https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81797
--- Comment #13 from Jack Howarth <howarth.at.gcc at gmail dot com> --- The following hack allows gcc 7.2.0 to complete the 3 stage bootstrap of the c,c++,fortran,lto,objc,obj-c++ language set under High Sierra on an APFS volume... diff -uNr gcc-7.2.0.orig/libstdc++-v3/include/Makefile.in gcc-7.2.0/libstdc++-v3/include/Makefile.in --- gcc-7.2.0.orig/libstdc++-v3/include/Makefile.in 2017-07-25 14:05:07.000000000 -0400 +++ gcc-7.2.0/libstdc++-v3/include/Makefile.in 2017-09-02 12:22:08.000000000 -0400 @@ -1764,6 +1764,8 @@ @GLIBCXX_HOSTED_TRUE@install-data-local: install-headers @GLIBCXX_HOSTED_FALSE@install-data-local: install-freestanding-headers +.NOTPARALLEL: install-headers + # This is a subset of the full install-headers rule. We only need <ciso646>, # <cstddef>, <cfloat>, <limits>, <climits>, <cstdint>, <cstdlib>, <new>, # <typeinfo>, <exception>, <initializer_list>, <cstdalign>, <cstdarg>,
