On Thu, Aug 31, 2023 at 03:25:09PM -0400, Bruce Momjian wrote: > Being a new user of Debian 12/gcc 12.2.0, I wrote the following shell > script to conditionally add gmake rules with compiler flags to > src/Makefile.custom to suppress warnings for certain files. This allows > me to compile all supported Postgres releases without warnings. > > I actually didn't how simple it was to add per-file compile flags until > I read: > > > https://stackoverflow.com/questions/6546162/how-to-add-different-rules-for-specific-files
This might be simpler for people to modify since it abstracts out the version checking. --------------------------------------------------------------------------- # gmake per-file options: https://stackoverflow.com/questions/6546162/how-to-add-different-rules-for-specific-files for FILE in configure.in configure.ac do if [ -e "$FILE" ] then VERSION=$(sed -n 's/^AC_INIT(\[PostgreSQL\], \[\([0-9]\+\).*$/\1/p' "$FILE") break fi done [ -z "$VERSION" ] && echo 'Could not find Postgres version' 1>&2 && exit 1 if [ "$VERSION" -eq 11 ] then cat >> src/Makefile.custom <<END # new warning in Debian 12, gcc (Debian 12.2.0-14) 12.2.0, 2023-08-14 # Fix for valid macro using stack_base_ptr postgres.o: CFLAGS+=-Wdangling-pointer=0 END fi if [ "$VERSION" -ge 13 ] then cat >> src/Makefile.custom <<END # work around gcc -O1 bug found in PG 13-current, not -O[023], 2023-08-28 # https://www.postgresql.org/message-id/zoz3cbyskbea5...@momjian.us # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111240 clauses.o: CFLAGS+=-O2 END fi -- Bruce Momjian <br...@momjian.us> https://momjian.us EDB https://enterprisedb.com Only you can decide what is important to you.
