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dnl Process this with autoconf to create configure
AC_PREREQ(2.64)
AC_INIT
AC_CONFIG_SRCDIR([zlib.h])
if test -n "${with_target_subdir}"; then
AM_ENABLE_MULTILIB(, ..)
fi
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_force([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_ARG_ENABLE(host-shared,
[AS_HELP_STRING([--enable-host-shared],
[build host code as shared libraries])],
[PICFLAG=-fPIC], [PICFLAG=])
AC_SUBST(PICFLAG)
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
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