diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1f0128e..7813052 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,6 +19,7 @@ set(CMAKE_C_STANDARD_REQUIRED TRUE)
 set(CMAKE_C_EXTENSIONS FALSE)
 
 option(ENABLE_DEBUG_LOG "Enable debug messages (very verbose)")
+option(ENABLE_ALL_TESTS "Forces the execution of all tests")
 
 if(ENABLE_DEBUG_LOG)
   add_definitions(-DENABLE_DEBUG)
diff --git a/nix/rt.nix b/nix/rt.nix
index af49a7c..abbc47d 100644
--- a/nix/rt.nix
+++ b/nix/rt.nix
@@ -82,6 +82,7 @@ let
         last.nodes
         pkgs.strace
       ];
+      cmakeFlags = old.cmakeFlags ++ [ "-DENABLE_ALL_TESTS=ON" ];
       preConfigure = old.preConfigure + ''
         export NODES_HOME="${last.nodes}"
         export NANOS6_HOME="${last.nanos6}"
diff --git a/test/rt/nanos6/CMakeLists.txt b/test/rt/nanos6/CMakeLists.txt
index 1b7d354..dbbdd99 100644
--- a/test/rt/nanos6/CMakeLists.txt
+++ b/test/rt/nanos6/CMakeLists.txt
@@ -6,12 +6,20 @@ find_package(Nanos6)
 include(CheckCCompilerFlag)
 check_c_compiler_flag("-fompss-2" HAVE_FOMPSS2_FLAG)
 if(NOT HAVE_FOMPSS2_FLAG)
-  message(STATUS "Compiler doesn't support -fompss-2 flag, disabling Nanos6 RT tests")
+  if(ENABLE_ALL_TESTS)
+    message(FATAL_ERROR "Compiler doesn't support -fompss-2 flag, cannot enable Nanos6 RT tests")
+  else()
+    message(STATUS "Compiler doesn't support -fompss-2 flag, disabling Nanos6 RT tests")
+  endif()
   return()
 endif()
 
 if(NOT NANOS6_FOUND)
-  message(STATUS "Nanos6 not found, disabling Nanos6 RT tests")
+  if(ENABLE_ALL_TESTS)
+    message(FATAL_ERROR "Nanos6 not found, cannot enable Nanos6 RT tests")
+  else()
+    message(STATUS "Nanos6 not found, disabling Nanos6 RT tests")
+  endif()
   return()
 else()
   message(STATUS "Enabling Nanos6 RT tests")
diff --git a/test/rt/nodes/CMakeLists.txt b/test/rt/nodes/CMakeLists.txt
index 6458e1e..f09716e 100644
--- a/test/rt/nodes/CMakeLists.txt
+++ b/test/rt/nodes/CMakeLists.txt
@@ -6,12 +6,20 @@ find_package(Nodes)
 include(CheckCCompilerFlag)
 check_c_compiler_flag("-fompss-2" HAVE_FOMPSS2_FLAG)
 if(NOT HAVE_FOMPSS2_FLAG)
-  message(STATUS "Compiler doesn't support -fompss-2 flag, disabling NODES RT tests")
+  if(ENABLE_ALL_TESTS)
+    message(FATAL_ERROR "Compiler doesn't support -fompss-2 flag, cannot enable NODES RT tests")
+  else()
+    message(STATUS "Compiler doesn't support -fompss-2 flag, disabling NODES RT tests")
+  endif()
   return()
 endif()
 
 if(NOT NODES_FOUND)
-  message(STATUS "NODES not found, disabling NODES RT tests")
+  if(ENABLE_ALL_TESTS)
+    message(FATAL_ERROR "NODES not found, cannot enable NODES RT tests")
+  else()
+    message(STATUS "NODES not found, disabling NODES RT tests")
+  endif()
   return()
 else()
   message(STATUS "Enabling NODES RT tests")
diff --git a/test/rt/nosv/CMakeLists.txt b/test/rt/nosv/CMakeLists.txt
index 6903e77..12fa551 100644
--- a/test/rt/nosv/CMakeLists.txt
+++ b/test/rt/nosv/CMakeLists.txt
@@ -7,7 +7,11 @@ find_path(NOSV_INCLUDE_DIR nosv.h)
 check_library_exists(nosv nosv_init "nosv.h" HAVE_NOSV)
 
 if(NOT HAVE_NOSV)
-  message(STATUS "nOS-V library not found, disabling nOS-V RT tests")
+  if(ENABLE_ALL_TESTS)
+    message(FATAL_ERROR "nOS-V library not found, cannot enable nOS-V RT tests")
+  else()
+    message(STATUS "nOS-V library not found, disabling nOS-V RT tests")
+  endif()
   return()
 else()
   message(STATUS "Enabling nOS-V RT tests")