X-Git-Url: https://git.hcoop.net/bpt/emacs.git/blobdiff_plain/efd60266f5c1719715230627d61339a6e40ef442..a5f48305f15e30fd99159b15a551f98ed446c030:/configure.in diff --git a/configure.in b/configure.in index a4eb85b220..519f826f27 100644 --- a/configure.in +++ b/configure.in @@ -3,7 +3,7 @@ dnl To rebuild the `configure' script from this, execute the command dnl autoconf dnl in the directory containing this script. dnl -dnl Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2003 +dnl Copyright (C) 1994, 95, 96, 1999, 2000, 01, 02, 03, 2004 dnl Free Software Foundation, Inc. dnl dnl This file is part of GNU Emacs. @@ -125,6 +125,18 @@ AC_ARG_ENABLE(carbon-app, specify install directory for Emacs.app on Mac OS X]], [ carbon_appdir_x=${enableval}]) +AC_ARG_ENABLE(maintainer-mode, +[ --enable-maintainer-mode enable make rules and dependencies not useful + (and sometimes confusing) to the casual installer], + USE_MAINTAINER_MODE=$enableval, + USE_MAINTAINER_MODE=no) +if test $USE_MAINTAINER_MODE = yes; then + MAINT= +else + MAINT=# +fi +AC_SUBST(MAINT) + #### Make srcdir absolute, if it isn't already. It's important to #### avoid running the path through pwd unnecessarily, since pwd can #### give you automounter prefixes, which can go away. We do all this @@ -158,15 +170,6 @@ if test `pwd` != `(cd ${srcdir} && pwd)` \ use GNU make. If you do not have GNU make, then you must now do `make distclean' in ${srcdir}, and then run $0 again.]]) - -[extrasub='/^VPATH[ ]*=/c\ -vpath %.c $(srcdir)\ -vpath %.h $(srcdir)\ -vpath %.y $(srcdir)\ -vpath %.l $(srcdir)\ -vpath %.s $(srcdir)\ -vpath %.in $(srcdir)\ -vpath %.texi $(srcdir)'] fi #### Given the configuration name, set machfile and opsysfile to the @@ -182,6 +185,10 @@ dnl This used to use changequote, but, apart from `changequote is evil' dnl per the autoconf manual, we can speed up autoconf somewhat by quoting dnl the great gob of text. Thus it's not processed for possible expansion. dnl Just make sure the brackets remain balanced. +dnl +dnl Since Emacs can't find matching pairs of quotes, boundaries are +dnl indicated by comments. +dnl quotation begins [ ### If you add support for a new configuration, add code to this @@ -222,6 +229,12 @@ case "${canonical}" in ## NetBSD ports *-*-netbsd* ) opsys=netbsd + if test -f /usr/lib/crti.o; then] +dnl The close and open brackets here are because this section is quoted -- +dnl see the `changequote' comment above. + AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.]) +[ fi + case "${canonical}" in alpha*-*-netbsd*) machine=alpha ;; i[3456]86-*-netbsd*) machine=intel386 ;; @@ -1112,7 +1125,13 @@ case "${canonical}" in powerpc-apple-darwin* ) machine=powermac opsys=darwin # Define CPP as follows to make autoconf work correctly. - CPP="cc -E -traditional-cpp" + CPP="${CC-cc} -E -no-cpp-precomp" + # Use fink packages if available. + if test -d /sw/include && test -d /sw/lib; then + GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib" + CPP="${CPP} ${GCC_TEST_OPTIONS}" + NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS} + fi ;; ## AMD x86-64 Linux-based GNU system @@ -1164,6 +1183,7 @@ if test x"${opsys}" = x; then fi ] +dnl quotation ends if test $unported = yes; then AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems. @@ -1244,9 +1264,29 @@ then ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS" fi +dnl We need -znocombreloc if we're using a relatively recent GNU ld. +dnl If we can link with the flag, it shouldn't do any harm anyhow. +dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.) +dnl Treat GCC specially since it just gives a non-fatal `unrecognized option' +dnl if not built to support GNU ld. + +late_LDFLAGS=$LDFLAGS +if test "$GCC" = yes; then + LDFLAGS="$LDFLAGS -Wl,-znocombreloc" +else + LDFLAGS="$LDFLAGS -znocombreloc" +fi + +AC_MSG_CHECKING([For -znocombreloc]) +AC_LINK_IFELSE([main(){return 0;}], + [AC_MSG_RESULT(yes)], + LDFLAGS=$late_LDFLAGS + [AC_MSG_RESULT(no)]) + dnl checks for Unix variants AC_AIX + #### Extract some information from the operating system and machine files. AC_CHECKING([the machine- and system-dependent files to find out @@ -1409,7 +1449,7 @@ dnl checks for header files AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \ linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \ termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \ - sys/param.h sys/vlimit.h sys/resource.h) + sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h) dnl On Solaris 8 there's a compilation warning for term.h because dnl it doesn't define `bool'. AC_CHECK_HEADERS(term.h, , , -) @@ -1484,6 +1524,12 @@ if test $emacs_cv_struct_exception != yes; then AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.]) fi +AC_CHECK_HEADERS(sys/socket.h) +AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT +#if HAVE_SYS_SOCKET_H +#include +#endif]) + dnl checks for structure members AC_STRUCT_TM AC_STRUCT_TIMEZONE @@ -1491,6 +1537,16 @@ AC_CHECK_MEMBER(struct tm.tm_gmtoff, [AC_DEFINE(HAVE_TM_GMTOFF, 1, [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],, [#include ]) +AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr, + struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr, + struct ifreq.ifr_addr], , , + [AC_INCLUDES_DEFAULT +#if HAVE_SYS_SOCKET_H +#include +#endif +#if HAVE_NET_IF_H +#include +#endif]) dnl checks for compiler characteristics @@ -1516,6 +1572,53 @@ AH_TEMPLATE(POINTER_TYPE, [Define as `void' if your compiler accepts `void *'; otherwise define as `char'.])dnl +dnl Test if heap start address is randomized (exec-shield does this). +dnl The test program requires unistd.h and stdlib.h. They are present +dnl on the systems that currently have exec-shield. +AC_MSG_CHECKING(whether heap start address is randomized) +if test x"$ac_cv_header_unistd_h" != x && test x"$ac_cv_header_stdlib_h" != x +then + AC_TRY_RUN([#include +#include +#include +int main (int argc, char *argv[]) +{ + unsigned long old_sbrk = 0; + unsigned long this_sbrk = (unsigned long) sbrk(0); + int nr = 1; + if (argc != 1) { + old_sbrk = strtoul (argv[1], 0, 0); + nr = atoi (argv[2])+1; + } + if (argc == 1 || (old_sbrk == this_sbrk && nr < 3)) + { + char buf1[32], buf2[32]; + sprintf (buf1, "%lu", this_sbrk); + sprintf (buf2, "%d", nr); + execl (argv[0], argv[0], buf1, buf2, 0); + exit (-1); + } + exit (this_sbrk == old_sbrk); +}], emacs_cv_randomheap=yes, emacs_cv_randomheap=no, + emacs_cv_randomheap='assuming no') +else + emacs_cv_randomheap='assuming no' +fi +AC_MSG_RESULT($emacs_cv_randomheap) + +if test "$emacs_cv_randomheap" = yes; then + AC_PATH_PROG(SETARCH, setarch, no) + AC_SUBST(SETARCH) + if test "$SETARCH" != no && test "$machine" = "intel386"; then + AC_DEFINE(HAVE_RANDOM_HEAPSTART, 1, + [Define to 1 if this OS randomizes the start address of the heap.]) + else + dnl We do the warning at the end of the configure run so it is seen. + emacs_cv_randomheap=warn + fi +fi + + dnl This could be used for targets which can have both byte sexes. dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally. dnl AC_C_BIGENDIAN @@ -1819,7 +1922,7 @@ dnl This function defintion taken from Gnome 2.0 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not) dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page dnl also defines GSTUFF_PKG_ERRORS on error -AC_DEFUN(PKG_CHECK_MODULES, [ +AC_DEFUN([PKG_CHECK_MODULES], [ succeeded=no if test -z "$PKG_CONFIG"; then @@ -1867,7 +1970,7 @@ AC_DEFUN(PKG_CHECK_MODULES, [ if test $succeeded = yes; then ifelse([$3], , :, [$3]) else - ifelse([$4], , AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.]), [$4]) + ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4]) fi ]) @@ -1889,13 +1992,24 @@ if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "gtk"; then AC_SUBST(GTK_CFLAGS) AC_SUBST(GTK_LIBS) C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS" + CFLAGS="$CFLAGS $GTK_CFLAGS" + LIBS="$GTK_LIBS $LIBS" HAVE_GTK=yes AC_DEFINE(HAVE_GTK, 1, [Define to 1 if using GTK.]) USE_X_TOOLKIT=none - dnl GTK scrollbars resembles toolkit scrollbars alot, so to avoid + dnl GTK scrollbars resemble toolkit scrollbars a lot, so to avoid dnl a lot if #ifdef:s, say we have toolkit scrollbars. with_toolkit_scroll_bars=yes + + dnl Check if we can use multiple displays with this GTK version. + dnl If gdk_display_open exists, assume all others are there also. + HAVE_GTK_MULTIDISPLAY=no + AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes) + if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then + AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1, + [Define to 1 if GTK can handle more than one display.]) + fi fi dnl Do not put whitespace before the #include statements below. @@ -2043,13 +2157,56 @@ if test "${with_toolkit_scroll_bars}" != "no"; then fi fi -dnl Don't use X11 input methods if user specifies he doesn't want it -dnl with `--with-xim=no'. +dnl See if XIM is available. +AC_TRY_COMPILE([ + #include + #include ], + [XIMProc callback;], + HAVE_XIM=yes + AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available]), + HAVE_XIM=no) + +dnl `--with-xim' now controls only the initial value of use_xim at run time. if test "${with_xim}" != "no"; then AC_DEFINE(USE_XIM, 1, [Define to 1 if we should use XIM, if it is available.]) fi + + +if test "${HAVE_XIM}" != "no"; then + late_CFLAGS=$CFLAGS + if test "$GCC" = yes; then + CFLAGS="$CFLAGS --pedantic-errors" + fi + AC_TRY_COMPILE([ +#include +#include ], +[Display *display; +XrmDatabase db; +char *res_name; +char *res_class; +XIMProc callback; +XPointer *client_data; +#ifndef __GNUC__ +/* If we're not using GCC, it's probably not XFree86, and this is + probably right, but we can't use something like --pedantic-errors. */ +extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*, + char*, XIMProc, XPointer*); +#endif +(void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback, + client_data);], + [emacs_cv_arg6_star=yes]) + AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6, + [Define to the type of the 6th arg of XRegisterIMInstantiateCallback, +either XPointer or XPointer*.])dnl + if test "$emacs_cv_arg6_star" = yes; then + AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*]) + else + AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer]) + fi + CFLAGS=$late_CFLAGS +fi ### Use -lXpm if available, unless `--with-xpm=no'. HAVE_XPM=no @@ -2106,8 +2263,12 @@ fi HAVE_PNG=no if test "${HAVE_X11}" = "yes"; then if test "${with_png}" != "no"; then - AC_CHECK_HEADER(png.h, - AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)) + # Debian unstable as of July 2003 has multiple libpngs, and puts png.h + # in /usr/include/libpng. + AC_CHECK_HEADERS(png.h libpng/png.h) + if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then + AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm) + fi fi if test "${HAVE_PNG}" = "yes"; then @@ -2152,6 +2313,9 @@ if test "${with_carbon}" != "no"; then AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes) fi +dnl Check for malloc/malloc.h on darwin +AC_CHECK_HEADER(malloc/malloc.h, AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the header file.])) + if test "${HAVE_CARBON}" = "yes"; then AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.]) window_system=mac @@ -2171,7 +2335,7 @@ fi HAVE_X_SM=no if test "${HAVE_X11}" = "yes"; then