| 289 | | # first, we need to find the include file <readline.h> |
| 290 | | AC_MSG_NOTICE(checking for components of readline) |
| 291 | | #AC_CHECK_HEADERS(readline/readline.h readline/history.h) |
| 292 | | AC_CACHE_VAL(sc_cv_have_readline_h, |
| 293 | | [AC_TRY_COMPILE([#include <stdio.h> /* FreeBSD needs "FILE *" */ |
| 294 | | #include <readline/readline.h> |
| 295 | | #include <readline/history.h>],[;], |
| 296 | | [sc_cv_have_readline_h=yes; READLINE_ROOT=""; ], |
| 297 | | [sc_cv_have_readline_h=no |
| 298 | | for D in "/sw" "/usr/local" "/opt/freeware" "/usr/sfw"; do |
| 299 | | I="$D/include" |
| 300 | | i="$I/readline/readline.h" |
| 301 | | if test -r "$i"; then |
| 302 | | #V_INCL="$V_INCL -I$I/" |
| 303 | | CPPFLAGS="$CPPFLAGS -I$I" |
| 304 | | AC_MSG_NOTICE(found $i) |
| 305 | | sc_cv_have_readline_h=yes; READLINE_ROOT="$D" |
| 306 | | break; |
| 307 | | fi |
| 308 | | done]) |
| 309 | | ]) |
| 310 | | if test "$sc_cv_have_readline_h" = "yes"; then |
| 311 | | AC_DEFINE(HAVE_READLINE_READLINE_H) |
| 312 | | AC_DEFINE(HAVE_READLINE_HISTORY_H) |
| 313 | | fi |
| 314 | | AC_MSG_NOTICE(checked for readline.h... $sc_cv_have_readline_h) |
| 315 | | fi # end checking for readline.h |
| 316 | | # |
| 317 | | if test -n "$WITH_READLINE" -a "$sc_cv_have_readline_h" = yes; then |
| 318 | | # next, we search for the readline library (libreadline.*) |
| 319 | | AC_MSG_CHECKING(for libreadline) |
| 320 | | AC_CACHE_VAL(sc_cv_have_libreadline, |
| 321 | | [ LIBS0="$LIBS" |
| 322 | | if test -n "$READLINE_ROOT"; then |
| 323 | | L="$READLINE_ROOT/lib"; LIBS="$LIBS0 -L$L -lreadline" |
| 324 | | else |
| 325 | | LIBS="$LIBS0 -lreadline" |
| 326 | | fi |
| 327 | | AC_TRY_LINK([#include <stdio.h> /* FreeBSD needs FILE * */ |
| 328 | | #include <readline/readline.h> |
| 329 | | #include <readline/history.h>], |
| 330 | | [readline(NULL)], |
| 331 | | [sc_cv_have_libreadline='yes'], |
| 332 | | [sc_cv_have_libreadline='no' |
| 333 | | LIBS1="$LIBS" |
| 334 | | LIBS="$LIBS -lcurses" |
| 335 | | AC_TRY_LINK([#include <stdio.h> /* FreeBSD needs FILE * */ |
| 336 | | #include <readline/readline.h> |
| 337 | | #include <readline/history.h>], |
| 338 | | [readline(NULL)], |
| 339 | | [sc_cv_have_libreadline='yes'], |
| 340 | | [sc_cv_have_libreadline='no' |
| 341 | | LIBS="$LIBS1 -lncurses" # eg for SuSE52 |
| 342 | | AC_TRY_LINK([#include <stdio.h> /* FreeBSD needs FILE * */ |
| 343 | | #include <readline/readline.h> |
| 344 | | #include <readline/history.h>], |
| 345 | | [readline(NULL)], |
| 346 | | [sc_cv_have_libreadline='yes'], |
| 347 | | [sc_cv_have_libreadline='no']) |
| 348 | | ])] |
| 349 | | ) |
| 350 | | if test "$sc_cv_have_libreadline" != 'yes'; then |
| 351 | | LIBS="$LIBS0" |
| 352 | | fi |
| 353 | | ] |
| 354 | | #! missing libcurses dependency; missing freeware places |
