gcc is /mingw/bin/gcc gcc.exe (MinGW-W64 x86_64-posix-seh, built by Brecht Sanders) 11.2.0
#eduke32> make.exe ekenbuild-editor.exe -j4 OPTLEVEL=g LTO=0 RELEASE=0
Built object obj/kenbuild/buildres.o
Built object obj/kenbuild/build_icon.o
Built object obj/kenbuild/common.o
Built object obj/kenbuild/bstub.o
Built object obj/duke3d/m32common.o
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Built object obj/build/config.o
Built object obj/build/asan_guarded_allocator.o
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Built object obj/build/colmatch.o
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Built object obj/build/compat.o
Built object obj/build/dxtfilter.o
In file included from source/build/include/compat.h:444,
                 from source/build/include/a.h:9,
                 from source/build/src/engine.cpp:11:
source/build/src/engine.cpp: In function 'void calc_sector_reachability()':
source/build/src/engine.cpp:10297:39: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int16_t' {aka 'short int'} [-Wsign-compare]
10297 |             Bassert((unsigned)listidx < numsectors);
      |                     ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
source/build/src/engine.cpp:10297:13: note: in expansion of macro 'Bassert'
10297 |             Bassert((unsigned)listidx < numsectors);
      |             ^~~~~~~
source/build/src/engine.cpp:10298:49: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int16_t' {aka 'short int'} [-Wsign-compare]
10298 |             Bassert((unsigned)sectlist[listidx] < numsectors);
      |                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
source/build/src/engine.cpp:10298:13: note: in expansion of macro 'Bassert'
10298 |             Bassert((unsigned)sectlist[listidx] < numsectors);
      |             ^~~~~~~
Built object obj/build/fix16.o
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Built object obj/build/engine.o
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Built object obj/build/palette.o
Creating obj/build/polymost1Frag.glsl.cpp from source/build/src/polymost1Frag.glsl
Built object obj/build/polymost1Frag.o
Creating obj/build/polymost1Vert.glsl.cpp from source/build/src/polymost1Vert.glsl
Built object obj/build/pngwrite.o
Built object obj/build/osd.o
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Built object obj/build/glsurface.o
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Built object obj/glad/glad.o
c:/progs/mingwtmp/bin/../lib/gcc/x86_64-w64-mingw32/11.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: obj/build/config.o:config.cpp:(.rdata$.refptr.g_useCwd[.refptr.g_useCwd]+0x0): undefined reference to `g_useCwd'
collect2.exe: error: ld returned 1 exit status
Failed linking ekenbuild-editor.exe!
If the build options, environment, or system packages have changed, run 'make clean' and try again.
make: *** [GNUmakefile:903: ekenbuild-editor.exe] Error 1