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# encoding: UTF-8
require 'mkmf'
def asplode lib
abort "-----\n#{lib} is missing. please check your installation of mysql and try again.\n-----"
end
# 2.0-only
have_header('ruby/thread.h') && have_func('rb_thread_call_without_gvl', 'ruby/thread.h')
# 1.9-only
have_func('rb_thread_blocking_region')
have_func('rb_wait_for_single_fd')
have_func('rb_hash_dup')
have_func('rb_intern3')
# borrowed from mysqlplus
# http://github.com/oldmoe/mysqlplus/blob/master/ext/extconf.rb
dirs = ENV['PATH'].split(File::PATH_SEPARATOR) + %w[
/opt
/opt/local
/opt/local/mysql
/opt/local/lib/mysql5
/usr
/usr/mysql
/usr/local
/usr/local/mysql
/usr/local/mysql-*
/usr/local/lib/mysql5
].map{|dir| "#{dir}/bin" }
GLOB = "{#{dirs.join(',')}}/{mysql_config,mysql_config5}"
# If the user has provided a --with-mysql-dir argument, we must respect it or fail.
inc, lib = dir_config('mysql')
if inc && lib
# Ruby versions not incorporating the mkmf fix at
# https://bugs.ruby-lang.org/projects/ruby-trunk/repository/revisions/39717
# do not properly search for lib directories, and must be corrected
unless lib && lib[-3, 3] == 'lib'
@libdir_basename = 'lib'
inc, lib = dir_config('mysql')
end
abort "-----\nCannot find include dir at #{inc}\n-----" unless inc && File.directory?(inc)
abort "-----\nCannot find library dir at #{lib}\n-----" unless lib && File.directory?(lib)
warn "-----\nUsing --with-mysql-dir=#{File.dirname inc}\n-----"
rpath_dir = lib
elsif mc = (with_config('mysql-config') || Dir[GLOB].first)
# If the user has provided a --with-mysql-config argument, we must respect it or fail.
# If the user gave --with-mysql-config with no argument means we should try to find it.
mc = Dir[GLOB].first if mc == true
abort "-----\nCannot find mysql_config at #{mc}\n-----" unless mc && File.exists?(mc)
abort "-----\nCannot execute mysql_config at #{mc}\n-----" unless File.executable?(mc)
warn "-----\nUsing mysql_config at #{mc}\n-----"
ver = `#{mc} --version`.chomp.to_f
includes = `#{mc} --include`.chomp
exit 1 if $? != 0
libs = `#{mc} --libs_r`.chomp
# MySQL 5.5 and above already have re-entrant code in libmysqlclient (no _r).
if ver >= 5.5 || libs.empty?
libs = `#{mc} --libs`.chomp
end
exit 1 if $? != 0
$INCFLAGS += ' ' + includes
$libs = libs + " " + $libs
rpath_dir = libs
else
inc, lib = dir_config('mysql', '/usr/local')
libs = ['m', 'z', 'socket', 'nsl', 'mygcc']
while not find_library('mysqlclient', 'mysql_query', lib, "#{lib}/mysql") do
exit 1 if libs.empty?
have_library(libs.shift)
end
rpath_dir = lib
end
if RUBY_PLATFORM =~ /mswin|mingw/
exit 1 unless have_library('libmysql')
end
if have_header('mysql.h')
prefix = nil
elsif have_header('mysql/mysql.h')
prefix = 'mysql'
else
asplode 'mysql.h'
end
%w{ errmsg.h mysqld_error.h }.each do |h|
header = [prefix, h].compact.join '/'
asplode h unless have_header h
end
# These gcc style flags are also supported by clang and xcode compilers,
# so we'll use a does-it-work test instead of an is-it-gcc test.
gcc_flags = ' -Wall -funroll-loops'
if try_link('int main() {return 0;}', gcc_flags)
$CFLAGS << gcc_flags
end
create_makefile('mysql2/mysql2')
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