| 355 | | # # we test if libcurses is available and if it can be used without further libs |
| 356 | | # AC_CHECK_LIB(ncurses, main, , AC_CHECK_LIB(curses, main)) # some Linux work with this |
| 357 | | # # we test if readline can be used without further libs |
| 358 | | # AC_CHECK_LIB(readline, readline) |
| 359 | | # # we see if using_history() is already in $LIBS; if not, we try it with curses |
| 360 | | # AC_CHECK_FUNC(using_history, , AC_CHECK_LIB(history, using_history,,, -lcurses)) |
| 361 | | #fi |
| 362 | | ) |
| 363 | | if test "$sc_cv_have_libreadline" = 'yes'; then |
| 364 | | AC_DEFINE(HAVE_LIBREADLINE) |
| 365 | | fi |
| 366 | | AC_MSG_RESULT($sc_cv_have_libreadline) |
| 367 | | fi |
| 368 | | # |
| 369 | | if test -n "$WITH_READLINE"; then |
| 370 | | if test "$sc_cv_have_readline_h" = "yes" -a "$sc_cv_have_libreadline" = "yes"; then |
| 371 | | AC_DEFINE(WITH_READLINE) |
| 372 | | else |
| 373 | | AC_MSG_WARN([not all components of readline found, disabling it]); |
| | 301 | CPPFLAGS_ORIG=$CPPFLAGS |
| | 302 | CFLAGS_ORIG=$CFLAGS |
| | 303 | LIBS_ORIG=$LIBS |
| | 304 | sc_usable_readline_found= |
| | 305 | |
| | 306 | for D in "" "/usr/local" "/opt/local" "/sw" "/opt/freeware" "/usr/sfw"; do |
| | 307 | if test -n "$D" ; then |
| | 308 | CPPFLAGS="$CPPFLAGS -I$D/include" |
| | 309 | CFLAGS="$CFLAGS -L$D/lib" |
| | 310 | DLOC="in location $D" |
| | 311 | else |
| | 312 | DLOC="in default location" |
| | 313 | fi |
| | 314 | AC_MSG_CHECKING(for usable readline $DLOC) |
| | 315 | |
| | 316 | # Some systems require -lcurses, some require -lncurses. |
| | 317 | # Mac OS X 10.4 (and others) ships with libedit masquerading as readline, |
| | 318 | # but it doesn't work well with socat. It can be recognized by the absence |
| | 319 | # of append_history. |
| | 320 | |
| | 321 | for L in "" "-lcurses" "-lncurses"; do |
| | 322 | LIBS="$LIBS_ORIG -lreadline $L" |
| | 323 | AC_TRY_LINK( |
| | 324 | [ #include <stdio.h> |
| | 325 | #include <readline/readline.h> |
| | 326 | #include <readline/history.h>], |
| | 327 | [ readline(NULL); |
| | 328 | append_history(0, NULL); ], |
| | 329 | [ sc_usable_readline_found=1 |
| | 330 | break ]) |
| | 331 | done |
| | 332 | |
| | 333 | if test -n "$sc_usable_readline_found"; then |
| | 334 | AC_MSG_RESULT(yes) |
| | 335 | AC_DEFINE(HAVE_READLINE_READLINE_H,1) |
| | 336 | AC_DEFINE(HAVE_READLINE_HISTORY_H,1) |
| | 337 | AC_DEFINE(HAVE_LIBREADLINE,1) |
| | 338 | AC_DEFINE(WITH_READLINE,1) |
| | 339 | break |
| | 340 | else |
| | 341 | AC_MSG_RESULT(no) |
| | 342 | CPPFLAGS=$CPPFLAGS_ORIG |
| | 343 | CFLAGS=$CFLAGS_ORIG |
| | 344 | LIBS=$LIBS_ORIG |
| | 345 | fi |
| | 346 | done |
| | 347 | |
| | 348 | if test -z "$sc_usable_readline_found"; then |
| | 349 | AC_MSG_WARN([no suitable version of readline found; perhaps you need to install a newer version]) |
