CMake refactoring

1 files changed, 88 insertions, 0 deletions

diff --git a/cmake/FindGDK3.cmake b/cmake/FindGDK3.cmake
new file mode 100644
index 000000000..ee6b6c634
--- /dev/null
+++ b/cmake/FindGDK3.cmake
@@ -0,0 +1,88 @@
+# FindGDK3.cmake
+# <https://github.com/nemequ/gnome-cmake>
+#
+# CMake support for GDK 3.
+#
+# License:
+#
+#   Copyright (c) 2016 Evan Nemerson <evan@nemerson.com>
+#
+#   Permission is hereby granted, free of charge, to any person
+#   obtaining a copy of this software and associated documentation
+#   files (the "Software"), to deal in the Software without
+#   restriction, including without limitation the rights to use, copy,
+#   modify, merge, publish, distribute, sublicense, and/or sell copies
+#   of the Software, and to permit persons to whom the Software is
+#   furnished to do so, subject to the following conditions:
+#
+#   The above copyright notice and this permission notice shall be
+#   included in all copies or substantial portions of the Software.
+#
+#   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+#   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+#   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+#   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+#   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+#   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+#   DEALINGS IN THE SOFTWARE.
+
+find_package(PkgConfig)
+
+set(GDK3_DEPS
+  Pango)
+
+if(PKG_CONFIG_FOUND)
+  pkg_search_module(GDK3_PKG gdk-3.0)
+endif()
+
+find_library(GDK3_LIBRARY gdk-3 HINTS ${GDK3_PKG_LIBRARY_DIRS})
+set(GDK3 "gdk-3")
+
+if(GDK3_LIBRARY)
+  add_library(${GDK3} SHARED IMPORTED)
+  set_property(TARGET ${GDK3} PROPERTY IMPORTED_LOCATION "${GDK3_LIBRARY}")
+  set_property(TARGET ${GDK3} PROPERTY INTERFACE_COMPILE_OPTIONS "${GDK3_PKG_CFLAGS_OTHER}")
+
+  set(GDK3_INCLUDE_DIRS)
+
+  find_path(GDK3_INCLUDE_DIR "gdk/gdk.h"
+    HINTS ${GDK3_PKG_INCLUDE_DIRS})
+
+  if(GDK3_INCLUDE_DIR)
+    file(STRINGS "${GDK3_INCLUDE_DIR}/gdk/gdkversionmacros.h" GDK3_MAJOR_VERSION REGEX "^#define GDK_MAJOR_VERSION +\\(?([0-9]+)\\)?$")
+    string(REGEX REPLACE "^#define GDK_MAJOR_VERSION \\(?([0-9]+)\\)?$" "\\1" GDK3_MAJOR_VERSION "${GDK3_MAJOR_VERSION}")
+    file(STRINGS "${GDK3_INCLUDE_DIR}/gdk/gdkversionmacros.h" GDK3_MINOR_VERSION REGEX "^#define GDK_MINOR_VERSION +\\(?([0-9]+)\\)?$")
+    string(REGEX REPLACE "^#define GDK_MINOR_VERSION \\(?([0-9]+)\\)?$" "\\1" GDK3_MINOR_VERSION "${GDK3_MINOR_VERSION}")
+    file(STRINGS "${GDK3_INCLUDE_DIR}/gdk/gdkversionmacros.h" GDK3_MICRO_VERSION REGEX "^#define GDK_MICRO_VERSION +\\(?([0-9]+)\\)?$")
+    string(REGEX REPLACE "^#define GDK_MICRO_VERSION \\(?([0-9]+)\\)?$" "\\1" GDK3_MICRO_VERSION "${GDK3_MICRO_VERSION}")
+    set(GDK3_VERSION "${GDK3_MAJOR_VERSION}.${GDK3_MINOR_VERSION}.${GDK3_MICRO_VERSION}")
+    unset(GDK3_MAJOR_VERSION)
+    unset(GDK3_MINOR_VERSION)
+    unset(GDK3_MICRO_VERSION)
+
+    list(APPEND GDK3_INCLUDE_DIRS ${GDK3_INCLUDE_DIR})
+    set_property(TARGET ${GDK3} PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${GDK3_INCLUDE_DIR}")
+  endif()
+endif()
+
+set(GDK3_DEPS_FOUND_VARS)
+foreach(gdk3_dep ${GDK3_DEPS})
+  find_package(${gdk3_dep})
+
+  list(APPEND GDK3_DEPS_FOUND_VARS "${gdk3_dep}_FOUND")
+  list(APPEND GDK3_INCLUDE_DIRS ${${gdk3_dep}_INCLUDE_DIRS})
+
+  set_property (TARGET ${GDK3} APPEND PROPERTY INTERFACE_LINK_LIBRARIES "${${gdk3_dep}}")
+endforeach(gdk3_dep)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(GDK3
+    REQUIRED_VARS
+      GDK3_LIBRARY
+      GDK3_INCLUDE_DIRS
+      ${GDK3_DEPS_FOUND_VARS}
+    VERSION_VAR
+      GDK3_VERSION)
+
+unset(GDK3_DEPS_FOUND_VARS)