Import cmake scripts for gstreamer from qt-gstreamer

1 files changed, 85 insertions, 0 deletions

diff --git a/cmake/modules/FindGLIB2.cmake b/cmake/modules/FindGLIB2.cmake
new file mode 100644
index 00000000..5082212e
--- /dev/null
+++ b/cmake/modules/FindGLIB2.cmake
@@ -0,0 +1,85 @@
+# - Try to find the GLIB2 libraries
+# Once done this will define
+#
+#  GLIB2_FOUND - system has glib2
+#  GLIB2_INCLUDE_DIR - the glib2 include directory
+#  GLIB2_LIBRARIES - glib2 library
+
+# Copyright (c) 2008 Laurent Montel, <montel@kde.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. The name of the author may not be used to endorse or promote products
+#    derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+if(GLIB2_INCLUDE_DIR AND GLIB2_LIBRARIES)
+    # Already in cache, be silent
+    set(GLIB2_FIND_QUIETLY TRUE)
+endif(GLIB2_INCLUDE_DIR AND GLIB2_LIBRARIES)
+
+if (NOT WIN32)
+  find_package(PkgConfig QUIET)
+  if(PKG_CONFIG_FOUND)
+    pkg_check_modules(PKG_GLIB QUIET glib-2.0)
+  endif()
+endif(NOT WIN32)
+
+find_path(GLIB2_MAIN_INCLUDE_DIR glib.h
+          PATH_SUFFIXES glib-2.0
+          HINTS ${PKG_GLIB_INCLUDE_DIRS} ${PKG_GLIB_INCLUDEDIR})
+
+# search the glibconfig.h include dir under the same root where the library is found
+find_library(GLIB2_LIBRARIES
+             NAMES glib-2.0
+             HINTS ${PKG_GLIB_LIBRARY_DIRS} ${PKG_GLIB_LIBDIR})
+
+find_path(GLIB2_INTERNAL_INCLUDE_DIR glibconfig.h
+          PATH_SUFFIXES glib-2.0/include ../lib/glib-2.0/include
+          HINTS ${PKG_GLIB_INCLUDE_DIRS} ${PKG_GLIB_LIBRARIES} ${CMAKE_SYSTEM_LIBRARY_PATH})
+
+set(GLIB2_INCLUDE_DIR ${GLIB2_MAIN_INCLUDE_DIR})
+
+# not sure if this include dir is optional or required
+# for now it is optional
+if(GLIB2_INTERNAL_INCLUDE_DIR)
+  set(GLIB2_INCLUDE_DIR ${GLIB2_INCLUDE_DIR} ${GLIB2_INTERNAL_INCLUDE_DIR})
+endif(GLIB2_INTERNAL_INCLUDE_DIR)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(GLIB2  DEFAULT_MSG  GLIB2_LIBRARIES GLIB2_MAIN_INCLUDE_DIR)
+
+mark_as_advanced(GLIB2_INCLUDE_DIR GLIB2_LIBRARIES)
+
+
+find_program(GLIB2_GENMARSHAL_UTIL glib-genmarshal)
+
+macro(glib2_genmarshal output_name)
+    file(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/genmarshal_tmp)
+    foreach(_declaration ${ARGN})
+        file(APPEND ${CMAKE_CURRENT_BINARY_DIR}/genmarshal_tmp "${_declaration}\n")
+    endforeach()
+    add_custom_command(
+        OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${output_name}.h ${CMAKE_CURRENT_BINARY_DIR}/${output_name}.c
+        COMMAND ${GLIB2_GENMARSHAL_UTIL} --header genmarshal_tmp > ${output_name}.h
+        COMMAND ${GLIB2_GENMARSHAL_UTIL} --body genmarshal_tmp > ${output_name}.c
+        WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+    )
+endmacro()