Portable alloca for Git

diff --git a/Makefile b/Makefile
index dddaf4f287cf5cd5e99ad2587d53ba7582c51e29..03348066bc17a9ecfc908d332a199fa66af041a9 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -30,6 +30,8 @@ all::
 # Define LIBPCREDIR=/foo/bar if your libpcre header and library files are in
 # /foo/bar/include and /foo/bar/lib directories.
 #
+# Define HAVE_ALLOCA_H if you have working alloca(3) defined in that header.
+#
 # Define NO_CURL if you do not have libcurl installed.  git-http-fetch and
 # git-http-push are not built, and you cannot use http:// and https://
 # transports (neither smart nor dumb).
@@ -1099,6 +1101,10 @@ ifdef USE_LIBPCRE
        EXTLIBS += -lpcre
 endif
 
+ifdef HAVE_ALLOCA_H
+       BASIC_CFLAGS += -DHAVE_ALLOCA_H
+endif
+
 ifdef NO_CURL
        BASIC_CFLAGS += -DNO_CURL
        REMOTE_CURL_PRIMARY =