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.
28 # This works around an automake problem.
29 mkinstalldirs="`cd $ac_aux_dir && pwd`/mkinstalldirs"
30 AC_SUBST(mkinstalldirs)
32 AM_INIT_AUTOMAKE(zlib, 1.1.3)
36 dnl We use these options to decide which functions to include.
37 AC_ARG_WITH(target-subdir,
38 [ --with-target-subdir=SUBDIR
39 configuring in a subdirectory])
40 AC_ARG_WITH(cross-host,
41 [ --with-cross-host=HOST configuring with a cross compiler])
43 dnl Default to --enable-multilib
44 AC_ARG_ENABLE(multilib,
45 [ --enable-multilib build many library versions (default)],
46 [case "${enableval}" in
49 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
50 esac], [test -z "$with_target_subdir" && multilib=no || multilib=yes])dnl
52 AC_ARG_WITH(system-zlib,
53 [ --with-system-zlib use installed libz])
56 # We need AC_EXEEXT to keep automake happy in cygnus mode. However,
57 # at least currently, we never actually build a program, so we never
58 # need to use $(EXEEXT). Moreover, the test for EXEEXT normally
59 # fails, because we are probably configuring with a cross compiler
60 # which cant create executables. So we include AC_EXEEXT to keep
61 # automake happy, but we dont execute it, since we dont care about
64 # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
65 # to nothing, so nothing would remain between `then' and `fi' if it
66 # were not for the `:' below.
72 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
79 # Find CPP now so that any conditional tests below won't do it and
80 # thereby make the resulting definitions conditional.
83 if test -n "$with_cross_host"; then
84 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
85 # may not work correctly, because the compiler may not be able to
88 # We assume newlib. This lets us hard-code the functions we know
90 AC_DEFINE(HAVE_MEMCPY)
91 AC_DEFINE(HAVE_STRERROR)
93 # We ignore --with-system-zlib in this case.
97 AC_CHECK_FUNCS(memcpy strerror)
99 if test "$with_system_zlib" = yes; then
100 AC_CHECK_LIB(z, deflate, target_all=, target_all=libzgcj.la)
102 target_all=libzgcj.la
108 AC_CHECK_HEADERS(unistd.h)
110 AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
111 AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir")
113 if test "${multilib}" = "yes"; then
114 multilib_arg="--enable-multilib"
120 [if test -n "$CONFIG_FILES"; then
121 ac_file=Makefile . ${zlib_basedir}/../config-ml.in
126 with_multisubdir=${with_multisubdir}
127 ac_configure_args="${multilib_arg} ${ac_configure_args}"
128 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
129 zlib_basedir=${zlib_basedir}