1 dnl Process this with autoconf to create configure
5 AC_CONFIG_SRCDIR([zlib.h])
7 AM_ENABLE_MULTILIB(, ..)
11 # This works around an automake problem.
12 mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
13 AC_SUBST(mkinstalldirs)
15 AM_INIT_AUTOMAKE(zlib, 1.1.4)
19 dnl We use these options to decide which functions to include.
20 AC_ARG_WITH(target-subdir,
21 [ --with-target-subdir=SUBDIR
22 configuring in a subdirectory])
24 if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
31 AC_ARG_WITH(cross-host,
32 [ --with-cross-host=HOST configuring with a cross compiler])
34 dnl Default to --enable-multilib
35 AC_ARG_ENABLE(multilib,
36 [ --enable-multilib build many library versions (default)],
37 [case "${enableval}" in
40 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
41 esac], [test -z "$with_target_subdir" && multilib=no || multilib=yes])dnl
43 AC_ARG_WITH(system-zlib,
44 [ --with-system-zlib use installed libz])
46 # Make sure we don't test executables when making cross-tools.
49 # The same as in boehm-gc and libstdc++. Have to borrow it from there.
50 # We must force CC to /not/ be precious variables; otherwise
51 # the wrong, non-multilib-adjusted value will be used in multilibs.
52 # As a side effect, we have to subst CFLAGS ourselves.
54 m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
55 m4_define([_AC_ARG_VAR_PRECIOUS],[])
57 m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
63 # Find CPP now so that any conditional tests below won't do it and
64 # thereby make the resulting definitions conditional.
67 if test -n "$with_cross_host"; then
68 # We are being configured with a cross compiler. AC_REPLACE_FUNCS
69 # may not work correctly, because the compiler may not be able to
72 # We assume newlib. This lets us hard-code the functions we know
74 AC_DEFINE(HAVE_MEMCPY)
75 AC_DEFINE(HAVE_STRERROR)
77 # We ignore --with-system-zlib in this case.
81 AC_CHECK_FUNCS(memcpy strerror)
83 if test "$with_system_zlib" = yes; then
84 AC_CHECK_LIB(z, deflate, target_all=, target_all=libzgcj.la)
92 AC_CHECK_HEADERS(unistd.h)
94 if test -n "$with_cross_host" &&
95 test x"$with_cross_host" != x"no"; then
96 toolexecdir='$(exec_prefix)/$(target_alias)'
97 toolexeclibdir='$(toolexecdir)/lib'
99 toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
100 toolexeclibdir='$(libdir)'
102 if test "$GCC" = yes && $CC -print-multi-os-directory > /dev/null 2>&1; then
103 multiosdir=/`$CC -print-multi-os-directory`
105 /.) multiosdir= ;; # Avoid trailing /.
110 toolexeclibdir=${toolexeclibdir}${multiosdir}
111 AC_SUBST(toolexecdir)
112 AC_SUBST(toolexeclibdir)
114 AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir")
116 if test "${multilib}" = "yes"; then
117 multilib_arg="--enable-multilib"
122 AC_CONFIG_FILES([Makefile])