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16 lines
653 B
CMake
16 lines
653 B
CMake
# SoX Resampler Library Copyright (c) 2007-12 robs@users.sourceforge.net
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# Licence for this file: LGPL v2.1 See LICENCE for details.
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# - Macro to determine endian type
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# test_big_endian (VARIABLE)
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# VARIABLE - variable to store the result to
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macro (test_big_endian VARIABLE)
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if ("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$")
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include (CheckCSourceRuns)
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check_c_source_runs ("int main() {union {long i; char c[sizeof(long)];}
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const u = {1}; return !!u.c[0];}" HAVE_${VARIABLE})
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set (${VARIABLE} "${HAVE_${VARIABLE}}" CACHE INTERNAL "1 if system is big endian" FORCE)
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endif ()
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endmacro ()
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