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Fix windows path slash #1161

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Fix windows path slash #1161

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@TroutZhang TroutZhang commented Oct 13, 2025 •
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I usually build Android on my MBP, until today I tried with my PC workstation.

Error text:

CMake Error at C:/Users/trout.zhang/AppData/Local/Android/Sdk/cmake/4.1.0/share/cmake-4.1/Modules/CMakeDetermineCompilerABI.cmake:83 (try_compile):
  Failed to configure test project build system.
Call Stack (most recent call first):
  C:/Users/trout.zhang/AppData/Local/Android/Sdk/cmake/4.1.0/share/cmake-4.1/Modules/CMakeTestCXXCompiler.cmake:26 (CMAKE_DETERMINE_COMPILER_ABI)
  CMakeLists.txt:2 (project) : com.android.ide.common.process.ProcessException: -- The CXX compiler identification is Clang 19.0.1
-- Detecting CXX compiler ABI info
-- Configuring incomplete, errors occurred!

C++ build system [configure] failed while executing:
    @echo off
    "C:\\Users\\trout.zhang\\AppData\\Local\\Android\\Sdk\\cmake\\4.1.0\\bin\\cmake.exe" ^
      "-HD:\\git\\github\\ndk-samples\\base\\src\\main\\cpp" ^
      "-DCMAKE_SYSTEM_NAME=Android" ^
      "-DCMAKE_EXPORT_COMPILE_COMMANDS=ON" ^
      "-DCMAKE_SYSTEM_VERSION=21" ^
      "-DANDROID_PLATFORM=android-21" ^
      "-DANDROID_ABI=arm64-v8a" ^
      "-DCMAKE_ANDROID_ARCH_ABI=arm64-v8a" ^
      "-DANDROID_NDK=C:\\Users\\trout.zhang\\AppData\\Local\\Android\\Sdk\\ndk\\28.2.13676358" ^
      "-DCMAKE_ANDROID_NDK=C:\\Users\\trout.zhang\\AppData\\Local\\Android\\Sdk\\ndk\\28.2.13676358" ^
      "-DCMAKE_TOOLCHAIN_FILE=C:\\Users\\trout.zhang\\AppData\\Local\\Android\\Sdk\\ndk\\28.2.13676358\\build\\cmake\\android.toolchain.cmake" ^
      "-DCMAKE_MAKE_PROGRAM=C:\\Users\\trout.zhang\\AppData\\Local\\Android\\Sdk\\cmake\\4.1.0\\bin\\ninja.exe" ^
      "-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=D:\\git\\github\\ndk-samples\\base\\build\\intermediates\\cxx\\Debug\\5i6qz4i2\\obj\\arm64-v8a" ^
      "-DCMAKE_RUNTIME_OUTPUT_DIRECTORY=D:\\git\\github\\ndk-samples\\base\\build\\intermediates\\cxx\\Debug\\5i6qz4i2\\obj\\arm64-v8a" ^
      "-DCMAKE_BUILD_TYPE=Debug" ^
      "-BD:\\git\\github\\ndk-samples\\base\\.cxx\\Debug\\5i6qz4i2\\arm64-v8a" ^
      -GNinja ^
      "-DANDROID_SUPPORT_FLEXIBLE_PAGE_SIZES=ON" ^
      "-DCMAKE_MODULE_PATH=D:\\git\\github\\ndk-samples\\cmake"
  from D:\git\github\ndk-samples\base
CMake Error at D:/git/github/ndk-samples/base/.cxx/Debug/5i6qz4i2/arm64-v8a/CMakeFiles/CMakeScratch/TryCompile-5lge99/CMakeLists.txt:2 (set):
  Syntax error in cmake code at

    D:/git/github/ndk-samples/base/.cxx/Debug/5i6qz4i2/arm64-v8a/CMakeFiles/CMakeScratch/TryCompile-5lge99/CMakeLists.txt:2

  when parsing string

    D:\git\github\ndk-samples\cmake

  Invalid character escape '\g'.

Then I searched the code for "DCMAKE_MODULE_PATH" and found the places to fix.

And I think my local depot path is not special D:\git\github\ndk-samples

DanAlbert
DanAlbert approved these changes Oct 15, 2025
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@DanAlbert DanAlbert left a comment •
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I don't understand why this is a problem for this path but not any of the others being passed, but oh well. Thanks for the fix!

@DanAlbert DanAlbert enabled auto-merge (squash) October 15, 2025 18:45
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@DanAlbert DanAlbert DanAlbert approved these changes

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@TroutZhang @DanAlbert