ncurses 6.1 - patch 20191228
[ncurses.git] / configure.in
index 94a36a61a56b1b3b405ba2431d39fa8eff223b65..4201c33ef79617ff28e05e5130eb118bc6e75873 100644 (file)
@@ -1,5 +1,5 @@
 dnl***************************************************************************
-dnl Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
+dnl Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
 dnl                                                                          *
 dnl Permission is hereby granted, free of charge, to any person obtaining a  *
 dnl copy of this software and associated documentation files (the            *
@@ -28,14 +28,14 @@ dnl***************************************************************************
 dnl
 dnl Author: Thomas E. Dickey 1995-on
 dnl
-dnl $Id: configure.in,v 1.645 2017/07/26 22:24:31 tom Exp $
+dnl $Id: configure.in,v 1.691 2019/11/16 15:54:47 tom Exp $
 dnl Process this file with autoconf to produce a configure script.
 dnl
-dnl See http://invisible-island.net/autoconf/ for additional information.
+dnl See https://invisible-island.net/autoconf/ for additional information.
 dnl
 dnl ---------------------------------------------------------------------------
 AC_PREREQ(2.52.20170501)
-AC_REVISION($Revision: 1.645 $)
+AC_REVISION($Revision: 1.691 $)
 AC_INIT(ncurses/base/lib_initscr.c)
 AC_CONFIG_HEADER(include/ncurses_cfg.h:include/ncurses_cfg.hin)
 
@@ -58,17 +58,17 @@ CF_ABI_DEFAULTS
 
 ###    Checks for programs.
 AC_ARG_WITH(ada,
-       [  --without-ada           suppress check for Ada95, don't build demo],
+       [  --without-ada           suppress check for Ada compiler, don't build demo],
        [cf_with_ada=$withval],
        [cf_with_ada=yes])
+
 if test "x$cf_with_ada" = xyes
 then
-       cf_PROG_CC="gnatgcc gcc cc"
+       cf_prog_cc="gnatgcc gcc cc"
 else
-       cf_PROG_CC="gcc cc"
+       cf_prog_cc="gcc cc"
 fi
-
-CF_PROG_CC($cf_PROG_CC)
+CF_PROG_CC($cf_prog_cc)
 
 AC_PROG_CPP
 AC_PROG_GCC_TRADITIONAL
@@ -154,7 +154,7 @@ AC_ARG_WITH(cxx-binding,
        [cf_with_cxx_binding=$cf_with_cxx])
 AC_MSG_RESULT($cf_with_cxx_binding)
 
-AC_MSG_CHECKING(if you want to build with Ada95)
+AC_MSG_CHECKING(if you want to build with Ada)
 AC_MSG_RESULT($cf_with_ada)
 
 AC_MSG_CHECKING(if you want to install terminal database)
@@ -223,7 +223,21 @@ CF_PROG_LN_S
 
 AC_SYS_LONG_FILE_NAMES
 
-# if we find pkg-config, check if we should install the ".pc" files.
+# Provide for renaming "ncurses5-config" to "ncurses5X-config", etc., in case
+# of package conflict.
+cf_config_suffix=
+AC_ARG_WITH(config-suffix,
+       [  --with-config-suffix=X  suffixes ncursesXX-config file],
+       [case "x$withval" in
+       (xyes|xno)
+               AC_MSG_WARN(expected a value for config-suffix option)
+               ;;
+       (*)     cf_config_suffix="$withval"
+               ;;
+       esac])
+AC_SUBST(cf_config_suffix)
+
+# If we find pkg-config, check if we should install the ".pc" files.
 CF_PKG_CONFIG
 CF_WITH_PKG_CONFIG_LIBDIR
 CF_ENABLE_PC_FILES
@@ -409,36 +423,6 @@ AC_ARG_WITH(ticlib,
        [with_ticlib=no])
 AC_MSG_RESULT($with_ticlib)
 
