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Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 1113 |
1 files changed, 1113 insertions, 0 deletions
diff --git a/configure.in b/configure.in new file mode 100644 index 000000000..aa3170732 --- /dev/null +++ b/configure.in @@ -0,0 +1,1113 @@ +dnl +dnl configure.in: Configure template for zsh. +dnl Process this file with autoconf to produce a configure script. +dnl +dnl Copyright (c) 1995-1997 Richard Coleman +dnl All rights reserved. +dnl +dnl Permission is hereby granted, without written agreement and without +dnl license or royalty fees, to use, copy, modify, and distribute this +dnl software and to distribute modified versions of this software for any +dnl purpose, provided that the above copyright notice and the following +dnl two paragraphs appear in all copies of this software. +dnl +dnl In no event shall Richard Coleman or the Zsh Development Group be liable +dnl to any party for direct, indirect, special, incidental, or consequential +dnl damages arising out of the use of this software and its documentation, +dnl even if Richard Coleman and the Zsh Development Group have been advised of +dnl the possibility of such damage. +dnl +dnl Richard Coleman and the Zsh Development Group specifically disclaim any +dnl warranties, including, but not limited to, the implied warranties of +dnl merchantability and fitness for a particular purpose. The software +dnl provided hereunder is on an "as is" basis, and Richard Coleman and the +dnl Zsh Development Group have no obligation to provide maintenance, +dnl support, updates, enhancements, or modifications. +dnl + +AC_INIT(Src/zsh.h) +AC_CONFIG_HEADER(config.h) + +dnl What version of zsh are we building ? +. ${srcdir}/Config/version.mk +echo "configuring for zsh $VERSION" + +dnl ---------------------------------------------- +dnl CHECK FOR MACHINE/VENDOR/OPERATING SYSTEM TYPE +dnl ---------------------------------------------- +dnl Find out machine type, vendor, and operating system +dnl What type of host is this? +AC_CANONICAL_HOST +AC_DEFINE_UNQUOTED(MACHTYPE, "$host_cpu") +AC_DEFINE_UNQUOTED(VENDOR, "$host_vendor") +AC_DEFINE_UNQUOTED(OSTYPE, "$host_os") + +dnl ----------------------------- +dnl CHECKING COMMAND LINE OPTIONS +dnl ----------------------------- +dnl Do you want to debug zsh? +undefine([zsh-debug])dnl +AC_ARG_ENABLE(zsh-debug, +[ --enable-zsh-debug use it if you want to debug zsh], +[if test x$enableval = xyes; then + AC_DEFINE(DEBUG) +fi]) + +dnl Do you want zsh memory allocation routines. +undefine([zsh-mem])dnl +AC_ARG_ENABLE(zsh-mem, +[ --enable-zsh-mem use zsh memory allocation routines], +[if test x$enableval = xyes; then + AC_DEFINE(ZSH_MEM) +fi]) + +dnl Do you want to debug zsh memory allocation routines. +undefine([zsh-mem-debug])dnl +AC_ARG_ENABLE(zsh-mem-debug, +[ --enable-zsh-mem-debug debug zsh memory allocation routines], +[if test x$enableval = xyes; then + AC_DEFINE(ZSH_MEM_DEBUG) +fi]) + +dnl Do you want to print warnings when errors in memory allocation. +undefine([zsh-mem-warning])dnl +AC_ARG_ENABLE(zsh-mem-warning, +[ --enable-zsh-mem-warning print warnings when error in memory allocation], +[if test x$enableval = xyes; then + AC_DEFINE(ZSH_MEM_WARNING) +fi]) + +dnl Do you want to turn on error checking for free(). +undefine([zsh-secure-free])dnl +AC_ARG_ENABLE(zsh-secure-free, +[ --enable-zsh-secure-free turn on error checking for free()], +[if test x$enableval = xyes; then + AC_DEFINE(ZSH_SECURE_FREE) +fi]) + +dnl Do you want debugging information on internal hash tables. +dnl This turns on the `hashinfo' builtin command. +undefine([zsh-hash-debug])dnl +AC_ARG_ENABLE(zsh-hash-debug, +[ --enable-zsh-hash-debug turn on debugging of internal hash tables], +[if test x$enableval = xyes; then + AC_DEFINE(ZSH_HASH_DEBUG) +fi]) + +dnl Pathnames for global zsh scripts +undefine([zshenv])dnl +AC_ARG_ENABLE(etcdir, +[ --enable-etcdir=directory default directory for global zsh scripts], +[etcdir="$enableval"], [etcdir=/etc]) + +undefine([zshenv])dnl +AC_ARG_ENABLE(zshenv, +[ --enable-zshenv=pathname the full pathname of the global zshenv script], +[zshenv="$enableval"], +[if test "x$etcdir" = xno; then + zshenv=no +else + zshenv="$etcdir/zshenv" +fi]) +if test "x$zshenv" != xno; then + AC_DEFINE_UNQUOTED(GLOBAL_ZSHENV, "$zshenv") +fi + +undefine([zshrc])dnl +AC_ARG_ENABLE(zshrc, +[ --enable-zshrc=pathname the full pathname of the global zshrc script], +[zshrc="$enableval"], +[if test "x$etcdir" = xno; then + zshrc=no +else + zshrc="$etcdir/zshrc" +fi]) +if test "x$zshrc" != xno; then + AC_DEFINE_UNQUOTED(GLOBAL_ZSHRC, "$zshrc") +fi + +undefine([zprofile])dnl +AC_ARG_ENABLE(zprofile, +[ --enable-zprofile=pathname the full pathname of the global zprofile script], +[zprofile="$enableval"], +[if test "x$etcdir" = xno; then + zprofile=no +else + zprofile="$etcdir/zprofile" +fi]) +if test "x$zprofile" != xno; then + AC_DEFINE_UNQUOTED(GLOBAL_ZPROFILE, "$zprofile") +fi + +undefine([zlogin])dnl +AC_ARG_ENABLE(zlogin, +[ --enable-zlogin=pathname the full pathname of the global zlogin script], +[zlogin="$enableval"], +[if test "x$etcdir" = xno; then + zlogin=no +else + zlogin="$etcdir/zlogin" +fi]) +if test "x$zlogin" != xno; then + AC_DEFINE_UNQUOTED(GLOBAL_ZLOGIN, "$zlogin") +fi + +undefine([zlogout])dnl +AC_ARG_ENABLE(zlogout, +[ --enable-zlogout=pathname the full pathname of the global zlogout script], +[zlogout="$enableval"], +[if test "x$etcdir" = xno; then + zlogout=no +else + zlogout="$etcdir/zlogout" +fi]) +if test "x$zlogout" != xno; then + AC_DEFINE_UNQUOTED(GLOBAL_ZLOGOUT, "$zlogout") +fi + +AC_SUBST(zshenv)dnl +AC_SUBST(zshrc)dnl +AC_SUBST(zprofile)dnl +AC_SUBST(zlogin)dnl +AC_SUBST(zlogout)dnl + +dnl Do you want dynamically loaded binary modules. +undefine([dynamic])dnl +AC_ARG_ENABLE(dynamic, +[ --enable-dynamic allow dynamically loaded binary modules], +[dynamic="$enableval"], [dynamic=no]) + +dnl Do you want to compile as K&R C. +AC_ARG_ENABLE(ansi2knr, +[ --enable-ansi2knr translate source to K&R C before compiling], +[ansi2knr="$enableval"], [ansi2knr=default]) + +dnl ------------------ +dnl CHECK THE COMPILER +dnl ------------------ +dnl We want these before the checks, so the checks can modify their values. +test -z "${CFLAGS+set}" && CFLAGS= auto_cflags=1 +test -z "${LDFLAGS+set}" && LDFLAGS= auto_ldflags=1 + +AC_PROG_CC + +dnl if the user hasn't specified CFLAGS, then +dnl if compiler is gcc, then use -O2 and some warning flags +dnl else use -O +if test -n "$auto_cflags"; then + if test "${enable_zsh_debug}" = yes; then + if test -n "$GCC"; then + CFLAGS="$CFLAGS -Wall -Wno-implicit -Wmissing-prototypes -pedantic -ggdb" + else + CFLAGS="$CFLAGS -g" + fi + else + if test -n "$GCC"; then + CFLAGS="$CFLAGS -Wall -Wno-implicit -Wmissing-prototypes -O2" + else + CFLAGS="$CFLAGS -O" + fi + fi +fi +if test -n "$auto_ldflags"; then + if test "${enable_zsh_debug}" = yes; then + LDFLAGS=-g + else + LDFLAGS=-s + fi +fi + +dnl ---------- +dnl SCO KLUDGE +dnl ---------- +dnl Sco doesn't define any useful compiler symbol, +dnl so we will check for sco and define __sco if +dnl found. +case "$host_os" in + sco*) CFLAGS="-D__sco $CFLAGS" ;; +esac + +sed=':1 + s/ -s / /g + t1 + s/^ *// + s/ *$//' + +case " $LDFLAGS " in + *" -s "*) strip_exeldflags=true strip_libldflags=true + LDFLAGS=`echo " $LDFLAGS " | sed "$sed"` ;; + *) strip_exeldflags=false strip_libldflags=false ;; +esac + +case " ${EXELDFLAGS+$EXELDFLAGS }" in + " ") ;; + *" -s "*) strip_exeldflags=true + EXELDFLAGS=`echo " $EXELDFLAGS " | sed "$sed"` ;; + *) strip_exeldflags=false ;; +esac + +case " ${LIBLDFLAGS+$LIBLDFLAGS }" in + " ") ;; + *" -s "*) strip_libldflags=true + LIBLDFLAGS=`echo " $LIBLDFLAGS " | sed "$sed"` ;; + *) strip_libldflags=false ;; +esac + +AC_SUBST(CFLAGS)dnl +AC_SUBST(LDFLAGS)dnl +AC_SUBST(EXELDFLAGS)dnl +AC_SUBST(LIBLDFLAGS)dnl + +AC_PROG_CPP dnl Figure out how to run C preprocessor. +AC_PROG_GCC_TRADITIONAL dnl Do we need -traditional flag for gcc. +AC_C_CONST dnl Does compiler support `const'. + +fp_PROG_CC_STDC +AC_MSG_CHECKING([whether to use prototypes]) +if test ."