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#!/usr/bin/env ruby
# Simple script to generate simple cmake modules for finding
# libraries (packages)
#
# usage: generate_findpackage_file
# then you will be prompted to enter the required parameters
#
#####################################################################
#
# SPDX-FileCopyrightText: 2006 Alexander Neundorf <neundorf@kde.org>
# SPDX-FileCopyrightText: 2006 Andreas Schneider <asn@cryptomilk.org>
# SPDX-License-Identifier: GPL-2.0-or-later
#
require 'readline'
package=Readline.readline("Name of package: ")
name=Readline.readline("\nYour Name (for copyright): ")
email=Readline.readline("\nYour mail (for copyright): ")
pkgconfig=Readline.readline("\npkgconfig package name (e.g. \"libxml-2.0\", leave empty to skip pkgconfig): ")
header=Readline.readline("\nLook for header (e.g. \"jpeglib.h\" or \"libxml/xpath.h\"): ")
incSubDir=Readline.readline("\nLook for header subdir (e.g. \"libxml2\", empty to skip ): ")
libs=Readline.readline("\nLook for library (e.g. \"xml2\" or \"avcodec avutil\"): ")
t = Time.now
cmakeIncDirName=package.upcase+"_INCLUDE_DIR"
cmakeIncDirNames=package.upcase+"_INCLUDE_DIRS"
cmakeLibNames=package.upcase+"_LIBRARIES"
cmakeDefsName=package.upcase+"_DEFINITIONS"
cmakeFoundName=package.upcase+"_FOUND"
cmakeQuietName=package+"_FIND_QUIETLY"
cmakeRequiredName=package+"_FIND_REQUIRED"
file=File.new("Find#{package}.cmake", "w+")
file.printf("# - Try to find #{package}\n")
file.printf("# Once done this will define\n")
file.printf("#\n")
file.printf("# #{cmakeFoundName} - system has #{package}\n")
file.printf("# #{cmakeIncDirNames} - the #{package} include directory\n")
file.printf("# #{cmakeLibNames} - Link these to use #{package}\n")
file.printf("# #{cmakeDefsName} - Compiler switches required for using #{package}\n")
file.printf("#\n")
file.printf("# Copyright (c) #{t.year} #{name} <#{email}>\n")
file.printf("#\n")
file.printf("# Redistribution and use is allowed according to the terms of the New\n")
file.printf("# BSD license.\n")
file.printf("# For details see the accompanying COPYING-CMAKE-SCRIPTS file.\n")
file.printf("#\n")
file.printf("\n")
file.printf("\n")
file.printf("if (#{cmakeLibNames} AND #{cmakeIncDirNames})\n")
file.printf(" # in cache already\n")
file.printf(" set(#{cmakeFoundName} TRUE)\n")
file.printf("else (#{cmakeLibNames} AND #{cmakeIncDirNames})\n")
if not pkgconfig.empty?
file.printf(" find_package(PkgConfig)\n")
file.printf(" if (PKG_CONFIG_FOUND)\n")
file.printf(" pkg_check_modules(_#{package.upcase} #{pkgconfig})\n")
file.printf(" endif (PKG_CONFIG_FOUND)\n")
end
file.printf("\n")
file.printf(" find_path(#{cmakeIncDirName}\n")
file.printf(" NAMES\n")
file.printf(" #{header}\n")
file.printf(" PATHS\n")
if not pkgconfig.empty?
file.printf(" ${_#{package.upcase}_INCLUDEDIR}\n")
end
file.printf(" /usr/include\n")
file.printf(" /usr/local/include\n")
file.printf(" /opt/local/include\n")
file.printf(" /sw/include\n")
if not incSubDir.empty?
file.printf(" PATH_SUFFIXES\n")
file.printf(" #{incSubDir}\n")
end
file.printf(" )\n")
file.printf("\n")
libs.split(" ").each do |lib|
file.printf(" find_library(#{lib.upcase}_LIBRARY\n")
file.printf(" NAMES\n")
file.printf(" #{lib}\n")
file.printf(" PATHS\n")
if not pkgconfig.empty?
file.printf(" ${_#{package.upcase}_LIBDIR}\n")
end
file.printf(" /usr/lib\n")
file.printf(" /usr/local/lib\n")
file.printf(" /opt/local/lib\n")
file.printf(" /sw/lib\n")
file.printf(" )\n")
file.printf("\n")
end
file.printf(" set(#{cmakeIncDirNames}\n")
file.printf(" ${#{cmakeIncDirName}}\n")
file.printf(" )\n")
file.printf("\n")
libs.split(" ").each do |lib|
file.printf(" if (#{lib.upcase}_LIBRARY)\n")
file.printf(" set(#{cmakeLibNames}\n")
file.printf(" ${#{cmakeLibNames}}\n")
file.printf(" ${#{lib.upcase}_LIBRARY}\n")
file.printf(" )\n")
file.printf(" endif (#{lib.upcase}_LIBRARY)\n")
file.printf("\n")
end
file.printf(" include(FindPackageHandleStandardArgs)\n")
file.printf(" find_package_handle_standard_args(#{package} DEFAULT_MSG #{cmakeLibNames} #{cmakeIncDirNames})\n")
file.printf("\n")
file.printf(" # show the #{cmakeIncDirNames} and #{cmakeLibNames} variables only in the advanced view\n")
file.printf(" mark_as_advanced(#{cmakeIncDirNames} #{cmakeLibNames})\n\n")
file.printf("endif (#{cmakeLibNames} AND #{cmakeIncDirNames})\n\n")
printf("Done, generated Find#{package}.cmake\n")
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