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protobuf: fix libdir handling for host build 

On some host machines (example: Gentoo amd64 no-multilib) by default
cmake will install libraries to lib64. But in OpenWrt the correct libdir
is lib (for instance the RPATH is set to lib). So you may end up with
libraries in lib64 while RPATH points to lib:

sk@darth ~/tmp/openwrt $ ldd staging_dir/hostpkg/bin/protoc
	linux-vdso.so.1 (0x00007ffc741ea000)
	libprotoc.so.3.8.0.0 => not found
	libprotobuf.so.3.8.0.0 => not found
	libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f0a8f7ea000)
	libstdc++.so.6 => /usr/lib/gcc/x86_64-pc-linux-gnu/9.2.0/libstdc++.so.6 (0x00007f0a8f572000)
	libm.so.6 => /lib64/libm.so.6 (0x00007f0a8f427000)
	libgcc_s.so.1 => /usr/lib/gcc/x86_64-pc-linux-gnu/9.2.0/libgcc_s.so.1 (0x00007f0a8f40d000)
	libc.so.6 => /lib64/libc.so.6 (0x00007f0a8f23c000)
	/lib64/ld-linux-x86-64.so.2 (0x00007f0a8f827000)
sk@darth ~/tmp/openwrt $

Fix this by specifying the libdir during host builds.

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
This commit is contained in:
Sebastian Kemper 2019-12-14 12:21:32 +01:00
parent 16be1296ed
commit 956b2706f2
1 changed files with 2 additions and 1 deletions
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3
libs/protobuf/Makefile
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@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=protobuf
PKG_VERSION:=3.8.0
PKG_RELEASE:=4
PKG_RELEASE:=5
PKG_SOURCE:=$(PKG_NAME)-cpp-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=https://github.com/google/protobuf/releases/download/v$(PKG_VERSION)
@ -72,6 +72,7 @@ CMAKE_HOST_OPTIONS += \
-Dprotobuf_BUILD_TESTS=OFF \
-DBUILD_SHARED_LIBS=ON \
-DCMAKE_SKIP_RPATH=OFF \
-DCMAKE_INSTALL_LIBDIR=lib \
-DCMAKE_INSTALL_RPATH="${STAGING_DIR_HOSTPKG}/lib"
CMAKE_OPTIONS += \