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 Handle --program-prefix, --program-suffix, etc. zsh_ARG_PROGRAM 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 Do you want large file support, if available? undefine([lfs])dnl AC_ARG_ENABLE(lfs, [ --disable-lfs turn off support for large files], [lfs="$enableval"], [lfs=yes]) dnl Pathnames for global zsh scripts undefine([etcdir])dnl AC_ARG_ENABLE(etcdir, [ --enable-etcdir=directory default directory for global zsh scripts], [etcdir="$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, "$zlogout") fi AC_SUBST(zshenv)dnl AC_SUBST(zshrc)dnl AC_SUBST(zprofile)dnl AC_SUBST(zlogin)dnl AC_SUBST(zlogout)dnl dnl Do you want dynamically loaded binary modules. undefine([dynamic])dnl AC_ARG_ENABLE(dynamic, [ --disable-dynamic turn off dynamically loaded binary modules], [dynamic="$enableval"], [dynamic=yes]) dnl Do you want to disable a list of modules? dnl Unfortunately we can't give --disable-* a value, so we'll have dnl to do it as an `--enable-*', rather unnaturally. undefine([OMIT_MODULES])dnl AC_ARG_ENABLE(omit-modules, [ --enable-omit-modules give comma-separated list of modules to ignore], [OMIT_MODULES="$enableval"], [OMIT_MODULES=]) AC_SUBST(OMIT_MODULES)dnl dnl Do you want to compile as K&R C. AC_ARG_ENABLE(ansi2knr, [ --enable-ansi2knr translate source to K&R C before compiling], [ansi2knr="$enableval"], [ansi2knr=default]) dnl Do you want to disable restricted on r* commands undefine([restricted-r])dnl AC_ARG_ENABLE(restricted-r, [ --disable-restricted-r turn off restricted shell if the invoked command is r*], [if test x$enableval = xyes; then AC_DEFINE(RESTRICTED_R) fi], AC_DEFINE(RESTRICTED_R) ) dnl Do you want to disable use of locale functions AC_ARG_ENABLE([locale], [ --disable-locale turn off locale features], [if test x$enableval = xyes; then AC_DEFINE(CONFIG_LOCALE) fi], AC_DEFINE(CONFIG_LOCALE) ) undefine([fndir])dnl AC_ARG_ENABLE(fndir, [ --enable-fndir=DIR where functions go], dnl ${VERSION} to be determined at compile time. [if test $enableval = yes; then fndir=${datadir}/${tzsh_name}/'${VERSION}'/functions else fndir="$enableval" fi], [fndir=${datadir}/${tzsh_name}/'${VERSION}'/functions]) undefine([sitefndir])dnl AC_ARG_ENABLE(sitefndir, [ --enable-site-fndir=DIR where site functions (not version specific) go], [if test $enableval = yes; then sitefndir=${datadir}/${tzsh_name}/site-functions else sitefndir="$enableval" fi], [sitefndir=${datadir}/${tzsh_name}/site-functions]) undefine([function_subdirs]) AC_ARG_ENABLE(function-subdirs, [ --enable-function-subdirs install functions in subdirectories]) if test "x${FUNCTIONS_INSTALL+set}" != xset; then FUNCTIONS_INSTALL="Core/* Base/* Builtins/* User/* Commands/* Debian/* Linux/* X/* Zle/* Prompts/* Misc/*" if test $dynamic != no; then FUNCTIONS_INSTALL="${FUNCTIONS_INSTALL} Zftp/*" fi fi if test "x${enable_function_subdirs}" != x -a \ "x${enable_function_subdirs}" != xno -a \ "x$FUNCTIONS_INSTALL" != x; then FUNCTIONS_SUBDIRS=yes else FUNCTIONS_SUBDIRS=no fi AC_SUBST(fndir)dnl AC_SUBST(sitefndir)dnl AC_SUBST(FUNCTIONS_INSTALL)dnl AC_SUBST(FUNCTIONS_SUBDIRS)dnl dnl Do you want maildir support? undefine([maildir_support])dnl AC_ARG_ENABLE(maildir-support, [ --enable-maildir-support Enable maildir support