Used invoke /r make > out.txt in FreeDOS to redirect errors
Invoking: make
gcc -std=gnu89 -march=i386 -O3 -Wall -Wextra -Werror -Wno-long-long -pedantic -Wformat-security -I \DEVEL\DJGPP\NET\WATT\INC -c -o net.o net.c
In file included from \DEVEL\DJGPP\NET\WATT\INC/sys/socket.h:47,
from net.c:17:
\DEVEL\DJGPP\NET\WATT\INC/sys/w32api.h:67:3: error: C++ style comments are not allowed in ISO C90 [-Werror]
67 | // #error WIN32 defined for Djgpp?
| ^
\DEVEL\DJGPP\NET\WATT\INC/sys/w32api.h:67:3: note: (this will be reported only once per input file)
In file included from \DEVEL\DJGPP\NET\WATT\INC/sys/werrno.h:17,
from \DEVEL\DJGPP\NET\WATT\INC/sys/socket.h:51:
\DEVEL\DJGPP\NET\WATT\INC/sys/cdefs.h:61:4: error: #include_next is a GCC extension [-Werror]
61 | #include_next <sys/cdefs.h>
| ^~~~~~~~~~~~
\DEVEL\DJGPP\NET\WATT\INC/sys/cdefs.h:132:3: error: C++ style comments are not allowed in ISO C90 [-Werror]
132 | //#pragma message ("I am Embarcadero")
| ^
Frankly... not sure it is worth to redo the package... I am not even sure it is worth mentioning.