Document which command causes absl issue for tf-1.11.0-src-static.
```
$ ck install package:lib-tensorflow-1.11.0-src-static
+$ ck compile program:image-classification-tf-cpp
...
g++-7 -c -I../ -DCK_HOST_OS_NAME2_LINUX=1 -DCK_HOST_OS_NAME_LINUX=1 -DCK_TARGET_OS_NAME2_LINUX=1 -DCK_TARGET_OS_NAME_LINUX=1 -std=c++11 -I/home/anton/CK_TOOLS/lib-rtl-xopenme-0.3-gcc-8.2.0-linux-64/include -I/home/anton/CK_TOOLS/lib-tensorflow-src-static-1.11.0-gcc-7.3.0-linux-64/src -I/home/anton/CK_TOOLS/lib-tensorflow-src-static-1.11.0-gcc-7.3.0-linux-64/src/tensorflow/contrib/makefile/downloads/protobuf/src -I/home/anton/CK_TOOLS/lib-tensorflow-src-static-1.11.0-gcc-7.3.0-linux-64/src/tensorflow/contrib/makefile/downloads -I/home/anton/CK_TOOLS/lib-tensorflow-src-static-1.11.0-gcc-7.3.0-linux-64/src/tensorflow/contrib/makefile/downloads/eigen -I/home/anton/CK_TOOLS/lib-tensorflow-src-static-1.11.0-gcc-7.3.0-linux-64/src/tensorflow/contrib/makefile/gen/proto -I/home/anton/CK_TOOLS/lib-tensorflow-src-static-1.11.0-gcc-7.3.0-linux-64/src/tensorflow/contrib/makefile/downloads/nsync/public ../classification.cpp -o classification.o
In file included from /home/anton/CK_TOOLS/lib-tensorflow-src-static-1.11.0-gcc-7.3.0-linux-64/src/tensorflow/core/platform/tensor_coding.h:22:0,
