Switching to system osmesa library instead of pre-packaged library

5 files changed, 95 insertions, 7 deletions

diff --git a/indra/cmake/CMakeLists.txt b/indra/cmake/CMakeLists.txt
index bee7a1b7c3..a21fa90950 100644
--- a/indra/cmake/CMakeLists.txt
+++ b/indra/cmake/CMakeLists.txt
@@ -15,6 +15,7 @@ set(cmake_SOURCE_FILES
     BuildVersion.cmake
     CARes.cmake
     CMakeCopyIfDifferent.cmake
+    ConfigurePkgConfig.cmake
     CURL.cmake
     Copy3rdPartyLibs.cmake
     DBusGlib.cmake
diff --git a/indra/cmake/ConfigurePkgConfig.cmake b/indra/cmake/ConfigurePkgConfig.cmake
new file mode 100644
index 0000000000..82ee3e7a5b
--- /dev/null
+++ b/indra/cmake/ConfigurePkgConfig.cmake
@@ -0,0 +1,74 @@
+# -*- cmake -*-
+
+SET(DEBUG_PKG_CONFIG "YES")
+
+# Don't change this if manually set by user.
+IF("$ENV{PKG_CONFIG_LIBDIR}" STREQUAL "")
+
+  # Guess at architecture-specific system library paths.
+  if (WORD_SIZE EQUAL 32)
+    SET(PKG_CONFIG_NO_MULTI_GUESS /usr/lib32 /usr/lib)
+    SET(PKG_CONFIG_NO_MULTI_LOCAL_GUESS /usr/local/lib32 /usr/local/lib)
+    SET(PKG_CONFIG_MULTI_GUESS /usr/lib/i386-linux-gnu)
+    SET(PKG_CONFIG_MULTI_LOCAL_GUESS /usr/local/lib/i386-linux-gnu)
+  else (WORD_SIZE EQUAL 32)
+    SET(PKG_CONFIG_NO_MULTI_GUESS /usr/lib64 /usr/lib)
+    SET(PKG_CONFIG_NO_MULTI_LOCAL_GUESS /usr/local/lib64 /usr/local/lib)
+    SET(PKG_CONFIG_MULTI_GUESS /usr/local/lib/x86_64-linux-gnu)
+    SET(PKG_CONFIG_MULTI_LOCAL_GUESS /usr/local/lib/x86_64-linux-gnu)
+  endif (WORD_SIZE EQUAL 32)
+  
+  # Use DPKG architecture, if available.
+  IF (${DPKG_ARCH})
+    SET(PKG_CONFIG_MULTI_GUESS /usr/lib/${DPKG_ARCH})
+    SET(PKG_CONFIG_MULTI_LOCAL_GUESS /usrlocal/lib/${DPKG_ARCH})
+  ENDIF (${DPKG_ARCH})
+  
+  # Explicitly include anything listed in PKG_CONFIG_PATH
+  string(REPLACE ":" ";" PKG_CONFIG_PATH_LIST "$ENV{PKG_CONFIG_PATH}")
+  FOREACH(PKG_CONFIG_DIR ${PKG_CONFIG_PATH_LIST})
+    SET(VALID_PKG_LIBDIRS "${VALID_PKG_LIBDIRS}:${PKG_CONFIG_DIR}/pkgconfig")
+  ENDFOREACH(PKG_CONFIG_DIR)
+
+  # Look for valid pkgconfig directories.
+  FIND_PATH(PKG_CONFIG_ENV pkgconfig ENV LD_LIBRARY_PATH)
+  FIND_PATH(PKG_CONFIG_MULTI pkgconfig HINT ${PKG_CONFIG_MULTI_GUESS})
+  FIND_PATH(PKG_CONFIG_MULTI_LOCAL pkgconfig HINT ${PKG_CONFIG_MULTI_LOCAL_GUESS})
+  FIND_PATH(PKG_CONFIG_NO_MULTI pkgconfig HINT ${PKG_CONFIG_NO_MULTI_GUESS})
