build: don't run any ${host} binaries while checking for readline.

[ginac.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index b592220b4263f7236e133f630de975cefc054061..ab4c4b6a1a649d8ffd5cb047840ab8af4c3124cc 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -44,8 +44,8 @@ dnl The version number in newly created archives will be ARCHIVE_VERSION.
 dnl Archives version (ARCHIVE_VERSION-ARCHIVE_AGE) thru ARCHIVE_VERSION can
 dnl be read by this version of the GiNaC library.
 
-ARCHIVE_VERSION=2
-ARCHIVE_AGE=2
+ARCHIVE_VERSION=3
+ARCHIVE_AGE=3
 
 AC_SUBST(ARCHIVE_VERSION)
 AC_SUBST(ARCHIVE_AGE)
@@ -85,22 +85,7 @@ AC_LANG([C++])
 dnl Check for stuff needed for building the GiNaC interactive shell (ginsh).
 AC_CHECK_HEADERS(unistd.h)
 GINAC_HAVE_RUSAGE
-AC_CHECK_HEADERS(readline/readline.h readline/history.h)
-if test "x${ac_cv_header_readline_readline_h}" != "xyes" -o "x${ac_cv_header_readline_history_h}" != "xyes"; then
-  GINAC_WARNING([I could not find the headers for libreadline (needed for building ginsh).])
-fi
-GINAC_TERMCAP
-save_LIBS=$LIBS
-LIBS="$LIBTERMCAP $LIBS"
-AC_CHECK_LIB(readline, readline)
-if test "x${ac_cv_lib_readline_readline}" = "xyes"; then
-  GINAC_LIB_READLINE_VERSION
-else
-  GINAC_WARNING([I could not find libreadline (needed by ginsh).])
-fi
-GINSH_LIBS=$LIBS
-LIBS=$save_LIBS
-AC_SUBST(GINSH_LIBS)
+GINAC_READLINE
 
 dnl Make sure all the necessary standard headers are installed on the system.
 AC_CHECK_HEADER(iosfwd, , GINAC_ERROR([The standard <iosfwd> header file could not be found.]))
@@ -149,6 +134,10 @@ AM_CONDITIONAL(CONFIG_TEX, [test ! \( -z "$LATEX" -o -z $"PDFLATEX" -o -z "$MAKE
 AC_PATH_PROG(FIG2DEV, fig2dev, "")
 AM_CONDITIONAL(CONFIG_FIG2DEV, [test ! -z "$FIG2DEV"])
 
+dnl generate boilerplate code for the (new) parser.
+dnl Only developers need this tool.
+AC_PATH_PROG(AUTOGEN, autogen, "")
+
 dnl Output makefiles etc.
 AC_CONFIG_FILES([
 Makefile