build: use vcpkg host pkgconf when cross compiling

For vcpkg, set `PKG_CONFIG_EXECUTABLE` to the host `pkgconf.exe` when
the host is x64.

Signed-off-by: Rafael Kitover <rkitover@gmail.com>

cmake/Options.cmake

@@ -89,6 +89,10 @@ if(APPLE AND NOT DISABLE_MACOS_PACKAGE_MANAGERS)
     include(MacPackageManagers)
 endif()
 
+if(CMAKE_TOOLCHAIN_FILE MATCHES "vcpkg" AND CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "^([xX]86_64|[aA][mM][dD]64)$")
+   set(PKG_CONFIG_EXECUTABLE "$ENV{VCPKG_ROOT}/installed/x64-windows/tools/pkgconf/pkgconf.exe")
+endif()
+
 find_package(PkgConfig)
 
 # Link / SFML

cmake/Set-Toolchain-vcpkg.cmake

@@ -28,7 +28,6 @@ if(NOT DEFINED VCPKG_TARGET_TRIPLET)
                     if(path MATCHES "[Hh]ost[Xx]64")
                         set(VCPKG_HOST_TRIPLET "x64-windows" CACHE STRING "Vcpkg host triplet" FORCE)
                         set(VCPKG_USE_HOST_TOOLS ON CACHE BOOL "Use vcpkg host tools" FORCE)
-                        break()
                     endif()
                 endforeach()