aria2/m4/libcares.m4
2011-02-18 23:36:39 +09:00

60 lines
1.7 KiB
Plaintext

AC_DEFUN([AM_PATH_LIBCARES],
[
AC_ARG_WITH([libcares-prefix],
[ --with-libcares-prefix=PREFIX Prefix where libcares installed (optional)],
[libcares_prefix=$withval],
[libcares_prefix=""])
if test "x$libcares_prefix" = "x"; then
libcares_prefix="/usr"
fi
libcares_prefix_lib=$libcares_prefix/lib
libcares_prefix_include=$libcares_prefix/include
LIBS_save=$LIBS
CPPFLAGS_save=$CPPFLAGS
PKG_CONFIG_PATH_save=$PKG_CONFIG_PATH
PKG_CONFIG_PATH="$libcares_prefix/lib/pkgconfig:$PKG_CONFIG_PATH"
PKG_CHECK_MODULES([LIBCARES], [libcares >= 1.7.0], [have_libcares=yes],
[have_libcares=no])
if test "x$have_libcares" = "xyes"; then
LIBS="$LIBCARES_LIBS $LIBS"
CPPFLAGS="$LIBCARES_CFLAGS $CPPFLAGS"
fi
if test "x$have_libcares" != "xyes"; then
LIBS="-L$libcares_prefix_lib $LIBS"
CPPFLAGS="-I$libcares_prefix_include -Wall $CPPFLAGS"
AC_CHECK_LIB([cares], [ares_init], [have_libcares=yes])
if test "x$have_libcares" != "xyes"; then
AC_CHECK_LIB([cares], [ares_init], [have_libcares=yes need_librt=yes], [],
[-lrt])
fi
if test "x$have_libcares" = "xyes"; then
LIBCARES_LIBS="-L$libcares_prefix_lib -lcares"
if test "x$need_librt" = "xyes"; then
LIBCARES_LIBS="$LIBCARES_LIBS -lrt"
fi
LIBCARES_CFLAGS="-I$libcares_prefix_include"
LIBS="$LIBCARES_LIBS $LIBS_save"
CPPFLAGS="$LIBCARES_CFLAGS $CPPFLAGS_save"
fi
fi
if test "x$have_libcares" = "xyes"; then
AC_DEFINE([HAVE_LIBCARES], [1], [Define to 1 if you have libcares.])
AC_CHECK_TYPES([ares_addr_node], [], [], [[#include <ares.h>]])
AC_CHECK_FUNCS([ares_set_servers])
fi
LIBS=$LIBS_save
CPPFLAGS=$CPPFLAGS_save
PKG_CONFIG_PATH=$PKG_CONFIG_PATH_save
])