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poco: add patch to fix musl build

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Add patch from upstream commit 30159aea4b3f6421da9d74a8bf22aad6d3bf26b4 to fix
musl build issue:

src/Error.cpp: In static member function 'static std::string Poco::Error::getMessage(int)':
src/Error.cpp:71:55: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
   return std::string(strerror_r(errorCode, errmsg, 256));

There are 2 flavors of `strerror_r`, a GNU which returns a string and a POSIX
version which returns an int.

When the POSIX and GNU API collides musl always provides the POSIX API. That
being the case for `strerror_r` musl does only support the POSIX version,
despite of `_GNU_SOURCE`.

Only use the GNU version for glibc or uClibc.

Fixes:
http://autobuild.buildroot.net/results/cc3/cc392a6e294b9eed697b205329f8146a28e423e2/
http://autobuild.buildroot.net/results/693/693ef640a95702b20eb4e811936510e0a58cdfdd/
http://autobuild.buildroot.net/results/7f0/7f0966ee57aea574fda2157562e9c3202bd3819d/
http://autobuild.buildroot.net/results/7c0/7c02072a885a874e8b640905ef21929e6e143aae/

Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Jörg Krause 2016-04-05 22:40:27 +02:00 committed by Thomas Petazzoni
parent add7c433d2
commit a1cf3b7942
2 changed files with 2 additions and 0 deletions
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package/poco/poco.hash
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@ -1,2 +1,3 @@
# Locally computed
sha256 cfd311ecbc9e58accf1c4ea70170af88f92f88e73dd14944e528e7f6229e6cab poco-poco-1.7.2-release.tar.gz
sha256 32182791e7eac00ba367d2f22dd1dd5bfce0b6d6f76fd52f853364f98402dda3 30159aea4b3f6421da9d74a8bf22aad6d3bf26b4.patch

1
package/poco/poco.mk
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@ -9,6 +9,7 @@ POCO_SITE = $(call github,pocoproject,poco,$(POCO_VERSION))
POCO_LICENSE = Boost-v1.0
POCO_LICENSE_FILES = LICENSE
POCO_INSTALL_STAGING = YES
POCO_PATCH = https://github.com/pocoproject/poco/commit/30159aea4b3f6421da9d74a8bf22aad6d3bf26b4.patch
POCO_DEPENDENCIES = zlib pcre \
$(if $(BR2_PACKAGE_POCO_XML),expat) \