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?
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
>
>
