Index: Setup/bake.bat
==================================================================
--- Setup/bake.bat
+++ Setup/bake.bat
@@ -37,17 +37,24 @@
   )
 )
 
 %_VECHO% Framework = '%FRAMEWORK%'
 
-IF "%PROCESSOR_ARCHITECTURE%"=="x86" GOTO set_path_32
-SET PATH=%ProgramFiles(x86)%\Inno Setup 5;%PATH%
+IF "%PROCESSOR_ARCHITECTURE%" == "x86" GOTO set_path_x86
+
+SET INNOSETUPPATH=%ProgramFiles(x86)%\Inno Setup 5
 GOTO set_path_done
-:set_path_32
-SET PATH=%ProgramFiles%\Inno Setup 5;%PATH%
+
+:set_path_x86
+
+SET INNOSETUPPATH=%ProgramFiles%\Inno Setup 5
+
 :set_path_done
 
+CALL :fn_PrependToPath INNOSETUPPATH
+
+%_VECHO% InnoSetupPath = '%INNOSETUPPATH%'
 %_VECHO% Path = '%PATH%'
 
 %__ECHO% ISCC.exe "%TOOLS%\data\SQLite.iss" "/dAppId=%APPID%" "/dAppPublicKey=%PUBLICKEY%" "/dAppURL=%URL%" "/dIsNetFx2=%ISNETFX2%" "/dVcRuntime=%VCRUNTIME%" "/dAppConfiguration=%CONFIGURATION%" "/dAppPlatform=%PLATFORM%" "/dAppProcessor=%PROCESSOR%" "/dFramework=%FRAMEWORK%" "/dYear=%YEAR%"
 
 IF %ERRORLEVEL% NEQ 0 (
@@ -65,10 +72,22 @@
   )
   ENDLOCAL && (
     SET %1=%VALUE%
   )
   GOTO :EOF
+
+:fn_PrependToPath
+  IF NOT DEFINED %1 GOTO :EOF
+  SETLOCAL
+  SET __ECHO_CMD=ECHO %%%1%%
+  FOR /F "delims=" %%V IN ('%__ECHO_CMD%') DO (
+    SET VALUE=%%V
+  )
+  SET VALUE=%VALUE:"=%
+  REM "
+  ENDLOCAL && SET PATH=%VALUE%;%PATH%
+  GOTO :EOF
 
 :fn_ResetErrorLevel
   VERIFY > NUL
   GOTO :EOF
 

Index: Setup/build.bat
==================================================================
--- Setup/build.bat
+++ Setup/build.bat
@@ -283,11 +283,11 @@
 IF ERRORLEVEL 1 (
   ECHO Could not change directory to "%ROOT%".
   GOTO errors
 )
 
-SET PATH=%BUILDTOOLDIR%;%PATH%
+CALL :fn_PrependToPath BUILDTOOLDIR
 
 %_VECHO% Path = '%PATH%'
 
 IF NOT DEFINED SOLUTION (
   IF DEFINED COREONLY (
@@ -603,10 +603,22 @@
   )
   SET VALUE=%VALUE:"=%
   REM "
   ENDLOCAL && SET %1=%VALUE%
   GOTO :EOF
+
+:fn_PrependToPath
+  IF NOT DEFINED %1 GOTO :EOF
+  SETLOCAL
+  SET __ECHO_CMD=ECHO %%%1%%
+  FOR /F "delims=" %%V IN ('%__ECHO_CMD%') DO (
+    SET VALUE=%%V
+  )
+  SET VALUE=%VALUE:"=%
+  REM "
+  ENDLOCAL && SET PATH=%VALUE%;%PATH%
+  GOTO :EOF
 
 :fn_CopyVariable
   IF NOT DEFINED %1 GOTO :EOF
   IF "%2" == "" GOTO :EOF
   SETLOCAL

Index: Setup/test_ce_200x.bat
==================================================================
--- Setup/test_ce_200x.bat
+++ Setup/test_ce_200x.bat
@@ -33,12 +33,15 @@
 SET TOOLS=%~dp0
 SET TOOLS=%TOOLS:~0,-1%
 
 %_VECHO% Tools = '%TOOLS%'
 
-SET PATH=%ROOT%\Externals\Eagle\bin;%PATH%
+SET EAGLEBINDIR=%ROOT%\Externals\Eagle\bin
+
+CALL :fn_PrependToPath EAGLEBINDIR
 
+%_VECHO% EagleBinDir = '%EAGLEBINDIR%'
 %_VECHO% Path = '%PATH%'
 
 %__ECHO3% CALL "%TOOLS%\vsSp.bat"
 
 IF ERRORLEVEL 1 (
@@ -135,10 +138,22 @@
   ) ELSE (
     ENDLOCAL
   )
   CALL :fn_ResetErrorLevel
   GOTO :EOF
+
+:fn_PrependToPath
+  IF NOT DEFINED %1 GOTO :EOF
+  SETLOCAL
+  SET __ECHO_CMD=ECHO %%%1%%
+  FOR /F "delims=" %%V IN ('%__ECHO_CMD%') DO (
+    SET VALUE=%%V
+  )
+  SET VALUE=%VALUE:"=%
+  REM "
+  ENDLOCAL && SET PATH=%VALUE%;%PATH%
+  GOTO :EOF
 
 :fn_ResetErrorLevel
   VERIFY > NUL
   GOTO :EOF