[BUG] CMake find_path doesn't find files in r19c and r20-beta-3

[ViliusSutkus89]

Hello,

#907 was closed as fixed in r19b, but I can reproduce it in r19c and r20-beta-3.

CMakeLists.txt

cmake_minimum_required(VERSION 3.10)

FILE(READ D:/projects/cm/src/test.txt TEST_FILE_CONTENTS)
message("contents of test.txt as read by FILE command: '${TEST_FILE_CONTENTS}'")

find_path(TEST test.txt PATHS D:/projects/cm/src)
message(FATAL_ERROR "TEST: ${TEST}")

Build with r19c

PS D:\Projects\cm> C:\DevTools\Android\sdk\cmake\3.10.2.4988404\bin\cmake.exe -HD:\Projects\cm\src -BD:\Projects\cm\build -DANDROID_ABI=x86_64 -DANDROID_PLATFORM=android-18  -DCMAKE_BUILD_TYPE=Debug -DANDROID_NDK=C:\DevTools\Android\sdk\ndk-bundle -DCMAKE_CXX_FLAGS= -DCMAKE_SYSTEM_NAME=Android -DCMAKE_ANDROID_ARCH_ABI=x86_64 -DCMAKE_SYSTEM_VERSION=18 -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_ANDROID_NDK=C:\DevTools\Android\sdk\ndk-bundle -DCMAKE_TOOLCHAIN_FILE=C:\DevTools\Android\sdk\ndk-bundle\build\cmake\android.toolchain.cmake -G Ninja -DCMAKE_MAKE_PROGRAM=C:\DevTools\Android\sdk\cmake\3.10.2.4988404\bin\ninja.exe
-- Check for working C compiler: C:/DevTools/Android/SDK/ndk-bundle/toolchains/llvm/prebuilt/windows-x86_64/bin/clang.exe
-- Check for working C compiler: C:/DevTools/Android/SDK/ndk-bundle/toolchains/llvm/prebuilt/windows-x86_64/bin/clang.exe -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: C:/DevTools/Android/SDK/ndk-bundle/toolchains/llvm/prebuilt/windows-x86_64/bin/clang++.exe
-- Check for working CXX compiler: C:/DevTools/Android/SDK/ndk-bundle/toolchains/llvm/prebuilt/windows-x86_64/bin/clang++.exe -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
contents of test.txt as read by FILE command: 'Hello from test.txt.'
CMake Error at CMakeLists.txt:7 (message):
  TEST: TEST-NOTFOUND

