1dnl 2dnl RCSid: 3dnl $Id: configure.in,v 1.48 2013/03/04 21:25:57 sjg Exp $ 4dnl 5dnl Process this file with autoconf to produce a configure script 6dnl 7AC_INIT([bmake], [20130303], [sjg@NetBSD.org]) 8AC_CONFIG_HEADER(config.h) 9 10dnl make srcdir absolute 11case "$srcdir" in 12/*) ;; 13*) srcdir=`cd $srcdir && pwd`;; 14esac 15 16dnl 17AC_ARG_WITH(defshell, 18[ --with-defshell=SHELL use SHELL by default - must be sh compatible, use sh or ksh to pick the internal definitions], 19[case "${withval}" in 20yes) AC_MSG_ERROR(bad value ${withval} given for bmake DEFSHELL) ;; 21no) ;; 22*) case "$with_defshell" in 23 sh) DEFSHELL_INDEX=DEFSHELL_INDEX_SH;; # it's the default anyway 24 ksh) DEFSHELL_INDEX=DEFSHELL_INDEX_KSH;; 25 csh) DEFSHELL_INDEX=DEFSHELL_INDEX_CSH;; # kidding right? 26 *) defshell_path=$with_defshell;; # better be sh compatible! 27 esac 28 ;; 29 esac]) 30dnl 31use_meta=yes 32AC_ARG_WITH(meta, 33[ --without-meta dissable use of meta-mode], 34[case "${withval}" in 35yes|no) use_meta=${withval};; 36*) AC_MSG_ERROR(bad value ${withval} given for meta) ;; 37esac]) 38dnl 39AC_ARG_WITH(filemon, 40[ --with-filemon=path/filemon.h indicate path to filemon.h for meta-mode], 41[ case "/${withval}" in 42/no|*/filemon.h) filemon_h="${withval}";; 43*/filemon*) filemon_h="${withval}/filemon.h";; 44*) AC_MSG_ERROR(bad value ${withval} given for filemon) ;; 45esac], 46[ 47OS=`uname -s` 48for d in "/usr/include/dev/filemon" "$prefix/include/dev/filemon" "$srcdir/filemon" "$srcdir/../filemon" "$srcdir/../../sys/dev/filemon" 49do 50 for x in "/$OS" "" 51 do 52 filemon_h="$d$x/filemon.h" 53 test -s "$filemon_h" && break 54 done 55 test -s "$filemon_h" && break 56done 57test -s "${filemon_h:-/dev/null}" || filemon_h=no 58]) 59dnl echo "Note: use_meta=$use_meta filemon_h=$filemon_h" >&6 60case "$use_meta" in 61yes) 62 case "$filemon_h" in 63 *.h) echo "Using: filemon=$filemon_h" >&6;; 64 esac 65 ;; 66esac 67dnl 68dnl Check for OS problems 69dnl Solaris's signal.h only privides sigset_t etc if one of 70dnl _EXTENSIONS_ _POSIX_C_SOURCE or _XOPEN_SOURCE are defined. 71dnl The later two seem to cause more problems than they solve so if we 72dnl see _EXTENSIONS_ we use it. 73AC_USE_SYSTEM_EXTENSIONS 74dnl Checks for programs. 75AC_PROG_CC 76AC_PROG_GCC_TRADITIONAL 77AC_PROG_INSTALL 78dnl Executable suffix - normally empty; .exe on os2. 79AC_SUBST(ac_exe_suffix)dnl 80 81dnl 82dnl Check if /bin/sh will pass .MAKE.LEVEL 83echo $ECHO_N "checking if sh will pass .MAKE. variables... $ECHO_C" >&6 84ok=`env .MAKE.LEVEL=1 /bin/sh -c env | grep LEVEL=` 85case "$ok" in 86"") echo no >&6; CPPFLAGS="${CPPFLAGS} -DNEED_MAKE_LEVEL_SAFE";; 87*) echo yes >&6;; 88esac 89 90dnl 91dnl AC_C_CROSS 92dnl 93 94dnl Checks for header files. 95AC_HEADER_STDC 96AC_HEADER_SYS_WAIT 97AC_HEADER_DIRENT 98dnl Keep this list sorted 99AC_CHECK_HEADERS( \ 100 ar.h \ 101 err.h \ 102 fcntl.h \ 103 paths.h \ 104 poll.h \ 105 ranlib.h \ 106 string.h \ 107 sys/mman.h \ 108 sys/select.h \ 109 sys/socket.h \ 110 sys/time.h \ 111 sys/uio.h \ 112 unistd.h \ 113 utime.h \ 114 ) 115 116dnl Both *BSD and Linux have sys/cdefs.h, most do not. 117dnl If it is missing, we add -I${srcdir}/missing to CFLAGS 118dnl also if sys/cdefs.h does not have __RCSID we need to use ours 119dnl but we need to include the host's one too *sigh* 120AC_CHECK_HEADER(sys/cdefs.h, 121echo $ECHO_N "checking whether sys/cdefs.h is compatible... $ECHO_C" >&6 122AC_EGREP_CPP(yes, 123[#include <sys/cdefs.h> 124#ifdef __RCSID 125yes 126#endif 127], 128echo yes >&6, 129echo no >&6; CPPFLAGS="${CPPFLAGS} -I`cd ${srcdir}/missing && pwd` -DNEED_HOST_CDEFS_H"), 130CPPFLAGS="${CPPFLAGS} -I`cd ${srcdir}/missing && pwd`") 131 132dnl Checks for typedefs, structures, and compiler characteristics. 