On Thu, Mar 14, 2024 at 10:25 PM Changqing Li
<changqing...@windriver.com> wrote:
>
>
> On 3/15/24 13:10, Khem Raj wrote:
>
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> On Thu, Mar 14, 2024 at 10:01 PM Changqing Li
> <changqing...@windriver.com> wrote:
>
> On 3/15/24 01:12, Khem Raj wrote:
>
> CAUTION: This email comes from a non Wind River email account!
> Do not click links or open attachments unless you recognize the sender and 
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> On Thu, Mar 14, 2024 at 12:22 AM Changqing Li
> <changqing...@eng.windriver.com> wrote:
>
> From: Changqing Li <changqing...@windriver.com>
>
> initdb on target will fail with below error:
> 2024-03-13 08:40:23.253 UTC [4410] FATAL:  could not load library 
> "/usr/lib64/postgresql/dict_snowball.so": 
> /usr/lib64/postgresql/dict_snowball.so: undefined symbol: CurrentMemoryContext
>
> Refer [1][2], for cross compile, --export-dynamic is assumed as not
> supported, and cause above error. For oe, both gcc and clang support
> --export-dynamic, fixed by set LDFLAGS_EX_BE directly
>
> [1] 
> https://www.postgresql.org/message-id/79e63515-0f5e-30f4-136d-96e23b1a817d%40posteo.de
> [2] 
> https://github.com/postgres/postgres/commit/9db49fc5bfdc0126be03f4b8986013e59d93b91d#diff-49473dca262eeab3b4a43002adb08b4db31020d190caaad1594b47f1d5daa810
>
> Signed-off-by: Changqing Li <changqing...@windriver.com>
> ---
>  meta-oe/recipes-dbs/postgresql/postgresql.inc | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/meta-oe/recipes-dbs/postgresql/postgresql.inc 
> b/meta-oe/recipes-dbs/postgresql/postgresql.inc
> index 868a2e443..e29a5bef7 100644
> --- a/meta-oe/recipes-dbs/postgresql/postgresql.inc
> +++ b/meta-oe/recipes-dbs/postgresql/postgresql.inc
> @@ -35,6 +35,7 @@ LEAD_SONAME = "libpq.so"
>
>  # LDFLAGS for shared libraries
>  export LDFLAGS_SL = "${LDFLAGS}"
> +export LDFLAGS_EX_BE = "-Wl,--export-dynamic"
>
> this will add all the symbols into dynamic symbol table which may not
> be best scenario, can we just export the ones needed ?
> perhaps look into using --dynamic-list.
>
> Hi, Khem
>
> I tried to use --dynamic-list as you recommended and test command 
> "postgresql_setup initdb",
>
> after I added all the symbols in dict_snowball.so, it will report undefined 
> symbols for another lib. I know I can try to
>
> add all the symbols for all the libs. but there are nearly 80+ libs generated 
> by postgresql. There will be many symbols.
>
> And I also worried that, we may missing some symbols since I may cannot cover 
> all the runtime cases.
>
> From [2], we can know that postgresql use "-Wl,--export-dynamic" before.
>
> So maybe it is better to still use "-Wl,--export-dynamic" like before? what 
> is your opinion?
>
> Yes this maybe ok. I would like you to open a discussion upstream as well.
>
> Do you mean open an discussion about what symbols should in the symbol files? 
>  About the the original issue
>
> "undefined symbol: CurrentMemoryContext",  Upstream said that  
> "Cross-compiling isn't really a supported thing".

hmmm I guess this ends that then

>
>
> //Changqing
>
> Thanks
>
> Changqing
>
>  inherit autotools pkgconfig perlnative python3native python3targetconfig 
> useradd update-rc.d systemd gettext cpan-base multilib_header
>
> --
> 2.25.1
>
>
> 
>
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