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| ID | Project | Category | View Status | Date Submitted | Last Update |
| 0011940 | CMake | CMake | public | 2011-03-08 11:45 | 2016-06-10 14:31 |
|
| Reporter | Nicolas Despres | |
| Assigned To | Kitware Robot | |
| Priority | normal | Severity | minor | Reproducibility | always |
| Status | closed | Resolution | moved | |
| Platform | i686 | OS | Ubuntu | OS Version | 10.10 |
| Product Version | CMake 2.8.4 | |
| Target Version | | Fixed in Version | | |
|
| Summary | 0011940: Wrong paths in generated Makefile when builddir is a symlink to an out-of-source directory. |
| Description | When you have a directory layout like this:
/tmp/sourcedir
/tmp/sourcedir/_build -> /tmp/build
/tmp/build
And you call cmake /tmp/sourcedir from /tmp/sourcedir/_build the paths in the generated Makefile are wrong. See the steps to reproduce for more details.
I will try to add a test and a patch that fix it as soon as I have time.
|
| Steps To Reproduce | $ cd /tmp
$ mkdir helloworld
$ cd helloworld
$ cat > CMakeLists.txt <<EOF
cmake_minimum_required(VERSION 2.8)
project(helloworld)
add_executable(helloworld
src/main.cc
)
EOF
$ mkdir src
$ cat > src/main.cc <<EOF
#include <iostream>
int main(void)
{
std::cout << "Hello world\n" << std::endl;
return 0;
}
EOF
$ mkdir /tmp/build
$ ln -s /tmp/build _build
$ cd _build
$ cmake ..
CMake Error: The source directory "/tmp" does not appear to contain CMakeLists.txt.
Specify --help for usage, or press the help button on the CMake GUI.
$ cmake /tmp/helloworld
-- The C compiler identification is GNU
-- The CXX compiler identification is GNU
-- Check for working C compiler: /usr/bin/gcc
-- Check for working C compiler: /usr/bin/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Configuring done
-- Generating done
-- Build files have been written to: /tmp/helloworld/_build
$ make
-- Configuring done
-- Generating done
-- Build files have been written to: /tmp/helloworld/_build
Scanning dependencies of target helloworld
make[2]: *** No rule to make target `../src/main.cc', needed by `CMakeFiles/helloworld.dir/src/main.cc.o'. Stop.
make[1]: *** [CMakeFiles/helloworld.dir/all] Error 2
make: *** [all] Error 2
I have attached the CMakeCache.txt
|
| Additional Information | However doing the following works:
$ rm -rf /tmp/helloworld/_build /tmp/build
$ mkdir /tmp/build
$ cd /tmp/build
$ cmake /tmp/helloworld
-- The C compiler identification is GNU
-- The CXX compiler identification is GNU
-- Check for working C compiler: /usr/bin/gcc
-- Check for working C compiler: /usr/bin/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Configuring done
-- Generating done
-- Build files have been written to: /tmp/build
$ make
Scanning dependencies of target helloworld
[100%] Building CXX object CMakeFiles/helloworld.dir/src/main.cc.o
Linking CXX executable helloworld
[100%] Built target helloworld
|
| Tags | No tags attached. |
|
| Attached Files |  CMakeCache.txt [^] (10,456 bytes) 2011-03-08 11:45 [Show Content] [Hide Content]# This is the CMakeCache file.
# For build in directory: /tmp/helloworld/_build
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# You can edit this file to change values found and used by cmake.
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//Install path prefix, prepended onto install directories.
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//Path to a program.
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//Path to a program.
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//Path to a program.
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CMAKE_USE_RELATIVE_PATHS:BOOL=OFF
//If this value is on, makefiles will be generated without the
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CMAKE_VERBOSE_MAKEFILE:BOOL=FALSE
//Value Computed by CMake
helloworld_BINARY_DIR:STATIC=/tmp/helloworld/_build
//Value Computed by CMake
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########################
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//This is the directory where this CMakeCache.txt was created
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//Major version of cmake used to create the current loaded cache
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