in MAIL and MAILPATH], [if test x$enableval = xyes; then AC_DEFINE(MAILDIR_SUPPORT) fi]) 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 Check for large file support. dnl This needs to be done early to get the stuff into the flags. if test $lfs != no; then zsh_LARGE_FILE_SUPPORT fi dnl if the user hasn't specified CFLAGS, then dnl if compiler is gcc, then use -O2 and some warning flags dnl else use -O if test -n "$auto_cflags"; then if test "${enable_zsh_debug}" = yes; then if test -n "$GCC"; then CFLAGS="$CFLAGS -Wall -Wno-implicit -Wmissing-prototypes -ggdb" else CFLAGS="$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 case "${enable_zsh_debug}$host_os" in yesaix*|yeshpux*|yesnetbsd*) ;; # "ld -g" is not valid on these systems yes*) LDFLAGS=-g ;; *) LDFLAGS=-s ;; esac 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-length arrays, zsh_cv_c_variable_length_arrays, [AC_TRY_COMPILE([int foo(), n;], [int i[foo()], a[n+1];], 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_PROG_LN dnl Check for working ln, for "make install" AC_CHECK_PROGS([YODL], [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 poll.h sys/mman.h) if test $dynamic = yes; then AC_CHECK_HEADERS(dlfcn.h) AC_CHECK_HEADERS(dl.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 #include ], [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 #include #include ], [/* 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 #include ], [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 #include ], [int x = TIOCGWINSZ;], zsh_cv_header_sys_ioctl_h_tiocgwinsz=yes, zsh_cv_header_sys_ioctl_h_tiocgwinsz=no)]) if test $zsh_cv_header_sys_ioctl_h_tiocgwinsz = yes; then AC_DEFINE(GWINSZ_IN_SYS_IOCTL) fi fi AC_CHECK_HEADER([sys/ptem.h], AC_DEFINE(WINSIZE_IN_PTEM)) dnl ------------------- dnl CHECK FOR LIBRARIES dnl ------------------- dnl On some systems, modules need to be linked against libc explicitly, dnl in case they require objects that exist only in the static version dnl and might not be compiled into the zsh executable. AC_CHECK_LIB(c, printf) AC_CHECK_LIB(m, pow) dnl Prefer BSD termcap library to SysV curses library, except on certain dnl versions of AIX and HP-UX. case "$host_os" in aix*|hpux10.*) termcap_curses_order="curses ncurses termcap" ;; *) termcap_curses_order="termcap curses ncurses" ;; esac 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) AC_CHECK_LIB(socket, socket) 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 #if HAVE_TERMIOS_H #include #endif #if HAVE_TERMCAP_H #include #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) dnl Some termcaps reportedly accept a zero buffer, but then dump core dnl in tgetstr(). AC_CACHE_CHECK(if tgetent accepts NULL, zsh_cv_func_tgetent_accepts_null, [AC_TRY_RUN([ main() { int i = tgetent((char*)0,"vt100"); if (i > 0) { char tbuf[1024], *u; u = tbuf; tgetstr("cl", &u); } 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_CHECK_TYPE(ino_t, unsigned long) AC_TYPE_MODE_T AC_TYPE_UID_T AC_TYPE_SIZE_T dnl ------------------------------------------------ dnl Check size of long and try to find a 64-bit type dnl ------------------------------------------------ dnl AC_CHECK_SIZEOF is no good, because we need the result here, dnl and that doesn't seem to define a shell parameter. AC_CACHE_CHECK(if