Dear Community, I am trying to compile freeradius2.1.10 with oracle instantclient11.2 and having problems where it is not detecting oracle libraries and header files. where the oracle home is /opt/instantclient_11_2 there are two steps that I am trying and both are failing. a: standard compile # ./configure --with-experimental-modules --with-oracle-include-dir=/opt/instantclient_11_2/sdk/include --with-oracle-lib-dir=/opt/instantclient_11_2 --with-oracle-home-dir=/opt/instantclient_11_2 and getting this error === configuring in ./drivers/rlm_sql_oracle (/opt/freeradius-server-2.1.10/src/modules/rlm_sql/./drivers/rlm_sql_oracle) configure: running /bin/sh ./configure '--prefix=/usr/local' '--with-experimental-modules' '--with-oracle-include-dir=/opt/instantclient_11_2/sdk/include' '--with-oracle-lib-dir=/opt/instantclient_11_2' '--with-oracle-home-dir=/opt/instantclient_11_2' '--enable-ltdl-install' --cache-file=/dev/null --srcdir=. checking for oci.h... checking for gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed yes configure: WARNING: oracle libraries not found. Use --with-oracle-lib-dir=<path>. configure: WARNING: silently not building rlm_sql_oracle. configure: WARNING: FAILURE: rlm_sql_oracle requires: libclntsh libnnz10. configure: creating ./config.status config.status: creating Makefile b: in freeradius-server-2.1.10/src/modules/rlm_sql/drivers/rlm_sql_oracle changed the Makefile.in and setting RLM_SQL_CFLAGS = -I/opt/instantclient_11_2/sdk/include $(INCLTDL) RLM_SQL_LIBS = -L/opt/instantclient_11_2 and then make. but still getting the error. any pointers . Thanks Waqas