CMakeLists: Make missing declarations a compile-time error

Ensures that our code always has its linkage explicit.
6 years ago · dcbb39cdae
1 changed files with 1 additions and 0 deletions
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@ -54,6 +54,7 @@ else()
    add_compile_options(
        -Wall
        -Werror=implicit-fallthrough
+        -Werror=missing-declarations
        -Werror=reorder
        -Wextra
        -Wmissing-declarations