[OpenWrt-Devel] protobuf broken in BB (was: Fwd: [PATCH] [packages] protobuf: Bump version, fix build errors.)

Guillaume Déflache guillaume.deflache at ibwag.com
Wed Nov 5 06:37:15 EST 2014

Hi all

[As I am not sure Jacob and Obinou (the package's registered maintainer) 
are the same person (are they?), I am trying to CC to both too...]

We are actually trying migrating from a few-months-old trunk snapshot to 
the official Barrier Breaker release, and on BB protobuf does not work 

A workaround that got protoc to be copied at the right place (and e.g. 
allowed CMake to find it) was to go to the host build directory and to 
do a `make install` from here.
In other words:
	$(MAKE) -C $(HOST_BUILD_DIR) install

AFAICU the problem was introduced in the attached patch by adding 
explicit host macro definitions:

 > @@ -37,7 +37,14 @@ define Package/protobuf/description
 >    of its internal RPC protocols and file formats.
 >   endef
 > -CONFIGURE_ARGS += --with-protoc=$(STAGING_DIR_HOST)/bin/protoc
 > +define Host/Compile
 > +endef
 > +
 > +define Host/Install
 > +endef
 > +
 > +CONFIGURE_ARGS += --with-protoc=$(HOST_BUILD_DIR)/src/protoc
 >   define Build/InstallDev
 >   	$(INSTALL_DIR) \

Did that have to be changed for 2.5.0 (from 2.4.1)? What was the need?

ibw ag software, Aarestrasse 17, CH-5412 Vogelsang, http://www.ibwag.com
Guillaume Déflache, Projektingenieur, Telefon: +41 56 201 07 30

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