1 dnl***************************************************************************
2 dnl Copyright 2018-2022,2023 Thomas E. Dickey *
3 dnl Copyright 2010-2016,2018 Free Software Foundation, Inc. *
5 dnl Permission is hereby granted, free of charge, to any person obtaining a *
6 dnl copy of this software and associated documentation files (the *
7 dnl "Software"), to deal in the Software without restriction, including *
8 dnl without limitation the rights to use, copy, modify, merge, publish, *
9 dnl distribute, distribute with modifications, sublicense, and/or sell *
10 dnl copies of the Software, and to permit persons to whom the Software is *
11 dnl furnished to do so, subject to the following conditions: *
13 dnl The above copyright notice and this permission notice shall be included *
14 dnl in all copies or substantial portions of the Software. *
16 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
20 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
21 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
22 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
24 dnl Except as contained in this notice, the name(s) of the above copyright *
25 dnl holders shall not be used in advertising or otherwise to promote the *
26 dnl sale, use or other dealings in this Software without prior written *
28 dnl***************************************************************************
30 dnl Author: Thomas E. Dickey
32 dnl $Id: configure.in,v 1.91 2023/02/18 23:21:29 tom Exp $
33 dnl Process this file with autoconf to produce a configure script.
35 dnl For additional information, see
36 dnl https://invisible-island.net/autoconf/
37 dnl https://invisible-island.net/autoconf/my-autoconf.html
39 dnl ---------------------------------------------------------------------------
40 AC_PREREQ(2.52.20210509)
41 AC_REVISION($Revision: 1.91 $)
43 AC_CONFIG_HEADER(include/ncurses_cfg.h:include/ncurses_cfg.hin)
45 AC_DEFUN([AC_PATH_XTRA],[])dnl ignore dependencies on this
47 PACKAGE="AdaCurses" AC_SUBST(PACKAGE)
51 CF_HELP_MESSAGE(General Options:)
55 ### Save the given $CFLAGS to allow user-override.
56 cf_user_CFLAGS="$CFLAGS"
58 ### Default install-location
61 ### Checks for programs.
62 CF_PROG_CC(gnatgcc gcc cc)
64 AC_PROG_GCC_TRADITIONAL
65 CF_PROG_CC_C_O(CC,[$CFLAGS $CPPFLAGS])
77 AC_SYS_LONG_FILE_NAMES
79 # if we find pkg-config, check if we should install the ".pc" files.
81 CF_WITH_PKG_CONFIG_LIBDIR
83 AC_MSG_CHECKING(if you want to build test-programs)
85 [ --without-tests suppress build with test-programs],
86 [cf_with_tests=$withval],
88 AC_MSG_RESULT($cf_with_tests)
90 AC_MSG_CHECKING(if we should assume mixed-case filenames)
91 AC_ARG_ENABLE(mixed-case,
92 [ --enable-mixed-case tic should assume mixed-case filenames],
93 [enable_mixedcase=$enableval],
94 [enable_mixedcase=auto])
95 AC_MSG_RESULT($enable_mixedcase)
96 if test "$enable_mixedcase" = "auto" ; then
97 CF_MIXEDCASE_FILENAMES
99 cf_cv_mixedcase=$enable_mixedcase
100 if test "$enable_mixedcase" = "yes" ; then
101 AC_DEFINE(MIXEDCASE_FILENAMES)
105 # do this after mixed-case option (tags/TAGS is not as important as tic).
111 dnl These are standard among *NIX systems, but not when cross-compiling
112 AC_CHECK_TOOL(RANLIB, ranlib, ':')
113 AC_CHECK_TOOL(LD, ld, ld)
114 AC_CHECK_TOOL(AR, ar, ar)
118 dnl Special option for use by system-builders: the install-prefix is used to
119 dnl adjust the location into which the actual install is done, so that an
120 dnl archive can be built without modifying the host system's configuration.
121 AC_MSG_CHECKING(if you have specified an install-prefix)
122 AC_ARG_WITH(install-prefix,
123 [ --with-install-prefix prefixes actual install-location ($DESTDIR)],
127 (*) DESTDIR="$withval"
130 AC_MSG_RESULT($DESTDIR)
133 ###############################################################################
134 CF_HELP_MESSAGE(Build-Tools Needed to Compile Temporary Applications for Cross-compiling:)
135 # If we're cross-compiling, allow the user to override the tools and their
136 # options. The configure script is oriented toward identifying the host
137 # compiler, etc., but we need a build compiler to generate parts of the source.