+  FIND_PATH(PKG_CONFIG_NO_MULTI_LOCAL pkgconfig HINT ${PKG_CONFIG_NO_MULTI_LOCAL_GUESS})
+
+  # Add anything we found to our list.
+  IF(NOT PKG_CONFIG_ENV STREQUAL PKG_CONFIG_ENV-NOTFOUND) 
+    SET(VALID_PKG_LIBDIRS "${VALID_PKG_LIBDIRS}:${PKG_CONFIG_ENV}/pkgconfig")
+  ENDIF(NOT PKG_CONFIG_ENV STREQUAL PKG_CONFIG_ENV-NOTFOUND) 
+
+  IF(NOT PKG_CONFIG_MULTI STREQUAL PKG_CONFIG_MULTI-NOTFOUND) 
+    SET(VALID_PKG_LIBDIRS "${VALID_PKG_LIBDIRS}:${PKG_CONFIG_MULTI}/pkgconfig")
+  ENDIF(NOT PKG_CONFIG_MULTI STREQUAL PKG_CONFIG_MULTI-NOTFOUND) 
+
+  IF(NOT PKG_CONFIG_MULTI_LOCAL STREQUAL PKG_CONFIG_MULTI_LOCAL-NOTFOUND) 
+    SET(VALID_PKG_LIBDIRS "${VALID_PKG_LIBDIRS}:${PKG_CONFIG_MULTI_LOCAL}/pkgconfig")
+  ENDIF(NOT PKG_CONFIG_MULTI_LOCAL STREQUAL PKG_CONFIG_MULTI_LOCAL-NOTFOUND) 
+
+  IF(NOT PKG_CONFIG_NO_MULTI STREQUAL PKG_CONFIG_NO_MULTI-NOTFOUND) 
+    SET(VALID_PKG_LIBDIRS "${VALID_PKG_LIBDIRS}:${PKG_CONFIG_NO_MULTI}/pkgconfig")
+  ENDIF(NOT PKG_CONFIG_NO_MULTI STREQUAL PKG_CONFIG_NO_MULTI-NOTFOUND) 
+
+  IF(NOT PKG_CONFIG_NO_MULTI_LOCAL STREQUAL PKG_CONFIG_NO_MULTI_LOCAL-NOTFOUND) 
+    SET(VALID_PKG_LIBDIRS "${VALID_PKG_LIBDIRS}:${PKG_CONFIG_NO_MULTI_LOCAL}/pkgconfig")
+  ENDIF(NOT PKG_CONFIG_NO_MULTI_LOCAL STREQUAL PKG_CONFIG_NO_MULTI_LOCAL-NOTFOUND) 
+
+  # Also add some non-architecture specific package locations.
+  SET(VALID_PKG_LIBDIRS "${VALID_PKG_LIBDIRS}:/usr/share/pkgconfig:/usr/local/share/pkgconfig")
+
+  # Remove first unwanted ':'
+  string(SUBSTRING ${VALID_PKG_LIBDIRS} 1 -1 VALID_PKG_LIBDIRS)
+
+  # Set PKG_CONFIG_LIBDIR environment.
+  SET(ENV{PKG_CONFIG_LIBDIR} ${VALID_PKG_LIBDIRS})
+ENDIF("$ENV{PKG_CONFIG_LIBDIR}" STREQUAL "")
+
+IF(DEBUG_PKG_CONFIG)
+  MESSAGE(STATUS "Using PKG_CONFIG_LIBDIR=$ENV{PKG_CONFIG_LIBDIR}")
+ENDIF(DEBUG_PKG_CONFIG)
+
diff --git a/indra/cmake/LLWindow.cmake b/indra/cmake/LLWindow.cmake
index f6c40c174c..0def507e65 100644
--- a/indra/cmake/LLWindow.cmake
+++ b/indra/cmake/LLWindow.cmake
@@ -14,7 +14,6 @@ if (STANDALONE)
       SDL_LIBRARY
       )
 else (STANDALONE)
-  use_prebuilt_binary(mesa)
   if (LINUX)
     use_prebuilt_binary(SDL)
     set (SDL_FOUND TRUE)
diff --git a/indra/cmake/OpenGL.cmake b/indra/cmake/OpenGL.cmake
index 742d8e25a0..2259c99293 100644
--- a/indra/cmake/OpenGL.cmake
+++ b/indra/cmake/OpenGL.cmake
@@ -4,7 +4,6 @@ include(Variables)
 include(Prebuilt)
 
