Revision: 54436
http://brlcad.svn.sourceforge.net/brlcad/?rev=54436&view=rev
Author: brlcad
Date: 2013-02-20 04:16:31 +0000 (Wed, 20 Feb 2013)
Log Message:
-----------
latest glibc-1.6 changed _FORTIFY_SOURCE to spew a warning if not compiling
optimized. change our build to match, adding the flag only when building
optimized (not debug like we want).
Modified Paths:
--------------
brlcad/trunk/CMakeLists.txt
Modified: brlcad/trunk/CMakeLists.txt
===================================================================
--- brlcad/trunk/CMakeLists.txt 2013-02-20 04:15:17 UTC (rev 54435)
+++ brlcad/trunk/CMakeLists.txt 2013-02-20 04:16:31 UTC (rev 54436)
@@ -1384,11 +1384,13 @@
include(${BRLCAD_CMAKE_DIR}/BRLCAD_CompilerFlags.cmake)
endif(NOT MSVC)
-# If doing a debug build, set _FORTIFY_SOURCE to 2. Provides
-# compile-time best-practice error checking on certain libc
-# functions (e.g., memcpy), and provides run-time checks on buffer
-# lengths and memory regions.
-if(${BRLCAD_DEBUG_BUILD} MATCHES "ON")
+# If doing an optimized build, set _FORTIFY_SOURCE to 2. Provides
+# compile-time best-practice error checking on certain libc functions
+# (e.g., memcpy), and provides run-time checks on buffer lengths and
+# memory regions. Unfortunately, glibc-1.6 made _FORTIFY_SOURCE spew
+# an unquellable warning if optimization is disabled so we can't tie
+# the flag to debug builds.
+if(${BRLCAD_OPTIMIZED_BUILD} MATCHES "ON")
CONFIG_H_APPEND(BRLCAD "#define _FORTIFY_SOURCE 2\n")
endif(${BRLCAD_DEBUG_BUILD} MATCHES "ON")
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