pci: Unregister BARs before device exit

[qemu.git] / configure

diff --git a/configure b/configure
index fd424ef0e9e4fa19fe2dd20b0200f1d1189a3be4..1f338f8dcee8fecfcf5512902b0bf75c3a33ebdf 100755 (executable)
--- a/configure
+++ b/configure
@@ -1006,7 +1006,7 @@ echo "  --datadir=PATH           install firmware in PATH$confsuffix"
 echo "  --docdir=PATH            install documentation in PATH$confsuffix"
 echo "  --bindir=PATH            install binaries in PATH"
 echo "  --sysconfdir=PATH        install config in PATH$confsuffix"
-echo "  --with-confsuffix=SUFFIX      suffix for Qemu data inside datadir and sysconfdir [$confsuffix]"
+echo "  --with-confsuffix=SUFFIX suffix for QEMU data inside datadir and sysconfdir [$confsuffix]"
 echo "  --enable-debug-tcg       enable TCG debugging"
 echo "  --disable-debug-tcg      disable TCG debugging (default)"
 echo "  --enable-debug           enable common debug build options"
@@ -2831,6 +2831,21 @@ if compile_prog "" "" ; then
     linux_magic_h=yes
 fi
 
+########################################
+# check if environ is declared
+
+has_environ=no
+cat > $TMPC << EOF
+#include <unistd.h>
+int main(void) {
+    environ = environ;
+    return 0;
+}
+EOF
+if compile_prog "" "" ; then
+    has_environ=yes
+fi
+
 ##########################################
 # End of CC checks
 # After here, no more $cc or $ld runs
@@ -2895,14 +2910,15 @@ tools=
 if test "$softmmu" = yes ; then
   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) $tools"
   if test "$virtfs" != no ; then
-      if test "$cap" = yes && test "$linux" = yes && test "$attr" = yes ; then
-         virtfs=yes
-         tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
-      else
-         if test "$virtfs" = yes; then
-             feature_not_found "virtfs"
-         fi
+    if test "$cap" = yes && test "$linux" = yes && test "$attr" = yes ; then
+      virtfs=yes
+      tools="$tools fsdev/virtfs-proxy-helper\$(EXESUF)"
+    else
+      if test "$virtfs" = yes; then
+        feature_not_found "virtfs"
       fi
+      virtfs=no
+    fi
   fi
   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
       tools="qemu-nbd\$(EXESUF) $tools"
@@ -3341,6 +3357,10 @@ if test "$linux_magic_h" = "yes" ; then
   echo "CONFIG_LINUX_MAGIC_H=y" >> $config_host_mak
 fi
 
+if test "$has_environ" = "yes" ; then
+  echo "CONFIG_HAS_ENVIRON=y" >> $config_host_mak
+fi
+
 # USB host support
 case "$usb" in
 linux)