Compilation breaks in Ubuntu 11.10

[otoburb]

https://wiki.ubuntu.com/NattyNarwhal/ToolchainTransition

This seems to be a deliberate move by Canonical in an attempt to reduce indirect linking for shared libraries. This was done supposedly to increase the robustness of dependencies by forcing direct linking in the command line.

[mrjbq7]

From http://paste.factorcode.org/paste?id=2368

g++ -ldl -lm -lrt -lpthread -lpango-1.0 -lpangocairo-1.0 -lcairo -lglib-2.0 -lgobject-2.0 -lgtk-x11-2.0 -lgdk-x11-2.0 -lgdk_pixbuf-2.0 -lgtkglext-x11-1.0 -latk-1.0 -lgio-2.0 -lgdkglext-x11-1.0 -lGL -Wl,--export-dynamic -L/usr/X11R6/lib64 -L/usr/X11R6/lib -L. vm/os-unix.o vm/os-genunix.o vm/os-linux.o vm/mvm-unix.o vm/aging_collector.o vm/alien.o vm/arrays.o vm/bignum.o vm/booleans.o vm/byte_arrays.o vm/callbacks.o vm/callstack.o vm/code_blocks.o vm/code_heap.o vm/compaction.o vm/contexts.o vm/data_heap.o vm/data_heap_checker.o vm/debug.o vm/dispatch.o vm/entry_points.o vm/errors.o vm/factor.o vm/free_list.o vm/full_collector.o vm/gc.o vm/gc_info.o vm/image.o vm/inline_cache.o vm/instruction_operands.o vm/io.o vm/jit.o vm/math.o vm/mvm.o vm/nursery_collector.o vm/object_start_map.o vm/objects.o vm/primitives.o vm/profiler.o vm/quotations.o vm/run.o vm/strings.o vm/to_tenured_collector.o vm/tuples.o vm/utilities.o vm/vm.o vm/words.o \
                -Wall  -O3 -fomit-frame-pointer -o factor vm/main-unix.o
ar rcs libfactor.a vm/os-unix.o vm/os-genunix.o vm/os-linux.o vm/mvm-unix.o vm/aging_collector.o vm/alien.o vm/arrays.o vm/bignum.o vm/booleans.o vm/byte_arrays.o vm/callbacks.o vm/callstack.o vm/code_blocks.o vm/code_heap.o vm/compaction.o vm/contexts.o vm/data_heap.o vm/data_heap_checker.o vm/debug.o vm/dispatch.o vm/entry_points.o vm/errors.o vm/factor.o vm/free_list.o vm/full_collector.o vm/gc.o vm/gc_info.o vm/image.o vm/inline_cache.o vm/instruction_operands.o vm/io.o vm/jit.o vm/math.o vm/mvm.o vm/nursery_collector.o vm/object_start_map.o vm/objects.o vm/primitives.o vm/profiler.o vm/quotations.o vm/run.o vm/strings.o vm/to_tenured_collector.o vm/tuples.o vm/utilities.o vm/vm.o vm/words.o
vm/os-unix.o: In function `factor::start_thread(void* (*)(void*), void*)':
os-unix.cpp:(.text+0x3eb): undefined reference to `pthread_create'
vm/os-unix.o: In function `factor::factor_vm::init_ffi()':
os-unix.cpp:(.text+0x50c): undefined reference to `dlopen'
vm/os-unix.o: In function `factor::factor_vm::ffi_dlopen(factor::dll*)':
os-unix.cpp:(.text+0x536): undefined reference to `dlopen'
vm/os-unix.o: In function `factor::factor_vm::ffi_dlclose(factor::dll*)':
os-unix.cpp:(.text+0x599): undefined reference to `dlclose'
vm/os-unix.o: In function `factor::open_console()':
os-unix.cpp:(.text+0xe21): undefined reference to `pthread_create'
vm/os-unix.o: In function `factor::factor_vm::ffi_dlsym_raw(factor::dll*, char*)':
os-unix.cpp:(.text+0x554): undefined reference to `dlsym'
vm/os-unix.o: In function `factor::factor_vm::ffi_dlsym(factor::dll*, char*)':
os-unix.cpp:(.text+0x574): undefined reference to `dlsym'
vm/os-genunix.o: In function `factor::nano_count()':
os-genunix.cpp:(.text+0xcd): undefined reference to `clock_gettime'
vm/mvm-unix.o: In function `factor::init_mvm()':
mvm-unix.cpp:(.text+0xc): undefined reference to `pthread_key_create'
vm/mvm-unix.o: In function `factor::current_vm()':
mvm-unix.cpp:(.text+0x4b): undefined reference to `pthread_getspecific'
vm/mvm-unix.o: In function `factor::register_vm_with_thread(factor::factor_vm*)':
mvm-unix.cpp:(.text+0x3a): undefined reference to `pthread_setspecific'
collect2: ld returned 1 exit status
make[1]: *** [factor] Error 1
make[1]: Leaving directory `/home/otoburb/factor'
make: *** [linux-x86-64] Error 2
make failed

[otoburb]

This is fixed by modifying GNUmakefile and moving $(LIBS) after the .o files are listed.

--- a/GNUmakefile
+++ b/GNUmakefile
@@ -177,12 +177,12 @@ $(ENGINE): $(DLL_OBJS)
factor-lib: $(ENGINE)

factor: $(EXE_OBJS) $(DLL_OBJS)

•   $(TOOLCHAIN_PREFIX)$(CPP) $(LIBS) $(LIBPATH) -L. $(DLL_OBJS) \
  

•           $(CFLAGS) -o $(EXECUTABLE) $(EXE_OBJS)
  

•   $(TOOLCHAIN_PREFIX)$(CPP) $(LIBPATH) -L. $(DLL_OBJS) \
  

•           $(CFLAGS) -o $(EXECUTABLE) $(LIBS) $(EXE_OBJS)
  

  factor-console: $(EXE_OBJS) $(DLL_OBJS)

•   $(TOOLCHAIN_PREFIX)$(CPP) $(LIBS) $(LIBPATH) -L. $(DLL_OBJS) \
  

•           $(CFLAGS) $(CFLAGS_CONSOLE) -o $(CONSOLE_EXECUTABLE) $(EXE_OBJS)
  

•   $(TOOLCHAIN_PREFIX)$(CPP) $(LIBPATH) -L. $(DLL_OBJS) \
  

•           $(CFLAGS) $(CFLAGS_CONSOLE) -o $(CONSOLE_EXECUTABLE) $(LIBS) $(EXE_OBJS)
  

  factor-ffi-test: $(FFI_TEST_LIBRARY)