From 8e2ebc0106bb7da42bcb53f7c00e8231a8cf09a5 Mon Sep 17 00:00:00 2001 From: Philip Kaufmann Date: Tue, 14 Aug 2012 11:37:21 +0200 Subject: [PATCH] Bitcoin-Qt (Windows only): add ASLR and DEP linker flags - for extra security on Windows: enable ASLR and DEP via GCC linker flags GCC linker flag description: --dynamicbase The image base address may be relocated using address space layout randomization (ASLR). This feature was introduced with MS Windows Vista for i386 PE targets. --nxcompat The image is compatible with the Data Execution Prevention. This feature was introduced with MS Windows XP SP2 for i386 PE targets. --- bitcoin-qt.pro | 3 +++ 1 file changed, 3 insertions(+) diff --git a/bitcoin-qt.pro b/bitcoin-qt.pro index 39afee638..e15e1c1ae 100644 --- a/bitcoin-qt.pro +++ b/bitcoin-qt.pro @@ -30,6 +30,9 @@ contains(RELEASE, 1) { } } +# for extra security on Windows: enable ASLR and DEP via GCC linker flags +win32:QMAKE_LFLAGS *= -Wl,--dynamicbase -Wl,--nxcompat + # use: qmake "USE_QRCODE=1" # libqrencode (http://fukuchi.org/works/qrencode/index.en.html) must be installed for support contains(USE_QRCODE, 1) {