vim.ftp.fu-berlin.de

home *** CD-ROM | disk | FTP | other *** search

/ vim.ftp.fu-berlin.de / 2015-02-03.vim.ftp.fu-berlin.de.tar / vim.ftp.fu-berlin.de / amiga / vim46src.lha / vim-4.6 / src / configure.in < prev next >

Wrap

Text File | 1997-02-22 | 15.5 KB | 505 lines

dnl autoconf script for Vim on Unix dnl dnl Process this file with autoconf 2.4 to produce a configure script. dnl Gnu m4 1.3 or later is also required dnl AC_INIT(vim.h) AC_CONFIG_HEADER(config.h) AC_DEFINE(UNIX) dnl or do you think configure may run on a non-unix system? AC_PROG_MAKE_SET dnl Checks for programs. AC_PROG_CC dnl required by almost everything AC_PROG_CPP dnl required by header file checks AC_ISC_POSIX dnl required by AC_C_CROSS AC_C_CROSS dnl required by AC_TRY_RUN dnl Set default value for CFLAGS if none is defined or it's empty if test -z "$CFLAGS"; then CFLAGS="-O" test "$GCC" = yes && CFLAGS="-O2 -fno-strength-reduce" fi dnl you might want to remove this, if it causes too much trouble. I like it: dnl -Wmissing-prototypes removed, old versions of GCC don't have it test "$GCC" = yes && CFLAGS="$CFLAGS -Wall -Wshadow" dnl If configure things we are cross compiling, there is probably something dnl wrong with the CC or CFLAGS settings, give an understandable error message if test "$cross_compiling" = yes; then AC_MSG_ERROR([cannot compile a simple program, check CC and CFLAGS]) fi dnl see if the compiler accepts "-Olimit 2000", needed for some systems dnl because Vim uses very big case statements. if test "$GCC" != yes; then AC_MSG_CHECKING(if compiler accepts -Olimit) save_cflags=$CFLAGS CFLAGS="$CFLAGS -Olimit 2000" AC_TRY_LINK(, , AC_MSG_RESULT(yes), AC_MSG_RESULT(no); CFLAGS=$save_cflags) fi dnl gcc-cpp has the wonderful -MM option to produce nicer dependencies test "$GCC" = yes && CPP_MM=M; AC_SUBST(CPP_MM) if test -f ./toolcheck; then AC_CHECKING(for buggy tools) sh ./toolcheck 1>&AC_FD_MSG fi dnl Check user requested features test -z "$with_x" && with_x=yes test "${enable_gui-no}" != no && with_x=yes if test "$with_x" = no; then AC_MSG_RESULT(defaulting to: don't HAVE_X11) else dnl do this header check early, so that its failure can override user dnl requests. AC_PATH_PROG(xmkmfpath, xmkmf) AC_PATH_XTRA dnl On my system the X include dir is found, but the lib dir not. This is a dnl desparate try to fix this. if test -d "$x_includes" && test ! -d "$x_libraries"; then x_libraries=`echo "$x_includes" | sed s/include/lib/` AC_MSG_RESULT(Corrected X libraries to $x_libraries) X_LIBS="$X_LIBS -L$x_libraries" if test "`(uname) 2>/dev/null`" = SunOS && uname -r | grep '^5' >/dev/null; then X_LIBS="$X_LIBS -R $x_libraries" fi fi if test -d "$x_libraries" && test ! -d "$x_includes"; then x_includes=`echo "$x_libraries" | sed s/lib/include/` AC_MSG_RESULT(Corrected X includes to $x_includes) X_CFLAGS="$X_CFLAGS -I$x_includes" fi dnl remove "-I/usr/include " from X_CFLAGS, should not be needed. X_CFLAGS="`echo $X_CFLAGS\ | sed 's%-I/usr/include %%'`" dnl Check if the X11 header files are correctly installed. On some systems dnl Xlib.h includes files that