configure.ac revision 1.87
1# $NetBSD: configure.ac,v 1.87 2017/01/07 21:30:42 christos Exp $ 2# 3# Autoconf definition file for libnbcompat. 4# 5# When you edit configure.ac: 6# 0. Create the tools versions of autoconf and autoheader: 7# cd ${SRCDIR} && build.sh -V MKMAINTAINERTOOLS=yes tools 8# (This might not work if you try it after editing configure.ac.) 9# 1. edit configure.ac 10# 2. Regenerate "configure" and "nbtool_config.h.in" from "configure.ac": 11# cd ${SRCDIR}/tools/compat && ${TOOLDIR}/bin/nbmake-${MACHINE} regen 12# (Please don't use a non-tools version of autoconf or autoheader.) 13# 3. Test that the tools still build: 14# mv ${TOOLDIR} ${TOOLDIR}.bak 15# cd ${SRCDIR} && build.sh -V MKMAINTAINERTOOLS=yes tools 16# 4. cvs commit files that you edited. 17# 5. Regen again, to pick up changed RCS IDs from the above commit: 18# cd ${SRCDIR}/tools/compat && ${TOOLDIR}/bin/nbmake-${MACHINE} regen 19# 6. cvs commit files that were generated. 20# 21 22AC_INIT([libnbcompat], [noversion], [lib-bug-people@NetBSD.org]) 23AC_CONFIG_HEADERS(nbtool_config.h) 24AC_CONFIG_FILES(defs.mk) 25 26# Autoheader header and footer 27AH_TOP([/* $][NetBSD$ */ 28 29#ifndef __NETBSD_NBTOOL_CONFIG_H__ 30#define __NETBSD_NBTOOL_CONFIG_H__]) 31 32AH_BOTTOM([#include "compat_defs.h" 33#endif /* !__NETBSD_NBTOOL_CONFIG_H__ */]) 34 35AC_DEFUN([AC_NETBSD], 36[AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl 37 AC_BEFORE([$0], [AC_RUN_IFELSE])dnl 38 AC_MSG_CHECKING([for NetBSD]) 39 AC_EGREP_CPP(yes, 40 [#ifdef __NetBSD__ 41 yes 42 #endif 43 ], 44 [AC_MSG_RESULT([yes]) 45 AC_DEFINE([_POSIX_SOURCE], 1, [Define for NetBSD headers.]) 46 AC_DEFINE([_POSIX_C_SOURCE], 200112L, [Define for NetBSD headers.]) 47 AC_DEFINE([_XOPEN_SOURCE], 600, [Define for NetBSD headers.])], 48 [AC_MSG_RESULT([no])]) 49])# AC_NETBSD 50 51AC_NETBSD 52AC_PATH_PROG(BSHELL, sh, ) 53if test x"$BSHELL" = x; then 54 AC_MSG_ERROR([sh must be somewhere on \$PATH]) 55fi 56AC_DEFINE_UNQUOTED([PATH_BSHELL], "$BSHELL", [Path to sh(1).]) 57 58AC_C_BIGENDIAN 59AC_HEADER_STDC 60 61# Confirm existence of zlib. (This is available as a default install 62# option on many OS's; this could be added as a reachover build in the 63# future.) 64AC_CHECK_HEADER(zlib.h,, 65 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 66AC_CHECK_LIB(z, gzdopen,, 67 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 68 69# Make sure certain required headers are available. 70# These are not necessarily required by the code, but they are not 71# currently conditionalized. 72AC_CHECK_HEADERS(sys/ioctl.h sys/mman.h sys/param.h \ 73 sys/socket.h sys/stat.h sys/time.h sys/types.h sys/utsname.h \ 74 sys/wait.h assert.h ctype.h errno.h fcntl.h grp.h limits.h locale.h \ 75 netdb.h pwd.h signal.h stdarg.h stdio.h stdlib.h string.h \ 76 termios.h unistd.h,, 77 AC_MSG_ERROR([standard system header file not found])) 78 79# Find headers that may not be available. 