configure: better isolate libraries search results

[kconfig-frontends] / configure.ac

diff --git a/configure.ac b/configure.ac
index e80afad832e55bb27014d2276b6c820fbfb5dedf..ac7b4c0eec4f92b557a0f869c8d3cf881ef770eb 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -42,10 +42,7 @@ AC_ARG_ENABLE(
                [# Escape the $ signs, otherwise they would get munged by make
                 # Also, append a space at the end, to separate the package
                 # name from the literal 'Configuration'
-                root_menu="$( echo "$enableval"          \
-                              |sed -r -e 's/\$/\\$$/g;'  \
-                                      -e 's/$/ /;'       \
-                            )"])])
+                root_menu="$( echo "$enableval" |sed -r -e 's/\$/\\$$/g;' )"])])
 AC_SUBST([root_menu], [${root_menu=Configuration}])
 
 AC_ARG_ENABLE(
@@ -193,6 +190,7 @@ AS_IF(
     [AC_SUBST([CURSES_LOC])
      AC_SUBST([ncurses_LIBS])
      LIBS_old="$LIBS"
+     LIBS=
      AC_CHECK_HEADERS(
         [ncurses/ncurses.h ncurses/curses.h ncursesw/curses.h ncurses.h curses.h],
         [CURSES_LOC=$ac_header; break])
@@ -225,10 +223,12 @@ AS_IF(
     [test "$need_panel_menu" = "yes" -o "$need_panel_menu" = "auto"],
     [AC_SUBST([ncurses_extra_LIBS])
      LIBS_old="$LIBS"
+     LIBS=
      AC_SEARCH_LIBS(
         [new_panel],
         [panelw panel],
-        [ac_ct_panel_lib_found=yes; break])
+        [ac_ct_panel_lib_found=yes; break],,
+        [$ncurses_LIBS])
      AS_IF(
         [test -z "$ac_ct_panel_lib_found"],
         [AS_IF(
@@ -238,7 +238,8 @@ AS_IF(
      AC_SEARCH_LIBS(
         [menu_init],
         [menuw menu],
-        [ac_ct_menu_lib_found=yes; break])
+        [ac_ct_menu_lib_found=yes; break],,
+        [$ncurses_LIBS])
      AS_IF(
         [test -z "$ac_ct_panel_lib_found"],
         [AS_IF(