-### Checks for special libraries, must be done up-front.
-SHLIB_LIST=""
-CF_WITH_GPM
-if test "$with_gpm" != no ; then
-       AC_MSG_CHECKING(if you want to load GPM dynamically)
-       AC_ARG_WITH(dlsym,
-               [  --without-dlsym         do not use dlsym() to load GPM dynamically],
-               [with_dlsym=$withval],
-               [with_dlsym=yes])
-       AC_MSG_RESULT($with_dlsym)
-       if test "x$with_dlsym" = xyes ; then
-               CF_FUNC_DLSYM
-               if test "x$with_gpm" != xyes ; then
-                       CF_VERBOSE(assuming soname for gpm is $with_gpm)
-                       cf_cv_gpm_soname="$with_gpm"
-               else
-                       CF_LIB_SONAME([#include <gpm.h>],[if (Gpm_Open(0,0)) Gpm_Close();],gpm)
-               fi
-               test "$cf_cv_gpm_soname" != "unknown" && AC_DEFINE_UNQUOTED(LIBGPM_SONAME,"$cf_cv_gpm_soname",[Define as needed to set the gpm share library soname])
-               SHLIB_LIST="-ldl $SHLIB_LIST"
-       else
-               SHLIB_LIST="-lgpm $SHLIB_LIST"
-               CF_ADD_LIB(gpm,TEST_LIBS)
-       fi
-       AC_DEFINE(HAVE_LIBGPM,1,[Define to 1 if we have the gpm library])
-       CF_CHECK_GPM_WGETCH
-fi
-
-CF_WITH_SYSMOUSE
-
 dnl Not all ports of gcc support the -g option
 
 if test X"$CC_G_OPT" = X"" ; then
@@ -507,6 +491,39 @@ for model in $cf_list_models; do
        esac
 done
 
+### Checks for special libraries, must be done up-front.
+SHLIB_LIST=""
+CF_WITH_GPM
+if test "$with_gpm" != no ; then
+       AC_MSG_CHECKING(if you want to load GPM dynamically)
+       AC_ARG_WITH(dlsym,
+               [  --without-dlsym         do not use dlsym() to load GPM dynamically],
+               [with_dlsym=$withval],
+               [with_dlsym=yes])
+       AC_MSG_RESULT($with_dlsym)
+       if test "x$with_dlsym" = xyes ; then
+               CF_FUNC_DLSYM
+               if test "x$with_gpm" != xyes ; then
+                       CF_VERBOSE(assuming soname for gpm is $with_gpm)
+                       cf_cv_gpm_soname="$with_gpm"
+               else
+                       CF_LIB_SONAME([#include <gpm.h>],[if (Gpm_Open(0,0)) Gpm_Close();],gpm)
+               fi
+               test "$cf_cv_gpm_soname" != "unknown" && AC_DEFINE_UNQUOTED(LIBGPM_SONAME,"$cf_cv_gpm_soname",[Define as needed to set the gpm share library soname])
+               SHLIB_LIST="-ldl $SHLIB_LIST"
+               CF_ADD_LIB(dl,PRIVATE_LIBS)
+       else
+               SHLIB_LIST="-lgpm $SHLIB_LIST"
+               CF_ADD_LIB(gpm,TEST_LIBS)
+               CF_ADD_LIB(gpm,PRIVATE_LIBS)
+       fi
+       AC_DEFINE(HAVE_LIBGPM,1,[Define to 1 if we have the gpm library])
+       CF_CHECK_GPM_WGETCH
+fi
+
+CF_WITH_PCRE2
+CF_WITH_SYSMOUSE
+
 # pretend that ncurses==ncursesw==ncursest
 AC_MSG_CHECKING(if you want to disable library suffixes)
 CF_ARG_DISABLE(lib-suffixes,
@@ -517,7 +534,7 @@ CF_ARG_DISABLE(lib-suffixes,
 AC_MSG_RESULT($disable_lib_suffixes)
 
 ### If we're building with rpath, try to link non-standard libs that way too.
-if test "$DFT_LWR_MODEL" = "shared"; then
+if test "$DFT_LWR_MODEL" = "shared" && test "x$cf_cv_enable_rpath" != xno; then
        CF_DISABLE_RPATH_HACK
 fi
 
