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dnl $Id: configure.ac,v 1.13 2005/05/15 12:40:48 armin Exp $
dnl ------------------------------------------------------------------
AC_INIT(dnsproxy, 1.15)
AC_PREREQ(2.57)
AC_REVISION([$Revision: 1.13 $])
AC_CONFIG_HEADERS(config.h)
dnl ------------------------------------------------------------------
dnl Check for programs
dnl ------------------------------------------------------------------
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_CACHE_SAVE
dnl ------------------------------------------------------------------
dnl Check for headers
dnl ------------------------------------------------------------------
AC_C_CONST
AC_HEADER_STDC
AC_HEADER_TIME
AC_CHECK_HEADERS(sys/types.h sys/socket.h sys/time.h)
AC_CHECK_HEADERS(netinet/in.h arpa/inet.h)
AC_CHECK_HEADERS(errno.h syslog.h)
AC_TYPE_SIGNAL
AC_CACHE_SAVE
dnl ------------------------------------------------------------------
dnl Check for functions
dnl ------------------------------------------------------------------
AC_CHECK_FUNCS(strchr memcpy)
AC_CHECK_FUNCS(setregid setresgid setresuid setreuid)
AC_CHECK_FUNCS(gethostbyname, , [AC_CHECK_LIB(nsl, gethostbyname)])
AC_CHECK_FUNCS(socket, , [AC_CHECK_LIB(socket, socket)])
AC_CHECK_FUNCS(inet_pton, , [AC_CHECK_LIB(resolv, inet_pton)])
AC_CACHE_SAVE
dnl ------------------------------------------------------------------
dnl Enable extended warnings while developing
dnl ------------------------------------------------------------------
AC_ARG_ENABLE(warnings, [
--enable-warnings enable all sorts of warnings for debugging],
[
CFLAGS="$CFLAGS -Wall -Werror -Wcast-qual -Wmissing-declarations \
-W -Wmissing-prototypes -Wnested-externs -Wshadow \
-Wwrite-strings -Wno-unused -Wno-sign-compare"
])
AC_SUBST(CFLAGS)
dnl ------------------------------------------------------------------
dnl Recurse into libevent or check for already installed library
dnl ------------------------------------------------------------------
AC_ARG_WITH(native-libevent, [
--with-native-libevent use already installed libevent],
[
AC_CHECK_LIB(event, event_init)
INCEVENT=""
LIBEVENT=""
],[
AC_CONFIG_SUBDIRS(libevent)
INCEVENT="-Ilibevent"
LIBEVENT="libevent/libevent.a"
])
AC_SUBST(INCEVENT)
AC_SUBST(LIBEVENT)
dnl ------------------------------------------------------------------
dnl Check for available nroff and manpage macro package
dnl ------------------------------------------------------------------
AC_PATH_PROGS([NROFF], [nroff awf], [/bin/false], [$PATH:/usr/ucb])
if ${NROFF} -mdoc dnsproxy.1 >/dev/null 2>&1; then
MAN=mdoc
else
MAN=man
fi
AC_SUBST(MAN)
dnl ------------------------------------------------------------------
dnl Generate Makefile by default. Others only if their .in file
dnl exists in the current directory, which happens in my workdir
dnl but not for distributed tarballs.
dnl ------------------------------------------------------------------
AC_CONFIG_FILES(Makefile)
if test -r "README.in"; then
AC_CONFIG_FILES(README)
fi
if test -r "dnsproxy.1.in"; then
AC_CONFIG_FILES(dnsproxy.1)
fi
AC_OUTPUT()
AC_MSG_RESULT()
AC_MSG_RESULT([Configured successfully. Now run make.])
AC_MSG_RESULT()
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