don't exist AC_MSG_CHECKING(if X11 header files can be found) cflags_save=$CFLAGS CFLAGS="$CFLAGS $X_CFLAGS" AC_TRY_COMPILE([#include <X11/Xlib.h>], , AC_MSG_RESULT(yes), AC_MSG_RESULT(no); no_x=yes) CFLAGS=$cflags_save if test "${no_x-no}" = yes; then with_x=no; else AC_DEFINE(HAVE_X11) X_LIB=-lX11; AC_SUBST(X_LIB) fi dnl Some systems need -lnsl -lsocket when testing for ICE. dnl The check above doesn't do this, try here (again) if X_PRE_LIBS is empty dnl and X_EXTRA_LIBS is not empty. Check for other function then above to dnl avoid the cached value if test -z "$X_PRE_LIBS" -a -n "$X_EXTRA_LIBS"; then ac_save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -L$x_libraries" AC_CHECK_LIB(ICE, IceOpenConnection, [X_PRE_LIBS="$X_PRE_LIBS -lSM -lICE"],, [$X_EXTRA_LIBS]) LDFLAGS="$ac_save_LDFLAGS" fi fi test "x$with_x" = xno -a "x$enable_gui" = xyes && enable_gui=no AC_ARG_ENABLE(gui, [ --enable-gui X11-Athena or Motif Graphical User Interface], AC_MSG_RESULT(option GUI: $enableval), AC_MSG_RESULT(defaulting to: don't support GUI)) MOTIF_COMMENT=ZZZ; ATHENA_COMMENT=ZZZ case "$enable_gui" in no | "" ) ;; yes|YES) MOTIF_COMMENT= ; ATHENA_COMMENT= ;; motif|MOTIF) MOTIF_COMMENT= ;; athena|ATHENA) ATHENA_COMMENT= ;; *) AC_MSG_ERROR([Sorry, $enable_gui GUI is not supported.]) ;; esac dnl Check for Motif include files location. dnl The LAST one found is used, this makes the highest version to be used, dnl e.g. when Motif1.2 and Motif2.0 are both present. if test -z "$MOTIF_COMMENT"; then gui_includes="`echo $x_includes|sed 's%/[^/][^/]*$%%'` /local/Motif*/include /local/include/Motif* /usr/local/Motif*/include /usr/local/include/Motif* /usr/include/Motif* /usr/Motif*/include /usr/local/include /usr/local/X11*/include /usr/include /usr/X11*/include /usr/include/X11* /usr/dt/include $GUI_INC_LOC" AC_MSG_CHECKING(for location of Motif GUI includes) GUI_INC_LOC= for try in $gui_includes; do if test -f "$try/Xm/Xm.h"; then GUI_INC_LOC=$try fi done if test -n "$GUI_INC_LOC"; then AC_MSG_RESULT($GUI_INC_LOC) test "$GUI_INC_LOC" = /usr/include && GUI_INC_LOC=. AC_SUBST(GUI_INC_LOC) else AC_MSG_RESULT(<not found>) MOTIF_COMMENT=ZZZ fi fi dnl Check for Motif library files location. dnl The LAST one found is used, this makes the highest version to be used, dnl e.g. when Motif1.2 and Motif2.0 are both present. if test -z "$MOTIF_COMMENT"; then gui_libs="`echo $x_libraries|sed 's%/[^/][^/]*$%%'` `echo "$GUI_INC_LOC" | sed s/include/lib/` /local/Motif*/lib /local/lib/Motif* /usr/local/Motif*/lib /usr/local/lib/Motif* /usr/Motif*/lib /usr/lib/Motif* /usr/local/lib /usr/local/X11*/lib /usr/lib /usr/X11*/lib /usr/lib/X11* /usr/dt/lib $GUI_LIB_LOC" AC_MSG_CHECKING(for location of Motif GUI libs) GUI_LIB_LOC= for try in $gui_libs; do if test -f "$try/libXm.a" -o -f "$try/libXm.so" -o -f "$try/libXm.sl"; then GUI_LIB_LOC=$try if test "`(uname) 2>/dev/null`" = SunOS && uname -r | grep '^5' >/dev/null; then GUI_LIB_LOC="$GUI_LIB_LOC -R $try" fi fi done if test -n "$GUI_LIB_LOC"; then AC_MSG_RESULT($GUI_LIB_LOC) AC_SUBST(GUI_LIB_LOC) else AC_MSG_RESULT(<not found>) MOTIF_COMMENT=ZZZ fi fi if test -z "$MOTIF_COMMENT"; then ATHENA_COMMENT=ZZZ fi AC_SUBST(MOTIF_COMMENT) dnl Check if the Athena files can be found GUI_X_LIBS= if test -z "$ATHENA_COMMENT"; then AC_MSG_CHECKING(if Athena header files can be found) cflags_save=$CFLAGS CFLAGS="$CFLAGS $X_CFLAGS" AC_TRY_COMPILE([ #include <X11/Intrinsic.h> #include <X11/Xaw/Paned.h>], , AC_MSG_RESULT(yes), AC_MSG_RESULT(no); ATHENA_COMMENT=ZZZ ) CFLAGS=$cflags_save fi if test -z "$ATHENA_COMMENT"; then dnl The GUI_INC_LOC and GUI_LIB_LOC must not be empty, use "." (ugly!) if test -z "$GUI_INC_LOC"; then GUI_INC_LOC=. fi AC_SUBST(GUI_INC_LOC) if test -z "$GUI_LIB_LOC"; then GUI_LIB_LOC=. fi AC_SUBST(GUI_LIB_LOC) fi if test -z "$ATHENA_COMMENT" -o -z "$MOTIF_COMMENT"; then dnl Check for -lXext, needed on some systems ldflags_save=$LDFLAGS LDFLAGS="$LDFLAGS $X_LIBS" AC_CHECK_LIB(Xext, XShapeQueryExtension, GUI_X_LIBS="-lXext",, -lX11 $X_EXTRA_LIBS) LDFLAGS=$ldflags_save dnl Execute xmkmf to figure out if -DNARROWPROTO is needed. AC_MSG_CHECKING(for extra X11 defines) NARROW_PROTO= rm -fr conftestdir if mkdir conftestdir; then cd conftestdir cat > Imakefile <<'EOF' acfindx: @echo 'NARROW_PROTO="${PROTO_DEFINES}"' EOF if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then eval `${MAKE-make} acfindx 2>/dev/null | grep -v make` fi cd .. rm -fr conftestdir fi if test -z "$NARROW_PROTO"; then AC_MSG_RESULT(no) else AC_MSG_RESULT($NARROW_PROTO) fi AC_SUBST(NARROW_PROTO) fi AC_SUBST(ATHENA_COMMENT) AC_SUBST(GUI_X_LIBS) dnl Checks for libraries. AC_MSG_CHECKING(for sequent/ptx) AC_EGREP_CPP(yes, [#ifdef _SEQUENT_ yes; #endif ], LIBS="$LIBS -linet" AC_MSG_RESULT(yes), AC_MSG_RESULT(no)) olibs="$LIBS" if test -n "$TERM_LIB"; then LIBS="$LIBS $TERM_LIB" else dnl On HP-UX 10.10 termcap or termlib should be used instead of dnl curses, because curses is much slower. dnl Older versions of ncurses have bugs, avoid it. AC_CHECK_LIB(termcap, tgetent,, AC_CHECK_LIB(termlib, tgetent,, AC_CHECK_LIB(curses, tgetent,, AC_CHECK_LIB(ncurses, tgetent,, )))) fi if test "x$olibs" != "x$LIBS"; then AC_MSG_CHECKING(whether we talk terminfo) AC_TRY_RUN([main() { exit(strcmp(tgoto("%p1%d", 0, 1), "1") ? 0 : 1); }], AC_MSG_RESULT([no -- we are in termcap land]), AC_MSG_RESULT([yes -- terminfo spoken here]); AC_DEFINE(TERMINFO), AC_MSG_ERROR(failed to compile test program.)) fi AC_MSG_CHECKING(quality of toupper) AC_TRY_RUN([#include <ctype.h> main() { exit(toupper('A') == 'A' && tolower('z') == 'z'); }], AC_DEFINE(BROKEN_TOUPPER) AC_MSG_RESULT(bad), AC_MSG_RESULT(good), AC_MSG_ERROR(failed to compile test program)) AC_MSG_CHECKING(whether __DATE__ and __TIME__ work) AC_TRY_COMPILE(, [fprintf("(" __DATE__ " " __TIME__ ")");], AC_MSG_RESULT(yes); AC_DEFINE(HAVE_DATE_TIME), AC_MSG_RESULT(no)) dnl Checks for header files. AC_CHECK_HEADER(elf.h, SVR4=1) dnl AC_CHECK_HEADER(dwarf.h, SVR4=1) if test "$SVR4" = 1; then AC_DEFINE(SVR4) AC_CHECK_LIB(elf, main) fi AC_HEADER_DIRENT dnl check for standard headers, we don't use this in Vim but other stuff dnl in autoconf needs it AC_HEADER_STDC AC_HEADER_SYS_WAIT