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Find readelf with AC_CHECK_TOOL for use in configure tests.

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This commit is contained in:
Roland McGrath 2011-07-09 04:06:34 -07:00
parent 8538fdb3ec
commit d30cf5bb00
3 changed files with 106 additions and 4 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
2011-07-09 Roland McGrath <roland@hack.frob.com>
* configure.in (READELF): Find it with AC_CHECK_TOOL.
Update tests that use readelf to use $READELF instead.
* configure: Regenerated.
2011-07-08 Ulrich Drepper <drepper@gmail.com>
* malloc/hooks.c (memalign_check): Avoid using checked_request2size

98
configure vendored
View File

@ -669,6 +669,7 @@ libc_cv_gcc_static_libgcc
CXX_SYSINCLUDES
SYSINCLUDES
AUTOCONF
READELF
SED
MAKEINFO
MSGFMT
@ -5226,6 +5227,99 @@ if test $ac_verc_fail = yes; then
fi
if test -n "$ac_tool_prefix"; then
# Extract the first word of "${ac_tool_prefix}readelf", so it can be a program name with args.
set dummy ${ac_tool_prefix}readelf; 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}readelf"
$as_echo "$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
$as_echo "no" >&6; }
fi
fi
if test -z "$ac_cv_prog_READELF"; then
ac_ct_READELF=$READELF
# Extract the first word of "readelf", so it can be a program name with args.
set dummy readelf; 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="readelf"
$as_echo "$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
$as_echo "no" >&6; }
fi
if test "x$ac_ct_READELF" = x; then
READELF="false"
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=$ac_ct_READELF
fi
else
READELF="$ac_cv_prog_READELF"
fi
for ac_prog in autoconf
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
@ -6102,7 +6196,7 @@ EOF
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
then
if readelf -S conftest | fgrep INIT_ARRAY > /dev/null; then
if $READELF -S conftest | fgrep INIT_ARRAY > /dev/null; then
libc_cv_initfini_array=yes
else
libc_cv_initfini_array=no
@ -6414,7 +6508,7 @@ EOF
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
then
if readelf -S conftest.so | grep '\.rel\(a\|\)\.dyn' > /dev/null; then
if $READELF -S conftest.so | grep '\.rel\(a\|\)\.dyn' > /dev/null; then
libc_cv_z_combreloc=yes
else
libc_cv_z_combreloc=no

6
configure.in
View File

@ -1046,6 +1046,8 @@ AC_CHECK_PROG_VER(SED, sed, --version,
[3.0[2-9]*|3.[1-9]*|[4-9]*],
SED=: aux_missing="$aux_missing sed")
AC_CHECK_TOOL(READELF, readelf, false)
AC_CHECK_PROGS(AUTOCONF, autoconf, no)
case "x$AUTOCONF" in
xno|x|x:) AUTOCONF=no ;;
@ -1469,7 +1471,7 @@ EOF
if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest conftest.c
-static -nostartfiles -nostdlib 1>&AS_MESSAGE_LOG_FD])
then
if readelf -S conftest | fgrep INIT_ARRAY > /dev/null; then
if $READELF -S conftest | fgrep INIT_ARRAY > /dev/null; then
libc_cv_initfini_array=yes
else
libc_cv_initfini_array=no
@ -1666,7 +1668,7 @@ dnl cross-platform since the gcc used can be a cross compiler. Without
dnl introducing new options this is not easily doable. Instead use a tool
dnl which always is cross-platform: readelf. To detect whether -z combreloc
dnl look for a section named .rel.dyn.
if readelf -S conftest.so | grep '\.rel\(a\|\)\.dyn' > /dev/null; then
if $READELF -S conftest.so | grep '\.rel\(a\|\)\.dyn' > /dev/null; then
libc_cv_z_combreloc=yes
else
libc_cv_z_combreloc=no