ensure -fPIC is used when building a static lib (#93)

Signed-off-by: Dirk Thomas <[email protected]>
ros2 · Aug 12, 2020 · 5e98497 · 5e98497
1 parent 9c31b67
commit 5e98497
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -15,6 +15,10 @@ if(NOT CMAKE_CXX_STANDARD)
   set(CMAKE_CXX_STANDARD 14)
 endif()
 
+if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+  # enables building a static library but later link it into a dynamic library
+  add_compile_options(-fPIC)
+endif()
 if(NOT WIN32)
   add_compile_options(-Wall -Wextra -Wpedantic)
 endif()