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Fix GH-9483: Autoconf warnings for newer Autoconf versions #11602

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Fix GH-9483: Autoconf warnings for newer Autoconf versions #11602

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29 changes: 13 additions & 16 deletions build/libtool.m4
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Original file line number Diff line number Diff line change
Expand Up @@ -271,7 +271,7 @@ $rm -r conftest*

dnl autoconf 2.13 compatibility
dnl _LT_AC_TRY_LINK()
AC_DEFUN(_LT_AC_TRY_LINK, [
AC_DEFUN([_LT_AC_TRY_LINK], [
cat > conftest.$ac_ext <<EOF
dnl This sometimes fails to find confdefs.h, for some reason.
dnl [#]line __oline__ "[$]0"
Expand Down Expand Up @@ -675,10 +675,9 @@ s390*-*linux*|sparc*-*linux*)
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -belf"
AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
[AC_LANG_SAVE
AC_LANG_C
AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
AC_LANG_RESTORE])
[AC_LANG_PUSH([C])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
AC_LANG_POP([C])])
if test x"$lt_cv_cc_needs_belf" != x"yes"; then
# this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
CFLAGS="$SAVE_CFLAGS"
Expand Down Expand Up @@ -1197,7 +1196,7 @@ if test "$_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)" = no && test "$need_locks"
ln conftest.a conftest.b 2>/dev/null && hard_links=no
AC_MSG_RESULT([$hard_links])
if test "$hard_links" = no; then
AC_MSG_WARN([\`$CC' does not support \`-c -o', so \`make -j' may be unsafe])
AC_MSG_WARN(['$CC' does not support '-c -o', so 'make -j' may be unsafe])
need_locks=warn
fi
else
Expand Down Expand Up @@ -1935,15 +1934,15 @@ AC_ARG_WITH([tags],

if test -f "$ltmain" && test -n "$tagnames"; then
if test ! -f "${ofile}"; then
AC_MSG_WARN([output file \`$ofile' does not exist])
AC_MSG_WARN([output file '$ofile' does not exist])
fi

if test -z "$LTCC"; then
eval "`$SHELL ${ofile} --config | grep '^LTCC='`"
if test -z "$LTCC"; then
AC_MSG_WARN([output file \`$ofile' does not look like a libtool script])
AC_MSG_WARN([output file '$ofile' does not look like a libtool script])
else
AC_MSG_WARN([using \`LTCC=$LTCC', extracted from \`$ofile'])
AC_MSG_WARN([using 'LTCC=$LTCC', extracted from '$ofile'])
fi
fi
if test -z "$LTCFLAGS"; then
Expand All @@ -1966,7 +1965,7 @@ if test -f "$ltmain" && test -n "$tagnames"; then

if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$" < "${ofile}" > /dev/null
then
AC_MSG_ERROR([tag name \"$tagname\" already exists])
AC_MSG_ERROR([tag name "$tagname" already exists])
fi

# Update the list of available tags.
Expand Down Expand Up @@ -2738,8 +2737,7 @@ fi
AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG], [_LT_AC_LANG_C_CONFIG])
AC_DEFUN([_LT_AC_LANG_C_CONFIG],
[lt_save_CC="$CC"
AC_LANG_SAVE
AC_LANG_C
AC_LANG_PUSH([C])

# Source file extension for C test sources.
ac_ext=c
Expand Down Expand Up @@ -2807,7 +2805,7 @@ AC_MSG_RESULT([$enable_static])

AC_LIBTOOL_CONFIG($1)

AC_LANG_RESTORE
AC_LANG_POP([C])
CC="$lt_save_CC"
])# AC_LIBTOOL_LANG_C_CONFIG

Expand All @@ -2819,8 +2817,7 @@ CC="$lt_save_CC"
# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG], [_LT_AC_LANG_CXX_CONFIG(CXX)])
AC_DEFUN([_LT_AC_LANG_CXX_CONFIG],
[AC_LANG_SAVE
AC_LANG_CPLUSPLUS
[AC_LANG_PUSH([C++])
AC_REQUIRE([AC_PROG_CXX])
AC_REQUIRE([_LT_AC_PROG_CXXCPP])

Expand Down Expand Up @@ -3806,7 +3803,7 @@ AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH($1)

AC_LIBTOOL_CONFIG($1)

AC_LANG_RESTORE
AC_LANG_POP([C++])
CC=$lt_save_CC
LDCXX=$LD
LD=$lt_save_LD
Expand Down
2 changes: 1 addition & 1 deletion build/php.m4
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Expand Up @@ -2152,7 +2152,7 @@ EOF
else
break
fi
$as_echo "$CURRENT_ARG \\" >>$1
AS_ECHO(["$CURRENT_ARG \\"]) >>$1
CONFIGURE_OPTIONS="$CONFIGURE_OPTIONS $CURRENT_ARG"
done
echo '"[$]@"' >> $1
Expand Down
4 changes: 3 additions & 1 deletion configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -128,7 +128,9 @@ PKG_PROG_PKG_CONFIG
AC_PROG_CC([cc gcc])
PHP_DETECT_ICC
PHP_DETECT_SUNCC
AC_PROG_CC_C99

dnl AC_PROG_CC_C99 is obsolete with autoconf >= 2.70 yet necessary for <= 2.69.
m4_version_prereq([2.70],,[AC_PROG_CC_C99])
AC_PROG_CPP
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_LN_S
Expand Down