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capnproto: new package

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Adds the capnproto package. This also builds a host variant to generate
the capnp compiler that can be used to compile message definitions into
C++ code. Includes a patch from upstream to fix an issue with uclibc.

Signed-off-by: Koen Martens <gmc@sonologic.nl>
Signed-off-by: Joel Carlson <JoelsonCarl@gmail.com>
[Thomas: only link with -latomic when BR2_TOOLCHAIN_HAS_LIBATOMIC=y.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Joel Carlson
2018-07-10 16:31:25 -06:00
committed by Thomas Petazzoni
parent efa6946d4b
commit 21fc682289
6 changed files with 85 additions and 0 deletions
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30
package/capnproto/0001-Do-not-use-execinfo-h-with-uclibc.patch Normal file
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From e651ac5febc59e3e2b5d3365ededbe5362756da2 Mon Sep 17 00:00:00 2001
From: Koen Martens <gmc@sonologic.nl>
Date: Wed, 12 Jul 2017 18:49:32 +0200
Subject: [PATCH] Do not use execinfo.h with uclibc (#511)
Upstream commit: https://github.com/capnproto/capnproto/commit/e651ac5febc59e3e2b5d3365ededbe5362756da2
Signed-off-by: Koen Martens <gmc@sonologic.nl>
Signed-off-by: Joel Carlson <JoelsonCarl@gmail.com>
---
c++/src/kj/exception.c++ | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/c++/src/kj/exception.c++ b/c++/src/kj/exception.c++
index 218f1db..339601a 100644
--- a/c++/src/kj/exception.c++
+++ b/c++/src/kj/exception.c++
@@ -33,7 +33,7 @@
#endif
#include "io.h"
-#if (__linux__ && __GLIBC__) || __APPLE__
+#if (__linux__ && __GLIBC__ && !__UCLIBC__) || __APPLE__
#define KJ_HAS_BACKTRACE 1
#include <execinfo.h>
#endif
--
2.7.4

24
package/capnproto/Config.in Normal file
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config BR2_PACKAGE_CAPNPROTO
bool "capnproto"
depends on BR2_USE_MMU
depends on BR2_HOST_GCC_AT_LEAST_4_8 # C++11
depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 # C++11
depends on BR2_INSTALL_LIBSTDCPP
depends on BR2_TOOLCHAIN_HAS_THREADS
depends on BR2_TOOLCHAIN_HAS_ATOMIC
help
Cap'n Proto is an insanely fast data interchange format
and capability-based RPC system. Think JSON, except
binary. Or think Protocol Buffers, except faster. In
fact, in benchmarks, Cap’n Proto is INFINITY TIMES
faster than Protocol Buffers.
https://capnproto.org/index.html
comment "capnproto needs host and target gcc >= 4.8 w/ C++, threads, atomic"
depends on BR2_USE_MMU
depends on !BR2_HOST_GCC_AT_LEAST_4_8 || \
!BR2_TOOLCHAIN_GCC_AT_LEAST_4_8 || \
!BR2_INSTALL_LIBSTDCPP || \
!BR2_TOOLCHAIN_HAS_THREADS || \
!BR2_TOOLCHAIN_HAS_ATOMIC

3
package/capnproto/capnproto.hash Normal file
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# Locally calculated
sha256 85210424c09693d8fe158c1970a2bca37af3a0424f02b263f566a1b8a5451a2d capnproto-v0.6.1.tar.gz
sha256 16194222e9412c3aa14d2287953f7fc89a1dcbcdd266d1534ba35060d4cde5b6 LICENSE

25
package/capnproto/capnproto.mk Normal file
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################################################################################
#
# capnproto
#
################################################################################
CAPNPROTO_VERSION = v0.6.1
CAPNPROTO_SITE = $(call github,capnproto,capnproto,$(CAPNPROTO_VERSION))
CAPNPROTO_LICENSE = MIT
CAPNPROTO_LICENSE_FILES = LICENSE
CAPNPROTO_INSTALL_STAGING = YES
# Fetched from Github with no configure script
CAPNPROTO_AUTORECONF = YES
CAPNPROTO_CONF_OPTS = --with-external-capnp
# Needs the capnproto compiler on the host to generate C++ code from message
# definitions
CAPNPROTO_DEPENDENCIES = host-autoconf host-capnproto
ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
CAPNPROTO_CONF_ENV += LIBS=-latomic
endif
# The actual source to be compiled is within a 'c++' subdirectory
CAPNPROTO_SUBDIR = c++
$(eval $(autotools-package))
$(eval $(host-autotools-package))