dnl If sys/wait.h is not found it might still exist but not be POSIX dnl compliant. In that case we define HAVE_UNION_WAIT (for NeXT) if test $ac_cv_header_sys_wait_h = no; then AC_MSG_CHECKING([for sys/wait.h that defines union wait]) AC_TRY_COMPILE([#include <sys/wait.h>], [union wait xx, yy; xx = yy], AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SYS_WAIT_H) AC_DEFINE(HAVE_UNION_WAIT), AC_MSG_RESULT(no)) fi AC_CHECK_HEADERS(stdlib.h string.h sys/select.h sys/utsname.h termcap.h) AC_CHECK_HEADERS(fcntl.h sgtty.h sys/ioctl.h sys/time.h termio.h) AC_CHECK_HEADERS(unistd.h stropts.h errno.h strings.h sys/systeminfo.h locale.h) AC_CHECK_HEADERS(sys/stream.h sys/ptem.h termios.h libc.h sys/statfs.h) AC_CHECK_HEADERS(sys/poll.h pwd.h) dnl Checks for typedefs, structures, and compiler characteristics. AC_C_CONST AC_TYPE_MODE_T AC_TYPE_OFF_T AC_TYPE_PID_T AC_TYPE_SIZE_T AC_TYPE_UID_T AC_HEADER_TIME AC_MSG_CHECKING(whether termcap.h contains ospeed) AC_TRY_LINK([ #ifdef HAVE_TERMCAP_H # include <termcap.h> #endif ], [ospeed = 20000], AC_MSG_RESULT(yes); AC_DEFINE(HAVE_OSPEED), [AC_MSG_RESULT(no) AC_MSG_CHECKING(whether ospeed can be extern) AC_TRY_LINK([ #ifdef HAVE_TERMCAP_H # include <termcap.h> #endif extern short ospeed; ], [ospeed = 20000], AC_MSG_RESULT(yes); AC_DEFINE(OSPEED_EXTERN), AC_MSG_RESULT(no))] ) AC_MSG_CHECKING([whether termcap.h contains UP, BC and PC]) AC_TRY_LINK([ #ifdef HAVE_TERMCAP_H # include <termcap.h> #endif ], [if (UP == 0 && BC == 0) PC = 1], AC_MSG_RESULT(yes); AC_DEFINE(HAVE_UP_BC_PC), [AC_MSG_RESULT(no) AC_MSG_CHECKING([whether UP, BC and PC can be extern]) AC_TRY_LINK([ #ifdef HAVE_TERMCAP_H # include <termcap.h> #endif extern char *UP, *BC, PC; ], [if (UP == 0 && BC == 0) PC = 1], AC_MSG_RESULT(yes); AC_DEFINE(UP_BC_PC_EXTERN), AC_MSG_RESULT(no))] ) AC_MSG_CHECKING(whether tputs() uses outfuntype) AC_TRY_COMPILE([ #ifdef HAVE_TERMCAP_H # include <termcap.h> #endif ], [extern int xx(); tputs("test", 1, (outfuntype)xx)], AC_MSG_RESULT(yes); AC_DEFINE(HAVE_OUTFUNTYPE), AC_MSG_RESULT(no)) dnl On some SCO machines sys/select redefines struct timeval AC_MSG_CHECKING([whether sys/select.h and sys/time.h may both be included]) AC_TRY_COMPILE([ #include <sys/types.h> #include <sys/time.h> #include <sys/select.h>], , AC_MSG_RESULT(yes) AC_DEFINE(SYS_SELECT_WITH_SYS_TIME), AC_MSG_RESULT(no)) dnl AC_DECL_SYS_SIGLIST dnl Checks for library functions. =================================== AC_PROG_GCC_TRADITIONAL AC_TYPE_SIGNAL dnl find out what to use at the end of a signal function if test $ac_cv_type_signal = void; then AC_DEFINE(SIGRETURN, [return]) else AC_DEFINE(SIGRETURN, [return 0]) fi dnl tricky stuff: try to find out if getcwd() is implemented with dnl system("sh -c pwd") AC_MSG_CHECKING(getcwd implementation) AC_TRY_RUN([ char *dagger[] = { "IFS=pwd", 0 }; main() { char buffer[500]; extern char **environ; environ = dagger; return getcwd(buffer, 500) ? 