Date: Mon, 19 Jun 2017 04:24:22 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 220122] head -r320059 (e.g.) clang based buildkernel (without WERROR): /usr/src/sys/sys/sglist.h:81:19: error: passing 'int *' to parameter of type 'volatile u_int *' ... converts between pointers to integer types with different sign Message-ID: <bug-220122-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220122 Bug ID: 220122 Summary: head -r320059 (e.g.) clang based buildkernel (without WERROR): /usr/src/sys/sys/sglist.h:81:19: error: passing 'int *' to parameter of type 'volatile u_int *' ... converts between pointers to integer types with different sign Product: Base System Version: CURRENT Hardware: powerpc OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: markmi@dsl-only.net Attempting to buildkernel (without WERROR) stopped with: --- drm_auth.o --- In file included from /usr/src/sys/dev/drm2/drm_auth.c:39: In file included from /usr/src/sys/dev/drm2/drmP.h:51: /usr/src/sys/sys/sglist.h:67:16: error: passing 'int *' to parameter of type 'volatile u_int *' (aka 'volatile unsigned int *') converts between pointers to integer types with different sign [-Werror,-Wpointer-sign] refcount_init(&sg->sg_refs, 1); ^~~~~~~~~~~~ /usr/src/sys/sys/refcount.h:42:31: note: passing argument to parameter 'count' here refcount_init(volatile u_int *count, u_int value) ^ In file included from /usr/src/sys/dev/drm2/drm_auth.c:39: In file included from /usr/src/sys/dev/drm2/drmP.h:51: /usr/src/sys/sys/sglist.h:81:19: error: passing 'int *' to parameter of type 'volatile u_int *' (aka 'volatile unsigned int *') converts between pointers to integer types with different sign [-Werror,-Wpointer-sign] refcount_acquire(&sg->sg_refs); ^~~~~~~~~~~~ /usr/src/sys/sys/refcount.h:49:34: note: passing argument to parameter 'count' here refcount_acquire(volatile u_int *count) ^ . . . --- all_subdir_drm2/drm2 --- 2 errors generated. *** [drm_auth.o] Error code 1 make[5]: stopped in /usr/src/sys/modules/drm2/drm2 .ERROR_TARGET='drm_auth.o' .ERROR_META_FILE='/usr/obj/powerpc64vtsc_xtoolchain-llvm/powerpc.powerpc64/usr/src/sys/GENERIC64vtsc-NODBG/modules/usr/src/sys/modules/drm2/drm2/drm_auth.o.meta' .MAKE.LEVEL='5' MAKEFILE='' .MAKE.MODE='meta missing-filemon=yes missing-meta=yes silent=yes verbose' _ERROR_CMD='/usr/local/bin/clang40 -target powerpc64-unknown-freebsd12.0 --sysroot=/usr/obj/powerpc64vtsc_xtoolchain-llvm/powerpc.powerpc64/usr/src/tmp -B/usr/local/powerpc64-freebsd/bin/ -O2 -pipe -fno-strict-aliasing -Werror -D_KERNEL -DKLD_MODULE -nostdinc -DHAVE_KERNEL_OPTION_HEADERS -include /usr/obj/powerpc64vtsc_xtoolchain-llvm/powerpc.powerpc64/usr/src/sys/GENERIC64vtsc-NODBG/opt_global.h -I. -I/usr/src/sys -fno-common -g -fno-omit-frame-pointer -I/usr/obj/powerpc64vtsc_xtoolchain-llvm/powerpc.powerpc64/usr/src/sys/GENERIC64vtsc-NODBG -mno-altivec -msoft-float -ffreestanding -fwrapv -fstack-protector -gdwarf-2 -Wno-cast-qual -std=iso9899:1999 -c /usr/src/sys/dev/drm2/drm_auth.c -o drm_auth.o; ctfconvert -L VERSION -g drm_auth.o;' .CURDIR='/usr/src/sys/modules/drm2/drm2' . . . This does not look to be powerpc64 specific but powerpc64 was the context. This did happen to be built via a llvm40 xtoolchain variant that allowed me to specify to use devel/powerpc64-bintuils use (including for ld since lld does not work for powerpc64 or powerpc last I knew). # more /usr/local/share/toolchains/llvm40_altbinutils.mk XCC=/usr/local/bin/clang40 XCXX=/usr/local/bin/clang++40 XCPP=/usr/local/bin/clang-cpp40 X_COMPILER_TYPE=clang # more ~/src.configs/src.conf.powerpc64-xtoolchain-llvm.amd64-host TO_TYPE=powerpc64 TOOLS_TO_TYPE=${TO_TYPE} # KERNCONF=GENERIC64vtsc-NODBG TARGET=powerpc .if ${.MAKE.LEVEL} == 0 TARGET_ARCH=${TO_TYPE} .export TARGET_ARCH .endif # WITHOUT_CROSS_COMPILER= WITHOUT_SYSTEM_COMPILER= # WITH_LIBCPLUSPLUS= WITHOUT_BINUTILS_BOOTSTRAP= WITHOUT_ELFTOOLCHAIN_BOOTSTRAP= WITHOUT_CLANG_BOOTSTRAP= WITH_CLANG= WITH_CLANG_IS_CC= WITH_CLANG_FULL= WITH_CLANG_EXTRAS= WITHOUT_LLD_BOOTSTRAP= WITH_LLD= WITHOUT_LLD_IS_LD= WITH_LLDB= # WITH_BOOT= WITH_LIB32= # WITHOUT_GCC_BOOTSTRAP= WITHOUT_GCC= WITHOUT_GCC_IS_CC= WITHOUT_GNUCXX= # NO_WERROR= # # Avoid build aborting for the likes of: # /usr/src/sys/sys/sglist.h:81:19: error: # passing 'int *' to parameter of type 'volatile u_int *' # (aka 'volatile unsigned int *') converts between # pointers to integer types with different sign # [-Werror,-Wpointer-sign] # WERROR= MALLOC_PRODUCTION= # WITH_REPRODUCIBLE_BUILD= WITH_DEBUG_FILES= # # # For TO (so-called "cross") stages . . . # TOOLS_TO_TYPE based on ${TO_TYPE}-xtoolchain-gcc related binutils. . . # CROSS_TOOLCHAIN=llvm40_altbinutils X_COMPILER_TYPE=clang CROSS_BINUTILS_PREFIX=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ .if ${.MAKE.LEVEL} == 0 XCC=/usr/local/bin/clang40 XCXX=/usr/local/bin/clang++40 XCPP=/usr/local/bin/clang-cpp40 .export XCC .export XCXX .export XCPP XAS=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/as XAR=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ar XLD=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ld XNM=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/nm XOBJCOPY=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/objcopy XOBJDUMP=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/objdump XRANLIB=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ranlib XSIZE=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/size #NO-SUCH: XSTRINGS=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/strings XSTRINGS=/usr/local/bin/${TOOLS_TO_TYPE}-freebsd-strings .export XAS .export XAR .export XLD .export XNM .export XOBJCOPY .export XOBJDUMP .export XRANLIB .export XSIZE .export XSTRINGS .endif # # # From based on clang (via system). . . # .if ${.MAKE.LEVEL} == 0 CC=/usr/bin/clang CXX=/usr/bin/clang++ CPP=/usr/bin/clang-cpp .export CC .export CXX .export CPP .endif -- You are receiving this mail because: You are the assignee for the bug.
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