4 files changed, 44 insertions, 23 deletions
diff --git a/indra/cmake/00-Common.cmake b/indra/cmake/00-Common.cmake
index 15b827b217..faffdc8ccd 100644
--- a/indra/cmake/00-Common.cmake
+++ b/indra/cmake/00-Common.cmake
@@ -36,6 +36,13 @@ if (WINDOWS)
   # Don't build DLLs.
   set(BUILD_SHARED_LIBS OFF)
 
+  # for "backwards compatibility", cmake sneaks in the Zm1000 option which royally
+  # screws incredibuild. this hack disables it.
+  # for details see: http://connect.microsoft.com/VisualStudio/feedback/details/368107/clxx-fatal-error-c1027-inconsistent-values-for-ym-between-creation-and-use-of-precompiled-headers
+  # http://www.ogre3d.org/forums/viewtopic.php?f=2&t=60015
+  # http://www.cmake.org/pipermail/cmake/2009-September/032143.html
+  string(REPLACE "/Zm1000" " " CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
+
   set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /Od /Zi /MDd /MP -D_SCL_SECURE_NO_WARNINGS=1"
       CACHE STRING "C++ compiler debug options" FORCE)
   set(CMAKE_CXX_FLAGS_RELWITHDEBINFO 
diff --git a/indra/cmake/LLAddBuildTest.cmake b/indra/cmake/LLAddBuildTest.cmake
index 3f259f6382..08feab6e36 100644
--- a/indra/cmake/LLAddBuildTest.cmake
+++ b/indra/cmake/LLAddBuildTest.cmake
@@ -95,7 +95,7 @@ INCLUDE(GoogleMock)
     IF(${name}_test_additional_INCLUDE_DIRS MATCHES NOTFOUND)
       SET(${name}_test_additional_INCLUDE_DIRS "")
     ENDIF(${name}_test_additional_INCLUDE_DIRS MATCHES NOTFOUND)
-    INCLUDE_DIRECTORIES(${alltest_INCLUDE_DIRS} ${name}_test_additional_INCLUDE_DIRS )
+    INCLUDE_DIRECTORIES(${alltest_INCLUDE_DIRS} ${${name}_test_additional_INCLUDE_DIRS} )
     IF(LL_TEST_VERBOSE)
       MESSAGE("LL_ADD_PROJECT_UNIT_TESTS ${name}_test_additional_INCLUDE_DIRS ${${name}_test_additional_INCLUDE_DIRS}")
     ENDIF(LL_TEST_VERBOSE)
diff --git a/indra/cmake/Prebuilt.cmake b/indra/cmake/Prebuilt.cmake
index 1b60d176f1..dbb4dfc46c 100644
--- a/indra/cmake/Prebuilt.cmake
+++ b/indra/cmake/Prebuilt.cmake
@@ -1,35 +1,49 @@
 # -*- cmake -*-
 
 include(FindAutobuild)
+if(INSTALL_PROPRIETARY)
+  include(FindSCP)
+endif(INSTALL_PROPRIETARY)
 
+# The use_prebuilt_binary macro handles automated installation of package
+# dependencies using autobuild.  The goal is that 'autobuild install' should
+# only be run when we know we need to install a new package.  This should be
+# the case in a clean checkout, or if autobuild.xml has been updated since the
+# last run (encapsulated by the file ${CMAKE_BINARY_DIR}/temp/sentinel_installed),
+# or if a previous attempt to install the package has failed (the exit status
+# of previous attempts is serialized in the file
+# ${CMAKE_BINARY_DIR}/temp/${_binary}_installed)
 macro (use_prebuilt_binary _binary)
   if (NOT DEFINED STANDALONE_${_binary})
     set(STANDALONE_${_binary} ${STANDALONE})
   endif (NOT DEFINED STANDALONE_${_binary})
 
