Paolo Bonzini <pbonz...@redhat.com> writes:
> On 28/01/2016 11:15, Alex Bennée wrote:
>> If for example you want to use the thread sanitizer you want to ensure all
>> binaries are linked with the library:
>>
>> ./configure ${TARGETS} --cc=gcc-5 --cxx=g++-5 \
>> --extra-cflags="-fsanitize=thread" --extra-libs="-ltsan"
>>
>> This is more explicit than just specifying --extra-ldflags which does
>> not get applied at the end of the linker string.
>>
>> Signed-off-by: Alex Bennée <alex.ben...@linaro.org>
>
> Did you find out why you need -ltsan?
Not yet, just on my system it's needed (which is an LTS + GCC PPA).
>
> Paolo
>
>> ---
>> v1
>> - rebase
>> - also ensure it is applied to test builds
>> ---
>> configure | 13 ++++++++++++-
>> 1 file changed, 12 insertions(+), 1 deletion(-)
>>
>> diff --git a/configure b/configure
>> index 44ac9ab..bd29ba7 100755
>> --- a/configure
>> +++ b/configure
>> @@ -113,7 +113,7 @@ compile_object() {
>> compile_prog() {
>> local_cflags="$1"
>> local_ldflags="$2"
>> - do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
>> + do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
>> $EXTRA_LIBS
>> }
>>
>> do_libtool() {
>> @@ -366,6 +366,8 @@ for opt do
>> --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
>> EXTRA_LDFLAGS="$optarg"
>> ;;
>> + --extra-libs=*) EXTRA_LIBS="$optarg"
>> + ;;
>> --enable-debug-info) debug_info="yes"
>> ;;
>> --disable-debug-info) debug_info="no"
>> @@ -786,6 +788,8 @@ for opt do
>> ;;
>> --extra-ldflags=*)
>> ;;
>> + --extra-libs=*)
>> + ;;
>> --enable-debug-info)
>> ;;
>> --disable-debug-info)
>> @@ -1282,6 +1286,7 @@ Advanced options (experts only):
>> --objcc=OBJCC use Objective-C compiler OBJCC [$objcc]
>> --extra-cflags=CFLAGS append extra C compiler flags QEMU_CFLAGS
>> --extra-ldflags=LDFLAGS append extra linker flags LDFLAGS
>> + --extra-libs=LIBS append extra libraries when linking
>> --make=MAKE use specified make [$make]
>> --install=INSTALL use specified install [$install]
>> --python=PYTHON use specified python [$python]
>> @@ -4715,6 +4720,11 @@ fi
>> QEMU_CFLAGS="$pixman_cflags $fdt_cflags $QEMU_CFLAGS"
>> libs_softmmu="$pixman_libs $libs_softmmu"
>>
>> +# extra-libs
>> +LIBS="$LIBS $EXTRA_LIBS"
>> +libs_softmmu="$libs_softmmu $EXTRA_LIBS"
>> +libs_qga="$libs_qga $EXTRA_LIBS"
>> +
>> echo "Install prefix $prefix"
>> echo "BIOS directory `eval echo $qemu_datadir`"
>> echo "binary directory `eval echo $bindir`"
>> @@ -4885,6 +4895,7 @@ fi
>> echo "qemu_helperdir=$libexecdir" >> $config_host_mak
>> echo "extra_cflags=$EXTRA_CFLAGS" >> $config_host_mak
>> echo "extra_ldflags=$EXTRA_LDFLAGS" >> $config_host_mak
>> +echo "extra_libs=$EXTRA_LIBS" >> $config_host_mak
>> echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
>> echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
>>
>>
--
Alex Bennée
