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Avoid -Wundef warnings when building libpng

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Always define PNG_INTEL_SSE_OPT and PNG_INTEL_SSE_IMPLEMENTATION before
comparing them with 0.
This commit is contained in:
Vadim Zeitlin 2017-11-13 22:05:07 +01:00
parent fc32eb1662
commit d532334ef5
1 changed files with 6 additions and 0 deletions
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6
pngpriv.h
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@ -210,7 +210,11 @@
defined(__SSE2__) || defined(_M_X64) || defined(_M_AMD64) || \
(defined(_M_IX86_FP) && _M_IX86_FP >= 2)
# define PNG_INTEL_SSE_OPT 1
# else
# define PNG_INTEL_SSE_OPT 0
# endif
# else
# define PNG_INTEL_SSE_OPT 0
# endif
#endif
@ -234,6 +238,8 @@
# if PNG_INTEL_SSE_IMPLEMENTATION > 0
# define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_sse2
# endif
#else
# define PNG_INTEL_SSE_IMPLEMENTATION 0
#endif
#if PNG_MIPS_MSA_OPT > 0