Hi,
I'm currently working on improving my Gentoo overlay for FG and added a live
version of fgrun to it.
There is a problem to compile it with --as-needed enabled as LDFLAGS.
During configure it already prints:
checking for gl_start in -lfltk_gl... no
which leads to a compile error later on:
mv -f .deps/main.Tpo .deps/main.Po
mv -f .deps/run_posix.Tpo .deps/run_posix.Po
mv -f .deps/wizard_funcs.Tpo .deps/wizard_funcs.Po
x86_64-pc-linux-gnu-g++ -DLOCALEDIR=\"/usr/games/share/locale\" -
march=amdfam10 -O2 -pipe -L/usr/lib64/fltk-1.1 -Wl,--as-needed -
L/usr/games/lib -lfltk -lpthread -ldl -lm -lXext -lX11 -Wl,--as-needed -
L/usr/games/lib -o fgrun wizard.o wizard_funcs.o advanced.o advanced_funcs.o
AirportBrowser.o AirportTable.o Fl_Table.o Fl_Table_Row.o Fl_OSG.o
Fl_Heading_Dial.o main.o io.o fgfsrc.o logwin.o parkingloader.o settings.o
util.o run_posix.o fgrun_pty.o -lsgmodel -lsgscreen -lsgprops -lsgxml -
lsgdebug -lsgbvh -lsgmaterial -lsgmodel -lsgutil -lsgstructure -lsgprops -
lsgtgdb -lsgmath -lsgmisc -lsgbvh -lsgio -lsgbucket -lsgmodel -lsgutil -
lplibsg -lplibul -lplibnet -losgParticle -losgSim -losgViewer -losgGA -
losgText -losgDB -losgUtil -losg -lOpenThreads -lpthread -lfltk -lXft -lGL -
lXmu -lXt -lSM -lICE -lXi -lXext -lX11 -lm -lz -lutil -losgFX
wizard_funcs.o: In function `Wizard::preview_aircraft()':
wizard_funcs.cxx:(.text+0x6c0d): undefined reference to
`Fl_Gl_Window::make_current()'
wizard_funcs.o: In function `Wizard::reset_settings()':
wizard_funcs.cxx:(.text+0xab25): undefined reference to
`Fl_Gl_Window::make_current()'
Fl_OSG.o: In function `AdapterWidget::AdapterWidget(int, int, int, int, char
const*)':
Fl_OSG.cxx:(.text+0x5c8): undefined reference to `vtable for Fl_Gl_Window'
Fl_OSG.cxx:(.text+0x5d0): undefined reference to `Fl_Gl_Window::init()'
Fl_OSG.cxx:(.text+0x954): undefined reference to
`Fl_Gl_Window::~Fl_Gl_Window()'
Fl_OSG.o: In function `AdapterWidget::AdapterWidget(int, int, int, int, char
const*)':
Fl_OSG.cxx:(.text+0xe68): undefined reference to `vtable for Fl_Gl_Window'
Fl_OSG.cxx:(.text+0xe70): undefined reference to `Fl_Gl_Window::init()'
Fl_OSG.cxx:(.text+0x11f4): undefined reference to
`Fl_Gl_Window::~Fl_Gl_Window()'
Fl_OSG.o: In function `AdapterWidget::resize(int, int, int, int)':
Fl_OSG.cxx:(.text+0x1ac): undefined reference to `Fl_Gl_Window::resize(int,
int, int, int)'
Fl_OSG.o: In function `AdapterWidget::~AdapterWidget()':
Fl_OSG.cxx:
(.text._ZN13AdapterWidgetD2Ev[AdapterWidget::~AdapterWidget()]+0x79):
undefined reference to `Fl_Gl_Window::~Fl_Gl_Window()'
Fl_OSG.cxx:
(.text._ZN13AdapterWidgetD2Ev[AdapterWidget::~AdapterWidget()]+0x42):
undefined reference to `Fl_Gl_Window::~Fl_Gl_Window()'
Fl_OSG.o: In function `AdapterWidget::~AdapterWidget()':
Fl_OSG.cxx:
(.text._ZN13AdapterWidgetD0Ev[AdapterWidget::~AdapterWidget()]+0x3c):
undefined reference to `Fl_Gl_Window::~Fl_Gl_Window()'
Fl_OSG.cxx:
(.text._ZN13AdapterWidgetD0Ev[AdapterWidget::~AdapterWidget()]+0x81):
undefined reference to `Fl_Gl_Window::~Fl_Gl_Window()'
Fl_OSG.o: In function `AdapterWidget::~AdapterWidget()':
Fl_OSG.cxx:
(.text._ZN13AdapterWidgetD1Ev[AdapterWidget::~AdapterWidget()]+0x79):
undefined reference to `Fl_Gl_Window::~Fl_Gl_Window()'
Fl_OSG.o:Fl_OSG.cxx:
(.text._ZN13AdapterWidgetD1Ev[AdapterWidget::~AdapterWidget()]+0x42): more
undefined references to `Fl_Gl_Window::~Fl_Gl_Window()' follow
Fl_OSG.o:(.rodata._ZTV13AdapterWidget[vtable for AdapterWidget]+0x38):
undefined reference to `Fl_Gl_Window::flush()'
Fl_OSG.o:(.rodata._ZTV13AdapterWidget[vtable for AdapterWidget]+0x40):
undefined reference to `Fl_Gl_Window::show()'
Fl_OSG.o:(.rodata._ZTV13AdapterWidget[vtable for AdapterWidget]+0x48):
undefined reference to `Fl_Gl_Window::hide()'
Fl_OSG.o:(.rodata._ZTV13AdapterWidget[vtable for AdapterWidget]+0x50):
undefined reference to `Fl_Gl_Window::draw_overlay()'
Fl_OSG.o:(.rodata._ZTV6Fl_OSG[vtable for Fl_OSG]+0x268): undefined reference
to `Fl_Gl_Window::flush()'
Fl_OSG.o:(.rodata._ZTV6Fl_OSG[vtable for Fl_OSG]+0x270): undefined reference
to `Fl_Gl_Window::show()'
Fl_OSG.o:(.rodata._ZTV6Fl_OSG[vtable for Fl_OSG]+0x278): undefined reference
to `Fl_Gl_Window::hide()'
Fl_OSG.o:(.rodata._ZTV6Fl_OSG[vtable for Fl_OSG]+0x280): undefined reference
to `Fl_Gl_Window::draw_overlay()'
Fl_OSG.o:(.rodata._ZTI13AdapterWidget[typeinfo for AdapterWidget]+0x10):
undefined reference to `typeinfo for Fl_Gl_Window'
collect2: ld returned 1 exit status
make[2]: *** [fgrun] Error 1
When running the whole thing without --as-needed, the compile (and configure)
finish with no issues.
I tried to figure out here the problem could be but did not find anything.
Here is a Gentoo howto with some explenations:
http://www.gentoo.org/proj/en/qa/asneeded.xml
I hope fredb can fix this....
Cheers,
papillon81
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