[Infrastructure] Use pipes rather than temporary files (#8463)

Author: ktf

dependencies/O2PhysicsCompileFlags.cmake

@@ -81,11 +81,11 @@ IF (NOT CMAKE_BUILD_TYPE)
 ENDIF (NOT CMAKE_BUILD_TYPE)
 
 IF(ENABLE_CASSERT) #For the CI, we want to have <cassert> assertions enabled
-    set(CMAKE_CXX_FLAGS_RELEASE "-O2")
-    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
+    set(CMAKE_CXX_FLAGS_RELEASE "-O2 -pipe")
+    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -pipe")
 ELSE()
-    set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG")
-    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG")
+    set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG -pipe")
+    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g -DNDEBUG -pipe")
     if (CMAKE_BUILD_TYPE STREQUAL "RELEASE" OR CMAKE_BUILD_TYPE STREQUAL "RELWITHDEBINFO")
       set(FAIR_MIN_SEVERITY "info")
     endif()