Linking to wrong .so file on Fedora 33 (libx265) when compiling ImageMagic

On Fedora 33, I'm trying to compile ImageMagic from git. libx265 and libheif are installed from the Fedora fusion repos, along with their -devel packages. When running ./configure --prefix=$HOME --program-prefix=p_ I get these reports:

HEIC              --with-heic=yes		yes
  ...
  LIBS            =  -ljbig  -ltiff -lfreetype  -lraqm -lfreetype  -ljpeg   -llqr-1 -lglib-2.0  -lpng16 -lz    -lfftw3    -lfontconfig -lfreetype  -lheif  -lwebpmux -lwebpdemux -lwebp  -lwebp    -lXext -lXt   -lSM -lICE -lX11  -llzma  -lbz2 -lIlmImf -lImath -lHalf -lIex -lIexMath -lIlmThread -pthread  -lopenjp2  -lpangocairo-1.0 -lpango-1.0 -lgobject-2.0 -lglib-2.0 -lharfbuzz -lcairo    -lxml2   -lz  -lz      -lm    -lpthread 
  ...
  DELEGATES       = bzlib fftw fontconfig freetype heic jbig jng jpeg lqr lzma openexr openjp2 pango png ps raqm tiff video webp x xml ziplib zlib zstd

After compiling the binary is linked to the wrong libx265.so, though:

% ./p_magick --version
./p_magick: error while loading shared libraries: libx265.so.169: cannot open shared object file: No such file or directory

ldd on the binary (p_magic in my case) reveals:

libx265.so.169 => not found

*(The compiling process is the standard ./configure, make, make install)* This is confusing to me, because libx265.so is installed:

% ll /usr/lib64/libx265*
lrwxrwxrwx 1 root root   14 08-19 03:29 /usr/lib64/libx265.so -> libx265.so.192*
-rwxr-xr-x 1 root root 4.6M 08-19 03:29 /usr/lib64/libx265.so.192*
-rwxr-xr-x 1 root root 5.6M 08-19 03:29 /usr/lib64/libx265_main10.so.192*
-rwxr-xr-x 1 root root 5.5M 08-19 03:29 /usr/lib64/libx265_main12.so.192*

For some reason, p_magick is linked to libx265.so.169 but on my system, libx265.so.192 is installed, I don't quite see how it could be linked to the wrong library, also, I'm struggling to find a mention of libx265 anywhere in the ImageMagick codebase (I've grep-ed for it, etc.). That's why I'm pretty sure the error is not with ImageMagick, but with my system configuration, but I'm not sure where to start. ---- **Addendum** I've deleted /etc/ld.so.cache and re-created the cache with ldconfig. ldconfig -p shows:

# ldconfig -p | grep libx265
	libx265_main12.so.192 (libc6,x86-64) => /lib64/libx265_main12.so.192
	libx265_main10.so.192 (libc6,x86-64) => /lib64/libx265_main10.so.192
	libx265.so.192 (libc6,x86-64) => /lib64/libx265.so.192
	libx265.so (libc6,x86-64) => /lib64/libx265.so

The link inside /lib64 also seems to be correct:

# ll /lib64/libx265.so           
lrwxrwxrwx 1 root root 14 Aug 19 03:29 /lib64/libx265.so -> libx265.so.192

The error still persists, though.