7e74f788fcc4f212a43216fc37cf5f23f4c2339664d473353aedf6" 15SRC_URI[sha256sum] = "d9dc32efba7e74f788fcc4f212a43216fc37cf5f23f4c2339664d473353aedf6"
18 16
diff --git a/meta/recipes-core/util-linux/util-linux/no_getrandom.patch b/meta/recipes-core/util-linux/util-linux/no_getrandom.patch
deleted file mode 100644
index b9fa1cace4..0000000000
--- a/meta/recipes-core/util-linux/util-linux/no_getrandom.patch
+++ /dev/null
@@ -1,21 +0,0 @@
1getrandom() is only available in glibc 2.25+ and uninative may relocate
2binaries onto systems that don't have this function. For now, force the
3code to the older codepath until we can come up with a better solution
4for this kind of issue.
5
6Upstream-Status: Inappropriate
7RP
82016/8/15
9
10Index: util-linux-2.30/configure.ac
11===================================================================
12--- util-linux-2.30.orig/configure.ac
13+++ util-linux-2.30/configure.ac
14@@ -399,7 +399,6 @@ AC_CHECK_FUNCS([ \
15 getdtablesize \
16 getexecname \
17 getmntinfo \
18- getrandom \
19 getrlimit \
20 getsgnam \
21 inotify_init \
diff --git a/meta/recipes-core/util-linux/util-linux_2.31.bb b/meta/recipes-core/util-linux/util-linux_2.31.bb
index a83919b5ac..7f7a78ef60 100644
--- a/meta/recipes-core/util-linux/util-linux_2.31.bb
+++ b/meta/recipes-core/util-linux/util-linux_2.31.bb
@@ -15,7 +15,6 @@ SRC_URI += "file://configure-sbindir.patch \
15 file://display_testname_for_subtest.patch \ 15 file://display_testname_for_subtest.patch \
16 file://avoid_parallel_tests.patch \ 16 file://avoid_parallel_tests.patch \
17" 17"
18SRC_URI_append_class-native = " file://no_getrandom.patch"
19SRC_URI[md5sum] = "5b6821c403c3cc6e7775f74df1882a20" 18SRC_URI[md5sum] = "5b6821c403c3cc6e7775f74df1882a20"
20SRC_URI[sha256sum] = "f9be7cdcf4fc5c5064a226599acdda6bdf3d86c640152ba01ea642d91108dc8a" 19SRC_URI[sha256sum] = "f9be7cdcf4fc5c5064a226599acdda6bdf3d86c640152ba01ea642d91108dc8a"
21 20