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tests/tcg: don't allow clang as a cross compiler 

Currently there are two problems.

The first is clang generates a preamble (that is always executed) to
stack xmm registers. This causes a ILLOP on the x86_64 softmmu tests
as SSE isn't enabled.

The second is the inline assembler in test-i386.c breaks clangs
compiler and I don't know how to fix it. Even with Theodore's patch
series (D5741445-7EFD-4AF1-8DB2-E4AFA93CBB1A@icloud.com) I still get
compiler failures.

For now lets just skip clang and allow it to fall back to the
containers which we know have compilers which work.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210512102051.12134-31-alex.bennee@linaro.org>
This commit is contained in:
Alex Bennée 2021-05-12 11:20:50 +01:00
parent ec6b219a4e
commit cf22f936f2
1 changed files with 22 additions and 11 deletions
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33
tests/tcg/configure.sh
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@ -82,6 +82,9 @@ for target in $target_list; do
container_cross_as=
container_cross_ld=
# suppress clang
supress_clang=
case $target in
aarch64-*)
# We don't have any bigendian build tools so we only use this for AArch64
@ -119,6 +122,7 @@ for target in $target_list; do
container_hosts=x86_64
container_image=fedora-i386-cross
container_cross_cc=gcc
supress_clang=yes
;;
m68k-*)
container_hosts=x86_64
@ -186,6 +190,7 @@ for target in $target_list; do
container_hosts="aarch64 ppc64el x86_64"
container_image=debian-amd64-cross
container_cross_cc=x86_64-linux-gnu-gcc
supress_clang=yes
;;
xtensa*-softmmu)
container_hosts=x86_64
@ -200,6 +205,7 @@ for target in $target_list; do
echo "# Automatically generated by configure - do not modify" > $config_target_mak
echo "TARGET_NAME=$arch" >> $config_target_mak
echo "target=$target" >> $config_target_mak
case $target in
*-linux-user | *-bsd-user)
echo "CONFIG_USER_ONLY=y" >> $config_target_mak
@ -219,21 +225,26 @@ for target in $target_list; do
if eval test "x\${cross_cc_$arch}" != xyes; then
eval "target_compiler=\${cross_cc_$arch}"
if has $target_compiler; then
write_c_skeleton
if ! do_compiler "$target_compiler" $target_compiler_cflags \
-o $TMPE $TMPC -static ; then
# For host systems we might get away with building without -static
if do_compiler "$target_compiler" $target_compiler_cflags \
-o $TMPE $TMPC ; then
if has "$target_compiler"; then
if test "$supress_clang" = yes &&
$target_compiler --version | grep -qi "clang"; then
got_cross_cc=no
else
write_c_skeleton
if ! do_compiler "$target_compiler" $target_compiler_cflags \
-o $TMPE $TMPC -static ; then
# For host systems we might get away with building without -static
if do_compiler "$target_compiler" $target_compiler_cflags \
-o $TMPE $TMPC ; then
got_cross_cc=yes
echo "CROSS_CC_GUEST_STATIC=y" >> $config_target_mak
echo "CROSS_CC_GUEST=$target_compiler" >> $config_target_mak
fi
else
got_cross_cc=yes
echo "CROSS_CC_GUEST_STATIC=y" >> $config_target_mak
echo "CROSS_CC_GUEST=$target_compiler" >> $config_target_mak
fi
else
got_cross_cc=yes
echo "CROSS_CC_GUEST_STATIC=y" >> $config_target_mak
echo "CROSS_CC_GUEST=$target_compiler" >> $config_target_mak
fi
fi
fi