Date: Thu, 03 Mar 2016 21:22:24 +0200 From: Arto Pekkanen <isoa@kapsi.fi> To: freebsd-x11@freebsd.org Subject: Cannot compile freebsd-base-graphics (4c5467a) on FreeBSD 10.2, compiler fails to recognize warning option Message-ID: <2b6aefeb1e40b367611c75f01dbcf370@kapsi.fi>
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Problem occurred after the merge with HEAD at commit 4c5467a. The new source tree from HEAD seems to compile some modules with -Wno-shift-negative-value -option, which is NOT supported by the compiler of 10.2-RELEASE-p12 Does anyone have any suggestions on how I could get this kernel to compile on 10.2-RELEASE? It would be problematic for me to upgrade my main laptop's OS to FreeBSD HEAD just to test this new kernel. cc --version FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512 Target: x86_64-unknown-freebsd10.2 Thread model: posix Compiler output follows: ... ===> bxe (all) cc -O2 -pipe -Wno-shift-negative-value -fno-strict-aliasing -Werror -D_KERNEL -DKLD_MODULE -nostdinc -I/root/freebsd-base-graphics/sys/dev/bxe -DHAVE_KERNEL_OPTION_HEADERS -include /usr/obj/root/freebsd-base-graphics/sys/GENERIC/opt_global.h -I. -I/root/freebsd-base-graphics/sys -fno-common -g -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -I/usr/obj/root/freebsd-base-graphics/sys/GENERIC -mcmodel=kernel -mno-red-zone -mno-mmx -mno-sse -msoft-float -fno-asynchronous-unwind-tables -ffreestanding -fwrapv -fstack-protector -gdwarf-2 -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual -Wundef -Wno-pointer-sign -fformat-extensions -Wmissing-include-dirs -fdiagnostics-show-option -Wno-unknown-pragmas -Wno-error-tautological-compare -Wno-error-empty-body -Wno-error-parentheses-equality -Wno-error-unused-function -Wno-error-pointer-sign -mno-aes -mno-avx -std=iso9899:1999 -c /root/freebsd-base-graphics/sys/dev/bxe/bxe.c -o bxe.o error: unknown warning option '-Wno-shift-negative-value'; did you mean '-Wno-shift-sign-overflow'? [-Werror,-Wunknown-warning-option] *** Error code 1 Stop. make[4]: stopped in /root/freebsd-base-graphics/sys/modules/bxe *** Error code 1 Stop. make[3]: stopped in /root/freebsd-base-graphics/sys/modules *** Error code 1 Stop. make[2]: stopped in /usr/obj/root/freebsd-base-graphics/sys/GENERIC *** Error code 1 Stop. make[1]: stopped in /root/freebsd-base-graphics *** Error code 1 Stop. make: stopped in /root/freebsd-base-graphics -- Arto Pekkanen
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