dnl
dnl Author: Thomas E. Dickey 1995-on
dnl
-dnl $Id: configure.in,v 1.700 2020/03/08 00:53:28 tom Exp $
+dnl $Id: configure.in,v 1.716 2020/08/16 16:21:37 tom Exp $
dnl Process this file with autoconf to produce a configure script.
dnl
dnl For additional information, see
dnl
dnl ---------------------------------------------------------------------------
AC_PREREQ(2.52.20200111)
-AC_REVISION($Revision: 1.700 $)
+AC_REVISION($Revision: 1.716 $)
AC_INIT(ncurses/base/lib_initscr.c)
AC_CONFIG_HEADER(include/ncurses_cfg.h:include/ncurses_cfg.hin)
CF_GXX_VERSION
case $GXX_VERSION in
-(1*|2.[[0-6]]*)
- # GXX=""; CXX=""; ac_cv_prog_gxx=no
- # cf_cxx_library=no
+([[1-9]][[0-9]].*)
+ ;;
+(1.*|2.[[0-6]]*)
AC_MSG_WARN(templates do not work)
;;
esac
# If we're cross-compiling, allow the user to override the tools and their
# options. The configure script is oriented toward identifying the host
# compiler, etc., but we need a build compiler to generate parts of the source.
+
+case $cf_cv_system_name in
+(*-msvc*)
+ LDFLAGS="$LDFLAGS user32.lib"
+ export LDFLAGS
+ ;;
+esac
+
CF_BUILD_CC
###############################################################################
CF_DISABLE_RPATH_HACK
fi
+### Depending on the system, someone may use rpath to build ncurses but not
+# want users of the package to rely upon that feature. Give those people an
+# option to suppress that detail from EXTRA_LDFLAGS.
+EXTRA_PKG_LDFLAGS="$EXTRA_LDFLAGS"
+if test -n "$EXTRA_PKG_LDFLAGS"
+then
+ AC_MSG_CHECKING(if you want to disable extra LDFLAGS for package-scripts)
+ CF_ARG_DISABLE(pkg-ldflags,
+ [ --disable-pkg-ldflags disable extra LDFLAGS for package-scripts],
+ [disable_pkg_ldflags=yes],
+ [disable_pkg_ldflags=no],
+ no)
+ AC_MSG_RESULT($disable_pkg_ldflags)
+ test "$disable_pkg_ldflags" = yes && EXTRA_PKG_LDFLAGS=
+fi
+AC_SUBST(EXTRA_PKG_LDFLAGS)
+
###############################################################################
CF_HELP_MESSAGE(Fine-Tuning Your Configuration:)
;;
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 $PATH.
+AC_CHECK_TOOL(TIC, tic)
+AC_CHECK_TOOL(INFOCMP, infocmp)
if test -n "$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}
- : ${INFOCMP:=infocmp}
+ test -z "$TIC" && FALLBACK_LIST=
+ test -z "$INFOCMP" && FALLBACK_LIST=
+ if test -z "$FALLBACK_LIST"
+ then
+ AC_MSG_WARN(ignoring fallback option because tic/infocmp are not available)
+ fi
fi
AC_SUBST(TIC)
AC_SUBST(INFOCMP)
+USE_FALLBACKS=
+test -z "$FALLBACK_LIST" && USE_FALLBACKS="#"
+AC_SUBST(FALLBACK_LIST)
+AC_SUBST(USE_FALLBACKS)
+
AC_MSG_CHECKING(if you want modern xterm or antique)
AC_ARG_WITH(xterm-new,
[ --without-xterm-new specify if xterm terminfo should be old version],
AC_MSG_RESULT($with_colorfgbg)
test "x$with_colorfgbg" = xyes && AC_DEFINE(USE_COLORFGBG,1,[Define to 1 to compile-in experimental $COLORFGBG code])
+### use option --enable-fvisibility to turn on use of gcc-specific feature
+AC_MSG_CHECKING(if you want to use gcc -fvisibility option)
+AC_ARG_ENABLE(fvisibility,
+ [ --enable-fvisibility compile with -fvisibility=hidden],
+ [cf_with_fvisibility=$enableval],
+ [cf_with_fvisibility=no])
+AC_MSG_RESULT($cf_with_fvisibility)
+
+NCURSES_IMPEXP=
+NCURSES_CXX_IMPEXP=
+if test "x$cf_with_fvisibility" = xyes; then
+ CF_CHECK_FVISIBILITY($CC,CFLAGS,cf_cv_fvisibility_hidden)
+ if test "x$cf_cv_fvisibility_hidden" = xyes
+ then
+ CF_ADD_CFLAGS([-fvisibility=hidden])
+ NCURSES_IMPEXP="__attribute__ ((visibility(\"default\")))"
+ fi
+ if test -n "$CXX"
+ then
+ AC_LANG_PUSH(C++)
+ CF_CHECK_FVISIBILITY($CXX,CXXFLAGS,cf_cv_fvisibility_hidden2)
+ if test "x$cf_cv_fvisibility_hidden2" = xyes
+ then
+ CF_ADD_CXXFLAGS([-fvisibility=hidden])
+ NCURSES_CXX_IMPEXP="__attribute__ ((visibility(\"default\")))"
+ fi
+ AC_LANG_POP
+ fi
+fi
+AC_SUBST(NCURSES_IMPEXP)
+AC_SUBST(NCURSES_CXX_IMPEXP)
+
### use option --enable-interop to turn on use of bindings used for interop
AC_MSG_CHECKING(if you want interop bindings)
AC_ARG_ENABLE(interop,
locale.h \
math.h \
poll.h \
-sys/bsdtypes.h \
sys/ioctl.h \
sys/param.h \
sys/poll.h \
AC_MSG_WARN(The NCURSES_TRACE environment variable is not supported with this configuration)
fi
-# check for ISC (this may also define _POSIX_SOURCE)
-# Note: even non-Posix ISC needs <sys/bsdtypes.h> to declare fd_set
-if test "x$ISC" = xyes ; then
- AC_CHECK_LIB(cposix,main)
- AC_CHECK_LIB(inet,bzero,CF_ADD_LIB(inet))dnl also 'select()'
-fi
-
CF_SYS_TIME_SELECT
### checks for compiler characteristics
setvbuf \
sigaction \
sigvec \
+snprintf \
strdup \
strstr \
sysconf \
CF_PROG_CC_C_O(CXX,[$CXXFLAGS $CPPFLAGS])
case $GXX_VERSION in
- (1*|2.[0-6]*)
+ (1.*|2.[[0-6]]*|[[1-9]][[0-9]].*)
cf_cxx_library=yes
;;
(*-2.7*|2.7*)
fi
WITH_OVERWRITE=$with_overwrite
+### At least on MinGW a shared library build without libtool
+### requires adding the additional libs to the link list.
+case $cf_cv_system_name in
+(*mingw32*|*mingw64*)
+ if test "$DFT_LWR_MODEL" != "libtool"; then
+ SHLIB_LIST="$SHLIB_LIST ${LIBS}"
+ fi
+ ;;
+*) ;;
+esac
+
AC_SUBST(WITH_OVERWRITE)
AC_SUBST(TICS_LIST)
AC_SUBST(TINFO_LIST)
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