configure.ac revision 1.99
1# $NetBSD: configure.ac,v 1.99 2021/02/25 13:41:58 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], "$BSHELL", [Path to sh(1).]) 57 58AC_C_BIGENDIAN 59AC_HEADER_STDC 60 61# Confirm existence of zlib. (This is available as a default install 62# option on many OS's; this could be added as a reachover build in the 63# future.) 64AC_CHECK_HEADER(zlib.h,, 65 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 66AC_CHECK_LIB(z, gzdopen,, 67 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 68 69# Make sure certain required headers are available. 70# These are not necessarily required by the code, but they are not 71# currently conditionalized. 72AC_CHECK_HEADERS(sys/ioctl.h sys/mman.h sys/param.h \ 73 sys/socket.h sys/stat.h sys/time.h sys/types.h sys/utsname.h \ 74 sys/wait.h assert.h ctype.h errno.h fcntl.h grp.h limits.h locale.h \ 75 netdb.h pwd.h signal.h stdarg.h stdio.h stdlib.h string.h \ 76 termios.h unistd.h,, 77 AC_MSG_ERROR([standard system header file not found])) 78 79# Find headers that may not be available. 80AC_HEADER_DIRENT 81AC_CHECK_HEADERS(sys/mtio.h sys/sysmacros.h sys/syslimits.h stdio_ext.h \ 82 getopt.h features.h malloc.h sys/poll.h pthread.h stddef.h sys/uio.h) 83AC_CHECK_HEADERS(sys/bswap.h machine/bswap.h sys/cdefs.h machine/endian.h \ 84 sys/endian.h sys/featuretest.h err.h inttypes.h libgen.h paths.h \ 85 libgen.h stdint.h util.h resolv.h arpa/nameser.h,, 86 [test -f include/$ac_header || touch include/$ac_header]) 87AC_CHECK_HEADERS(rpc/types.h,, 88 [echo '#include "nbtool_config.h"' >include/$ac_header.new 89 echo '#include "'$srcdir/../../common/include/$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]) 96AC_CHECK_HEADERS(netconfig.h,, 97 [echo '#include "nbtool_config.h"' >include/$ac_header.new 98 echo '#include "'$srcdir/../../include/$ac_header'"' \ 99 >>include/$ac_header.new 100 if cmp include/$ac_header.new include/$ac_header >/dev/null 2>&1; then 101 rm -f include/$ac_header.new 102 else 103 mv -f include/$ac_header.new include/$ac_header 104 fi]) 105 106# Typedefs. 107AC_TYPE_SIZE_T 108AC_CHECK_TYPES([id_t, long long, u_long, u_char, u_short, u_int, u_quad_t]) 109AC_CHECK_TYPES([uchar_t, ushort_t, uint_t, ulong_t]) 110AC_CHECK_TYPE(socklen_t, [AC_DEFINE([HAVE_SOCKLEN_T], 1, 111 [Define if you have the socklen_t type.])],, 112[#include <sys/types.h> 113#ifdef HAVE_RPC_TYPES_H 114#include <rpc/types.h> 115#endif 116#include <sys/socket.h>]) 117 118AC_MSG_CHECKING([for enum uio_rw]) 119AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 120#include <sys/types.h> 121#ifdef HAVE_SYS_UIO_H 122#include <sys/uio.h> 123#endif]], 124[[enum uio_rw rw;]])], 125[AC_MSG_RESULT(yes) 126 AC_DEFINE([HAVE_ENUM_UIO_RW], 1, 127 [Define if you have the enum uio_rw type.])], 128[AC_MSG_RESULT(no)]) 129 130AC_MSG_CHECKING([for enum uio_seg]) 131AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 132#include <sys/types.h> 133#ifdef HAVE_SYS_UIO_H 134#include <sys/uio.h> 135#endif]], 136[[enum uio_seg seg;]])], 137[AC_MSG_RESULT(yes) 138 AC_DEFINE([HAVE_ENUM_UIO_SEG], 1, 139 [Define if you have the enum uio_seg type.])], 140[AC_MSG_RESULT(no)]) 141 142dnl XXX - This is UGLY. Need a better way to homogenize the bitsized types, 143dnl including use of compiler primitive types via AC_CHECK_SIZEOF. 