Date: Tue, 24 Mar 2015 20:18:00 -0700 From: Craig Rodrigues <rodrigc@FreeBSD.org> To: Dimitry Andric <dim@freebsd.org> Cc: "freebsd-testing@freebsd.org" <freebsd-testing@freebsd.org>, freebsd-toolchain@freebsd.org Subject: Re: Failed to build with external toolchain Message-ID: <CAG=rPVc=YxuakeyFL9SXAnas3e9QyozfLqC2uQ_KhkqaavRvNQ@mail.gmail.com> In-Reply-To: <C3173614-08B4-4616-BD76-93CA8417A044@FreeBSD.org> References: <CAG=rPVfP4=BuL8DOuy9FNDcN51zshfBfeuFONiAAONWON6n3kA@mail.gmail.com> <A1580F95-4882-46F3-96C2-3D3D1D493706@FreeBSD.org> <CAG=rPVd9deshQWvMXOHF%2ByfvqZfo3UOsao9iqipX_CQGKs=vHA@mail.gmail.com> <1857A2A3-0C19-4F52-BCAF-6C72FE7D8DF3@FreeBSD.org> <CAG=rPVfKTi5cFyhNBg7pSYi_rUoEw2d8NeqA89Fy%2BiLxZt86hg@mail.gmail.com> <C3173614-08B4-4616-BD76-93CA8417A044@FreeBSD.org>
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On Sat, Mar 7, 2015 at 3:48 PM, Dimitry Andric <dim@freebsd.org> wrote: > On 07 Mar 2015, at 21:12, Craig Rodrigues <rodrigc@FreeBSD.org> wrote: > > I ran the build again and this time I am getting errors about undefined > > symbol utimensat(): > > > > > https://jenkins.freebsd.org/job/FreeBSD_HEAD_external_toolchain_gcc/14/console > > > > Any ideas? > > It's linking against the wrong libc, the one from the FreeBSD-10 host > system, which does not have utimensat(): > > --- cp --- > /usr/local/bin/x86_64-portbld-freebsd10.0-gcc -isystem > /builds/FreeBSD_HEAD_external_toolchain_gcc/obj/builds/FreeBSD_HEAD_external_toolchain_gcc/tmp/usr/include > -L/builds/FreeBSD_HEAD_external_toolchain_gcc/obj/builds/FreeBSD_HEAD_external_toolchain_gcc/tmp/usr/lib > -O2 -pipe -DVM_AND_BUFFER_CACHE_SYNCHRONIZED -D_ACL_PRIVATE -std=gnu99 > -fstack-protector -Wsystem-headers -Wall -Wno-format-y2k -W > -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes > -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow > -Wunused-parameter -Wcast-align -Wchar-subscripts -Winline -Wnested-externs > -Wredundant-decls -Wold-style-definition -Wno-pointer-sign -o cp cp.o > utils.o > [...] > utils.o: In function `setfile': > utils.c:(.text+0x83): undefined reference to `utimensat' > utils.c:(.text+0x1ce): undefined reference to `utimensat' > utils.c:(.text+0x38c): undefined reference to `utimensat' > collect2: error: ld returned 1 exit status > > There should probably be a --sysroot flag in there, pointing to the > ${WORLDTMP} built during the earlier stages. > > For some reason, this flag is not added for gcc, in Makefile.inc1. No > idea why that was done. > > -Dimitry > > I eliminated the problem with this patch: Index: Makefile.inc1 =================================================================== --- Makefile.inc1 (revision 280353) +++ Makefile.inc1 (working copy) @@ -381,9 +381,9 @@ TARGET_ABI?= unknown TARGET_TRIPLE?= ${TARGET_ARCH:C/amd64/x86_64/}-${TARGET_ABI}-freebsd11.0 XCFLAGS+= -target ${TARGET_TRIPLE} +.endif XCFLAGS+= --sysroot=${WORLDTMP} ${BFLAGS} XCXXFLAGS+= --sysroot=${WORLDTMP} ${BFLAGS} -.endif .else .if defined(CROSS_BINUTILS_PREFIX) && exists(${CROSS_BINUTILS_PREFIX}) BFLAGS+= -B${CROSS_BINUTILS_PREFIX} This sets --sysroot when doing CROSS_TOOLCHAIN for both clang *or* gcc. Right now, --sysroot is only set for clang. I did a "make universe" and "make buildworld CROSS_TOOLCHAIN_PREFIX=/usr/bin/" Is it OK if I commit it? -- Craig
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