Eray Aslan:
> gcc-10 flipped a default from -fcommon to -fno-common[1] resulting in
> the following errors while building postfix-3.5-20200112. Simple
> reproducer on an older gcc is to add -fno-common to CFLAGS.
Try this.
Wietse
diff -ur /var/tmp/postfix-3.5-20200112/src/global/mail_params.h
./src/global/mail_params.h
--- /var/tmp/postfix-3.5-20200112/src/global/mail_params.h 2019-12-01
09:58:23.000000000 -0500
+++ ./src/global/mail_params.h 2020-01-20 10:36:50.000000000 -0500
@@ -3983,23 +3983,23 @@
#define VAR_TLSP_CLNT_USE_TLS "tlsproxy_client_use_tls"
#define DEF_TLSP_CLNT_USE_TLS "$" VAR_SMTP_USE_TLS
-bool var_tlsp_clnt_use_tls;
+extern bool var_tlsp_clnt_use_tls;
#define VAR_TLSP_CLNT_ENFORCE_TLS "tlsproxy_client_enforce_tls"
#define DEF_TLSP_CLNT_ENFORCE_TLS "$" VAR_SMTP_ENFORCE_TLS
-bool var_tlsp_clnt_enforce_tls;
+extern bool var_tlsp_clnt_enforce_tls;
#define VAR_TLSP_CLNT_LEVEL "tlsproxy_client_level"
#define DEF_TLSP_CLNT_LEVEL "$" VAR_SMTP_TLS_LEVEL
-char *var_tlsp_clnt_level;
+extern char *var_tlsp_clnt_level;
#define VAR_TLSP_CLNT_PER_SITE "tlsproxy_client_per_site"
#define DEF_TLSP_CLNT_PER_SITE "$" VAR_SMTP_TLS_PER_SITE
-char *var_tlsp_clnt_per_site;
+extern char *var_tlsp_clnt_per_site;
#define VAR_TLSP_CLNT_POLICY "tlsproxy_client_policy"
#define DEF_TLSP_CLNT_POLICY "$" VAR_SMTP_TLS_POLICY
-char *var_tlsp_clnt_policy;
+extern char *var_tlsp_clnt_policy;
/*
* SMTPD "reject" contact info.
