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Look for gcc3 (Anthony Liguori).

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2249 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2006-12-19 03:31:34 +00:00
parent 67d3b957e6
commit 328a42406d
1 changed files with 42 additions and 17 deletions
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59
configure vendored
View file

@ -22,6 +22,8 @@ interp_prefix="/usr/gnemul/qemu-%M"
static="no"
cross_prefix=""
cc="gcc"
gcc3_search="yes"
gcc3_list="gcc-3.4 gcc34 gcc-3.3 gcc33 gcc-3.2 gcc32"
host_cc="gcc"
ar="ar"
make="make"
@ -178,6 +180,7 @@ for opt do
--cross-prefix=*) cross_prefix="$optarg"
;;
--cc=*) cc="$optarg"
gcc3_search="no"
;;
--host-cc=*) host_cc="$optarg"
;;
@ -314,6 +317,45 @@ if test "$mingw32" = "yes" ; then
fi
fi
# Check for gcc4, error if pre-gcc4
if test "$check_gcc" = "yes" ; then
cat > $TMPC <<EOF
#if __GNUC__ < 4
#error gcc3
#endif
int main(){return 0;}
EOF
check_cc() {
which "$1" >&/dev/null
return $?
}
if "$cc" -o $TMPE $TMPC 2>/dev/null ; then
echo "WARNING: \"$cc\" looks like gcc 4.x"
found_compat_cc="no"
if test "$gcc3_search" = "yes" ; then
echo "Looking for gcc 3.x"
for compat_cc in $gcc3_list ; do
if check_cc "$compat_cc" ; then
echo "Found \"$compat_cc\""
cc="$compat_cc"
found_compat_cc="yes"
break
fi
done
if test "$found_compat_cc" = "no" ; then
echo "gcc 3.x not found!"
fi
fi
if test "$found_compat_cc" = "no" ; then
echo "QEMU is known to have problems when compiled with gcc 4.x"
echo "It is recommended that you use gcc 3.x to build QEMU"
echo "To use this compiler anyway, configure with --disable-gcc-check"
exit 1;
fi
fi
fi
#
# Solaris specific configure tool chain decisions
#
@ -416,23 +458,6 @@ if $cc -fno-reorder-blocks -fno-optimize-sibling-calls -o $TMPO $TMPC 2> /dev/nu
have_gcc3_options="yes"
fi
# Check for gcc4, error if pre-gcc4
if test "$check_gcc" = "yes" ; then
cat > $TMPC <<EOF
#if __GNUC__ < 4
#error gcc3
#endif
int main(){return 0;}
EOF
if $cc -o $TMPO $TMPC 2>/dev/null ; then
echo "ERROR: \"$cc\" looks like gcc 4.x"
echo "QEMU is known to have problems when compiled with gcc 4.x"
echo "It is recommended that you use gcc 3.x to build QEMU"
echo "To use this compiler anyway, configure with --disable-gcc-check"
exit 1;
fi
fi
##########################################
# SDL probe