https://sourceware.org/bugzilla/show_bug.cgi?id=21861
Bug ID: 21861
Summary: mingw-w64 binutils built on x86_64-musl segfaults when
compiling zlib.
Product: binutils
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: ntzrmtthihu777 at gmail dot com
Target Milestone: ---
An odd corner case. After setting up a x86_64-w64-mingw32 toolchain
(binutils-2.28, gcc-7.1.0, mingw-w64 5.0.2) on gentoo musl, attempting
to `x86_64-w64-mingw32-emerge sys-libs/zlib` results in a segfault
upon invoking the resource compiler as such:
`x86_64-w64-mingw32-windres --define GCC_WINDRES -o zlibrc.o win32/zlib1.rc`
Testing with the bare compilers ouside of emerge is reproducable.
After asking about it in irc.freenode.net/#musl we narrowed it down
to iconv issues, whereupon user midipix pointed me at the following patch:
http://git.midipix.org/cgit.cgi/ports/chainport/tree/binutils-2.24.51.midipix.patch
Reducing this down to https://bpaste.net/show/089908e214c3 was enough to
fix the issue. Applying this patch on a glibc system's mingw-w64 toolchain
does not affect the compilation, and as this is a windows only tool
it would not affect any non-windows system/compiler toolchain.
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