Don't build tests/examples if used by another project

Author: BenBrock

CMakeLists.txt

@@ -4,24 +4,32 @@ project(binsparse)
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-set(CMAKE_CXX_FLAGS "-O3")
-
-include(FetchContent)
-FetchContent_Declare(
-  googletest
-  URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
-)
-# For Windows: Prevent overriding the parent project's compiler/linker settings
-set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
-FetchContent_MakeAvailable(googletest)
-
-FetchContent_Declare(
-  fmt
-  GIT_REPOSITORY https://github.com/fmtlib/fmt.git
-  GIT_TAG 10.1.1)
-FetchContent_MakeAvailable(fmt)
-
 find_package(HDF5 REQUIRED COMPONENTS CXX)
 add_subdirectory(include)
-add_subdirectory(examples)
-add_subdirectory(test)
+
+if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
+  # Dependencies needed only for examples/test
+
+  # Google test
+  include(FetchContent)
+  FetchContent_Declare(
+    googletest
+    URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
+  )
+  # For Windows: Prevent overriding the parent project's compiler/linker settings
+  set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+  FetchContent_MakeAvailable(googletest)
+
+  # fmt
+  FetchContent_Declare(
+    fmt
+    GIT_REPOSITORY https://github.com/fmtlib/fmt.git
+    GIT_TAG 10.1.1)
+  FetchContent_MakeAvailable(fmt)
+
+  set(CMAKE_CXX_FLAGS "-O3 -march=native")
+
+  add_subdirectory(examples)
+  add_subdirectory(test)
+
+endif()