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# rubocop:disable Style/GlobalVars
require "mkmf"
require "rubygems"
require "libyajl2"
RbConfig::MAKEFILE_CONFIG["CC"] = ENV["CC"] if ENV["CC"]
# pick up the vendored libyajl2 out of the libyajl2 gem
$CFLAGS = " -I#{Libyajl2.include_path} #{$CFLAGS}"
$LDFLAGS = " -L#{Libyajl2.opt_path} #{$LDFLAGS}"
# remove "-Wl,--no-undefined" flag if existent to allow for loading with dlopen
$LDFLAGS.slice!("-Wl,--no-undefined")
puts $CFLAGS
puts $LDFLAGS
# except if you're doing an unoptimized gcc install we're going to help you out a bit
if RbConfig::MAKEFILE_CONFIG["CC"] =~ /gcc|clang/
$CFLAGS << " -O3" unless $CFLAGS[/-O\d/]
# how many people realize that -Wall is a compiler-specific flag???
# apparently not many based on reading lots of shitty extconf.rb's out there
$CFLAGS << " -Wall"
end
def windows?
!!(RUBY_PLATFORM =~ /mswin|mingw|cygwin|windows/)
end
if windows?
# include our libyajldll.a definitions on windows in the libyajl2 gem
$libs = "#{$libs} -lyajldll"
end
# NOTE: find_library has the side effect of adding -lyajl to the flags which we are deliberately
# avoiding doing with the libyajl2-gem (allowing it to be lazily loaded with dlopen)
if !windows? && !find_header("yajl/yajl_tree.h")
puts "libyajl2 headers not found in libyajl2-gem, searching for system libraries..."
HEADER_DIRS = [
"/opt/local/include", # MacPorts
"/usr/local/include", # /usr/local
RbConfig::CONFIG["includedir"], # Ruby
"/usr/include", # (default)
].freeze
LIB_DIRS = [
"/opt/local/lib", # MacPorts
"/usr/local/lib", # /usr/local + Homebrew
RbConfig::CONFIG["libdir"], # Ruby
"/usr/lib", # (default)
].freeze
# add --with-yajl-dir, --with-yajl-include, --with-yajl-lib
dir_config("yajl", HEADER_DIRS, LIB_DIRS)
# here we use find_library in order to deliberately link with -lyajl as a useful side-effect
unless find_header("yajl/yajl_tree.h") && find_library("yajl", "yajl_complete_parse")
abort "libyajl2 is missing. please install libyajl2"
end
end
dir_config "encoder"
create_makefile "ffi_yajl/ext/encoder"
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