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5ca28f79 L |
1 | dnl Process this with autoconf to create configure |
2 | ||
d0ac1c44 | 3 | AC_INIT([zlib], [1.1.4]) |
5ca28f79 L |
4 | AC_CONFIG_SRCDIR([zlib.h]) |
5 | ||
93df7317 NC |
6 | if test -n "${with_target_subdir}"; then |
7 | AM_ENABLE_MULTILIB(, ..) | |
8 | fi | |
5ca28f79 L |
9 | |
10 | AC_CANONICAL_SYSTEM | |
11 | ||
12 | # This works around an automake problem. | |
13 | mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs" | |
14 | AC_SUBST(mkinstalldirs) | |
15 | ||
d0ac1c44 | 16 | AM_INIT_AUTOMAKE |
5ca28f79 L |
17 | |
18 | AM_MAINTAINER_MODE | |
19 | ||
20 | dnl We use these options to decide which functions to include. | |
21 | AC_ARG_WITH(target-subdir, | |
22 | [ --with-target-subdir=SUBDIR | |
23 | configuring in a subdirectory]) | |
24 | ||
25 | if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then | |
26 | COMPPATH=. | |
27 | else | |
28 | COMPPATH=.. | |
29 | fi | |
30 | AC_SUBST(COMPPATH) | |
31 | ||
32 | AC_ARG_WITH(cross-host, | |
33 | [ --with-cross-host=HOST configuring with a cross compiler]) | |
34 | ||
35 | dnl Default to --enable-multilib | |
36 | AC_ARG_ENABLE(multilib, | |
37 | [ --enable-multilib build many library versions (default)], | |
38 | [case "${enableval}" in | |
39 | yes) multilib=yes ;; | |
40 | no) multilib=no ;; | |
41 | *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;; | |
42 | esac], [test -z "$with_target_subdir" && multilib=no || multilib=yes])dnl | |
43 | ||
44 | AC_ARG_WITH(system-zlib, | |
45 | [ --with-system-zlib use installed libz]) | |
46 | ||
47 | # Make sure we don't test executables when making cross-tools. | |
48 | GCC_NO_EXECUTABLES | |
49 | ||
50 | # The same as in boehm-gc and libstdc++. Have to borrow it from there. | |
51 | # We must force CC to /not/ be precious variables; otherwise | |
52 | # the wrong, non-multilib-adjusted value will be used in multilibs. | |
53 | # As a side effect, we have to subst CFLAGS ourselves. | |
54 | ||
55 | m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) | |
56 | m4_define([_AC_ARG_VAR_PRECIOUS],[]) | |
57 | AC_PROG_CC | |
58 | m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) | |
59 | ||
60 | AC_SUBST(CFLAGS) | |
61 | ||
62 | AC_PROG_LIBTOOL | |
63 | ||
64 | # Find CPP now so that any conditional tests below won't do it and | |
65 | # thereby make the resulting definitions conditional. | |
66 | AC_PROG_CPP | |
67 | ||
68 | if test -n "$with_cross_host"; then | |
69 | # We are being configured with a cross compiler. AC_REPLACE_FUNCS | |
70 | # may not work correctly, because the compiler may not be able to | |
71 | # link executables. | |
72 | ||
73 | # We assume newlib. This lets us hard-code the functions we know | |
74 | # we'll have. | |
75 | AC_DEFINE(HAVE_MEMCPY) | |
76 | AC_DEFINE(HAVE_STRERROR) | |
77 | ||
78 | # We ignore --with-system-zlib in this case. | |
79 | target_all=libzgcj.la | |
80 | else | |
81 | AC_FUNC_MMAP | |
82 | AC_CHECK_FUNCS(memcpy strerror) | |
83 | ||
84 | if test "$with_system_zlib" = yes; then | |
85 | AC_CHECK_LIB(z, deflate, target_all=, target_all=libzgcj.la) | |
86 | else | |
87 | target_all=libzgcj.la | |
88 | fi | |
89 | fi | |
90 | ||
91 | AC_SUBST(target_all) | |
92 | ||
93 | AC_CHECK_HEADERS(unistd.h) | |
94 | ||
95 | if test -n "$with_cross_host" && | |
96 | test x"$with_cross_host" != x"no"; then | |
97 | toolexecdir='$(exec_prefix)/$(target_alias)' | |
98 | toolexeclibdir='$(toolexecdir)/lib' | |
99 | else | |
100 | toolexecdir='$(libdir)/gcc-lib/$(target_alias)' | |
101 | toolexeclibdir='$(libdir)' | |
102 | fi | |
103 | if test "$GCC" = yes && $CC -print-multi-os-directory > /dev/null 2>&1; then | |
104 | multiosdir=/`$CC -print-multi-os-directory` | |
105 | case $multiosdir in | |
106 | /.) multiosdir= ;; # Avoid trailing /. | |
107 | esac | |
108 | else | |
109 | multiosdir= | |
110 | fi | |
111 | toolexeclibdir=${toolexeclibdir}${multiosdir} | |
112 | AC_SUBST(toolexecdir) | |
113 | AC_SUBST(toolexeclibdir) | |
114 | ||
115 | AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir") | |
116 | ||
117 | if test "${multilib}" = "yes"; then | |
118 | multilib_arg="--enable-multilib" | |
119 | else | |
120 | multilib_arg= | |
121 | fi | |
122 | ||
123 | AC_ARG_ENABLE(host-shared, | |
124 | [AS_HELP_STRING([--enable-host-shared], | |
125 | [build host code as shared libraries])], | |
126 | [PICFLAG=-fPIC], [PICFLAG=]) | |
127 | AC_SUBST(PICFLAG) | |
128 | ||
129 | AC_CONFIG_FILES([Makefile]) | |
130 | AC_OUTPUT |