$ansi2knr" = .yes || test ."$ansi2knr" = .no; then + msg="(overridden) " +else + msg= + if test ."$fp_cv_prog_cc_stdc" = .no; then + ansi2knr=yes + else + ansi2knr=no + fi +fi +if test "$ansi2knr" = yes; then + AC_MSG_RESULT(${msg}no) + U=_ +else + AC_MSG_RESULT(${msg}yes) + AC_DEFINE(PROTOTYPES) + U= +fi +AC_SUBST(U) + +AC_FUNC_ALLOCA dnl Check how to get `alloca'. + +dnl If the compiler supports union initialisation +AC_CACHE_CHECK(if the compiler supports union initialisation, +zsh_cv_c_have_union_init, +[AC_TRY_COMPILE([union{void *p;long l;}u={0};], [u.l=1;], + zsh_cv_c_have_union_init=yes, + zsh_cv_c_have_union_init=no)]) +if test $zsh_cv_c_have_union_init = yes; then + AC_DEFINE(HAVE_UNION_INIT) +fi + +dnl Checking if compiler correctly cast signed to unsigned. +AC_CACHE_CHECK(if signed to unsigned casting is broken, +zsh_cv_c_broken_signed_to_unsigned_casting, +[AC_TRY_RUN([main(){return((int)(unsigned char)((char) -1) == 255);}], + zsh_cv_c_broken_signed_to_unsigned_casting=yes, + zsh_cv_c_broken_signed_to_unsigned_casting=no, + zsh_cv_c_broken_signed_to_unsigned_casting=no)]) +if test $zsh_cv_c_broken_signed_to_unsigned_casting = yes; then + AC_DEFINE(BROKEN_SIGNED_TO_UNSIGNED_CASTING) +fi + +dnl Checking if the compiler supports variable-length arrays +AC_CACHE_CHECK(if the compiler supports variable-lenth arrays, +zsh_cv_c_variable_length_arrays, +[AC_TRY_COMPILE([int foo();], [int i[foo()];], + zsh_cv_c_variable_length_arrays=yes, + zsh_cv_c_variable_length_arrays=no)]) +if test $zsh_cv_c_variable_length_arrays = yes; then + AC_DEFINE(HAVE_VARIABLE_LENGTH_ARRAYS) +fi + +dnl ------------------ +dnl CHECK FOR PROGRAMS +dnl ------------------ +AC_PROG_MAKE_SET dnl Does make define $MAKE +AC_PROG_INSTALL dnl Check for BSD compatible `install' +AC_PROG_AWK dnl Check for mawk,gawk,nawk, then awk. +AC_CHECK_PROGS([YODL], [yodl], [:]) + +dnl ------------------ +dnl CHECK HEADER FILES +dnl ------------------ +AC_HEADER_DIRENT +AC_HEADER_STDC +AC_HEADER_TIME +AC_HEADER_STAT +AC_HEADER_SYS_WAIT +AC_CHECK_HEADERS(sys/time.h sys/times.h sys/select.h termcap.h termio.h \ + termios.h sys/param.h sys/filio.h string.h memory.h \ + limits.h fcntl.h libc.h sys/utsname.h sys/resource.h \ + locale.h errno.h stdlib.h unistd.h sys/capability.h \ + utmp.h utmpx.h sys/types.h pwd.h grp.h) +if test $dynamic = yes; then + AC_CHECK_HEADERS(dlfcn.h) +fi + +dnl Some SCO systems cannot include both sys/time.h and sys/select.h +if test $ac_cv_header_sys_time_h = yes -a $ac_cv_header_sys_select_h = yes; then + AC_CACHE_CHECK(for conflicts in sys/time.h and sys/select.h, + zsh_cv_header_time_h_select_h_conflicts, + [AC_TRY_COMPILE([#include <sys/time.h> +#include <sys/select.h>], [int i;], + zsh_cv_header_time_h_select_h_conflicts=no, + zsh_cv_header_time_h_select_h_conflicts=yes)]) + if test $zsh_cv_header_time_h_select_h_conflicts = yes; then + AC_DEFINE(TIME_H_SELECT_H_CONFLICTS) + fi +fi + +AC_CACHE_CHECK(POSIX termios, zsh_cv_sys_posix_termios, +[AC_TRY_LINK([#include <sys/types.h> +#include <unistd.h> +#include <termios.h>], +[/* SunOS 4.0.3 has termios.h but not the library calls. */ +tcgetattr(0, 0);], + zsh_cv_sys_posix_termios=yes, zsh_cv_sys_posix_termios=no)]) + +if test $zsh_cv_sys_posix_termios = yes; then + AC_CACHE_CHECK(TIOCGWINSZ in termios.h, + zsh_cv_header_termios_h_tiocgwinsz, + [AC_TRY_LINK([#include <sys/types.h> +#include <termios.h>], + [int x = TIOCGWINSZ;], + zsh_cv_header_termios_h_tiocgwinsz=yes, + zsh_cv_header_termios_h_tiocgwinsz=no)]) +else + zsh_cv_header_termios_h_tiocgwinsz=no +fi + +if test $zsh_cv_header_termios_h_tiocgwinsz = no; then + AC_CACHE_CHECK(TIOCGWINSZ in sys/ioctl.h, + zsh_cv_header_sys_ioctl_h_tiocgwinsz, + [AC_TRY_LINK([#include <sys/types.h> +#include <sys/ioctl.h>], + [int x = TIOCGWINSZ;], + zsh_cv_header_sys_ioctl_h_tiocgwinsz=yes, + zsh_cv_header_sys_ioctl_h_tiocgwinsz=no)]) + if test $zsh_cv_header_sys_ioctl_h_tiocgwinsz = yes; then + AC_DEFINE(GWINSZ_IN_SYS_IOCTL) + fi +fi + +AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM)) + +dnl ------------------- +dnl CHECK FOR LIBRARIES +dnl ------------------- + +dnl On some systems, modules need to be linked against libc explicitly, +dnl in case they require objects that exist only in the static version +dnl and might not be compiled into the zsh executable. +AC_CHECK_LIB(c, printf) + +dnl Prefer BSD termcap library to SysV curses library, except on certain +dnl versions of AIX and HP-UX. +if test `echo $host_os | sed 's/^.