+dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
+dnl ------------
+dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
+dnl a monocase filesystem.
+AC_DEFUN([CF_MAKE_TAGS],[
+AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
+
+AC_CHECK_PROGS(CTAGS, exctags ctags)
+AC_CHECK_PROGS(ETAGS, exetags etags)
+
+AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
+
+if test "$cf_cv_mixedcase" = yes ; then
+ AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
+else
+ MAKE_UPPER_TAGS=no
+fi
+
+if test "$MAKE_UPPER_TAGS" = yes ; then
+ MAKE_UPPER_TAGS=
+else
+ MAKE_UPPER_TAGS="#"
+fi
+
+if test "$MAKE_LOWER_TAGS" = yes ; then
+ MAKE_LOWER_TAGS=
+else
+ MAKE_LOWER_TAGS="#"
+fi
+
+AC_SUBST(CTAGS)
+AC_SUBST(ETAGS)
+
+AC_SUBST(MAKE_UPPER_TAGS)
+AC_SUBST(MAKE_LOWER_TAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MATH_LIB version: 8 updated: 2010/05/29 16:31:02
+dnl -----------
+dnl Checks for libraries. At least one UNIX system, Apple Macintosh
+dnl Rhapsody 5.5, does not have -lm. We cannot use the simpler
+dnl AC_CHECK_LIB(m,sin), because that fails for C++.
+AC_DEFUN([CF_MATH_LIB],
+[
+AC_CACHE_CHECK(if -lm needed for math functions,
+ cf_cv_need_libm,[
+ AC_TRY_LINK([
+ #include <stdio.h>
+ #include <math.h>
+ ],
+ [double x = rand(); printf("result = %g\n", ]ifelse([$2],,sin(x),$2)[)],
+ [cf_cv_need_libm=no],
+ [cf_cv_need_libm=yes])])
+if test "$cf_cv_need_libm" = yes
+then
+ifelse($1,,[
+ CF_ADD_LIB(m)
+],[$1=-lm])
+fi
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_MIN_GETCCHAR version: 3 updated: 2010/10/23 15:54:49
+dnl ---------------
+dnl CF_MIN_GETCCHAR
+dnl Check whether getcchar's return value counts the trailing null in a wchar_t
+dnl string, or not. X/Open says it does, but Tru64 and Solaris do not do this.
+AC_DEFUN([CF_MIN_GETCCHAR],[
+AC_CACHE_CHECK(if getcchar counts trailing null,cf_cv_min_getcchar,[
+AC_TRY_RUN([
+#include <stdlib.h>
+#include <stdarg.h>
+#include <${cf_cv_ncurses_header:-curses.h}>
+
+int main()
+{
+ wchar_t data[2];
+ cchar_t temp[2];
+ int count;
+ data[0] = L'\0';
+ setcchar(temp, data, 0, 0, (void *)0);
+ count = getcchar(temp, (wchar_t *)0, (attr_t *)0, (short *)0, (void *)0);
+ ${cf_cv_main_return:-return}(count != 0);
+}],
+ [cf_cv_min_getcchar=no],
+ [cf_cv_min_getcchar=yes],
+ [cf_cv_min_getcchar=yes])
+])
+if test "$cf_cv_min_getcchar" = yes ; then
+ AC_DEFINE(MIN_GETCCHAR,1)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MIXEDCASE_FILENAMES version: 3 updated: 2003/09/20 17:07:55
+dnl ----------------------
+dnl Check if the file-system supports mixed-case filenames. If we're able to
+dnl create a lowercase name and see it as uppercase, it doesn't support that.
+AC_DEFUN([CF_MIXEDCASE_FILENAMES],
+[
+AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
+if test "$cross_compiling" = yes ; then
+ case $target_alias in #(vi
+ *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-mingw32*|*-uwin*) #(vi
+ cf_cv_mixedcase=no
+ ;;
+ *)
+ cf_cv_mixedcase=yes
+ ;;
+ esac
+else
+ rm -f conftest CONFTEST
+ echo test >conftest
+ if test -f CONFTEST ; then
+ cf_cv_mixedcase=no
+ else
+ cf_cv_mixedcase=yes
+ fi
+ rm -f conftest CONFTEST
+fi
+])
+test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32