* Package:    app-text/letterize-1.4:0
 * Repository: gentoo
 * Maintainer: tex@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox

>>> Unpacking source...
>>> Unpacking letterize-1.4.tar.gz to /var/tmp/portage/app-text/letterize-1.4/work
>>> Source unpacked in /var/tmp/portage/app-text/letterize-1.4/work
>>> Preparing source in /var/tmp/portage/app-text/letterize-1.4/work/letterize-1.4 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/app-text/letterize-1.4/work/letterize-1.4 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/app-text/letterize-1.4/work/letterize-1.4 ...
make -j4 
clang -pipe -march=native -fno-diagnostics-color -O2 -D_GLIBCXX_ASSERTIONS -Werror=implicit-function-declaration -Werror=implicit-int  -Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0  letterize.c   -o letterize
letterize.c:227:35: warning: using the result of an assignment as a condition
      without parentheses [-Wparentheses]
        for (s2 = digitrans[c-'2'];  s[i]= *s2++;)
                                     ~~~~^~~~~~~
letterize.c:227:35: note: place parentheses around the assignment to silence
      this warning
        for (s2 = digitrans[c-'2'];  s[i]= *s2++;)
                                         ^
                                     (          )
letterize.c:227:35: note: use '==' to turn this assignment into an equality
      comparison
        for (s2 = digitrans[c-'2'];  s[i]= *s2++;)
                                         ^
                                         ==
letterize.c:235:1: error: type specifier missing, defaults to 'int'; ISO C99 and
      later do not support implicit int [-Werror,-Wimplicit-int]
main(int argc, char **argv)
^
int
1 warning and 1 error generated.
make: *** [<builtin>: letterize] Error 1
 * ERROR: app-text/letterize-1.4::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=app-text/letterize-1.4::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=app-text/letterize-1.4::gentoo'`.
 * The complete build log is located at '/var/log/portage/app-text:letterize-1.4:20220917-142453.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/app-text/letterize-1.4/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/app-text/letterize-1.4/temp/environment'.
 * Working directory: '/var/tmp/portage/app-text/letterize-1.4/work/letterize-1.4'
 * S: '/var/tmp/portage/app-text/letterize-1.4/work/letterize-1.4'