Date: Sun, 16 Apr 2017 01:10:26 -0700 From: Mark Millard <markmi@dsl-only.net> To: FreeBSD Toolchain <freebsd-toolchain@freebsd.org> Cc: FreeBSD Current <freebsd-current@freebsd.org>, FreeBSD Ports <freebsd-ports@freebsd.org> Subject: FYI: amd64 built with WITH_LLD_IS_LD= vs. devel/libunwind : cannot preempt symbol (for various symbols) Message-ID: <37CB2849-A509-4C1D-AB93-A1FBFF70E959@dsl-only.net>
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Context: amd64 FreeBSD -r316952 as a VirtualBox guest
that was built using WITH_LLD_IS_LD=3D . ports -r438577.
x11/xorg-minimal indirectly gets to devel/libunwind and
devel/libunwind fails to build from source:
--- Lperf-simple ---
libtool: link: cc -O2 -pipe -g -fstack-protector -fno-strict-aliasing =
-fexceptions -Wall -Wsign-compare -fstack-protector -o =
.libs/Lperf-simple Lperf-simple.o ../src/.libs/libunwind.so -lgcc =
-llzma -Wl,-rpath -Wl,/usr/local/lib
/usr/bin/ld: error: ./Gperf-simple.c:195: cannot preempt symbol =
'_ULx86_64_init_local' defined in ../src/.libs/libunwind.so
/usr/bin/ld: error: ./Gperf-simple.c:219: cannot preempt symbol =
'_ULx86_64_init_local' defined in ../src/.libs/libunwind.so
/usr/bin/ld: error: ./Gperf-simple.c:252: cannot preempt symbol =
'_ULx86_64_local_addr_space' defined in ../src/.libs/libunwind.so
/usr/bin/ld: error: ./Gperf-simple.c:252: cannot preempt symbol =
'_ULx86_64_set_caching_policy' defined in ../src/.libs/libunwind.so
/usr/bin/ld: error: ./Gperf-simple.c:255: cannot preempt symbol =
'_ULx86_64_local_addr_space' defined in ../src/.libs/libunwind.so
/usr/bin/ld: error: ./Gperf-simple.c:255: cannot preempt symbol =
'_ULx86_64_set_caching_policy' defined in ../src/.libs/libunwind.so
/usr/bin/ld: error: ./Gperf-simple.c:258: cannot preempt symbol =
'_ULx86_64_local_addr_space' defined in ../src/.libs/libunwind.so
/usr/bin/ld: error: ./Gperf-simple.c:258: cannot preempt symbol =
'_ULx86_64_set_caching_policy' defined in ../src/.libs/libunwind.so
/usr/bin/ld: error: ./Gperf-simple.c:66: cannot preempt symbol =
'_ULx86_64_init_local' defined in ../src/.libs/libunwind.so
/usr/bin/ld: error: ./Gperf-simple.c:73: cannot preempt symbol =
'_ULx86_64_step' defined in ../src/.libs/libunwind.so
cc: error: linker command failed with exit code 1 (use -v to see =
invocation)
*** [Lperf-simple] Error code 1
make[2]: stopped in =
/usr/obj/portswork/usr/ports/devel/libunwind/work/libunwind-1.1/tests
--- Lperf-trace ---
libtool: link: cc -O2 -pipe -g -fstack-protector -fno-strict-aliasing =
-fexceptions -Wall -Wsign-compare -fstack-protector -o .libs/Lperf-trace =
Lperf-trace.o ../src/.libs/libunwind.so -lgcc -llzma -Wl,-rpath =
-Wl,/usr/local/lib
--- Gperf-simple ---
libtool: link: cc -O2 -pipe -g -fstack-protector -fno-strict-aliasing =
-fexceptions -Wall -Wsign-compare -fstack-protector -o =
.libs/Gperf-simple Gperf-simple.o ../src/.libs/libunwind-x86_64.so =
/usr/obj/portswork/usr/ports/devel/libunwind/work/libunwind-1.1/src/.libs/=
libunwind.so ../src/.libs/libunwind.so -lgcc -llzma -Wl,-rpath =
-Wl,/usr/local/lib
--- Lperf-trace ---
/usr/bin/ld: error: ./Gperf-trace.c:181: cannot preempt symbol =
'_ULx86_64_init_local' defined in ../src/.libs/libunwind.so
/usr/bin/ld: error: ./Gperf-trace.c:205: cannot preempt symbol =
'_ULx86_64_init_local' defined in ../src/.libs/libunwind.so
/usr/bin/ld: error: ./Gperf-trace.c:238: cannot preempt symbol =
'_ULx86_64_local_addr_space' defined in ../src/.libs/libunwind.so
/usr/bin/ld: error: ./Gperf-trace.c:238: cannot preempt symbol =
'_ULx86_64_set_caching_policy' defined in ../src/.libs/libunwind.so
/usr/bin/ld: error: ./Gperf-trace.c:241: cannot preempt symbol =
'_ULx86_64_local_addr_space' defined in ../src/.libs/libunwind.so
--- Gperf-trace ---
libtool: link: cc -O2 -pipe -g -fstack-protector -fno-strict-aliasing =
-fexceptions -Wall -Wsign-compare -fstack-protector -o .libs/Gperf-trace =
Gperf-trace.o ../src/.libs/libunwind-x86_64.so =
/usr/obj/portswork/usr/ports/devel/libunwind/work/libunwind-1.1/src/.libs/=
libunwind.so ../src/.libs/libunwind.so -lgcc -llzma -Wl,-rpath =
-Wl,/usr/local/lib
--- Lperf-trace ---
/usr/bin/ld: error: ./Gperf-trace.c:241: cannot preempt symbol =
'_ULx86_64_set_caching_policy' defined in ../src/.libs/libunwind.so
/usr/bin/ld: error: ./Gperf-trace.c:244: cannot preempt symbol =