140 ###############################################################################
141 CF_HELP_MESSAGE(Options to Specify the Libraries Built/Used:)
143 ### Options to allow the user to specify the set of libraries which are used.
144 ### Use "--without-normal --with-shared" to allow the default model to be
145 ### shared, for example.
148 AC_MSG_CHECKING(if you want to build shared C-objects)
150 [ --with-shared generate shared C-objects (needed for --with-ada-sharedlib)],
151 [with_shared=$withval],
153 AC_MSG_RESULT($with_shared)
154 test "$with_shared" = "yes" && cf_list_models="$cf_list_models shared"
156 AC_MSG_CHECKING(for specified models)
157 test -z "$cf_list_models" && cf_list_models=normal
158 AC_MSG_RESULT($cf_list_models)
160 ### Use the first model as the default, and save its suffix for use in building
161 ### up test-applications.
162 AC_MSG_CHECKING(for default model)
163 DFT_LWR_MODEL=`echo "$cf_list_models" | $AWK '{print $1}'`
164 AC_MSG_RESULT($DFT_LWR_MODEL)
166 CF_UPPER(DFT_UPR_MODEL,$DFT_LWR_MODEL)dnl
168 AC_SUBST(DFT_LWR_MODEL)dnl the default model ("normal")
169 AC_SUBST(DFT_UPR_MODEL)dnl the default model ("NORMAL")
173 CF_WITH_LIB_PREFIX(cf_prefix)
178 ###############################################################################
180 dnl Not all ports of gcc support the -g option
182 if test X"$CC_G_OPT" = X"" ; then
184 test -n "$GCC" && test "${ac_cv_prog_cc_g}" != yes && CC_G_OPT=''
188 AC_MSG_CHECKING(for default loader flags)
189 case $DFT_LWR_MODEL in
190 (normal) LD_MODEL='' ;;
191 (debug) LD_MODEL=$CC_G_OPT ;;
192 (profile) LD_MODEL='-pg';;
193 (shared) LD_MODEL='' ;;
195 AC_SUBST(LD_MODEL)dnl the type of link (e.g., -g or -pg)
196 AC_MSG_RESULT($LD_MODEL)
200 # The test/sample programs in the original tree link using rpath option.
201 # Make it optional for packagers.
202 if test -n "$LOCAL_LDFLAGS"
204 AC_MSG_CHECKING(if you want to link sample programs with rpath option)
205 AC_ARG_ENABLE(rpath-link,
206 [ --enable-rpath-link link sample programs with rpath option],
207 [with_rpath_link=$enableval],
208 [with_rpath_link=yes])
209 AC_MSG_RESULT($with_rpath_link)
210 if test "$with_rpath_link" = no
217 ###############################################################################
218 CF_HELP_MESSAGE(Fine-Tuning Your Configuration:)
220 ### use option --enable-broken-linker to force on use of broken-linker support
221 CF_ENABLE_BROKEN_LINKER
223 # Check to define _XOPEN_SOURCE "automatically"
229 ### Enable compiling-in rcs id's
230 AC_MSG_CHECKING(if RCS identifiers should be compiled-in)
232 [ --with-rcs-ids compile-in RCS identifiers],
233 [with_rcs_ids=$withval],
235 AC_MSG_RESULT($with_rcs_ids)
236 test "$with_rcs_ids" = yes && AC_DEFINE(USE_RCS_IDS,1,[Define to 1 if RCS identifiers should be compiled-in)])
238 ###############################################################################
239 CF_HELP_MESSAGE(Extensions:)
241 ### Note that some functions (such as const) are normally disabled anyway.
242 AC_MSG_CHECKING(if you want to build with function extensions)
243 AC_ARG_ENABLE(ext-funcs,
244 [ --disable-ext-funcs disable function-extensions],
245 [with_ext_funcs=$enableval],
246 [with_ext_funcs=yes])
247 AC_MSG_RESULT($with_ext_funcs)
248 if test "$with_ext_funcs" = yes ; then
250 AC_DEFINE(HAVE_USE_DEFAULT_COLORS,1,[Define to 1 if we have use_default_colors function])
251 AC_DEFINE(NCURSES_EXT_FUNCS,1,[Define to 1 if we have ncurses extended functions])
255 AC_SUBST(NCURSES_EXT_FUNCS)
257 ### use option --enable-const to turn on use of const beyond that in XSI.
