diff options
Diffstat (limited to 'ext/fiddle/extconf.rb')
-rw-r--r-- | ext/fiddle/extconf.rb | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/ext/fiddle/extconf.rb b/ext/fiddle/extconf.rb index 78622b6a6f..2cb9ae0ace 100644 --- a/ext/fiddle/extconf.rb +++ b/ext/fiddle/extconf.rb @@ -19,6 +19,36 @@ end have_header 'sys/mman.h' +if have_header "dlfcn.h" + have_library "dl" + + %w{ dlopen dlclose dlsym }.each do |func| + abort "missing function #{func}" unless have_func(func) + end + + have_func "dlerror" +elsif have_header "windows.h" + %w{ LoadLibrary FreeLibrary GetProcAddress }.each do |func| + abort "missing function #{func}" unless have_func(func) + end +end + +have_const('FFI_STDCALL', 'ffi.h') || have_const('FFI_STDCALL', 'ffi/ffi.h') + +config = File.read(RbConfig.expand(File.join($arch_hdrdir, "ruby/config.h"))) +types = {"SIZE_T"=>"SSIZE_T", "PTRDIFF_T"=>nil, "INTPTR_T"=>nil} +types.each do |type, signed| + if /^\#define\s+SIZEOF_#{type}\s+(SIZEOF_(.+)|\d+)/ =~ config + if size = $2 and size != 'VOIDP' + size = types.fetch(size) {size} + $defs << format("-DTYPE_%s=TYPE_%s", signed||type, size) + end + if signed + check_signedness(type.downcase, "stddef.h") + end + end +end + create_makefile 'fiddle' # :startdoc: |