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|
# frozen_string_literal: true
#
# extconf.rb
#
# $Id$
#
require 'mkmf'
require 'rbconfig'
dir_config 'zlib'
libs = $libs
have_zlib = %w'z libz zlib1 zlib zdll zlibwapi'.any? {|z| have_library(z, 'deflateReset(NULL)', 'zlib.h')}
unless have_zlib
$libs = libs
unless File.directory?(zsrc = "#{$srcdir}/zlib")
dirs = Dir.open($srcdir) {|z| z.grep(/\Azlib-\d+[.\d]*\z/) {|x|"#{$srcdir}/#{x}"}}
dirs.delete_if {|x| !File.directory?(x)}
zsrc = dirs.max_by {|x| x.scan(/\d+/).map(&:to_i)}
end
if zsrc
addconf = [
"ZSRC = $(srcdir)/#{File.basename(zsrc)}\n",
"all:\n",
]
$INCFLAGS << " -I$(ZSRC)"
if $mswin or $mingw
dll = "zlib1.dll"
$extso << dll
$cleanfiles << "$(topdir)/#{dll}" << "$(ZIMPLIB)"
zmk = "\t$(MAKE) -f $(ZMKFILE) TOP=$(ZSRC)"
zopts = []
if $nmake
zmkfile = "$(ZSRC)/win32/Makefile.msc"
m = "#{zsrc}/win32/Makefile.msc"
# zopts << "USE_ASM=1"
zopts << "ARCH=#{RbConfig::CONFIG['target_cpu']}"
else
zmkfile = "$(ZSRC)/win32/Makefile.gcc"
m = "#{zsrc}/win32/Makefile.gcc"
zmk += " PREFIX="
zmk << CONFIG['CC'][/(.*-)gcc([^\/]*)\z/, 1]
zmk << " CC=$(CC)" if $2
end
m = File.read(m)
zimplib = m[/^IMPLIB[ \t]*=[ \t]*(\S+)/, 1]
($LOCAL_LIBS << " ./" << zimplib).strip!
unless $nmake or /^TOP[ \t]/ =~ m
m.gsub!(/win32\/zlib\.def/, '$(TOP)/\&')
m.gsub!(/^(\t.*[ \t])(\S+\.rc)/, '\1-I$(<D) $<')
m = "TOP = .\n""VPATH=$(TOP)\n" + m
zmkfile = File.basename(zmkfile)
File.rename(zmkfile, zmkfile+".orig") if File.exist?(zmkfile)
File.write(zmkfile, m)
end
addconf.push(
"ZMKFILE = #{zmkfile}\n",
"ZIMPLIB = #{zimplib}\n",
"ZOPTS = #{zopts.join(' ')}\n",
"$(TARGET_SO): $(ZIMPLIB)\n",
"$(ZIMPLIB):\n",
"#{zmk} $(ZOPTS) $@\n",
"install-so static: $(topdir)/#{dll}",
"$(topdir)/#{dll}: $(ZIMPLIB)\n",
"\t$(Q) $(COPY) #{dll} $(@D)\n",
"clean: clean-zsrc\n",
"clean-zsrc:\n",
"#{zmk} clean\n",
)
end
Logging.message "using zlib in #{zsrc}\n"
$defs << "-DHAVE_ZLIB_H"
have_zlib = true
end
end
if have_zlib
defines = []
Logging::message 'checking for kind of operating system... '
os_code = with_config('os-code') ||
case RUBY_PLATFORM.split('-',2)[1]
when 'amigaos' then
os_code = 'AMIGA'
when /mswin|mingw|bccwin/ then
# NOTE: cygwin should be regarded as Unix.
os_code = 'WIN32'
else
os_code = 'UNIX'
end
os_code = 'OS_' + os_code.upcase
OS_NAMES = {
'OS_MSDOS' => 'MS-DOS',
'OS_AMIGA' => 'Amiga',
'OS_VMS' => 'VMS',
'OS_UNIX' => 'Unix',
'OS_ATARI' => 'Atari',
'OS_MACOS' => 'MacOS',
'OS_TOPS20' => 'TOPS20',
'OS_WIN32' => 'Win32',
'OS_VMCMS' => 'VM/CMS',
'OS_ZSYSTEM' => 'Z-System',
'OS_CPM' => 'CP/M',
'OS_QDOS' => 'QDOS',
'OS_RISCOS' => 'RISCOS',
'OS_UNKNOWN' => 'Unknown',
}
unless OS_NAMES.key? os_code then
raise "invalid OS_CODE `#{os_code}'"
end
Logging::message "#{OS_NAMES[os_code]}\n"
defines << "OS_CODE=#{os_code}"
$defs.concat(defines.collect{|d|' -D'+d})
if zsrc
$defs << "-DHAVE_CRC32_COMBINE"
$defs << "-DHAVE_ADLER32_COMBINE"
$defs << "-DHAVE_TYPE_Z_CRC_T"
$defs << "-DHAVE_CRC32_Z"
$defs << "-DHAVE_ADLER32_Z"
$defs << "-DHAVE_ZLIB_SIZE_T_FUNCS"
else
have_func('crc32_combine', 'zlib.h')
have_func('adler32_combine', 'zlib.h')
have_type('z_crc_t', 'zlib.h')
if (have_type('z_size_t', 'zlib.h') &&
have_func('crc32_z', 'zlib.h') &&
have_func('adler32_z', 'zlib.h'))
$defs << "-DHAVE_ZLIB_SIZE_T_FUNCS"
end
end
create_makefile('zlib') {|conf|
if zsrc
conf.concat addconf if addconf
end
conf
}
end
|