258 AC_MSG_CHECKING(for extended use of const keyword)
260 [ --enable-const compile with extra/non-standard const],
261 [with_ext_const=$enableval],
263 AC_MSG_RESULT($with_ext_const)
264 NCURSES_CONST='/*nothing*/'
265 if test "$with_ext_const" = yes ; then
268 AC_SUBST(NCURSES_CONST)
270 ###############################################################################
271 # These options are relatively safe to experiment with.
272 CF_HELP_MESSAGE(Development Code:)
273 AC_MSG_CHECKING(if you want all development code)
275 [ --without-develop disable development options],
276 [with_develop=$withval],
278 AC_MSG_RESULT($with_develop)
280 ###############################################################################
281 # These are just experimental, probably should not be in a package:
282 CF_HELP_MESSAGE(Experimental Code:)
284 # This is still experimental (20080329), but should ultimately be moved to
285 # the script-block --with-normal, etc.
288 AC_MSG_CHECKING(if you want to use weak-symbols for pthreads)
289 AC_ARG_ENABLE(weak-symbols,
290 [ --enable-weak-symbols enable weak-symbols for pthreads],
291 [use_weak_symbols=$withval],
292 [use_weak_symbols=no])
293 AC_MSG_RESULT($use_weak_symbols)
294 if test "$use_weak_symbols" = yes ; then
297 cf_cv_weak_symbols=no
300 if test $cf_cv_weak_symbols = yes ; then
301 AC_DEFINE(USE_WEAK_SYMBOLS,1,[Define to 1 to enable weak-symbols for pthreads])
305 if test "$with_pthread" = "yes" ; then
306 AC_DEFINE(USE_PTHREADS,1,[Define to 1 to use the pthreads library])
308 if test $cf_cv_weak_symbols = yes ; then
314 # OpenSUSE is installing ncurses6, using reentrant option.
315 AC_CHECK_FUNC(_nc_TABSIZE,[assume_reentrant=yes], [assume_reentrant=no])
317 # Reentrant code has to be opaque; there's little advantage to making ncurses
318 # opaque outside of that, so there is no --enable-opaque option. We can use
319 # this option without --with-pthreads, but this will be always set for
321 AC_MSG_CHECKING(if you want experimental reentrant code)
322 AC_ARG_ENABLE(reentrant,
323 [ --enable-reentrant compile with experimental reentrant code],
324 [with_reentrant=$enableval],
325 [with_reentrant=$assume_reentrant])
326 AC_MSG_RESULT($with_reentrant)
327 if test "$with_reentrant" = yes ; then
328 cf_cv_enable_reentrant=1
329 if test $cf_cv_weak_symbols = yes ; then
330 CF_REMOVE_LIB(LIBS,$LIBS,pthread)
331 elif test "$assume_reentrant" = no ; then
332 LIB_SUFFIX="t${LIB_SUFFIX}"
334 AC_DEFINE(USE_REENTRANT,1,[Define to 1 to compile with experimental reentrant code])
336 cf_cv_enable_reentrant=0
338 AC_SUBST(cf_cv_enable_reentrant)
340 ### Allow using a different wrap-prefix
341 if test "$cf_cv_enable_reentrant" != 0 || test "$BROKEN_LINKER" = 1 ; then
342 AC_MSG_CHECKING(for prefix used to wrap public variables)
343 AC_ARG_WITH(wrap-prefix,
344 [ --with-wrap-prefix=XXX override prefix used for public variables],
345 [NCURSES_WRAP_PREFIX=$withval],
346 [NCURSES_WRAP_PREFIX=_nc_])
347 AC_MSG_RESULT($NCURSES_WRAP_PREFIX)
349 NCURSES_WRAP_PREFIX=_nc_
351 AC_SUBST(NCURSES_WRAP_PREFIX)
352 AC_DEFINE_UNQUOTED(NCURSES_WRAP_PREFIX,"$NCURSES_WRAP_PREFIX",[Define to override _nc_ ncurses internal prefix])
354 ###############################################################################
355 CF_HELP_MESSAGE(Testing/development Options:)
357 ### use option --disable-echo to suppress full display compiling commands
360 CF_ENABLE_WARNINGS(Wno-unknown-pragmas Wswitch-enum,yes)
361 if test "x$enable_warnings" = "xyes"; then
362 CF_ADD_ADAFLAGS(-gnatwa -gnatyg)