long is 64 bits, zsh_cv_long_is_64_bit, [AC_TRY_RUN([int main() { return sizeof(long) < 8; }], zsh_cv_long_is_64_bit=yes, zsh_cv_long_is_64_bit=no, zsh_cv_long_is_64_bit=no)]) if test $zsh_cv_long_is_64_bit = yes; then AC_DEFINE(LONG_IS_64_BIT) else AC_CACHE_CHECK(if off_t is 64 bit, zsh_cv_off_t_is_64_bit, [AC_TRY_RUN([ #include main() { return sizeof(off_t) < 8; } ], zsh_cv_off_t_is_64_bit=yes, zsh_cv_off_t_is_64_bit=no, zsh_cv_off_t_is_64_bit=no)]) if test $zsh_cv_off_t_is_64_bit = yes; then AC_DEFINE(OFF_T_IS_64_BIT) fi AC_CACHE_CHECK(if ino_t is 64 bit, zsh_cv_ino_t_is_64_bit, [AC_TRY_RUN([ #include main() { return sizeof(ino_t) < 8; } ], zsh_cv_ino_t_is_64_bit=yes, zsh_cv_ino_t_is_64_bit=no, zsh_cv_ino_t_is_64_bit=no)]) if test $zsh_cv_ino_t_is_64_bit = yes; then AC_DEFINE(INO_T_IS_64_BIT) fi if test $lfs != no -o $zsh_cv_off_t_is_64_bit = yes \ -o $zsh_cv_ino_t_is_64_bit = yes; then AC_CACHE_CHECK(if compiler has a 64 bit type, zsh_cv_64_bit_type, [if test $lfs != yes -a $lfs != no; then zsh_64_BIT_TYPE(${lfs}, zsh_cv_64_bit_type, force) else zsh_64_BIT_TYPE(long long, zsh_cv_64_bit_type) if test "$zsh_cv_64_bit_type" = no; then zsh_64_BIT_TYPE(quad_t, zsh_cv_64_bit_type) fi if test "$zsh_cv_64_bit_type" = no; then zsh_64_BIT_TYPE(__int64_t, zsh_cv_64_bit_type) fi dnl As a last resort, if we know off_t has 64 bits, use that as dnl the 64-bit integer type. I don't dare try ino_t since there's dnl probably nothing to stop that being unsigned. if test "$zsh_cv_64_bit_type" = no -a \ "$zsh_cv_off_t_is_64_bit" = yes; then zsh_64_BIT_TYPE(off_t, zsh_cv_64_bit_type) fi fi]) if test "$zsh_cv_64_bit_type" != no; then AC_DEFINE_UNQUOTED(ZSH_64_BIT_TYPE, $zsh_cv_64_bit_type) dnl Handle cases where unsigned type cannot be simply dnl `unsigned ZSH_64_BIT_TYPE'. More tests may be required. AC_CACHE_CHECK(for a corresponding unsigned 64 bit type, zsh_cv_64_bit_utype, [zsh_64_BIT_TYPE(unsigned $zsh_cv_64_bit_type, zsh_cv_64_bit_utype, force) if test "$zsh_cv_64_bit_utype" = no; then zsh_64_BIT_TYPE(__uint64_t, zsh_cv_64_bit_utype) fi]) if test "$zsh_cv_64_bit_utype" != no; then AC_DEFINE_UNQUOTED(ZSH_64_BIT_UTYPE, $zsh_cv_64_bit_utype) fi fi fi fi dnl Check for sigset_t. Currently I'm looking in dnl and . Others might need dnl to be added. AC_CACHE_CHECK(for sigset_t, zsh_cv_type_sigset_t, [AC_TRY_COMPILE( [#include #include ], [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 #endif ], struct timezone) dnl Check for utmp structures, for watch zsh_TYPE_EXISTS([ #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_UTMP_H # include #endif ], struct utmp) zsh_TYPE_EXISTS([ #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_UTMPX_H # include #endif ], struct utmpx) dnl Check contents of utmp structures zsh_STRUCT_MEMBER([ #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_UTMP_H # include #endif ], struct utmp, ut_host) zsh_STRUCT_MEMBER([ #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_UTMPX_H # include #endif ], struct utmpx, ut_host) zsh_STRUCT_MEMBER([ #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_UTMPX_H # include #endif ], struct utmpx, ut_xtime) zsh_STRUCT_MEMBER([ #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_UTMPX_H # include #endif ], struct utmpx, ut_tv) dnl Check for inode numbers