configure.ac revision 1.96
1# $NetBSD: configure.ac,v 1.96 2019/06/19 23:33:07 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_TYPES([uchar_t, ushort_t, uint_t, ulong_t]) 102AC_CHECK_TYPE(socklen_t, [AC_DEFINE([HAVE_SOCKLEN_T], 1, 103 [Define if you have the socklen_t type.])],, 104[#include <sys/types.h> 105#ifdef HAVE_RPC_TYPES_H 106#include <rpc/types.h> 107#endif 108#include <sys/socket.h>]) 109 110AC_MSG_CHECKING([for enum uio_rw]) 111AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 112#include <sys/types.h> 113#ifdef HAVE_SYS_UIO_H 114#include <sys/uio.h> 115#endif]], 116[[enum uio_rw rw;]])],[AC_DEFINE([HAVE_ENUM_UIO_RW], 1, 117 [Define if you have the enum uio_rw type.])],) 118 119AC_MSG_CHECKING([for enum uio_seg]) 120AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 121#include <sys/types.h> 122#ifdef HAVE_SYS_UIO_H 123#include <sys/uio.h> 124#endif]], 125[[enum uio_seg seg;]])],[AC_DEFINE([HAVE_ENUM_UIO_SEG], 1, 126 [Define if you have the enum uio_seg type.])],) 127 128dnl XXX - This is UGLY. Need a better way to homogenize the bitsized types, 129dnl including use of compiler primitive types via AC_CHECK_SIZEOF. 130dnl 131define([NB_CHECK_INTTYPE], [ 132 AC_CHECK_TYPE(uint][$1][_t,, [ 133 AC_CHECK_TYPE(u_int][$1][_t, 134 AC_DEFINE(uint][$1][_t, u_int][$1][_t, \ 135 [Define if you have u_int][$1][_t, but not uint][$1][_t.]), 136 AC_MSG_ERROR([cannot find a suitable type for uint][$1][_t])) 137 ]) 138 AC_CHECK_TYPE(u_int][$1][_t,, [ 139 AC_CHECK_TYPE(uint][$1][_t, 140 AC_DEFINE(u_int][$1][_t, uint][$1][_t, \ 141 [Define if you have uint][$1][_t, but not u_int][$1][_t.]), 142 AC_MSG_ERROR([cannot find a suitable type for u_int][$1][_t])) 143 ]) 144]) 145 146NB_CHECK_INTTYPE(8) 147NB_CHECK_INTTYPE(16) 148NB_CHECK_INTTYPE(32) 149NB_CHECK_INTTYPE(64) 150 151# Struct members. 152AC_CHECK_MEMBERS([DIR.dd_fd, DIR.__dd_fd, struct dirent.d_namlen],,, 153[#include <sys/types.h> 154#include <dirent.h>]) 155AC_CHECK_MEMBERS([struct stat.st_flags, struct stat.st_gen, 156 struct stat.st_birthtime, struct stat.st_birthtimensec, 157 struct stat.st_atim, struct stat.st_mtimensec],,, 158 [#include <sys/stat.h>]) 159AC_CHECK_MEMBERS(struct statvfs.f_iosize,,, [#include <sys/statvfs.h>]) 160AC_CHECK_MEMBERS(struct tm.tm_gmtoff,,, [#include <time.h>]) 161 162# Global variable decls. 163AC_CHECK_DECLS([asprintf, asnprintf, vasprintf, vasnprintf, vsnprintf, fgetln, fparseln, 164 fpurge, getdelim, getline, snprintf],,, [ 165#include <stdio.h> 166]) 167 168AC_CHECK_DECLS([atoll, heapsort, mkdtemp, mkstemp, reallocarr, getsubopt, 169 setenv, strtoi, strtoll, strtou, setprogname, getprogname],,, [ 170#include <stdlib.h> 171]) 172 173AC_CHECK_DECLS([basename, dirname],,, [ 174#include <libgen.h> 175]) 176 177AC_CHECK_DECLS([raise_default_signal],,, [ 178#include <util.h> 179]) 180 181AC_CHECK_DECLS([issetugid, pread, pwrite],,, [ 182#include <unistd.h> 183]) 184 185AC_CHECK_DECLS([strmode],,, [ 186#include <unistd.h> 187#include <string.h> 188]) 189 190AC_CHECK_DECLS([isblank],,, [ 191#include <ctype.h> 192]) 193 194 195AC_CHECK_DECLS([optind, optreset],,, [ 196#include <stdio.h> 197#include <stdlib.h> 198#include <unistd.h> 199#ifdef HAVE_GETOPT_H 200#include <getopt.h> 201#endif 202]) 203AC_CHECK_DECLS(sys_signame,,, [#include <signal.h>]) 204 205# Library functions (where a .h check isn't enough). 