After experiencing a build bug in x11-wm/i3 that failed on linking, I traced the error to a wrong .pc file. For yajl, the yajl.pc looks like: prefix=/usr libdir=${prefix}/lib32 includedir=${prefix}/include/yajl Name: Yet Another JSON Library Description: A Portable JSON parsing and serialization library in ANSI C Version: 2.0.4 Cflags: -I${includedir} Libs: -L${libdir} -lyajl For my AMD64 setup with ABI_X86="32 64", this is clearly incorrect and causes packages depending on yajl and using its .pc file to fail during linking in unpredictable ways (-L/usr/lib32). I've sort of boiled down the problem. In the install phase, the 32-bit library is installed first and only then is the 64-bit library installed, which does not overwrite the 32-bit yajl.pc: >>> Install yajl-2.0.4-r2 into /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/ category dev-libs * x86: running cmake-multilib_secure_install >>> Working in BUILD_DIR: "/var/tmp/portage/dev-libs/yajl-2.0.4-r2/work/yajl-2.0.4-x86" make -j5 install [ 66%] [ 75%] Built target yajl Built target yajl_s [ 79%] [ 87%] [ 91%] Built target parse_config Built target perftest Built target yajl_test [100%] [100%] Built target json_reformat Built target json_verify Install the project... -- Install configuration: "Gentoo" -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/lib32/libyajl.so.2.0.4 -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/lib32/libyajl.so.2 -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/lib32/libyajl.so -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/lib32/libyajl_s.a -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/include/yajl/yajl_parse.h -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/include/yajl/yajl_gen.h -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/include/yajl/yajl_common.h -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/include/yajl/yajl_tree.h -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/include/yajl/yajl_version.h -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/share/pkgconfig/yajl.pc -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/bin/json_reformat -- Removed runtime path from "/var/tmp/portage/dev-libs/yajl-2.0.4-r2/image//usr/bin/json_reformat" -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/bin/json_verify -- Removed runtime path from "/var/tmp/portage/dev-libs/yajl-2.0.4-r2/image//usr/bin/json_verify" * amd64: running cmake-multilib_secure_install >>> Working in BUILD_DIR: "/var/tmp/portage/dev-libs/yajl-2.0.4-r2/work/yajl-2.0.4-amd64" make -j5 install [ 75%] [ 75%] Built target yajl Built target yajl_s [ 83%] [ 83%] [ 87%] [ 91%] Built target json_verify Built target json_reformat Built target yajl_test Built target parse_config [100%] Built target perftest Install the project... -- Install configuration: "Gentoo" -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/lib64/libyajl.so.2.0.4 -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/lib64/libyajl.so.2 -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/lib64/libyajl.so -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/lib64/libyajl_s.a -- Up-to-date: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/include/yajl/yajl_parse.h -- Up-to-date: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/include/yajl/yajl_gen.h -- Up-to-date: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/include/yajl/yajl_common.h -- Up-to-date: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/include/yajl/yajl_tree.h -- Up-to-date: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/include/yajl/yajl_version.h -- Up-to-date: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/share/pkgconfig/yajl.pc -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/bin/json_reformat -- Removed runtime path from "/var/tmp/portage/dev-libs/yajl-2.0.4-r2/image//usr/bin/json_reformat" -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/bin/json_verify -- Removed runtime path from "/var/tmp/portage/dev-libs/yajl-2.0.4-r2/image//usr/bin/json_verify" >>> Completed installing yajl-2.0.4-r2 into /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/ I guess this entails some fiddling with multibuild.eclass or such. Reproducible: Always Steps to Reproduce: 1. Use ABI_X86="32 64" 2. emerge -v1 dev-libs/yajl Actual Results: Incorrect yajl.pc Expected Results: prefix=/usr libdir=${prefix}/lib64 includedir=${prefix}/include/yajl Name: Yet Another JSON Library Description: A Portable JSON parsing and serialization library in ANSI C Version: 2.0.4 Cflags: -I${includedir} Libs: -L${libdir} -lyajl
Yeah, it shouldn't install yajl.pc to /usr/share/pkgconfig at all because it's an pkg-config file for arch specific library, but to /usr/lib32/pkgconfig and /usr/lib64/pkgconfig
Ok so it's clear that it's the fault of the package for using an incorrect layout. Turns out the issue is pretty easy to fix. Updated ebuild: --- /usr/portage/dev-libs/yajl/yajl-2.0.4-r2.ebuild +++ /usr/portage/dev-libs/yajl/yajl-2.0.4-r2.ebuild @@ -17,6 +17,7 @@ src_prepare() { epatch "${FILESDIR}"/${PN}-fix_static_linking.patch + epatch "${FILESDIR}"/${PN}-pkgconfig_multilib.patch multilib_copy_sources }
Created attachment 355690 [details, diff] yajl-pkgconfig_multilib.patch
With this we get >>> Install yajl-2.0.4-r2 into /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/ category dev-libs * x86: running cmake-multilib_secure_install [...] -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/lib32/pkgconfig/yajl.pc [...] * amd64: running cmake-multilib_secure_install >>> Working in BUILD_DIR: "/var/tmp/portage/dev-libs/yajl-2.0.4-r2/work/yajl-2.0.4-amd64" [...] -- Installing: /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/usr/lib64/pkgconfig/yajl.pc [...] >>> Completed installing yajl-2.0.4-r2 into /var/tmp/portage/dev-libs/yajl-2.0.4-r2/image/
Can we get my patch committed?
Changing install locations is within the scope of packagers, so I don't feel this violates any QA standards. I will fix this in 2 weeks unless there are objections.
Julian, do you think you could fix this?
+*yajl-2.0.4-r3 (16 Jun 2014) + + 16 Jun 2014; Julian Ospald <hasufell@gentoo.org> +yajl-2.0.4-r3.ebuild, + +files/yajl-2.0.4-pkgconfig_multilib.patch: + fix .pc install destination wrt #480598
