CMake: various tidying-up

(cherry picked from commit 294f0c7e1a)

cmake/Findcmark.cmake

@@ -7,14 +7,16 @@
 
 # first try to find cmark-config.cmake
 # path to a file not in the search path can be set with 'cmake -Dcmark_DIR=some/path/'
-find_package(cmark CONFIG)
+find_package(cmark CONFIG QUIET)
 if(cmark_FOUND AND TARGET cmark::cmark)
   # found it!
   return()
 endif()
 
-include(FindPkgConfig)
-pkg_check_modules(PC_CMARK QUIET cmark)
+find_package(PkgConfig QUIET)
+if(PKG_CONFIG_FOUND)
+  pkg_check_modules(PC_CMARK QUIET cmark)
+endif()
 
 if(NOT CMARK_INCLUDE_DIR)
   find_path(CMARK_INCLUDE_DIR

src/CMakeLists.txt

@@ -33,7 +33,7 @@ add_executable(neochat
     ../res.qrc
 )
 
-if(${Quotient_VERSION_MINOR} GREATER 6)
+if(Quotient_VERSION_MINOR GREATER 6)
     target_compile_definitions(neochat PRIVATE QUOTIENT_07)
 endif()