133AC_C___ATTRIBUTE__ 134AC_C_BIGENDIAN 135AC_C_CONST 136AC_TYPE_OFF_T 137AC_TYPE_PID_T 138AC_TYPE_SIZE_T 139AC_DECL_SYS_SIGLIST 140AC_HEADER_TIME 141AC_STRUCT_TM 142 143dnl Checks for library functions. 144AC_TYPE_SIGNAL 145AC_FUNC_VFORK 146AC_FUNC_VPRINTF 147AC_FUNC_WAIT3 148dnl Keep this list sorted 149AC_CHECK_FUNCS( \ 150 err \ 151 errx \ 152 getcwd \ 153 getenv \ 154 getopt \ 155 getwd \ 156 killpg \ 157 mmap \ 158 putenv \ 159 select \ 160 setenv \ 161 setpgid \ 162 setsid \ 163 sigaction \ 164 sigvec \ 165 snprintf \ 166 strerror \ 167 strftime \ 168 strsep \ 169 strtod \ 170 strtol \ 171 unsetenv \ 172 vsnprintf \ 173 wait3 \ 174 wait4 \ 175 waitpid \ 176 warn \ 177 warnx \ 178 ) 179 180dnl functions which we may need to provide 181AC_REPLACE_FUNCS( \ 182 realpath \ 183 dirname \ 184 stresep \ 185 strlcpy \ 186 ) 187 188AC_CHECK_LIB([util], [emalloc], 189 [ AC_CHECK_LIB([util], [erealloc], 190 [ AC_CHECK_LIB([util], [estrdup], 191 [ AC_CHECK_LIB([util], [estrndup], 192 [ LIBS="$LIBS -lutil" 193 CPPFLAGS="$CPPFLAGS -DUSE_EMALLOC" ])])])]) 194 195dnl 196dnl Structures 197dnl 198AC_HEADER_STAT 199AC_STRUCT_ST_RDEV 200dnl 201dnl we want this for unit-tests/Makefile 202echo $ECHO_N "checking if diff -u works... $ECHO_C" >&6 203if diff -u /dev/null /dev/null > /dev/null 2>&1; then 204 diff_u=-u 205 echo yes >&6 206else 207 diff_u= 208 echo no >&6 209fi 210dnl 211dnl AC_* don't quite cut it. 212dnl 213echo "checking for MACHINE & MACHINE_ARCH..." >&6 214cat > conftest.$ac_ext <<EOF 215#include "confdefs.h" 216#include <sys/param.h> 217#ifdef MACHINE 218machine=MACHINE 219#endif 220#ifdef MACHINE_ARCH 221machine_arch=MACHINE_ARCH 222#endif 223EOF 224 225default_machine=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | 226 egrep machine= | tr -d ' "'` 227rm -rf conftest* 228if test "$default_machine"; then 229 eval "$default_machine" 230fi 231machine=${machine:-`$srcdir/machine.sh`} 232machine_arch=${machine_arch:-`$srcdir/machine.sh arch`} 233echo "defaults: MACHINE=$machine, MACHINE_ARCH=$machine_arch" 1>&6 234dnl 235dnl now allow overrides 236dnl 237AC_ARG_WITH(machine, 238[ --with-machine=MACHINE explicitly set MACHINE], 239[case "${withval}" in 240yes) AC_MSG_ERROR(bad value ${withval} given for bmake MACHINE) ;; 241no) ;; 242generic) machine=`$srcdir/machine.sh`;; 243*) machine=$with_machine;; 244esac]) 245force_machine= 246AC_ARG_WITH(force_machine, 247[ --with-force-machine=MACHINE set FORCE_MACHINE], 248[case "${withval}" in 249yes) force_machine=FORCE_;; 250no) ;; 251*) force_machine=FORCE_; machine=$with_force_machine;; 252esac]) 253dnl 254force_machine_arch= 255AC_ARG_WITH(force_machine_arch, 256[ --with-force-machine-arch=MACHINE set FORCE_MACHINE_ARCH], 257[case "${withval}" in 258yes) force_machine_arch=FORCE_;; 259no) ;; 260*) force_machine_arch=FORCE_; machine_arch=$with_force_machine;; 261esac]) 262dnl 263AC_ARG_WITH(machine_arch, 264[ --with-machine_arch=MACHINE_ARCH explicitly set MACHINE_ARCH], 265[case "${withval}" in 266yes) AC_MSG_ERROR(bad value ${withval} given for bmake