365 ### use option --enable-assertions to turn on generation of assertion code
366 AC_MSG_CHECKING(if you want to enable runtime assertions)
367 AC_ARG_ENABLE(assertions,
368 [ --enable-assertions test: turn on generation of assertion code],
369 [with_assertions=$enableval],
370 [with_assertions=no])
371 AC_MSG_RESULT($with_assertions)
374 if test "$with_assertions" = no
376 CPPFLAGS="$CPPFLAGS -DNDEBUG"
378 CF_ADD_ADAFLAGS(-gnata)
382 ### use option --disable-leaks to suppress "permanent" leaks, for testing
383 AC_DEFINE(HAVE_NC_ALLOC_H,1,[Define to 1 if we have nc_alloc.h header])
385 ### use option --enable-expanded to generate certain macros as functions
386 AC_ARG_ENABLE(expanded,
387 [ --enable-expanded test: generate functions for certain macros],
388 [test "$enableval" = yes && AC_DEFINE(NCURSES_EXPANDED,1,[Define to 1 if ncurses macros should be expanded as functions])])
390 ### use option --disable-macros to suppress macros in favor of functions
391 AC_ARG_ENABLE(macros,
392 [ --disable-macros test: use functions rather than macros],
393 [test "$enableval" = no && AC_DEFINE(NCURSES_NOMACROS,1,[Define to 1 if ncurses macros should be expanded as functions])])
395 # Normally we only add trace() to the debug-library. Allow this to be
396 # extended to all models of the ncurses library:
398 case "$CFLAGS $CPPFLAGS" in
404 AC_MSG_CHECKING(whether to add trace feature to all models)
406 [ --with-trace test: add trace() function to all models of ncurses],
407 [cf_with_trace=$withval],
408 [cf_with_trace=$cf_all_traces])
409 AC_MSG_RESULT($cf_with_trace)
411 if test "$cf_with_trace" = yes ; then
413 CF_ADD_CFLAGS(-DTRACE)
420 CF_DISABLE_GNAT_PROJECTS
422 ### Checks for libraries.
423 case $cf_cv_system_name in
432 ### Checks for header files.
433 AC_CHECK_SIZEOF([signed char])
437 ### checks for compiler characteristics
441 ### Checks for external-data
444 ### Checks for library functions.
447 dnl We'll do our own -g libraries, unless the user's overridden via $CFLAGS
448 if test -z "$cf_user_CFLAGS" && test "$with_no_leaks" = no ; then
449 CF_STRIP_G_OPT(CFLAGS)
450 CF_STRIP_G_OPT(CXXFLAGS)
453 CF_HELP_MESSAGE(Ada95 Binding Options:)
455 dnl Check for availability of GNU Ada Translator (GNAT).
456 dnl At the moment we support no other Ada95 compiler.
457 if test "$cf_with_ada" != "no" ; then
459 if test "$cf_cv_prog_gnat_correct" = yes; then
470 cf_ada_package=terminal_interface
471 AC_SUBST(cf_ada_package)
475 CF_WITH_ADA_SHAREDLIB
477 # allow the Ada binding to be renamed
478 CF_WITH_ADA_LIBNAME(AdaCurses)
480 AC_MSG_ERROR(No usable Ada compiler found)
483 AC_MSG_ERROR(The Ada compiler is needed for this package)
486 ################################################################################
490 AC_SUBST(TINFO_LDFLAGS2)
494 ### Construct the list of include-directories to be generated
498 ### Build up pieces for makefile rules
499 AC_MSG_CHECKING(default library suffix)
500 CF_LIB_TYPE($DFT_LWR_MODEL,DFT_ARG_SUFFIX)dnl
501 AC_SUBST(DFT_ARG_SUFFIX)dnl the string to append to "-lncurses" ("")
502 AC_MSG_RESULT($DFT_ARG_SUFFIX)
504 AC_MSG_CHECKING(default library-dependency suffix)
505 CF_LIB_SUFFIX($DFT_LWR_MODEL,DFT_LIB_SUFFIX,DFT_DEP_SUFFIX)dnl
506 AC_SUBST(DFT_DEP_SUFFIX)dnl the corresponding library-suffix (".a")
507 AC_MSG_RESULT($DFT_DEP_SUFFIX)
509 AC_MSG_CHECKING(default object directory)
510 CF_OBJ_SUBDIR($DFT_LWR_MODEL,DFT_OBJ_SUBDIR)dnl
511 AC_SUBST(DFT_OBJ_SUBDIR)dnl the default object-directory ("obj")
512 AC_MSG_RESULT($DFT_OBJ_SUBDIR)
514 ### Set up low-level terminfo dependencies for makefiles.
