diff --git a/cmake/FindGlib.cmake b/cmake/FindGlib.cmake new file mode 100644 index 000000000..86427868f --- /dev/null +++ b/cmake/FindGlib.cmake @@ -0,0 +1,43 @@ +# - Try to find Glib-2.0 (with gobject) +# Once done, this will define +# +# Glib_FOUND - system has Glib +# Glib_INCLUDE_DIRS - the Glib include directories +# Glib_LIBRARIES - link these to use Glib +# +# GLIB_ROOT_DIR - Primary search directory +include(LibFindMacros) + +# Use pkg-config to get hints about paths +libfind_pkg_check_modules(Glib_PKGCONF glib-2.0) + +# Main include dir +find_path(Glib_INCLUDE_DIR + NAMES glib.h + PATHS $ {Glib_PKGCONF_INCLUDE_DIRS} $ {GLIB_ROOT_DIR} + PATH_SUFFIXES glib-2.0 + ) + +# Finally the library itself +find_library(Glib_LIBRARY + NAMES glib-2.0 gstreamer_android + PATHS $ {Glib_PKGCONF_LIBRARY_DIRS} $ {GLIB_ROOT_DIR} + ) +find_library(Gobject_LIBRARY + NAMES gobject-2.0 gstreamer_android + PATHS $ {Glib_PKGCONF_LIBRARY_DIRS} $ {GLIB_ROOT_DIR} + ) + +# Glib-related libraries also use a separate config header, which is in lib dir +find_path(GlibConfig_INCLUDE_DIR + NAMES glibconfig.h + PATHS $ {Glib_PKGCONF_INCLUDE_DIRS} /usr $ {GLIB_ROOT_DIR} + PATH_SUFFIXES lib/glib-2.0/include glib-2.0/include + ) + +# 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(Glib_PROCESS_INCLUDES Glib_INCLUDE_DIR GlibConfig_INCLUDE_DIR) +set(Glib_PROCESS_LIBS Glib_LIBRARY Gobject_LIBRARY) +libfind_process(Glib) + diff --git a/cmake/LibFindMacros.cmake b/cmake/LibFindMacros.cmake new file mode 100644 index 000000000..0e47404c5 --- /dev/null +++ b/cmake/LibFindMacros.cmake @@ -0,0 +1,116 @@ +# Works the same as find_package, but forwards the "REQUIRED" and "QUIET" arguments +# used for the current package. 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}) + if($ {PREFIX} _FIND_QUIETLY) + set(LIBFIND_PACKAGE_ARGS $ {LIBFIND_PACKAGE_ARGS} QUIET) + endif($ {PREFIX} _FIND_QUIETLY) + if($ {PREFIX} _FIND_REQUIRED) + set(LIBFIND_PACKAGE_ARGS $ {LIBFIND_PACKAGE_ARGS} REQUIRED) + endif($ {PREFIX} _FIND_REQUIRED) + find_package($ {LIBFIND_PACKAGE_ARGS}) +endmacro(libfind_package) + +# 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 ${PREFIX}_FOUND) +endmacro (libfind_process) + +macro(libfind_library PREFIX basename) + set(TMP "") + if(MSVC80) + set(TMP -vc80) + endif(MSVC80) + if(MSVC90) + set(TMP -vc90) + endif(MSVC90) + set(${PREFIX}_LIBNAMES ${basename}${TMP}) + if(${ARGC} GREATER 2) + set(${PREFIX}_LIBNAMES ${basename}${TMP}-${ARGV2}) + string(REGEX REPLACE "\\." "_" TMP ${${PREFIX}_LIBNAMES}) + set(${PREFIX}_LIBNAMES ${${PREFIX}_LIBNAMES} ${TMP}) + endif(${ARGC} GREATER 2) + find_library(${PREFIX}_LIBRARY + NAMES ${${PREFIX}_LIBNAMES} + PATHS ${${PREFIX}_PKGCONF_LIBRARY_DIRS}) +endmacro(libfind_library) + +SET(THREE_PART_VERSION_REGEX "[0-9]+\\.[0-9]+\\.[0-9]+") +# Breaks up a string in the form n1.n2.n3 into three parts and stores +# them in major, minor, and patch. version should be a value, not a +# variable, while major, minor and patch should be variables. +MACRO(THREE_PART_VERSION_TO_VARS version major minor patch) + IF(${version} MATCHES ${THREE_PART_VERSION_REGEX}) + STRING(REPLACE "." " " version_list ${version}) + SEPARATE_ARGUMENTS(version_list) + LIST(GET version_list 0 ${major}) + LIST(GET version_list 1 ${minor}) + LIST(GET version_list 2 ${patch}) + ELSE(${version} MATCHES ${THREE_PART_VERSION_REGEX}) + MESSAGE("MACRO(THREE_PART_VERSION_TO_VARS ${version} ${major} ${minor} ${patch}") + MESSAGE(FATAL_ERROR "Problem parsing version string, I can't parse it properly.") + ENDIF(${version} MATCHES ${THREE_PART_VERSION_REGEX}) +ENDMACRO(THREE_PART_VERSION_TO_VARS) + +