*\(aix\)[[1-9]]\.[[0-9]].*$/\1/'` = aix || + test `echo $host_os | sed 's/^.*\(hpux\)10\..*$/\1/'` = hpux; then + termcap_curses_order="curses ncurses termcap" +else + termcap_curses_order="termcap curses ncurses" +fi + +for lib in $termcap_curses_order; do + AC_CHECK_LIB(${lib}, tgetent, [LIBS="-l$lib $LIBS"; break]) +done + +dnl Some systems (Solaris 2.x, Linux Redhat 5.x) require +dnl libnsl (Network Services Library) to find yp_all +AC_CHECK_FUNCS(yp_all) +if test $ac_cv_func_yp_all = no; then + AC_CHECK_LIB(nsl, yp_all) +fi + +dnl I am told that told that unicos reqire these for nis_list +if test `echo $host_os | sed 's/^\(unicos\).*/\1/'` = unicos; then + LIBS="-lcraylm -lkrb -lnisdb -lnsl -lrpcsvc $LIBS" +fi + +if test "x$dynamic" = xyes; then + AC_CHECK_LIB(dl, dlopen) +fi + +AC_CHECK_LIB(cap, cap_get_proc) + +dnl --------------------- +dnl CHECK TERMCAP LIBRARY +dnl --------------------- +dnl Checks for external variable ospeed in the termcap library. +AC_CACHE_CHECK(if an include file defines ospeed, +zsh_cv_decl_ospeed_include_defines, +[AC_TRY_LINK( +[#include <sys/types.h> +#if HAVE_TERMIOS_H +#include <termios.h> +#endif +#if HAVE_TERMCAP_H +#include <termcap.h> +#endif], [ospeed = 0;], +zsh_cv_decl_ospeed_include_defines=yes, +zsh_cv_decl_ospeed_include_defines=no)]) + +if test $zsh_cv_decl_ospeed_include_defines = no; then + AC_CACHE_CHECK(if you must define ospeed, + zsh_cv_decl_ospeed_must_define, + [AC_TRY_LINK( ,[extern short ospeed; ospeed = 0;], + zsh_cv_decl_ospeed_must_define=yes, + zsh_cv_decl_ospeed_must_define=no)]) +fi + +if test $zsh_cv_decl_ospeed_include_defines = yes; then + AC_DEFINE(HAVE_OSPEED) +elif test $zsh_cv_decl_ospeed_must_define = yes; then + AC_DEFINE(HAVE_OSPEED) + AC_DEFINE(MUST_DEFINE_OSPEED) +fi + +dnl Check if tgetent accepts NULL (and will allocate its own termcap buffer) +AC_CACHE_CHECK(if tgetent accepts NULL, +zsh_cv_func_tgetent_accepts_null, +[AC_TRY_RUN([main(){int i = tgetent((char*)0,"vt100");exit(!i || i == -1);}], + zsh_cv_func_tgetent_accepts_null=yes, + zsh_cv_func_tgetent_accepts_null=no, + zsh_cv_func_tgetent_accepts_null=no)]) +if test $zsh_cv_func_tgetent_accepts_null = yes; then + AC_DEFINE(TGETENT_ACCEPTS_NULL) +fi + +dnl -------------- +dnl CHECK TYPEDEFS +dnl -------------- + +AC_TYPE_SIGNAL +AC_TYPE_PID_T +AC_TYPE_OFF_T +AC_TYPE_MODE_T +AC_TYPE_UID_T +AC_TYPE_SIZE_T + +dnl Check for sigset_t. Currently I'm looking in +dnl <sys/types.h> and <signal.h>. Others might need +dnl to be added. +AC_CACHE_CHECK(for sigset_t, zsh_cv_type_sigset_t, +[AC_TRY_COMPILE( +[#include <sys/types.h> +#include <signal.h>], [sigset_t tempsigset;], + zsh_cv_type_sigset_t=yes, zsh_cv_type_sigset_t=no)]) +if test $zsh_cv_type_sigset_t = no; then + AC_DEFINE(sigset_t, unsigned int) +fi + +dnl Check for struct timezone since some old SCO versions do not define it +zsh_TYPE_EXISTS([ +#ifdef HAVE_SYS_TIME_H +# include <sys/time.h> +#endif +], struct timezone) + +dnl Check for utmp structures, for watch +zsh_TYPE_EXISTS([ +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_UTMP_H +# include <utmp.h> +#endif +], struct utmp) +zsh_TYPE_EXISTS([ +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_UTMPX_H +# include <utmpx.h> +#endif +], struct utmpx) + +dnl Check contents of utmp structures +zsh_STRUCT_MEMBER([ +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_UTMP_H +# include <utmp.h> +#endif +], struct utmp, ut_host) +zsh_STRUCT_MEMBER([ +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_UTMPX_H +# include <utmpx.h> +#endif +], struct utmpx, ut_host) +zsh_STRUCT_MEMBER([ +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_UTMPX_H +# include <utmpx.h> +#endif +], struct utmpx, ut_xtime) +zsh_STRUCT_MEMBER([ +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_UTMPX_H +# include <utmpx.h> +#endif +], struct utmpx, ut_tv) + +dnl Check for inode numbers in directory entry structures +zsh_STRUCT_MEMBER([ +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_DIRENT_H +# include <dirent.h> +#endif +], struct dirent, d_ino) +zsh_STRUCT_MEMBER([ +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_DIRENT_H +# include <dirent.h> +#endif +], struct dirent, d_stat) +zsh_STRUCT_MEMBER([ +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_SYS_NDIR_H +# include <sys/ndir.h> +#endif +#ifdef HAVE_SYS_DIR_H +# include <sys/dir.h> +#endif +#ifdef HAVE_NDIR_H +# include <ndir.h> +#endif +], struct direct, d_ino) +zsh_STRUCT_MEMBER([ +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_SYS_NDIR_H +# include <sys/ndir.h> +#endif +#ifdef HAVE_SYS_DIR_H +# include <sys/dir.h> +#endif +#ifdef HAVE_NDIR_H +# include <ndir.h> +#endif +], struct direct, d_stat) + +dnl --------------- +dnl CHECK FUNCTIONS +dnl --------------- +AC_FUNC_GETPGRP +AC_FUNC_STRCOLL + +dnl need to integrate this function +dnl AC_FUNC_STRFTIME + +AC_CHECK_FUNCS(memcpy memmove \ + strftime waitpid select tcsetpgrp tcgetattr strstr lstat \ + getlogin setpgid gettimeofday gethostname mkfifo wait3 difftime \ + sigblock sigsetmask sigrelse sighold killpg sigaction getrlimit \ + sigprocmask setuid seteuid setreuid setresuid setsid strerror \ + nis_list initgroups fchdir cap_get_proc readlink nice \ + getgrgid getgrnam getpwent getpwnam getpwuid) +if test $dynamic = yes; then + AC_CHECK_FUNCS(dlopen dlerror dlsym dlclose) +fi + + +dnl ------------- +dnl CHECK SIGNALS +dnl ------------- +dnl What style of signal do you have (POSIX, BSD, or SYSV)? +AC_MSG_CHECKING(what style of signals to use) +if test $ac_cv_func_sigaction = yes -a $ac_cv_func_sigprocmask = yes; then + signals_style=POSIX_SIGNALS + AC_DEFINE(POSIX_SIGNALS) +elif test $ac_cv_func_sigblock = yes -a $ac_cv_func_sigsetmask = yes; then + signals_style=BSD_SIGNALS + AC_DEFINE(BSD_SIGNALS) +elif test $ac_cv_func_sighold = yes -a $ac_cv_func_sigrelse = yes; then + signals_style=SYSV_SIGNALS + AC_DEFINE(SYSV_SIGNALS) +else + signals_style=NO_SIGNAL_BLOCKING + AC_DEFINE(NO_SIGNAL_BLOCKING) +fi +AC_DEFINE_UNQUOTED($signals_style) +AC_MSG_RESULT($signals_style) + +dnl Where is <signal.h> located? Needed as input for signals.awk +AC_CACHE_CHECK(where signal.h is located, zsh_cv_path_signal_h, +[for SIGNAL_H in /usr/include/bsd/sys/signal.h dnl Next + /usr/include/asm/signum.h dnl alpha-Linux + /usr/include/asm/signal.h dnl Linux 1.3.0 and above + /usr/include/linux/signal.h dnl Linux up to 1.2.11 + /usr/include/sys/signal.h dnl Almost everybody else + /dev/null; dnl Just in case we fall through +do + test -f $SIGNAL_H && \ + grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H > /dev/null && \ + break +done +zsh_cv_path_signal_h=$SIGNAL_H +]) +SIGNAL_H=$zsh_cv_path_signal_h +AC_SUBST(SIGNAL_H)dnl + +dnl ----------------------------------------------------- +dnl Look for the file containing the RLIMIT_* definitions +dnl ----------------------------------------------------- +dnl CALL FOR MORE (FEWER?) LOCATIONS: I've just copied the signal checking. +AC_CACHE_CHECK(where the RLIMIT macros are located,zsh_cv_path_rlimit_h, +[for RESOURCE_H in /usr/include/bsd/sys/resource.h dnl + /usr/include/asm/resource.h dnl + /usr/include/linux/resource.h dnl + /usr/include/sys/resource.h dnl + /usr/include/resourcebits.h dnl + /dev/null; +do + test -f $RESOURCE_H && \ + grep '#[ ]*define[ ][ ]*RLIMIT_[A-Z]*[ ]*[0-9A-Z][0-9]*' $RESOURCE_H > /dev/null && \ + break +done +zsh_cv_path_rlimit_h=$RESOURCE_H +if test $RESOURCE_H = "/dev/null" -a $ac_cv_func_getrlimit = yes; then + echo "RLIMIT MACROS NOT FOUND: please report to