Use Fedora standard linker flags

- Resolves #1548657

Signed-off-by: Rafael Santos <rdossant@redhat.com>

libgdither-0.6-ldflags.patch

@@ -0,0 +1,11 @@
+--- libgdither-0.6/Makefile	2018-04-10 18:23:46.000822954 +0200
++++ libgdither-0.6/Makefile	2018-04-10 18:25:25.783013273 +0200
+@@ -10,7 +10,7 @@
+ 	$(CC) $(CFLAGS) -c gdither.c
+ 
+ libgdither.so: gdither.o
+-	$(CC) -shared gdither.o -Wl,-soname,libgdither.so.1 -o libgdither.so.1.0
++	$(CC) $(LDFLAGS) -shared gdither.o -Wl,-soname,libgdither.so.1 -o libgdither.so.1.0
+ 
+ libgdither.pc: libgdither.pc.in Makefile
+ 	sed -e 's|@VERSION@|$(VERSION)|' -e 's|@PREFIX@|$(PREFIX)|' \

libgdither.spec

@@ -1,6 +1,6 @@
 Name:           libgdither
 Version:        0.6
-Release:        15%{?dist}
+Release:        16%{?dist}
 Summary:        Library for applying dithering to PCM audio sources
 
 Group:          System Environment/Libraries
@@ -9,6 +9,7 @@ URL:            http://plugin.org.uk/libgdither/README
 Source0:        http://plugin.org.uk/libgdither/libgdither-%{version}.tar.gz
 Patch0:         libgdither-0.6-default.patch
 Patch1:         libgdither-0.6-gavl.patch
+Patch2:         libgdither-0.6-ldflags.patch
 
 BuildRequires:  fftw-devel >= 3.0.0
     
@@ -35,10 +36,12 @@ developing applications that use %{name}.
 %setup -q
 %patch0 -p1 -b .default
 %patch1 -p1 -b .gavl_fix
+%patch2 -p1 -b .ldflags
 
 
 %build
 export INIT_CFLAGS="${RPM_OPT_FLAGS}"
+export LDFLAGS="%{build_ldflags}"
 make %{?_smp_mflags}
 
 
@@ -73,6 +76,9 @@ make test CFLAGS="${RPM_OPT_FLAGS} -Werror --std=c99 -I%{_builddir}/%{?buildsubd
 %{_libdir}/pkgconfig/libgdither.pc
 
 %changelog
+* Tue Apr 10 2018 Rafael Santos <rdossant@redhat.com> - 0.6-16
+- Use Fedora standard linker flags (bug #1548657)
+
 * Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.6-15
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild