Commit | Line | Data |
---|---|---|
5ca28f79 L |
1 | dnl Process this with autoconf to create configure |
2 | ||
3 | AC_PREREQ(2.64) | |
4 | AC_INIT | |
5 | AC_CONFIG_SRCDIR([zlib.h]) | |
6 | ||
7 | AM_ENABLE_MULTILIB(, ..) | |
8 | ||
9 | AC_CANONICAL_SYSTEM | |
10 | ||
11 | # This works around an automake problem. | |
12 | mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs" | |
13 | AC_SUBST(mkinstalldirs) | |
14 | ||
15 | AM_INIT_AUTOMAKE(zlib, 1.1.4) | |
16 | ||
17 | AM_MAINTAINER_MODE | |
18 | ||
19 | dnl We use these options to decide which functions to include. | |
20 | AC_ARG_WITH(target-subdir, | |
21 | [ --with-target-subdir=SUBDIR | |
22 | configuring in a subdirectory]) | |
23 | ||
24 | if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then | |
25 | COMPPATH=. | |
26 | else | |
27 | COMPPATH=.. | |
28 | fi | |
29 | AC_SUBST(COMPPATH) | |
30 | ||
31 | AC_ARG_WITH(cross-host, | |
32 | [ --with-cross-host=HOST configuring with a cross compiler]) | |
33 | ||
34 | dnl Default to --enable-multilib | |
35 | AC_ARG_ENABLE(multilib, | |
36 | [ --enable-multilib build many library versions (default)], | |
37 | [case "${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 | ||
43 | AC_ARG_WITH(system-zlib, | |
44 | [ --with-system-zlib use installed libz]) | |
45 | ||
46 | # Make sure we don't test executables when making cross-tools. | |
47 | GCC_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 | ||
54 | m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS]) | |
55 | m4_define([_AC_ARG_VAR_PRECIOUS],[]) | |
56 | AC_PROG_CC | |
57 | m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) | |
58 | ||
59 | AC_SUBST(CFLAGS) | |
60 | ||
61 | AC_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. | |
65 | AC_PROG_CPP | |
66 | ||
67 | if test -n "$with_cross_host"; then | |
68 | # We are being configured with a cross compiler. AC_REPLACE_FUNCS | |
69 | # may not work correctly, because the compiler may not be able to | |
70 | # link executables. | |
71 | ||
72 | # We assume newlib. This lets us hard-code the functions we know | |
73 | # we'll have. | |
74 | AC_DEFINE(HAVE_MEMCPY) | |
75 | AC_DEFINE(HAVE_STRERROR) | |
76 | ||
77 | # We ignore --with-system-zlib in this case. | |
78 | target_all=libzgcj.la | |
79 | else | |
80 | AC_FUNC_MMAP | |
81 | AC_CHECK_FUNCS(memcpy strerror) | |
82 | ||
83 | if test "$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 | |
88 | fi | |
89 | ||
90 | AC_SUBST(target_all) | |
91 | ||
92 | AC_CHECK_HEADERS(unistd.h) | |
93 | ||
94 | if test -n "$with_cross_host" && | |
95 | test x"$with_cross_host" != x"no"; then | |
96 | toolexecdir='$(exec_prefix)/$(target_alias)' | |
97 | toolexeclibdir='$(toolexecdir)/lib' | |
98 | else | |
99 | toolexecdir='$(libdir)/gcc-lib/$(target_alias)' | |
100 | toolexeclibdir='$(libdir)' | |
101 | fi | |
102 | if test "$GCC" = yes && $CC -print-multi-os-directory > /dev/null 2>&1; then | |
103 | multiosdir=/`$CC -print-multi-os-directory` | |
104 | case $multiosdir in | |
105 | /.) multiosdir= ;; # Avoid trailing /. | |
106 | esac | |
107 | else | |
108 | multiosdir= | |
109 | fi | |
110 | toolexeclibdir=${toolexeclibdir}${multiosdir} | |
111 | AC_SUBST(toolexecdir) | |
112 | AC_SUBST(toolexeclibdir) | |
113 | ||
114 | AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir") | |
115 | ||
116 | if test "${multilib}" = "yes"; then | |
117 | multilib_arg="--enable-multilib" | |
118 | else | |
119 | multilib_arg= | |
120 | fi | |
121 | ||
122 | AC_ARG_ENABLE(host-shared, | |
123 | [AS_HELP_STRING([--enable-host-shared], | |
124 | [build host code as shared libraries])], | |
125 | [PICFLAG=-fPIC], [PICFLAG=]) | |
126 | AC_SUBST(PICFLAG) | |
127 | ||
128 | AC_CONFIG_FILES([Makefile]) | |
129 | AC_OUTPUT |