[tor-bugs] #14988 [Tor]: tor 0.2.5 does not build on s390 with picky gcc

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#14988: tor 0.2.5 does not build on s390 with picky gcc
--------------------+-------------------------------
 Reporter:  weasel  |          Owner:
     Type:  defect  |         Status:  new
 Priority:  normal  |      Milestone:
Component:  Tor     |        Version:  Tor: 0.2.5.10
 Keywords:          |  Actual Points:
Parent ID:          |         Points:
--------------------+-------------------------------
 https://jenkins.torproject.org/job/tor-ci-
 linux-0.2.5-extra-s390/ARCHITECTURE=s390x,SUITE=jessie/5/consoleFull

 {{{
 5:31:08 depbase=`echo src/common/backtrace.o | sed
 's|[^/]*$|.deps/&|;s|\.o$||'`;\
 15:31:08 gcc -DHAVE_CONFIG_H -I. -I../tor  -I../tor/src/ext -Isrc/ext
 -I../tor/src/common -Isrc/common -I../tor/src/or -Isrc/or
 -DSHARE_DATADIR="\"/usr/local/share\""
 -DLOCALSTATEDIR="\"/usr/local/var\"" -DBINDIR="\"/usr/local/bin\""
 -I../tor/src/common     -g -O2 -D_FORTIFY_SOURCE=2 -fstack-protector-all
 -Wstack-protector -fwrapv --param ssp-buffer-size=1 -fPIE -fasynchronous-
 unwind-tables -Wall -fno-strict-aliasing -W -Wfloat-equal -Wundef
 -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings
 -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings
 -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-
 cast -Wswitch-enum -Werror -Winit-self -Wmissing-field-initializers
 -Wdeclaration-after-statement -Wold-style-definition -Waddress -Wmissing-
 noreturn -Wstrict-overflow=1 -Wnormalized=id -Woverride-init -Wextra
 -Warray-bounds -Wlogical-op -MT src/common/backtrace.o -MD -MP -MF
 $depbase.Tpo -c -o src/common/backtrace.o ../tor/src/common/backtrace.c
 &&\
 15:31:08 mv -f $depbase.Tpo $depbase.Po
 15:31:11 ../tor/src/common/backtrace.c: In function 'clean_backtrace':
 15:31:11 ../tor/src/common/backtrace.c:65:24: error: unused parameter
 'stack' [-Werror=unused-parameter]
 15:31:11  clean_backtrace(void **stack, int depth, const ucontext_t *ctx)
 15:31:11                         ^
 15:31:14 cc1: all warnings being treated as errors
 15:31:14 Makefile:2365: recipe for target 'src/common/backtrace.o' failed
 15:31:14 make[1]: *** [src/common/backtrace.o] Error 1
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/14988>
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