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dnl Process this with autoconf to create configure

AC_PREREQ(2.59)

AC_INIT

AC_CONFIG_SRCDIR([zlib.h])

AM_ENABLE_MULTILIB(, ..)

AC_CANONICAL_SYSTEM

# This works around an automake problem.

mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"

AC_SUBST(mkinstalldirs)

AM_INIT_AUTOMAKE(zlib, 1.1.4)

AM_MAINTAINER_MODE

dnl We use these options to decide which functions to include.

AC_ARG_WITH(target-subdir,

[  --with-target-subdir=SUBDIR

                          configuring in a subdirectory])

if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then

   COMPPATH=.

else

   COMPPATH=..

fi

AC_SUBST(COMPPATH)

AC_ARG_WITH(cross-host,

[  --with-cross-host=HOST  configuring with a cross compiler])

dnl Default to --enable-multilib

AC_ARG_ENABLE(multilib,

[  --enable-multilib       build many library versions (default)],

[case "${enableval}" in

  yes) multilib=yes ;;

  no)  multilib=no ;;

  *)   AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;

 esac], [test -z "$with_target_subdir" && multilib=no || multilib=yes])dnl

AC_ARG_WITH(system-zlib,

[  --with-system-zlib      use installed libz])

# Make sure we don't test executables when making cross-tools.

GCC_NO_EXECUTABLES

# The same as in boehm-gc and libstdc++. Have to borrow it from there.

# We must force CC to /not/ be precious variables; otherwise

# the wrong, non-multilib-adjusted value will be used in multilibs.

# As a side effect, we have to subst CFLAGS ourselves.

m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])

m4_define([_AC_ARG_VAR_PRECIOUS],[])

AC_PROG_CC

m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])

AC_SUBST(CFLAGS)

AC_PROG_LIBTOOL

# Find CPP now so that any conditional tests below won't do it and

# thereby make the resulting definitions conditional.

AC_PROG_CPP

if test -n "$with_cross_host"; then

   # We are being configured with a cross compiler.  AC_REPLACE_FUNCS

   # may not work correctly, because the compiler may not be able to

   # link executables.

   # We assume newlib.  This lets us hard-code the functions we know

   # we'll have.

   AC_DEFINE(HAVE_MEMCPY)

   AC_DEFINE(HAVE_STRERROR)

   # We ignore --with-system-zlib in this case.

   target_all=libzgcj.la

else

   AC_FUNC_MMAP

   AC_CHECK_FUNCS(memcpy strerror)

   if test "$with_system_zlib" = yes; then

      AC_CHECK_LIB(z, deflate, target_all=, target_all=libzgcj.la)

   else

      target_all=libzgcj.la

   fi

fi

AC_SUBST(target_all)

AC_CHECK_HEADERS(unistd.h)

if test -n "$with_cross_host" &&

   test x"$with_cross_host" != x"no"; then

  toolexecdir='$(exec_prefix)/$(target_alias)'

  toolexeclibdir='$(toolexecdir)/lib'

else

  toolexecdir='$(libdir)/gcc-lib/$(target_alias)'

  toolexeclibdir='$(libdir)'

fi

if test "$GCC" = yes && $CC -print-multi-os-directory > /dev/null 2>&1; then

  multiosdir=/`$CC -print-multi-os-directory`

  case $multiosdir in

    /.) multiosdir= ;; # Avoid trailing /.

  esac

else

  multiosdir=

fi

toolexeclibdir=${toolexeclibdir}${multiosdir}

AC_SUBST(toolexecdir)

AC_SUBST(toolexeclibdir)

AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir")

if test "${multilib}" = "yes"; then

  multilib_arg="--enable-multilib"

else

  multilib_arg=

fi

AC_CONFIG_FILES([Makefile])

AC_OUTPUT