eek => MethodHandle.c:340:5: error: 'ffiStatus' undeclared (first use in this function)


[jon@archee ~]$ gem i ffi --pre --user-install
Fetching: ffi-1.2.0.dev3.gem (100%)
Building native extensions.  This could take a while...
ERROR:  Error installing ffi:
        ERROR: Failed to build gem native extension.

        /usr/local/bin/ruby extconf.rb
checking for ffi_call() in -lffi... yes
checking for ffi_prep_closure()... yes
checking for ffi_raw_call()... yes
checking for ffi_prep_raw_closure()... yes
checking for rb_thread_blocking_region()... yes
checking for ruby_native_thread_p()... yes
checking for rb_thread_call_with_gvl()... yes
checking for ffi_prep_cif_var()... yes
creating extconf.h
creating Makefile

make
compiling Pointer.c
compiling Platform.c
compiling Types.c
compiling MappedType.c
compiling Buffer.c
compiling Call.c
Call.c: In function 'do_blocking_call':
Call.c:281:5: warning: 'rb_thread_blocking_region' is deprecated (declared at /usr/local/include/ruby-2.0.0/ruby/intern.h:823) [-Wdeprecated-declarations]
compiling LongDouble.c
compiling ClosurePool.c
compiling StructByReference.c
compiling ArrayType.c
compiling Variadic.c
compiling MemoryPointer.c
compiling Struct.c
compiling AbstractMemory.c
compiling MethodHandle.c
MethodHandle.c: In function 'rbffi_MethodHandle_Init':
MethodHandle.c:340:5: error: 'ffiStatus' undeclared (first use in this function)
MethodHandle.c:340:5: note: each undeclared identifier is reported only once for each function it appears in
make: *** [MethodHandle.o] Error 1

> Can you try 1.2.0.dev3 ?  It should eliminate the warnflags MRI puts in 
> there.
> 
> On Friday, 10 August 2012 06:16:10 UTC+10, Jon wrote:

> >
> > With ruby trunk the last few ffi gem releases have failed to build on my 
> > Arch 3.4.7 32bit dev system with gcc 4.7.1 (20120721). 
> >
> > Given the details and workaround info below, the root cause appears to be 
> > recent `configure.in` ansi compliance mods: 
> >
> >   https://github.com/ruby/ruby/blob/trunk/configure.in#L619-635 
> >
> > Looks like others are running into as well 
> >
> >   https://github.com/flori/json/issues/142 
> >
> > While I've only briefly investigated, I don't have time to fully look into 
> > it. But I don't want to forget about it. 
> >
> >
> >
> > *** GEM UPDATE FAILURE *** 
> >
> > [jon@archee ~]$ gem update ffi --user-install 
> > Updating installed gems 
> > Updating ffi 
> > Fetching: ffi-1.1.5.gem (100%) 
> > Building native extensions.  This could take a while... 
> > ERROR:  Error installing ffi: 
> >         ERROR: Failed to build gem native extension. 
> >
> >         /usr/local/bin/ruby extconf.rb 
> > checking for ffi_call() in -lffi... yes 
> > checking for ffi_prep_closure()... yes 
> > checking for ffi_raw_call()... yes 
> > checking for ffi_prep_raw_closure()... yes 
> > checking for rb_thread_blocking_region()... yes 
> > checking for ruby_native_thread_p()... yes 
> > checking for rb_thread_call_with_gvl()... yes 
> > creating extconf.h 
> > creating Makefile 
> >
> > make 
> > compiling Pointer.c 
> > In file included from Pointer.c:34:0: 
> > rbffi_endian.h:46:4: error: #error "Cannot determine the endian-ness of 
> > this platform" 
> > Pointer.c: In function 'ptr_order': 
> > Pointer.c:339:59: error: 'BYTE_ORDER' undeclared (first use in this 
> > function) 
> > Pointer.c:339:59: note: each undeclared identifier is reported only once 
> > for each function it appears in 
> > Pointer.c:339:72: error: 'BIG_ENDIAN' undeclared (first use in this 
> > function) 
> > Pointer.c:351:25: error: 'LITTLE_ENDIAN' undeclared (first use in this 
> > function) 
> > Pointer.c:368:1: warning: control reaches end of non-void function 
> > [-Wreturn-type] 
> > make: *** [Pointer.o] Error 1 
> >
> >
> > Gem files will remain installed in 
> > /home/jon/.gem/ruby/2.0.0/gems/ffi-1.1.5 for inspection. 
> > Results logged to 
> > /home/jon/.gem/ruby/2.0.0/gems/ffi-1.1.5/ext/ffi_c/gem_make.out 
> > Nothing to update 
> >
> >
> >
> > *** WORKAROUND *** 
> >
> > gem update ffi --user-install -- --with-cflags='--std=gnu99' 
> >
> >
> >
> > *** SYSTEM INFO *** 
> >
> > # rbconfig.rb contents: 
> >   CONFIG["warnflags"] = "-Wall -Wextra -Wno-unused-parameter 
> > -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers 
> > -Wunused-variable -Werror=pointer-arith -Werror=write-strings 
> > -Werror=declaration-after-statement -Werror=implicit-function-declaration 
> > -ansi -std=iso9899:199409" 
> >   CONFIG["WERRORFLAG"] = "-Werror" 
> >
> >
> > [jon@archee ~]$ gem env 
> > RubyGems Environment: 
> >   - RUBYGEMS VERSION: 1.8.24 
> >   - RUBY VERSION: 2.0.0 (2012-08-10 patchlevel -1) [i686-linux] 
> >   - INSTALLATION DIRECTORY: /usr/local/lib/ruby/gems/2.0.0 
> >   - RUBY EXECUTABLE: /usr/local/bin/ruby 
> >   - EXECUTABLE DIRECTORY: /usr/local/bin 
> >   - RUBYGEMS PLATFORMS: 
> >     - ruby 
> >     - x86-linux 
> >   - GEM PATHS: 
> >      - /usr/local/lib/ruby/gems/2.0.0 
> >      - /home/jon/.gem/ruby/2.0.0 
> >   - GEM CONFIGURATION: 
> >      - :update_sources => true 
> >      - :verbose => true 
> >      - :benchmark => false 
> >      - :backtrace => false 
> >      - :bulk_threshold => 1000 
> >      - :sources => ["http://rubygems.org"] 
> >      - "gem" => "--no-ri --no-rdoc" 
> >   - REMOTE SOURCES: 
> >      - http://rubygems.org 
> >
> >
> > Jon 
> >
> > --- 
> > Fail fast. Fail often. Fail publicly. Learn. Adapt. Repeat. 
> > http://thecodeshop.github.com | http://jonforums.github.com/ 
> > twitter: @jonforums 
> >

Jon

---
Fail fast. Fail often. Fail publicly. Learn. Adapt. Repeat.
http://thecodeshop.github.com | http://jonforums.github.com/
twitter: @jonforums