configure.ac revision 1.95
1# $NetBSD: configure.ac,v 1.95 2019/06/19 03:40:15 kamil 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], "$BSHELL", [Path to sh(1).]) 57 58AC_C_BIGENDIAN 59AC_HEADER_STDC 60 61# Confirm existence of zlib. (This is available as a default install 62# option on many OS's; this could be added as a reachover build in the 63# future.) 64AC_CHECK_HEADER(zlib.h,, 65 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 66AC_CHECK_LIB(z, gzdopen,, 67 AC_MSG_ERROR([zlib must be installed in a compiler-visible path])) 68 69# Make sure certain required headers are available. 70# These are not necessarily required by the code, but they are not 71# currently conditionalized. 72AC_CHECK_HEADERS(sys/ioctl.h sys/mman.h sys/param.h \ 73 sys/socket.h sys/stat.h sys/time.h sys/types.h sys/utsname.h \ 74 sys/wait.h assert.h ctype.h errno.h fcntl.h grp.h limits.h locale.h \ 75 netdb.h pwd.h signal.h stdarg.h stdio.h stdlib.h string.h \ 76 termios.h unistd.h,, 77 AC_MSG_ERROR([standard system header file not found])) 78 79# Find headers that may not be available. 80AC_HEADER_DIRENT 81AC_CHECK_HEADERS(sys/mtio.h sys/sysmacros.h sys/syslimits.h stdio_ext.h \ 82 getopt.h features.h malloc.h sys/poll.h pthread.h stddef.h rpc/types.h \ 83 sys/uio.h) 84AC_CHECK_HEADERS(sys/bswap.h machine/bswap.h sys/cdefs.h machine/endian.h \ 85 sys/endian.h sys/featuretest.h err.h inttypes.h libgen.h paths.h \ 86 libgen.h stdint.h util.h resolv.h arpa/nameser.h,, 87 [test -f include/$ac_header || touch include/$ac_header]) 88AC_CHECK_HEADERS(rpc/types.h netconfig.h,, 89 [echo '#include "nbtool_config.h"' >include/$ac_header.new 90 echo '#include "'$srcdir/../../include/$ac_header'"' \ 91 >>include/$ac_header.new 92 if cmp include/$ac_header.new include/$ac_header >/dev/null 2>&1; then 93 rm -f include/$ac_header.new 94 else 95 mv -f include/$ac_header.new include/$ac_header 96 fi]) 97 98# Typedefs. 99AC_TYPE_SIZE_T 100AC_CHECK_TYPES([id_t, long long, u_long, u_char, u_short, u_int, u_quad_t]) 101AC_CHECK_TYPE(socklen_t, [AC_DEFINE([HAVE_SOCKLEN_T], 1, 102 [Define if you have the socklen_t type.])],, 103[#include <sys/types.h> 104#ifdef HAVE_RPC_TYPES_H 105#include <rpc/types.h> 106#endif 107#include <sys/socket.h>]) 108 109AC_MSG_CHECKING([for enum uio_rw]) 110AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 111#include <sys/types.h> 112#ifdef HAVE_SYS_UIO_H 113#include <sys/uio.h> 114#endif]], 115[[enum uio_rw rw;]])],[AC_DEFINE([HAVE_ENUM_UIO_RW], 1, 116 [Define if you have the enum uio_rw type.])],) 117 118AC_MSG_CHECKING([for enum uio_seg]) 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_seg seg;]])],[AC_DEFINE([HAVE_ENUM_UIO_SEG], 1, 125 [Define if you have the enum uio_seg type.])],) 126 127dnl XXX - This is UGLY. Need a better way to homogenize the bitsized types, 128dnl including use of compiler primitive types via AC_CHECK_SIZEOF. 