Hello all,
I tried to compile new viewer (from trunk) and use bundled fltk but I
got following error:
/usr/bin/ld: ../common/fltk/src/libfltk_static.a(Fl_Preferences.cxx.o):
undefined reference to symbol 'dlopen@@GLIBC_2.2.5'
/usr/bin/ld: note: 'dlopen@@GLIBC_2.2.5' is defined in DSO
/lib64/libdl.so.2 so try adding it to the linker command line
/lib64/libdl.so.2: could not read symbols: Invalid operation
collect2: ld returned 1 exit status
make[2]: *** [vncviewer/vncviewer] Error 1
make[1]: *** [vncviewer/CMakeFiles/vncviewer.dir/all] Error 2
make: *** [all] Error 2
Linker in new distributions doesn't allow "indirect linking" i.e. if
some symbol, dlopen in this case, is needed by binary then library which
contains the symbol must be passed as -llibrary linker argument.
Attached patch just adds the -ldl, I don't think we need extra checking
for it in CMakeLists because it is core part of all systems, do we?
Regards, Adam
Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt (revision 4671)
+++ CMakeLists.txt (working copy)
@@ -315,6 +315,9 @@
if(APPLE)
set(FLTK_LIBRARIES "-framework Carbon -framework Cocoa -framework
ApplicationServices")
endif()
+ if(NOT WIN32)
+ set(FLTK_LIBRARIES "-ldl")
+ endif()
message(STATUS "Using included FLTK library")
endif()
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