package/strace: add missing libunwind optional dependency
This improve the reproducible build. Signed-off-by: Romain Naour <romain.naour@gmail.com> [Thomas: mention the libunwind dependency as being needed for 'strace -k' in the Config.in help text, as suggested by Thomas De Schampheleire.] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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@ -7,6 +7,9 @@ config BR2_PACKAGE_STRACE
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Allows you to track what system calls a program makes
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while it is running.
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If you want 'strace -k' to work, make sure to enable the
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'libunwind' package.
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https://strace.io
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comment "strace needs a toolchain w/ headers >= 4.0 on nios2"
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@ -11,6 +11,13 @@ STRACE_LICENSE = BSD-3-Clause
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STRACE_LICENSE_FILES = COPYING
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STRACE_CONF_OPTS = --enable-mpers=check
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ifeq ($(BR2_PACKAGE_LIBUNWIND),y)
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STRACE_DEPENDENCIES += libunwind
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STRACE_CONF_OPTS += --with-libunwind
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else
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STRACE_CONF_OPTS += --without-libunwind
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endif
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define STRACE_REMOVE_STRACE_GRAPH
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rm -f $(TARGET_DIR)/usr/bin/strace-graph
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endef
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