dnl they don't export the version to the preprocessor so we could kluge around
dnl incomatiblities. The only reliable way to figure out the version is by
dnl checking the extern variable rl_library_version at runtime. &#@$%*!
-AC_DEFUN(GINAC_RLVERSION,
+AC_DEFUN(GINAC_LIB_READLINE_VERSION,
[AC_CACHE_CHECK([for version of libreadline], ginac_cv_rlversion, [
AC_TRY_RUN([
#include <stdio.h>
fd = fopen("conftest.out", "w");
fprintf(fd, "%s\n", rl_library_version);
fclose(fd);
- exit(0);
-}], ginac_cv_rlversion=`cat 'conftest.out'`, ginac_cv_rlversion='unknown', ginac_cv_rlversion='4.2')
+ return 0;
+}], ginac_cv_rlversion=`cat 'conftest.out'`, ginac_cv_rlversion='unknown', ginac_cv_rlversion='4.2')])
if test "x${ginac_cv_rlversion}" != "xunknown"; then
- RLVERSION_MAJOR=`echo ${ginac_cv_rlversion} | sed -e 's/\([[0-9]]\)\.\([[0-9]]\)/\1/'`
- AC_DEFINE_UNQUOTED(GINAC_RLVERSION_MAJOR, $RLVERSION_MAJOR)
- RLVERSION_MINOR=`echo ${ginac_cv_rlversion} | sed -e 's/\([[0-9]]\)\.\([[0-9]]\)/\2/'`
- AC_DEFINE_UNQUOTED(GINAC_RLVERSION_MINOR, $RLVERSION_MINOR)
+ RL_VERSION_MAJOR=`echo ${ginac_cv_rlversion} | sed -e 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
+ AC_DEFINE_UNQUOTED(GINAC_RL_VERSION_MAJOR, $RL_VERSION_MAJOR, [Major version of installed readline library.])
+ RL_VERSION_MINOR=`echo ${ginac_cv_rlversion} | sed -e 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
+ AC_DEFINE_UNQUOTED(GINAC_RL_VERSION_MINOR, $RL_VERSION_MINOR, [Minor version of installed readline library.])
else
- GINAC_WARNING([I could not run a test of libreadline (needed for building ginsh ginsh).])
+ GINAC_WARNING([I could not run a test of libreadline (needed for building ginsh).])
fi
-])])
+])
dnl Usage: GINAC_TERMCAP
dnl libreadline is based on the termcap functions.
if test "x${ginac_warning_txt}" != "x"; then
echo "${ginac_warning_txt}"
fi
- echo "deleting cache ${cache_file}"
- rm -f $cache_file
+ if test "x$cache_file" != "x/dev/null"; then
+ echo "deleting cache ${cache_file}"
+ rm -f $cache_file
+ fi
else
if test x$ginac_warning = xyes; then
echo "=== The following minor problems have been detected by configure."