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authorBarton E. Schaefer <schaefer@zsh.org>2014-07-24 08:45:16 -0700
committerBarton E. Schaefer <schaefer@zsh.org>2014-07-24 08:45:16 -0700
commit2f0efe9f592255d0d83c0929423cc397bb1ebfa4 (patch)
tree822e7444d47471c8eafe0b27e2150822b72ac9ec /configure.ac
parent77119afe19a781251e77a369db1dc9c8556055a0 (diff)
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32853: redefine VARARR() to use heap rather than stack allocation
enable old behavior via "configure --with-stack-allocation"
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac10
1 files changed, 10 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 0f87a6c88..37f35858f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -140,6 +140,16 @@ AC_HELP_STRING([--enable-zsh-hash-debug], [turn on debugging of internal hash ta
   AC_DEFINE(ZSH_HASH_DEBUG)
 fi])
 
+dnl Do you want to dynamically allocate memory on the stack where possible?
+ifdef([stack-allocation],[undefine([stack-allocation])])dnl
+AH_TEMPLATE([USE_STACK_ALLOCATION],
+[Define to 1 if you want to allocate stack memory e.g. with `alloca'.])
+AC_ARG_ENABLE(stack-allocation,
+AC_HELP_STRING([--enable-stack-allocation], [allocate stack memory e.g. with `alloca']),
+[if test x$enableval = xyes; then
+  AC_DEFINE(USE_STACK_ALLOCATION)
+fi])
+
 dnl Pathnames for global zsh scripts
 ifdef([etcdir],[undefine([etcdir])])dnl
 AC_ARG_ENABLE(etcdir,