X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=configure.in;h=af15142f5a0fd77f9287796d98e492ce4e11ff4e;hp=b229618c4bc78105719a5052dfb2e9c93e6d20eb;hb=6434e809cb70f93cc76d0f833e74447e32c99f54;hpb=73b54c0812e4b8dfddcf87f59c7488bb3c10e10d

diff --git a/configure.in b/configure.in
index b229618c..af15142f 100644
--- a/configure.in
+++ b/configure.in
@@ -28,14 +28,14 @@ dnl***************************************************************************
 dnl
 dnl Author: Thomas E. Dickey 1995-on
 dnl
-dnl $Id: configure.in,v 1.583 2014/08/02 20:35:31 tom Exp $
+dnl $Id: configure.in,v 1.586 2014/09/23 22:18:46 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
 dnl ---------------------------------------------------------------------------
 AC_PREREQ(2.52.20030208)
-AC_REVISION($Revision: 1.583 $)
+AC_REVISION($Revision: 1.586 $)
 AC_INIT(ncurses/base/lib_initscr.c)
 AC_CONFIG_HEADER(include/ncurses_cfg.h:include/ncurses_cfg.hin)
 
@@ -92,6 +92,37 @@ else
 		cf_with_cxx=no; CXX=""; GXX="";])dnl
 	AC_PROG_CXX
 	popdef([AC_MSG_ERROR])dnl
+
+	AC_LANG_PUSH(C++)
+	if test "x$cf_with_cxx" != xno
+	then
+		# Several of the C++ configurations do not work, particularly when
+		# cross-compiling (20140913 -TD)
+		AC_MSG_CHECKING(if $CXX works)
+
+		save_CPPFLAGS="$CPPFLAGS"
+		eval cf_includedir=${includedir}
+		CPPFLAGS="$CPPFLAGS -I${cf_includedir}"
+		AC_TRY_COMPILE([
+#include <stdlib.h>
+#include <stdio.h>
+],
+		[
+		printf("Hello world!\n")
+		],
+		[cf_cxx_works=yes],
+		[cf_cxx_works=no])
+		CPPFLAGS="$save_CPPFLAGS"
+
+		AC_MSG_RESULT($cf_cxx_works)
+		if test "x$cf_cxx_works" = xno
+		then
+			AC_MSG_WARN([Ignore $CXX, since it cannot compile hello-world.])
+			cf_with_cxx=no; CXX=""; GXX="";
+		fi
+	fi
+	AC_LANG_POP
+
 	# autoconf 2.5x removed the error (hardcoding it to g++, or just blank)
 	if test "$CXX" = "g++" ; then
 		AC_PATH_PROG(CXX,g++)
@@ -1448,6 +1479,7 @@ AC_CHECK_FUNCS( \
 getcwd \
 getegid \
 geteuid \
+getopt \
 getttynam \
 issetugid \
 poll \
@@ -1466,6 +1498,12 @@ tcgetpgrp \
 times \
 vsnprintf \
 )
+
+if test "x$ac_cv_func_getopt" = xno &&
+   test "x$cf_with_progs$cf_with_tests" != xnono; then
+	AC_MSG_ERROR(getopt is required for building programs)
+fi
+
 if test "x$with_getcap" = "xyes" ; then
 	CF_CGETENT
 fi
@@ -2006,6 +2044,19 @@ xshort|xint|xlong)
 	;;
 esac
 
+# substitute into misc/Makefile to suppress
+# (un)install.data from the
+# (un)install rules.
+if test "x$cf_with_db_install" = "xno"; then
+	MISC_INSTALL_DATA=
+	MISC_UNINSTALL_DATA=
+else
+	MISC_INSTALL_DATA=install.data
+	MISC_UNINSTALL_DATA=uninstall.data
+fi
+AC_SUBST(MISC_INSTALL_DATA)
+AC_SUBST(MISC_UNINSTALL_DATA)
+
 SUB_SCRIPTS=
 
 AC_OUTPUT( \