cmake error

CMakeError.log (text/x-log), 2.71 KB, created by Russell Dwiggins on 2021-09-04 05:06:50 UTC

Performing C++ SOURCE FILE Test _OFFT_IS_64BIT failed with the following output:
Change Dir: /var/tmp/portage/kde-frameworks/plasma-5.85.0-r2/work/plasma-5.85.0_build/CMakeFiles/CMakeTmp

Run Build Command(s):/usr/bin/ninja cmTC_1b35d && [1/2] Building CXX object CMakeFiles/cmTC_1b35d.dir/src.cxx.o
FAILED: CMakeFiles/cmTC_1b35d.dir/src.cxx.o 
/usr/bin/armv7a-unknown-linux-gnueabihf-g++ -D_GNU_SOURCE -D_LARGEFILE64_SOURCE -D_OFFT_IS_64BIT   -DQT_NO_DEBUG -O2 -pipe -march=armv7-a -mtune=cortex-a17 -mfpu=neon -mfloat-abi=hard -o CMakeFiles/cmTC_1b35d.dir/src.cxx.o -c /var/tmp/portage/kde-frameworks/plasma-5.85.0-r2/work/plasma-5.85.0_build/CMakeFiles/CMakeTmp/src.cxx
/var/tmp/portage/kde-frameworks/plasma-5.85.0-r2/work/plasma-5.85.0_build/CMakeFiles/CMakeTmp/src.cxx:7:33: warning: left shift count >= width of type [-Wshift-count-overflow]
    7 | #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
      |                       ~~~~~~~~~~^~~~~
/var/tmp/portage/kde-frameworks/plasma-5.85.0-r2/work/plasma-5.85.0_build/CMakeFiles/CMakeTmp/src.cxx:8:23: note: in expansion of macro ‘LARGE_OFF_T’
    8 |   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1];
      |                       ^~~~~~~~~~~
/var/tmp/portage/kde-frameworks/plasma-5.85.0-r2/work/plasma-5.85.0_build/CMakeFiles/CMakeTmp/src.cxx:7:57: warning: left shift count >= width of type [-Wshift-count-overflow]
    7 | #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
      |                                               ~~~~~~~~~~^~~~~
/var/tmp/portage/kde-frameworks/plasma-5.85.0-r2/work/plasma-5.85.0_build/CMakeFiles/CMakeTmp/src.cxx:8:23: note: in expansion of macro ‘LARGE_OFF_T’
    8 |   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1];
      |                       ^~~~~~~~~~~
/var/tmp/portage/kde-frameworks/plasma-5.85.0-r2/work/plasma-5.85.0_build/CMakeFiles/CMakeTmp/src.cxx:8:89: error: size ‘-1’ of array ‘off_t_is_large’ is negative
    8 |   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1];
      |                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
ninja: build stopped: subcommand failed.


Source file was:

#include <sys/types.h>
 /* Check that off_t can represent 2**63 - 1 correctly.
    We can't simply define LARGE_OFF_T to be 9223372036854775807,
    since some C++ compilers masquerading as C compilers
    incorrectly reject 9223372036854775807.  */
#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1];
  int main() { return 0; }