Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild

Pull kconfig changes from Michal Marek:
 - kconfig Makefile portability fixes
 - menuconfig/nconfig help pager usability fix
 - .gitignore cleanup
 - quoting fix in scripts/config
 - Makefile prints errors to stderr
 - support for arbitrarily log lines in .config
 - fix oldnoconfig description in 'make help'

* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  kconfig: Document oldnoconfig to what it really does
  nconf: add u, d command keys in scroll windows
  menuconfig: add u, d, q command keys in text boxes
  scripts/config: fix double-quotes un-escaping
  kconfig: Print errors to stderr in the Makefile
  kconfig: allow long lines in config file
  kconfig: remove lkc_defs.h from .gitignore and dontdiff
  xconfig: add quiet rule for moc
  xconfig: use pkgconfig to find moc
  kconfig: fix check-lxdialog for DLL platforms
  kconfig: check ncursesw headers first in check-lxdialog
  kconfig/nconf: fix compile with ncurses reentrant API

9 files changed, 104 insertions, 36 deletions

diff --git a/scripts/config b/scripts/config
index ed6653ef9702..9e984bc96e18 100755
--- a/scripts/config
+++ b/scripts/config
@@ -128,7 +128,7 @@ while [ "$1" != "" ] ; do
                                 V="${V/#CONFIG_$ARG=/}"
                                 V="${V/#\"/}"
                                 V="${V/%\"/}"
-                                V="${V/\\\"/\"}"
+                                V="${V//\\\"/\"}"
                                 echo "${V}"
                         fi
                 fi
diff --git a/scripts/kconfig/.gitignore b/scripts/kconfig/.gitignore
index ee120d441565..be603c4fef62 100644
--- a/scripts/kconfig/.gitignore
+++ b/scripts/kconfig/.gitignore
@@ -7,7 +7,6 @@ config*
 *.tab.h
 zconf.hash.c
 *.moc
-lkc_defs.h
 gconf.glade.h
 *.pot
 *.mo
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 79662658fb91..77d53999ffb9 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -114,7 +114,7 @@ help:
         @echo  '  alldefconfig    - New config with all symbols set to default'
         @echo  '  randconfig      - New config with random answer to all options'
         @echo  '  listnewconfig   - List new options'
-        @echo  '  oldnoconfig     - Same as silentoldconfig but set new symbols to n (unset)'
+        @echo  '  oldnoconfig     - Same as silentoldconfig but sets new symbols to their default value'
 
 # lxdialog stuff
 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
@@ -234,12 +234,12 @@ $(obj)/.tmp_qtcheck:
                 if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
               done; \
               if [ -z "$$dir" ]; then \
-                echo "*"; \
-                echo "* Unable to find any QT installation. Please make sure that"; \
-                echo "* the QT4 or QT3 development package is correctly installed and"; \
-                echo "* either qmake can be found or install pkg-config or set"; \
-                echo "* the QTDIR environment variable to the correct location."; \
-                echo "*"; \
+                echo >&2 "*"; \
+                echo >&2 "* Unable to find any QT installation. Please make sure that"; \
+                echo >&2 "* the QT4 or QT3 development package is correctly installed and"; \
+                echo >&2 "* either qmake can be found or install pkg-config or set"; \
+                echo >&2 "* the QTDIR environment variable to the correct location."; \
+                echo >&2 "*"; \
                 false; \
               fi; \
               libpath=$$dir/lib; lib=qt; osdir=""; \
@@ -260,8 +260,8 @@ $(obj)/.tmp_qtcheck:
         else \
           cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
           libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
-          binpath="\$$(shell pkg-config QtCore --variable=prefix)"; \
-          moc="$$binpath/bin/moc"; \
+          moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \
+          [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \
         fi; \
         echo "KC_QT_CFLAGS=$$cflags" > $@; \
         echo "KC_QT_LIBS=$$libs" >> $@; \
@@ -279,17 +279,17 @@ $(obj)/.tmp_gtkcheck:
                 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then                  \
                         touch $@;                                                               \
                 else                                                                    \
-                        echo "*";                                                       \
-                        echo "* GTK+ is present but version >= 2.0.0 is required.";     \
-                        echo "*";                                                       \
+                        echo >&2 "*";                                                   \
+                        echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \
+                        echo >&2 "*";                                                   \
                         false;                                                          \
                 fi                                                                      \
         else                                                                            \
-                echo "*";                                                               \
-                echo "* Unable to find the GTK+ installation. Please make sure that";   \
-                echo "* the GTK+ 2.0 development package is correctly installed...";    \
-                echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0.";                 \
-                echo "*";                                                               \
+                echo >&2 "*";                                                           \
+                echo >&2 "* Unable to find the GTK+ installation. Please make sure that";       \
+                echo >&2 "* the GTK+ 2.0 development package is correctly installed...";        \
+                echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0.";             \
+                echo >&2 "*";                                                           \
                 false;                                                                  \
         fi
 endif
@@ -298,8 +298,11 @@ $(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
 
