1 files changed, 44 insertions, 14 deletions
diff --git a/indra/cmake/BuildVersion.cmake b/indra/cmake/BuildVersion.cmake
index 60a519c9af..c494355746 100644
--- a/indra/cmake/BuildVersion.cmake
+++ b/indra/cmake/BuildVersion.cmake
@@ -1,18 +1,48 @@
 # -*- cmake -*-
+# Construct the viewer version number based on the indra/VIEWER_VERSION file
 
-include(Python)
+if (NOT DEFINED VIEWER_SHORT_VERSION) # will be true in indra/, false in indra/newview/
+    set(VIEWER_VERSION_BASE_FILE "${CMAKE_CURRENT_SOURCE_DIR}/newview/VIEWER_VERSION.txt")
 
-macro (build_version _target)
-  execute_process(
-      COMMAND ${PYTHON_EXECUTABLE} ${SCRIPTS_DIR}/build_version.py
-        llversion${_target}.h ${LLCOMMON_INCLUDE_DIRS}
-      OUTPUT_VARIABLE ${_target}_VERSION
-      OUTPUT_STRIP_TRAILING_WHITESPACE
-      )
+    if ( EXISTS ${VIEWER_VERSION_BASE_FILE} )
+        file(STRINGS ${VIEWER_VERSION_BASE_FILE} VIEWER_SHORT_VERSION REGEX "^[0-9]+\\.[0-9]+\\.[0-9]+")
+        string(REGEX REPLACE "^([0-9]+)\\.[0-9]+\\.[0-9]+" "\\1" VIEWER_VERSION_MAJOR ${VIEWER_SHORT_VERSION})
+        string(REGEX REPLACE "^[0-9]+\\.([0-9]+)\\.[0-9]+" "\\1" VIEWER_VERSION_MINOR ${VIEWER_SHORT_VERSION})
+        string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" VIEWER_VERSION_PATCH ${VIEWER_SHORT_VERSION})
 
-  if (${_target}_VERSION)
-    message(STATUS "Version of ${_target} is ${${_target}_VERSION}")
-  else (${_target}_VERSION)
-    message(SEND_ERROR "Could not determine ${_target} version")
-  endif (${_target}_VERSION)
-endmacro (build_version)
+        if (DEFINED ENV{revision})
+           set(VIEWER_VERSION_REVISION $ENV{revision})
+           message("Revision (from environment): ${VIEWER_VERSION_REVISION}")
+
+        else (DEFINED ENV{revision})
+           find_program(MERCURIAL hg)
+           if (DEFINED MERCURIAL)
+              execute_process(
+                 COMMAND ${MERCURIAL} parents --template "{rev}"
+                 OUTPUT_VARIABLE VIEWER_VERSION_REVISION
+                 OUTPUT_STRIP_TRAILING_WHITESPACE
+                 )
+              if (DEFINED VIEWER_VERSION_REVISION)
+                 message("Revision (from hg) ${VIEWER_VERSION_REVISION}")
+              else (DEFINED VIEWER_VERSION_REVISION)
+                 set(VIEWER_VERSION_REVISION 0 )
+                 message("Revision not set, repository not found, using ${VIEWER_VERSION_REVISION}")
+              endif (DEFINED VIEWER_VERSION_REVISION)
+           else (DEFINED MERCURIAL)
+              set(VIEWER_VERSION_REVISION 0)
+              message("Revision not set, 'hg' not found (${MERCURIAL}), using ${VIEWER_VERSION_REVISION}")
+           endif (DEFINED MERCURIAL)
+        endif (DEFINED ENV{revision})
+        message("Building '${VIEWER_CHANNEL}' Version ${VIEWER_SHORT_VERSION}.${VIEWER_VERSION_REVISION}")
+    else ( EXISTS ${VIEWER_VERSION_BASE_FILE} )
+        message(SEND_ERROR "Cannot get viewer version from '${VIEWER_VERSION_BASE_FILE}'") 
+    endif ( EXISTS ${VIEWER_VERSION_BASE_FILE} )
+
+    set(VIEWER_CHANNEL_VERSION_DEFINES
+        "LL_VIEWER_CHANNEL=\"${VIEWER_CHANNEL}\""
+        "LL_VIEWER_VERSION_MAJOR=${VIEWER_VERSION_MAJOR}"
+        "LL_VIEWER_VERSION_MINOR=${VIEWER_VERSION_MINOR}"
+        "LL_VIEWER_VERSION_PATCH=${VIEWER_VERSION_PATCH}"
+        "LL_VIEWER_VERSION_BUILD=${VIEWER_VERSION_REVISION}"
+        )
+endif (NOT DEFINED VIEWER_SHORT_VERSION)