As i mentioned i have jenkins on Ubuntu 18.04 and I am able to configure jobs for C, Qt aplications(Desktop) and works fine with this requirement but when i want create jobs to build Qt WebAssembly, make fails due to some absulute path issues for more info please refer below summary
WARNING root: [33mDisabling asm.js validation for memory growth (memory can grow, but you lose some amount of speed)[0m
em++ -pipe -O3 -std=gnu++11 -s ALLOW_MEMORY_GROWTH=1 -Wall -Wextra -dM -E -o moc_predefs.h /home/kmb/Qt/5.14.0/wasm_32/mkspecs/features/data/dummy.cpp
clang: error: no such file or directory: 'ALLOW_MEMORY_GROWTH=1'
Makefile:870: recipe for target 'moc_predefs.h' failed
make: *** [moc_predefs.h] Error 1
Build step 'Execute shell' marked build as failure