target/i386: Return 'indefinite integer value' for invalid SSE fp->int conversions

[mirror_qemu.git] / configure

diff --git a/configure b/configure
index 5c7914570e9f1ecc9707e29ce66f5b9e2af14b94..942a73b79593f5f15be58e21c6c8f46acfe48dd9 100755 (executable)
--- a/configure
+++ b/configure
@@ -276,10 +276,15 @@ ld_has() {
     $ld --help 2>/dev/null | grep ".$1" >/dev/null 2>&1
 }
 
-# default parameters
-source_path=$(dirname "$0")
 # make source path absolute
-source_path=$(cd "$source_path"; pwd)
+source_path=$(cd "$(dirname -- "$0")"; pwd)
+
+if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
+then
+  error_exit "main directory cannot contain spaces nor colons"
+fi
+
+# default parameters
 cpu=""
 iasl="iasl"
 interp_prefix="/usr/gnemul/qemu-%M"
@@ -289,6 +294,7 @@ audio_drv_list=""
 block_drv_rw_whitelist=""
 block_drv_ro_whitelist=""
 host_cc="cc"
+libs_cpu=""
 libs_softmmu=""
 libs_tools=""
 audio_pt_int=""
@@ -317,7 +323,7 @@ else
         echo "to acquire QEMU source archives. Non-GIT builds are only"
         echo "supported with source archives linked from:"
         echo
-        echo "  https://www.qemu.org/download/"
+        echo "  https://www.qemu.org/download/#source"
         echo
         echo "Developers working with GIT can use scripts/archive-source.sh"
         echo "if they need to create valid source archives."
@@ -1746,7 +1752,7 @@ disabled with --disable-FEATURE, default is enabled if available:
   guest-agent     build the QEMU Guest Agent
   guest-agent-msi build guest agent Windows MSI installation package
   pie             Position Independent Executables
-  modules         modules support
+  modules         modules support (non-Windows)
   debug-tcg       TCG debugging (default is disabled)
   debug-info      debugging information
   sparse          sparse checker
@@ -2001,6 +2007,11 @@ else
   QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
 fi
 
+# Our module code doesn't support Windows
+if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
+  error_exit "Modules are not available for Windows"
+fi
+
 # Static linking is not possible with modules or PIE
 if test "$static" = "yes" ; then
   if test "$modules" = "yes" ; then
@@ -5037,12 +5048,12 @@ case "$capstone" in
     else
       LIBCAPSTONE=libcapstone.a
     fi
-    LIBS="-L\$(BUILD_DIR)/capstone -lcapstone $LIBS"
+    libs_cpu="-L\$(BUILD_DIR)/capstone -lcapstone $libs_cpu"
     ;;
 
   system)
     QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags capstone)"
-    LIBS="$($pkg_config --libs capstone) $LIBS"
+    libs_cpu="$($pkg_config --libs capstone) $libs_cpu"
     ;;
 
   no)
@@ -5130,7 +5141,7 @@ fi
 sem_timedwait=no
 cat > $TMPC << EOF
 #include <semaphore.h>
-int main(void) { return sem_timedwait(0, 0); }
+int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
 EOF
 if compile_prog "" "" ; then
     sem_timedwait=yes
@@ -6497,6 +6508,14 @@ if test "$supported_os" = "no"; then
     echo "us upstream at qemu-devel@nongnu.org."
 fi
 
+# Note that if the Python conditional here evaluates True we will exit
+# with status 1 which is a shell 'false' value.
+if ! $python -c 'import sys; sys.exit(sys.version_info < (3,0))'; then
+  echo
+  echo "warning: Python 2 support is deprecated" >&2
+  echo "warning: Python 3 will be required for building future versions of QEMU" >&2
+fi
+
 config_host_mak="config-host.mak"
 
 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
@@ -6524,6 +6543,7 @@ echo "qemu_helperdir=$libexecdir" >> $config_host_mak
 echo "qemu_localedir=$qemu_localedir" >> $config_host_mak
 echo "qemu_icondir=$qemu_icondir" >> $config_host_mak
 echo "qemu_desktopdir=$qemu_desktopdir" >> $config_host_mak
+echo "libs_cpu=$libs_cpu" >> $config_host_mak
 echo "libs_softmmu=$libs_softmmu" >> $config_host_mak
 echo "GIT=$git" >> $config_host_mak
 echo "GIT_SUBMODULES=$git_submodules" >> $config_host_mak
@@ -6604,7 +6624,7 @@ if test "$slirp" != "no"; then
   echo "SLIRP_LIBS=$slirp_libs" >> $config_host_mak
 fi
 if [ "$slirp" = "git" -o "$slirp" = "internal" ]; then
-    echo "config-host.h: subdir-slirp" >> $config_host_mak
+    echo "config-host.h: slirp/all" >> $config_host_mak
 fi
 if test "$vde" = "yes" ; then
   echo "CONFIG_VDE=y" >> $config_host_mak
@@ -7146,7 +7166,7 @@ if test "$live_block_migration" = "yes" ; then
 fi
 
 if test "$tpm" = "yes"; then
-  echo 'CONFIG_TPM=$(CONFIG_SOFTMMU)' >> $config_host_mak
+  echo 'CONFIG_TPM=y' >> $config_host_mak
 fi
 
 echo "TRACE_BACKENDS=$trace_backends" >> $config_host_mak
@@ -7411,11 +7431,16 @@ for target in $target_list; do
 target_dir="$target"
 config_target_mak=$target_dir/config-target.mak
 target_name=$(echo $target | cut -d '-' -f 1)
+target_aligned_only="no"
+case "$target_name" in
+  alpha|hppa|mips64el|mips64|mipsel|mips|mipsn32|mipsn32el|sh4|sh4eb|sparc|sparc64|sparc32plus|xtensa|xtensaeb)
+  target_aligned_only="yes"
+  ;;
+esac
 target_bigendian="no"
-
 case "$target_name" in
   armeb|aarch64_be|hppa|lm32|m68k|microblaze|mips|mipsn32|mips64|moxie|or1k|ppc|ppc64|ppc64abi32|s390x|sh4eb|sparc|sparc64|sparc32plus|xtensaeb)
-  target_bigendian=yes
+  target_bigendian="yes"
   ;;
 esac
 target_softmmu="no"
@@ -7697,6 +7722,9 @@ fi
 if supported_whpx_target $target; then
     echo "CONFIG_WHPX=y" >> $config_target_mak
 fi
+if test "$target_aligned_only" = "yes" ; then
+  echo "TARGET_ALIGNED_ONLY=y" >> $config_target_mak
+fi
 if test "$target_bigendian" = "yes" ; then
   echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak
 fi
@@ -7876,10 +7904,10 @@ if test -n "$enabled_cross_compilers"; then
 fi
 
 if [ "$fdt" = "git" ]; then
-  echo "config-host.h: subdir-dtc" >> $config_host_mak
+  echo "config-host.h: dtc/all" >> $config_host_mak
 fi
 if [ "$capstone" = "git" -o "$capstone" = "internal" ]; then
-  echo "config-host.h: subdir-capstone" >> $config_host_mak
+  echo "config-host.h: capstone/all" >> $config_host_mak
 fi
 if test -n "$LIBCAPSTONE"; then
   echo "LIBCAPSTONE=$LIBCAPSTONE" >> $config_host_mak