Merge pull request swiftlang#83495 from compnerd/android-cleanup

build.ps1: clean up some android related workarounds

Author: compnerd

utils/build.ps1

@@ -1564,6 +1564,7 @@ function Build-CMakeProject {
             Add-KeyValueIfNew $Defines CMAKE_Swift_COMPILER_WORKS "YES"
           }
 
+          # FIXME(compnerd) remove this once the old runtimes build path is removed.
           Add-KeyValueIfNew $Defines SWIFT_ANDROID_NDK_PATH "$AndroidNDKPath"
 
           $SWIFTC = if ($UseBuiltCompilers.Contains("Swift")) {
@@ -1611,6 +1612,12 @@ function Build-CMakeProject {
           Add-FlagsDefine $Defines CMAKE_SHARED_LINKER_FLAGS "--ld-path=$ld"
           Add-FlagsDefine $Defines CMAKE_EXE_LINKER_FLAGS "--ld-path=$ld"
         }
+
+        # TODO(compnerd) we should understand why CMake does not understand
+        # that the object file format is ELF when targeting Android on Windows.
+        # This indication allows it to understand that it can use `chrpath` to
+        # change the RPATH on the dynamic libraries.
+        Add-FlagsDefine $Defines CMAKE_EXECUTABLE_FORMAT "ELF"
       }
     }
 
@@ -2815,7 +2822,6 @@ function Build-XCTest([Hashtable] $Platform) {
     -SwiftSDK (Get-SwiftSDK $Platform.OS) `
     -Defines @{
       BUILD_SHARED_LIBS = "YES";
-      CMAKE_BUILD_WITH_INSTALL_RPATH = "YES";
       CMAKE_INSTALL_BINDIR = $Platform.BinaryDir;
       ENABLE_TESTING = "NO";
       dispatch_DIR = $(Get-ProjectCMakeModules $Platform Dispatch);
@@ -2839,7 +2845,6 @@ function Test-XCTest {
       -SwiftSDK $null `
       -BuildTargets default,check-xctest `
       -Defines @{
-        CMAKE_BUILD_WITH_INSTALL_RPATH = "YES";
         CMAKE_Swift_FLAGS = @("-resource-dir", $SwiftRuntimeDirectory, "-vfsoverlay", "${RuntimeBinaryCache}\stdlib\windows-vfs-overlay.yaml");
         ENABLE_TESTING = "YES";
         dispatch_DIR = $(Get-ProjectCMakeModules $BuildPlatform Dispatch);
@@ -2862,7 +2867,6 @@ function Build-Testing([Hashtable] $Platform) {
     -SwiftSDK (Get-SwiftSDK $Platform.OS) `
     -Defines @{
       BUILD_SHARED_LIBS = "YES";
-      CMAKE_BUILD_WITH_INSTALL_RPATH = "YES";
       CMAKE_INSTALL_BINDIR = $Platform.BinaryDir;
       dispatch_DIR = (Get-ProjectCMakeModules $Platform Dispatch);
       Foundation_DIR = (Get-ProjectCMakeModules $Platform DynamicFoundation);