0 : 1; }], AC_MSG_RESULT(it is usable), AC_MSG_RESULT(it stinks) AC_DEFINE(BAD_GETCWD), AC_MSG_ERROR(failed to compile test program)) AC_CHECK_FUNCS(sigset getcwd getwd select strcspn strtol setsid setpgid) AC_CHECK_FUNCS(tgetent memset strerror fchown fsync fchdir lstat) AC_CHECK_FUNCS(setenv putenv gettimeofday getpwuid getpwnam qsort) dnl fstatfs() can take 2 to 4 arguments, try to use st_blksize if possible AC_MSG_CHECKING(for st_blksize) AC_TRY_COMPILE( [#include <sys/types.h> #include <sys/stat.h>], [ struct stat st; int n; stat("/", &st); n = (int)st.st_blksize;], AC_MSG_RESULT(yes); AC_DEFINE(HAVE_ST_BLKSIZE), AC_MSG_RESULT(no)) dnl rename needs to be checked separately to work on Nextstep with cc AC_MSG_CHECKING(for rename) AC_TRY_LINK([#include <stdio.h>], [rename("this", "that")], AC_MSG_RESULT(yes); AC_DEFINE(HAVE_RENAME), AC_MSG_RESULT(no)) dnl this generates a warning, because the macro from autoconf is wrong. dnl just ignore it. AC_CHECK_SIZEOF(int) AC_MSG_CHECKING(whether memmove/bcopy/memcpy handle overlaps) [bcopy_test_prog=' main() { char buf[10]; strcpy(buf, "abcdefghi"); bcopy(buf, buf + 2, 3); if (strncmp(buf, "ababcf", 6)) exit(1); strcpy(buf, "abcdefghi"); bcopy(buf + 2, buf, 3); if (strncmp(buf, "cdedef", 6)) exit(1); exit(0); /* libc version works properly. */ }'] dnl Check for memmove() before bcopy(), makes memmove() be used when both are dnl present, fixes problem with incompatibility between Solaris 2.4 and 2.5. AC_TRY_RUN([#define bcopy(s,d,l) memmove(d,s,l) $bcopy_test_prog], AC_DEFINE(USEMEMMOVE) AC_MSG_RESULT(memmove does), AC_TRY_RUN([$bcopy_test_prog], AC_DEFINE(USEBCOPY) AC_MSG_RESULT(bcopy does), AC_TRY_RUN([#define bcopy(s,d,l) memcpy(d,s,l) $bcopy_test_prog], AC_DEFINE(USEMEMCPY) AC_MSG_RESULT(memcpy does), AC_MSG_RESULT(no), AC_MSG_ERROR(failed to compile test program)), AC_MSG_ERROR(failed to compile test program)), AC_MSG_ERROR(failed to compile test program)) dnl Check how we can run ctags dnl -t for typedefs (many ctags have this) dnl -s for static functions (Elvis ctags only?) dnl -v for variables. Dangerous, most ctags take this for 'vgrind style'. dnl -i+P to test for Darren Hiebert's ctags (no arguments really needed) AC_MSG_CHECKING(how to create tags) test -f tags && mv tags tags.save (eval etags /dev/null) < /dev/null 1>&AC_FD_CC 2>&1 && CTAGS="etags" (eval etags -c /dev/null) < /dev/null 1>&AC_FD_CC 2>&1 && CTAGS="etags -c" (eval ctags /dev/null) < /dev/null 1>&AC_FD_CC 2>&1 && CTAGS="ctags" (eval ctags -t /dev/null) < /dev/null 1>&AC_FD_CC 2>&1 && CTAGS="ctags -t" (eval ctags -ts /dev/null) < /dev/null 1>&AC_FD_CC 2>&1 && CTAGS="ctags -ts" (eval ctags -tvs /dev/null) < /dev/null 1>&AC_FD_CC 2>&1 && CTAGS="ctags -tvs" (eval ctags -i+P /dev/null) < /dev/null 1>&AC_FD_CC 2>&1 && CTAGS="ctags -i+P" test -f tags.save && mv tags.save tags AC_MSG_RESULT($CTAGS) AC_SUBST(CTAGS) dnl Check if PREFIX/share exists dnl unfortunately prefix may not be set here yet AC_MSG_CHECKING(for default location to put help files) if test "x$prefix" = xNONE; then tt=$ac_default_prefix else tt=$prefix fi if test -d "$tt""/share"; then HELPDIR="/share" else HELPDIR="/lib" fi AC_MSG_RESULT("$tt""$HELPDIR") AC_SUBST(HELPDIR) dnl write output files AC_OUTPUT(config.mk)