138 lines
3.6 KiB
Ruby
138 lines
3.6 KiB
Ruby
# frozen_string_literal: true
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#
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# extconf.rb
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#
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# $Id$
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#
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require 'mkmf'
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require 'rbconfig'
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dir_config 'zlib'
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libs = $libs
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if %w'z libz zlib1 zlib zdll zlibwapi'.find {|z| have_library(z, 'deflateReset')} and
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have_header('zlib.h') then
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have_zlib = true
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else
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$libs = libs
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unless File.directory?(zsrc = "#{$srcdir}/zlib")
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dirs = Dir.open($srcdir) {|z| z.grep(/\Azlib-\d+[.\d]*\z/) {|x|"#{$srcdir}/#{x}"}}
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dirs.delete_if {|x| !File.directory?(x)}
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zsrc = dirs.max_by {|x| x.scan(/\d+/).map(&:to_i)}
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end
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if zsrc
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addconf = [
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"ZSRC = $(srcdir)/#{File.basename(zsrc)}\n",
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"all:\n",
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]
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$INCFLAGS << " -I$(ZSRC)"
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if $mswin or $mingw
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dll = "zlib1.dll"
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$extso << dll
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$cleanfiles << "$(topdir)/#{dll}" << "$(ZIMPLIB)"
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zmk = "\t$(MAKE) -f $(ZMKFILE) TOP=$(ZSRC)"
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zopts = []
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if $nmake
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zmkfile = "$(ZSRC)/win32/Makefile.msc"
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m = "#{zsrc}/win32/Makefile.msc"
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# zopts << "USE_ASM=1"
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zopts << "ARCH=#{RbConfig::CONFIG['target_cpu']}"
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else
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zmkfile = "$(ZSRC)/win32/Makefile.gcc"
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m = "#{zsrc}/win32/Makefile.gcc"
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zmk += " PREFIX="
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zmk << CONFIG['CC'][/(.*-)gcc([^\/]*)\z/, 1]
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zmk << " CC=$(CC)" if $2
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end
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m = File.read(m)
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zimplib = m[/^IMPLIB[ \t]*=[ \t]*(\S+)/, 1]
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($LOCAL_LIBS << " ./" << zimplib).strip!
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unless $nmake or /^TOP[ \t]/ =~ m
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m.gsub!(/win32\/zlib\.def/, '$(TOP)/\&')
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m.gsub!(/^(\t.*[ \t])(\S+\.rc)/, '\1-I$(<D) $<')
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m = "TOP = .\n""VPATH=$(TOP)\n" + m
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zmkfile = File.basename(zmkfile)
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File.rename(zmkfile, zmkfile+".orig") if File.exist?(zmkfile)
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File.write(zmkfile, m)
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end
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addconf.push(
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"ZMKFILE = #{zmkfile}\n",
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"ZIMPLIB = #{zimplib}\n",
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"ZOPTS = #{zopts.join(' ')}\n",
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"$(TARGET_SO): $(ZIMPLIB)\n",
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"$(ZIMPLIB):\n",
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"#{zmk} $(ZOPTS) $@\n",
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"install-so static: $(topdir)/#{dll}",
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"$(topdir)/#{dll}: $(ZIMPLIB)\n",
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"\t$(Q) $(COPY) #{dll} $(@D)\n",
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"clean: clean-zsrc\n",
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"clean-zsrc:\n",
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"#{zmk} clean\n",
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)
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end
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Logging.message "using zlib in #{zsrc}\n"
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$defs << "-DHAVE_ZLIB_H"
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have_zlib = true
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end
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end
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if have_zlib
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defines = []
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Logging::message 'checking for kind of operating system... '
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os_code = with_config('os-code') ||
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case RUBY_PLATFORM.split('-',2)[1]
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when 'amigaos' then
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os_code = 'AMIGA'
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when /mswin|mingw|bccwin/ then
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# NOTE: cygwin should be regarded as Unix.
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os_code = 'WIN32'
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else
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os_code = 'UNIX'
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end
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os_code = 'OS_' + os_code.upcase
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OS_NAMES = {
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'OS_MSDOS' => 'MS-DOS',
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'OS_AMIGA' => 'Amiga',
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'OS_VMS' => 'VMS',
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'OS_UNIX' => 'Unix',
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'OS_ATARI' => 'Atari',
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'OS_MACOS' => 'MacOS',
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'OS_TOPS20' => 'TOPS20',
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'OS_WIN32' => 'Win32',
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'OS_VMCMS' => 'VM/CMS',
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'OS_ZSYSTEM' => 'Z-System',
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'OS_CPM' => 'CP/M',
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'OS_QDOS' => 'QDOS',
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'OS_RISCOS' => 'RISCOS',
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'OS_UNKNOWN' => 'Unknown',
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}
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unless OS_NAMES.key? os_code then
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raise "invalid OS_CODE `#{os_code}'"
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end
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Logging::message "#{OS_NAMES[os_code]}\n"
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defines << "OS_CODE=#{os_code}"
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$defs.concat(defines.collect{|d|' -D'+d})
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if zsrc
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$defs << "-DHAVE_CRC32_COMBINE"
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$defs << "-DHAVE_ADLER32_COMBINE"
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$defs << "-DHAVE_TYPE_Z_CRC_T"
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else
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have_func('crc32_combine', 'zlib.h')
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have_func('adler32_combine', 'zlib.h')
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have_type('z_crc_t', 'zlib.h')
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end
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create_makefile('zlib') {|conf|
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if zsrc
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conf.concat addconf if addconf
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end
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conf
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}
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end
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