[Buildroot] [PATCH 20/27] package/dmalloc: re-enable package on microblaze
Giulio Benetti
giulio.benetti at micronovasrl.com
Fri Jun 14 21:03:39 UTC 2019
With Microblaze Gcc version < 8.x build gives:
'Error: operation combines symbols in different segments'
This is due to bug 63261:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63261. To avoid this,
the dmalloc package has a !BR2_microblaze dependency. However, gcc bug
63261 only triggers when optimization is enabled, so we can work around
the issue by passing -O0, which is what we do in other Buildroot
packages to work around this bug.
So, this commit passes -O0 when BR2_TOOLCHAIN_HAS_GCC_BUG_63261, and
re-enables dmalloc on Microblaze.
Signed-off-by: Giulio Benetti <giulio.benetti at micronovasrl.com>
---
package/dmalloc/Config.in | 4 ----
package/dmalloc/dmalloc.mk | 4 ++++
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/package/dmalloc/Config.in b/package/dmalloc/Config.in
index e5be109332..0c01970b04 100644
--- a/package/dmalloc/Config.in
+++ b/package/dmalloc/Config.in
@@ -1,9 +1,5 @@
config BR2_PACKAGE_DMALLOC
bool "dmalloc"
- # On some packages, Microblaze gcc has issues when debugging
- # symbols are enabled: "Error: operation combines symbols in
- # different segments".
- depends on !(BR2_microblaze && BR2_ENABLE_DEBUG)
help
A debug memory allocation library which is a drop in
replacement for the system's malloc, realloc, calloc, free and
diff --git a/package/dmalloc/dmalloc.mk b/package/dmalloc/dmalloc.mk
index 6ebb44c5c0..38b2c02027 100644
--- a/package/dmalloc/dmalloc.mk
+++ b/package/dmalloc/dmalloc.mk
@@ -35,6 +35,10 @@ ifeq ($(BR2_ARM_INSTRUCTIONS_THUMB),y)
DMALLOC_CFLAGS += -marm
endif
+ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_63261),y)
+DMALLOC_CFLAGS += -O0
+endif
+
DMALLOC_CONF_ENV = CFLAGS="$(DMALLOC_CFLAGS)"
define DMALLOC_POST_PATCH
--
2.17.1
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