build: supress warnings for stb (3rd party lib)

Author: Acly

CMakeLists.txt

@@ -70,6 +70,12 @@ if(VISP_DEV OR VISP_CI)
     set(VISP_WARNINGS -Wall -Wextra -Wpedantic -Werror)
   endif()
 endif()
+# Suppress warnings for external libraries
+if(MSVC)
+  set(VISP_NO_WARNINGS /W0)
+else()
+  set(VISP_NO_WARNINGS -w)
+endif()
 
 # Dependencies
 

depend/stb/CMakeLists.txt

@@ -9,4 +9,5 @@ FetchContent_MakeAvailable(stb)
 
 add_library(stb STATIC stb.cpp)
 target_include_directories(stb PUBLIC ${stb_SOURCE_DIR})
+target_compile_options(stb PRIVATE ${VISP_NO_WARNINGS})
 set_target_properties(stb PROPERTIES POSITION_INDEPENDENT_CODE ON)