не может скомпилироваться пакет sdl2-image

ждал, может обновления появятся, но так ничего и не происходит.
пакет media-libs/sdl2-image 2.0.0-r1 не может скомпилироваться.
сама библиотека libsdl2 уже версии 2.0.3-r200

выдает в консоль такие сообщения перед выходом:

libtool: link: x86_64-pc-linux-gnu-gcc -I/usr/include/libpng16 -march=corei7-avx -O2 -pipe -D_REENTRANT -I/usr/include/SDL2 -Wl,-O1 -Wl,--as-needed -o .libs/showimage showimage.o  ./.libs/libSDL2_image.so /usr/lib/libpng12.so -lm -ljpeg -ltiff -lz -lSDL2 -lpthread
000174 ./.libs/libSDL2_image.so: undefined reference to `png_set_longjmp_fn'
000175 collect2: error: ld returned 1 exit status
000176 Makefile:516: recipe for target 'showimage' failed
000177 make: *** [showimage] Error 1
000178  * ERROR: media-libs/sdl2-image-2.0.0-r1::gentoo failed (compile phase):
000179  *   emake failed
000180  * 
000181  * If you need support, post the output of `emerge --info '=media-libs/sdl2-image-2.0.0-r1::gentoo'`,
000182  * the complete build log and the output of `emerge -pqv '=media-libs/sdl2-image-2.0.0-r1::gentoo'`.
000183  * The complete build log is located at '/var/tmp/portage/media-libs/sdl2-image-2.0.0-r1/temp/build.log'.
000184  * The ebuild environment file is located at '/var/tmp/portage/media-libs/sdl2-image-2.0.0-r1/temp/environment'.
000185  * Working directory: '/var/tmp/portage/media-libs/sdl2-image-2.0.0-r1/work/SDL2_image-2.0.0-abi_x86_64.amd64'
000186  * S: '/var/tmp/portage/media-libs/sdl2-image-2.0.0-r1/work/SDL2_image-2.0.0'
000187 
000188 >>> Failed to emerge media-libs/sdl2-image-2.0.0-r1, Log file:
000189 
000190 >>>  '/var/tmp/portage/media-libs/sdl2-image-2.0.0-r1/temp/build.log'
000191 
000192  * Messages for package media-libs/sdl2-image-2.0.0-r1:
000193 
000194  * ERROR: media-libs/sdl2-image-2.0.0-r1::gentoo failed (compile phase):
000195  *   emake failed
000196  * 
000197  * If you need support, post the output of `emerge --info '=media-libs/sdl2-image-2.0.0-r1::gentoo'`,
000198  * the complete build log and the output of `emerge -pqv '=media-libs/sdl2-image-2.0.0-r1::gentoo'`.
000199  * The complete build log is located at '/var/tmp/portage/media-libs/sdl2-image-2.0.0-r1/temp/build.log'.
000200  * The ebuild environment file is located at '/var/tmp/portage/media-libs/sdl2-image-2.0.0-r1/temp/environment'.
000201  * Working directory: '/var/tmp/portage/media-libs/sdl2-image-2.0.0-r1/work/SDL2_image-2.0.0-abi_x86_64.amd64'
000202  * S: '/var/tmp/portage/media-libs/sdl2-image-2.0.0-r1/work/SDL2_image-2.0.0'

как победить ? или ставить из исходников новую версию ?