diff --git a/packages/devel/flex/patches/flex-001-plex.malloc.patch b/packages/devel/flex/patches/flex-001-plex.malloc.patch
new file mode 100644
index 0000000000..54422ab7b5
--- /dev/null
+++ b/packages/devel/flex/patches/flex-001-plex.malloc.patch
@@ -0,0 +1,15 @@
+--- a/configure.ac	2015-02-10 15:21:25.466408144 +0100
++++ b/configure.ac.new	2015-02-10 15:21:08.070408144 +0100
+@@ -106,9 +106,9 @@
+ 
+ AC_FUNC_ALLOCA
+ AC_FUNC_FORK
+-AC_FUNC_MALLOC
+-AC_FUNC_REALLOC
+-AC_CHECK_FUNCS([dup2 isascii memset pow regcomp setlocale strchr strtol])
++# AC_FUNC_MALLOC
++# AC_FUNC_REALLOC
++AC_CHECK_FUNCS([malloc realloc dup2 isascii memset pow regcomp setlocale strchr strtol])
+ 
+ AC_CONFIG_FILES(
+ Makefile