Fix GLEW detection for FetchContent path (#51)

* Fix GLEW detection for FetchContent path

* Less warnings on missing libs

Author: MathiasMagnus

cmake/Dependencies/Freetype/Freetype.cmake

@@ -14,6 +14,12 @@ if(NOT (Freetype_FOUND OR TARGET freetype))
   cmake_minimum_required(VERSION 3.11)
   include(FetchContent)
   set(SKIP_INSTALL_HEADERS ON CACHE BOOL "Skip installing FreeType headers")
+  set(FT_DISABLE_ZLIB ON CACHE BOOL "Disable use of system zlib and use internal zlib library instead.")
+  set(FT_DISABLE_HARFBUZZ ON CACHE BOOL "Disable HarfBuzz (used for improving auto-hinting of OpenType fonts).")
+  set(FT_DISABLE_PNG ON CACHE BOOL "Disable support of PNG compressed OpenType embedded bitmaps.")
+  set(FT_DISABLE_ZLIB ON CACHE BOOL "Disable FreeType dependence on HarfBuzz")
+  set(FT_DISABLE_BZIP2 ON CACHE BOOL "Disable support of bzip2 compressed fonts.")
+  set(FT_DISABLE_BROTLI ON CACHE BOOL "Disable support of compressed WOFF2 fonts.")
   FetchContent_Declare(
     freetype-external
     GIT_REPOSITORY      https://github.com/freetype/freetype.git

cmake/Dependencies/GLEW/GLEW.cmake

@@ -2,7 +2,7 @@ if(NOT DEPENDENCIES_FORCE_DOWNLOAD AND NOT EXISTS "${CMAKE_CURRENT_BINARY_DIR}/_
   find_package(GLEW)
 endif()
 
-if(NOT (GLEW_FOUND OR TARGET glew))
+if(NOT (TARGET GLEW::GLEW OR TARGET glew))
   if(NOT EXISTS "${CMAKE_CURRENT_BINARY_DIR}/_deps/glew-external-src")
     if(DEPENDENCIES_FORCE_DOWNLOAD)
       message(STATUS "DEPENDENCIES_FORCE_DOWNLOAD is ON. Fetching GLEW.")