- Issue #3754: Use readelf instead of ldd for the cross build readline check

This commit is contained in:
doko@ubuntu.com 2012-06-30 18:25:32 +02:00
parent f2967c73ad
commit 5884449539
4 changed files with 135 additions and 6 deletions

111
configure vendored
View file

@ -646,6 +646,8 @@ INSTALL_SCRIPT
INSTALL_PROGRAM
HAS_PYTHON
DISABLE_ASDLGEN
ac_ct_READELF
READELF
ARFLAGS
ac_ct_AR
AR
@ -5742,6 +5744,115 @@ then
ARFLAGS="rc"
fi
if test -n "$ac_tool_prefix"; then
for ac_prog in readelf
do
# Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
set dummy $ac_tool_prefix$ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_READELF+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$READELF"; then
ac_cv_prog_READELF="$READELF" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
IFS=$as_save_IFS
test -z "$as_dir" && as_dir=.
for ac_exec_ext in '' $ac_executable_extensions; do
if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
ac_cv_prog_READELF="$ac_tool_prefix$ac_prog"
$as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
break 2
fi
done
done
IFS=$as_save_IFS
fi
fi
READELF=$ac_cv_prog_READELF
if test -n "$READELF"; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $READELF" >&5
$as_echo "$READELF" >&6; }
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi
test -n "$READELF" && break
done
fi
if test -z "$READELF"; then
ac_ct_READELF=$READELF
for ac_prog in readelf
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
if ${ac_cv_prog_ac_ct_READELF+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$ac_ct_READELF"; then
ac_cv_prog_ac_ct_READELF="$ac_ct_READELF" # Let the user override the test.
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH
do
IFS=$as_save_IFS
test -z "$as_dir" && as_dir=.
for ac_exec_ext in '' $ac_executable_extensions; do
if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
ac_cv_prog_ac_ct_READELF="$ac_prog"
$as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
break 2
fi
done
done
IFS=$as_save_IFS
fi
fi
ac_ct_READELF=$ac_cv_prog_ac_ct_READELF
if test -n "$ac_ct_READELF"; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_READELF" >&5
$as_echo "$ac_ct_READELF" >&6; }
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
fi
test -n "$ac_ct_READELF" && break
done
if test "x$ac_ct_READELF" = x; then
READELF=":"
else
case $cross_compiling:$ac_tool_warned in
yes:)
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
ac_tool_warned=yes ;;
esac
READELF=$ac_ct_READELF
fi
fi
if test "$cross_compiling" = yes; then
case "$READELF" in
readelf|:)
as_fn_error $? "readelf for the host is required for cross builds" "$LINENO" 5
;;
esac
fi
DISABLE_ASDLGEN=""
# Extract the first word of "python", so it can be a program name with args.