144dnl 145define([NB_CHECK_INTTYPE], [ 146 AC_CHECK_TYPE(uint][$1][_t,, [ 147 AC_CHECK_TYPE(u_int][$1][_t, 148 AC_DEFINE(uint][$1][_t, u_int][$1][_t, \ 149 [Define if you have u_int][$1][_t, but not uint][$1][_t.]), 150 AC_MSG_ERROR([cannot find a suitable type for uint][$1][_t])) 151 ]) 152 AC_CHECK_TYPE(u_int][$1][_t,, [ 153 AC_CHECK_TYPE(uint][$1][_t, 154 AC_DEFINE(u_int][$1][_t, uint][$1][_t, \ 155 [Define if you have uint][$1][_t, but not u_int][$1][_t.]), 156 AC_MSG_ERROR([cannot find a suitable type for u_int][$1][_t])) 157 ]) 158]) 159 160NB_CHECK_INTTYPE(8) 161NB_CHECK_INTTYPE(16) 162NB_CHECK_INTTYPE(32) 163NB_CHECK_INTTYPE(64) 164 165# Struct members. 166AC_CHECK_MEMBERS([DIR.dd_fd, DIR.__dd_fd, struct dirent.d_namlen],,, 167[#include <sys/types.h> 168#include <dirent.h>]) 169AC_CHECK_MEMBERS([struct stat.st_flags, struct stat.st_gen, 170 struct stat.st_birthtime, struct stat.st_birthtimensec, 171 struct stat.st_atim, struct stat.st_mtimensec],,, 172 [#include <sys/stat.h>]) 173AC_CHECK_MEMBERS(struct statvfs.f_iosize,,, [#include <sys/statvfs.h>]) 174AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,, [#include <time.h>]) 175 176# Global variable decls. 177AC_CHECK_DECLS([asprintf, asnprintf, vasprintf, vasnprintf, vsnprintf, fgetln, fparseln, 178 fpurge, getdelim, getline, snprintf],,, [ 179#include <stdio.h> 180]) 181 182AC_CHECK_DECLS([atoll, heapsort, mkdtemp, mkstemp, reallocarr, reallocarray, 183 getsubopt, setenv, strtoi, strtoll, strtou, setprogname, 184 getprogname],,, [ 185#include <stdlib.h> 186]) 187 188AC_CHECK_DECLS([basename, dirname],,, [ 189#include <libgen.h> 190]) 191 192AC_CHECK_DECLS([raise_default_signal],,, [ 193#include <util.h> 194]) 195 196AC_CHECK_DECLS([issetugid, pread, pwrite],,, [ 197#include <unistd.h> 198]) 199 200AC_CHECK_DECLS([strmode],,, [ 201#include <unistd.h> 202#include <string.h> 203]) 204 205AC_CHECK_DECLS([isblank],,, [ 206#include <ctype.h> 207]) 208 209 210AC_CHECK_DECLS([optind, optreset],,, [ 211#include <stdio.h> 212#include <stdlib.h> 213#include <unistd.h> 214#ifdef HAVE_GETOPT_H 215#include <getopt.h> 216#endif 217]) 218AC_CHECK_DECLS(sys_signame,,, [#include <signal.h>]) 219 220# Library functions (where a .h check isn't enough). 