in directory entry structures zsh_STRUCT_MEMBER([ #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_DIRENT_H # include #endif ], struct dirent, d_ino) zsh_STRUCT_MEMBER([ #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_DIRENT_H # include #endif ], struct dirent, d_stat) zsh_STRUCT_MEMBER([ #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_SYS_NDIR_H # include #endif #ifdef HAVE_SYS_DIR_H # include #endif #ifdef HAVE_NDIR_H # include #endif ], struct direct, d_ino) zsh_STRUCT_MEMBER([ #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_SYS_NDIR_H # include #endif #ifdef HAVE_SYS_DIR_H # include #endif #ifdef HAVE_NDIR_H # include #endif ], struct direct, d_stat) dnl Check IPv6 socket address structure type zsh_STRUCT_MEMBER([ #ifdef HAVE_SYS_TYPES_H # include #endif #include ], struct sockaddr_in6, sin6_scope_id) dnl --------------- dnl CHECK FUNCTIONS dnl --------------- dnl need to integrate this function dnl AC_FUNC_STRFTIME AC_CHECK_FUNCS(strftime difftime gettimeofday \ select poll \ readlink lstat lchown faccessx fchdir ftruncate \ fseeko ftello \ mkfifo _mktemp \ waitpid wait3 \ sigaction sigblock sighold sigrelse sigsetmask sigprocmask \ killpg setpgid setpgrp tcsetpgrp tcgetattr nice \ gethostname gethostbyname2 getipnodebyname \ inet_aton inet_pton inet_ntop \ getlogin getpwent getpwnam getpwuid getgrgid getgrnam \ initgroups nis_list \ setuid seteuid setreuid setresuid setsid \ memcpy memmove strstr strerror \ mmap munmap msync \ cap_get_proc \ getrlimit \ setlocale \ uname) AC_FUNC_STRCOLL if test $ac_cv_func_setpgrp = yes; then AC_FUNC_GETPGRP else dnl If there is no setpgrp, the test for getpgrp(void) will fail dnl because the program will not compile. However, in that case dnl we can be reasonably confident we are not dealing with a dnl Berkeleyesque system, so assume getpgrp does take void. ac_cv_func_getpgrp_void=yes AC_DEFINE(GETPGRP_VOID) fi if test $dynamic = yes; then AC_CHECK_FUNCS(dlopen dlerror dlsym dlclose load loadquery loadbind unload \ shl_load shl_unload shl_findsym) 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($signals_style) dnl Where is located? Needed as input for signals.awk AC_CACHE_CHECK(where signal.h is located, zsh_cv_path_signal_h, [dnl Look at the output from the preprocessor. dnl We should get lines of the form `# 1 "/usr/include/signal.h"' dnl The following assumes the real definitions are in a file which dnl contains the name `sig'; we could relax this if necessary, dnl but then you can get a rather long list of files to test. dnl The backslash substitution is to persuade cygwin to cough up dnl slashes rather than doubled backslashes in the path. echo "#include " > nametmp.c sigfile_list="`$CPP nametmp.c | sed -n 's/^#[ ].*\"\(.*\)\"/\1/p' | sed 's/\\\\\\\\/\//g' | $AWK '{ if (\$1 ~ \"sig\") files[[\$1]] = \$1 } END { for (var in files) print var }'`" rm -f nametmp.c if test -z "$sigfile_list"; then dnl In case we don't get the stuff from the preprocesor, use the old dnl list of standard places. sigfile_list="/usr/include/sys/iso/signal_iso.h /usr/include/bsd/sys/signal.h /usr/include/signum.h /usr/include/asm/signum.h /usr/include/asm/signal.h /usr/include/linux/signal.h /usr/include/sys/signal.h /usr/include/bits/signum.h /dev/null" fi for SIGNAL_H in $sigfile_list do dnl Try to make sure it doesn't get confused by files that don't dnl have real signal definitions in, but do #define SIG* by counting dnl the number of signals. Maybe we could even check for e.g. SIGHUP? nsigs=`test -f $SIGNAL_H && \ grep '#[ ]*define[ ][ ]*SIG[0-9A-Z]*[ ]*[0-9][0-9]*' $SIGNAL_H | \ wc -l | sed 's/[ ]//g'` test "x$nsigs" != x && test "$nsigs" -ge 7 && break done if test $SIGNAL_H = "/dev/null"; then AC_MSG_ERROR(SIGNAL MACROS NOT FOUND: please report to developers) fi zsh_cv_path_signal_h=$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/bits/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 $ac_cv_func_getrlimit = yes; then AC_MSG_WARN(RLIMIT MACROS NOT FOUND: please report to developers) fi]) RLIMITS_INC_H=$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 longer than a long, zsh_cv_rlim_t_is_longer, [AC_TRY_RUN([ #ifdef HAVE_SYS_TIME_H #include #endif #include main(){struct rlimit r;exit(sizeof(r.rlim_cur) <= sizeof(long));}], zsh_cv_rlim_t_is_longer=yes, zsh_cv_rlim_t_is_longer=no, zsh_cv_rlim_t_is_longer=yes)]) if test $zsh_cv_rlim_t_is_longer = yes; then AC_CACHE_CHECK(if rlim_t is a quad, zsh_cv_rlim_t_is_quad_t, [AC_TRY_RUN([ #ifdef HAVE_SYS_TIME_H #include #endif #include #include main() { struct rlimit r; char buf[20]; r.rlim_cur = 0; sprintf(buf, "%qd", r.rlim_cur); exit(strcmp(buf, "0")); }], zsh_cv_rlim_t_is_quad_t=yes, zsh_cv_rlim_t_is_quad_t=no, zsh_cv_rlim_t_is_quad_t=no)]) 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_DEFINE(RLIM_T_IS_LONG_LONG) DEFAULT_RLIM_T='long long' fi 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 #endif #include 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 #ifdef HAVE_SYS_TIME_H #include #endif #include ], [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 $zsh_cv_sys_superroot = yes; then AC_DEFINE(HAVE_SUPERROOT) fi dnl CHECK FOR SYSTEMS REQUIRING GETCWD AC_CACHE_CHECK(whether we should use the native getcwd, zsh_cv_use_getcwd, [case "${host_cpu}-${host_vendor}-${host_os}" in *QNX*) zsh_cv_use_getcwd=yes ;; *) zsh_cv_use_getcwd=no ;; esac]) if test $zsh_cv_use_getcwd = yes; then AC_DEFINE(USE_GETCWD) 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 brk/sbrk PROTOTYPES dnl ------------------- AC_CACHE_CHECK(for brk() prototype in , zsh_cv_header_unistd_h_brk_proto, [AC_TRY_COMPILE([#include 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 , zsh_cv_header_unistd_h_sbrk_proto, [AC_TRY_COMPILE([#include double sbrk();], [int i;], zsh_cv_header_unistd_h_sbrk_proto=no, zsh_cv_header_unistd_h_sbrk_proto=yes)]) if test $zsh_cv_header_unistd_h_sbrk_proto = yes; then AC_DEFINE(HAVE_SBRK_PROTO) fi dnl ---------------------------------- dnl ioctl and mknod prototypes for OSF dnl ---------------------------------- if test "$ac_cv_prog_cc_stdc" != no; then AC_CACHE_CHECK(for ioctl prototype in , zsh_cv_header_sys_ioctl_h_ioctl_proto, [AC_TRY_COMPILE([#include 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 AC_CACHE_CHECK(for mknod prototype in , zsh_cv_header_sys_stat_h_mknod_proto, [AC_TRY_COMPILE([#include int mknod(double x);], [int i;], zsh_cv_header_sys_stat_h_mknod_proto=no, zsh_cv_header_sys_stat_h_mknod_proto=yes)]) if test $zsh_cv_header_sys_stat_h_mknod_proto = yes; then AC_DEFINE(HAVE_MKNOD_PROTO) fi