diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/configure.in b/configure.in new file mode 100644 index 0000000..ba82a75 --- /dev/null +++ b/configure.in @@ -0,0 +1,376 @@ +dnl +dnl RCSid: +dnl $Id: configure.in,v 1.48 2013/03/04 21:25:57 sjg Exp $ +dnl +dnl Process this file with autoconf to produce a configure script +dnl +AC_INIT([bmake], [20130303], [sjg@NetBSD.org]) +AC_CONFIG_HEADER(config.h) + +dnl make srcdir absolute +case "$srcdir" in +/*) ;; +*) srcdir=`cd $srcdir && pwd`;; +esac + +dnl +AC_ARG_WITH(defshell, +[ --with-defshell=SHELL use SHELL by default - must be sh compatible, use sh or ksh to pick the internal definitions], +[case "${withval}" in +yes) AC_MSG_ERROR(bad value ${withval} given for bmake DEFSHELL) ;; +no) ;; +*) case "$with_defshell" in + sh) DEFSHELL_INDEX=DEFSHELL_INDEX_SH;; # it's the default anyway + ksh) DEFSHELL_INDEX=DEFSHELL_INDEX_KSH;; + csh) DEFSHELL_INDEX=DEFSHELL_INDEX_CSH;; # kidding right? + *) defshell_path=$with_defshell;; # better be sh compatible! + esac + ;; + esac]) +dnl +use_meta=yes +AC_ARG_WITH(meta, +[ --without-meta dissable use of meta-mode], +[case "${withval}" in +yes|no) use_meta=${withval};; +*) AC_MSG_ERROR(bad value ${withval} given for meta) ;; +esac]) +dnl +AC_ARG_WITH(filemon, +[ --with-filemon=path/filemon.h indicate path to filemon.h for meta-mode], +[ case "/${withval}" in +/no|*/filemon.h) filemon_h="${withval}";; +*/filemon*) filemon_h="${withval}/filemon.h";; +*) AC_MSG_ERROR(bad value ${withval} given for filemon) ;; +esac], +[ +OS=`uname -s` +for d in "/usr/include/dev/filemon" "$prefix/include/dev/filemon" "$srcdir/filemon" "$srcdir/../filemon" "$srcdir/../../sys/dev/filemon" +do + for x in "/$OS" "" + do + filemon_h="$d$x/filemon.h" + test -s "$filemon_h" && break + done + test -s "$filemon_h" && break +done +test -s "${filemon_h:-/dev/null}" || filemon_h=no +]) +dnl echo "Note: use_meta=$use_meta filemon_h=$filemon_h" >&6 +case "$use_meta" in +yes) + case "$filemon_h" in + *.h) echo "Using: filemon=$filemon_h" >&6;; + esac + ;; +esac +dnl +dnl Check for OS problems +dnl Solaris's signal.h only privides sigset_t etc if one of +dnl _EXTENSIONS_ _POSIX_C_SOURCE or _XOPEN_SOURCE are defined. +dnl The later two seem to cause more problems than they solve so if we +dnl see _EXTENSIONS_ we use it. +AC_USE_SYSTEM_EXTENSIONS +dnl Checks for programs. +AC_PROG_CC +AC_PROG_GCC_TRADITIONAL +AC_PROG_INSTALL +dnl Executable suffix - normally empty; .exe on os2. +AC_SUBST(ac_exe_suffix)dnl + +dnl +dnl Check if /bin/sh will pass .MAKE.LEVEL +echo $ECHO_N "checking if sh will pass .MAKE. variables... $ECHO_C" >&6 +ok=`env .MAKE.LEVEL=1 /bin/sh -c env | grep LEVEL=` +case "$ok" in +"") echo no >&6; CPPFLAGS="${CPPFLAGS} -DNEED_MAKE_LEVEL_SAFE";; +*) echo yes >&6;; +esac + +dnl +dnl AC_C_CROSS +dnl + +dnl Checks for header files. +AC_HEADER_STDC +AC_HEADER_SYS_WAIT +AC_HEADER_DIRENT +dnl Keep this list sorted +AC_CHECK_HEADERS( \ + ar.h \ + err.h \ + fcntl.h \ + paths.h \ + poll.h \ + ranlib.h \ + string.h \ + sys/mman.h \ + sys/select.h \ + sys/socket.h \ + sys/time.h \ + sys/uio.h \ + unistd.h \ + utime.h \ + ) + +dnl Both *BSD and Linux have sys/cdefs.h, most do not. +dnl If it is missing, we add -I${srcdir}/missing to CFLAGS +dnl also if sys/cdefs.h does not have __RCSID we need to use ours +dnl but we need to include the host's one too *sigh* +AC_CHECK_HEADER(sys/cdefs.h, +echo $ECHO_N "checking whether sys/cdefs.h is compatible... $ECHO_C" >&6 +AC_EGREP_CPP(yes, +[#include <sys/cdefs.h> +#ifdef __RCSID +yes +#endif +], +echo yes >&6, +echo no >&6; CPPFLAGS="${CPPFLAGS} -I`cd ${srcdir}/missing && pwd` -DNEED_HOST_CDEFS_H"), +CPPFLAGS="${CPPFLAGS} -I`cd ${srcdir}/missing && pwd`") + +dnl Checks for typedefs, structures, and compiler characteristics. +AC_C___ATTRIBUTE__ +AC_C_BIGENDIAN +AC_C_CONST +AC_TYPE_OFF_T +AC_TYPE_PID_T +AC_TYPE_SIZE_T +AC_DECL_SYS_SIGLIST +AC_HEADER_TIME +AC_STRUCT_TM + +dnl Checks for library functions. +AC_TYPE_SIGNAL +AC_FUNC_VFORK +AC_FUNC_VPRINTF +AC_FUNC_WAIT3 +dnl Keep this list sorted +AC_CHECK_FUNCS( \ + err \ + errx \ + getcwd \ + getenv \ + getopt \ + getwd \ + killpg \ + mmap \ + putenv \ + select \ + setenv \ + setpgid \ + setsid \ + sigaction \ + sigvec \ + snprintf \ + strerror \ + strftime \ + strsep \ + strtod \ + strtol \ + unsetenv \ + vsnprintf \ + wait3 \ + wait4 \ + waitpid \ + warn \ + warnx \ + ) + +dnl functions which we may need to provide +AC_REPLACE_FUNCS( \ + realpath \ + dirname \ + stresep \ + strlcpy \ + ) + +AC_CHECK_LIB([util], [emalloc], + [ AC_CHECK_LIB([util], [erealloc], + [ AC_CHECK_LIB([util], [estrdup], + [ AC_CHECK_LIB([util], [estrndup], + [ LIBS="$LIBS -lutil" + CPPFLAGS="$CPPFLAGS -DUSE_EMALLOC" ])])])]) + +dnl +dnl Structures +dnl +AC_HEADER_STAT +AC_STRUCT_ST_RDEV +dnl +dnl we want this for unit-tests/Makefile +echo $ECHO_N "checking if diff -u works... $ECHO_C" >&6 +if diff -u /dev/null /dev/null > /dev/null 2>&1; then + diff_u=-u + echo yes >&6 +else + diff_u= + echo no >&6 +fi +dnl +dnl AC_* don't quite cut it. +dnl +echo "checking for MACHINE & MACHINE_ARCH..." >&6 +cat > conftest.$ac_ext <<EOF +#include "confdefs.h" +#include <sys/param.h> +#ifdef MACHINE +machine=MACHINE +#endif +#ifdef MACHINE_ARCH +machine_arch=MACHINE_ARCH +#endif +EOF + +default_machine=`(eval "$ac_cpp conftest.$ac_ext") 2>&5 | + egrep machine= | tr -d ' "'` +rm -rf conftest* +if test "$default_machine"; then + eval "$default_machine" +fi +machine=${machine:-`$srcdir/machine.sh`} +machine_arch=${machine_arch:-`$srcdir/machine.sh arch`} +echo "defaults: MACHINE=$machine, MACHINE_ARCH=$machine_arch" 1>&6 +dnl +dnl now allow overrides +dnl +AC_ARG_WITH(machine, +[ --with-machine=MACHINE explicitly set MACHINE], +[case "${withval}" in +yes) AC_MSG_ERROR(bad value ${withval} given for bmake MACHINE) ;; +no) ;; +generic) machine=`$srcdir/machine.sh`;; +*) machine=$with_machine;; +esac]) +force_machine= +AC_ARG_WITH(force_machine, +[ --with-force-machine=MACHINE set FORCE_MACHINE], +[case "${withval}" in +yes) force_machine=FORCE_;; +no) ;; +*) force_machine=FORCE_; machine=$with_force_machine;; +esac]) +dnl +force_machine_arch= +AC_ARG_WITH(force_machine_arch, +[ --with-force-machine-arch=MACHINE set FORCE_MACHINE_ARCH], +[case "${withval}" in +yes) force_machine_arch=FORCE_;; +no) ;; +*) force_machine_arch=FORCE_; machine_arch=$with_force_machine;; +esac]) +dnl +AC_ARG_WITH(machine_arch, +[ --with-machine_arch=MACHINE_ARCH explicitly set MACHINE_ARCH], +[case "${withval}" in +yes) AC_MSG_ERROR(bad value ${withval} given for bmake MACHINE_ARCH) ;; +no) ;; +*) machine_arch=$with_machine_arch;; +esac]) +dnl +dnl Tell them what we ended up with +dnl +echo "Using: ${force_machine}MACHINE=$machine, MACHINE_ARCH=$machine_arch" 1>&6 +dnl +dnl Allow folk to control _PATH_DEFSYSPATH +dnl +default_sys_path=\${prefix}/share/mk +AC_ARG_WITH(default-sys-path, +[ --with-default-sys-path=PATH:DIR:LIST use an explicit _PATH_DEFSYSPATH + MAKESYSPATH is a ':' separated list of directories + that bmake will search for system .mk files. + _PATH_DEFSYSPATH is its default value.], +[case "${withval}" in +yes) AC_MSG_ERROR(bad value ${withval} given for bmake _PATH_DEFSYSPATH) ;; +no) ;; +*) default_sys_path="$with_default_sys_path" + ;; +esac]) +dnl +dnl Some folk don't like this one +dnl +AC_ARG_WITH(path-objdirprefix, +[ --with-path-objdirprefix=PATH override _PATH_OBJDIRPREFIX], +[case "${withval}" in +yes) AC_MSG_ERROR(bad value ${withval} given for bmake _PATH_OBJDIRPREFIX) ;; +no) CPPFLAGS="$CPPFLAGS -DNO_PATH_OBJDIRPREFIX" ;; +*) CPPFLAGS="$CPPFLAGS \"-D_PATH_OBJDIRPREFIX=\\\"$with_path-objdir\\\"\"" ;; +esac]) +dnl +dnl And this can be handy to do with out. +dnl +AC_ARG_ENABLE(pwd-override, +[ --disable-pwd-override disable \$PWD overriding getcwd()], +[case "${enableval}" in +yes) ;; +no) CPPFLAGS="$CPPFLAGS -DNO_PWD_OVERRIDE" ;; +*) AC_MSG_ERROR(bad value ${enableval} given for pwd-override option) ;; +esac]) +dnl +dnl Just for grins +dnl +AC_ARG_ENABLE(check-make-chdir, +[ --disable-check-make-chdir disable make trying to guess + when it should automatically cd \${.CURDIR}], +[case "${enableval}" in +yes) ;; +no) CPPFLAGS="$CPPFLAGS -DNO_CHECK_MAKE_CHDIR" ;; +*) AC_MSG_ERROR(bad value ${enableval} given for check-make-chdir option) ;; +esac]) +dnl +dnl On non-BSD systems, bootstrap won't work without mk +dnl +AC_ARG_WITH(mksrc, +[ --with-mksrc=PATH tell makefile.boot where to find mk src], +[case "${withval}" in +""|yes|no) ;; +*) test -s $withval/install-mk && mksrc=$withval || +AC_MSG_ERROR(bad value ${withval} given for mksrc cannot find install-mk) +;; +esac +]) +dnl +dnl Now make sure we have a value +dnl +srcdir=`cd $srcdir && pwd` +for mksrc in $mksrc $srcdir/mk $srcdir/../mk mk +do + test -s $mksrc/install-mk || continue + mksrc=`cd $mksrc && pwd` + break +done +mksrc=`echo $mksrc | sed "s,$srcdir,\\\${srcdir},"` +echo "Using: MKSRC=$mksrc" 1>&6 +dnl On some systems we want a different default shell by default +if test -x /usr/xpg4/bin/sh; then + defshell_path=${defshell_path:-/usr/xpg4/bin/sh} +fi +if test -n "$defshell_path"; then + echo "Using: SHELL=$defshell_path" >&6 + AC_DEFINE_UNQUOTED(DEFSHELL_CUSTOM, "$defshell_path", Path of default shell) +fi +if test -n "$DEFSHELL_INDEX"; then + AC_DEFINE_UNQUOTED(DEFSHELL_INDEX, $DEFSHELL_INDEX, Shell spec to use by default) +fi +dnl +AC_SUBST(machine) +AC_SUBST(force_machine) +AC_SUBST(machine_arch) +AC_SUBST(mksrc) +AC_SUBST(default_sys_path) +AC_SUBST(INSTALL) +AC_SUBST(GCC) +AC_SUBST(diff_u) +AC_SUBST(use_meta) +AC_SUBST(filemon_h) +AC_OUTPUT(makefile Makefile.config make-bootstrap.sh unit-tests/Makefile) + +cat <<EOF + +You can now run + + sh ./make-bootstrap.sh + +to produce a fully functional bmake. + +EOF |