dnl
dnl Author: Thomas E. Dickey 1995-on
dnl
-dnl $Id: aclocal.m4,v 1.973 2021/08/12 00:35:34 tom Exp $
+dnl $Id: aclocal.m4,v 1.974 2021/08/28 20:24:23 tom Exp $
dnl Macros used in NCURSES auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
}
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_APPEND_CFLAGS version: 1 updated: 2021/08/28 15:20:37
+dnl ----------------
+dnl Use CF_ADD_CFLAGS after first checking for potential redefinitions.
+dnl $1 = flags to add
+dnl $2 = if given makes this macro verbose.
+define([CF_APPEND_CFLAGS],
+[
+for cf_add_cflags in $1
+do
+ CF_REMOVE_CFLAGS($cf_add_cflags,CFLAGS,[$2])
+ CF_REMOVE_CFLAGS($cf_add_cflags,CPPFLAGS,[$2])
+done
+CF_ADD_CFLAGS([$1],[$2])
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55
dnl --------------
dnl use this macro for appending text without introducing an extra blank at
esac
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_REMOVE_CFLAGS version: 1 updated: 2021/08/28 15:20:37
+dnl ----------------
+dnl Remove a given option from CFLAGS/CPPFLAGS
+dnl $1 = option to remove
+dnl $2 = variable to update
+dnl $3 = nonempty to allow verbose message
+define([CF_REMOVE_CFLAGS],
+[
+cf_tmp_cflag=`echo "x$1" | sed -e 's/^.//' -e 's/=.*//'`
+cf_old_cflag="[$]$2"
+
+case "[$]$2" in
+(*$1=*)
+ cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag=[[^ ]]*%%g"`
+ ;;
+(*$1\ *)
+ cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%${cf_tmp_cflag}.%%"`
+ ;;
+(*$1)
+ cf_old_cflag=`echo "x$cf_old_cflag" | sed -e 's/^.//' -e "s%$cf_tmp_cflag%%"`
+ ;;
+esac
+
+if test "[$]$2" != "$cf_old_cflag" ;
+then
+ ifelse([$3],,,[CF_VERBOSE(removing old option $1 from $2)])
+ $2="$cf_new_cflag"
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
dnl ----------------
dnl Remove all -U and -D options that refer to the given symbol from a list
fi
])
dnl ---------------------------------------------------------------------------
-dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
+dnl CF_TRY_XOPEN_SOURCE version: 3 updated: 2021/08/28 15:20:37
dnl -------------------
dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
dnl can define it successfully.
CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
- CF_ADD_CFLAGS($cf_temp_xopen_source)
+ CF_APPEND_CFLAGS($cf_temp_xopen_source)
fi
])
dnl ---------------------------------------------------------------------------
AC_SUBST(no_x11_rgb)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 58 updated: 2021/05/01 17:49:36
+dnl CF_XOPEN_SOURCE version: 59 updated: 2021/08/28 15:20:37
dnl ---------------
dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
dnl or adapt to the vendor's definitions to get equivalent functionality,
esac
if test -n "$cf_xopen_source" ; then
- CF_ADD_CFLAGS($cf_xopen_source,true)
+ CF_APPEND_CFLAGS($cf_xopen_source,true)
fi
dnl In anything but the default case, we may have system-specific setting