1dnl Process this with autoconf to create configure
2
3AC_PREREQ(2.64)
4AC_INIT
5AC_CONFIG_SRCDIR([zlib.h])
6
7AM_ENABLE_MULTILIB(, ..)
8
9AC_CANONICAL_SYSTEM
10
11# This works around an automake problem.
12mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
13AC_SUBST(mkinstalldirs)
14
15AM_INIT_AUTOMAKE(zlib, 1.1.4)
16
17AM_MAINTAINER_MODE
18
19dnl We use these options to decide which functions to include.
20AC_ARG_WITH(target-subdir,
21[  --with-target-subdir=SUBDIR
22                          configuring in a subdirectory])
23
24if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
25   COMPPATH=.
26else
27   COMPPATH=..
28fi
29AC_SUBST(COMPPATH)
30
31AC_ARG_WITH(cross-host,
32[  --with-cross-host=HOST  configuring with a cross compiler])
33
34dnl Default to --enable-multilib
35AC_ARG_ENABLE(multilib,
36[  --enable-multilib       build many library versions (default)],
37[case "${enableval}" in
38  yes) multilib=yes ;;
39  no)  multilib=no ;;
40  *)   AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
41 esac], [test -z "$with_target_subdir" && multilib=no || multilib=yes])dnl
42
43AC_ARG_WITH(system-zlib,
44[  --with-system-zlib      use installed libz])
45
46# Make sure we don't test executables when making cross-tools.
47GCC_NO_EXECUTABLES
48
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.
53
54m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
55m4_define([_AC_ARG_VAR_PRECIOUS],[])
56AC_PROG_CC
57m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
58
59AC_SUBST(CFLAGS)
60
61AC_PROG_LIBTOOL
62
63# Find CPP now so that any conditional tests below won't do it and
64# thereby make the resulting definitions conditional.
65AC_PROG_CPP
66
67if test -n "$with_cross_host"; then
68   # We are being configured with a cross compiler.  AC_REPLACE_FUNCS
69   # may not work correctly, because the compiler may not be able to
70   # link executables.
71
72   # We assume newlib.  This lets us hard-code the functions we know
73   # we'll have.
74   AC_DEFINE(HAVE_MEMCPY)
75   AC_DEFINE(HAVE_STRERROR)
76
77   # We ignore --with-system-zlib in this case.
78   target_all=libzgcj.la
79else
80   AC_FUNC_MMAP
81   AC_CHECK_FUNCS(memcpy strerror)
82
83   if test "$with_system_zlib" = yes; then
84      AC_CHECK_LIB(z, deflate, target_all=, target_all=libzgcj.la)
85   else
86      target_all=libzgcj.la
87   fi
88fi
89
90AC_SUBST(target_all)
91
92AC_CHECK_HEADERS(unistd.h)
93
94if test -n "$with_cross_host" &&
95   test x"$with_cross_host" != x"no"; then
96  toolexecdir='$(exec_prefix)/$(target_alias)'
97  toolexeclibdir='$(toolexecdir)/lib'
98else
99  toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
100  toolexeclibdir='$(libdir)'
101fi
102if test "$GCC" = yes && $CC -print-multi-os-directory > /dev/null 2>&1; then
103  multiosdir=/`$CC -print-multi-os-directory`
104  case $multiosdir in
105    /.) multiosdir= ;; # Avoid trailing /.
106  esac
107else
108  multiosdir=
109fi
110toolexeclibdir=${toolexeclibdir}${multiosdir}
111AC_SUBST(toolexecdir)
112AC_SUBST(toolexeclibdir)
113
114AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir")
115
116if test "${multilib}" = "yes"; then
117  multilib_arg="--enable-multilib"
118else
119  multilib_arg=
120fi
121
122AC_ARG_ENABLE(host-shared,
123[AS_HELP_STRING([--enable-host-shared],
124		[build host code as shared libraries])],
125[PICFLAG=-fPIC], [PICFLAG=])
126AC_SUBST(PICFLAG)
127
128AC_CONFIG_FILES([Makefile])
129AC_OUTPUT
130