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trace-cmd: fix largefile build problem

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The source files of trace-cmd already define _LARGEFILE64_SOURCE, but
Buildroot passes it again on the build command line through CFLAGS,
which causes a build error. We fix this by filtering out our
definition of _LARGEFILE64_SOURCE from the CFLAGS before passing them
to the trace-cmd Makefile.

Fixes the warning visible at:

 http://autobuild.buildroot.net/results/1c4567a230940a5287d03e2a5c2c7afbdc64cd36/build-end.log

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Thomas Petazzoni 2013-09-30 23:20:44 +02:00 committed by Peter Korsgaard
parent 498ba363e0
commit c07f1ce0ec
1 changed files with 5 additions and 1 deletions
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6
package/trace-cmd/trace-cmd.mk
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@ -11,9 +11,13 @@ TRACE_CMD_INSTALL_STAGING = YES
TRACE_CMD_LICENSE = GPLv2 LGPLv2.1
TRACE_CMD_LICENSE_FILES = COPYING COPYING.LIB
# trace-cmd already defines _LARGEFILE64_SOURCE when necessary,
# redefining it on the command line causes build problems.
TRACE_CMD_CFLAGS=$(filter-out -D_LARGEFILE64_SOURCE,$(TARGET_CFLAGS)) -D_GNU_SOURCE
define TRACE_CMD_BUILD_CMDS
$(MAKE) $(TARGET_CONFIGURE_OPTS) \
CFLAGS="$(TARGET_CFLAGS) -D_GNU_SOURCE" \
CFLAGS="$(TRACE_CMD_CFLAGS)" \
-C $(@D) all
endef