123 lines
4.1 KiB
Plaintext
123 lines
4.1 KiB
Plaintext
# $NetBSD: configure.ac,v 1.40 2003/07/26 20:24:00 salo Exp $
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#
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# Autoconf definition file for libnbcompat.
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#
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AC_INIT([libnbcompat], [noversion], [lib-bug-people@NetBSD.org])
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AC_CONFIG_HEADERS(config.h)
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AC_CONFIG_FILES(defs.mk)
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AC_PATH_PROG(BSHELL, sh, )
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if test x"$BSHELL" = x; then
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AC_MSG_ERROR([sh must be somewhere on \$PATH])
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fi
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AC_DEFINE_UNQUOTED(PATH_BSHELL, "$BSHELL")
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AC_C_BIGENDIAN
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AC_HEADER_STDC
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# Confirm existence of zlib. (This is available as a default install
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# option on many OS's; this could be added as a reachover build in the
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# future.)
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AC_CHECK_HEADER(zlib.h,,
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AC_MSG_ERROR([zlib must be installed in a compiler-visible path]))
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AC_CHECK_LIB(z, gzdopen,,
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AC_MSG_ERROR([zlib must be installed in a compiler-visible path]))
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# Make sure certain required headers are available.
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# These are not necessarily required by the code, but they are not
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# currently conditionalized.
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AC_CHECK_HEADERS(sys/ioctl.h sys/mman.h sys/mtio.h sys/param.h \
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sys/socket.h sys/stat.h sys/time.h sys/types.h sys/utsname.h \
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sys/wait.h assert.h ctype.h errno.h fcntl.h grp.h limits.h locale.h \
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netdb.h pwd.h signal.h stdarg.h stdio.h stdlib.h string.h \
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termios.h unistd.h,,
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AC_MSG_ERROR([standard system header file not found]))
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# Find headers that may not be available.
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AC_HEADER_DIRENT
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AC_CHECK_HEADERS(sys/sysmacros.h sys/syslimits.h \
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features.h malloc.h poll.h stddef.h)
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AC_CHECK_HEADERS(machine/bswap.h sys/cdefs.h sys/endian.h sys/featuretest.h \
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err.h inttypes.h libgen.h paths.h stdint.h util.h,,
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[test -f include/$ac_header || touch include/$ac_header])
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AC_CHECK_HEADERS(rpc/types.h getopt.h netconfig.h,,
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[echo '#include "config.h"' >include/$ac_header.new
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echo '#include "'$srcdir/../../include/$ac_header'"' >>include/$ac_header.new
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if cmp include/$ac_header.new include/$ac_header >/dev/null 2>&1; then
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rm -f include/$ac_header.new
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else
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mv -f include/$ac_header.new include/$ac_header
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fi])
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# Typedefs.
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AC_TYPE_SIZE_T
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AC_CHECK_TYPES([id_t, long long, u_long, u_quad_t])
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AC_CHECK_TYPE(socklen_t, [AC_DEFINE(HAVE_SOCKLEN_T)],,
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[#include <sys/types.h>
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#include <sys/socket.h>])
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dnl XXX - This is UGLY. Need a better way to homogenize the bitsized types,
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dnl including use of compiler primitive types via AC_CHECK_SIZEOF.
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dnl
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define([NB_CHECK_INTTYPE], [
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AC_CHECK_TYPE(uint][$1][_t,, [
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AC_CHECK_TYPE(u_int][$1][_t,
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AC_DEFINE(uint][$1][_t, u_int][$1][_t),
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AC_MSG_ERROR([cannot find a suitable type for uint][$1][_t]))
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])
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AC_CHECK_TYPE(u_int][$1][_t,, [
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AC_CHECK_TYPE(uint][$1][_t,
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AC_DEFINE(u_int][$1][_t, uint][$1][_t),
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AC_MSG_ERROR([cannot find a suitable type for u_int][$1][_t]))
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])
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])
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NB_CHECK_INTTYPE(8)
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NB_CHECK_INTTYPE(16)
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NB_CHECK_INTTYPE(32)
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NB_CHECK_INTTYPE(64)
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# Struct members.
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AC_CHECK_MEMBERS([DIR.dd_fd, struct dirent.d_namlen],,,
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[#include <sys/types.h>
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#include <dirent.h>])
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AC_CHECK_MEMBERS([struct stat.st_flags, struct stat.st_gen,
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struct stat.st_birthtime, struct stat.st_atim,
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struct stat.st_mtimensec],,, [#include <sys/stat.h>])
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AC_CHECK_MEMBERS(struct statfs.f_iosize,,, [#include <sys/mount.h>])
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# Global variable decls.
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AC_CHECK_DECLS([optind, optreset],,, [
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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])
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AC_CHECK_DECLS(sys_signame,,, [#include <signal.h>])
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# Library functions (where a .h check isn't enough).
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AC_FUNC_ALLOCA
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AC_CHECK_FUNCS(atoll asprintf asnprintf basename devname dirfd dirname \
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fgetln flock fparseln futimes getopt getopt_long \
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isblank issetugid lchflags lchmod lchown lutimes mkstemp mkdtemp \
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poll pread putc_unlocked pwcache_userdb pwrite random setenv \
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setgroupent setprogname setpassent snprintf strlcat strlcpy strsep \
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strsuftoll strtoll \
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user_from_uid vasprintf vasnprintf vsnprintf)
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AC_CHECK_DECLS([setgroupent, setpassent],,, [
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#include <sys/types.h>
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#include <grp.h>
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#include <pwd.h>
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])
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# regcomp() and regexec() are also names of functions in the old V8
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# regexp package. To avoid them, we need to find out who has regfree().
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dnl # Cygwin: We *MUST* look at -lregex *before* the "no libs" condition.
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dnl # Thus AC_CHECK_LIB(regex...) comes first, and AC_SEARCHLIBS next.
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AC_CHECK_LIB(regex, regfree)
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AC_SEARCH_LIBS(regfree, rx posix)
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AC_OUTPUT
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