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#!/usr/bin/env ruby
# simple script to generate simple cmake modules for finding libraries (packages)
# Alexander Neundorf <neundorf@kde.org>, 2006
# usage: generate_findpackage_file
# then you will be prompted to enter the required parameters
print("Name of package: ")
package=gets.chomp
print("pkgconfig package name [e.g. \"libxml-2.0\", leave empty to skip pkgconfig]: ")
pkgconfig=gets.chomp
print("Look for header (e.g. \"jpeglib.h\" or \"libxml/xpath.h\"): ")
header=gets.chomp
print("Include subdir (e.g. \"libxml2\", empty to skip ): ")
incSubDir=gets.chomp
if not incSubDir.empty?
incSubDir="/"+incSubDir
end
print("Look for library (e.g. \"jpeg\" or \"xml2\"): ")
lib=gets.chomp
cmakeIncDirName=package.upcase+"_INCLUDE_DIR"
cmakeLibName=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("# #{cmakeIncDirName} - the #{package} include directory\n")
file.printf("# #{cmakeLibName} - Link these to use OpenGL and GLU\n")
file.printf("# #{cmakeDefsName} - Compiler switches required for using #{package}\n")
file.printf("#\n\n\n")
if not pkgconfig.empty?
file.printf("# use pkg-config to get the directories and then use these values\n")
file.printf("# in the FIND_PATH() and FIND_LIBRARY() calls\n")
file.printf("INCLUDE(UsePkgConfig)\n\n")
file.printf("PKGCONFIG(#{pkgconfig} _#{package}IncDir _#{package}LinkDir _#{package}LinkFlags _#{package}Cflags)\n\n")
file.printf("SET(#{cmakeDefsName} ${_#{package}Cflags})\n\n")
end
file.printf("FIND_PATH(#{cmakeIncDirName} #{header}\n")
if not pkgconfig.empty?
file.printf(" ${_#{package}IncDir}#{incSubDir}\n")
end
file.printf(" /usr/include#{incSubDir}\n")
file.printf(" /usr/local/include#{incSubDir}\n")
file.printf(")\n\n")
file.printf("FIND_LIBRARY(#{cmakeLibName} NAMES #{lib}\n")
file.printf(" PATHS\n")
if not pkgconfig.empty?
file.printf(" ${_#{package}LinkDir}\n")
end
file.printf(" /usr/lib\n")
file.printf(" /usr/local/lib\n")
file.printf(")\n\n")
file.printf("IF(#{cmakeIncDirName} AND #{cmakeLibName})\n")
file.printf(" SET(#{cmakeFoundName} TRUE)\n")
file.printf("ENDIF(#{cmakeIncDirName} AND #{cmakeLibName})\n\n")
file.printf("IF(#{cmakeFoundName})\n")
file.printf(" IF(NOT #{cmakeQuietName})\n")
file.printf(" MESSAGE(STATUS \"Found #{package}: ${#{cmakeLibName}}\")\n")
file.printf(" ENDIF(NOT #{cmakeQuietName})\n")
file.printf("ELSE(#{cmakeFoundName})\n")
file.printf(" IF(#{cmakeRequiredName})\n")
file.printf(" MESSAGE(FATAL_ERROR \"Could not find #{package}\")\n")
file.printf(" ENDIF(#{cmakeRequiredName})\n")
file.printf("ENDIF(#{cmakeFoundName})\n\n")
file.printf("# show the #{cmakeIncDirName} and #{cmakeLibName} variables only in the advanced view\n")
file.printf("MARK_AS_ADVANCED(#{cmakeIncDirName} #{cmakeLibName} )\n\n")
printf("Done, generated Find#{package}.cmake\n")
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