'_ULx86_64_local_addr_space' defined in ../src/.libs/libunwind.so
/usr/bin/ld: error: ./Gperf-trace.c:244: cannot preempt symbol =
'_ULx86_64_set_caching_policy' defined in ../src/.libs/libunwind.so
cc: error: linker command failed with exit code 1 (use -v to see =
invocation)
*** [Lperf-trace] Error code 1
make[2]: stopped in =
/usr/obj/portswork/usr/ports/devel/libunwind/work/libunwind-1.1/tests
--- Gperf-simple ---
/usr/bin/ld: error: Gperf-simple.c:195: cannot preempt symbol =
'_Ux86_64_init_local' defined in ../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-simple.c:219: cannot preempt symbol =
'_Ux86_64_init_local' defined in ../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-simple.c:252: cannot preempt symbol =
'_Ux86_64_local_addr_space' defined in ../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-simple.c:252: cannot preempt symbol =
'_Ux86_64_set_caching_policy' defined in =
../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-simple.c:255: cannot preempt symbol =
'_Ux86_64_local_addr_space' defined in ../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-simple.c:255: cannot preempt symbol =
'_Ux86_64_set_caching_policy' defined in =
../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-simple.c:258: cannot preempt symbol =
'_Ux86_64_local_addr_space' defined in ../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-simple.c:258: cannot preempt symbol =
'_Ux86_64_set_caching_policy' defined in =
../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-simple.c:66: cannot preempt symbol =
'_Ux86_64_init_local' defined in ../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-simple.c:73: cannot preempt symbol =
'_Ux86_64_step' defined in ../src/.libs/libunwind-x86_64.so
--- Gperf-trace ---
/usr/bin/ld: error: Gperf-trace.c:181: cannot preempt symbol =
'_Ux86_64_init_local' defined in ../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-trace.c:205: cannot preempt symbol =
'_Ux86_64_init_local' defined in ../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-trace.c:238: cannot preempt symbol =
'_Ux86_64_local_addr_space' defined in ../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-trace.c:238: cannot preempt symbol =
'_Ux86_64_set_caching_policy' defined in =
../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-trace.c:241: cannot preempt symbol =
'_Ux86_64_local_addr_space' defined in ../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-trace.c:241: cannot preempt symbol =
'_Ux86_64_set_caching_policy' defined in =
../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-trace.c:244: cannot preempt symbol =
'_Ux86_64_local_addr_space' defined in ../src/.libs/libunwind-x86_64.so
/usr/bin/ld: error: Gperf-trace.c:244: cannot preempt symbol =
'_Ux86_64_set_caching_policy' defined in =
../src/.libs/libunwind-x86_64.so
--- Gperf-simple ---
cc: error: linker command failed with exit code 1 (use -v to see =
invocation)
--- Gperf-trace ---
cc: error: linker command failed with exit code 1 (use -v to see =
invocation)
--- Gperf-simple ---
*** [Gperf-simple] Error code 1
make[2]: stopped in =
/usr/obj/portswork/usr/ports/devel/libunwind/work/libunwind-1.1/tests
--- Gperf-trace ---
*** [Gperf-trace] Error code 1
I do have:
# svnlite diff /usr/ports/Mk
Index: /usr/ports/Mk/bsd.port.mk
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- /usr/ports/Mk/bsd.port.mk (revision 436747)
+++ /usr/ports/Mk/bsd.port.mk (working copy)
@@ -1646,7 +1646,11 @@
STRIP_CMD=3D ${TRUE}
.endif
DEBUG_FLAGS?=3D -g
+.if defined(ALLOW_OPTIMIZATIONS_FOR_WITH_DEBUG)
+CFLAGS:=3D ${CFLAGS} ${DEBUG_FLAGS}
+.else
CFLAGS:=3D ${CFLAGS:N-O*:N-fno-strict*} ${DEBUG_FLAGS}
+.endif
.if defined(INSTALL_TARGET)
INSTALL_TARGET:=3D ${INSTALL_TARGET:S/^install-strip$/install/g}
.endif
and use ALLOW_OPTIMIZATIONS_FOR_WITH_DEBUG=3D and WITH_DEBUG=3D :
# more /etc/make.conf=20
WANT_QT_VERBOSE_CONFIGURE=3D1
#
DEFAULT_VERSIONS+=3Dperl5=3D5.24
WRKDIRPREFIX=3D/usr/obj/portswork
#
# =46rom a local /usr/ports/Mk/bsd.port.mk extension:
ALLOW_OPTIMIZATIONS_FOR_WITH_DEBUG=3D
#
.if ${.CURDIR:M*/devel/*llvm*}
#WITH_DEBUG=3D
.elif ${.CURDIR:M*/www/webkit-qt5*}
#WITH_DEBUG=3D
.else
WITH_DEBUG=3D
.endif
WITH_DEBUG_FILES=3D
MALLOC_PRODUCTION=3D
=3D=3D=3D
Mark Millard
markmi at dsl-only.net
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