[llvm-commits] [llvm] r115405 - /llvm/trunk/tools/llvm-config/CMakeLists.txt

[Oscar Fuentes]

Author: ofv
Date: Fri Oct  1 22:04:49 2010
New Revision: 115405

URL: http://llvm.org/viewvc/llvm-project?rev=115405&view=rev
Log:
Stop the build if cyclic library dependecies found.

Modified:
    llvm/trunk/tools/llvm-config/CMakeLists.txt

Modified: llvm/trunk/tools/llvm-config/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-config/CMakeLists.txt?rev=115405&r1=115404&r2=115405&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-config/CMakeLists.txt (original)
+++ llvm/trunk/tools/llvm-config/CMakeLists.txt Fri Oct  1 22:04:49 2010
@@ -80,8 +80,11 @@
   DEPENDS ${LIBDEPS_TMP}
   COMMENT "Updating ${LIBDEPS} if necessary...")
 
+# This must stop the build if find-cycles.pl returns error:
 add_custom_command(OUTPUT ${FINAL_LIBDEPS}
-  COMMAND ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/find-cycles.pl < ${LIBDEPS} > ${FINAL_LIBDEPS} || ${CMAKE_COMMAND} -E remove -f ${FINAL_LIBDEPS}
+  COMMAND ${CMAKE_COMMAND} -E remove -f ${FINAL_LIBDEPS} ${FINAL_LIBDEPS}.tmp
+  COMMAND ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/find-cycles.pl < ${LIBDEPS} > ${FINAL_LIBDEPS}.tmp
+  COMMAND ${CMAKE_COMMAND} -E copy ${FINAL_LIBDEPS}.tmp ${FINAL_LIBDEPS}
   DEPENDS ${LIBDEPS}
   COMMENT "Checking for cyclic dependencies between LLVM libraries.")