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require 'mkmf'
if RbConfig::CONFIG['GCC'] == 'yes'
$CFLAGS << " -fno-defer-pop -fno-omit-frame-pointer"
end
$INSTALLFILES = [
["dl.h", "$(HDRDIR)"],
]
if pkg_config("libffi")
# libffi closure api must be switched depending on the version
if system("pkg-config --atleast-version=3.0.9 libffi")
$defs.push(format('-DUSE_NEW_CLOSURE_API'))
end
else
dir_config('ffi', '/usr/include', '/usr/lib')
end
unless have_header('ffi.h')
if have_header('ffi/ffi.h')
$defs.push(format('-DUSE_HEADER_HACKS'))
else
abort "ffi is missing"
end
end
unless have_library('ffi')
abort "ffi is missing"
end
check = true
if( have_header("dlfcn.h") )
have_library("dl")
check &&= have_func("dlopen")
check &&= have_func("dlclose")
check &&= have_func("dlsym")
have_func("dlerror")
elsif( have_header("windows.h") )
check &&= have_func("LoadLibrary")
check &&= have_func("FreeLibrary")
check &&= have_func("GetProcAddress")
else
check = false
end
if check
$defs << %[-DRUBY_VERSION=\\"#{RUBY_VERSION}\\"]
create_makefile("dl")
end
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