1 files changed, 134 insertions, 0 deletions
diff --git a/macros/gnome-guile-checks.m4 b/macros/gnome-guile-checks.m4
new file mode 100644
index 0000000000..102351cffd
--- /dev/null
+++ b/macros/gnome-guile-checks.m4
@@ -0,0 +1,134 @@
+dnl
+dnl GNOME_CHECK_GUILE (failflag)
+dnl
+dnl if failflag is "fail" then GNOME_CHECK_GUILE will abort if guile is not found.
+dnl
+
+AC_DEFUN([GNOME_CHECK_GUILE],
+[
+dnl	AC_MSG_WARN([Withval is: $withval])
+	guile_msg = 'Huh?'
+if test x$withval = xno ; then
+	guile_msg = 'disabled'
+	GUILE_LIBS=
+	GUILE_INCS=
+	AC_SUBST(GUILE_LIBS)
+	AC_SUBST(GUILE_INCS)
+	AM_CONDITIONAL(GUILE, /bin/false)
+else
+	guile_msg="no"
+
+	saved_ldflags="$LDFLAGS"
+	saved_cppflags="$CPPFLAGS"
+	LDFLAGS="$LDFLAGS $GNOME_LIBDIR"
+
+	AC_CHECK_LIB(qthreads,qt_null,[
+		QTTHREADS_LIB="-lqthreads"
+	],[
+		AC_CHECK_LIB(qt, qt_null, QTTHREADS_LIB="-lqt")
+	],$LIBS)
+	AC_SUBST(QTTHREADS_LIB)
+
+	AC_CHECK_LIB(termcap,main,TERMCAP_LIB="-ltermcap")
+	AC_CHECK_LIB(readline,main,READLINE_LIB="-lreadline",,$TERMCAP_LIB)
+
+	AC_SUBST(TERMCAP_LIB)
+	AC_SUBST(READLINE_LIB)
+
+	if test "x$cross_compiling" = "xyes" ; then
+	  name_build_guile="$target_alias-guile-config"
+	else
+	  name_build_guile="guile-config"
+	fi
+
+	AC_CHECK_PROG(BUILD_GUILE, $name_build_guile, yes, no)
+
+	if test "x$BUILD_GUILE" = "xyes"; then
+	    AC_MSG_CHECKING(whether $name_build_guile works)
+	    if test x`$name_build_guile --version >/dev/null 2>&1 || \
+		echo no` = xno; then
+		BUILD_GUILE=no
+	    fi
+	    AC_MSG_RESULT($BUILD_GUILE)
+	else
+
+	    if test "x$cross_compiling" = "xyes" ; then
+		name_build_guile="$target_alias-build-guile"
+	    else	
+		name_build_guile="build-guile"
+	    fi
+
+	    AC_CHECK_PROG(BUILD_GUILE, $name_build_guile, yes, no)
+
+	    if test "x$BUILD_GUILE" = "xyes"; then
+		AC_MSG_CHECKING(whether $name_build_guile works)
+		if test x`$name_build_guile --version >/dev/null 2>&1 || \
+	 	    echo no` = xno; then
+		    BUILD_GUILE=no
+		fi
+		AC_MSG_RESULT($BUILD_GUILE)
+	    fi
+	fi
+
+	AC_CHECK_LIB(m, sin)
+
+	if test "x$BUILD_GUILE" = "xyes"; then
+		AC_MSG_CHECKING(for guile libraries)
+		GUILE_LIBS="`$name_build_guile link`"
+		AC_MSG_RESULT($GUILE_LIBS)
+		AC_MSG_CHECKING(for guile headers)
+		GUILE_INCS="`$name_build_guile compile`"
+		AC_MSG_RESULT($GUILE_INCS)
+	else
+		GUILE_LIBS="$GNOME_LIBDIR"
+		GUILE_INCS="$GNOME_INCLUDEDIR"
+		AC_CHECK_LIB(rx, main, GUILE_LIBS="-lrx $GUILE_LIBS")
+		AC_CHECK_LIB(qt, qt_null, GUILE_LIBS="-lqt $GUILE_LIBS")
+		AC_CHECK_LIB(dl, dlopen, GUILE_LIBS="-ldl $GUILE_LIBS")
+		AC_CHECK_LIB(nsl, t_accept, GUILE_LIBS="$GUILE_LIBS -lnsl")
+		AC_CHECK_LIB(socket, socket, GUILE_LIBS="$GUILE_LIBS -lsocket")
+		GUILE_LIBS="-lguile $GUILE_LIBS $QTTHREADS_LIB $READLINE_LIB $TERMCAP_LIB"
+	fi
+
+	AC_SUBST(GUILE_LIBS)
+	AC_SUBST(GUILE_INCS)
+
+	saved_LIBS="$LIBS"
+	LIBS="$LIBS $GUILE_LIBS"
+	CPPFLAGS="$saved_cppflags $GUILE_INCS"
+
+	AC_MSG_CHECKING(whether guile works)
+	AC_TRY_LINK([
+		#include <libguile.h>
+		#include <guile/gh.h>
+	],[
+		gh_eval_str("(newline)");
+		scm_boot_guile(0,NULL,NULL,NULL);
+	],[
+		ac_cv_guile_found=yes
+		AC_DEFINE(HAVE_GUILE)
+	],[
+		ac_cv_guile_found=no
+	])
+	AC_MSG_RESULT($ac_cv_guile_found)
+
+	guile_msg=$ac_cv_guile_found
+
+	if test x$ac_cv_guile_found = xno ; then
+		if test x$1 = xfail ; then
+		  AC_MSG_ERROR(Can not find Guile on this system)
+		else
+		  AC_MSG_WARN(Can not find Guile on this system)
+		fi
+		ac_cv_guile_found=no
+		GUILE_LIBS= GUILE_INCS=
+	fi
+
+	LIBS="$saved_LIBS"
+	LDFLAGS="$saved_ldflags"
+	CPPFLAGS="$saved_cppflags"
+
+	AC_SUBST(GUILE_LIBS)
+	AM_CONDITIONAL(GUILE, test x$ac_cv_guile_found = xyes)
+fi
+])