3135642ff5
Ancient versions of CMake required else(), endif(), and similar block termination commands to have arguments matching the command starting the block. This is no longer the preferred style. Thanks to Hans Johnson
24 lines
615 B
CMake
24 lines
615 B
CMake
#cmakedefine _LARGEFILE_SOURCE
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#cmakedefine _LARGE_FILES
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#cmakedefine _FILE_OFFSET_BITS @_FILE_OFFSET_BITS@
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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int main(int argc, char **argv)
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{
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/* Cause a compile-time error if off_t is smaller than 64 bits,
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* and make sure we have ftello / fseeko.
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*/
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#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
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int off_t_is_large[ (LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? 1 : -1 ];
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FILE *fp = fopen(argv[0],"r");
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off_t offset = ftello( fp );
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fseeko( fp, offset, SEEK_CUR );
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fclose(fp);
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return 0;
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}
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