fi dnl ------------------- dnl select() defined in , ie BeOS R4.51 dnl ------------------- if test $ac_cv_header_sys_select_h != yes; then AC_CACHE_CHECK(for select() in , zsh_cv_header_socket_h_select_proto, [AC_TRY_COMPILE([#include ], [fd_set fd;], zsh_cv_header_socket_h_select_proto=yes, zsh_cv_header_socket_h_select_proto=no)]) if test $zsh_cv_header_socket_h_select_proto = yes; then AC_DEFINE(SELECT_IN_SYS_SOCKET_H) fi fi dnl ----------- dnl named FIFOs dnl ----------- AC_CACHE_CHECK(if named FIFOs work, zsh_cv_sys_fifo, [AC_TRY_RUN([ #include #include 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_RDWR); 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 test for whether link() works dnl for instance, BeOS R4.51 doesn't support hard links yet dnl ----------- AC_CACHE_CHECK(if link() works, zsh_cv_sys_link, [AC_TRY_RUN([ #include #include main() { int ret; char *tmpfile, *newfile; tmpfile="/tmp/zsh.linktest$$"; newfile="/tmp/zsh.linktest2$$"; unlink(tmpfile); unlink(newfile); if(creat(tmpfile, 0644) < 0) exit(1); ret = link(tmpfile, newfile); unlink(tmpfile); unlink(newfile); exit(ret<0); } ], zsh_cv_sys_link=yes, zsh_cv_sys_link=no, zsh_cv_sys_link=yes)]) if test $zsh_cv_sys_link = yes; then AC_DEFINE(HAVE_LINK) fi dnl ----------- dnl test for whether kill(pid, 0) where pid doesn't exit dnl should set errno to ESRCH, but some like BeOS R4.51 set to EINVAL dnl ----------- AC_CACHE_CHECK(if kill(pid, 0) returns ESRCH correctly, zsh_cv_sys_killesrch, [AC_TRY_RUN([ #include #include #include main() { int pid, ret; pid=getpid() + 10000; ret=kill(pid, 0); exit(ret<0 && errno!=ESRCH); } ], zsh_cv_sys_killesrch=yes, zsh_cv_sys_killesrch=no, zsh_cv_sys_killesrch=yes)]) if test $zsh_cv_sys_killesrch = no; then AC_DEFINE(BROKEN_KILL_ESRCH) fi dnl ----------- dnl if POSIX, test for working sigsuspend(). dnl for instance, BeOS R4.51 is broken. dnl ----------- if test $signals_style=POSIX_SIGNALS; then AC_CACHE_CHECK(if POSIX sigsuspend() works, zsh_cv_sys_sigsuspend, [AC_TRY_RUN([ #include #include int child=0; void handler(sig) int sig; {if(sig==SIGCHLD) child=1;} main() { struct sigaction act; sigset_t set; int pid, ret; act.sa_handler = &handler; sigfillset(&act.sa_mask); act.sa_flags = 0; sigaction(SIGCHLD, &act, 0); sigfillset(&set); sigprocmask(SIG_SETMASK, &set, 0); pid=fork(); if(pid==0) return 0; if(pid>0) { sigemptyset(&set); ret=sigsuspend(&set); exit(child==0); } } ], zsh_cv_sys_sigsuspend=yes, zsh_cv_sys_sigsuspend=no, zsh_cv_sys_sigsuspend=yes)]) if test $zsh_cv_sys_sigsuspend = no; then AC_DEFINE(BROKEN_POSIX_SIGSUSPEND) fi fi dnl ----------- dnl if found tcsetpgrp, test to see if it actually works dnl for instance, BeOS R4.51 does not support it yet dnl ----------- if test -t 0 -a $ac_cv_func_tcsetpgrp=yes; then AC_CACHE_CHECK(if tcsetpgrp() actually works, zsh_cv_sys_tcsetpgrp, [AC_TRY_RUN([ #include #include main() { int ret; ret=tcsetpgrp(0, tcgetpgrp(0)); exit(ret<0); } ], zsh_cv_sys_tcsetpgrp=yes, zsh_cv_sys_tcsetpgrp=no, zsh_cv_sys_tcsetpgrp=yes)]) if test $zsh_cv_sys_tcsetpgrp = no; then AC_DEFINE(BROKEN_TCSETPGRP) fi fi dnl ----------- dnl test for faked getpwnam() entry, ie a single entry returned for any username dnl for instance, BeOS R4.51 is not multiuser yet, and fakes getpwnam() dnl test by looking up two usernames that shouldn't succeed, and compare entry dnl ----------- if test $ac_cv_func_getpwnam=yes; then AC_CACHE_CHECK(if getpwnam() is faked, zsh_cv_sys_getpwnam_faked, [AC_TRY_RUN([ #include main() { struct passwd *pw1, *pw2; char buf[1024], name[1024]; sprintf(buf, "%d:%d", getpid(), rand()); pw1=getpwnam(buf); if (pw1) strcpy(name, pw1->pw_name); sprintf(buf, "%d:%d", rand(), getpid()); pw2=getpwnam(buf); exit(pw1!