changing current directory to .
  '/home/mario/local/chicken-string-copy-bang-fix-2014-06-27/bin/csi' -bnq -setup-mode -e "(require-library setup-api)" -e "(import setup-api)" -e "(setup-error-handling)" -e "(extension-name-and-version '(\"websockets\" \"\"))" -e "(destination-prefix \"/home/mario/src/websockets/salmonella-tmp-5e7a4/repo\")" -e "(runtime-prefix \"/home/mario/src/websockets/salmonella-tmp-5e7a4/repo\")" 'websockets.setup'
  '/home/mario/local/chicken-string-copy-bang-fix-2014-06-27/bin/csc' -feature compiling-extension -setup-mode    -s -O3 -d1 -j websockets websockets.scm
websockets.c: In function ‘stub519’:
websockets.c:120:5: error: ‘for’ loop initial declarations are only allowed in C99 mode
websockets.c:120:5: note: use option -std=c99 or -std=gnu99 to compile your code
websockets.c: In function ‘stub401’:
websockets.c:147:5: error: ‘for’ loop initial declarations are only allowed in C99 mode
websockets.c:154:14: error: redefinition of ‘i’
websockets.c:147:14: note: previous definition of ‘i’ was here
websockets.c:154:5: error: ‘for’ loop initial declarations are only allowed in C99 mode

Error: shell command terminated with non-zero exit status 256: 'gcc' 'websockets.c' -o 'websockets.o' -c  -fno-strict-aliasing -fwrapv -DHAVE_CHICKEN_CONFIG_H -DC_ENABLE_PTABLES -Os -fomit-frame-pointer -fPIC -DPIC -DC_SHARED -I"/home/mario/local/chicken-string-copy-bang-fix-2014-06-27/include/chicken" -I"/home/mario/src/websockets/salmonella-tmp-5e7a4/repo/include/chicken"

Error: shell command failed with nonzero exit status 256:

  '/home/mario/local/chicken-string-copy-bang-fix-2014-06-27/bin/csc' -feature compiling-extension -setup-mode    -s -O3 -d1 -j websockets websockets.scm