221AC_FUNC_ALLOCA 222AC_CHECK_FUNCS(atoll asprintf asnprintf basename devname dirfd dirname \ 223 dprintf esetfunc fgetln flock fpurge __fpurge futimes getline \ 224 getopt getopt_long group_from_gid gid_from_group \ 225 heapsort isblank issetugid lchflags lchmod lchown lutimes mkstemp \ 226 mkdtemp poll pread putc_unlocked pwcache_userdb pwcache_groupdb \ 227 pwrite raise_default_signal random reallocarr reallocarray setenv \ 228 setgroupent setprogname setpassent \ 229 snprintb_m snprintf strlcat strlcpy strmode \ 230 strcasecmp strncasecmp strndup strnlen strsep strsuftoll strtoi \ 231 strtoll strtou \ 232 user_from_uid uid_from_user vasprintf vasnprintf vsnprintf) 233 234AC_CHECK_DECLS([user_from_uid, uid_from_user, pwcache_userdb],,,[ 235#include <pwd.h> 236]) 237AC_CHECK_DECLS([group_from_gid, gid_from_group, pwcache_groupdb],,,[ 238#include <grp.h> 239]) 240AC_CHECK_DECLS([strcasecmp, strncasecmp, strlcpy, strlcat, strndup, 241 strnlen, strsep],,,[ 242#include <string.h> 243]) 244AC_CHECK_DECLS([strsuftoll, mi_vector_hash],,,[#include <stdlib.h>]) 245AC_CHECK_DECLS([lchflags, lchmod, lchown],,,[ 246#include <sys/stat.h> 247#include <unistd.h> 248]) 249 250AC_CHECK_DECLS([err, errc, errx, verrc, verrx, warn, warnc, warnx, vwarnc, 251 vwarnx],,,[ 252#ifdef HAVE_ERR_H 253#include <err.h> 254#endif 255]) 256 257AC_CHECK_DECLS([htobe16, htobe32, htobe64, htole16, htole32, htole64, 258 be16toh, be32toh, be64toh, le16toh, le32toh, le64toh],,, 259 [#include <sys/types.h>]) 260 261AC_CHECK_DECLS([bswap16, bswap32, bswap64],,, [#include <machine/bswap.h>]) 262 263AC_CHECK_DECLS([be16enc, le16enc, be16dec, le16dec, be32enc, le32enc, 264 be32dec, le32dec, be64enc, le64enc, be64dec, le64dec],,, 265 [#include <sys/endian.h>]) 266 267AC_CHECK_DECLS([fstatvfs],,, [#include <sys/statvfs.h>]) 268 269AC_CHECK_DECLS([setgroupent, setpassent],,, [ 270#include <sys/types.h> 271#include <grp.h> 272#include <pwd.h> 273]) 274 275# regcomp() and regexec() are also names of functions in the old V8 276# regexp package. To avoid them, we need to find out who has regfree(). 277 278dnl # Cygwin: We *MUST* look at -lregex *before* the "no libs" condition. 279dnl # Thus AC_CHECK_LIB(regex...) comes first, and AC_SEARCHLIBS next. 280AC_CHECK_LIB(regex, regfree) 281AC_SEARCH_LIBS(regfree, rx posix) 282 283AC_CHECK_LIB(rt, clock_gettime) 284 285AC_CHECK_FUNCS(fparseln, [ 286 AC_MSG_CHECKING(if fparseln seems to work) 287 AC_RUN_IFELSE( 288 [AC_LANG_SOURCE([[ 289#define _NETBSD_SOURCE 290#include <stdio.h> 291#include <stdlib.h> 292#define CONFTEST "conftest.fparseln" 293#define COMMENT '#' 294int 295main(void) 296{ 297 static const char delim[3] = { '\0', '\0', COMMENT }; 298 FILE *fp; 299 char *ptr; 300 fp = fopen(CONFTEST, "w+"); 301 if (fp != NULL) { 302 unlink(CONFTEST); 303 ungetc(COMMENT, fp); 304 ptr = fparseln(fp, NULL, NULL, delim, 305 FPARSELN_UNESCALL); 306 fclose(fp); 307 if (ptr == NULL) 308 exit(0); 309 } 310 exit(1); 311} 312 ]])], 313 [AC_MSG_RESULT(yes)], 314 [AC_MSG_RESULT(no) 315 AC_DEFINE(BROKEN_FPARSELN, 1, 316 [Define to 1 if your `fparseln' function is broken.])], 317 [AC_MSG_WARN([cross compiling: not checking farseln])] 318 ) 319]) 320 321# Variables substituted via @VARNAME@ in defs.mk.in 322AC_SUBST(HAVE_PTHREAD_H, $ac_cv_header_pthread_h) 323 324AC_OUTPUT 325