configure.ac revision 1.49 1 # $NetBSD: configure.ac,v 1.49 2005/01/13 00:52:40 jmc Exp $
2 #
3 # Autoconf definition file for libnbcompat.
4 #
5
6 AC_INIT([libnbcompat], [noversion], [lib-bug-people (a] NetBSD.org])
7 AC_CONFIG_HEADERS(nbtool_config.h)
8 AC_CONFIG_FILES(defs.mk)
9
10 AC_DEFUN([AC_NETBSD],
11 [AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl
12 AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
13 AC_MSG_CHECKING([for NetBSD])
14 AC_EGREP_CPP(yes,
15 [#ifdef __NetBSD__
16 yes
17 #endif
18 ],
19 [AC_MSG_RESULT([yes])
20 AC_DEFINE(_POSIX_SOURCE, 1) AC_DEFINE(_POSIX_C_SOURCE, 200112L) AC_DEFINE(_XOPEN_SOURCE, 600)],
21 [AC_MSG_RESULT([no])])
22 ])# AC_NETBSD
23
24 AC_NETBSD
25 AC_PATH_PROG(BSHELL, sh, )
26 if test x"$BSHELL" = x; then
27 AC_MSG_ERROR([sh must be somewhere on \$PATH])
28 fi
29 AC_DEFINE_UNQUOTED(PATH_BSHELL, "$BSHELL")
30
31 AC_C_BIGENDIAN
32 AC_HEADER_STDC
33
34 # Confirm existence of zlib. (This is available as a default install
35 # option on many OS's; this could be added as a reachover build in the
36 # future.)
37 AC_CHECK_HEADER(zlib.h,,
38 AC_MSG_ERROR([zlib must be installed in a compiler-visible path]))
39 AC_CHECK_LIB(z, gzdopen,,
40 AC_MSG_ERROR([zlib must be installed in a compiler-visible path]))
41
42 # Make sure certain required headers are available.
43 # These are not necessarily required by the code, but they are not
44 # currently conditionalized.
45 AC_CHECK_HEADERS(sys/ioctl.h sys/mman.h sys/mtio.h sys/param.h \
46 sys/socket.h sys/stat.h sys/time.h sys/types.h sys/utsname.h \
47 sys/wait.h assert.h ctype.h errno.h fcntl.h grp.h limits.h locale.h \
48 netdb.h pwd.h signal.h stdarg.h stdio.h stdlib.h string.h \
49 termios.h unistd.h,,
50 AC_MSG_ERROR([standard system header file not found]))
51
52 # Find headers that may not be available.
53 AC_HEADER_DIRENT
54 AC_CHECK_HEADERS(sys/sysmacros.h sys/syslimits.h \
55 getopt.h features.h malloc.h sys/poll.h stddef.h)
56 AC_CHECK_HEADERS(machine/bswap.h sys/cdefs.h sys/endian.h sys/featuretest.h \
57 err.h inttypes.h libgen.h paths.h stdint.h util.h,,
58 [test -f include/$ac_header || touch include/$ac_header])
59 AC_CHECK_HEADERS(rpc/types.h netconfig.h,,
60 [echo '#include "nbtool_config.h"' >include/$ac_header.new
61 echo '#include "'$srcdir/../../include/$ac_header'"' >>include/$ac_header.new
62 if cmp include/$ac_header.new include/$ac_header >/dev/null 2>&1; then
63 rm -f include/$ac_header.new
64 else
65 mv -f include/$ac_header.new include/$ac_header
66 fi])
67
68 # Typedefs.
69 AC_TYPE_SIZE_T
70 AC_CHECK_TYPES([id_t, long long, u_long, u_char, u_short, u_int, u_quad_t])
71 AC_CHECK_TYPE(socklen_t, [AC_DEFINE(HAVE_SOCKLEN_T)],,
72 [#include <sys/types.h>
73 #include <sys/socket.h>])
74
75 dnl XXX - This is UGLY. Need a better way to homogenize the bitsized types,
76 dnl including use of compiler primitive types via AC_CHECK_SIZEOF.
77 dnl
78 define([NB_CHECK_INTTYPE], [
79 AC_CHECK_TYPE(uint][$1][_t,, [
80 AC_CHECK_TYPE(u_int][$1][_t,
81 AC_DEFINE(uint][$1][_t, u_int][$1][_t),
82 AC_MSG_ERROR([cannot find a suitable type for uint][$1][_t]))
83 ])
84 AC_CHECK_TYPE(u_int][$1][_t,, [
85 AC_CHECK_TYPE(uint][$1][_t,
86 AC_DEFINE(u_int][$1][_t, uint][$1][_t),
87 AC_MSG_ERROR([cannot find a suitable type for u_int][$1][_t]))
88 ])
89 ])
90
91 NB_CHECK_INTTYPE(8)
92 NB_CHECK_INTTYPE(16)
93 NB_CHECK_INTTYPE(32)
94 NB_CHECK_INTTYPE(64)
95
96 # Struct members.
97 AC_CHECK_MEMBERS([DIR.dd_fd, struct dirent.d_namlen],,,
98 [#include <sys/types.h>
99 #include <dirent.h>])
100 AC_CHECK_MEMBERS([struct stat.st_flags, struct stat.st_gen,
101 struct stat.st_birthtime, struct stat.st_birthtimensec,
102 struct stat.st_atim, struct stat.st_mtimensec],,,
103 [#include <sys/stat.h>])
104 AC_CHECK_MEMBERS(struct statvfs.f_iosize,,, [#include <sys/statvfs.h>])
105
106 # Global variable decls.
107 AC_CHECK_DECLS([optind, optreset],,, [
108 #include <stdio.h>
109 #include <stdlib.h>
110 #include <unistd.h>
111 ])
112 AC_CHECK_DECLS(sys_signame,,, [#include <signal.h>])
113
114 # Library functions (where a .h check isn't enough).
115 AC_FUNC_ALLOCA
116 AC_CHECK_FUNCS(atoll asprintf asnprintf basename devname dirfd dirname \
117 fgetln flock fparseln futimes getopt getopt_long group_from_gid \
118 heapsort isblank issetugid lchflags lchmod lchown lutimes mkstemp \
119 mkdtemp poll pread putc_unlocked pwcache_userdb pwrite random setenv \
120 setgroupent setprogname setpassent snprintf strlcat strlcpy strsep \
121 strsuftoll strtoll \
122 user_from_uid vasprintf vasnprintf vsnprintf)
123
124 AC_CHECK_FUNCS([htobe16, htobe32, htobe64, htole16, htole32, htole64, be16toh, be32toh, be64toh, le16toh, le32toh, le64toh],,, [
125 #include <sys/types.h>
126 ])
127
128 AC_CHECK_FUNCS([bswap16, bswap32, bswap64],,, [
129 #include <machine/bswap.h>
130 ])
131
132 AC_CHECK_FUNCS([fstatvfs],,, [
133 #include <sys/statvfs.h>
134 ])
135
136 AC_CHECK_DECLS([setgroupent, setpassent],,, [
137 #include <sys/types.h>
138 #include <grp.h>
139 #include <pwd.h>
140 ])
141
142 # regcomp() and regexec() are also names of functions in the old V8
143 # regexp package. To avoid them, we need to find out who has regfree().
144
145 dnl # Cygwin: We *MUST* look at -lregex *before* the "no libs" condition.
146 dnl # Thus AC_CHECK_LIB(regex...) comes first, and AC_SEARCHLIBS next.
147 AC_CHECK_LIB(regex, regfree)
148 AC_SEARCH_LIBS(regfree, rx posix)
149
150 AC_OUTPUT
151