From 425b6e31295fdf7ee7bb982ad509ba04018fa22e Mon Sep 17 00:00:00 2001
From: hoffmann <hoffmann@8c4709b5-6ec9-48aa-a5cd-a96041d1645a>
Date: Fri, 15 Feb 2013 12:34:16 +0000
Subject: [PATCH] cmake: CMake-style look for VGA lib.

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@2101 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
---
 cmake/FindVGA.cmake | 36 ++++++++++++++++++++++++++++++++++++
 cmake/bochs.cmake   |  8 +++++++-
 2 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 cmake/FindVGA.cmake

diff --git a/cmake/FindVGA.cmake b/cmake/FindVGA.cmake
new file mode 100644
index 00000000..b9697682
--- /dev/null
+++ b/cmake/FindVGA.cmake
@@ -0,0 +1,36 @@
+# Find vga-related library information for Linux
+
+# This module defines the following uncached variables:
+#  VGA_FOUND, if false, do not try to use VGA.
+#  VGA_INCLUDE_DIRS, where to find vga.h.
+#  VGA_LIBRARIES, the libraries to link against to use the vga library
+#  VGA_LIBRARY_DIRS, the directory where the vga library is found.
+
+if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+find_path(VGA_INCLUDE_DIR vga.h /usr/local/include /usr/include)
+
+if(VGA_INCLUDE_DIR)
+  find_library(VGA_LIBRARY
+  NAMES vga
+  PATHS /usr/local/lib /usr/lib
+  )
+  if(VGA_LIBRARY)
+    set(VGA_LIBRARY_DIR "")
+    get_filename_component(VGA_LIBRARY_DIRS ${VGA_LIBRARY} PATH)
+    # Set uncached variables as per standard.
+    set(VGA_FOUND ON)
+    set(VGA_INCLUDE_DIRS ${VGA_INCLUDE_DIR})
+    set(VGA_LIBRARIES ${VGA_LIBRARY})
+  endif(VGA_LIBRARY)
+endif(VGA_INCLUDE_DIR)
+
+if(VGA_FOUND)
+  if(NOT VGA_FIND_QUIETLY)
+    message(STATUS "FindVGA: Found both vga.h and the vga library")
+  endif(NOT VGA_FIND_QUIETLY)
+else(VGA_FOUND)
+  if(VGA_FIND_REQUIRED)
+    message(FATAL_ERROR "FindVGA: Could not find vga.h and/or the vga library")
+  endif(VGA_FIND_REQUIRED)
+endif(VGA_FOUND)
+endif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
diff --git a/cmake/bochs.cmake b/cmake/bochs.cmake
index a0778c84..529e645b 100644
--- a/cmake/bochs.cmake
+++ b/cmake/bochs.cmake
@@ -65,8 +65,14 @@ if(BUILD_BOCHS)
   unset(wxWidgets_USE_DEBUG CACHE)
   mark_as_advanced(wxWidgets_CONFIG_EXECUTABLE wxWidgets_wxrc_EXECUTABLE)
 
+  find_package(VGA)
+  if(VGA_FOUND)
+    set(bochs_library_dependencies ${bochs_library_dependencies} ${VGA_LIBRARIES})
+  endif()
+
   # FIXME: some libraries still need to be located the "cmake way"
-  set(bochs_library_dependencies ${bochs_library_dependencies} -lfontconfig -lrt -lvga -lvgagl -pthread)
+  set(bochs_library_dependencies ${bochs_library_dependencies} -lfontconfig -lrt -lvgagl -pthread)
+
 
   set(bochs_src_dir ${PROJECT_SOURCE_DIR}/simulators/bochs)