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|
exit(0) if ENV["USE_SYSTEM_LIBYAJL2"]
require 'rbconfig'
require 'fileutils'
require 'mkmf'
module Libyajl2Build
class BuildError < StandardError; end
LIBYAJL2_VENDOR_DIR = File.expand_path("../vendor/yajl", __FILE__).freeze
PREFIX = File.expand_path("../../../lib/libyajl2/vendored-libyajl2", __FILE__).freeze
def self.windows?
!!(RUBY_PLATFORM =~ /mswin|mingw|windows/)
end
def self.libyajl2_vendor_dir
LIBYAJL2_VENDOR_DIR
end
def self.prefix
PREFIX
end
def self.setup_env
RbConfig::MAKEFILE_CONFIG['CC'] = ENV['CC'] if ENV['CC']
# set some sane defaults
if RbConfig::MAKEFILE_CONFIG['CC'] =~ /gcc|clang/
# magic flags copied from upstream yajl build system (-std=c99 is necessary for older gcc)
$CFLAGS << " -std=c99 -pedantic -Wpointer-arith -Wno-format-y2k -Wstrict-prototypes -Wmissing-declarations -Wnested-externs -Wextra -Wundef -Wwrite-strings -Wold-style-definition -Wredundant-decls -Wno-unused-parameter -Wno-sign-compare -Wmissing-prototypes"
$CFLAGS << " -O2" # match what the upstream uses for optimization
# create the implib on windows
if windows?
$LDFLAGS << " -Wl,--export-all-symbols -Wl,--enable-auto-import -Wl,--out-implib=libyajldll.a -Wl,--output-def,libyajl.def"
end
end
$CFLAGS << " -DNDEBUG"
end
def self.makemakefiles
setup_env
dir_config("libyajl")
create_makefile("libyajl")
# on windows the Makefile will try to export Init_libyajl which is wrong because we aren't a ruby lib.
# i could not figure out how to tell mkmf.rb to stop being so helpful, so instead will just patch it here.
if windows?
makefile = IO.read("Makefile")
makefile.gsub!(/\$\(DEFFILE\)/, '')
File.open("Makefile", 'w+') {|f| f.write(makefile) }
end
# we cheat and build it right away...
system("make V=1 1>&2") # for rubinius we send stdout to stderr
# ...so we can hack up what install does later and copy over the include files
# not sure why ruby windows produces .so's instead of .dll's
if windows?
FileUtils.mv "libyajl.so", "yajl.dll"
end
File.open("Makefile", "w+") do |f|
f.write <<EOF
TARGET = libyajl
DLLIB = $(TARGET).#{RbConfig::MAKEFILE_CONFIG['DLEXT']}
all:
EOF
if windows?
f.write <<EOF
install:
\tmkdir -p #{prefix}/lib
\tcp yajl.dll #{prefix}/lib/yajl.dll
\tcp libyajldll.a #{prefix}/lib/libyajldll.a
\tcp libyajl.def #{prefix}/lib/libyajl.def
\tmkdir -p #{prefix}/include/yajl
\tcp yajl/*.h #{prefix}/include/yajl
EOF
else
f.write <<EOF
install:
\tmkdir -p #{prefix}/lib
\tcp $(DLLIB) #{prefix}/lib/$(DLLIB)
\tmkdir -p #{prefix}/include/yajl
\tcp yajl/*.h #{prefix}/include/yajl
EOF
end
end
end
end
Libyajl2Build.makemakefiles
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