initial commit

3 files changed, 146 insertions, 0 deletions

diff --git a/cmake/FindGIO.cmake b/cmake/FindGIO.cmake
new file mode 100644
index 0000000..c32a3bf
--- /dev/null
+++ b/cmake/FindGIO.cmake
@@ -0,0 +1,27 @@
+# - Try to find GIO 2.0
+# Once done, this will define
+#
+#  GIO_FOUND - system has GIO
+#  GIO_INCLUDE_DIRS - the GIO include directories
+#  GIO_LIBRARIES - link these to use GIO
+
+include(LibFindMacros)
+
+# Dependencies
+libfind_package(GIO Glib)
+
+# Use pkg-config to get hints about paths
+libfind_pkg_check_modules(GIO_PKGCONF gio-2.0)
+
+# Find the library
+find_library(GIO_LIBRARY
+  NAMES gio-2.0
+  PATHS ${GIO_PKGCONF_LIBRARY_DIRS}
+)
+
+# Set the include dir variables and the libraries and let libfind_process do the rest.
+# NOTE: Singular variables for this library, plural for libraries this this lib depends on.
+set(GIO_PROCESS_INCLUDES Glib_INCLUDE_DIRS)
+set(GIO_PROCESS_LIBS GIO_LIBRARY Glib_LIBRARIES)
+libfind_process(GIO)
+
diff --git a/cmake/FindGlib.cmake b/cmake/FindGlib.cmake
new file mode 100644
index 0000000..cddc9f0
--- /dev/null
+++ b/cmake/FindGlib.cmake
@@ -0,0 +1,43 @@
+find_package(PkgConfig)
+pkg_check_modules(GLIB_PKG glib-2.0)
+
+if (GLIB_PKG_FOUND)
+    find_path(GLIB_INCLUDE_DIR  NAMES glib.h PATH_SUFFIXES glib-2.0
+       PATHS
+       ${GLIB_PKG_INCLUDE_DIRS}
+       /usr/include/glib-2.0
+       /usr/include
+       /usr/local/include
+    )
+    find_path(GLIB_CONFIG_INCLUDE_DIR NAMES glibconfig.h PATHS ${GLIB_PKG_LIBDIR} PATH_SUFFIXES glib-2.0/include)
+
+    find_library(GLIB_LIBRARIES NAMES glib-2.0
+       PATHS
+       ${GLIB_PKG_LIBRARY_DIRS}
+       /usr/lib
+       /usr/local/lib
+    )
+
+else (GLIB_PKG_FOUND)
+    # Find Glib even if pkg-config is not working (eg. cross compiling to Windows)
+    find_library(GLIB_LIBRARIES NAMES glib-2.0)
+    string (REGEX REPLACE "/[^/]*$" "" GLIB_LIBRARIES_DIR ${GLIB_LIBRARIES})
+
+    find_path(GLIB_INCLUDE_DIR NAMES glib.h PATH_SUFFIXES glib-2.0)
+    find_path(GLIB_CONFIG_INCLUDE_DIR NAMES glibconfig.h PATHS ${GLIB_LIBRARIES_DIR} PATH_SUFFIXES glib-2.0/include)
+
+endif (GLIB_PKG_FOUND)
+
+if (GLIB_INCLUDE_DIR AND GLIB_CONFIG_INCLUDE_DIR AND GLIB_LIBRARIES)
+    set(GLIB_INCLUDE_DIRS ${GLIB_INCLUDE_DIR} ${GLIB_CONFIG_INCLUDE_DIR})
+endif (GLIB_INCLUDE_DIR AND GLIB_CONFIG_INCLUDE_DIR AND GLIB_LIBRARIES)
+
+if(GLIB_INCLUDE_DIRS AND GLIB_LIBRARIES)
+   set(GLIB_FOUND TRUE CACHE INTERNAL "glib-2.0 found")
+   message(STATUS "Found glib-2.0: ${GLIB_INCLUDE_DIR}, ${GLIB_LIBRARIES}")
+else(GLIB_INCLUDE_DIRS AND GLIB_LIBRARIES)
+   set(GLIB_FOUND FALSE CACHE INTERNAL "glib-2.0 found")
+   message(STATUS "glib-2.0 not found.")