AC_CHECK_HEADER(X11/SM/SMlib.h, - AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, -lICE)) + AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)) if test "${HAVE_X_SM}" = "yes"; then AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).]) @@ -2225,11 +2389,11 @@ AC_CHECK_FUNCS(gethostname getdomainname dup2 \ rename closedir mkdir rmdir sysinfo \ random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \ strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \ -utimes setrlimit setpgid getcwd getwd shutdown strftime getaddrinfo \ +utimes setrlimit setpgid getcwd getwd shutdown getaddrinfo \ __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \ sendto recvfrom getsockopt setsockopt getsockname getpeername \ gai_strerror mkstemp getline getdelim mremap memmove fsync bzero \ -memset memcmp memmove difftime) +memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign) AC_CHECK_HEADERS(sys/un.h) @@ -2244,6 +2408,8 @@ AC_FUNC_FSEEKO AC_FUNC_GETPGRP +AC_FUNC_STRFTIME + # UNIX98 PTYs. AC_CHECK_FUNCS(grantpt) @@ -2378,6 +2544,9 @@ if test "x$HAVE_TIMEVAL" = xyes; then fi fi +# This defines (or not) HAVE_TZNAME and HAVE_TM_ZONE. +AC_STRUCT_TIMEZONE + dnl Note that AC_STRUCT_TIMEZONE doesn't do what you might expect. if test "$ac_cv_func_gettimeofday" = yes; then AC_CACHE_CHECK([for struct timezone], emacs_cv_struct_timezone, @@ -2421,6 +2590,8 @@ dnl Fixme: Not used. Should this be HAVE_SOCKETS? [Define to 1 if you have inet sockets.]) fi +AC_CHECK_HEADERS(sys/ioctl.h) + if test -f /usr/lpp/X11/bin/smt.exp; then AC_DEFINE(HAVE_AIX_SMT_EXP, 1, [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.]) @@ -2450,6 +2621,8 @@ fi AC_CHECK_TYPES(size_t) +AC_TYPE_MBSTATE_T + dnl Restrict could probably be used effectively other than in regex.c. AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict, [AC_TRY_COMPILE([void fred (int *restrict x);], [], @@ -2477,9 +2650,6 @@ if test "$emacs_cv_c_restrict_arr" = yes; then declarations. Define as empty for no equivalent.]) fi -AC_CHECK_HEADERS(nlist.h, [AC_DEFINE(NLIST_STRUCT, 1, - [Define to 1 if you have .])]) - dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear dnl how the tty code is related to POSIX and/or other versions of termios. dnl The following looks like a useful start. @@ -2656,6 +2826,9 @@ AH_BOTTOM([ /* Turned on June 1996 supposing nobody will mind it. */ #define AMPERSAND_FULL_NAME +/* We have blockinput.h. */ +#define DO_BLOCK_INPUT + /* Define HAVE_SOUND if we have sound support. We know it works and compiles only on the specified platforms. For others, it probably doesn't make sense to try. */ @@ -2732,6 +2905,8 @@ AH_BOTTOM([ #define mktime emacs_mktime #endif +#define my_strftime nstrftime /* for strftime.c */ + /* The rest of the code currently tests the CPP symbol BSTRING. Override any claims made by the system-description files. Note that on some SCO version it is possible to have bcopy and not bcmp. */ @@ -2914,6 +3089,19 @@ echo " Does Emacs use -lpng? ${HAVE_PNG}" echo " Does Emacs use X toolkit scroll bars? ${USE_TOOLKIT_SCROLL_BARS}" echo +if test "$emacs_cv_randomheap" = warn; then + AC_MSG_WARN([ +********************************************************************** + +Heap start address is randomized and no workaround is known. +Emacs will probably dump core when temacs is run in the build phase. +Maybe exec-shield is turned on. Read about exec-shield in `etc/PROBLEMS' +for further information. + +********************************************************************** +]) +fi + # Remove any trailing slashes in these variables. [test "${prefix}" != NONE && prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'` @@ -3006,3 +3194,6 @@ touch src/config.stamp ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"]) +m4_if(dnl Do not change this comment + arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e +)dnl