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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_INCLUDE_DIR - the Cups include directory
# 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
# features this function (i.e. at least 1.1.19)
#=============================================================================
# Copyright 2006-2009 Kitware, Inc.
# 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");
# see accompanying file Copyright.txt for details.
@ -21,36 +23,47 @@
# (To distribute this file outside of CMake, substitute the full
# 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)
SET(CUPS_FOUND TRUE)
# ippDeleteAttribute is new in cups-1.1.19 (and used by kdeprint)
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)
CHECK_LIBRARY_EXISTS(cups ippDeleteAttribute "" CUPS_HAS_IPP_DELETE_ATTRIBUTE)
IF (CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE AND NOT CUPS_HAS_IPP_DELETE_ATTRIBUTE)
SET(CUPS_FOUND FALSE)
ENDIF (CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE AND NOT CUPS_HAS_IPP_DELETE_ATTRIBUTE)
if (CUPS_INCLUDE_DIR AND EXISTS "${CUPS_INCLUDE_DIR}/cups/cups.h")
file(STRINGS "${CUPS_INCLUDE_DIR}/cups/cups.h" cups_version_str
REGEX "^#[\t ]*define[\t ]+CUPS_VERSION_(MAJOR|MINOR|PATCH)[\t ]+[0-9]+$")
ELSE (CUPS_INCLUDE_DIR AND CUPS_LIBRARIES)
SET(CUPS_FOUND FALSE)
ENDIF (CUPS_INCLUDE_DIR AND CUPS_LIBRARIES)
unset(CUPS_VERSION_STRING)
foreach(VPART MAJOR MINOR PATCH)
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)
IF (NOT Cups_FIND_QUIETLY)
MESSAGE(STATUS "Found Cups: ${CUPS_LIBRARIES}")
ENDIF (NOT Cups_FIND_QUIETLY)
ELSE (CUPS_FOUND)
SET(CUPS_LIBRARIES )
IF (Cups_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could NOT find Cups")
ENDIF (Cups_FIND_REQUIRED)
ENDIF (CUPS_FOUND)
MARK_AS_ADVANCED(CUPS_INCLUDE_DIR CUPS_LIBRARIES)
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
if (CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Cups
REQUIRED_VARS CUPS_LIBRARIES CUPS_INCLUDE_DIR CUPS_HAS_IPP_DELETE_ATTRIBUTE
VERSION_VAR CUPS_VERSION_STRING)
else (CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Cups
REQUIRED_VARS CUPS_LIBRARIES CUPS_INCLUDE_DIR
VERSION_VAR CUPS_VERSION_STRING)
endif (CUPS_REQUIRE_IPP_DELETE_ATTRIBUTE)
mark_as_advanced(CUPS_INCLUDE_DIR CUPS_LIBRARIES)