206AC_FUNC_ALLOCA 207AC_CHECK_FUNCS(atoll asprintf asnprintf basename devname dirfd dirname \ 208 dprintf esetfunc fgetln flock fpurge __fpurge futimes getline \ 209 getopt getopt_long group_from_gid gid_from_group \ 210 heapsort isblank issetugid lchflags lchmod lchown lutimes mkstemp \ 211 mkdtemp poll pread putc_unlocked pwcache_userdb pwcache_groupdb \ 212 pwrite raise_default_signal random reallocarr setenv \ 213 setgroupent setprogname setpassent \ 214 snprintb_m snprintf strlcat strlcpy strmode \ 215 strcasecmp strncasecmp strndup strnlen strsep strsuftoll strtoi \ 216 strtoll strtou \ 217 user_from_uid uid_from_user vasprintf vasnprintf vsnprintf) 218 219AC_CHECK_DECLS([user_from_uid, uid_from_user, pwcache_userdb],,,[ 220#include <pwd.h> 221]) 222AC_CHECK_DECLS([group_from_gid, gid_from_group, pwcache_groupdb],,,[ 223#include <grp.h> 224]) 225AC_CHECK_DECLS([strcasecmp, strncasecmp, strlcpy, strlcat, strndup, 226 strnlen, strsep],,,[ 227#include <string.h> 228]) 229AC_CHECK_DECLS([strsuftoll, mi_vector_hash],,,[#include <stdlib.h>]) 230AC_CHECK_DECLS([lchflags, lchmod, lchown],,,[ 231#include <sys/stat.h> 232#include <unistd.h> 233]) 234 235AC_CHECK_DECLS([err, errc, errx, verrc, verrx, warn, warnc, warnx, vwarnc, 236 vwarnx],,,[ 237#ifdef HAVE_ERR_H 238#include <err.h> 239#endif 240]) 241 242AC_CHECK_DECLS([htobe16, htobe32, htobe64, htole16, htole32, htole64, 243 be16toh, be32toh, be64toh, le16toh, le32toh, le64toh],,, 244 [#include <sys/types.h>]) 245 246AC_CHECK_DECLS([bswap16, bswap32, bswap64],,, [#include <machine/bswap.h>]) 247 248AC_CHECK_DECLS([be16enc, le16enc, be16dec, le16dec, be32enc, le32enc, 249 be32dec, le32dec, be64enc, le64enc, be64dec, le64dec],,, 250 [#include <sys/endian.h>]) 251 252AC_CHECK_DECLS([fstatvfs],,, [#include <sys/statvfs.h>]) 253 254AC_CHECK_DECLS([setgroupent, setpassent],,, [ 255#include <sys/types.h> 256#include <grp.h> 257#include <pwd.h> 258]) 259 260# regcomp() and regexec() are also names of functions in the old V8 261# regexp package. To avoid them, we need to find out who has regfree(). 262 263dnl # Cygwin: We *MUST* look at -lregex *before* the "no libs" condition. 264dnl # Thus AC_CHECK_LIB(regex...) comes first, and AC_SEARCHLIBS next. 265AC_CHECK_LIB(regex, regfree) 266AC_SEARCH_LIBS(regfree, rx posix) 267 268AC_CHECK_LIB(rt, clock_gettime) 269 270AC_CHECK_FUNCS(fparseln, [ 271 AC_MSG_CHECKING(if fparseln seems to work) 272 AC_RUN_IFELSE( 273 [AC_LANG_SOURCE([[ 274#define _NETBSD_SOURCE 275#include <stdio.h> 276#include <stdlib.h> 277#define CONFTEST "conftest.fparseln" 278#define COMMENT '#' 279int 280main(void) 281{ 282 static const char delim[3] = { '\0', '\0', COMMENT }; 283 FILE *fp; 284 char *ptr; 285 fp = fopen(CONFTEST, "w+"); 286 if (fp != NULL) { 287 unlink(CONFTEST); 288 ungetc(COMMENT, fp); 289 ptr = fparseln(fp, NULL, NULL, delim, 290 FPARSELN_UNESCALL); 291 fclose(fp); 292 if (ptr == NULL) 293 exit(0); 294 } 295 exit(1); 296} 297 ]])], 298 [AC_MSG_RESULT(yes)], 299 [AC_MSG_RESULT(no) 300 AC_DEFINE(BROKEN_FPARSELN, 1, 301 [Define to 1 if your `fparseln' function is broken.])], 302 [AC_MSG_WARN([cross compiling: not checking farseln])] 303 ) 304]) 305 306# Variables substituted via @VARNAME@ in defs.mk.in 307AC_SUBST(HAVE_PTHREAD_H, $ac_cv_header_pthread_h) 308 309AC_OUTPUT 310