1dnl 2dnl RCSid: 3dnl $Id: configure.in,v 1.57 2016/06/07 00:49:44 sjg Exp $ 4dnl 5dnl Process this file with autoconf to produce a configure script 6dnl 7AC_PREREQ(2.50) 8AC_INIT([bmake], [20160606], [sjg@NetBSD.org]) 9AC_CONFIG_HEADERS(config.h) 10 11dnl make srcdir absolute 12case "$srcdir" in 13/*) ;; 14*) srcdir=`cd $srcdir && pwd`;; 15esac 16 17dnl 18AC_ARG_WITH(defshell, 19[ --with-defshell=SHELL use SHELL by default - must be sh compatible, use sh or ksh to pick the internal definitions], 20[case "${withval}" in 21yes) AC_MSG_ERROR(bad value ${withval} given for bmake DEFSHELL) ;; 22no) ;; 23*) case "$with_defshell" in 24 sh) DEFSHELL_INDEX=DEFSHELL_INDEX_SH;; # it's the default anyway 25 ksh) DEFSHELL_INDEX=DEFSHELL_INDEX_KSH;; 26 csh) DEFSHELL_INDEX=DEFSHELL_INDEX_CSH;; # kidding right? 27 *) defshell_path=$with_defshell;; # better be sh compatible! 28 esac 29 ;; 30 esac]) 31dnl 32use_meta=yes 33AC_ARG_WITH(meta, 34[ --without-meta dissable use of meta-mode], 35[case "${withval}" in 36yes|no) use_meta=${withval};; 37*) AC_MSG_ERROR(bad value ${withval} given for meta) ;; 38esac]) 39dnl 40AC_ARG_WITH(filemon, 41[ --with-filemon=path/filemon.h indicate path to filemon.h for meta-mode], 42[ case "/${withval}" in 43/no|*/filemon.h) filemon_h="${withval}";; 44*/filemon*) filemon_h="${withval}/filemon.h";; 45*) AC_MSG_ERROR(bad value ${withval} given for filemon) ;; 46esac], 47[ 48OS=`uname -s` 49for d in "/usr/include/dev/filemon" "$prefix/include/dev/filemon" "$srcdir/filemon" "$srcdir/../filemon" "$srcdir/../../sys/dev/filemon" 50do 51 for x in "/$OS" "" 52 do 53 filemon_h="$d$x/filemon.h" 54 test -s "$filemon_h" && break 55 done 56 test -s "$filemon_h" && break 57done 58test -s "${filemon_h:-/dev/null}" || filemon_h=no 59]) 60dnl echo "Note: use_meta=$use_meta filemon_h=$filemon_h" >&6 61case "$use_meta" in 62yes) 63 case "$filemon_h" in 64 *.h) echo "Using: filemon=$filemon_h" >&6;; 65 esac 66 ;; 67esac 68dnl 69dnl Check for OS problems 70dnl Solaris's signal.h only privides sigset_t etc if one of 71dnl _EXTENSIONS_ _POSIX_C_SOURCE or _XOPEN_SOURCE are defined. 72dnl The later two seem to cause more problems than they solve so if we 73dnl see _EXTENSIONS_ we use it. 74AC_USE_SYSTEM_EXTENSIONS 75dnl Checks for programs. 76AC_PROG_CC 77AC_PROG_GCC_TRADITIONAL 78AC_PROG_INSTALL 79dnl Executable suffix - normally empty; .exe on os2. 80AC_SUBST(ac_exe_suffix)dnl 81dnl 82dnl Hurd refuses to define PATH_MAX or MAXPATHLEN 83if test -x /usr/bin/getconf; then 84 bmake_path_max=`getconf PATH_MAX / 2> /dev/null` 85 # only a numeric response is useful 86 test ${bmake_path_max:-0} -gt 0 2> /dev/null || bmake_path_max= 87fi 88bmake_path_max=${bmake_path_max:-1024} 89if test $bmake_path_max -gt 1024; then 90 # this is all we expect 91 bmake_path_max=1024 92fi 93echo "Using: BMAKE_PATH_MAX=$bmake_path_max" >&6 94AC_SUBST(bmake_path_max)dnl 95dnl 96dnl AC_C_CROSS 97dnl 98 99dnl Checks for header files. 