From 0315cef04a5a8a953072691faa48af9acb6009bd Mon Sep 17 00:00:00 2001
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From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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Date: Tue, 10 Aug 2021 13:39:58 +0200
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Subject: [PATCH] include/flatbuffers/base.h: fix build on musl
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Build of applications using flatbuffers such as snort3 are broken on
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musl since version 1.11.0 and
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https://github.com/google/flatbuffers/commit/5f32f948102e65eaeea461b44f3b43f96c7a7a5a
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because strtoll_l (and strtoull_l) are not available on musl.
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flatbuffers checks for the availability of strtoull_l in CMakeLists.txt
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so flatbuffers builds successfully but for applications using
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flatbuffers, the result of this check is not available and
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FLATBUFFERS_LOCALE_INDEPENDENT is set to 1 resulting in the following
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build failure:
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In file included from /tmp/instance-0/output-1/host/x86_64-buildroot-linux-musl/sysroot/usr/include/flatbuffers/flexbuffers.h:24,
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from /tmp/instance-0/output-1/host/x86_64-buildroot-linux-musl/sysroot/usr/include/flatbuffers/idl.h:26,
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from /tmp/instance-0/output-1/build/snort3-3.1.6.0/src/network_inspectors/perf_monitor/fbs_formatter.cc:29:
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/tmp/instance-0/output-1/host/x86_64-buildroot-linux-musl/sysroot/usr/include/flatbuffers/util.h: In function 'void flatbuffers::strtoval_impl(int64_t*, const char*, char**, int)':
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/tmp/instance-0/output-1/host/x86_64-buildroot-linux-musl/sysroot/usr/include/flatbuffers/util.h:258:12: error: 'strtoll_l' was not declared in this scope; did you mean 'strcoll_l'?
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258 | *val = __strtoll_impl(str, endptr, base);
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| ^~~~~~~~~~~~~~
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Fix this failure by checking if __GNUC__ is defined before setting
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FLATBUFFERS_LOCALE_INDEPENDENT to 1.
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Fixes:
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- http://autobuild.buildroot.org/results/68045b83e94f8caa337b1af7ed5f493ac1a55c47
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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[Upstream status: https://github.com/google/flatbuffers/pull/6773]
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---
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include/flatbuffers/base.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/include/flatbuffers/base.h b/include/flatbuffers/base.h
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index de7898dc..101c7598 100644
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--- a/include/flatbuffers/base.h
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+++ b/include/flatbuffers/base.h
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@@ -266,7 +266,7 @@ namespace flatbuffers {
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#ifndef FLATBUFFERS_LOCALE_INDEPENDENT
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// Enable locale independent functions {strtof_l, strtod_l,strtoll_l, strtoull_l}.
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#if ((defined(_MSC_VER) && _MSC_VER >= 1800) || \
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- (defined(_XOPEN_VERSION) && (_XOPEN_VERSION>=700)) && (!defined(__ANDROID_API__) || (defined(__ANDROID_API__) && (__ANDROID_API__>=21))))
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+ (defined(__GLIBC__) && defined(_XOPEN_VERSION) && (_XOPEN_VERSION>=700)) && (!defined(__ANDROID_API__) || (defined(__ANDROID_API__) && (__ANDROID_API__>=21))))
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#define FLATBUFFERS_LOCALE_INDEPENDENT 1
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#else
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#define FLATBUFFERS_LOCALE_INDEPENDENT 0
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--
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2.30.2
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