Merged update from upstream sources

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Source: https://src.fedoraproject.org/rpms/frr.git#810b00e1fe9f07bcc192ade1b0af71c1174d0c7f

0005-icc-options.patch

@@ -0,0 +1,52 @@
+From 4e90d19ea3de6b8938d097d84f6df3fcf6eb0422 Mon Sep 17 00:00:00 2001
+From: Mark Stapp <mjs@voltanet.io>
+Date: Mon, 15 Feb 2021 13:59:02 -0500
+Subject: [PATCH] build: detect ICC, only try ICC options if ICC
+
+Some ICC command-line options can cause confusion for other
+compilers; test for ICC specifically, and only try to use those
+options if ICC is being used.
+
+Signed-off-by: Mark Stapp <mjs@voltanet.io>
+---
+ configure.ac | 13 +++++++++++--
+ 1 file changed, 11 insertions(+), 2 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 266f37a1129..f3d1f38986a 100755
+--- a/configure.ac
++++ b/configure.ac
+@@ -191,6 +191,11 @@ CXXFLAGS="$orig_cxxflags"
+ AC_PROG_CC_C99
+ dnl NB: see C11 below
+ 
++dnl Some special handling for ICC later on
++if test "$CC" = "icc"; then
++    cc_is_icc="yes"
++fi
++
+ PKG_PROG_PKG_CONFIG
+ 
+ dnl it's 2019, sed is sed.
+@@ -252,7 +257,9 @@ AC_DEFUN([AC_LINK_IFELSE_FLAGS], [{
+ 
+ dnl ICC won't bail on unknown options without -diag-error 10006
+ dnl need to do this first so we get useful results for the other options
+-AC_C_FLAG([-diag-error 10006])
++if test "$cc_is_icc" = "yes"; then
++    AC_C_FLAG([-diag-error 10006])
++fi
+ 
+ dnl AC_PROG_CC_C99 may change CC to include -std=gnu99 or something
+ ac_cc="$CC"
+@@ -335,7 +342,9 @@ AC_SUBST([CXX_COMPAT_CFLAGS])
+ dnl ICC emits a broken warning for const char *x = a ? "b" : "c";
+ dnl for some reason the string consts get 'promoted' to char *,
+ dnl triggering a const to non-const conversion warning.
+-AC_C_FLAG([-diag-disable 3179])
++if test "$cc_is_icc" = "yes"; then
++    AC_C_FLAG([-diag-disable 3179])
++fi
+ 
+ if test "$enable_werror" = "yes" ; then
+   WERROR="-Werror"

frr.spec

@@ -6,7 +6,7 @@
 
 Name: frr
 Version: 7.5
-Release: 1%{?checkout}%{?dist}
+Release: 3%{?checkout}%{?dist}
 Summary: Routing daemon
 License: GPLv2+
 URL: http://www.frrouting.org
@@ -35,6 +35,7 @@ Patch0001: 0001-use-python3.patch
 Patch0002: 0002-enable-openssl.patch
 Patch0003: 0003-disable-eigrp-crypto.patch
 Patch0004: 0004-fips-mode.patch
+Patch0005: 0005-icc-options.patch
 
 %description
 FRRouting is free software that manages TCP/IP based routing protocols. It takes
@@ -182,6 +183,12 @@ make check PYTHON=%{__python3}
 %{_tmpfilesdir}/%{name}.conf
 
 %changelog
+* Tue Feb 16 2021 Michal Ruprich <mruprich@redhat.com> - 7.5-3
+- Fixing FTBS - icc options are confusing the new gcc
+
+* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 7.5-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Fri Jan 01 2021 Michal Ruprich <mruprich@redhat.com> - 7.5-1
 - New version 7.5