Package: gcc-6 Version: 6.2.0-11 Severity: normal I'm working on a project that uses a Linaro gcc 4.8.3 cross compiler for ARM, which I'm building on my Debian desktop.
As of gcc-6 6.2.0-6, this worked fine. As of gcc-6 6.2.0-10, a subtly bad cross-compiler seems to be generated. My build is failing in an area related to precompiled headers: cc1: warning: /path/to/foo.h.gch: had text segment at different address [enabled by default] cc1: error: one or more PCH files were found, but they were invalid cc1: fatal error: /path/to/foo.h: No such file or directory I confirmed that if I downgrade all the binary packages I have installed from the gcc-6 source to 6.2.0-6 and rebuild, things work again. Scanning the changelogs, I came upon the idea that the default enabling of -fPIE/-pie in 6.2.0-7 might have something to do with this, so I switched to that version and tried again, and it failed, so at the very least the problem is something that came in between the -6 and -7 releases. Rebuilding the cross-toolchain with -fno-PIE -no-pie produced linker errors complaining that it needed -fPIC, and rebuilding with -fno-PIE -no-pie -fPIC produced the same errors, so I don't know what to do now :( -- System Information: Debian Release: stretch/sid APT prefers testing APT policy: (990, 'testing'), (500, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.7.0-1-amd64 (SMP w/8 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages gcc-6 depends on: ii binutils 2.27.51.20161102-1 ii cpp-6 6.2.0-6 ii gcc-6-base 6.2.0-6 ii libc6 2.24-5 ii libcc1-0 6.2.0-6 ii libgcc-6-dev 6.2.0-6 ii libgcc1 1:6.2.0-6 ii libgmp10 2:6.1.1+dfsg-1 ii libisl15 0.17.1-1 ii libmpc3 1.0.3-1 ii libmpfr4 3.1.5-1 ii libstdc++6 6.2.0-6 ii zlib1g 1:1.2.8.dfsg-2+b3 Versions of packages gcc-6 recommends: ii libc6-dev 2.24-5 Versions of packages gcc-6 suggests: ii gcc-6-doc 6.1.0-1 pn gcc-6-locales <none> pn gcc-6-multilib <none> pn libasan3-dbg <none> pn libatomic1-dbg <none> pn libcilkrts5-dbg <none> pn libgcc1-dbg <none> pn libgomp1-dbg <none> pn libitm1-dbg <none> pn liblsan0-dbg <none> pn libmpx2-dbg <none> pn libquadmath0-dbg <none> pn libtsan0-dbg <none> pn libubsan0-dbg <none> -- no debconf information