=0 && pw2!=0 && !strcmp(name, pw2->pw_name)); } ], zsh_cv_sys_getpwnam_faked=no, zsh_cv_sys_getpwnam_faked=yes, zsh_cv_sys_getpwnam_faked=no)]) if test $zsh_cv_sys_getpwnam_faked = yes; then AC_DEFINE(GETPWNAM_FAKED) fi fi dnl --------------- dnl dynamic loading dnl --------------- L=N aixdynamic=no hpuxdynamic=no if test "$ac_cv_func_dlopen" != yes || test "$ac_cv_func_dlsym" != yes || test "$ac_cv_func_dlerror" != yes; then if test "$ac_cv_func_load" != yes || test "$ac_cv_func_unload" != yes || test "$ac_cv_func_loadbind" != yes || test "$ac_cv_func_loadquery" != yes; then if test "$ac_cv_func_shl_load" != yes || test "$ac_cv_func_shl_unload" != yes || test "$ac_cv_func_shl_findsym" != yes; then dynamic=no elif test "x$dynamic" = xyes; then hpuxdynamic=yes DL_EXT="${DL_EXT=sl}" dnl autoheader won't allow us to define anything which isn't dnl going into a header, and we can't undefine anything, so dnl just define this anyway and rely on the later tests to dnl define DYNAMIC or not. AC_DEFINE(HPUXDYNAMIC)dnl fi elif test "x$dynamic" = xyes; then aixdynamic=yes fi fi test -n "$GCC" && LDARG=-Wl, if test "x$aixdynamic" = xyes; then DL_EXT="${DL_EXT=so}" DLLD="${DLLD=$CC}" zsh_cv_func_dlsym_needs_underscore=no DLLDFLAGS=${DLLDFLAGS=} EXTRA_LDFLAGS=${EXTRA_LDFLAGS=} EXPOPT=${LDARG}-bE: IMPOPT=${LDARG}-bI: zsh_cv_sys_dynamic_clash_ok="${zsh_cv_sys_dynamic_clash_ok=yes}" zsh_cv_sys_dynamic_rtld_global="${zsh_cv_sys_dynamic_rtld_global=yes}" zsh_cv_sys_dynamic_execsyms="${zsh_cv_sys_dynamic_execsyms=yes}" zsh_cv_sys_dynamic_strip_exe="${zsh_cv_sys_dynamic_strip_exe=yes}" zsh_cv_sys_dynamic_strip_lib="${zsh_cv_sys_dynamic_strip_lib=yes}" zsh_cv_sys_dynamic_broken="${zsh_cv_sys_dynamic_broken=no}" elif test "x$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 #include 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=$CC}" DLLDARG="${LDARG}" else DLLD="${DLLD=ld}" DLLDARG="" fi if test -n "$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="${DLLDFLAGS=-b}" ;; freebsd*|linux*|irix*|osf*) DLLDFLAGS="${DLLDFLAGS=-shared}" ;; sunos*) DLLDFLAGS="${DLLDFLAGS=-assert nodefinitions}" ;; sysv4*|esix*) DLLDFLAGS="${DLLDFLAGS=-G $ldflags}" ;; netbsd*) DLLDFLAGS="${DLLDFLAGS=${DLLDARG}-x -shared --whole-archive}" ;; aix*) DLLDFLAGS="${DLLDFLAGS=-G -bexpall -lc}" ;; solaris*|sysv4*|esix*) DLLDFLAGS="${DLLDFLAGS=-G}" ;; esac case "$host" in *-hpux*) EXTRA_LDFLAGS="${EXTRA_LDFLAGS=-Wl,-E}" ;; *-freebsd3*|*-freebsd4*|*-linux*) EXTRA_LDFLAGS="${EXTRA_LDFLAGS=-rdynamic}" ;; mips-sni-sysv4) # # unfortunately, we have different compilers # that need different flags # sni_cc_version=`$CC -V 2>&1 | head -1` case "$sni_cc_version" in *CDS* ) EXTRA_LDFLAGS="${EXTRA_LDFLAGS=-Wl,-Blargedynsym}" ;; * ) EXTRA_LDFLAGS="${EXTRA_LDFLAGS=-LD-Blargedynsym}" ;; esac ;; esac AC_CACHE_CHECK(if your dlsym() needs a leading underscore, zsh_cv_func_dlsym_needs_underscore, [echo failed >conftestval && cat >conftest.c <&5 2>&5 && $DLLD -o conftest.