dnl Process this file with autoconf to produce a configure script.
AC_INIT(rpm.c)

dnl Checks for programs.
AC_PROG_GCC_TRADITIONAL
AC_PROG_INSTALL
AC_PROG_CPP
AC_PROG_RANLIB

dnl Checks for libraries.
AC_CHECK_FUNC(gettext)
AC_CHECK_LIB(intl, gettext, [LIBINTL="-lintl"])
AC_CHECK_LIB(gdbm, dbminit, [], AC_MSG_WARN([sorry this package needs libgdbm.a (from the gdbm package)]))
AC_CHECK_LIB(db, dbopen, [], AC_MSG_WARN([sorry this package needs libdb.a (from the db package)]))

ZLIB=
for zlib in z gz ; do
   AC_CHECK_LIB(${zlib}, gzread, 
	[ZLIB="-l${zlib}"; break], 
	[if test ${zlib} = gz; then 
	    AC_MSG_WARN([sorry this package needs libz.a or libgz.a (from the zlib package)]) 
	 fi]
	       )
done
AC_SUBST(ZLIB)


dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(sys/socket.h ftw.h getopt.h \
  regex.h regexp.h endian.h machine/endian.h asm/byteorder.h malloc.h)

dnl Checks for library functions.
AC_FUNC_ALLOCA
AC_CHECK_FUNC(vfork)
AC_CHECK_FUNCS(S_ISSOCK S_ISFIFO)
AC_CHECK_FUNC(realpath, REALPATH='', REALPATH='realpath.o' LIBMISC='-lmisc')
AC_CHECK_FUNC(ftw, FTW='', FTW='ftw.o' LIBMISC='-lmisc')
AC_CHECK_FUNC(getopt_long, GETOPT='' GETOPT1='', GETOPT='getopt.o' GETOPT1='getopt1.o' LIBMISC='-lmisc')

AC_SUBST(REALPATH)
AC_SUBST(FTW)
AC_SUBST(GETOPT)
AC_SUBST(GETOPT1)
AC_SUBST(LIBMISC)
AC_SUBST(LIBINTL)

AC_OUTPUT(Makefile lib/Makefile build/Makefile tools/Makefile po/Makefile misc/Makefile)