cmake: Make SVNVersion.inc step depend on GetSVN.cmake.

This way, the step generating SVNVersion.inc gets rerun every time someone
changes GetSVN.cmake (which is the file that decides how the contents of
SVNVersion.inc look). This makes hacking on GetSVN.cmake a bit easier.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@223861 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Basic/CMakeLists.txt b/lib/Basic/CMakeLists.txt
index 3481809c60f713fac1713482f01aff1bdd05a18d..d15fc23429ab836d3a41dd78548bb1448ce76c15 100644 (file)
--- a/lib/Basic/CMakeLists.txt
+++ b/lib/Basic/CMakeLists.txt
@@ -28,17 +28,19 @@ find_first_existing_vc_file(clang_vc "${CLANG_SOURCE_DIR}")
 # The VC revision include that we want to generate.
 set(version_inc "${CMAKE_CURRENT_BINARY_DIR}/SVNVersion.inc")
 
+set(get_svn_script "${LLVM_MAIN_SRC_DIR}/cmake/modules/GetSVN.cmake")
+
 if(DEFINED llvm_vc AND DEFINED clang_vc)
   # Create custom target to generate the VC revision include.
   add_custom_command(OUTPUT "${version_inc}"
-    DEPENDS "${llvm_vc}" "${clang_vc}"
+    DEPENDS "${llvm_vc}" "${clang_vc}" "${get_svn_script}"
     COMMAND
     ${CMAKE_COMMAND} "-DFIRST_SOURCE_DIR=${LLVM_MAIN_SRC_DIR}"
                      "-DFIRST_NAME=LLVM"
                      "-DSECOND_SOURCE_DIR=${CLANG_SOURCE_DIR}"
                      "-DSECOND_NAME=CLANG"
                      "-DHEADER_FILE=${version_inc}"
-                     -P "${LLVM_MAIN_SRC_DIR}/cmake/modules/GetSVN.cmake")
+                     -P "${get_svn_script}")
 
   # Mark the generated header as being generated.
   set_source_files_properties("${version_inc}"