Build with r20-beta-3

PS D:\Projects\cm> C:\DevTools\Android\sdk\cmake\3.10.2.4988404\bin\cmake.exe -HD:\Projects\cm\src -BD:\Projects\cm\build -DANDROID_ABI=x86_64 -DANDROID_PLATFORM=android-18  -DCMAKE_BUILD_TYPE=Debug -DANDROID_NDK=C:\DevTools\Android\sdk\ndk-bundle -DCMAKE_CXX_FLAGS= -DCMAKE_SYSTEM_NAME=Android -DCMAKE_ANDROID_ARCH_ABI=x86_64 -DCMAKE_SYSTEM_VERSION=18 -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_ANDROID_NDK=C:\DevTools\Android\sdk\ndk-bundle -DCMAKE_TOOLCHAIN_FILE=C:\DevTools\Android\sdk\ndk-bundle\build\cmake\android.toolchain.cmake -G Ninja -DCMAKE_MAKE_PROGRAM=C:\DevTools\Android\sdk\cmake\3.10.2.4988404\bin\ninja.exe^C
PS D:\Projects\cm> ^C
PS D:\Projects\cm> ^C
PS D:\Projects\cm> C:\DevTools\Android\sdk\cmake\3.10.2.4988404\bin\cmake.exe -HD:\Projects\cm\src -BD:\Projects\cm\build -DANDROID_ABI=x86_64 -DANDROID_PLATFORM=android-18  -DCMAKE_BUILD_TYPE=Debug -DANDROID_NDK=C:\DevTools\Android\sdk\android-ndk-r20-beta3 -DCMAKE_CXX_FLAGS= -DCMAKE_SYSTEM_NAME=Android -DCMAKE_ANDROID_ARCH_ABI=x86_64 -DCMAKE_SYSTEM_VERSION=18 -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_ANDROID_NDK=C:\DevTools\Android\sdk\android-ndk-r20-beta3 -DCMAKE_TOOLCHAIN_FILE=C:\DevTools\Android\sdk\android-ndk-r20-beta3\build\cmake\android.toolchain.cmake -G Ninja -DCMAKE_MAKE_PROGRAM=C:\DevTools\Android\sdk\cmake\3.10.2.4988404\bin\ninja.exe
-- Check for working C compiler: C:/DevTools/Android/SDK/android-ndk-r20-beta3/toolchains/llvm/prebuilt/windows-x86_64/bin/clang.exe
-- Check for working C compiler: C:/DevTools/Android/SDK/android-ndk-r20-beta3/toolchains/llvm/prebuilt/windows-x86_64/bin/clang.exe -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: C:/DevTools/Android/SDK/android-ndk-r20-beta3/toolchains/llvm/prebuilt/windows-x86_64/bin/clang++.exe
-- Check for working CXX compiler: C:/DevTools/Android/SDK/android-ndk-r20-beta3/toolchains/llvm/prebuilt/windows-x86_64/bin/clang++.exe -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
contents of test.txt as read by FILE command: 'Hello from test.txt.'
CMake Error at CMakeLists.txt:7 (message):
  TEST: TEST-NOTFOUND


-- Configuring incomplete, errors occurred!
See also "D:/Projects/cm/build/CMakeFiles/CMakeOutput.log".

Works with non crosscompile cmake-3.14.4

PS D:\Projects\cm> cmake --version
cmake version 3.14.4

CMake suite maintained and supported by Kitware (kitware.com/cmake).
PS D:\Projects\cm> cmake  -HD:\Projects\cm\src -BD:\Projects\cm\build
-- Building for: Visual Studio 16 2019
-- Selecting Windows SDK version 10.0.18362.0 to target Windows 10.0.17763.
-- The C compiler identification is MSVC 19.21.27702.2
-- The CXX compiler identification is MSVC 19.21.27702.2
-- Check for working C compiler: C:/DevTools/Visual Studio/2019 Community/VC/Tools/MSVC/14.21.27702/bin/Hostx64/x64/cl.exe
-- Check for working C compiler: C:/DevTools/Visual Studio/2019 Community/VC/Tools/MSVC/14.21.27702/bin/Hostx64/x64/cl.exe -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: C:/DevTools/Visual Studio/2019 Community/VC/Tools/MSVC/14.21.27702/bin/Hostx64/x64/cl.exe
-- Check for working CXX compiler: C:/DevTools/Visual Studio/2019 Community/VC/Tools/MSVC/14.21.27702/bin/Hostx64/x64/cl.exe -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
contents of test.txt as read by FILE command: 'Hello from test.txt.'
CMake Error at CMakeLists.txt:7 (message):
  TEST: D:/Projects/cm/src


-- Configuring incomplete, errors occurred!
See also "D:/Projects/cm/build/CMakeFiles/CMakeOutput.log".

[ViliusSutkus89]

Never mind that.
Forgot that I had to

CMAKE_FIND_ROOT_PATH_MODE_LIBRARY=BOTH
CMAKE_FIND_ROOT_PATH_MODE_INCLUDE=BOTH
CMAKE_FIND_ROOT_PATH_MODE_PATH=BOTH

when cross compiling

[subins2000]

Thank you @ViliusSutkus89 ! your solution helped me !

[hhb]

Better to be ONLY because we don't want host system paths to be searched...

CMAKE_FIND_ROOT_PATH_MODE_LIBRARY=ONLY
CMAKE_FIND_ROOT_PATH_MODE_INCLUDE=ONLY
CMAKE_FIND_ROOT_PATH_MODE_PATH=ONLY