@@ -594,8 +611,39 @@ AC_ARG_WITH(fallbacks,
        [with_fallback=$withval],
        [with_fallback=])
 AC_MSG_RESULT($with_fallback)
-FALLBACK_LIST=`test "$with_fallback" != no && echo "$with_fallback" | sed -e 's/,/ /g'`
+
+case ".$with_fallback" in
+(.|.no)
+       FALLBACK_LIST=
+       ;;
+(.yes)
+       AC_MSG_WARN(expected a list of terminal descriptions)
+       ;;
+(*)
+       FALLBACK_LIST=`echo "$with_fallback" | sed -e 's/,/ /g'`
+       ;;
+esac
+
+USE_FALLBACKS=
+test -z "$FALLBACK_LIST" && USE_FALLBACKS="#"
 AC_SUBST(FALLBACK_LIST)
+AC_SUBST(USE_FALLBACKS)
+
+# The fallback feature in ncurses relies upon tic/infocmp outside the build
+# tree for generating the terminal descriptions that will be compiled into the
+# library.  If your toolchain is old, it may not handle current terminal
+# databases.  Use configure-options to point to the tools which will be used,
+# rather than the first ones found on the $PATH.
+if test -n "$FALLBACK_LIST"
+then
+       CF_WITH_PATH_PROG(TIC,     tic,     [for fallbacks], $PATH:/usr/local/ncurses/bin)
+       CF_WITH_PATH_PROG(INFOCMP, infocmp, [for fallbacks], $PATH:/usr/local/ncurses/bin)
+else
+       : ${TIC:=tic}
+       : ${INFOCMP:=infocmp}
+fi
+AC_SUBST(TIC)
+AC_SUBST(INFOCMP)
 
 AC_MSG_CHECKING(if you want modern xterm or antique)
 AC_ARG_WITH(xterm-new,
@@ -645,6 +693,13 @@ CF_WITH_PATHLIST(terminfo-dirs,
 AC_MSG_RESULT($TERMINFO_DIRS)
 test -n "$TERMINFO_DIRS" && AC_DEFINE_UNQUOTED(TERMINFO_DIRS,"$TERMINFO_DIRS",[Define as needed to predefine the TERMINFO_DIR searchlist])
 
+case "x$TERMINFO" in
+x???:*)
+       AC_MSG_WARN(ignoring non-directory/file TERMINFO value)
+       unset TERMINFO
+       ;;
+esac
+
 AC_MSG_CHECKING(for default terminfo directory)
 CF_WITH_PATH(default-terminfo-dir,
        [  --with-default-terminfo-dir=DIR default terminfo directory],
@@ -839,7 +894,7 @@ NCURSES_WINT_T=0
 
 # Check to define _XOPEN_SOURCE "automatically"
 CPPFLAGS_before_XOPEN="$CPPFLAGS"
-CF_XOPEN_SOURCE(500)
+CF_XOPEN_SOURCE(600)
 CPPFLAGS_after_XOPEN="$CPPFLAGS"
 
 # Work around breakage on OS X
@@ -956,6 +1011,8 @@ else
 fi
 AC_SUBST(NCURSES_WATTR_MACROS)
 
+CF_WITH_X11_RGB
+
 ###   use option --with-bool to override bool's type
 AC_MSG_CHECKING(for type of bool)
 AC_ARG_WITH(bool,
@@ -1008,6 +1065,21 @@ AC_ARG_WITH(ccharw-max,
 AC_MSG_RESULT($NCURSES_CCHARW_MAX)
 AC_SUBST(NCURSES_CCHARW_MAX)
 