$DL_EXT $LDFLAGS $DLLDFLAGS conftest.o 1>&5 2>&5 && AC_TRY_RUN([ #include #ifdef HPUXDYNAMIC #include #define RTLD_LAZY BIND_DEFERRED #define RTLD_GLOBAL DYNAMIC_PATH char *zsh_gl_sym_addr ; #define dlopen(file,mode) (void *)shl_load((file), (mode), (long) 0) #define dlclose(handle) shl_unload((shl_t)(handle)) #define dlsym(handle,name) (zsh_gl_sym_addr=0,shl_findsym((shl_t *)&(handle),name,TYPE_UNDEFINED,&zsh_gl_sym_addr), (void *)zsh_gl_sym_addr) #define dlerror() 0 #else #ifdef HAVE_DLFCN_H #include #else #include #include #include #endif #endif #ifndef RTLD_LAZY #define RTLD_LAZY 1 #endif extern int fred() ; main() { void * handle ; void * symbol ; FILE *f=fopen("conftestval", "w"); if (!f) exit(1); handle = dlopen("./conftest.$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 "x$zsh_cv_func_dlsym_needs_underscore" = xyes; then AC_DEFINE(DLSYM_NEEDS_UNDERSCORE) elif test "x$zsh_cv_func_dlsym_needs_underscore" != xno; then dnl Do not cache failed value unset zsh_cv_func_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$dynamic" = xyes; then D=D AC_DEFINE(DYNAMIC)dnl else D=N fi if test "x$aixdynamic" = xyes; then E=E AC_DEFINE(AIXDYNAMIC)dnl else E=N fi if test "x$zsh_cv_sys_dynamic_clash_ok" = xyes; then SHORTBOOTNAMES=yes else SHORTBOOTNAMES=no fi AC_SUBST(SHORTBOOTNAMES) AC_DEFINE_UNQUOTED(DL_EXT, "$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(E)dnl AC_SUBST(EXTRA_LDFLAGS)dnl AC_SUBST(EXPOPT)dnl AC_SUBST(IMPOPT)dnl AC_SUBST(L)dnl AC_SUBST(RTLD_GLOBAL_OK)dnl CLEAN_MK="${srcdir}/Config/clean.mk" CONFIG_MK="${srcdir}/Config/config.mk" dnl defs.mk is in the build tree, not the source tree DEFS_MK="Config/defs.mk" FUNCINST_MK="${srcdir}/Config/funcinst.mk" VERSION_MK="${srcdir}/Config/version.mk" AC_SUBST_FILE(CLEAN_MK)dnl AC_SUBST_FILE(CONFIG_MK)dnl AC_SUBST_FILE(DEFS_MK)dnl AC_SUBST_FILE(FUNCINST_MK)dnl AC_SUBST_FILE(VERSION_MK)dnl real_no_create=$no_create no_create=yes AC_OUTPUT(Config/defs.mk Makefile Doc/Makefile Etc/Makefile Src/Makefile \ Test/Makefile Completion/Makefile Functions/Makefile, \ [test -z "$CONFIG_HEADERS" || echo > stamp-h]) dnl The standard config.status is missing some essential features. dnl So add them now. [rm -f $CONFIG_STATUS.old cp $CONFIG_STATUS $CONFIG_STATUS.old sed '1,$s@^\( *ac_file_inputs=\).*$@\1`echo $ac_file_in | sed -e "s%^%:%" -e "s%:\\([^!]\\)% $ac_given_srcdir/\\1%g" -e "s%:!% %"`@' \ $CONFIG_STATUS.old >$CONFIG_STATUS rm -f $CONFIG_STATUS.old] test "$real_no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1 eval "zshbin1=${bindir}" eval "zshbin2=${zshbin1}" eval "zshman=${mandir}" eval "zshinfo=${infodir}" eval "zshfndir=${fndir}" echo " zsh configuration ----------------- zsh version : ${VERSION} host operating system : ${host_cpu}-${host_vendor}-${host_os} source code location : ${srcdir} compiler : ${CC} preprocessor flags : ${CPPFLAGS} 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} installation basename : ${tzsh_name} binary install path : ${zshbin2} man page install path : ${zshman} info install path : ${zshinfo}" if test "$zshfndir" != no; then echo "functions install path : ${zshfndir} installed functions : ${FUNCTIONS_INSTALL} " fi