 $(obj)/qconf.o: $(obj)/qconf.moc
 
-$(obj)/%.moc: $(src)/%.h
-        $(KC_QT_MOC) -i $< -o $@
+quiet_cmd_moc = MOC     $@
+      cmd_moc = $(KC_QT_MOC) -i $< -o $@
+
+$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
+        $(call cmd,moc)
 
 # Extract gconf menu items for I18N support
 $(obj)/gconf.glade.h: $(obj)/gconf.glade
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 52577f052bc1..13ddf1126c2a 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -182,10 +182,66 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
         return 0;
 }
 
+#define LINE_GROWTH 16
+static int add_byte(int c, char **lineptr, size_t slen, size_t *n)
+{
+        char *nline;
+        size_t new_size = slen + 1;
+        if (new_size > *n) {
+                new_size += LINE_GROWTH - 1;
+                new_size *= 2;
+                nline = realloc(*lineptr, new_size);
+                if (!nline)
+                        return -1;
+
+                *lineptr = nline;
+                *n = new_size;
+        }
+
+        (*lineptr)[slen] = c;
+
+        return 0;
+}
+
+static ssize_t compat_getline(char **lineptr, size_t *n, FILE *stream)
+{
+        char *line = *lineptr;
+        size_t slen = 0;
+
+        for (;;) {
+                int c = getc(stream);
+
+                switch (c) {
+                case '\n':
+                        if (add_byte(c, &line, slen, n) < 0)
+                                goto e_out;
+                        slen++;
+                        /* fall through */
+                case EOF:
+                        if (add_byte('\0', &line, slen, n) < 0)
+                                goto e_out;
+                        *lineptr = line;
+                        if (slen == 0)
+                                return -1;
+                        return slen;
+                default:
+                        if (add_byte(c, &line, slen, n) < 0)
+                                goto e_out;
+                        slen++;
+                }
+        }
+
+e_out:
+        line[slen-1] = '\0';
+        *lineptr = line;
+        return -1;
+}
+
 int conf_read_simple(const char *name, int def)
 {
         FILE *in = NULL;
-        char line[1024];
+        char   *line = NULL;
+        size_t  line_asize = 0;
         char *p, *p2;
         struct symbol *sym;
         int i, def_flags;
@@ -247,7 +303,7 @@ load:
                 }
         }
 
-        while (fgets(line, sizeof(line), in)) {
+        while (compat_getline(&line, &line_asize, in) != -1) {
                 conf_lineno++;
                 sym = NULL;
                 if (line[0] == '#') {
@@ -335,6 +391,7 @@ setsym:
                         cs->def[def].tri = EXPR_OR(cs->def[def].tri, sym->def[def].tri);
                 }
         }
+        free(line);
         fclose(in);
 
         if (modules_sym)
diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh
index 82cc3a85e7f8..e3b12c010417 100644
--- a/scripts/kconfig/lxdialog/check-lxdialog.sh
+++ b/scripts/kconfig/lxdialog/check-lxdialog.sh
@@ -4,7 +4,7 @@
 # What library to link
 ldflags()
 {
-        for ext in so a dylib ; do
+        for ext in so a dll.a dylib ; do
                 for lib in ncursesw ncurses curses ; do
                         $cc -print-file-name=lib${lib}.${ext} | grep -q /
                         if [ $? -eq 0 ]; then
@@ -19,12 +19,12 @@ ldflags()
 # Where is ncurses.h?
 ccflags()
 {
-        if [ -f /usr/include/ncurses/ncurses.h ]; then
+        if [ -f /usr/include/ncursesw/curses.h ]; then
+                echo '-I/usr/include/ncursesw -DCURSES_LOC="<ncursesw/curses.h>"'
+        elif [ -f /usr/include/ncurses/ncurses.h ]; then
                 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
         elif [ -f /usr/include/ncurses/curses.h ]; then
                 echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"'
-        elif [ -f /usr/include/ncursesw/curses.h ]; then
-                echo '-I/usr/include/ncursesw -DCURSES_LOC="<ncursesw/curses.h>"'
         elif [ -f /usr/include/ncurses.h ]; then
                 echo '-DCURSES_LOC="<ncurses.h>"'
         else
diff --git a/scripts/kconfig/lxdialog/textbox.c b/scripts/kconfig/lxdialog/textbox.c
index 154c2dd245b7..4e5de60a0c0d 100644
--- a/scripts/kconfig/lxdialog/textbox.c
+++ b/scripts/kconfig/lxdialog/textbox.c
@@ -129,6 +129,7 @@ do_resize:
                 case 'e':
                 case 'X':
                 case 'x':
+                case 'q':
                         delwin(box);
                         delwin(dialog);
                         return 0;
@@ -190,6 +191,7 @@ do_resize:
                         break;
                 case 'B':       /* Previous page */
                 case 'b':
+                case 'u':
                 case KEY_PPAGE:
                         if (begin_reached)
                                 break;
@@ -214,6 +216,7 @@ do_resize:
                         break;
                 case KEY_NPAGE: /* Next page */
                 case ' ':
+                case 'd':
                         if (end_reached)
                                 break;
 