+AC_CHECK_SIZEOF([signed char], 0)
+if test "$ac_cv_sizeof_signed_char" = 1 ; then
+       NCURSES_SBOOL="signed char"
+else
+       NCURSES_SBOOL="char"
+fi
+AC_MSG_CHECKING(if you want to use signed Boolean array in term.h)
+AC_ARG_ENABLE(signed-char,
+       [  --enable-signed-char    compile using signed Boolean's in term.h],
+       [with_signed_char=$enableval],
+       [with_signed_char=no])
+AC_MSG_RESULT($with_signed_char)
+test "x$with_signed_char" != xyes && NCURSES_SBOOL="char"
+AC_SUBST(NCURSES_SBOOL)
+
 ###   use option --with-tparm-arg to override tparm's argument type
 AC_MSG_CHECKING(for type of tparm args)
 AC_ARG_WITH(tparm-arg,
@@ -1127,6 +1199,7 @@ if test "x$with_ext_colors" = xyes ; then
                AC_DEFINE(NCURSES_EXT_COLORS,1,[Define to 1 to compile for 256-color support])
                AC_DEFINE(HAVE_ALLOC_PAIR,1,[Define to 1 to enable alloc_pair() function])
                AC_DEFINE(HAVE_INIT_EXTENDED_COLOR,1,[Define to 1 to enable init_extended_color() function in test-programs])
+               AC_DEFINE(HAVE_RESET_COLOR_PAIRS,1,[Define to 1 to enable reset_color_pairs() function in test-programs])
        fi
 fi
 AC_SUBST(NCURSES_EXT_COLORS)
@@ -1164,21 +1237,6 @@ AC_ARG_ENABLE(no-padding,
 AC_MSG_RESULT($with_no_padding)
 test "x$with_no_padding" = xyes && AC_DEFINE(NCURSES_NO_PADDING,1,[Define to 1 to compile with $NCURSES_NO_PADDING code])
 
-AC_CHECK_SIZEOF([signed char], 0)
-if test "$ac_cv_sizeof_signed_char" = 1 ; then
-       NCURSES_SBOOL="signed char"
-else
-       NCURSES_SBOOL="char"
-fi
-AC_MSG_CHECKING(if you want to use signed Boolean array in term.h)
-AC_ARG_ENABLE(signed-char,
-       [  --enable-signed-char    compile using signed Boolean's in term.h],
-       [with_signed_char=$enableval],
-       [with_signed_char=no])
-AC_MSG_RESULT($with_signed_char)
-test "x$with_signed_char" != xyes && NCURSES_SBOOL="char"
-AC_SUBST(NCURSES_SBOOL)
-
 ###   use option --enable-sigwinch to turn on use of SIGWINCH logic
 AC_MSG_CHECKING(if you want SIGWINCH handler)
 AC_ARG_ENABLE(sigwinch,
@@ -1200,6 +1258,7 @@ test "x$with_tcap_names" = xyes && NCURSES_XNAMES=1
 AC_SUBST(NCURSES_XNAMES)
 
 ##############################################################################
+CF_HELP_MESSAGE(Reentrant Code:)
 CF_WITH_PTHREAD
 
 if test "x$with_pthread" != xno; then
@@ -1237,6 +1296,7 @@ if test "x$with_pthread" = "xyes" ; then
        enable_reentrant=yes
        if test "x$cf_cv_weak_symbols" = xyes ; then
                PTHREAD=-lpthread
+               CF_ADD_LIB(pthread,PRIVATE_LIBS)
        fi
 fi
 AC_SUBST(PTHREAD)
@@ -1259,6 +1319,7 @@ if test "x$with_reentrant" = xyes ; then
                CF_REMOVE_LIB(LIBS,$LIBS,pthread)
                CF_ADD_LIB(pthread,TEST_LIBS)
                CF_ADD_LIB(pthread,TEST_LIBS2)
+               CF_ADD_LIB(pthread,PRIVATE_LIBS)
        else
                # when not using weak symbols but with_reentrant,
                # add 't' to the library suffix on all platforms
@@ -1420,7 +1481,6 @@ AC_ARG_ENABLE(safe-sprintf,
        [with_safe_sprintf=$enableval],
        [with_safe_sprintf=no])
 AC_MSG_RESULT($with_safe_sprintf)
-test "x$with_safe_sprintf" = xyes && AC_DEFINE(USE_SAFE_SPRINTF,1,[Define to 1 to compile with experimental safe-sprintf code])
 
 ###   use option --disable-scroll-hints to turn off use of scroll-hints scrolling logic
 # when hashmap is used scroll hints are useless
@@ -1456,6 +1516,24 @@ else
 fi
 AC_SUBST(ECHO_LINK)
 
