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dnl $Id: configure.ac,v 1.15 2010/01/13 17:20:39 armin Exp $
dnl ------------------------------------------------------------------
AC_INIT(dnsproxy, 1.16)
AC_PREREQ(2.59)
AC_REVISION([$Revision: 1.15 $])
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_CACHE_SAVE
dnl ------------------------------------------------------------------
dnl Check for additional libraries
dnl ------------------------------------------------------------------
AC_SEARCH_LIBS([gethostbyname], [nsl])
AC_SEARCH_LIBS([socket], [socket], [], [
AC_CHECK_LIB([socket], [socket], [LIBS="-lsocket -lnsl $LIBS"], [],
[-lnsl])
])
AC_CACHE_SAVE
dnl ------------------------------------------------------------------
dnl Enable extended warnings while developing
dnl ------------------------------------------------------------------
AC_ARG_ENABLE(warnings, [
--enable-warnings enable all sorts of warnings for debugging],
[
CFLAGS="${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 Check for libevent library
dnl ------------------------------------------------------------------
lefound="no"
LIBS="$LIBS -levent"
AC_MSG_CHECKING(for libevent)
AC_ARG_WITH(libevent,
AC_HELP_STRING(
[--with-libevent=PATH],
[directory prefix where libevent is found]
),
[
if test -f $withval/include/event.h; then
CFLAGS="${CFLAGS} -I$withval/include"
elif test -f $withval/event.h; then
CFLAGS="${CFLAGS} -I$withval"
else
AC_ERROR([event.h not found])
fi
if test -f $withval/lib; then
LDFLAGS="${LDFLAGS} -L$withval/lib"
else
LDFLAGS="${LDFLAGS} -L$withval"
fi
AC_MSG_RESULT([using $withval])
lefound="yes"
],
[
saved_CFLAGS=$CFLAGS
saved_LDFLAGS=$LDFLAGS
for testdir in "" $prefix /usr/local /opt/csw; do
if test -z "$testdir"; then
CFLAGS="$saved_CFLAGS"
LDFLAGS="$saved_LDFLAGS"
else
CFLAGS="$saved_CFLAGS -I$testdir/include"
LDFLAGS="$saved_LDFLAGS -L$testdir/lib"
fi
AC_TRY_LINK([#include <sys/time.h>
#include <sys/types.h>
#include <event.h>],
[ event_init(); ],
[ lefound="$testdir" ],
[ lefound="no" ])
if test "$lefound" != "no"; then
if test -z "$testdir"; then
AC_MSG_RESULT([found])
else
AC_MSG_RESULT([found in $lefound])
fi
break
fi
done
]
)
if test "$lefound" = "no"; then
AC_MSG_ERROR([
This software requires the libevent library
available at http://monkey.org/~provos/libevent/
You may specify it's directory prefix with
./configure --with-libevent=/prefix/of/libevent
])
fi
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()
|