129dnl 130define([NB_CHECK_INTTYPE], [ 131 AC_CHECK_TYPE(uint][$1][_t,, [ 132 AC_CHECK_TYPE(u_int][$1][_t, 133 AC_DEFINE(uint][$1][_t, u_int][$1][_t, \ 134 [Define if you have u_int][$1][_t, but not uint][$1][_t.]), 135 AC_MSG_ERROR([cannot find a suitable type for uint][$1][_t])) 136 ]) 137 AC_CHECK_TYPE(u_int][$1][_t,, [ 138 AC_CHECK_TYPE(uint][$1][_t, 139 AC_DEFINE(u_int][$1][_t, uint][$1][_t, \ 140 [Define if you have uint][$1][_t, but not u_int][$1][_t.]), 141 AC_MSG_ERROR([cannot find a suitable type for u_int][$1][_t])) 142 ]) 143]) 144 145NB_CHECK_INTTYPE(8) 146NB_CHECK_INTTYPE(16) 147NB_CHECK_INTTYPE(32) 148NB_CHECK_INTTYPE(64) 149 150# Struct members. 151AC_CHECK_MEMBERS([DIR.dd_fd, DIR.__dd_fd, struct dirent.d_namlen],,, 152[#include <sys/types.h> 153#include <dirent.h>]) 154AC_CHECK_MEMBERS([struct stat.st_flags, struct stat.st_gen, 155 struct stat.st_birthtime, struct stat.st_birthtimensec, 156 struct stat.st_atim, struct stat.st_mtimensec],,, 157 [#include <sys/stat.h>]) 158AC_CHECK_MEMBERS(struct statvfs.f_iosize,,, [#include <sys/statvfs.h>]) 159AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,, [#include <time.h>]) 160 161# Global variable decls. 162AC_CHECK_DECLS([asprintf, asnprintf, vasprintf, vasnprintf, vsnprintf, fgetln, fparseln, 163 fpurge, getdelim, getline, snprintf],,, [ 164#include <stdio.h> 165]) 166 167AC_CHECK_DECLS([atoll, heapsort, mkdtemp, mkstemp, reallocarr, getsubopt, 168 setenv, strtoi, strtoll, strtou, setprogname, getprogname],,, [ 169#include <stdlib.h> 170]) 171 172AC_CHECK_DECLS([basename, dirname],,, [ 173#include <libgen.h> 174]) 175 176AC_CHECK_DECLS([raise_default_signal],,, [ 177#include <util.h> 178]) 179 180AC_CHECK_DECLS([issetugid, pread, pwrite],,, [ 181#include <unistd.h> 182]) 183 184AC_CHECK_DECLS([strmode],,, [ 185#include <unistd.h> 186#include <string.h> 187]) 188 189AC_CHECK_DECLS([isblank],,, [ 190#include <ctype.h> 191]) 192 193 194AC_CHECK_DECLS([optind, optreset],,, [ 195#include <stdio.h> 196#include <stdlib.h> 197#include <unistd.h> 198#ifdef HAVE_GETOPT_H 199#include <getopt.h> 200#endif 201]) 202AC_CHECK_DECLS(sys_signame,,, [#include <signal.h>]) 203 204# Library functions (where a .h check isn't enough). 205AC_FUNC_ALLOCA 206AC_CHECK_FUNCS(atoll asprintf asnprintf basename devname dirfd dirname \ 207 dprintf esetfunc fgetln flock fpurge __fpurge futimes getline \ 208 getopt getopt_long group_from_gid gid_from_group \ 209 heapsort isblank issetugid lchflags lchmod lchown lutimes mkstemp \ 210 mkdtemp poll pread putc_unlocked pwcache_userdb pwcache_groupdb \ 211 pwrite raise_default_signal random reallocarr setenv \ 212 setgroupent setprogname setpassent \ 213 snprintb_m snprintf strlcat strlcpy