+# --disable-stripping is used for debugging
+CF_INSTALL_OPTS
+
+# If we're avoiding relinking of shared libraries during install, that is to
+# avoid modifying the build-tree.  For the same reason, avoid doing ranlib if
+# the install program has "-p" (for preserving timestamps).
+cf_cv_do_reranlib=yes
+if test "x$cf_cv_install_p" = xyes
+then
+       if test "x$cf_cv_do_relink" != xyes
+       then
+               cf_cv_do_reranlib=no
+               INSTALL_OPT_P="-p"
+               INSTALL_LIB="$INSTALL_LIB $INSTALL_OPT_P"
+       fi
+fi
+AC_SUBST(INSTALL_OPT_P)
+
 ###    use option --enable-warnings to turn on all gcc warnings
 AC_MSG_CHECKING(if you want to see compiler warnings)
 AC_ARG_ENABLE(warnings,
@@ -1538,7 +1616,7 @@ CF_DISABLE_GNAT_PROJECTS
 case $cf_cv_system_name in
 (*mingw32*|*mingw64*)
        CPPFLAGS="$CPPFLAGS -DWINVER=0x0501 -DWIN32_LEAN_AND_MEAN"
-       LIBS=" -lpsapi $LIBS"
+       # Note: WINVER may be a problem with Windows 10
        ;;
 (*)
 AC_CHECK_FUNC(gettimeofday,
@@ -1581,6 +1659,14 @@ wctype.h \
 
 CF_GETOPT_HEADER
 
+CF_CHECK_ENVIRON(environ)
+CF_CHECK_GETENV
+if test "x$cf_cv_consistent_getenv" = xno && \
+       test "x$cf_with_trace" = xyes
+then
+       AC_MSG_WARN(The NCURSES_TRACE environment variable is not supported with this configuration)
+fi
+
 # check for ISC (this may also define _POSIX_SOURCE)
 # Note: even non-Posix ISC needs <sys/bsdtypes.h> to declare fd_set
 if test "x$ISC" = xyes ; then
@@ -1630,6 +1716,7 @@ geteuid \
 getopt \
 getttynam \
 issetugid \
+localeconv \
 poll \
 putenv \
 remove \
@@ -1642,8 +1729,10 @@ sigaction \
 sigvec \
 strdup \
 strstr \
+sysconf \
 tcgetpgrp \
 times \
+tsearch \
 vsnprintf \
 )
 
@@ -1652,6 +1741,16 @@ if test "x$ac_cv_func_getopt" = xno && \
        AC_MSG_ERROR(getopt is required for building programs)
 fi
 
+if test "x$with_safe_sprintf" = xyes
+then
+       if test "x$ac_cv_func_vsnprintf" = xyes
+       then
+               AC_MSG_WARN(will use vsnprintf instead of safe-sprintf option)
+       else
+               AC_DEFINE(USE_SAFE_SPRINTF,1,[Define to 1 to compile with experimental safe-sprintf code])
+       fi
+fi
+
 if test "x$with_getcap" = "xyes" ; then
        CF_CGETENT
 fi
@@ -1680,6 +1779,7 @@ CF_FUNC_MEMMOVE
 CF_FUNC_POLL
 CF_VA_COPY
 AC_FUNC_VFORK
+CF_FOPEN_BIN_R
 
 # special check for test/ditto.c
 CF_FUNC_OPENPTY
@@ -1784,7 +1884,7 @@ else
 fi
 AC_SUBST(USE_CXX_BOOL)
 
-CF_HELP_MESSAGE(Ada95 Binding Options:)
+CF_HELP_MESSAGE(Ada Binding Options:)
 
 dnl If the Ada95 source-tree is present, add that to the build unless it will
 dnl not work, or was not requested.
@@ -1801,7 +1901,7 @@ dnl libtool -TD 20070714
        fi
 
