2016-03-19 18:15 GMT+01:00 Hendrik Leppkes <h.lepp...@gmail.com>:
> The same would need to be applied for the 32-bit case as well, fwiw.
I didn't have a build environment to assert that, but now I do, and I
confirm it is needed. Patch updated.
--
Christophe
From 87e4f2a42bdb5f733d104ffba7cf70f786b72a03 Mon Sep 17 00:00:00 2001
From: Christophe Gisquet <christophe.gisq...@gmail.com>
Date: Sat, 19 Mar 2016 14:45:23 +0100
Subject: [PATCH] mingw64: configure: disable pie with debug enabled
This breaks use of gdb.
---
configure | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/configure b/configure
index e5de306..9ccd727 100755
--- a/configure
+++ b/configure
@@ -4604,10 +4604,14 @@ case $target_os in
# for dynamicbase (ASLR). Using -pie does retain the reloc section
# however ld then forgets what the entry point should be (oops) so we
# have to manually (re)set it.
- if enabled x86_32; then
+ # However, adding -pie breaks debugging through gdb at least under
+ # mingw, so let's not do this when debugging has been enabled.
+ if enabled x86_32 && disabled debug; then
add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup
elif enabled x86_64; then
- add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
+ if disabled debug; then
+ add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup
+ fi
check_ldflags -Wl,--high-entropy-va # binutils 2.25
# Set image base >4GB for extra entropy with HEASLR
add_ldexeflags -Wl,--image-base,0x140000000
--
2.7.2
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