wait, i think the callback has to be a function, not a macro...

Author: aatxe

CMakeLists.txt

@@ -53,12 +53,12 @@ set(BORINGSSL_INCLUDE_DIR ${PROJECT_SOURCE_DIR}/extern/boringssl/include)
 
 # we must empower ourselves with the spells necessary to block _all further mutation_ to a variable
 
-macro(protect_variable_callback variable access value current_list_file stack)
+function(protect_variable_callback variable access value current_list_file stack)
   if(access STREQUAL "MODIFIED_ACCESS")
     set(${variable} "${_PROTECTED_${variable}_VALUE}" CACHE INTERNAL "Protected variable" FORCE)
     message(WARNING "Attempt to modify protected variable ${variable} was blocked (in ${current_list_file})")
   endif()
-endmacro()
+endfunction()
 
 function(set_protected_variable var_name value)
   set(_PROTECTED_${var_name}_VALUE "${value}" CACHE INTERNAL "")
@@ -69,8 +69,8 @@ endfunction()
 # Path to the actual files
 
 # find_package is an evil demon, and we must use powerful spells to bind it
-set_protected_variable(OPENSSL_SSL_LIBRARY "${BORINGSSL_OUTPUT_DIR}/libssl${LIB_EXT}" CACHE FILEPATH "" FORCE)
-set_protected_variable(OPENSSL_CRYPTO_LIBRARY "${BORINGSSL_OUTPUT_DIR}/libcrypto${LIB_EXT}" CACHE INTERNAL FILEPATH "" FORCE)
+set_protected_variable(OPENSSL_SSL_LIBRARY "${BORINGSSL_OUTPUT_DIR}/libssl${LIB_EXT}")
+set_protected_variable(OPENSSL_CRYPTO_LIBRARY "${BORINGSSL_OUTPUT_DIR}/libcrypto${LIB_EXT}")
 set(OPENSSL_LIBRARIES "${OPENSSL_SSL_LIBRARY};${OPENSSL_CRYPTO_LIBRARY}" CACHE STRING "" FORCE)
 
 add_library(OpenSSL::SSL STATIC IMPORTED GLOBAL)