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index f606738d421d..f584a281bb4c 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -105,10 +105,10 @@ static const char mconf_readme[] = N_(
 "Text Box    (Help Window)\n"
 "--------\n"
 "o  Use the cursor keys to scroll up/down/left/right.  The VI editor\n"
-"   keys h,j,k,l function here as do <SPACE BAR> and <B> for those\n"
-"   who are familiar with less and lynx.\n"
+"   keys h,j,k,l function here as do <u>, <d>, <SPACE BAR> and <B> for \n"
+"   those who are familiar with less and lynx.\n"
 "\n"
-"o  Press <E>, <X>, <Enter> or <Esc><Esc> to exit.\n"
+"o  Press <E>, <X>, <q>, <Enter> or <Esc><Esc> to exit.\n"
 "\n"
 "\n"
 "Alternate Configuration Files\n"
diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c
index 8c0eb65978c9..1704a8562a5d 100644
--- a/scripts/kconfig/nconf.c
+++ b/scripts/kconfig/nconf.c
@@ -83,10 +83,10 @@ static const char nconf_readme[] = N_(
 "Text Box    (Help Window)\n"
 "--------\n"
 "o  Use the cursor keys to scroll up/down/left/right.  The VI editor\n"
-"   keys h,j,k,l function here as do <SPACE BAR> for those\n"
-"   who are familiar with less and lynx.\n"
+"   keys h,j,k,l function here as do <u>, <d> and <SPACE BAR> for\n"
+"   those who are familiar with less and lynx.\n"
 "\n"
-"o  Press <Enter>, <F1>, <F5>, <F7> or <Esc> to exit.\n"
+"o  Press <Enter>, <F1>, <F5>, <F9>, <q> or <Esc> to exit.\n"
 "\n"
 "\n"
 "Alternate Configuration Files\n"
@@ -1503,7 +1503,11 @@ int main(int ac, char **av)
         }
 
         notimeout(stdscr, FALSE);
+#if NCURSES_REENTRANT
+        set_escdelay(1);
+#else
         ESCDELAY = 1;
+#endif
 
         /* set btns menu */
         curses_menu = new_menu(curses_menu_items);
diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c
index 3b18dd839668..379003c7a2b4 100644
--- a/scripts/kconfig/nconf.gui.c
+++ b/scripts/kconfig/nconf.gui.c
@@ -604,9 +604,11 @@ void show_scroll_win(WINDOW *main_window,
                 switch (res) {
                 case KEY_NPAGE:
                 case ' ':
+                case 'd':
                         start_y += text_lines-2;
                         break;
                 case KEY_PPAGE:
+                case 'u':
                         start_y -= text_lines+2;
                         break;
                 case KEY_HOME:
@@ -632,10 +634,10 @@ void show_scroll_win(WINDOW *main_window,
                         start_x++;
                         break;
                 }
-                if (res == 10 || res == 27 || res == 'q'
-                    || res == KEY_F(F_BACK) || res == KEY_F(F_EXIT)) {
+                if (res == 10 || res == 27 || res == 'q' ||
+                        res == KEY_F(F_HELP) || res == KEY_F(F_BACK) ||
+                        res == KEY_F(F_EXIT))
                         break;
-                }
                 if (start_y < 0)
                         start_y = 0;
                 if (start_y >= total_lines-text_lines)