On Thu, Aug 26, 2021 at 12:49:01PM +0000, REIX, Tony wrote: > While porting postgresql-odbc v13 to AIX, we have found that (at least) 2 > symbols are missing in libpq.a provided by the port of PostgreSQL v13.1 to > AIX 7.1 by the BullFreeware project : > > pg_char_to_encoding > pg_encoding_to_char > > Looking at details, it appears that these symbols are present in version 12.8 > . > They were still missing in 13.4 . > Something has changed between v12 and v13. > > Looking at more details, the way libpq.a is built on AIX is different from > the way libpq.so is built on Linux. > On Linux, the file "exports.txt" is used for building the list of symbols to > be exported. > On AIX, the tool mkldexport.sh is used for dynamically generating the > symbols to be exported. > And it appears that 5 symbols (including the 2 above) are missing on AIX. > Don't know why.
Would you study why it changed? If $(MKLDEXPORT) is no longer able to find all symbols, then we're likely to have problems in more libraries than libpq, including libraries that don't use a $(SHLIB_EXPORTS) file.
