I had similar problems to the original poster of
- No Delegates after building 7.0.8-37.
I installed all the 240mb odd libraries and the 2nd lot that included 'libheif-dev' When I tried to use the single (big) command it failed with a '404' error so I used the instructions from the IM website. The 'make' failed with
..... CC coders/MagickCore_libMagickCore_7_Q16HDRI_la-heic.lo coders/heic.c: In function ‘WriteProfile’: coders/heic.c:546:18: warning: implicit declaration of function ‘heif_context_add_exif_metadata’; did you mean ‘heif_image_handle_get_metadata’? [-Wimplicit-function-declaration] .... etc *** [coders/MagickCore_libMagickCore_7_Q16HDRI_la-heic.lo] Error 1 make: Leaving directory '/home/xxxx/imagemagick_build/ImageMagick-7.0.8-39' Makefile:5761: recipe for target 'all' failed make: *** [all] Error
Not having an Iphone I decided I didn't need 'HEIC' and removed 'libheif-dev' and tried again result a new ImageMagick :
Version: ImageMagick 7.0.8-39 Q16 x86_64 2019-04-08 https://imagemagick.org
I can start playing with it now - at least it now displays jpegs.