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IDProjectCategoryView StatusDate SubmittedLast Update
0014004CMakeModulespublic2013-03-12 12:512016-06-10 14:31
ReporterQuintus 
Assigned ToBenjamin Eikel 
PrioritynormalSeverityminorReproducibilityalways
StatusclosedResolutionmoved 
PlatformLinuxOSArch LinuxOS Version
Product VersionCMake 2.8.10.2 
Target VersionFixed in Version 
Summary0014004: FindSDL fails to find headers for cross-compilation
DescriptionFindSDL fails to find the SDL include headers for cross compilation. I have a MXE (http://mxe.cc [^]) cross-compilation environment set up at $HOME/win32/mxe/usr/i686-pc-mingw32 which includes a cross-compiled SDL library for mingw32 (the host system is a 64-bit Arch Linux). Here’s a list of all SDL-related files installed under that root directory: http://pastie.org/6461937 [^]

Exact error from CMake:

====================================================
CMake Error at /usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:97 (message):
  Could NOT find SDL (missing: SDL_INCLUDE_DIR)
Call Stack (most recent call first):
  /usr/share/cmake-2.8/Modules/FindPackageHandleStandardArgs.cmake:291 (_FPHSA_FAILURE_MESSAGE)
  /usr/share/cmake-2.8/Modules/FindSDL.cmake:178 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
  CMakeLists.txt:40 (find_package)

====================================================

In order to cross-compile, I then set CMAKE_FIND_ROOT_PATH in my toolchain file:


====================================================
set(CMAKE_SYSTEM_NAME Windows)
set(CMAKE_FIND_ROOT_PATH "$ENV{HOME}/win32/mxe/usr/i686-pc-mingw32")
====================================================

And of course, I also set the other necessary variables:

====================================================
set(CMAKE_C_COMPILER i686-pc-mingw32-gcc)
set(CMAKE_CXX_COMPILER i686-pc-mingw32-g++)
set(CMAKE_RC_COMPILER i686-pc-mingw32-windres)
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
====================================================

This is the cross-compiler:

====================================================
% i686-pc-mingw32-gcc --version
i686-pc-mingw32-gcc (GCC) 4.7.2
Copyright (C) 2012 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
====================================================
Steps To Reproduce1. Create a SDL installation for mingw32 somewhere
2. Create CMakeLists.txt that calls find_package(SDL REQUIRED)
3. Create a toolchain file for cross-compilation from Linux to mingw32, variables see above, ensure CMAKE_FIND_ROOT_PATH includes the root of your SDL installation
4. Invoke CMake with -DCMAKE_TOOLCHAIN_FILE=/path/to/toolchain/file
5. CMake fails to find the SDL headers.
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  Notes
(0032665)
Benjamin Eikel (developer)
2013-03-18 12:45

 Please check if the bug also affects 2.8.11-rc1 [1], because the new version contains a fix concerning SDL search directories (see issue 0013819 [2]).

[1] http://www.cmake.org/files/v2.8/?C=M;O=D [^]
[2] http://public.kitware.com/Bug/view.php?id=13819 [^]
(0042246)
Kitware Robot (administrator)
2016-06-10 14:28

 Resolving issue as `moved`.

This issue tracker is no longer used. Further discussion of this issue may take place in the current CMake Issues page linked in the banner at the top of this page.

 Issue History
Date Modified Username Field Change
2013-03-12 12:51 Quintus New Issue
2013-03-18 12:45 Benjamin Eikel Note Added: 0032665
2013-03-18 12:45 Benjamin Eikel Assigned To => Benjamin Eikel
2013-03-18 12:45 Benjamin Eikel Status new => assigned
2016-06-10 14:28 Kitware Robot Note Added: 0042246
2016-06-10 14:28 Kitware Robot Status assigned => resolved
2016-06-10 14:28 Kitware Robot Resolution open => moved
2016-06-10 14:31 Kitware Robot Status resolved => closed

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