TMPC="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.c"
TMPB="qemu-conf-${RANDOM}-$$-${RANDOM}"
TMPO="${TMPDIR1}/${TMPB}.o"
+TMPCXX="${TMPDIR1}/${TMPB}.cxx"
TMPL="${TMPDIR1}/${TMPB}.lo"
TMPA="${TMPDIR1}/lib${TMPB}.la"
TMPE="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.exe"
# NB: do not call "exit" in the trap handler; this is buggy with some shells;
-trap "rm -f $TMPC $TMPO $TMPE" EXIT INT QUIT TERM
+trap "rm -f $TMPC $TMPO $TMPCXX $TMPE" EXIT INT QUIT TERM
rm -f config.log
# Print a helpful header at the top of config.log
exit 1
}
-do_cc() {
- # Run the compiler, capturing its output to the log.
- echo $cc "$@" >> config.log
- $cc "$@" >> config.log 2>&1 || return $?
+do_compiler() {
+ # Run the compiler, capturing its output to the log. First argument
+ # is compiler binary to execute.
+ local compiler="$1"
+ shift
+ echo $compiler "$@" >> config.log
+ $compiler "$@" >> config.log 2>&1 || return $?
# Test passed. If this is an --enable-werror build, rerun
# the test with -Werror and bail out if it fails. This
# makes warning-generating-errors in configure test code
return 0
;;
esac
- echo $cc -Werror "$@" >> config.log
- $cc -Werror "$@" >> config.log 2>&1 && return $?
+ echo $compiler -Werror "$@" >> config.log
+ $compiler -Werror "$@" >> config.log 2>&1 && return $?
error_exit "configure test passed without -Werror but failed with -Werror." \
"This is probably a bug in the configure script. The failing command" \
"will be at the bottom of config.log." \
"You can run configure with --disable-werror to bypass this check."
}
+do_cc() {
+ do_compiler "$cc" "$@"
+}
+
+do_cxx() {
+ do_compiler "$cxx" "$@"
+}
+
+update_cxxflags() {
+ # Set QEMU_CXXFLAGS from QEMU_CFLAGS by filtering out those
+ # options which some versions of GCC's C++ compiler complain about
+ # because they only make sense for C programs.
+ QEMU_CXXFLAGS=
+ for arg in $QEMU_CFLAGS; do
+ case $arg in
+ -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
+ -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
+ ;;
+ *)
+ QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
+ ;;
+ esac
+ done
+}
+
compile_object() {
do_cc $QEMU_CFLAGS -c -o $TMPO $TMPC
}
netmap="no"
pixman=""
sdl=""
+sdlabi="1.2"
virtfs=""
vnc="yes"
sparse="no"
}
pkg_config=query_pkg_config
sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
+sdl2_config="${SDL2_CONFIG-${cross_prefix}sdl2-config}"
# If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
ARFLAGS="${ARFLAGS-rv}"
# default flags for all hosts
-QEMU_CFLAGS="-fno-strict-aliasing $QEMU_CFLAGS"
+QEMU_CFLAGS="-fno-strict-aliasing -fno-common $QEMU_CFLAGS"
QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
;;
--enable-sdl) sdl="yes"
;;
+ --with-sdlabi=*) sdlabi="$optarg"
+ ;;
--disable-qom-cast-debug) qom_cast_debug="no"
;;
--enable-qom-cast-debug) qom_cast_debug="yes"
--disable-werror disable compilation abort on warning
--disable-sdl disable SDL
--enable-sdl enable SDL
+ --with-sdlabi select preferred SDL ABI 1.2 or 2.0
--disable-gtk disable gtk UI
--enable-gtk enable gtk UI
--disable-virtfs disable VirtFS
fi
fi
+# Consult white-list to determine whether to enable werror
+# by default. Only enable by default for git builds
+z_version=`cut -f3 -d. $source_path/VERSION`
+
+if test -z "$werror" ; then
+ if test -d "$source_path/.git" -a \
+ "$linux" = "yes" ; then
+ werror="yes"
+ else
+ werror="no"
+ fi
+fi
+
# check that the C compiler works.
cat > $TMPC <<EOF
int main(void) { return 0; }
compile_object
- cat > $TMPC <<EOF
+ cat > $TMPCXX <<EOF
extern "C" {
int c_function(void);
}
int c_function(void) { return 42; }
EOF
- if (cc=$cxx do_cc $QEMU_CFLAGS -o $TMPE $TMPC $TMPO $LDFLAGS); then
+ update_cxxflags
+
+ if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
# C++ compiler $cxx works ok with C compiler $cc
:
else
cxx=
fi
-# Consult white-list to determine whether to enable werror
-# by default. Only enable by default for git builds
-z_version=`cut -f3 -d. $source_path/VERSION`
-
-if test -z "$werror" ; then
- if test -d "$source_path/.git" -a \
- "$linux" = "yes" ; then
- werror="yes"
- else
- werror="no"
- fi
-fi
-
gcc_flags="-Wold-style-declaration -Wold-style-definition -Wtype-limits"
gcc_flags="-Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers $gcc_flags"
gcc_flags="-Wmissing-include-dirs -Wempty-body -Wnested-externs $gcc_flags"
# Look for sdl configuration program (pkg-config or sdl-config). Try
# sdl-config even without cross prefix, and favour pkg-config over sdl-config.
-if test "`basename $sdl_config`" != sdl-config && ! has ${sdl_config}; then
- sdl_config=sdl-config
+
+if test $sdlabi = "2.0"; then
+ sdl_config=$sdl2_config
+ sdlname=sdl2
+ sdlconfigname=sdl2_config
+else
+ sdlname=sdl
+ sdlconfigname=sdl_config
+fi
+
+if test "`basename $sdl_config`" != $sdlconfigname && ! has ${sdl_config}; then
+ sdl_config=$sdlconfigname
fi
-if $pkg_config sdl --exists; then
- sdlconfig="$pkg_config sdl"
+if $pkg_config $sdlname --exists; then
+ sdlconfig="$pkg_config $sdlname"
_sdlversion=`$sdlconfig --modversion 2>/dev/null | sed 's/[^0-9]//g'`
elif has ${sdl_config}; then
sdlconfig="$sdl_config"
projects / qemu.git / blobdiff