[Buildroot] [PATCH 3/3] eglibc/arm: doesn't build in thumb(1) mode
Gustavo Zacarias
gustavo at zacarias.com.ar
Thu Jul 18 16:07:39 UTC 2013
It runs out of registers, so build it in ARM mode, EABI mandates
interworking so this isn't an issue.
Tested in an arm920t board.
Signed-off-by: Gustavo Zacarias <gustavo at zacarias.com.ar>
---
package/eglibc/eglibc.mk | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/package/eglibc/eglibc.mk b/package/eglibc/eglibc.mk
index ccdc210..d91a2e2 100644
--- a/package/eglibc/eglibc.mk
+++ b/package/eglibc/eglibc.mk
@@ -23,6 +23,11 @@ EGLIBC_INSTALL_STAGING = YES
EGLIBC_INSTALL_STAGING_OPT = install_root=$(STAGING_DIR) install
+# Thumb build is broken, build in ARM mode
+ifeq ($(BR2_ARM_INSTRUCTIONS_THUMB),y)
+EGLIBC_EXTRA_CFLAGS += -marm
+endif
+
# Even though we use the autotools-package infrastructure, we have to
# override the default configure commands for several reasons:
#
@@ -36,7 +41,8 @@ define EGLIBC_CONFIGURE_CMDS
# Do the configuration
(cd $(@D)/build; \
$(TARGET_CONFIGURE_OPTS) \
- CFLAGS="-O2" CPPFLAGS="" CXXFLAGS="-O2" \
+ CFLAGS="-O2 $(EGLIBC_EXTRA_CFLAGS)" CPPFLAGS="" \
+ CXXFLAGS="-O2 $(EGLIBC_EXTRA_CFLAGS)" \
$(SHELL) $(@D)/libc/configure \
ac_cv_path_BASH_SHELL=/bin/bash \
libc_cv_forced_unwind=yes \
--
1.8.1.5
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