#25304: Update gcc to 6.4.0
-------------------------------------------------+-------------------------
Reporter: boklm | Owner: tbb-
| team
Type: task | Status: new
Priority: Very High | Milestone:
Component: Applications/Tor Browser | Version:
Severity: Normal | Resolution:
Keywords: tbb-rbm, TorBrowserTeam201802, | Actual Points:
boklm201802 |
Parent ID: | Points:
Reviewer: | Sponsor:
-------------------------------------------------+-------------------------
Comment (by boklm):
After updating gcc to 6.4.0, gcc fails to build with this error:
{{{
g++ -std=gnu++98 -fno-PIE -c -g -DIN_GCC -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wno-format -Wm
issing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -fno-common -DHAVE_CONFIG_H
-I. -I. -I../.././gcc -I.
./.././gcc/. -I../.././gcc/../include -I../.././gcc/../libcpp/include
-I../.././gcc/../libdecnumber -I../.././gcc/../libdecnumber/bid
-I../libdecnumber -I../.././gcc/..
/libbacktrace -o insn-attrtab.o -MT insn-attrtab.o -MMD -MP -MF ./.deps
/insn-attrtab.TPo insn-attrtab.c
g++ -std=gnu++98 -fno-PIE -c -g -DIN_GCC -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wno-format -Wm
issing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -fno-common -DHAVE_CONFIG_H
-I. -I. -I../.././gcc -I.
./.././gcc/. -I../.././gcc/../include -I../.././gcc/../libcpp/include
-I../.././gcc/../libdecnumber -I../.././gcc/../libdecnumber/bid
-I../libdecnumber -I../.././gcc/..
/libbacktrace -o insn-automata.o -MT insn-automata.o -MMD -MP -MF
./.deps/insn-automata.TPo insn-automata.c
g++ -std=gnu++98 -fno-PIE -c -g -DIN_GCC -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wno-format -Wm
issing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -fno-common -DHAVE_CONFIG_H
-I. -I. -I../.././gcc -I.
./.././gcc/. -I../.././gcc/../include -I../.././gcc/../libcpp/include
-I../.././gcc/../libdecnumber -I../.././gcc/../libdecnumber/bid
-I../libdecnumber -I../.././gcc/..
/libbacktrace -o insn-dfatab.o -MT insn-dfatab.o -MMD -MP -MF ./.deps
/insn-dfatab.TPo insn-dfatab.c
g++ -std=gnu++98 -fno-PIE -c -g -DIN_GCC -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wno-format -Wm
issing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -fno-common -DHAVE_CONFIG_H
-I. -I. -I../.././gcc -I.
./.././gcc/. -I../.././gcc/../include -I../.././gcc/../libcpp/include
-I../.././gcc/../libdecnumber -I../.././gcc/../libdecnumber/bid
-I../libdecnumber -I../.././gcc/..
/libbacktrace -o insn-latencytab.o -MT insn-latencytab.o -MMD -MP -MF
./.deps/insn-latencytab.TPo insn-latencytab.c
g++ -std=gnu++98 -g -DIN_GCC -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wno-format -Wmissing-form
at-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wno-variadic-
macros -Wno-overlength-strings -fno-common -DHAVE_CONFIG_H -static-
libstdc++ -static-libgcc gc
ov.o \
hash-table.o ggc-none.o libcommon.a ../libcpp/libcpp.a
../libbacktrace/.libs/libbacktrace.a ../libiberty/libiberty.a
../libdecnumber/libdecnumber.a -o
gcov
/usr/bin/ld.bfd.real: gcov.o: relocation R_X86_64_32 against `.rodata' can
not be used when making a shared object; recompile with -fPIC
gcov.o: could not read symbols: Bad value
collect2: error: ld returned 1 exit status
make[3]: *** [gcov] Error 1
}}}
The gcc build is fixed when setting `DEB_BUILD_HARDENING_PIE=0` in
`projects/gcc/build`.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25304#comment:1>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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