cmake: Add options to disable usage of distribution's libraries

This adds two new options to the cmake script which, when set, force cmake to use the version of the Antlr or QScintilla library in our repository and not search for a system-wide version of the library. See issue sqlitebrowser#961.
yunzixun · Feb 15, 2017 · 8533433 · 8533433
1 parent b5345fe
commit 8533433
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -4,6 +4,8 @@ cmake_minimum_required(VERSION 2.8.7)
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" "${CMAKE_MODULE_PATH}")
 
 OPTION(ENABLE_TESTING "Enable the unit tests" OFF)
+OPTION(FORCE_INTERNAL_ANTLR "Don't use the distribution's Antlr library even if there is one" OFF)
+OPTION(FORCE_INTERNAL_QSCINTILLA "Don't use the distribution's QScintilla library even if there is one" OFF)
 
 if(NOT CMAKE_BUILD_TYPE)
     set(CMAKE_BUILD_TYPE "Release")
@@ -44,8 +46,12 @@ if(WIN32 AND MSVC)
 	set(VSREDIST_DIR "C:/dev/dependencies")
 endif()
 
-find_package(Antlr2)
-find_package(QScintilla)
+if(NOT FORCE_INTERNAL_ANTLR)
+    find_package(Antlr2)
+endif()
+if(NOT FORCE_INTERNAL_QSCINTILLA)
+    find_package(QScintilla)
+endif()
 
 set(QHEXEDIT_DIR libs/qhexedit)
 set(QCUSTOMPLOT_DIR libs/qcustomplot-source)