developers" +fi]) +RLIMITS_INC_H=$zsh_cv_path_rlimit_h +dnl rlimits.h only appears in dependencies if we are actually using it. +dnl We are using it any time we have getrlimit, though if the macros were +dnl not found we simply awk through /dev/null and fail to find them. +dnl Thus, limit won't work, but at least the shell will compile. +AC_SUBST(RLIMITS_INC_H)dnl + +dnl ------------------ +dnl rlimit type checks +dnl ------------------ +DEFAULT_RLIM_T=long +AC_CACHE_CHECK(if rlim_t is quad_t, +zsh_cv_rlim_t_is_quad_t, +[AC_TRY_RUN([ +#ifdef HAVE_SYS_TIME_H +#include <sys/time.h> +#endif +#include <sys/resource.h> +main(){struct rlimit r;exit(sizeof(r.rlim_cur) <= sizeof(long));}], +zsh_cv_rlim_t_is_quad_t=yes, +zsh_cv_rlim_t_is_quad_t=no, +zsh_cv_rlim_t_is_quad_t=yes)]) +if test $zsh_cv_rlim_t_is_quad_t = yes; then + AC_DEFINE(RLIM_T_IS_QUAD_T) + DEFAULT_RLIM_T=quad_t +else + AC_CACHE_CHECK(if the rlim_t is unsigned, + zsh_cv_type_rlim_t_is_unsigned, + [AC_TRY_RUN([ +#ifdef HAVE_SYS_TIME_H +#include <sys/time.h> +#endif +#include <sys/resource.h> + main(){struct rlimit r;r.rlim_cur=-1;exit(r.rlim_cur<0);}], + zsh_cv_type_rlim_t_is_unsigned=yes, + zsh_cv_type_rlim_t_is_unsigned=no, + zsh_cv_type_rlim_t_is_unsigned=no)]) + if test $zsh_cv_type_rlim_t_is_unsigned = yes; then + AC_DEFINE(RLIM_T_IS_UNSIGNED) + DEFAULT_RLIM_T="unsigned $DEFAULT_RLIM_T" + fi +fi + +AC_CACHE_CHECK(for rlim_t, zsh_cv_type_rlim_t, +[AC_TRY_COMPILE([ +#include <sys/types.h> +#ifdef HAVE_SYS_TIME_H +#include <sys/time.h> +#endif +#include <sys/resource.h>], +[rlim_t l;], +zsh_cv_type_rlim_t=yes, +zsh_cv_type_rlim_t=no)]) +if test $zsh_cv_type_rlim_t = no; then + AC_DEFINE_UNQUOTED(rlim_t, $DEFAULT_RLIM_T) +fi + +dnl ---------------------------- +dnl CHECK FOR /dev/fd FILESYSTEM +dnl ---------------------------- +AC_CACHE_CHECK(for /dev/fd filesystem, zsh_cv_sys_path_dev_fd, +[for zsh_cv_sys_path_dev_fd in /proc/self/fd /dev/fd no; do + test x`echo ok|cat $zsh_cv_sys_path_dev_fd/0 2>/dev/null` = xok && break + done]) +if test $zsh_cv_sys_path_dev_fd != no; then + AC_DEFINE_UNQUOTED(PATH_DEV_FD, "$zsh_cv_sys_path_dev_fd") +fi + +dnl --------------------------------- +dnl CHECK FOR RFS SUPERROOT DIRECTORY +dnl --------------------------------- +AC_CACHE_CHECK(for RFS superroot directory, zsh_cv_sys_superroot, +[test -d /../.LOCALROOT && zsh_cv_sys_superroot=yes || zsh_cv_sys_superroot=no]) +if test $zsh_cv_sys_superroot = yes; then + AC_DEFINE(HAVE_SUPERROOT) +fi + +dnl ------------- +dnl CHECK FOR NIS +dnl ------------- +AC_CACHE_CHECK(for NIS, zsh_cv_sys_nis, +[test -f /usr/bin/ypcat && /usr/bin/ypcat passwd.byname > /dev/null 2>&1 && \ +zsh_cv_sys_nis=yes || zsh_cv_sys_nis=no]) +if test $zsh_cv_sys_nis = yes; then + AC_DEFINE(HAVE_NIS) +fi + +dnl ----------------- +dnl CHECK FOR NISPLUS +dnl ----------------- +AC_CACHE_CHECK(for NIS+, zsh_cv_sys_nis_plus, +[test $ac_cv_func_nis_list = yes && test -f /usr/bin/nisls && \ + /usr/bin/nisls > /dev/null 2>&1 && \ +zsh_cv_sys_nis_plus=yes || zsh_cv_sys_nis_plus=no]) +if test $zsh_cv_sys_nis_plus = yes; then + AC_DEFINE(HAVE_NIS_PLUS) +fi + +dnl ---------------------------------------- +dnl CHECK FOR LOCATION OF {U,W}TMP{,X} FILES +dnl ---------------------------------------- +zsh_PATH_UTMP(utmp) +zsh_PATH_UTMP(wtmp) +zsh_PATH_UTMP(utmpx) +zsh_PATH_UTMP(wtmpx) + +dnl ---------------- +dnl TYPEAHEAD KLUDGE +dnl ---------------- +dnl Some systems clobber typeahead when you go from canonical input +dnl processing to non-canonical, so we need a FIONREAD ioctl. +dnl I don't know how to check this with configure, so I am using the +dnl system names directly. +dnl The doubled square brackets are necessary because autoconf uses m4. +AC_CACHE_CHECK(if typeahead needs FIONREAD, zsh_cv_sys_clobbers_typeahead, +[case x-$host_vendor-$host_os in + x-*-ultrix* | x-*-dgux* | x-sni-sysv4*) + zsh_cv_sys_clobbers_typeahead=yes;; + *) + zsh_cv_sys_clobbers_typeahead=no;; +esac]) +if test $zsh_cv_sys_clobbers_typeahead = yes; then + AC_DEFINE(CLOBBERS_TYPEAHEAD) +fi + +dnl ------------------- +dnl brk/sbrk PROTOTYPES +dnl ------------------- +AC_CACHE_CHECK(for brk() prototype in <unistd.h>, +zsh_cv_header_unistd_h_brk_proto, +[AC_TRY_COMPILE([#include <unistd.h> +double brk();], [int i;], +zsh_cv_header_unistd_h_brk_proto=no, zsh_cv_header_unistd_h_brk_proto=yes)]) +if test $zsh_cv_header_unistd_h_brk_proto = yes; then + AC_DEFINE(HAVE_BRK_PROTO) +fi + +AC_CACHE_CHECK(for sbrk() prototype in <unistd.h>, +zsh_cv_header_unistd_h_sbrk_proto, +[AC_TRY_COMPILE([#include <unistd.h> +double sbrk();], [int i;], +zsh_cv_header_unistd_h_sbrk_proto=no, zsh_cv_header_unistd_h_sbrk_proto=yes)]) +if test $zsh_cv_header_unistd_h_sbrk_proto = yes; then + AC_DEFINE(HAVE_SBRK_PROTO) +fi + +dnl ------------------------ +dnl ioctl prototypes for OSF +dnl ------------------------ + +if test "$ac_cv_prog_cc_stdc" != no; then + AC_CACHE_CHECK(for ioctl prototype in <sys/ioctl.h>, + zsh_cv_header_sys_ioctl_h_ioctl_proto, + [AC_TRY_COMPILE([#include <sys/ioctl.h> + int ioctl(double x);], [int i;], + zsh_cv_header_sys_ioctl_h_ioctl_proto=no, + zsh_cv_header_sys_ioctl_h_ioctl_proto=yes)]) + if test $zsh_cv_header_sys_ioctl_h_ioctl_proto = yes; then + AC_DEFINE(HAVE_IOCTL_PROTO) + fi +fi + +dnl ----------- +dnl named FIFOs +dnl ----------- +AC_CACHE_CHECK(if named FIFOs work, +zsh_cv_sys_fifo, +[AC_TRY_RUN([ +#include <fcntl.h> +#include <signal.h> +main() +{ + char c; + int fd; + int pid, ret; + unlink("/tmp/fifo$$"); +#ifdef HAVE_MKFIFO + if(mkfifo("/tmp/fifo$$", 0600) < 0) +#else + if(mknod("/tmp/fifo$$", 0010600, 0) < 0) +#endif + exit(1); + pid = fork(); + if(pid < 0) + exit(1); + if(pid) { + fd = open("/tmp/fifo$$", O_RDONLY); + exit(fd < 0 || read(fd, &c, 1) != 1 || c != 'x'); + } + fd = open("/tmp/fifo$$", O_WRONLY); + ret = (fd < 0 || write(fd, "x", 1) < 1); + unlink("/tmp/fifo$$"); + exit(ret); +} +], + zsh_cv_sys_fifo=yes, + zsh_cv_sys_fifo=no, + zsh_cv_sys_fifo=yes)]) +if test $zsh_cv_sys_fifo = yes; then + AC_DEFINE(HAVE_FIFOS) +fi +dnl --------------------- +dnl echo style of /bin/sh +dnl --------------------- +AC_CACHE_CHECK(if echo in /bin/sh interprets escape sequences, +zsh_cv_prog_sh_echo_escape, +[if test "`/bin/sh -c \"echo '\\n'\"`" = "\\n"; then + zsh_cv_prog_sh_echo_escape=no +else + zsh_cv_prog_sh_echo_escape=yes +fi]) +if test $zsh_cv_prog_sh_echo_escape = no; then + AC_DEFINE(SH_USE_BSD_ECHO) +fi + +dnl --------------- +dnl dynamic loading +dnl --------------- +L=N +if test "$ac_cv_func_dlopen" != yes; then + dynamic=no +elif test "$ac_cv_func_dlsym" != yes; then + dynamic=no +elif test "$ac_cv_func_dlerror" != yes; then + dynamic=no +fi +if test "x$dynamic" = xyes; then + AC_CACHE_CHECK(if your system use ELF binaries, + zsh_cv_sys_elf, + [AC_TRY_RUN([/* Test for whether ELF binaries are produced */ +#include <fcntl.h> +#include <stdlib.h> +main(argc, argv) +int argc; +char *argv[]; +{ + char b[4]; + int i = open(argv[0],O_RDONLY); + if(i == -1) + exit(1); /* fail */ + if(read(i,b,4)==4 && b[0]==127 && b[1]=='E' && b[2]=='L' && b[3]=='F') + exit(0); /* succeed (yes, it's ELF) */ + else + exit(1); /* fail */ +}], + zsh_cv_sys_elf=yes, + zsh_cv_sys_elf=no, + zsh_cv_sys_elf=yes)]) + DL_EXT="${DL_EXT=so}" + if test $zsh_cv_sys_elf = yes; then + DLLD="${DLLD=$CC}" + else + DLLD="${DLLD=ld}" + fi + if test -n "$GCC"; then + DLCFLAGS="${DLCFLAGS=-fpic}" + else + case "$host_os" in + hpux*) DLCFLAGS="${DLCFLAGS=+z}" ;; + sunos*) DLCFLAGS="${DLCFLAGS=-pic}" ;; + solaris*|sysv4*|esix*) DLCFLAGS="${DLCFLAGS=-Kpic}" ;; + esac + fi + case "$host_os" in + hpux*) DLLDFLAGS="${DLLDFLAGS=-b}" ;; + linux*|irix*|osf*) DLLDFLAGS="${DLLDFLAGS=-shared}" ;; + solaris*) DLLDFLAGS="${DLLDFLAGS=-G}" ;; + sunos*) DLLDFLAGS="${DLLDFLAGS=-assert nodefinitions}" ;; + sysv4*|esix*) DLLDFLAGS="${DLLDFLAGS=-G $ldflags}" ;; + netbsd*) DLLDFLAGS="${DLLDFLAGS=-x -shared --whole-archive}" ;; + esac + case "$host_os" in + hpux*) EXTRA_LDFLAGS="${EXTRA_LDFLAGS=-Wl,-E}" ;; + linux*) EXTRA_LDFLAGS="${EXTRA_LDFLAGS=-rdynamic}" ;; + esac + AC_CACHE_CHECK(if your dlsym() needs a leading underscore, + zsh_cv_func_dlsym_needs_underscore, + [cat >conftest.c <<EOM +fred () { } +EOM + $CC -c $CFLAGS $CPPFLAGS $DLCFLAGS conftest.c 1>&5 2>&5 && + $DLLD -o conftest.