1 dnl Process this with autoconf to create configure
5 dnl We may get other options which we dont document:
6 dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
8 if test "x[$]{with_target_subdir}" != x && \
9 test "[$]{srcdir}" = "."; then
10 if test "[$]{with_target_subdir}" != "."; then
11 zlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../"
13 zlib_basedir="[$]{srcdir}/[$]{with_multisrctop}"
16 zlib_basedir="[$]{srcdir}/"
18 AC_SUBST(zlib_basedir)
19 AC_CONFIG_AUX_DIR($zlib_basedir..)
21 # This overrides the previous occurrence for automake, but not for
22 # autoconf, which is exactly what we want.
27 AM_INIT_AUTOMAKE(zlib, 1.1.3)
31 dnl We use these options to decide which functions to include.
32 AC_ARG_WITH(target-subdir,
33 [ --with-target-subdir=SUBDIR
34 configuring in a subdirectory])
35 AC_ARG_WITH(cross-host,
36 [ --with-cross-host=HOST configuring with a cross compiler])
38 dnl Default to --enable-multilib
39 AC_ARG_ENABLE(multilib,
40 [ --enable-multilib build many library versions (default)],
41 [case "${enableval}" in
44 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
45 esac], [test -z "$with_target_subdir" && multilib=no || multilib=yes])dnl
47 AC_ARG_WITH(system-zlib,
48 [ --with-system-zlib use installed libz])
51 # We need AC_EXEEXT to keep automake happy in cygnus mode. However,
52 # at least currently, we never actually build a program, so we never
53 # need to use $(EXEEXT). Moreover, the test for EXEEXT normally
54 # fails, because we are probably configuring with a cross compiler
55 # which cant create executables. So we include AC_EXEEXT to keep
56 # automake happy, but we dont execute it, since we dont care about
63 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
70 # Find CPP now so that any conditional tests below won't do it and
71 # thereby make the resulting definitions conditional.
74 if test -n "$with_cross_host"; then
75 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
76 # may not work correctly, because the compiler may not be able to
79 # We assume newlib. This lets us hard-code the functions we know
81 AC_DEFINE(HAVE_MEMCPY)
82 AC_DEFINE(HAVE_STRERROR)
84 # We ignore --with-system-zlib in this case.
88 AC_CHECK_FUNCS(memcpy strerror)
90 if test "$with_system_zlib" = yes; then
91 AC_CHECK_LIB(z, deflate, target_all=, target_all=libzgcj.la)
99 AC_CHECK_HEADERS(unistd.h)
101 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
102 AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir")
104 if test "${multilib}" = "yes"; then
105 multilib_arg="--enable-multilib"
111 [if test -n "$CONFIG_FILES"; then
112 ac_file=Makefile . ${zlib_basedir}/../config-ml.in
117 with_multisubdir=${with_multisubdir}
118 ac_configure_args="${multilib_arg} ${ac_configure_args}"
119 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
120 zlib_basedir=${zlib_basedir}