diff --git a/sdk/lib/crt/math/math.cmake b/sdk/lib/crt/math/math.cmake
index 9bb584d4bc7..7e04dcc503b 100644
--- a/sdk/lib/crt/math/math.cmake
+++ b/sdk/lib/crt/math/math.cmake
@@ -73,6 +73,7 @@ elseif(ARCH STREQUAL "amd64")
 elseif(ARCH STREQUAL "arm")
     list(APPEND LIBCNTPR_MATH_SOURCE
         math/cos.c
+        math/floorf.c
         math/sin.c
         math/sqrt.c
         math/arm/__rt_sdiv.c
@@ -128,7 +129,6 @@ if(NOT ARCH STREQUAL "i386")
         math/cos.c
         math/coshf.c
         math/expf.c
-        math/floorf.c
         math/fmodf.c
         math/log10f.c
         math/modff.c
diff --git a/sdk/lib/crt/msvcrtex.cmake b/sdk/lib/crt/msvcrtex.cmake
index 5f9cad1b48f..0ba3ee2aa7e 100644
--- a/sdk/lib/crt/msvcrtex.cmake
+++ b/sdk/lib/crt/msvcrtex.cmake
@@ -2,32 +2,7 @@
 include_directories(include/internal/mingw-w64)
 
 list(APPEND MSVCRTEX_SOURCE
-    startup/_matherr.c
-    startup/crtexe.c
-    startup/wcrtexe.c
-    startup/crt_handler.c
-    startup/crtdll.c
-    startup/_newmode.c
-    startup/wildcard.c
-    startup/tlssup.c
-    startup/mingw_helpers.c
-    startup/natstart.c
-    startup/charmax.c
-    startup/atonexit.c
-    startup/dllmain.c
-    startup/pesect.c
-    startup/tlsmcrt.c
-    startup/tlsthrd.c
-    startup/tlsmthread.c
-    startup/cinitexe.c
-    startup/gs_support.c
-    startup/dll_argv.c
-    startup/dllargv.c
-    startup/wdllargv.c
-    startup/crt0_c.c
-    startup/crt0_w.c
-    startup/dllentry.c
-    startup/reactos.c
+    ${CRT_STARTUP_SOURCE}
     misc/dbgrpt.cpp
     misc/fltused.c
     misc/isblank.c
@@ -35,15 +10,6 @@ list(APPEND MSVCRTEX_SOURCE
     misc/ofmt_stub.c
     stdio/acrt_iob_func.c)
 
-if(MSVC)
-    list(APPEND MSVCRTEX_SOURCE
-        startup/threadSafeInit.c)
-else()
-    list(APPEND MSVCRTEX_SOURCE
-        startup/pseudo-reloc.c
-        startup/pseudo-reloc-list.c)
-endif()
-
 if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
     # Clang performs some optimizations requiring those funtions
     list(APPEND MSVCRTEX_SOURCE
@@ -95,12 +61,6 @@ elseif(ARCH STREQUAL "arm")
     )
 endif()
 
-if(MSVC)
-    list(APPEND MSVCRTEX_SOURCE startup/mscmain.c)
-else()
-    list(APPEND MSVCRTEX_SOURCE startup/gccmain.c)
-endif()
-
 set_source_files_properties(${MSVCRTEX_ASM_SOURCE} PROPERTIES COMPILE_DEFINITIONS "_DLL;_MSVCRTEX_")
 add_asm_files(msvcrtex_asm ${MSVCRTEX_ASM_SOURCE})
 
diff --git a/sdk/lib/crt/startup/startup.cmake b/sdk/lib/crt/startup/startup.cmake
index 37577e0e70d..79b1f6f6e76 100644
--- a/sdk/lib/crt/startup/startup.cmake
+++ b/sdk/lib/crt/startup/startup.cmake
@@ -12,6 +12,7 @@ list(APPEND CRT_STARTUP_SOURCE
     startup/natstart.c
     startup/charmax.c
     startup/atonexit.c
+    startup/dllmain.c
     startup/pesect.c
     startup/tlsmcrt.c
     startup/tlsthrd.c
@@ -26,3 +27,16 @@ list(APPEND CRT_STARTUP_SOURCE
     startup/dllentry.c
     startup/reactos.c
 )
+
+if(MSVC)
+    list(APPEND CRT_STARTUP_SOURCE
+        startup/mscmain.c
+        startup/threadSafeInit.c
+    )
+else()
+    list(APPEND CRT_STARTUP_SOURCE
+        startup/gccmain.c
+        startup/pseudo-reloc.c
+        startup/pseudo-reloc-list.c
+    )
+endif()