При попытке собрать версию 2.5.5. из исходников получаю следующую ошибку:
/opt/install/pg_probackup-2.5.5 # make USE_PGXS=1 PG_CONFIG=/usr/lib64/postgresql/11/bin/pg_config /opt/mcst/bin/lcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -Wno-format-truncation -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -DFRONTEND -I. -I./ -I/usr/include/postgresql/11/server -I/usr/include/postgresql/11/internal -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -D_GNU_SOURCE -I/usr/include/libxml2 -I/usr/include/postgresql/11 -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS -Isrc -I/opt//src -c -o src/utils/configuration.o src/utils/configuration.c /opt/mcst/bin/lcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -Wno-format-truncation -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -DFRONTEND -I. -I./ -I/usr/include/postgresql/11/server -I/usr/include/postgresql/11/internal -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -D_GNU_SOURCE -I/usr/include/libxml2 -I/usr/include/postgresql/11 -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS -Isrc -I/opt//src -c -o src/utils/json.o src/utils/json.c /opt/mcst/bin/lcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -Wno-format-truncation -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -DFRONTEND -I. -I./ -I/usr/include/postgresql/11/server -I/usr/include/postgresql/11/internal -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -D_GNU_SOURCE -I/usr/include/libxml2 -I/usr/include/postgresql/11 -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS -Isrc -I/opt//src -c -o src/utils/logger.o src/utils/logger.c /opt/mcst/bin/lcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -Wno-format-truncation -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -DFRONTEND -I. -I./ -I/usr/include/postgresql/11/server -I/usr/include/postgresql/11/internal -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -D_GNU_SOURCE -I/usr/include/libxml2 -I/usr/include/postgresql/11 -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS -Isrc -I/opt//src -c -o src/utils/parray.o src/utils/parray.c /opt/mcst/bin/lcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -Wno-format-truncation -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -DFRONTEND -I. -I./ -I/usr/include/postgresql/11/server -I/usr/include/postgresql/11/internal -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -D_GNU_SOURCE -I/usr/include/libxml2 -I/usr/include/postgresql/11 -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS -Isrc -I/opt//src -c -o src/utils/pgut.o src/utils/pgut.c /opt/mcst/bin/lcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -Wno-format-truncation -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -DFRONTEND -I. -I./ -I/usr/include/postgresql/11/server -I/usr/include/postgresql/11/internal -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -D_GNU_SOURCE -I/usr/include/libxml2 -I/usr/include/postgresql/11 -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS -Isrc -I/opt//src -c -o src/utils/thread.o src/utils/thread.c /opt/mcst/bin/lcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -Wno-format-truncation -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -DFRONTEND -I. -I./ -I/usr/include/postgresql/11/server -I/usr/include/postgresql/11/internal -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -D_GNU_SOURCE -I/usr/include/libxml2 -I/usr/include/postgresql/11 -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS -Isrc -I/opt//src -c -o src/utils/remote.o src/utils/remote.c /opt/mcst/bin/lcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -Wno-format-truncation -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -DFRONTEND -I. -I./ -I/usr/include/postgresql/11/server -I/usr/include/postgresql/11/internal -I/usr/lib/perl5/5.30.3/e2k-linux-thread-multi/CORE/ -I/usr/include/python2.7/ -I/usr/include/libxml2 -D_GNU_SOURCE -I/usr/include/libxml2 -I/usr/include/postgresql/11 -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS -Isrc -I/opt//src -c -o src/utils/file.o src/utils/file.c make: *** No rule to make target '/opt/src/include/portability/instr_time.h', needed by 'src/instr_time.h'. Stop.
Сам файл есть:
$ locate instr_time.h
/usr/include/postgresql/11/server/portability/instr_time.h`

$ cat /etc/*release
PRETTY_NAME="Elbrus Linux 6.2"
NAME="Elbrus Linux"
VERSION_ID="6"
VERSION="6.2"
ID="elbrus"
HOME_URL="http://www.mcst.ru/"
SUPPORT_URL="http://www.mcst.ru/support/"
BUG_REPORT_URL="https://bugs.mcst.ru/"

$ uname -a
Linux 5.4.0-3.19-e8c#1 SMP Sat Feb 19 23:51:41 GMT 2022 e2k E8C E8C-SWTX GNU/Linux

$ gcc -v
lcc:1.25.19:Aug-25-2021:e2k-v4-linux
Thread model: posix
gcc version 7.3.0 compatible.