No, you can use external Setup.ini.
Create Setup.ini file where Setup.exe is and insert this content
Code:
[LauncherSettings]
------------------------------------------------------------------------------------------------------------------------------------------------------
InstallRedist=1
ShowCheckAll=1
[Launch1]
Name=DirectX
32Exe={src}\_CommonRedist\DirectX\Jun2010\dxsetup.exe
Argument=/silent
BeforeInstall=0
Checked=0
[Launch2]
Name=Visual C++ 2010
32Exe={src}\_CommonRedist\vcredist\2010\vcredist_x86.exe
64Exe={src}\_CommonRedist\vcredist\2010\vcredist_x64.exe
Argument=/q /norestart
BeforeInstall=0
Checked=0
[Launch3]
Name=Visual C++ 2012
32Exe={src}\_CommonRedist\vcredist\2012\vcredist_x86.exe
Argument=/q /norestart
BeforeInstall=0
Checked=0
[Launch4]
Name=Visual C++ 2015
32Exe={src}\_CommonRedist\vcredist\2015\vc_redist.x86.exe
Argument=/q /norestart
BeforeInstall=0
Checked=0