Building on cygwin 64: undefined reference to `WinMain'

[Brandon Barker]

This is after a fresh rebuilt of ATS1 and ATS2:

cp -f src/patsopt bin/patsopt

make -C utils/atscc -f Makefile all

make[1]: Entering directory '/home/brand_000/ATS-Postiats/utils/atscc'

\

  gcc -I"/home/brand_000/ATS-Postiats" -I"/home/brand_000/ATS-Postiats"/ccomp/runtime -std=c99 -D_XOPEN_SOURCE -DATS_MEMALLOC_LIBC -O2 -o patscc patscc_dats.c atscc_main_dats.c atscc_print_dats.c

/usr/lib/gcc/x86_64-pc-cygwin/4.8.3/../../../../lib/libcygwin.a(libcmain.o): In function `main':

/usr/src/debug/cygwin-1.7.32-1/winsup/cygwin/lib/libcmain.c:39: undefined reference to `WinMain'

/usr/src/debug/cygwin-1.7.32-1/winsup/cygwin/lib/libcmain.c:39:(.text.startup+0x7e): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `WinMain'

collect2: error: ld returned 1 exit status

Makefile:29: recipe for target 'patscc' failed

make[1]: *** [patscc] Error 1

make[1]: Leaving directory '/home/brand_000/ATS-Postiats/utils/atscc'

Makefile_devl:39: recipe for target 'src_patscc' failed

make: *** [src_patscc] Error 2

My only clue so far is that none of the *.c files being compiled seem to include a main entry point, and this may be confusing cygwin's linker.

[Hongwei Xi]

patscc.dats contains an implementation of 'main'.
I suspect that patscc_dats.c was not properly generated (which might be empty).

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[Brandon Barker]

Sorry for the delayed reply; I started looking at it again and you are correct. In fact, the file I had peaked at previously (atscc_main_dats.c ) was the only one that had any code in it. The others (  atscc_print_dats.c,  patscc_dats.c ) are empty.

[Brandon Barker]

In /home/brand_000/ATS-Postiats/utils/atscc, doing:

rm *.c
make

fixed the problem.

[Brandon Barker]

I'm actually getting this behavior on Linux as well. I'll look in to it a bit more and submit an issue on github.