MACHINE_ARCH) ;; 267no) ;; 268*) machine_arch=$with_machine_arch;; 269esac]) 270dnl 271dnl Tell them what we ended up with 272dnl 273echo "Using: ${force_machine}MACHINE=$machine, MACHINE_ARCH=$machine_arch" 1>&6 274dnl 275dnl Allow folk to control _PATH_DEFSYSPATH 276dnl 277default_sys_path=\${prefix}/share/mk 278AC_ARG_WITH(default-sys-path, 279[ --with-default-sys-path=PATH:DIR:LIST use an explicit _PATH_DEFSYSPATH 280 MAKESYSPATH is a ':' separated list of directories 281 that bmake will search for system .mk files. 282 _PATH_DEFSYSPATH is its default value.], 283[case "${withval}" in 284yes) AC_MSG_ERROR(bad value ${withval} given for bmake _PATH_DEFSYSPATH) ;; 285no) ;; 286*) default_sys_path="$with_default_sys_path" 287 ;; 288esac]) 289dnl 290dnl Some folk don't like this one 291dnl 292AC_ARG_WITH(path-objdirprefix, 293[ --with-path-objdirprefix=PATH override _PATH_OBJDIRPREFIX], 294[case "${withval}" in 295yes) AC_MSG_ERROR(bad value ${withval} given for bmake _PATH_OBJDIRPREFIX) ;; 296no) CPPFLAGS="$CPPFLAGS -DNO_PATH_OBJDIRPREFIX" ;; 297*) CPPFLAGS="$CPPFLAGS \"-D_PATH_OBJDIRPREFIX=\\\"$with_path-objdir\\\"\"" ;; 298esac]) 299dnl 300dnl And this can be handy to do with out. 301dnl 302AC_ARG_ENABLE(pwd-override, 303[ --disable-pwd-override disable \$PWD overriding getcwd()], 304[case "${enableval}" in 305yes) ;; 306no) CPPFLAGS="$CPPFLAGS -DNO_PWD_OVERRIDE" ;; 307*) AC_MSG_ERROR(bad value ${enableval} given for pwd-override option) ;; 308esac]) 309dnl 310dnl Just for grins 311dnl 312AC_ARG_ENABLE(check-make-chdir, 313[ --disable-check-make-chdir disable make trying to guess 314 when it should automatically cd \${.CURDIR}], 315[case "${enableval}" in 316yes) ;; 317no) CPPFLAGS="$CPPFLAGS -DNO_CHECK_MAKE_CHDIR" ;; 318*) AC_MSG_ERROR(bad value ${enableval} given for check-make-chdir option) ;; 319esac]) 320dnl 321dnl On non-BSD systems, bootstrap won't work without mk 322dnl 323AC_ARG_WITH(mksrc, 324[ --with-mksrc=PATH tell makefile.boot where to find mk src], 325[case "${withval}" in 326""|yes|no) ;; 327*) test -s $withval/install-mk && mksrc=$withval || 328AC_MSG_ERROR(bad value ${withval} given for mksrc cannot find install-mk) 329;; 330esac 331]) 332dnl 333dnl Now make sure we have a value 334dnl 335srcdir=`cd $srcdir && pwd` 336for mksrc in $mksrc $srcdir/mk $srcdir/../mk mk 337do 338 test -s $mksrc/install-mk || continue 339 mksrc=`cd $mksrc && pwd` 340 break 341done 342mksrc=`echo $mksrc | sed "s,$srcdir,\\\${srcdir},"` 343echo "Using: MKSRC=$mksrc" 1>&6 344dnl On some systems we want a different default shell by default 345if test -x /usr/xpg4/bin/sh; then 346 defshell_path=${defshell_path:-/usr/xpg4/bin/sh} 347fi 348if test -n "$defshell_path"; then 349 echo "Using: SHELL=$defshell_path" >&6 350 AC_DEFINE_UNQUOTED(DEFSHELL_CUSTOM, "$defshell_path", Path of default shell) 351fi 352if test -n "$DEFSHELL_INDEX"; then 353 AC_DEFINE_UNQUOTED(DEFSHELL_INDEX, $DEFSHELL_INDEX, Shell spec to use by default) 354fi 355dnl 356AC_SUBST(machine) 357AC_SUBST(force_machine) 358AC_SUBST(machine_arch) 359AC_SUBST(mksrc) 360AC_SUBST(default_sys_path) 361AC_SUBST(INSTALL) 362AC_SUBST(GCC) 363AC_SUBST(diff_u) 364AC_SUBST(use_meta) 365AC_SUBST(filemon_h) 366AC_OUTPUT(makefile Makefile.config make-bootstrap.sh unit-tests/Makefile) 367 368cat <<EOF 369 370You can now run 371 372 sh ./make-bootstrap.sh 373 374to produce a fully functional bmake. 375 376EOF 377