Avoid -Wundef for MIPS and PPC symbols too

This is similar to d532334ef (Avoid -Wundef warnings when building
libpng, 2017-11-13), but for the similar symbols used under the other
architectures: always define them, even if just as 0, to avoid gcc
warnings when comparing them with 0 later.
This commit is contained in:
Vadim Zeitlin 2020-05-02 20:29:26 +02:00
parent f1ecc2c50d
commit 46b17e804b

View File

@ -268,11 +268,15 @@
# ifndef PNG_MIPS_MSA_IMPLEMENTATION
# define PNG_MIPS_MSA_IMPLEMENTATION 1
# endif
#else
# define PNG_MIPS_MSA_IMPLEMENTATION 0
#endif /* PNG_MIPS_MSA_OPT > 0 */
#if PNG_POWERPC_VSX_OPT > 0
# define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_vsx
# define PNG_POWERPC_VSX_IMPLEMENTATION 1
#else
# define PNG_POWERPC_VSX_IMPLEMENTATION 0
#endif