100AC_HEADER_STDC 101AC_HEADER_SYS_WAIT 102AC_HEADER_DIRENT 103dnl Keep this list sorted 104AC_CHECK_HEADERS(sys/param.h) 105dnl On BSDi at least we really need sys/param.h for sys/sysctl.h 106AC_CHECK_HEADERS([sys/sysctl.h], [], [], 107[#ifdef HAVE_SYS_PARAM_H 108# include <sys/param.h> 109# endif 110]) 111 112AC_CHECK_HEADERS( \ 113 ar.h \ 114 err.h \ 115 fcntl.h \ 116 libgen.h \ 117 limits.h \ 118 paths.h \ 119 poll.h \ 120 ranlib.h \ 121 string.h \ 122 sys/mman.h \ 123 sys/select.h \ 124 sys/socket.h \ 125 sys/time.h \ 126 sys/uio.h \ 127 unistd.h \ 128 utime.h \ 129 ) 130 131dnl Both *BSD and Linux have sys/cdefs.h, most do not. 132dnl If it is missing, we add -I${srcdir}/missing to CFLAGS 133dnl also if sys/cdefs.h does not have __RCSID we need to use ours 134dnl but we need to include the host's one too *sigh* 135AC_CHECK_HEADER(sys/cdefs.h, 136echo $ECHO_N "checking whether sys/cdefs.h is compatible... $ECHO_C" >&6 137AC_EGREP_CPP(yes, 138[#include <sys/cdefs.h> 139#ifdef __RCSID 140yes 141#endif 142], 143echo yes >&6, 144echo no >&6; CPPFLAGS="${CPPFLAGS} -I`cd ${srcdir}/missing && pwd` -DNEED_HOST_CDEFS_H"), 145CPPFLAGS="${CPPFLAGS} -I`cd ${srcdir}/missing && pwd`") 146 147dnl Checks for typedefs, structures, and compiler characteristics. 148AC_C___ATTRIBUTE__ 149AC_C_BIGENDIAN 150AC_C_CONST 151AC_TYPE_MODE_T 152AC_TYPE_OFF_T 153AC_TYPE_PID_T 154AC_TYPE_SIZE_T 155AC_TYPE_UINT32_T 156AC_DECL_SYS_SIGLIST 157AC_HEADER_TIME 158AC_STRUCT_TM 159 160dnl Checks for library functions. 161AC_TYPE_SIGNAL 162AC_FUNC_VFORK 163AC_FUNC_VPRINTF 164AC_FUNC_WAIT3 165dnl Keep this list sorted 166AC_CHECK_FUNCS( \ 167 err \ 168 errx \ 169 getcwd \ 170 getenv \ 171 getopt \ 172 getwd \ 173 killpg \ 174 mmap \ 175 putenv \ 176 select \ 177 setenv \ 178 setpgid \ 179 setsid \ 180 sigaction \ 181 sigvec \ 182 snprintf \ 183 strerror \ 184 strftime \ 185 strsep \ 186 strtod \ 187 strtol \ 188 sysctl \ 189 unsetenv \ 190 vsnprintf \ 191 wait3 \ 192 wait4 \ 193 waitpid \ 194 warn \ 195 warnx \ 196 ) 197 198dnl functions which we may need to provide 199AC_REPLACE_FUNCS( \ 200 realpath \ 201 dirname \ 202 stresep \ 203 strlcpy \ 204 ) 205 206AC_CHECK_LIB([util], [emalloc], 207 [ AC_CHECK_LIB([util], [erealloc], 208 [ AC_CHECK_LIB([util], [estrdup], 209 [ AC_CHECK_LIB([util], [estrndup], 210 [ LIBS="$LIBS -lutil" 211 CPPFLAGS="$CPPFLAGS -DUSE_EMALLOC" ])])])]) 212 213dnl 214dnl Structures 215dnl 216AC_HEADER_STAT 217AC_STRUCT_ST_RDEV 218dnl 219echo "checking if compiler supports __func__" >&6 220AC_LANG(C) 221AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[[const char *func = __func__;]])],, 222 AC_DEFINE(__func__, __FUNCTION__, C99 function name)) 223dnl 224dnl we want this for unit-tests/Makefile 225echo $ECHO_N "checking if diff -u works... $ECHO_C" >&6 226if diff -u /dev/null /dev/null > /dev/null 2>&1; then 227 diff_u=-u 228 echo yes >&6 229else 230 diff_u= 231 echo no >&6 232fi 233dnl 234dnl AC_* don't quite cut it. 235dnl 236echo "checking for MACHINE & MACHINE_ARCH..." >&6 237cat > conftest.$ac_ext <<EOF 238#include "confdefs.h" 239#include <sys/param.h> 240#ifdef MACHINE 241machine=MACHINE 242#endif 243#ifdef MACHINE_ARCH 244machine_arch=MACHINE_ARCH 245#endif 246EOF 247 248default_machine=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | 249 egrep machine= | tr -d ' "'` 250rm -rf conftest* 251if test "$default_machine"; then 252 eval "$default_machine" 253fi 254machine=${machine:-`$srcdir/machine.sh`} 255machine_arch=${machine_arch:-`$srcdir/machine.sh arch`} 256echo "defaults: MACHINE=$machine, MACHINE_ARCH=$machine_arch" 1>&6 257dnl 258dnl now allow overrides 259dnl 260AC_ARG_WITH(machine, 261[ --with-machine=MACHINE explicitly set MACHINE], 262[case "${withval}" in 263yes) AC_MSG_ERROR(bad value ${withval} given for bmake MACHINE) ;; 264no) ;; 265generic) machine=`$srcdir/machine.sh`;; 266*) machine=$with_machine;; 267esac]) 268force_machine= 269AC_ARG_WITH(force_machine, 270[ --with-force-machine=MACHINE set FORCE_MACHINE], 271[case "${withval}" in 272yes) force_machine=FORCE_;; 273no) ;; 274*) force_machine=FORCE_; machine=$with_force_machine;; 275esac]) 276dnl 277force_machine_arch= 278AC_ARG_WITH(force_machine_arch, 279[ --with-force-machine-arch=MACHINE set FORCE_MACHINE_ARCH], 280[case "${withval}" in 281yes) force_machine_arch=FORCE_;; 282no) ;; 283*) force_machine_arch=FORCE_; machine_arch=$with_force_machine;; 284esac]) 285dnl 286AC_ARG_WITH(machine_arch, 287[ --with-machine_arch=MACHINE_ARCH explicitly set MACHINE_ARCH], 288[case "${withval}" in 289yes) AC_MSG_ERROR(bad value ${withval} given for bmake MACHINE_ARCH) ;; 290no) ;; 291*) machine_arch=$with_machine_arch;; 292esac]) 293dnl 294dnl Tell them what we ended up with 295dnl 296echo "Using: ${force_machine}MACHINE=$machine, MACHINE_ARCH=$machine_arch" 1>&6 297dnl 298dnl Allow folk to control _PATH_DEFSYSPATH 299dnl 300default_sys_path=\${prefix}/share/mk 301AC_ARG_WITH(default-sys-path, 302[ --with-default-sys-path=PATH:DIR:LIST use an explicit _PATH_DEFSYSPATH 303 MAKESYSPATH is a ':' separated list of directories 304 that bmake will search for system .mk files. 