+endif(GLIB_INCLUDE_DIRS AND GLIB_LIBRARIES)
+
+mark_as_advanced(GLIB_INCLUDE_DIR GLIB_CONFIG_INCLUDE_DIR GLIB_INCLUDE_DIRS GLIB_LIBRARIES)
diff --git a/cmake/LibFindMacros.cmake b/cmake/LibFindMacros.cmake
new file mode 100644
index 0000000..83b68b5
--- /dev/null
+++ b/cmake/LibFindMacros.cmake
@@ -0,0 +1,76 @@
+# Works the same as find_package, but forwards the "REQUIRED" argument used for
+# the current package and always uses the "QUIET" flag. For this to work, the
+# first parameter must be the prefix of the current package, then the prefix of
+# the new package etc, which are passed to find_package.
+macro (libfind_package PREFIX)
+  set (LIBFIND_PACKAGE_ARGS ${ARGN} QUIET)
+  if (${PREFIX}_FIND_REQUIRED)
+    set (LIBFIND_PACKAGE_ARGS ${LIBFIND_PACKAGE_ARGS} REQUIRED)
+  endif (${PREFIX}_FIND_REQUIRED)
+  find_package(${LIBFIND_PACKAGE_ARGS})
+endmacro (libfind_package)
+
+# Damn CMake developers made the UsePkgConfig system deprecated in the same release (2.6)
+# where they added pkg_check_modules. Consequently I need to support both in my scripts
+# to avoid those deprecated warnings. Here's a helper that does just that.
+# Works identically to pkg_check_modules, except that no checks are needed prior to use.
+macro (libfind_pkg_check_modules PREFIX PKGNAME)
+  if (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
+    include(UsePkgConfig)
+    pkgconfig(${PKGNAME} ${PREFIX}_INCLUDE_DIRS ${PREFIX}_LIBRARY_DIRS ${PREFIX}_LDFLAGS ${PREFIX}_CFLAGS)
+  else (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
+    find_package(PkgConfig)
+    if (PKG_CONFIG_FOUND)
+      pkg_check_modules(${PREFIX} ${PKGNAME})
+    endif (PKG_CONFIG_FOUND)
+  endif (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
+endmacro (libfind_pkg_check_modules)
+
+# Do the final processing once the paths have been detected.
+# If include dirs are needed, ${PREFIX}_PROCESS_INCLUDES should be set to contain
+# all the variables, each of which contain one include directory.
+# Ditto for ${PREFIX}_PROCESS_LIBS and library files.
+# Will set ${PREFIX}_FOUND, ${PREFIX}_INCLUDE_DIRS and ${PREFIX}_LIBRARIES.
+# Also handles errors in case library detection was required, etc.
+macro (libfind_process PREFIX)
+  # Skip processing if already processed during this run
+  if (NOT ${PREFIX}_FOUND)
+    # Start with the assumption that the library was found
+    set (${PREFIX}_FOUND TRUE)
+
+    # Process all includes and set _FOUND to false if any are missing
+    foreach (i ${${PREFIX}_PROCESS_INCLUDES})
+      if (${i})
+        set (${PREFIX}_INCLUDE_DIRS ${${PREFIX}_INCLUDE_DIRS} ${${i}})
+        mark_as_advanced(${i})
+      else (${i})
+        set (${PREFIX}_FOUND FALSE)
+      endif (${i})
+    endforeach (i)
+
+    # Process all libraries and set _FOUND to false if any are missing
+    foreach (i ${${PREFIX}_PROCESS_LIBS})
+      if (${i})
+        set (${PREFIX}_LIBRARIES ${${PREFIX}_LIBRARIES} ${${i}})
+        mark_as_advanced(${i})
+      else (${i})
+        set (${PREFIX}_FOUND FALSE)
+      endif (${i})
+    endforeach (i)
+
+    # Print message and/or exit on fatal error
+    if (${PREFIX}_FOUND)
+      if (NOT ${PREFIX}_FIND_QUIETLY)
+        message (STATUS "Found ${PREFIX} ${${PREFIX}_VERSION}")
+      endif (NOT ${PREFIX}_FIND_QUIETLY)
+    else (${PREFIX}_FOUND)
+      if (${PREFIX}_FIND_REQUIRED)
+        foreach (i ${${PREFIX}_PROCESS_INCLUDES} ${${PREFIX}_PROCESS_LIBS})
+          message("${i}=${${i}}")
+        endforeach (i)
+        message (FATAL_ERROR "Required library ${PREFIX} NOT FOUND.\nInstall the library (dev version) and try again. If the library is already installed, use ccmake to set the missing variables manually.")
+      endif (${PREFIX}_FIND_REQUIRED)
+    endif (${PREFIX}_FOUND)
+  endif (NOT ${PREFIX}_FOUND)
+endmacro (libfind_process)
+