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From Vbit (unverified) Sun May 10 18:21:51 2026 UTC

Error

alya/$ make
cc -Wall -g -c main.c -o main.o
cc -Wall -g -c lexan.c -o lexan.o
cc -Wall -g -c syntan.c -o syntan.o
cc -Wall -g -c refal_fsm.c -o refal_fsm.o
cc -Wall -g -c pmatch.c -o pmatch.o
cc -Wall -g -c builtin.c -o builtin.o
cc -Wall -g -c exp.c -o exp.o
exp.c: In function ‘is_balanced’:
exp.c:78:14: error: expected identifier or ‘*’ before ‘false’
   78 |         goto false;
      |              ^~~~~
exp.c:96:1: warning: statement with no effect [-Wunused-value]
   96 | false:
      | ^~~~~
exp.c:96:6: error: expected ‘;’ before ‘:’ token
   96 | false:
      |      ^
      |      ;
exp.c:106:1: warning: control reaches end of non-void function [-Wreturn-type]
  106 | }
      | ^
make: *** [Makefile:16: exp.o] Error 1
alya/$

To fix the error, I had to force make to use gcc with the -ansi flag (I also added -pedantic just in case), otherwise the standard cc compiler complains about the program text not conforming to some modern standard.

It would be better to set CC to gcc -ansi -pedantic by default in the Makefile rather than relying on the symlink.

From Koshelkov Pjotr Sun May 10 21:15:06 2026 UTC in reply to this comment

Re: Error

Well, with -ansi it complains about ``absence'' of strdup...

However, I added -ansi -pedantic flags, along with -fdiagnostics-color=never -fno-diagnostics-show-caret. It will be released in the next version.

Thanks for your report.