Optimize build process

build/scripts/build_helper.smf

@@ -55,7 +55,7 @@ install_fmt() {
     git clone https://github.com/fmtlib/fmt.git
     ret=$?;[[ $ret -ne 0 ]] && return $ret
     cd fmt
-    cmake .
+    cmake -DFMT_TEST=FALSE  .
     ret=$?;[[ $ret -ne 0 ]] && return $ret
     make -j `nproc`
     ret=$?;[[ $ret -ne 0 ]] && return $ret
@@ -186,7 +186,7 @@ install_nlohmann_from_git() {
     cd json && git checkout master
     ret=$?;[[ $ret -ne 0 ]] && popd && return $ret
     mkdir _build && cd _build
-    cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release ..
+    cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DJSON_BuildTests=OFF ..
     ret=$?;[[ $ret -ne 0 ]] && popd && return $ret
     make
     ret=$?;[[ $ret -ne 0 ]] && popd && return $ret