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FindCups: major overhaul 

This introduces CUPS_VERSION_STRING and ports the module over to use FPHSA for
all the benefits that come with it.
This commit is contained in:
Rolf Eike Beer 2012-01-23 20:31:38 +01:00
parent 86c9604f98
commit be2b108776
1 changed files with 39 additions and 26 deletions
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65
Modules/FindCups.cmake
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@ -4,12 +4,14 @@
# CUPS_FOUND - system has Cups # CUPS_FOUND - system has Cups
# CUPS_INCLUDE_DIR - the Cups include directory # CUPS_INCLUDE_DIR - the Cups include directory
# CUPS_LIBRARIES - Libraries needed to use Cups # CUPS_LIBRARIES - Libraries needed to use Cups
# CUPS_VERSION_STRING - version of Cups found (since CMake 2.8.8)
# Set CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE to TRUE if you need a version which # Set CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE to TRUE if you need a version which
# features this function (i.e. at least 1.1.19) # features this function (i.e. at least 1.1.19)
#============================================================================= #=============================================================================
# Copyright 2006-2009 Kitware, Inc. # Copyright 2006-2009 Kitware, Inc.
# Copyright 2006 Alexander Neundorf <neundorf@kde.org> # Copyright 2006 Alexander Neundorf <neundorf@kde.org>
# Copyright 2012 Rolf Eike Beer <eike@sf-mail.de>
# #
# Distributed under the OSI-approved BSD License (the "License"); # Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details. # see accompanying file Copyright.txt for details.
@ -21,36 +23,47 @@
# (To distribute this file outside of CMake, substitute the full # (To distribute this file outside of CMake, substitute the full
# License text for the above reference.) # License text for the above reference.)
INCLUDE(CheckLibraryExists) find_path(CUPS_INCLUDE_DIR cups/cups.h )
FIND_PATH(CUPS_INCLUDE_DIR cups/cups.h ) find_library(CUPS_LIBRARIES NAMES cups )
FIND_LIBRARY(CUPS_LIBRARIES NAMES cups ) if (CUPS_INCLUDE_DIR AND CUPS_LIBRARIES AND CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE)
include(CheckLibraryExists)
IF (CUPS_INCLUDE_DIR AND CUPS_LIBRARIES) # ippDeleteAttribute is new in cups-1.1.19 (and used by kdeprint)
SET(CUPS_FOUND TRUE) CHECK_LIBRARY_EXISTS(cups ippDeleteAttribute "" CUPS_HAS_IPP_DELETE_ATTRIBUTE)
endif (CUPS_INCLUDE_DIR AND CUPS_LIBRARIES AND CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE)
# ippDeleteAttribute is new in cups-1.1.19 (and used by kdeprint) if (CUPS_INCLUDE_DIR AND EXISTS "${CUPS_INCLUDE_DIR}/cups/cups.h")
CHECK_LIBRARY_EXISTS(cups ippDeleteAttribute "" CUPS_HAS_IPP_DELETE_ATTRIBUTE) file(STRINGS "${CUPS_INCLUDE_DIR}/cups/cups.h" cups_version_str
IF (CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE AND NOT CUPS_HAS_IPP_DELETE_ATTRIBUTE) REGEX "^#[\t ]*define[\t ]+CUPS_VERSION_(MAJOR|MINOR|PATCH)[\t ]+[0-9]+$")
SET(CUPS_FOUND FALSE)
ENDIF (CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE AND NOT CUPS_HAS_IPP_DELETE_ATTRIBUTE)
ELSE (CUPS_INCLUDE_DIR AND CUPS_LIBRARIES) unset(CUPS_VERSION_STRING)
SET(CUPS_FOUND FALSE) foreach(VPART MAJOR MINOR PATCH)
ENDIF (CUPS_INCLUDE_DIR AND CUPS_LIBRARIES) foreach(VLINE ${cups_version_str})
if(VLINE MATCHES "^#[\t ]*define[\t ]+CUPS_VERSION_${VPART}")
string(REGEX REPLACE "^#[\t ]*define[\t ]+CUPS_VERSION_${VPART}[\t ]+([0-9]+)$" "\\1"
CUPS_VERSION_PART "${VLINE}")
if(CUPS_VERSION_STRING)
set(CUPS_VERSION_STRING "${CUPS_VERSION_STRING}.${CUPS_VERSION_PART}")
else(CUPS_VERSION_STRING)
set(CUPS_VERSION_STRING "${CUPS_VERSION_PART}")
endif(CUPS_VERSION_STRING)
endif()
endforeach(VLINE)
endforeach(VPART)
endif (CUPS_INCLUDE_DIR AND EXISTS "${CUPS_INCLUDE_DIR}/cups/cups.h")
IF (CUPS_FOUND) include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
IF (NOT Cups_FIND_QUIETLY)
MESSAGE(STATUS "Found Cups: ${CUPS_LIBRARIES}") if (CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE)
ENDIF (NOT Cups_FIND_QUIETLY) FIND_PACKAGE_HANDLE_STANDARD_ARGS(Cups
ELSE (CUPS_FOUND) REQUIRED_VARS CUPS_LIBRARIES CUPS_INCLUDE_DIR CUPS_HAS_IPP_DELETE_ATTRIBUTE
SET(CUPS_LIBRARIES ) VERSION_VAR CUPS_VERSION_STRING)
IF (Cups_FIND_REQUIRED) else (CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE)
MESSAGE(FATAL_ERROR "Could NOT find Cups") FIND_PACKAGE_HANDLE_STANDARD_ARGS(Cups
ENDIF (Cups_FIND_REQUIRED) REQUIRED_VARS CUPS_LIBRARIES CUPS_INCLUDE_DIR
ENDIF (CUPS_FOUND) VERSION_VAR CUPS_VERSION_STRING)
endif (CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE)
MARK_AS_ADVANCED(CUPS_INCLUDE_DIR CUPS_LIBRARIES)
mark_as_advanced(CUPS_INCLUDE_DIR CUPS_LIBRARIES)