I do get : -DHAVE_UNISTD_H=1 -DRETSIGTYPE=void -DHAVE_VPRINTF=1 -DHAVE_GETHOSTNAME=1 -DHAVE_SOCKET=1 -DHAVE_STRDUP=1 -DHAVE_STRNDUP=1 -DHAVE_STRSTR=1 -DREWRITE_DOMAIN=1 -DHAVE_SSL=1 -DINET6=1 -DMD5AUTH=1 -DSSMTPCONFDIR=\"/etc/ssmtp\" -DCONFIGURATION_FILE=\"/etc/ssmtp/ssmtp.conf\" -DREVALIASES_FILE=\"/etc/ssmtp/revaliases\" -DALIASES_FILE=\"/etc/mail/aliases\" -O2 -pipe -march=native -fno-diagnostics-color -c -o md5auth/md5c.o md5auth/md5c.c md5auth/md5c.c:100:6: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype] void MD5Init (context) ^ In file included from md5auth/md5c.c:28: md5auth/md5.h:35:6: warning: a function declaration without a prototype is deprecated in all versions of C and is treated as a zero-parameter prototype in C2x, conflicting with a subsequent definition [-Wdeprecated-non-prototype] void MD5Init PROTO_LIST ((MD5_CTX *)); ^ ... and ssmtp.c:65:7: error: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'char' [-Wint-conversion] char *auth_method = (char)NULL; /* Mechanism for SMTP authentication */ ... ^ ~~~~~~~~~~ 17-1-clang-20230812-095248 /var/tmp/tb # emerge -qpvO mail-mta/ssmtp [ebuild N ] mail-mta/ssmtp-2.64_p11-r1 USE="mta ssl -gnutls" 17-1-clang-20230812-095248 /var/tmp/tb # emerge -o --info mail-mta/ssmtp Portage 3.0.50 (python 3.11.4-final-0, default/linux/amd64/17.1/clang, gcc-12, glibc-2.37-r3, 6.4.10 x86_64) ================================================================= System Settings ================================================================= System uname: Linux-6.4.10-x86_64-AMD_Ryzen_9_5950X_16-Core_Processor-with-glibc2.37 KiB Mem: 131830724 total, 6609536 free KiB Swap: 268435448 total, 268314104 free Timestamp of repository gentoo: Sat, 12 Aug 2023 09:46:33 +0000 Head commit of repository gentoo: e1f8ba124572d66f4cdb45c24c05262eb2ee170c sh bash 5.1_p16-r6 ld GNU ld (Gentoo 2.40 p5) 2.40.0 app-misc/pax-utils: 1.3.5::gentoo app-shells/bash: 5.1_p16-r6::gentoo dev-lang/perl: 5.36.1-r2::gentoo dev-lang/python: 3.11.4::gentoo dev-util/cmake: 3.26.4-r1::gentoo dev-util/meson: 1.1.1::gentoo sys-apps/baselayout: 2.13-r1::gentoo sys-apps/openrc: 0.46::gentoo sys-apps/sandbox: 2.32::gentoo sys-devel/autoconf: 2.71-r6::gentoo sys-devel/automake: 1.16.5::gentoo sys-devel/binutils: 2.40-r5::gentoo sys-devel/binutils-config: 5.5::gentoo sys-devel/clang: 16.0.5::gentoo sys-devel/gcc: 12.3.1_p20230526::gentoo sys-devel/gcc-config: 2.11::gentoo sys-devel/libtool: 2.4.7-r1::gentoo sys-devel/lld: 16.0.5::gentoo sys-devel/llvm: 16.0.5::gentoo sys-devel/make: 4.4.1-r1::gentoo sys-kernel/linux-headers: 6.1::gentoo (virtual/os-headers) sys-libs/glibc: 2.37-r3::gentoo Repositories: gentoo location: /var/db/repos/gentoo sync-type: git sync-uri: https://github.com/gentoo-mirror/gentoo.git priority: -1000 volatile: False ABI="amd64" ABI_X86="64" ...
*** This bug has been marked as a duplicate of bug 879873 ***