[LLVMbugs] [Bug 22248] New: clang link fails with undefined reference to `__stack_chk_guard'

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Fri Jan 16 02:22:52 PST 2015 

http://llvm.org/bugs/show_bug.cgi?id=22248

            Bug ID: 22248
           Summary: clang link fails with undefined reference to
                    `__stack_chk_guard'
           Product: lld
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: All Bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: costamagnagianfranco at yahoo.it
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Hi people, building a software with hardening flags enabled seems to result on
build failures, at least for hedgewars and kfreebsd-* ppc64el mips* and s390x

https://buildd.debian.org/status/fetch.php?pkg=hedgewars&arch=kfreebsd-amd64&ver=0.9.21.1-4&stamp=1420651885

https://buildd.debian.org/status/package.php?p=hedgewars&suite=unstable

clang version is 3.5, and the snip of the build log is here:

[ 58%] Building C object
project_files/hwc/CMakeFiles/hwengine.dir/uGearsUtils.c.o
cd /«PKGBUILDDIR»/obj-x86_64-kfreebsd-gnu/project_files/hwc && /usr/bin/clang 
-DPAS2C -g -O2 -fstack-protector-strong -Wformat -Werror=format-security
-D_FORTIFY_SOURCE=2  -fPIC -fvisibility=hidden -Wall -pipe -O3 -DNDEBUG -O2
-I/«PKGBUILDDIR»/project_files/hwc/rtl -I/«PKGBUILDDIR»/misc/libphyslayer
-I/usr/include/lua5.1 -I/usr/include/SDL    -Werror=incompatible-pointer-types
-o CMakeFiles/hwengine.dir/uGearsUtils.c.o   -c
/«PKGBUILDDIR»/obj-x86_64-kfreebsd-gnu/project_files/hwc/uGearsUtils.c
/usr/bin/cmake -E cmake_progress_report
/«PKGBUILDDIR»/obj-x86_64-kfreebsd-gnu/CMakeFiles 
[ 58%] Building C object project_files/hwc/CMakeFiles/hwengine.dir/hwengine.c.o
cd /«PKGBUILDDIR»/obj-x86_64-kfreebsd-gnu/project_files/hwc && /usr/bin/clang 
-DPAS2C -g -O2 -fstack-protector-strong -Wformat -Werror=format-security
-D_FORTIFY_SOURCE=2  -fPIC -fvisibility=hidden -Wall -pipe -O3 -DNDEBUG -O2
-I/«PKGBUILDDIR»/project_files/hwc/rtl -I/«PKGBUILDDIR»/misc/libphyslayer
-I/usr/include/lua5.1 -I/usr/include/SDL    -Werror=incompatible-pointer-types
-o CMakeFiles/hwengine.dir/hwengine.c.o   -c
/«PKGBUILDDIR»/obj-x86_64-kfreebsd-gnu/project_files/hwc/hwengine.c
Linking C executable ../../bin/hwengine
cd /«PKGBUILDDIR»/obj-x86_64-kfreebsd-gnu/project_files/hwc && /usr/bin/cmake
-E cmake_link_script CMakeFiles/hwengine.dir/link.txt --verbose=1
/usr/bin/clang  -g -O2 -fstack-protector-strong -Wformat
-Werror=format-security -D_FORTIFY_SOURCE=2  -fPIC -fvisibility=hidden -Wall
-pipe -O3 -DNDEBUG -O2  -Wl,-znoexecstack -Wl,-zorigin -Wl,-zrelro -Wl,-znow
-Wl,--as-needed  -Wl,-z,relro CMakeFiles/hwengine.dir/uAmmos.c.o
CMakeFiles/hwengine.dir/uGearsRender.c.o
CMakeFiles/hwengine.dir/uLandPainted.c.o CMakeFiles/hwengine.dir/SDLh.c.o
CMakeFiles/hwengine.dir/uSinTable.c.o CMakeFiles/hwengine.dir/uInputHandler.c.o
CMakeFiles/hwengine.dir/uAILandMarks.c.o CMakeFiles/hwengine.dir/uLand.c.o
CMakeFiles/hwengine.dir/uLandTexture.c.o
CMakeFiles/hwengine.dir/uAIAmmoTests.c.o CMakeFiles/hwengine.dir/uWorld.c.o
CMakeFiles/hwengine.dir/uSound.c.o CMakeFiles/hwengine.dir/uCommandHandlers.c.o
CMakeFiles/hwengine.dir/uLandObjects.c.o CMakeFiles/hwengine.dir/uCaptions.c.o
CMakeFiles/hwengine.dir/uTeams.c.o CMakeFiles/hwengine.dir/uMisc.c.o
CMakeFiles/hwengine.dir/uLandGenMaze.c.o
