| # contrib/neon/neon.am |
| # |
| # This is an automake fragment included by the top-level Makefile.am if |
| # contrib/neon/neon.ac is included in configure |
| # |
| # It builds the source files in this directory into ARM hardware support for |
| # libpng. |
| # |
| if PNG_ARM_NEON |
| libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += %D%/arm_init.c\ |
| %D%/filter_neon.S %D%/filter_neon_intrinsics.c |
| |
| DFA_EXTENSION += ${srcdir}/%D%/neon.dfa |
| |
| # This causes pngpriv.h to include the named header. It is VERY important to |
| # understand that this MUST be defined and the header MUST define internal |
| # 'extern' functions with PNG_INTERNAL_FUNCTION. This allows vendors to use |
| # static library builds of libpng without clashing with the installed system |
| # libpng; see the libpng-prefix option in configure.ac The value of this |
| # #define is included in pnglibconf.h |
| # |
| # NOTE: you must include the double quotes in the value and you must therefore |
| # support the whole thing with single quotes. If you need to use <> for a |
| # header be aware that if you miss out the single quotes you will create a |
| # random file. |
| AM_CPPFLAGS += -DPNG_EXTENSION_HEADER='"%D%/neon.h"' |
| endif |
