Fixed FTBFS with gcc-10

Resolves: rhbz#1800262

wsjtx-2.1.2-gcc-10-fix.patch

@@ -0,0 +1,13 @@
+diff --git a/wsjtx/CMakeLists.txt b/wsjtx/CMakeLists.txt
+index dcc2b59..6bcb569 100644
+--- a/wsjtx/CMakeLists.txt
++++ b/wsjtx/CMakeLists.txt
+@@ -949,7 +949,7 @@ endif ()
+ #
+ # Fortran setup
+ #
+-set (General_FFLAGS "-Wall -Wno-conversion -fno-second-underscore")
++set (General_FFLAGS "-Wall -Wno-conversion -fno-second-underscore -fallow-argument-mismatch")
+ 
+ # FFLAGS depend on the compiler
+ get_filename_component (Fortran_COMPILER_NAME ${CMAKE_Fortran_COMPILER} NAME)

wsjtx.spec

@@ -2,7 +2,7 @@
 
 Name:           wsjtx
 Version:	2.1.2
-Release:	2%{?dist}
+Release:	3%{?dist}
 Summary:	Weak Signal communication by K1JT
 License:	GPLv3+
 
@@ -10,6 +10,7 @@ URL:		http://physics.princeton.edu/pulsar/k1jt/wsjtx.html
 Source0:	http://physics.princeton.edu/pulsar/k1jt/%{name}-%{version}%{?rctag:-%{rctag}}.tgz
 
 Patch0:		wsjtx-2.0.0-compile-fix.patch
+Patch1:		wsjtx-2.1.2-gcc-10-fix.patch
 
 BuildRequires:	dos2unix, tar, cmake, gcc-c++, gcc-gfortran
 BuildRequires:  qt5-qtbase-devel
@@ -33,6 +34,7 @@ from the Moon.
 rm -f src/hamlib.tgz*
 tar -xzf src/%{name}.tgz
 %patch0 -p1
+%patch1 -p1
 
 # remove archive
 rm -f src/wsjtx.tgz*
@@ -48,7 +50,8 @@ rm -rf boost
 dos2unix *.ui *.iss *.rc *.txt
 
 %build
-export CFLAGS="%{optflags}"
+# Workaround for build with gcc-10, problem reported upstream
+export CFLAGS="%{optflags} -fcommon"
 export LDFLAGS="%{?__global_ldflags}"
 # workaround for hamlib check, i.e. for hamlib_LIBRARY_DIRS not to be empty
 export PKG_CONFIG_ALLOW_SYSTEM_LIBS=1
@@ -107,6 +110,10 @@ install -p -m 0644 -t %{buildroot}%{_datadir}/doc/%{name} GUIcontrols.txt jt9.tx
 %{_datadir}/%{name}
 
 %changelog
+* Mon Feb 10 2020 Jaroslav Škarvada <jskarvad@redhat.com> - 2.1.2-3
+- Fixed FTBFS with gcc-10
+  Resolves: rhbz#1800262
+
 * Fri Jan 31 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.1.2-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild