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On some systems the results of 64 bit __builtin_mul_overflow() operations can be computed at compile time, but not at runtime. The known cases are arm buildfar animals using clang where the runtime operation is implemented in a unavailable function. Try to avoid compile-time computation by using volatile arguments to __builtin_mul_overflow(). In that case we hopefully will get a link error when unavailable, similar to what buildfarm animals dangomushi and gull are reporting. Author: Andres Freund Discussion: https://postgr.es/m/20171213213754.pydkyjs6bt2hvsdb@alap3.anarazel.de |
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| ac_func_accept_argtypes.m4 | ||
| ax_prog_perl_modules.m4 | ||
| ax_pthread.m4 | ||
| c-compiler.m4 | ||
| c-library.m4 | ||
| config.guess | ||
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| docbook.m4 | ||
| general.m4 | ||
| install-sh | ||
| libtool.m4 | ||
| Makefile | ||
| missing | ||
| perl.m4 | ||
| pkg.m4 | ||
| prep_buildtree | ||
| programs.m4 | ||
| python.m4 | ||
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