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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)
]
LIB_DIRS = [
"/opt/local/lib", # MacPorts
"/usr/local/lib", # /usr/local + Homebrew
RbConfig::CONFIG['libdir'], # Ruby
"/usr/lib", # (default)
]
# 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 'parser'
create_makefile 'ffi_yajl/ext/parser'
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