fix build again

Author: SchrodingerZhu

libc/src/setjmp/CMakeLists.txt

@@ -26,19 +26,21 @@ add_entrypoint_object(
     .${LIBC_TARGET_ARCHITECTURE}.longjmp
 )
 
-add_entrypoint_object(
-  siglongjmp
-  SRCS
-    siglongjmp.cpp
-  HDRS
-    siglongjmp.h
-  DEPENDS
-    .longjmp
-)
+if (TARGET libc.src.setjmp.sigsetjmp_epilogue)
+  add_entrypoint_object(
+    siglongjmp
+    SRCS
+      siglongjmp.cpp
+    HDRS
+      siglongjmp.h
+    DEPENDS
+      .longjmp
+  )
 
-add_entrypoint_object(
-  sigsetjmp
-  ALIAS
-  DEPENDS
-    .${LIBC_TARGET_ARCHITECTURE}.sigsetjmp
-)
+  add_entrypoint_object(
+    sigsetjmp
+    ALIAS
+    DEPENDS
+      .${LIBC_TARGET_ARCHITECTURE}.sigsetjmp
+  )
+endif()

libc/src/setjmp/x86_64/CMakeLists.txt

@@ -8,20 +8,21 @@ add_entrypoint_object(
     libc.hdr.offsetof_macros
     libc.hdr.types.jmp_buf
 )
-
-add_entrypoint_object(
-  sigsetjmp
-  SRCS
-    sigsetjmp.cpp
-  HDRS
-    ../sigsetjmp.h
-  DEPENDS
-    libc.hdr.types.jmp_buf
-    libc.hdr.types.sigset_t
-    libc.hdr.offsetof_macros
-    libc.src.setjmp.sigsetjmp_epilogue
-    libc.src.setjmp.setjmp
-)
+if (TARGET libc.src.setjmp.sigsetjmp_epilogue)
+  add_entrypoint_object(
+    sigsetjmp
+    SRCS
+      sigsetjmp.cpp
+    HDRS
+      ../sigsetjmp.h
+    DEPENDS
+      libc.hdr.types.jmp_buf
+      libc.hdr.types.sigset_t
+      libc.hdr.offsetof_macros
+      libc.src.setjmp.sigsetjmp_epilogue
+      libc.src.setjmp.setjmp
+  )
+endif()
 
 add_entrypoint_object(
   longjmp