[Minor] Another fix for shmem detection on build

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a2c539cea0b500f426af133698d8497fbd2d1859..61b78e3a54391601081167dde75e13395f076528 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1055,7 +1055,7 @@ IF(CMAKE_SYSTEM_NAME STREQUAL "Linux")
        # In linux, we need to mount /run/shm to test which could be unavailable
        # on a build system. On the other hand, we know that linux has stupid
        # but compatible shmem support, so we assume this macro as true
-       SET(CACHE HAVE_SANE_SHMEM 1)
+       SET(HAVE_SANE_SHMEM 1)
 ELSE()
        CHECK_C_SOURCE_RUNS("
        #include <sys/mman.h>