305 _PATH_DEFSYSPATH is its default value.], 306[case "${withval}" in 307yes) AC_MSG_ERROR(bad value ${withval} given for bmake _PATH_DEFSYSPATH) ;; 308no) ;; 309*) default_sys_path="$with_default_sys_path" 310 ;; 311esac]) 312dnl 313dnl Some folk don't like this one 314dnl 315AC_ARG_WITH(path-objdirprefix, 316[ --with-path-objdirprefix=PATH override _PATH_OBJDIRPREFIX], 317[case "${withval}" in 318yes) AC_MSG_ERROR(bad value ${withval} given for bmake _PATH_OBJDIRPREFIX) ;; 319no) CPPFLAGS="$CPPFLAGS -DNO_PATH_OBJDIRPREFIX" ;; 320*) CPPFLAGS="$CPPFLAGS \"-D_PATH_OBJDIRPREFIX=\\\"$with_path-objdir\\\"\"" ;; 321esac]) 322dnl 323dnl And this can be handy to do with out. 324dnl 325AC_ARG_ENABLE(pwd-override, 326[ --disable-pwd-override disable \$PWD overriding getcwd()], 327[case "${enableval}" in 328yes) ;; 329no) CPPFLAGS="$CPPFLAGS -DNO_PWD_OVERRIDE" ;; 330*) AC_MSG_ERROR(bad value ${enableval} given for pwd-override option) ;; 331esac]) 332dnl 333dnl Just for grins 334dnl 335AC_ARG_ENABLE(check-make-chdir, 336[ --disable-check-make-chdir disable make trying to guess 337 when it should automatically cd \${.CURDIR}], 338[case "${enableval}" in 339yes) ;; 340no) CPPFLAGS="$CPPFLAGS -DNO_CHECK_MAKE_CHDIR" ;; 341*) AC_MSG_ERROR(bad value ${enableval} given for check-make-chdir option) ;; 342esac]) 343dnl 344dnl On non-BSD systems, bootstrap won't work without mk 345dnl 346AC_ARG_WITH(mksrc, 347[ --with-mksrc=PATH tell makefile.boot where to find mk src], 348[case "${withval}" in 349""|yes|no) ;; 350*) test -s $withval/install-mk && mksrc=$withval || 351AC_MSG_ERROR(bad value ${withval} given for mksrc cannot find install-mk) 352;; 353esac 354]) 355dnl 356dnl Now make sure we have a value 357dnl 358srcdir=`cd $srcdir && pwd` 359for mksrc in $mksrc $srcdir/mk $srcdir/../mk mk 360do 361 test -s $mksrc/install-mk || continue 362 mksrc=`cd $mksrc && pwd` 363 break 364done 365mksrc=`echo $mksrc | sed "s,$srcdir,\\\${srcdir},"` 366echo "Using: MKSRC=$mksrc" 1>&6 367dnl On some systems we want a different default shell by default 368if test -x /usr/xpg4/bin/sh; then 369 defshell_path=${defshell_path:-/usr/xpg4/bin/sh} 370fi 371if test -n "$defshell_path"; then 372 echo "Using: SHELL=$defshell_path" >&6 373 AC_DEFINE_UNQUOTED(DEFSHELL_CUSTOM, "$defshell_path", Path of default shell) 374fi 375if test -n "$DEFSHELL_INDEX"; then 376 AC_DEFINE_UNQUOTED(DEFSHELL_INDEX, $DEFSHELL_INDEX, Shell spec to use by default) 377fi 378dnl 379AC_SUBST(machine) 380AC_SUBST(force_machine) 381AC_SUBST(machine_arch) 382AC_SUBST(mksrc) 383AC_SUBST(default_sys_path) 384AC_SUBST(INSTALL) 385AC_SUBST(GCC) 386AC_SUBST(diff_u) 387AC_SUBST(use_meta) 388AC_SUBST(filemon_h) 389AC_OUTPUT(makefile Makefile.config make-bootstrap.sh unit-tests/Makefile) 390 391cat <<EOF 392 393You can now run 394 395 sh ./make-bootstrap.sh 396 397to produce a fully functional bmake. 398 399EOF 400