 if (BUILD_HEADLESS)
-  use_prebuilt_binary(mesa)
   SET(OPENGL_glu_LIBRARY GLU)
   SET(OPENGL_HEADLESS_LIBRARIES OSMesa16 dl GLU)
 endif (BUILD_HEADLESS)
diff --git a/indra/cmake/Variables.cmake b/indra/cmake/Variables.cmake
index 895b3003db..54c77da64e 100644
--- a/indra/cmake/Variables.cmake
+++ b/indra/cmake/Variables.cmake
@@ -70,10 +70,6 @@ endif (${CMAKE_SYSTEM_NAME} MATCHES "Windows")
 if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
   set(LINUX ON BOOl FORCE)
 
-  if (INSTALL_PROPRIETARY)
-    set(BUILD_HEADLESS ON CACHE BOOL "Build headless libraries.")
-  endif (INSTALL_PROPRIETARY)
-
   # 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)
@@ -97,18 +93,37 @@ if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
 
   if (WORD_SIZE EQUAL 32)
     set(DEB_ARCHITECTURE i386)
+    set(FIND_LIBRARY_USE_LIB64_PATHS OFF)
+    set(CMAKE_SYSTEM_LIBRARY_PATH /usr/lib32 ${CMAKE_SYSTEM_LIBRARY_PATH})
   else (WORD_SIZE EQUAL 32)
     set(DEB_ARCHITECTURE amd64)
+    set(FIND_LIBRARY_USE_LIB64_PATHS ON)
   endif (WORD_SIZE EQUAL 32)
 
-  execute_process(COMMAND dpkg-architecture -a${DEB_ARCHITECTURE} -qDEB_HOST_MULTIARCH RESULT_VARIABLE DPKG_RESULT OUTPUT_VARIABLE DPKG_ARCH OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
+  execute_process(COMMAND dpkg-architecture -a${DEB_ARCHITECTURE} -qDEB_HOST_MULTIARCH 
+      RESULT_VARIABLE DPKG_RESULT
+      OUTPUT_VARIABLE DPKG_ARCH
+      OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
   #message (STATUS "DPKG_RESULT ${DPKG_RESULT}, DPKG_ARCH ${DPKG_ARCH}")
   if (DPKG_RESULT EQUAL 0)
     set(CMAKE_LIBRARY_ARCHITECTURE ${DPKG_ARCH})
+    set(CMAKE_SYSTEM_LIBRARY_PATH /usr/lib/${DPKG_ARCH} /usr/local/lib/${DPKG_ARCH} ${CMAKE_SYSTEM_LIBRARY_PATH})
   endif (DPKG_RESULT EQUAL 0)
 
+  include(ConfigurePkgConfig)
+
   set(LL_ARCH ${ARCH}_linux)
   set(LL_ARCH_DIR ${ARCH}-linux)
+
+  if (INSTALL_PROPRIETARY)
+    # Only turn on headless if we can find osmesa libraries.
+    include(FindPkgConfig)
+    pkg_check_modules(OSMESA osmesa)
+    if (OSMESA_FOUND)
+      set(BUILD_HEADLESS ON CACHE BOOL "Build headless libraries.")
+    endif (OSMESA_FOUND)
+  endif (INSTALL_PROPRIETARY)
+
 endif (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
 
 if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")