   if (NOT STANDALONE_${_binary})
-    if(${CMAKE_BINARY_DIR}/temp/sentinel_installed IS_NEWER_THAN ${CMAKE_BINARY_DIR}/temp/${_binary}_installed)
-      if(INSTALL_PROPRIETARY)
-        include(FindSCP)
-      endif(INSTALL_PROPRIETARY)
-	  if(DEBUG_PREBUILT)
-		message("cd ${CMAKE_SOURCE_DIR} && ${AUTOBUILD_EXECUTABLE} install
-		--install-dir=${AUTOBUILD_INSTALL_DIR}
-		--skip-license-check
-		${_binary} ")
-	  endif(DEBUG_PREBUILT)
-	  execute_process(COMMAND "${AUTOBUILD_EXECUTABLE}"
-		install
-		--install-dir=${AUTOBUILD_INSTALL_DIR}
-		--skip-license-check
-		${_binary}
-		WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
-		RESULT_VARIABLE ${_binary}_installed
-		)
+    if("${${_binary}_installed}" STREQUAL "" AND EXISTS "${CMAKE_BINARY_DIR}/temp/${_binary}_installed")
+      file(READ ${CMAKE_BINARY_DIR}/temp/${_binary}_installed "${_binary}_installed")
+      if(DEBUG_PREBUILT)
+        message(STATUS "${_binary}_installed: \"${${_binary}_installed}\"")
+      endif(DEBUG_PREBUILT)
+    endif("${${_binary}_installed}" STREQUAL "" AND EXISTS "${CMAKE_BINARY_DIR}/temp/${_binary}_installed")
+
+    if(${CMAKE_BINARY_DIR}/temp/sentinel_installed IS_NEWER_THAN ${CMAKE_BINARY_DIR}/temp/${_binary}_installed OR NOT ${${_binary}_installed} EQUAL 0)
+      if(DEBUG_PREBUILT)
+        message("cd ${CMAKE_SOURCE_DIR} && ${AUTOBUILD_EXECUTABLE} install
+        --install-dir=${AUTOBUILD_INSTALL_DIR}
+        --skip-license-check
+        ${_binary} ")
+      endif(DEBUG_PREBUILT)
+      execute_process(COMMAND "${AUTOBUILD_EXECUTABLE}"
+        install
+        --install-dir=${AUTOBUILD_INSTALL_DIR}
+        --skip-license-check
+        ${_binary}
+        WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+        RESULT_VARIABLE ${_binary}_installed
+        )
       file(WRITE ${CMAKE_BINARY_DIR}/temp/${_binary}_installed "${${_binary}_installed}")
-    else(${CMAKE_BINARY_DIR}/temp/sentinel_installed IS_NEWER_THAN ${CMAKE_BINARY_DIR}/temp/${_binary}_installed)
-      set(${_binary}_installed 0)
-    endif(${CMAKE_BINARY_DIR}/temp/sentinel_installed IS_NEWER_THAN ${CMAKE_BINARY_DIR}/temp/${_binary}_installed)
+    endif(${CMAKE_BINARY_DIR}/temp/sentinel_installed IS_NEWER_THAN ${CMAKE_BINARY_DIR}/temp/${_binary}_installed OR NOT ${${_binary}_installed} EQUAL 0)
+
     if(NOT ${_binary}_installed EQUAL 0)
       message(FATAL_ERROR
               "Failed to download or unpack prebuilt '${_binary}'."
diff --git a/indra/cmake/Variables.cmake b/indra/cmake/Variables.cmake
index 03428691cf..2f23e7c307 100644
--- a/indra/cmake/Variables.cmake
+++ b/indra/cmake/Variables.cmake
@@ -151,7 +151,7 @@ For more information, please see JIRA DEV-14943 - Cmake Linux cannot build both
 endif (LINUX AND SERVER AND VIEWER)
 
 
-set(USE_PRECOMPILED_HEADERS OFF CACHE BOOL "Enable use of precompiled header directives where supported.")
+set(USE_PRECOMPILED_HEADERS ON CACHE BOOL "Enable use of precompiled header directives where supported.")
 
 source_group("CMake Rules" FILES CMakeLists.txt)