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configure: use XC_LIBTOOL for portability across libtool versions

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This commit is contained in:
Yang Tse
2013-02-19 14:11:26 +01:00
parent f454e82dc7
commit 715b499c79
3 changed files with 27 additions and 62 deletions
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32
m4/cares-compilers.m4
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@ -15,7 +15,7 @@
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
# serial 74
# serial 75
dnl CARES_CHECK_COMPILER
@ -23,7 +23,6 @@ dnl -------------------------------------------------
dnl Verify if the C compiler being used is known.
AC_DEFUN([CARES_CHECK_COMPILER], [
AC_BEFORE([$0],[CARES_CHECK_NO_UNDEFINED])dnl
#
compiler_id="unknown"
compiler_num="0"
@ -1192,6 +1191,7 @@ dnl shared libraries support undefined symbols, along with
dnl an equally configured libcurl.
AC_DEFUN([CARES_CHECK_CURLDEBUG], [
AC_REQUIRE([XC_LIBTOOL])dnl
AC_REQUIRE([CARES_SHFUNC_SQUEEZE])dnl
cares_builddir=`pwd`
supports_curldebug="unknown"
@ -1208,7 +1208,7 @@ AC_DEFUN([CARES_CHECK_CURLDEBUG], [
fi
if test "$supports_curldebug" != "no"; then
if test "$enable_shared" = "yes" &&
test "$need_no_undefined" = "yes"; then
test "x$xc_lt_shlib_use_no_undefined" = 'xyes'; then
supports_curldebug="no"
AC_MSG_WARN([shared library does not support undefined symbols.])
fi
@ -1270,32 +1270,6 @@ AC_DEFUN([CARES_CHECK_CURLDEBUG], [
])
dnl CARES_CHECK_NO_UNDEFINED
dnl -------------------------------------------------
dnl Checks if the -no-undefined flag must be used when
dnl building shared libraries. This is required on all
dnl systems on which shared libraries should not have
dnl references to undefined symbols. This check should
dnl not be done before AC-PROG-LIBTOOL.
AC_DEFUN([CARES_CHECK_NO_UNDEFINED], [
AC_BEFORE([$0],[CARES_CHECK_CURLDEBUG])dnl
AC_MSG_CHECKING([if shared libraries need -no-undefined])
need_no_undefined="no"
case $host in
*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc* | *-*-aix*)
need_no_undefined="yes"
;;
esac
if test "x$allow_undefined" = "xno"; then
need_no_undefined="yes"
elif test "x$allow_undefined_flag" = "xunsupported"; then
need_no_undefined="yes"
fi
AC_MSG_RESULT($need_no_undefined)
])
dnl CARES_CHECK_COMPILER_HALT_ON_ERROR
dnl -------------------------------------------------
dnl Verifies if the compiler actually halts after the