strmode \ 214 strcasecmp strncasecmp strndup strnlen strsep strsuftoll strtoi \ 215 strtoll strtou \ 216 user_from_uid uid_from_user vasprintf vasnprintf vsnprintf) 217 218AC_CHECK_DECLS([user_from_uid, uid_from_user, pwcache_userdb],,,[ 219#include <pwd.h> 220]) 221AC_CHECK_DECLS([group_from_gid, gid_from_group, pwcache_groupdb],,,[ 222#include <grp.h> 223]) 224AC_CHECK_DECLS([strcasecmp, strncasecmp, strlcpy, strlcat, strndup, 225 strnlen, strsep],,,[ 226#include <string.h> 227]) 228AC_CHECK_DECLS([strsuftoll, mi_vector_hash],,,[#include <stdlib.h>]) 229AC_CHECK_DECLS([lchflags, lchmod, lchown],,,[ 230#include <sys/stat.h> 231#include <unistd.h> 232]) 233 234AC_CHECK_DECLS([err, errc, errx, verrc, verrx, warn, warnc, warnx, vwarnc, 235 vwarnx],,,[ 236#ifdef HAVE_ERR_H 237#include <err.h> 238#endif 239]) 240 241AC_CHECK_DECLS([htobe16, htobe32, htobe64, htole16, htole32, htole64, 242 be16toh, be32toh, be64toh, le16toh, le32toh, le64toh],,, 243 [#include <sys/types.h>]) 244 245AC_CHECK_DECLS([bswap16, bswap32, bswap64],,, [#include <machine/bswap.h>]) 246 247AC_CHECK_DECLS([be16enc, le16enc, be16dec, le16dec, be32enc, le32enc, 248 be32dec, le32dec, be64enc, le64enc, be64dec, le64dec],,, 249 [#include <sys/endian.h>]) 250 251AC_CHECK_DECLS([fstatvfs],,, [#include <sys/statvfs.h>]) 252 253AC_CHECK_DECLS([setgroupent, setpassent],,, [ 254#include <sys/types.h> 255#include <grp.h> 256#include <pwd.h> 257]) 258 259# regcomp() and regexec() are also names of functions in the old V8 260# regexp package. To avoid them, we need to find out who has regfree(). 261 262dnl # Cygwin: We *MUST* look at -lregex *before* the "no libs" condition. 263dnl # Thus AC_CHECK_LIB(regex...) comes first, and AC_SEARCHLIBS next. 264AC_CHECK_LIB(regex, regfree) 265AC_SEARCH_LIBS(regfree, rx posix) 266 267AC_CHECK_LIB(rt, clock_gettime) 268 269AC_CHECK_FUNCS(fparseln, [ 270 AC_MSG_CHECKING(if fparseln seems to work) 271 AC_RUN_IFELSE( 272 [AC_LANG_SOURCE([[ 273#define _NETBSD_SOURCE 274#include <stdio.h> 275#include <stdlib.h> 276#define CONFTEST "conftest.fparseln" 277#define COMMENT '#' 278int 279main(void) 280{ 281 static const char delim[3] = { '\0', '\0', COMMENT }; 282 FILE *fp; 283 char *ptr; 284 fp = fopen(CONFTEST, "w+"); 285 if (fp != NULL) { 286 unlink(CONFTEST); 287 ungetc(COMMENT, fp); 288 ptr = fparseln(fp, NULL, NULL, delim, 289 FPARSELN_UNESCALL); 290 fclose(fp); 291 if (ptr == NULL) 292 exit(0); 293 } 294 exit(1); 295} 296 ]])], 297 [AC_MSG_RESULT(yes)], 298 [AC_MSG_RESULT(no) 299 AC_DEFINE(BROKEN_FPARSELN, 1, 300 [Define to 1 if your `fparseln' function is broken.])], 301 [AC_MSG_WARN([cross compiling: not checking farseln])] 302 ) 303]) 304 305# Variables substituted via @VARNAME@ in defs.mk.in 306AC_SUBST(HAVE_PTHREAD_H, $ac_cv_header_pthread_h) 307 308AC_OUTPUT 309