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strace: fix build with BR2_LARGEFILE

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http://autobuild.buildroot.net/results/4ce0ce4dcb917889ef70208bd4bac63851c1fb92

Strace gets confused when built with -D_FILE_OFFSET_BITS=64 (which
transparently uses the lfs versions of functions/types), so strip this
from compiler/preprocessor flags.

Inspired by Gentoo who does the same:
http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/dev-util/strace/strace-4.7.ebuild

Tested using qemu_arm_versatile_defconfig and the following command line:
strace dd if=/dev/zero bs=1M skip=5000 count=1 of=/dev/null

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Peter Korsgaard 2012-10-29 21:35:10 +01:00
parent 6fce747d08
commit 23f6455bff
1 changed files with 7 additions and 0 deletions
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7
package/strace/strace.mk
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@ -12,6 +12,13 @@ STRACE_CONF_ENV = ac_cv_header_linux_if_packet_h=yes \
ac_cv_header_linux_netlink_h=yes \
$(if $(BR2_LARGEFILE),ac_cv_type_stat64=yes,ac_cv_type_stat64=no)
ifeq ($(BR2_LARGEFILE),y)
# strace gets confused when lfs mode is forced, so don't
STRACE_CONF_ENV += \
CFLAGS="$(filter-out -D_FILE_OFFSET_BITS=64,$(TARGET_CFLAGS))" \
CPPFLAGS="$(filter-out -D_FILE_OFFSET_BITS=64,$(TARGET_CPPFLAGS))"
endif
define STRACE_REMOVE_STRACE_GRAPH
rm -f $(TARGET_DIR)/usr/bin/strace-graph
endef