-have_tputs_et_al=true
-AC_SEARCH_LIBS(tputs, [ncurses terminfo termcap], , have_tputs_et_al=false)
-if test "$have_tputs_et_al" != true; then
- AC_MSG_ERROR([I couldn't find termcap functions (tputs and friends).
-Maybe some development libraries/packages are missing? Try installing
-libncurses-dev(el), libterminfo-dev(el) or similar.])
+AC_MSG_CHECKING([for library containing tputs])
+# Run a test program that contains a call to tputs, a call that is
+# never executed. This tests whether a pre-'main' dynamic linker
+# works with the library. It's too much trouble to actually call
+# tputs in the test program, due to portability hassles. When
+# cross-compiling, assume the test program will run if it links.
+AC_DEFUN([tputs_link_source], [
+ AC_LANG_SOURCE(
+ [[extern void tputs (const char *, int, int (*)(int));
+ int main (int argc, char **argv)
+ {
+ if (argc == 10000)
+ tputs (argv[0], 0, 0);
+ return 0;
+ }]])
+])
+# Maybe curses should be tried earlier?
+# See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9736#35
+for tputs_library in '' ncurses terminfo termcap curses; do
+ OLIBS=$LIBS
+ if test -z "$tputs_library"; then
+ LIBS_TERMCAP=
+ msg='none required'
+ else
+ LIBS_TERMCAP=-l$tputs_library
+ msg=$LIBS_TERMCAP
+ LIBS="$LIBS_TERMCAP $LIBS"
+ fi
+ AC_RUN_IFELSE([tputs_link_source], [], [msg=no],
+ [AC_LINK_IFELSE([tputs_link_source], [], [msg=no])])
+ LIBS=$OLIBS
+ if test "X$msg" != Xno; then
+ break
+ fi
+done
+AC_MSG_RESULT([$msg])
+if test "X$msg" = Xno; then
+ AC_MSG_ERROR([The required function `tputs' was not found in any library.
+These libraries were tried: libncurses, libterminfo, libtermcap, libcurses.
+Please try installing whichever of these libraries is most appropriate
+for your system, together with its header files.
+For example, a libncurses-dev(el) or similar package.])