curl/ares/configure.ac

dnl Process this file with autoconf to produce a configure script.
AC_INIT(ares_init.c)
AM_CONFIG_HEADER(config.h)
AM_MAINTAINER_MODE
AM_INIT_AUTOMAKE(c-ares, CVS)

AC_PROG_CC
AC_PROG_INSTALL

case $host_os in
solaris*)
	AC_DEFINE(ETC_INET, 1, [if a /etc/inet dir is being used])
	;;
esac

# check for ssize_t
AC_CHECK_TYPE(ssize_t, ,
   AC_DEFINE(ssize_t, int, [the signed version of size_t]))

AC_SEARCH_LIBS(gethostbyname, nsl)
AC_SEARCH_LIBS(socket, socket)

dnl ************************************************************
dnl Option to switch on debug options. This makes an assumption that
dnl this is built as an 'ares' subdir in the curl source tree. Subject for
dnl improval in the future!
dnl
AC_MSG_CHECKING([whether to enable debug options])
AC_ARG_ENABLE(debug,
AC_HELP_STRING([--enable-debug],[Enable pedantic debug options])
AC_HELP_STRING([--disable-debug],[Disable debug options]),
[ case "$enableval" in
  no)
       AC_MSG_RESULT(no)
       ;;
  *)   AC_MSG_RESULT(yes)

    dnl when doing the debug stuff, use static library only
    AC_DISABLE_SHARED

    dnl Checks for standard header files, to make memdebug.h inclusions bettter
    AC_HEADER_STDC

    CPPFLAGS="$CPPFLAGS -DCURLDEBUG -I../include"
    CFLAGS="$CFLAGS -g" 

    dnl set compiler "debug" options to become more picky, and remove
    dnl optimize options from CFLAGS
    CURL_CC_DEBUG_OPTS

       ;;
  esac ],
       AC_MSG_RESULT(no)
)

AC_PROG_LIBTOOL

dnl check for a few basic system headers we need
AC_CHECK_HEADERS(
       sys/types.h \
       sys/time.h \
       sys/select.h \
       sys/socket.h \
       )

AC_OUTPUT(Makefile)