Use libc version as a collation version on glibc systems.
Using glibc's version number to detect potential collation definition
changes is not 100% reliable, but it's better than nothing.
Author: Thomas Munro
Reviewed-by: Peter Eisentraut
Discussion: https://postgr.es/m/4b76c6d4-ae5e-0dc6-7d0d-b5c796a07e34%402ndquadrant.com
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/9f90b1d08d796a925808b24f77f624a0ff682c77
Modified Files
--------------
src/backend/utils/adt/pg_locale.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)