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configure: Don't run Xen compile checks in subshells 

The Xen compile checks are currently run inside subshells. This
is unnecessary and has the effect that if do_cc() exits with
an error message then this only causes the subshell to exit,
not the whole of configure, which is confusing. Remove the
subshells, changing:
  if ( cat ; compile_prog ) ; then ...
to
  if cat && compile_prog ; then ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Peter Maydell 2012-08-02 18:30:26 +01:00 committed by Blue Swirl
parent ee785fed5d
commit 69deef089d
1 changed files with 15 additions and 15 deletions
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30
configure vendored
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@ -1396,8 +1396,8 @@ EOF
xen=no
# Xen unstable
elif (
cat > $TMPC <<EOF
elif
cat > $TMPC <<EOF &&
#include <xenctrl.h>
#include <xenstore.h>
#include <stdint.h>
@ -1417,12 +1417,12 @@ int main(void) {
}
EOF
compile_prog "" "$xen_libs"
) ; then
then
xen_ctrl_version=420
xen=yes
elif (
cat > $TMPC <<EOF
elif
cat > $TMPC <<EOF &&
#include <xenctrl.h>
#include <xs.h>
#include <stdint.h>
@ -1441,13 +1441,13 @@ int main(void) {
}
EOF
compile_prog "" "$xen_libs"
) ; then
then
xen_ctrl_version=410
xen=yes
# Xen 4.0.0
elif (
cat > $TMPC <<EOF
elif
cat > $TMPC <<EOF &&
#include <xenctrl.h>
#include <xs.h>
#include <stdint.h>
@ -1468,13 +1468,13 @@ int main(void) {
}
EOF
compile_prog "" "$xen_libs"
) ; then
then
xen_ctrl_version=400
xen=yes
# Xen 3.4.0
elif (
cat > $TMPC <<EOF
elif
cat > $TMPC <<EOF &&
#include <xenctrl.h>
#include <xs.h>
int main(void) {
@ -1490,13 +1490,13 @@ int main(void) {
}
EOF
compile_prog "" "$xen_libs"
) ; then
then
xen_ctrl_version=340
xen=yes
# Xen 3.3.0
elif (
cat > $TMPC <<EOF
elif
cat > $TMPC <<EOF &&
#include <xenctrl.h>
#include <xs.h>
int main(void) {
@ -1508,7 +1508,7 @@ int main(void) {
}
EOF
compile_prog "" "$xen_libs"
) ; then
then
xen_ctrl_version=330
xen=yes