Use standard Fedora linker flags

- Resolves rhbz#1548467

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

build_flags.patch

@@ -0,0 +1,51 @@
+diff -Nru zip30/unix/configure unix/configure
+--- zip30/unix/configure	2008-06-20 05:32:20.000000000 +0200
++++ zip30/unix/configure	2018-05-30 12:49:13.023102083 +0200
+@@ -5,7 +5,7 @@
+ # configure: Guess values for system-dependent variables
+ # Output the flag definitions to the file "flags".
+ #
+-# Parameters: $1 = $CC, $2 = $CFLAGS, $3 = $IZ_BZIP2
++# Parameters: $1 = $CC, $2 = $CFLAGS, $3 = $IZ_BZIP2, $4 = $LFLAGS1
+ #
+ # This file is typically called from Makefile rather than executed
+ # from the command line.
+@@ -18,7 +18,7 @@
+ 
+ CC=${1-cc}
+ CFLAGS=${2-"-I. -DUNIX"}
+-LFLAGS1=''
++LFLAGS1=${4-}
+ LFLAGS2=''
+ LN="ln -s"
+ 
+diff -Nru zip30/unix/Makefile unix/Makefile
+--- zip30/unix/Makefile	2018-05-30 12:51:47.329157267 +0200
++++ zip30/unix/Makefile	2018-05-30 12:51:34.102152537 +0200
+@@ -80,7 +80,7 @@
+ .SUFFIXES:
+ .SUFFIXES: _.o .o .c .doc .1
+ .c_.o:
+-	$(CC) -c $(CFLAGS) -DUTIL -o $@ $<
++	$(CC) -c $(CFLAGS) $(LFLAGS1) -DUTIL -o $@ $<
+ 
+ .c.o:
+ 	$(CC) -c $(CFLAGS) $<
+@@ -117,7 +117,7 @@
+ 	$(CC) -c $(CFLAGS) unix/unix.c
+ 
+ unix_.o: unix/unix.c
+-	$(CC) -c $(CFLAGS) -DUTIL -o $@ unix/unix.c
++	$(CC) -c $(CFLAGS) $(LFLAGS1) -DUTIL -o $@ unix/unix.c
+ 
+ ZIPS = zip$E zipcloak$E zipnote$E zipsplit$E
+ 
+@@ -177,7 +177,7 @@
+ 
+ 
+ flags:  unix/configure
+-	sh unix/configure "${CC}" "${CFLAGS_NOOPT}" "${IZ_BZIP2}"
++	sh unix/configure "${CC}" "${CFLAGS_NOOPT}" "${IZ_BZIP2}" "${LFLAGS1}"
+ 
+ # These symbols, when #defined using -D have these effects on compilation:
+ # ZMEM                  - includes C language versions of memset(), memcpy(),

zip.spec

@@ -1,7 +1,7 @@
 Summary: A file compression and packaging utility compatible with PKZIP
 Name: zip
 Version: 3.0
-Release: 22%{?dist}
+Release: 23%{?dist}
 License: BSD
 Group: Applications/Archiving
 Source: http://downloads.sourceforge.net/infozip/zip30.tar.gz
@@ -17,6 +17,7 @@ Patch3: zip-3.0-time.patch
 Patch4: man.patch
 Patch5: zip-3.0-format-security.patch
 Patch6: zipnote.patch
+Patch7: build_flags.patch
 BuildRequires: bzip2-devel, gcc
 Requires: unzip
 
@@ -37,9 +38,10 @@ program.
 %patch4 -p1 -b .man
 %patch5 -p1 -b .format-security
 %patch6 -p1 -b .zipnote
+%patch7 -p1 -b .buildflags
 
 %build
-make -f unix/Makefile prefix=%{_prefix} "CFLAGS_NOOPT=-I. -DUNIX $RPM_OPT_FLAGS" generic_gcc  %{?_smp_mflags}
+make -f unix/Makefile prefix=%{_prefix} "CFLAGS_NOOPT=-I. -DUNIX $RPM_OPT_FLAGS" "LFLAGS1=%{build_ldflags}" generic_gcc  %{?_smp_mflags}
 
 %install
 mkdir -p $RPM_BUILD_ROOT%{_bindir}
@@ -62,6 +64,9 @@ make -f unix/Makefile prefix=$RPM_BUILD_ROOT%{_prefix} \
 %{_mandir}/man1/zipsplit.1*
 
 %changelog
+* Wed May 30 2018 Rafael dos Santos <rdossant@redhat.com> - 3.0-23
+- Use standard Fedora linker flags (rhbz#1548467)
+
 * Thu Mar 01 2018 Jakub Martisko <jamartis@redhat.com> - 3.0-22
 - Add gcc to buildrequires