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Commit 484f768d authored by Florian Fainelli's avatar Florian Fainelli
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elfutils: Pass -Wno-unused-result to silence warnings as errors


elfutils turns on -Werror by default, and patch 100-musl-compat.patch
changes how strerror_r is used and we no longer use the function's
return value. This causes the following build error/warning to occur
with glibc-based toolchains:

dwfl_error.c: In function 'dwfl_errmsg':
dwfl_error.c:158:18: error: ignoring return value of 'strerror_r',
declared with attribute warn_unused_result [-Werror=unused-result]
       strerror_r (error & 0xffff, s, sizeof(s));
                  ^
cc1: all warnings being treated as errors

Fixing this would be tricky as there are two possible signatures for
strerror_r (XSI and GNU), just turn off unused-result warnings instead.

Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
parent b32689af
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......@@ -68,7 +68,7 @@ endif
CONFIGURE_ARGS += \
--without-lzma
TARGET_CFLAGS += -D_GNU_SOURCE
TARGET_CFLAGS += -D_GNU_SOURCE -Wno-unused-result
define Build/InstallDev
$(INSTALL_DIR) $(1)/usr/include
......
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