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authorJim Blandy <jimb@red-bean.com>1997-02-04 21:59:23 +0000
committerJim Blandy <jimb@red-bean.com>1997-02-04 21:59:23 +0000
commit48b96f4b0418d2bebeaa5c49a9aa51270ab86415 (patch)
tree6bc4f24e55990982d55ada31ebb68fa0a4968ddd /libguile/eval.c
parent03bc4386431ce688ae9e59db6bdbcee421738843 (diff)
downloadguile-48b96f4b0418d2bebeaa5c49a9aa51270ab86415.tar.gz
* configure.in: Call AC_FUNC_ALLOCA, to see if we have alloca.
* eval.c: Add necessary CPP cruft to support that. * configure, Makefile.in: regenerated.
Diffstat (limited to 'libguile/eval.c')
-rw-r--r--libguile/eval.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/libguile/eval.c b/libguile/eval.c
index 44b51768c..d9129dcbc 100644
--- a/libguile/eval.c
+++ b/libguile/eval.c
@@ -54,6 +54,25 @@
#ifndef DEVAL
+/* AIX requires this to be the first thing in the file. The #pragma
+ directive is indented so pre-ANSI compilers will ignore it, rather
+ than choke on it. */
+#ifdef __GNUC__
+# define alloca __builtin_alloca
+#else
+# if HAVE_ALLOCA_H
+# include <alloca.h>
+# else
+# ifdef _AIX
+ #pragma alloca
+# else
+# ifndef alloca /* predefined by HP cc +Olibcalls */
+char *alloca ();
+# endif
+# endif
+# endif
+#endif
+
#include <stdio.h>
#include "_scm.h"
#include "debug.h"