Package: cmake
Version: 3.0.2-1
Forwarded: http://www.cmake.org/Bug/view.php?id=13208
Tags: upstream
The following piece of code fails on debian/jessie:
[...]
include(CheckSymbolExists)
check_symbol_exists(memalign malloc.h HAVE_MEMALIGN)
[...]
$ CFLAGS="-pedantic -pedantic-errors" cmake .
the output states:
Determining if the memalign exist failed with the following output:
Change Dir: /home/mathieu/tmp/flou/bin/CMakeFiles/CMakeTmp
Run Build Command:"/usr/bin/make" "cmTryCompileExec2230537635/fast"
/usr/bin/make -f CMakeFiles/cmTryCompileExec2230537635.dir/build.make
CMakeFiles/cmTryCompileExec2230537635.dir/build
make[1]: Entering directory '/home/mathieu/tmp/flou/bin/CMakeFiles/CMakeTmp'
/usr/bin/cmake -E cmake_progress_report
/home/mathieu/tmp/flou/bin/CMakeFiles/CMakeTmp/CMakeFiles 1
Building C object
CMakeFiles/cmTryCompileExec2230537635.dir/CheckSymbolExists.c.o
/usr/bin/cc -pedantic -pedantic-errors -fopenmp -o
CMakeFiles/cmTryCompileExec2230537635.dir/CheckSymbolExists.c.o -c
/home/mathieu/tmp/flou/bin/CMakeFiles/CMakeTmp/CheckSymbolExists.c
/home/mathieu/tmp/flou/bin/CMakeFiles/CMakeTmp/CheckSymbolExists.c: In
function ‘main’:
/home/mathieu/tmp/flou/bin/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:11:
error: ISO C forbids conversion of function pointer to object pointer
type [-Wpedantic]
return ((int*)(&memalign))[argc];
^
CMakeFiles/cmTryCompileExec2230537635.dir/build.make:57: recipe for
target 'CMakeFiles/cmTryCompileExec2230537635.dir/CheckSymbolExists.c.o'
failed
make[1]: Leaving directory '/home/mathieu/tmp/flou/bin/CMakeFiles/CMakeTmp'
make[1]: *** [CMakeFiles/cmTryCompileExec2230537635.dir/CheckSymbolExists.c.o]
Error 1
Makefile:118: recipe for target 'cmTryCompileExec2230537635/fast' failed
make: *** [cmTryCompileExec2230537635/fast] Error 2
File /home/mathieu/tmp/flou/bin/CMakeFiles/CMakeTmp/CheckSymbolExists.c:
/* */
#include <malloc.h>
int main(int argc, char** argv)
{
(void)argv;
#ifndef memalign
return ((int*)(&memalign))[argc];
#else
(void)argc;
return 0;
#endif
}
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