When I was building asyn4-38, I encountered the following error.
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/usr/bin/gcc -D_GNU_SOURCE -D_DEFAULT_SOURCE -DUSE_TYPED_RSET -DUSE_TYPED_DSET -DUSE_TYPED_DRVET -D_X86_64_ -DUNIX -Dlinux -O3 -g -Wall -DUSE_TYPED_RSET -DUSE_TYPED_DSET -DUSE_TYPED_DRVET -mtune=generic -m64 -fPIC -I. -I../O.Common
-I. -I. -I../../asyn/drvAsynSerial/os/Linux -I../../asyn/drvAsynSerial/os/default -I.. -I../../asyn/asynDriver -I../../asyn/asynGpib -I../../asyn/drvAsynSerial -I../../asyn/interfaces -I../../asyn/miscellaneous -I../../asyn/asynPortDriver/exceptions -I../../asyn/asynPortDriver
-I../../asyn/asynPortClient -I../../asyn/devEpics -I../../asyn/asynRecord -I../../asyn/vxi11 -I../../asyn/gsIP488 -I../../asyn/ni1014 -I../../asyn/devGpib -I../../include/compiler/gcc -I../../include/os/Linux -I../../include -I/usr/local/EPICS_NEW/base-3.15.6/include/compiler/gcc
-I/usr/local/EPICS_NEW/base-3.15.6/include/os/Linux -I/usr/local/EPICS_NEW/base-3.15.6/include -c ../../asyn/asynRecord/drvAsyn.c
make[2]: *** No rule to make target 'vxi11core_xdr.c', needed by 'vxi11core_xdr.o'. Stop.
make[2]: Leaving directory '/usr/local/EPICS_NEW/synApps_6_1/support/asyn4-38/asyn/O.linux-x86_64'
make[1]: *** [/usr/local/EPICS_NEW/base-3.15.6/configure/RULES_ARCHS:58: install.linux-x86_64] Error 2
make[1]: Leaving directory '/usr/local/EPICS_NEW/synApps_6_1/support/asyn4-38/asyn'
make: *** [/usr/local/EPICS_NEW/base-3.15.6/configure/RULES_DIRS:84: asyn.install] Error 2
Best,
Jong