dnl
dnl Author: Thomas E. Dickey 1995-on
dnl
-dnl $Id: aclocal.m4,v 1.765 2015/08/22 21:12:39 tom Exp $
+dnl $Id: aclocal.m4,v 1.767 2015/09/12 20:00:59 tom Exp $
dnl Macros used in NCURSES auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
unset $1
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_FUNC_DLSYM version: 3 updated: 2012/10/06 11:17:15
+dnl CF_FUNC_DLSYM version: 4 updated: 2015/09/12 14:46:44
dnl -------------
dnl Test for dlsym() and related functions, as well as libdl.
dnl
cf_have_libdl=yes])])
if test "$cf_have_dlsym" = yes ; then
- test "$cf_have_libdl" = yes && CF_ADD_LIB(dl)
+ test "$cf_have_libdl" = yes && { CF_ADD_LIB(dl) }
AC_MSG_CHECKING(whether able to link to dl*() functions)
AC_TRY_LINK([#include <dlfcn.h>],[
test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP,1,[Define to 1 if we have nanosleep()])
])
dnl ---------------------------------------------------------------------------
-dnl CF_FUNC_OPENPTY version: 4 updated: 2015/04/18 08:56:57
+dnl CF_FUNC_OPENPTY version: 5 updated: 2015/09/12 14:46:50
dnl ---------------
dnl Check for openpty() function, along with <pty.h> header. It may need the
dnl "util" library as well.
AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
cf_save_LIBS="$LIBS"
- test $cf_cv_lib_util = yes && CF_ADD_LIB(util)
+ test $cf_cv_lib_util = yes && { CF_ADD_LIB(util) }
for cf_header in pty.h libutil.h util.h
do
AC_TRY_LINK([
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_STDCPP_LIBRARY version: 8 updated: 2015/04/17 21:13:04
+dnl CF_STDCPP_LIBRARY version: 10 updated: 2015/09/12 15:53:39
dnl -----------------
dnl Check for -lstdc++, which is GNU's standard C++ library.
+dnl If $CXXLIBS is set, add that to the libraries used for test-linking.
+dnl If -lstdc++ was not already added to $LIBS or $CXXLIBS, and is needed,
+dnl add it to $CXXLIBS.
AC_DEFUN([CF_STDCPP_LIBRARY],
[
if test -n "$GXX" ; then
-case $cf_cv_system_name in
-(os2*)
- cf_stdcpp_libname=stdcpp
- ;;
-(*)
- cf_stdcpp_libname=stdc++
- ;;
-esac
-AC_CACHE_CHECK(for library $cf_stdcpp_libname,cf_cv_libstdcpp,[
+
cf_save="$LIBS"
- CF_ADD_LIB($cf_stdcpp_libname)
-AC_TRY_LINK([
-#include <strstream.h>],[
-char buf[80];
-strstreambuf foo(buf, sizeof(buf))
-],
- [cf_cv_libstdcpp=yes],
- [cf_cv_libstdcpp=no])
+ LIBS="$LIBS $CXXLIBS"
+ AC_MSG_CHECKING(if we already have C++ library)
+ AC_TRY_LINK([
+ #include <iostream>],[
+ std::cout << "Hello World!" << std::endl;],
+ [cf_have_libstdcpp=yes],
+ [cf_have_libstdcpp=no])
+ AC_MSG_RESULT($cf_have_libstdcpp)
LIBS="$cf_save"
-])
-test "$cf_cv_libstdcpp" = yes && CF_ADD_LIB($cf_stdcpp_libname,CXXLIBS)
+
+ if test $cf_have_libstdcpp != yes
+ then
+ case $cf_cv_system_name in
+ (os2*)
+ cf_stdcpp_libname=stdcpp
+ ;;
+ (*)
+ cf_stdcpp_libname=stdc++
+ ;;
+ esac
+
+ AC_CACHE_CHECK(for library $cf_stdcpp_libname,cf_cv_libstdcpp,[
+ cf_save="$LIBS"
+ LIBS="$LIBS $CXXLIBS"
+ CF_ADD_LIB($cf_stdcpp_libname)
+ AC_TRY_LINK([
+ #include <iostream>],[
+ std::cout << "Hello World!" << std::endl;],
+ [cf_cv_libstdcpp=yes],
+ [cf_cv_libstdcpp=no])
+ LIBS="$cf_save"
+ ])
+ test "$cf_cv_libstdcpp" = yes && { CF_ADD_LIB($cf_stdcpp_libname,CXXLIBS) }
+ fi
fi
])dnl
dnl ---------------------------------------------------------------------------