Delete tools.cfg
check if build still works
DELETE
cfg/tools.cfg
-[cmake@linuxx86_64]
-toolid = cmake
-version = 3.6.3-sap5
-groupId = com.sap.external.org.cmake
-artifactId = cmake
-classifier = linux_x64
-type = tar.gz
-path = {toolid}-{version}-{runtime}
-executable = bin/cmake
-runtimes = linuxx86_64
-
-[gcc@linuxx86_64]
-toolid = gcc
-version = 9.2.1-sap5
-groupId = com.sap.external.org.gnu.gcc
-artifactId = gcc
-runtime = group,classifier
-type = tar.gz
-path = {toolid}-{version}-{runtime}
-run_path = bin
-runtimes = linuxx86_64
-env{CC} = gcc
-env{CXX} = g++

Delete tools.cfg

check if build still works