Well the build died pretty quick, redoing so configures aren't run, doesn't even go 4 minutes.
3:34.32 In file included from W:/USR/local940/include/c++/9.4.0/system_error:39,
3:34.32 from W:/USR/local940/include/c++/9.4.0/bits/ios_base.h:46,
3:34.32 from W:/USR/local940/include/c++/9.4.0/iomanip:40,
3:34.32 from Y:/work/cc45-git/mozilla/mfbt/decimal/moz-decimal-utils.h:20,
3:34.32 from Y:/work/cc45-git/mozilla/mfbt/decimal/Decimal.cpp:32:
3:34.32 W:/usr/local940/include/c++/9.4.0/i686-pc-os2-emx/bits/error_constants.h:151:34: error: 'ENOTRECOVERABLE' was not declared in this scope
3:34.33 151 | state_not_recoverable = ENOTRECOVERABLE,
3:34.33 | ^~~~~~~~~~~~~~~
3:34.91
3:34.94 In the directory Y:/work/cc45-git/obj-sm/mfbt
3:34.94 The following command failed to execute properly:
3:34.98 c++ -o Decimal.obj -c -DIMPL_MFBT -IY:/work/cc45-git/mozilla/mfbt -I. -I../dist/include -IY:/work/cc45-git/obj-sm/dist/include/nspr -IY:/work/cc45-git/obj-sm/dist/include/nss -I/@unixroot/usr/include/pixman-1 -DMOZILLA_CLIENT -include ../mozilla-config.h -Uunix -U__unix -U__unix__ -MD -MP -MF .deps/Decimal.obj.pp -idirafter K:/usr/include/os2tk45 -Wall -Wempty-body -Woverloaded-virtual -Wsign-compare -Wwrite-strings -Wno-invalid-offsetof -Wcast-align -Zomf -fno-exceptions -fno-strict-aliasing -Zomf -flifetime-dse=1 -fno-delete-null-pointer-checks -Wclass-memaccess -fno-rtti -fno-exceptions -fno-math-errno -std=gnu++0x -pthread -DNDEBUG -DTRIMMED -g -march=pentium4 -mtune=generic -O2 -flifetime-dse=1 -fno-delete-null-pointer-checks -Wclass-memaccess -msse2 -fomit-frame-pointer Y:/work/cc45-git/mozilla/mfbt/decimal/Decimal.cpp
3:34.98 make.EXE[4]: *** [Decimal.obj] Error 1
3:34.98 make.EXE[3]: *** [mfbt/target] Error 2
3:34.98 make.EXE[3]: *** Waiting for unfinished jobs....
Earlier build of GCC 9.4.0 in include/c++/9.4.0/i686-pc-os2-emx/bits/c++config.h,
/* Define if ENOTRECOVERABLE exists. */
/* #undef _GLIBCXX_HAVE_ENOTRECOVERABLE */
Whereas this has it defined. I'll try undefining it.
Ok, that seems to have got by that build break. Another hour and a half till it gets to linking xul.dll.
Now I have to do other stuff, truck stopped starting yesterday when I turned the key, have to trouble shoot, is it the wiring, the starter, a relay or what. At least it's a manual so I got home by push starting it