80AC_HEADER_DIRENT 81AC_CHECK_HEADERS(sys/mtio.h sys/sysmacros.h sys/syslimits.h \ 82 getopt.h features.h malloc.h sys/poll.h pthread.h stddef.h rpc/types.h) 83AC_CHECK_HEADERS(sys/bswap.h machine/bswap.h sys/cdefs.h machine/endian.h \ 84 sys/endian.h sys/featuretest.h err.h inttypes.h libgen.h paths.h \ 85 libgen.h stdint.h util.h resolv.h arpa/nameser.h,, 86 [test -f include/$ac_header || touch include/$ac_header]) 87AC_CHECK_HEADERS(rpc/types.h netconfig.h,, 88 [echo '#include "nbtool_config.h"' >include/$ac_header.new 89 echo '#include "'$srcdir/../../include/$ac_header'"' \ 90 >>include/$ac_header.new 91 if cmp include/$ac_header.new include/$ac_header >/dev/null 2>&1; then 92 rm -f include/$ac_header.new 93 else 94 mv -f include/$ac_header.new include/$ac_header 95 fi]) 96 97# Typedefs. 98AC_TYPE_SIZE_T 99AC_CHECK_TYPES([id_t, long long, u_long, u_char, u_short, u_int, u_quad_t]) 100AC_CHECK_TYPE(socklen_t, [AC_DEFINE([HAVE_SOCKLEN_T], 1, 101 [Define if you have the socklen_t type.])],, 102[#include <sys/types.h> 103#ifdef HAVE_RPC_TYPES_H 104#include <rpc/types.h> 105#endif 106#include <sys/socket.h>]) 107 108dnl XXX - This is UGLY. Need a better way to homogenize the bitsized types, 109dnl including use of compiler primitive types via AC_CHECK_SIZEOF. 110dnl 111define([NB_CHECK_INTTYPE], [ 112 AC_CHECK_TYPE(uint][$1][_t,, [ 113 AC_CHECK_TYPE(u_int][$1][_t, 114 AC_DEFINE(uint][$1][_t, u_int][$1][_t, \ 115 [Define if you have u_int][$1][_t, but not uint][$1][_t.]), 116 AC_MSG_ERROR([cannot find a suitable type for uint][$1][_t])) 117 ]) 118 AC_CHECK_TYPE(u_int][$1][_t,, [ 119 AC_CHECK_TYPE(uint][$1][_t, 120 AC_DEFINE(u_int][$1][_t, uint][$1][_t, \ 121 [Define if you have uint][$1][_t, but not u_int][$1][_t.]), 122 AC_MSG_ERROR([cannot find a suitable type for u_int][$1][_t])) 123 ]) 124]) 125 126NB_CHECK_INTTYPE(8) 127NB_CHECK_INTTYPE(16) 128NB_CHECK_INTTYPE(32) 129NB_CHECK_INTTYPE(64) 130 131# Struct members. 132AC_CHECK_MEMBERS([DIR.dd_fd, DIR.__dd_fd, struct dirent.d_namlen],,, 133[#include <sys/types.h> 134#include <dirent.h>]) 135AC_CHECK_MEMBERS([struct stat.st_flags, struct stat.st_gen, 136 struct stat.st_birthtime, struct stat.st_birthtimensec, 137 struct stat.st_atim, struct stat.st_mtimensec],,, 138 [#include <sys/stat.h>]) 139AC_CHECK_MEMBERS(struct statvfs.f_iosize,,, [#include <sys/statvfs.h>]) 140AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,, [#include <time.h>]) 141 142# Global variable decls. 143AC_CHECK_DECLS([asprintf, vasprintf, vasnprintf, vsnprintf, fgetln, fparseln 144 getdelim, getline, snprintf],,, [ 145#include <stdio.h> 146]) 147 148AC_CHECK_DECLS([atoll, heapsort, mkdtemp, mkstemp, reallocarr, 149 setenv, strtoi, strtoll, strtou, setprogname, getprogname],,, [ 150#include <stdlib.h> 151]) 152 153AC_CHECK_DECLS([basename, dirname],,, [ 154#include <libgen.h> 155]) 156 157AC_CHECK_DECLS([raise_default_signal],,, [ 158#include <util.h> 159]) 160 161AC_CHECK_DECLS([issetugid, pread, pwrite],,, [ 162#include <unistd.h> 163]) 164 165AC_CHECK_DECLS([strmode],,, [ 166#include <unistd.h> 167#include <string.h> 168]) 169 170AC_CHECK_DECLS([isblank],,, [ 171#include <ctype.h> 172]) 173 174 175AC_CHECK_DECLS([optind, optreset],,, [ 176#include <stdio.h> 177#include <stdlib.h> 178#include <unistd.h> 179#ifdef HAVE_GETOPT_H 180#include <getopt.h> 181#endif 182]) 183AC_CHECK_DECLS(sys_signame,,, [#include <signal.h>]) 184 185# Library functions (where a .h check isn't enough). 