 dnl Check for availability of GNU Ada Translator (GNAT).
-dnl At the moment we support no other Ada95 compiler.
+dnl At the moment we support no other Ada compiler.
        if test "$cf_with_ada" != "no" ; then
                CF_PROG_GNAT
                if test "x$cf_cv_prog_gnat_correct" = xyes; then
@@ -1822,6 +1922,9 @@ dnl At the moment we support no other Ada95 compiler.
                        CF_WITH_ADA_INCLUDE
                        CF_WITH_ADA_OBJECTS
                        CF_WITH_ADA_SHAREDLIB
+
+                       # allow the Ada binding to be renamed
+                       CF_WITH_ADA_LIBNAME(AdaCurses)
                fi
        fi
 else
@@ -2101,6 +2204,7 @@ AC_DEFINE(HAVE_SLK_COLOR,1,[Define to 1 if we have slk_color for test-programs])
 CF_SRC_MODULES($modules_to_build)
 
 if test "x$cf_with_ada" = "xyes" && test "x$cf_cv_prog_gnat_correct" = "xyes"; then
+   SUB_MAKEFILES="$SUB_MAKEFILES Ada95/src/library.gpr:Ada95/src/library.gpr.in"
    SUB_MAKEFILES="$SUB_MAKEFILES Ada95/gen/adacurses${USE_CFG_SUFFIX}-config:Ada95/gen/adacurses-config.in"
    SUB_MAKEFILES="$SUB_MAKEFILES man/adacurses${USE_CFG_SUFFIX}-config.1:man/MKada_config.in"
 fi
@@ -2137,16 +2241,6 @@ SUB_MAKEFILES="$SUB_MAKEFILES misc/gen-pkgconfig:misc/gen-pkgconfig.in"
 fi
 AC_SUBST(cross_compiling)
 
-AC_PATH_PROG(TIC_PATH,tic,unknown,$PATH:/usr/local/ncurses/bin)
-if test -n "$FALLBACK_LIST"
-then
-       if test "$TIC_PATH" = unknown
-       then
-               AC_MSG_WARN(no tic program found for fallbacks)
-       fi
-fi
-AC_SUBST(TIC_PATH)
-
 if test "x$cf_with_tests" != xno ; then
        MAKE_TESTS=
 else
@@ -2248,7 +2342,12 @@ fi
 AC_SUBST(MISC_INSTALL_DATA)
 AC_SUBST(MISC_UNINSTALL_DATA)
 
-SUB_SCRIPTS=
+if test "x$cf_with_db_install" = "xno" || test "x$TERMINFO_SRC" = "xno"; then
+       MAKE_DATABASE="#"
+else
+       MAKE_DATABASE="$MAKE_TERMINFO"
+fi
+AC_SUBST(MAKE_DATABASE)
 
 dnl Override the package used for exported symbols
 if test -n "$PACKAGE"
@@ -2290,6 +2389,10 @@ else
 fi
 AC_SUBST(ADAGEN_LDFLAGS)
 AC_SUBST(CHECK_BUILD)
+AC_SUBST(PRIVATE_LIBS)
+
+# This is used for the *-config script and *.pc data files.
+CF_LD_SEARCHPATH
 
 AC_DEFINE(HAVE_CURSES_DATA_BOOLNAMES,1,[definition needed for in-tree build of tack])
 
@@ -2299,7 +2402,6 @@ AC_OUTPUT( \
        include/ncurses_dll.h \
        include/termcap.h \
        include/unctrl.h \
-       $SUB_SCRIPTS \
        $SUB_MAKEFILES \
        Makefile,[
 if test "x$cf_with_tests" != xno ; then
@@ -2358,6 +2460,7 @@ WITH_OVERWRITE="$with_overwrite"
 cf_LIST_MODELS="$cf_list_models"
 cf_cv_abi_version="$cf_cv_abi_version"
 cf_cv_do_relink="$cf_cv_do_relink"
+cf_cv_do_reranlib="$cf_cv_do_reranlib"
 cf_cv_do_symlinks="$cf_cv_do_symlinks"
 cf_cv_enable_lp64="$cf_cv_enable_lp64"
 cf_cv_enable_opaque="$cf_cv_enable_opaque"