Install fixes

Author: bghgary

.github/jobs/test_install_ios.yml

@@ -20,13 +20,13 @@ jobs:
         displayName: "Select Xcode $(XCODE_VERSION)"
 
       - script: |
-          cmake -B build -G Xcode -D IOS=ON -D DEPLOYMENT_TARGET=${{parameters.deploymentTarget}} -D CMAKE_IOS_INSTALL_COMBINED=NO -D CMAKE_UNITY_BUILD=$(UNITY_BUILD) -D BABYLON_NATIVE_BUILD_APPS=OFF -D BABYLON_DEBUG_TRACE=ON 
+          cmake -B build/iOS -G Xcode -D IOS=ON -D DEPLOYMENT_TARGET=${{parameters.deploymentTarget}} -D CMAKE_IOS_INSTALL_COMBINED=NO -D CMAKE_UNITY_BUILD=$(UNITY_BUILD) -D BABYLON_NATIVE_BUILD_APPS=OFF -D BABYLON_DEBUG_TRACE=ON 
         displayName: "Configure"
 
       - script: |
-          cmake --build build --config RelWithDebInfo -- -sdk iphoneos CODE_SIGNING_ALLOWED=NO
+          cmake --build build/iOS --config RelWithDebInfo -- -sdk iphoneos CODE_SIGNING_ALLOWED=NO
         displayName: "Build"
 
       - script: |
-          cmake --install build --prefix=build/Install --config RelWithDebInfo
+          cmake --install build/iOS --prefix=build/iOS/Install --config RelWithDebInfo
         displayName: "Install"

.github/jobs/test_install_linux.yml

@@ -26,13 +26,13 @@ jobs:
         displayName: "Install packages"
 
       - script: |
-          cmake -B build -G Ninja -D CMAKE_BUILD_TYPE=RelWithDebInfo -D CMAKE_UNITY_BUILD=$(UNITY_BUILD) -D BABYLON_NATIVE_BUILD_APPS=OFF -D BABYLON_DEBUG_TRACE=ON
+          cmake -B build/Linux -G Ninja -D CMAKE_BUILD_TYPE=RelWithDebInfo -D CMAKE_UNITY_BUILD=$(UNITY_BUILD) -D BABYLON_NATIVE_BUILD_APPS=OFF -D BABYLON_DEBUG_TRACE=ON
         displayName: "Configure"
 
       - script: |
-          cmake --build build --config RelWithDebInfo
+          cmake --build build/Linux --config RelWithDebInfo
         displayName: "Build"
 
       - script: |
-          cmake --install build --prefix=build/Install --config=RelWithDebInfo
+          cmake --install build/Linux --prefix=build/Linux/Install --config=RelWithDebInfo
         displayName: "Install"

.github/jobs/test_install_macos.yml

@@ -19,13 +19,13 @@ jobs:
         displayName: "Select XCode $(XCODE_VERSION)"
 
       - script: |
-          cmake -B build -G Xcode -D CMAKE_UNITY_BUILD=$(UNITY_BUILD) -D BABYLON_NATIVE_BUILD_APPS=OFF -D BABYLON_DEBUG_TRACE=ON
+          cmake -B build/macOS -G Xcode -D CMAKE_UNITY_BUILD=$(UNITY_BUILD) -D BABYLON_NATIVE_BUILD_APPS=OFF -D BABYLON_DEBUG_TRACE=ON
         displayName: "Configure"
 
       - script: |
-          cmake --build build --config RelWithDebInfo
+          cmake --build build/macOS --config RelWithDebInfo
         displayName: "Build"
 
       - script: |
-          cmake --install build --prefix=build/Install --config RelWithDebInfo
+          cmake --install build/macOS --prefix=build/macOS/Install --config RelWithDebInfo
         displayName: "Install"

.github/jobs/test_install_win32.yml

@@ -20,18 +20,18 @@ jobs:
           vmImage: ${{parameters.vmImage}}
 
       - script: |
-          cmake -B build -G "Visual Studio 17 2022" -D CMAKE_UNITY_BUILD=$(UNITY_BUILD) -D BABYLON_NATIVE_BUILD_APPS=OFF -D BABYLON_DEBUG_TRACE=ON
+          cmake -B build/Win32 -G "Visual Studio 17 2022" -D CMAKE_UNITY_BUILD=$(UNITY_BUILD) -D BABYLON_NATIVE_BUILD_APPS=OFF -D BABYLON_DEBUG_TRACE=ON
         displayName: "Configure"
 
       - script: |
-          cmake --build build --config RelWithDebInfo
+          cmake --build build/Win32 --config RelWithDebInfo
         displayName: "Build"
 
       - script: |
-          cmake --install build --prefix=build/Install --config RelWithDebInfo
+          cmake --install build/Win32 --prefix=build/Win32/Install --config RelWithDebInfo
         displayName: "Install"
 
       - script: |
-          cmake Install/Test -B build/Install/Test -D INSTALL_DIR=$(Build.SourcesDirectory)/build/Win32/Install
-          cmake --build build/Install/Test --config RelWithDebInfo
-        displayName: "Install Test"
+          cmake Install/Test -B build/TestInstall -D INSTALL_DIR=$(Build.SourcesDirectory)/build/Win32/Install
+          cmake --build build/TestInstall --config RelWithDebInfo
+        displayName: "Test Install"