186AC_FUNC_ALLOCA 187AC_CHECK_FUNCS(atoll asprintf asnprintf basename devname dirfd dirname \ 188 dprintf esetfunc fgetln flock fpurge __fpurge futimes getline \ 189 getopt getopt_long group_from_gid gid_from_group \ 190 heapsort isblank issetugid lchflags lchmod lchown lutimes mkstemp \ 191 mkdtemp poll pread putc_unlocked pwcache_userdb pwcache_groupdb \ 192 pwrite raise_default_signal random reallocarr setenv \ 193 setgroupent setprogname setpassent \ 194 snprintb_m snprintf strlcat strlcpy strmode \ 195 strndup strnlen strsep strsuftoll strtoi strtoll strtou \ 196 user_from_uid uid_from_user vasprintf vasnprintf vsnprintf) 197 198AC_CHECK_DECLS([user_from_uid, uid_from_user, pwcache_userdb],,,[ 199#include <pwd.h> 200]) 201AC_CHECK_DECLS([group_from_gid, gid_from_group, pwcache_groupdb],,,[ 202#include <grp.h> 203]) 204AC_CHECK_DECLS([strlcpy, strlcat, strndup, strnlen, strsep],,,[ 205#include <string.h> 206]) 207AC_CHECK_DECLS([strsuftoll, mi_vector_hash],,,[#include <stdlib.h>]) 208AC_CHECK_DECLS([lchflags, lchmod, lchown],,,[ 209#include <sys/stat.h> 210#include <unistd.h> 211]) 212 213AC_CHECK_DECLS([err, errc, errx, verrc, verrx, warn, warnc, warnx, vwarnc, vwarnx],,, [ 214#ifdef HAVE_ERR_H 215#include <err.h> 216#endif 217]) 218 219AC_CHECK_DECLS([htobe16, htobe32, htobe64, htole16, htole32, htole64, 220 be16toh, be32toh, be64toh, le16toh, le32toh, le64toh],,, 221 [#include <sys/types.h>]) 222 223AC_CHECK_DECLS([bswap16, bswap32, bswap64],,, [#include <machine/bswap.h>]) 224 225AC_CHECK_DECLS([be16enc, le16enc, be16dec, le16dec, be32enc, le32enc, 226 be32dec, le32dec, be64enc, le64enc, be64dec, le64dec],,, 227 [#include <sys/endian.h>]) 228 229AC_CHECK_DECLS([fstatvfs],,, [#include <sys/statvfs.h>]) 230 231AC_CHECK_DECLS([setgroupent, setpassent],,, [ 232#include <sys/types.h> 233#include <grp.h> 234#include <pwd.h> 235]) 236 237# regcomp() and regexec() are also names of functions in the old V8 238# regexp package. To avoid them, we need to find out who has regfree(). 239 240dnl # Cygwin: We *MUST* look at -lregex *before* the "no libs" condition. 241dnl # Thus AC_CHECK_LIB(regex...) comes first, and AC_SEARCHLIBS next. 242AC_CHECK_LIB(regex, regfree) 243AC_SEARCH_LIBS(regfree, rx posix) 244 245AC_CHECK_LIB(rt, clock_gettime) 246 247AC_CHECK_FUNCS(fparseln, [ 248 AC_MSG_CHECKING(if fparseln seems to work) 249 AC_RUN_IFELSE( 250 [AC_LANG_SOURCE([[ 251#define _NETBSD_SOURCE 252#include <stdio.h> 253#include <stdlib.h> 254#define CONFTEST "conftest.fparseln" 255#define COMMENT '#' 256int 257main(void) 258{ 259 static const char delim[3] = { '\0', '\0', COMMENT }; 260 FILE *fp; 261 char *ptr; 262 fp = fopen(CONFTEST, "w+"); 263 if (fp != NULL) { 264 unlink(CONFTEST); 265 ungetc(COMMENT, fp); 266 ptr = fparseln(fp, NULL, NULL, delim, 267 FPARSELN_UNESCALL); 268 fclose(fp); 269 if (ptr == NULL) 270 exit(0); 271 } 272 exit(1); 273} 274 ]])], 275 [AC_MSG_RESULT(yes)], 276 [AC_MSG_RESULT(no) 277 AC_DEFINE(BROKEN_FPARSELN, 1, 278 [Define to 1 if your `fparseln' function is broken.])], 279 [AC_MSG_WARN([cross compiling: not checking farseln])] 280 ) 281]) 282 283# Variables substituted via @VARNAME@ in defs.mk.in 284AC_SUBST(HAVE_PTHREAD_H, $ac_cv_header_pthread_h) 285 286AC_OUTPUT 287