CMakeFiles/hwengine.dir/uLandOutline.c.o CMakeFiles/hwengine.dir/uGears.c.o
CMakeFiles/hwengine.dir/adler32.c.o CMakeFiles/hwengine.dir/uVisualGears.c.o
CMakeFiles/hwengine.dir/uAIActions.c.o CMakeFiles/hwengine.dir/uDebug.c.o
CMakeFiles/hwengine.dir/uLandTemplates.c.o CMakeFiles/hwengine.dir/uRender.c.o
CMakeFiles/hwengine.dir/uLandGenTemplateBased.c.o
CMakeFiles/hwengine.dir/uConsole.c.o CMakeFiles/hwengine.dir/uRandom.c.o
CMakeFiles/hwengine.dir/uCursor.c.o CMakeFiles/hwengine.dir/uGearsHedgehog.c.o
CMakeFiles/hwengine.dir/uCommands.c.o CMakeFiles/hwengine.dir/uGame.c.o
CMakeFiles/hwengine.dir/uLandUtils.c.o CMakeFiles/hwengine.dir/uStore.c.o
CMakeFiles/hwengine.dir/LuaPas.c.o CMakeFiles/hwengine.dir/uTextures.c.o
CMakeFiles/hwengine.dir/uLandGenPerlin.c.o
CMakeFiles/hwengine.dir/uGearsHandlers.c.o CMakeFiles/hwengine.dir/uIO.c.o
CMakeFiles/hwengine.dir/uRenderUtils.c.o CMakeFiles/hwengine.dir/uChat.c.o
CMakeFiles/hwengine.dir/uMatrix.c.o CMakeFiles/hwengine.dir/uLandGraphics.c.o
CMakeFiles/hwengine.dir/uPhysFSLayer.c.o CMakeFiles/hwengine.dir/uVariables.c.o
CMakeFiles/hwengine.dir/uConsts.c.o CMakeFiles/hwengine.dir/uAIMisc.c.o
CMakeFiles/hwengine.dir/uCollisions.c.o CMakeFiles/hwengine.dir/uUtils.c.o
CMakeFiles/hwengine.dir/uAI.c.o CMakeFiles/hwengine.dir/uFloat.c.o
CMakeFiles/hwengine.dir/uTypes.c.o CMakeFiles/hwengine.dir/ArgParsers.c.o
CMakeFiles/hwengine.dir/uScript.c.o
CMakeFiles/hwengine.dir/uVisualGearsHandlers.c.o
CMakeFiles/hwengine.dir/uLocale.c.o
CMakeFiles/hwengine.dir/uGearsHandlersMess.c.o
CMakeFiles/hwengine.dir/uGearsHandlersRope.c.o
CMakeFiles/hwengine.dir/uVisualGearsList.c.o
CMakeFiles/hwengine.dir/uGearsList.c.o CMakeFiles/hwengine.dir/uStats.c.o
CMakeFiles/hwengine.dir/uGearsUtils.c.o CMakeFiles/hwengine.dir/hwengine.c.o 
-o ../../bin/hwengine  ../../bin/libfpcrtl.a -llua5.1 -lGLU -lGL -lSM -lICE
-lX11 -lXext -Wl,-Bstatic -lSDLmain -Wl,-Bdynamic -lSDL -lpthread -lSDL_mixer
-lSDL_net -lSDL_image -lSDL_ttf -lGLEW
/usr/lib/x86_64-kfreebsd-gnu/libphysfs.so ../../bin/libphyslayer.so -lm
-Wl,-Bstatic -lSDLmain -Wl,-Bdynamic -lSDL -lpthread
/usr/lib/x86_64-kfreebsd-gnu/libphysfs.so
/usr/lib/x86_64-kfreebsd-gnu/liblua5.1.so
-Wl,-rpath,"\$ORIGIN/../lib/:\$ORIGIN/:/usr/lib/hedgewars/lib/" 
/usr/bin/cmake -E cmake_progress_report
/«PKGBUILDDIR»/obj-x86_64-kfreebsd-gnu/CMakeFiles 
CMakeFiles/hwengine.dir/uAmmos.c.o: In function `uammos_FillAmmoStore':
/«PKGBUILDDIR»/obj-x86_64-kfreebsd-gnu/project_files/hwc/uAmmos.c:35: undefined
reference to `__stack_chk_guard'
/«PKGBUILDDIR»/obj-x86_64-kfreebsd-gnu/project_files/hwc/uAmmos.c:51: undefined
reference to `__stack_chk_guard'
CMakeFiles/hwengine.dir/uAmmos.c.o: In function `uammos_AddAmmoStore':
/«PKGBUILDDIR»/obj-x86_64-kfreebsd-gnu/project_files/hwc/uAmmos.c:54: undefined
reference to `__stack_chk_guard'
/«PKGBUILDDIR»/obj-x86_64-kfreebsd-gnu/project_files/hwc/uAmmos.c:129:
undefined reference to `__stack_chk_guard'
CMakeFiles/hwengine.dir/uAmmos.c.o: In function `uammos_SetAmmo':
/«PKGBUILDDIR»/obj-x86_64-kfreebsd-gnu/project_files/hwc/uAmmos.c:215:
undefined reference to `__stack_chk_guard'
CMakeFiles/hwengine.dir/uAmmos.c.o:/«PKGBUILDDIR»/obj-x86_64-kfreebsd-gnu/project_files/hwc/uAmmos.c:290:
more undefined references to `__stack_chk_guard' follow

thanks,

Gianfranco

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