https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78077
Bug ID: 78077
Summary: gcc 6.2.0 fails to link temacs from emacs-25.1 using
the Xcode 8 linker
Product: gcc
Version: 6.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: howarth.at.gcc at gmail dot com
Target Milestone: ---
The gcc 6.2.0 release fails to link temacs in the build of emacs-25.1 on
x86_64-apple-darwin15 using the Xcode 8 linker. Configuring a build as...
../configure --without-ns CC=/sw/bin/gcc-fsf-6 CXX=/sw/bin/g++-fsf-6
CPPFLAGS="-I/sw/include" LDFLAGS="-L/sw/lib"
results in a build that fails at...
CCLD temacs
0 0x1097875cc __assert_rtn + 144
1 0x10979a9df
mach_o::relocatable::Parser<x86_64>::parse(mach_o::relocatable::ParserOptions
const&) + 3195
2 0x109792536 mach_o::relocatable::Parser<x86_64>::parse(unsigned char
const*, unsigned long long, char const*, long, ld::File::Ordinal,
mach_o::relocatable::ParserOptions const&) + 342
3 0x1097d3bac ld::tool::InputFiles::makeFile(Options::FileInfo const&, bool)
+ 824
4 0x1097d640b ld::tool::InputFiles::parseWorkerThread() + 495
5 0x7fff99bde99d _pthread_body + 131
6 0x7fff99bde91a _pthread_body + 0
A linker snapshot was created at:
/tmp/temacs-2016-09-22-161008.ld-snapshot
ld: Assertion failed: (cfiStartsArray[i] != cfiStartsArray[i-1]), function
parse, file
/Library/Caches/com.apple.xbs/Sources/ld64/ld64-274.1/src/ld/parsers/macho_relocatable_file.cpp,
line 1893.
collect2: error: ld returned 1 exit status
