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zlib: try zlib source

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* ext/zlib/extconf.rb: try building zlib from the source if
  exists.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56204 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-09-22 06:35:28 +00:00
parent 958c04898c
commit 21255071d8
1 changed files with 33 additions and 1 deletions
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34
ext/zlib/extconf.rb
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@ -13,7 +13,24 @@ dir_config 'zlib'
if %w'z libz zlib1 zlib zdll zlibwapi'.find {|z| have_library(z, 'deflateReset')} and
have_header('zlib.h') then
have_zlib = true
else
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
$INCFLAGS << " -I$(ZSRC)"
if $mswin or $mingw
$libs = append_library($libs, "zdll")
dll = "zlib1.dll"
end
have_zlib = true
end
end
if have_zlib
defines = []
Logging::message 'checking for kind of operating system... '
@ -57,6 +74,21 @@ if %w'z libz zlib1 zlib zdll zlibwapi'.find {|z| have_library(z, 'deflateReset')
have_func('adler32_combine', 'zlib.h')
have_type('z_crc_t', 'zlib.h')
create_makefile('zlib')
create_makefile('zlib') {|conf|
if zsrc
conf << "ZSRC = $(srcdir)/#{File.basename(zsrc)}\n"
conf << "all:\n"
if $mingw or $mswin
conf << "ZIMPLIB = zdll.lib\n"
conf << "$(TARGET_SO): $(ZIMPLIB)\n"
conf << "$(ZIMPLIB):\n"
conf << "\t$(MAKE) -f $(ZSRC)/win32/Makefile.#{$nmake ? 'msc' : 'gcc'} TOP=$(ZSRC) $@\n"
conf << "install-so: $(topdir)/#{dll}"
conf << "$(topdir)/#{dll}: $(ZIMPLIB)\n"
conf << "\t$(Q) $(COPY) #{dll} $(BINDIR)\n"
end
end
conf
}
end