From 1aca3ff6f5f6ce0d2414d4266e902ba40f4c8d84 Mon Sep 17 00:00:00 2001
From: Bryan O'Sullivan <bos@lindenlab.com>
Date: Thu, 9 Apr 2009 18:05:56 +0000
Subject: Get 32-bit builds going on 64-bit Debian Etch. Reviewed by Brad.

---
 indra/cmake/00-Common.cmake |  8 ++++++++
 indra/cmake/MySQL.cmake     | 21 ++++++++++++---------
 indra/cmake/Variables.cmake | 21 +++++++++++++++++++--
 3 files changed, 39 insertions(+), 11 deletions(-)

(limited to 'indra/cmake')

diff --git a/indra/cmake/00-Common.cmake b/indra/cmake/00-Common.cmake
index 42f43f9d4e..ad7529ea0a 100644
--- a/indra/cmake/00-Common.cmake
+++ b/indra/cmake/00-Common.cmake
@@ -202,6 +202,14 @@ if (LINUX OR DARWIN)
 
   set(CMAKE_C_FLAGS "${GCC_WARNINGS} ${CMAKE_C_FLAGS}")
   set(CMAKE_CXX_FLAGS "${GCC_CXX_WARNINGS} ${CMAKE_CXX_FLAGS}")
+
+  if (WORD_SIZE EQUAL 32)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32")
+  elseif (WORD_SIZE EQUAL 64)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m64")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m64")
+  endif (WORD_SIZE EQUAL 32)
 endif (LINUX OR DARWIN)
 
 
diff --git a/indra/cmake/MySQL.cmake b/indra/cmake/MySQL.cmake
index e124ebb45e..e591fbc3d8 100644
--- a/indra/cmake/MySQL.cmake
+++ b/indra/cmake/MySQL.cmake
@@ -1,14 +1,20 @@
 # -*- cmake -*-
 include(Linking)
 include(Prebuilt)
-# We don't prebuild our own MySQL client library.
 
 use_prebuilt_binary(mysql)
 
-set(MYSQL_FIND_QUIETLY ON)
-set(MYSQL_FIND_REQUIRED ON)
-
-if (WINDOWS)
+if (LINUX)
+  if (WORD_SIZE EQUAL 32 OR DEBIAN_VERSION STREQUAL "3.1")
+    set(MYSQL_LIBRARIES mysqlclient)
+    set(MYSQL_INCLUDE_DIR ${LIBS_PREBUILT_DIR}/${LL_ARCH_DIR}/include)
+  else (WORD_SIZE EQUAL 32 OR DEBIAN_VERSION STREQUAL "3.1")
+    # Use the native MySQL library on a 64-bit system.
+    set(MYSQL_FIND_QUIETLY ON)
+    set(MYSQL_FIND_REQUIRED ON)
+    include(FindMySQL)
+  endif (WORD_SIZE EQUAL 32 OR DEBIAN_VERSION STREQUAL "3.1")
+elseif (WINDOWS)
   set(MYSQL_LIBRARIES mysqlclient)
   set(MYSQL_INCLUDE_DIR ${LIBS_PREBUILT_DIR}/${LL_ARCH_DIR}/include)
 elseif (DARWIN)
@@ -17,7 +23,4 @@ elseif (DARWIN)
     optimized ${ARCH_PREBUILT_DIRS_RELEASE}/libmysqlclient.a
     debug ${ARCH_PREBUILT_DIRS_DEBUG}/libmysqlclient.a
     )
-else (WINDOWS)
-    set(MYSQL_FIND_REQUIRED)
-    include(FindMySQL)
-endif (WINDOWS)
+endif (LINUX)
diff --git a/indra/cmake/Variables.cmake b/indra/cmake/Variables.cmake
index 5868e4d07e..c0b4191852 100644
--- a/indra/cmake/Variables.cmake
+++ b/indra/cmake/Variables.cmake
@@ -45,12 +45,28 @@ if (${CMAKE_SYSTEM_NAME} MATCHES "Windows")
   set(ARCH i686)
   set(LL_ARCH ${ARCH}_win32)
   set(LL_ARCH_DIR ${ARCH}-win32)
+  set(WORD_SIZE 32)
 endif (${CMAKE_SYSTEM_NAME} MATCHES "Windows")
 
 if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
   set(LINUX ON BOOl FORCE)
-  execute_process(COMMAND uname -m COMMAND sed s/i.86/i686/
-                  OUTPUT_VARIABLE ARCH OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+  # If someone has specified a word size, use that to determine the
+  # architecture.  Otherwise, let the architecture specify the word size.
+  if (WORD_SIZE EQUAL 32)
+    set(ARCH i686)
+  elseif (WORD_SIZE EQUAL 64)
+    set(ARCH x86_64)
+  else (WORD_SIZE EQUAL 32)
+    execute_process(COMMAND uname -m COMMAND sed s/i.86/i686/
+                    OUTPUT_VARIABLE ARCH OUTPUT_STRIP_TRAILING_WHITESPACE)
+    if (ARCH STREQUAL x86_64)
+      set(WORD_SIZE 64)
+    else (ARCH STREQUAL x86_64)
+      set(WORD_SIZE 64)
+    endif (ARCH STREQUAL x86_64)
+  endif (WORD_SIZE EQUAL 32)
+
   set(LL_ARCH ${ARCH}_linux)
   set(LL_ARCH_DIR ${ARCH}-linux)
 endif (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
@@ -73,6 +89,7 @@ if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
   endif (CMAKE_OSX_ARCHITECTURES MATCHES "i386" AND CMAKE_OSX_ARCHITECTURES MATCHES "ppc")
   set(LL_ARCH ${ARCH}_darwin)
   set(LL_ARCH_DIR universal-darwin)
+  set(WORD_SIZE 32)
 endif (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
 
 # Default deploy grid
-- 
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