516 if test "$DFT_LWR_MODEL" = shared ; then
517 case $cf_cv_system_name in
519 # "lib" files have ".dll.a" suffix, "cyg" files have ".dll"
522 # "lib" files have ".dll.a" suffix, "msys-" files have ".dll"
527 USE_ARG_SUFFIX=${DFT_ARG_SUFFIX}
528 AC_SUBST(USE_ARG_SUFFIX)
530 USE_LIB_SUFFIX=${DFT_ARG_SUFFIX}
531 AC_SUBST(USE_LIB_SUFFIX)
533 USE_CFG_SUFFIX=${DFT_ARG_SUFFIX}
534 AC_SUBST(USE_CFG_SUFFIX)
536 ### Construct the list of subdirectories for which we'll customize makefiles
537 ### with the appropriate compile-rules.
539 SUB_MAKEFILES="gen/adacurses${USE_ARG_SUFFIX}-config:gen/adacurses-config.in"
541 AC_DEFINE_UNQUOTED(NCURSES_PATHSEP,'$PATH_SEPARATOR',[Define to override ':' as the library path-separator])
543 ################################################################################
551 dnl for separate build, this is good enough for "sh $(top_srcdir)/misc/shlib"
552 NCURSES_SHLIB2="sh -c"
553 AC_SUBST(NCURSES_SHLIB2)
555 ADA_SUBDIRS="include gen src doc"
556 if test "x$cf_with_tests" != "xno" ; then
557 ADA_SUBDIRS="$ADA_SUBDIRS samples"
559 for cf_dir in $ADA_SUBDIRS
561 SUB_MAKEFILES="$SUB_MAKEFILES $cf_dir/Makefile"
563 AC_SUBST(ADA_SUBDIRS)
566 AC_SUBST(NCURSES_TREE)
569 AC_SUBST(EXTERNAL_TREE)
571 # match layout used by make-tar.sh
572 ADAHTML_DIR=../doc/ada
573 AC_SUBST(ADAHTML_DIR)
575 if test "x$cross_compiling" = xyes ; then
576 ADAGEN_LDFLAGS='$(CROSS_LDFLAGS)'
578 ADAGEN_LDFLAGS='$(NATIVE_LDFLAGS)'
581 AC_SUBST(ADAGEN_LDFLAGS)
585 src/library.gpr:src/library.gpr.in \
586 doc/adacurses${DFT_ARG_SUFFIX}-config.1:doc/MKada_config.in \
588 $AWK -v PACKAGE=$PACKAGE -f $srcdir/mk-pkg.awk </dev/null >> Makefile
589 if test -z "$USE_OLD_MAKERULES" ; then
590 $AWK -f $srcdir/mk-1st.awk <$srcdir/src/modules >>src/Makefile
593 ### Special initialization commands, used to pass information from the
594 ### configuration-run into config.status
597 DFT_ARG_SUFFIX="$DFT_ARG_SUFFIX"
598 DFT_LWR_MODEL="$DFT_LWR_MODEL"
600 LIB_PREFIX="$LIB_PREFIX"
601 LIB_SUFFIX="$LIB_SUFFIX"
603 NCURSES_MAJOR="$NCURSES_MAJOR"
604 NCURSES_MINOR="$NCURSES_MINOR"
605 NCURSES_PATCH="$NCURSES_PATCH"
607 USE_OLD_MAKERULES="$USE_OLD_MAKERULES"
608 cf_cv_VERSION_GNATMAKE=$cf_cv_VERSION_GNATMAKE
609 cf_cv_VERSION_GPRBUILD=$cf_cv_VERSION_GPRBUILD
610 cf_cv_abi_version="$cf_cv_abi_version"
611 cf_cv_rel_version="$cf_cv_rel_version"
612 cf_cv_rm_so_locs="$cf_cv_rm_so_locs"
613 cf_cv_shared_soname='$cf_cv_shared_soname'
614 cf_cv_shlib_version="$cf_cv_shlib_version"
615 cf_cv_shlib_version_infix="$cf_cv_shlib_version_infix"
616 cf_cv_system_name="$cf_cv_system_name"
621 ${MAKE:-make} preinstall