$DL_EXT $LDFLAGS $DLLDFLAGS conftest.o 1>&5 2>&5 && + AC_TRY_RUN([ +#include <stdio.h> +#ifdef HAVE_DLFCN_H +#include <dlfcn.h> +#else +#include <sys/types.h> +#include <nlist.h> +#include <link.h> +#endif +#ifndef RTLD_LAZY +#define RTLD_LAZY 1 +#endif + +extern int fred() ; + +main() +{ + void * handle ; + void * symbol ; + FILE *f=fopen("conftestval", "w"); + if (!f) exit(1); + handle = dlopen("./conftest.$DL_EXT", RTLD_LAZY) ; + if (handle == NULL) { + fprintf (f, "dlopen failed") ; + exit(1); + } + symbol = dlsym(handle, "fred") ; + if (symbol == NULL) { + /* try putting a leading underscore */ + symbol = dlsym(handle, "_fred") ; + if (symbol == NULL) { + fprintf (f, "dlsym failed") ; + exit(1); + } + fprintf (f, "yes") ; + } + else + fprintf (f, "no") ; + exit(0); +}], zsh_cv_func_dlsym_needs_underscore=`cat conftestval`, + zsh_cv_func_dlsym_needs_underscore=failed + dynamic=no, + zsh_cv_func_dlsym_needs_underscore=no)]) + if test "$zsh_cv_func_dlsym_needs_underscore" = yes; then + AC_DEFINE(DLSYM_NEEDS_UNDERSCORE) + fi +fi + +if test "x$dynamic" = xyes; then + zsh_SYS_DYNAMIC_BROKEN + test "$zsh_cv_sys_dynamic_broken" = no || dynamic=no +fi + +if test "x$dynamic" = xyes; then + zsh_SYS_DYNAMIC_CLASH + zsh_SYS_DYNAMIC_GLOBAL + RTLD_GLOBAL_OK=$zsh_cv_sys_dynamic_rtld_global + zsh_SYS_DYNAMIC_EXECSYMS + if test "$zsh_cv_sys_dynamic_execsyms" != yes; then + L=L + fi + zsh_SYS_DYNAMIC_STRIP_EXE + zsh_SYS_DYNAMIC_STRIP_LIB + if $strip_exeldflags && test "$zsh_cv_sys_dynamic_strip_exe" = yes; then + EXELDFLAGS="$EXELDFLAGS -s" + fi + if $strip_libldflags && test "$zsh_cv_sys_dynamic_strip_lib" = yes; then + LIBLDFLAGS="$LIBLDFLAGS -s" + fi +else + $strip_exeldflags && EXELDFLAGS="$EXELDFLAGS -s" + $strip_libldflags && LIBLDFLAGS="$LIBLDFLAGS -s" + RTLD_GLOBAL_OK=no +fi + +if test "x$dynamic" = xyes; then + D=D + AC_DEFINE(DYNAMIC)dnl +else + D=N +fi + +AC_DEFINE_UNQUOTED(DL_EXT, "$DL_EXT")dnl +AC_SUBST(D)dnl +AC_SUBST(DL_EXT)dnl +AC_SUBST(DLLD)dnl +AC_SUBST(DLCFLAGS)dnl +AC_SUBST(DLLDFLAGS)dnl +AC_SUBST(EXTRA_LDFLAGS)dnl +AC_SUBST(L)dnl +AC_SUBST(RTLD_GLOBAL_OK)dnl + +real_no_create=$no_create +no_create=yes +AC_OUTPUT(Makefile Doc/Makefile Etc/Makefile Src/Makefile, \ +[test -z "$CONFIG_HEADERS" || echo > stamp-h]) + +dnl The standard config.status is missing some essential features. +dnl So add them now. +[( + echo '1,$s@^#( *ac_file_inputs=#).*$@#1`echo $ac_file_in | sed -e "s%^%:%" -e "s%:##([^!]##)% $ac_given_srcdir/##1%g" -e "s%:!% %"`@' + echo '/ac_sed_cmds=cat/+a' + echo '' + echo 'ac_sed_inc_cmds="' + quote_sed='s,\.,#.,g' + for name in `echo '' ${srcdir}/Config/*.mk | sed "s, ${srcdir}/Config/, ,g"`; do + echo '/^@@'`echo $name | sed -e "$quote_sed"`'@@#$/{r $ac_given_srcdir/Config/'$name + echo 'd;}' + done + echo '"' + echo '.' + echo '1,$s@^#( *#)#(sed -e "#$ac_comsub *#)$@#1sed -e "$ac_sed_inc_cmds" $ac_file_inputs | #2@' + echo '1,$s@^#( *"#) *$ac_file_inputs |@#1 |@' + echo 'w' + echo 'q' +) | tr '#' '\\' | ed $CONFIG_STATUS >/dev/null 2>/dev/null] + +test "$real_no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1 + +eval "zshbin1=${bindir}" +eval "zshbin2=${zshbin1}" +eval "zshman=${mandir}" +eval "zshinfo=${infodir}" + +echo " +zsh configuration +----------------- +zsh version : ${VERSION} +host operating system : ${host_cpu}-${host_vendor}-${host_os} +source code location : ${srcdir} +compiler : ${CC} +executable compiler flags : ${CFLAGS}" +if test "$dynamic" = yes; then + echo "\ +module compiler flags : ${CFLAGS} ${DLCFLAGS}" +fi +echo "\ +executable linker flags : ${LDFLAGS} ${EXELDFLAGS} ${EXTRA_LDFLAGS}" +if test "$dynamic" = yes; then + echo "\ +module linker flags : ${LDFLAGS} ${LIBLDFLAGS} ${DLLDFLAGS}" +fi +echo "\ +library flags : ${LIBS} +binary install path : ${zshbin2} +man page install path : ${zshman} +info install path : ${zshinfo} +" |