Computing installation plan...
The following packages will be built and installed:
  * cairo[core,fontconfig,freetype,gobject,x11]:x64-linux -> 1.17.4#3
  * fontconfig[core]:x64-linux -> 2.13.94#5
  * fribidi[core]:x64-linux -> 1.0.11#2
  * gdk-pixbuf[core]:x64-linux -> 2.42.2#2
  * getopt[core]:x64-linux -> 0#1
  * graphene[core]:x64-linux -> 1.10.2#2
  * gtk[core]:x64-linux -> 4.4.0#1
  * harfbuzz[core]:x64-linux -> 3.0.0#1
  * libepoxy[core]:x64-linux -> 1.5.9#1
  * libjpeg-turbo[core]:x64-linux -> 2.1.2
  * liblzma[core]:x64-linux -> 5.2.5#4
  * libsass[core]:x64-linux -> 3.6.5#1
  * libwebp[core,nearlossless,simd]:x64-linux -> 1.2.1
  * lzo[core]:x64-linux -> 2.10#7
    opencv4[core,default-features,dnn,gtk,jpeg,png,quirc,tiff,webp]:x64-linux -> 4.5.4#2
  * pango[core]:x64-linux -> 1.50.3
  * pixman[core]:x64-linux -> 0.40.0#1
  * protobuf[core]:x64-linux -> 3.18.0#1
  * quirc[core]:x64-linux -> 1.1#2
  * sassc[core]:x64-linux -> 3.6.2
  * tiff[core,jpeg,lzma,zip]:x64-linux -> 4.3.0#5
Additional packages (*) will be modified to complete this operation.
Detecting compiler hash for triplet x64-linux...
Restored 0 packages from /home/electwix/.cache/vcpkg/archives in 38.18 us. Use --debug to see more details.
Starting package 1/21: fontconfig:x64-linux
Building package fontconfig[core]:x64-linux...
-- Using cached fontconfig-fontconfig-2.13.94.tar.gz.
-- Cleaning sources at /home/electwix/vcpkg/buildtrees/fontconfig/src/2.13.94-6fd83e1cbe.clean. Use --editable to skip cleaning for the packages you specify.
-- Extracting source /home/electwix/vcpkg/downloads/fontconfig-fontconfig-2.13.94.tar.gz
-- Using source at /home/electwix/vcpkg/buildtrees/fontconfig/src/2.13.94-6fd83e1cbe.clean
CMake Error at scripts/cmake/vcpkg_find_acquire_program.cmake:613 (message):
  Could not find gperf.  Please install it via your package manager.
Call Stack (most recent call first):
  ports/fontconfig/portfile.cmake:12 (vcpkg_find_acquire_program)
  scripts/ports.cmake:142 (include)

Error: Building package fontconfig:x64-linux failed with: BUILD_FAILED